CN105983320A - Water replenishing device of quench tower - Google Patents
Water replenishing device of quench tower Download PDFInfo
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- CN105983320A CN105983320A CN201510052361.5A CN201510052361A CN105983320A CN 105983320 A CN105983320 A CN 105983320A CN 201510052361 A CN201510052361 A CN 201510052361A CN 105983320 A CN105983320 A CN 105983320A
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Abstract
The invention relates to a water replenishing device of a quench tower. The water replenishing device is mainly used for solving the problems in the prior art that water replenishing for the quench tower of an ammonia oxidation reaction device is unstable, the flow fluctuation is high, thus the operation of a quenching system is unstable, the pH value of a neutralizing solution is unstable, the ammonia neutralization effect is poor, and the fluctuation of liquid level of a tower reactor is high. According to the water replenishing device and method of the quench tower, by adopting the technical scheme that the water replenishing device comprises a replenishing water inlet, a replenishing water buffer tank, a replenishing water outlet, a replenishing water pump, a replenishing water pump inlet, a replenishing water pump outlet and a quench tower replenishing water inlet, replenishing water firstly enters the replenishing water buffer tank, and the water in the replenishing water buffer tank is added into the quench tower by the replenishing water pump, the problems are better solved, and thus the water replenishing device can be applied to an ammonia oxidation reaction production device.
Description
Technical field
The present invention relates to the water replanishing device of a kind of chilling tower.
Background technology
Produce in acrylonitrile installation in ammoxidation of propylene reaction, device has multiply aqueous solution and waste water supplementing as chilling tower
Water, flow and the component of each stock material are the most different, are directly added in chilling tower.Supplementing of chilling tower water will be due to each stock material
Operation operating mode, flow, temperature and liquid level change and fluctuate, thus cause chilling tower to supplement flow and the temperature of water
Changing greatly, the fluctuation supplementing water can cause chilling tower pH value unstable, and the neutralization of ammonia is bad, and chilling tower tower reactor
Level fluctuation, affects the normal operating of chilling tower.Therefore, stablize chilling tower and supplement coolant-temperature gage and flow, for chilling tower and
The even running of whole device is of great significance.
Document US3885928 describes recovery and the refining system of a kind of alkene nitrile, and wherein the purpose of emergency cooling process is on the one hand will
Reactor effluent is cooled to uniform temperature, is on the other hand the polymerization that in reactor effluent, unreacted ammonia and reaction generate
Thing and heavy impurity.Technical scheme employed in the document is to use water and sulphuric acid as chilling liquid, aqueous, sour, polymer
Discharge from chilling system with the bottoms of other impurity.In these bottoms, liquid containing ammonium sulfate, heavy impurity, a small amount of lightweight have
Machine thing and water.Owing to ammonia conversion ratio is uncontrolled, make in reacting gas containing unreacted ammonia, unreacted ammonia and acrylonitrile
React, reduce the refined recovery rate of acrylonitrile.Unreacted ammonia must be removed quickly, up hill and dale.
Summary of the invention
One of the technical problem to be solved, is to mend chilling tower in ammoxidation reaction device present in prior art
Water device is unreasonable, and chilling tower amount of makeup water is unstable, causes chilling system fluctuation of service, and neutralizer pH value is unstable,
Ammonia neutralization is bad, the problem that tower reactor level fluctuation is big, it is provided that the water replanishing device of a kind of new chilling tower.This chilling tower
It is stable that water replanishing device has makeup water stream amount, and the fluctuation of neutralizer pH value is little, tower reactor level stability, and the operation of chilling tower controls flat
Steady advantage.
The two of the technical problem to be solved, are to mend chilling tower in ammoxidation reaction device present in prior art
Water method is unreasonable, and chilling tower amount of makeup water is unstable, causes chilling system fluctuation of service, and neutralizer pH value is unstable,
Ammonia neutralization is bad, the problem that tower reactor level fluctuation is big, it is provided that the method for supplementing water of a kind of new chilling tower.This chilling tower
It is stable that method for supplementing water has makeup water stream amount, and the fluctuation of neutralizer pH value is little, tower reactor level stability, and the operation of chilling tower controls flat
Steady advantage.
The three of the technical problem to be solved, are to fast cooling device in ammoxidation reaction device present in prior art
Middle chilling tower water replanishing device is unreasonable, and chilling tower amount of makeup water is unstable, causes chilling system fluctuation of service, neutralizer pH
Value instability, ammonia neutralization is bad, the problem that tower reactor level fluctuation is big, it is provided that a kind of new fast cooling device, fast cooling device
Including water replanishing device, it is stable that this water replanishing device has makeup water stream amount, and the fluctuation of neutralizer pH value is little, tower reactor level stability,
The operation of chilling tower controls stable advantage.
For solving one of above-mentioned technical problem, the technical solution used in the present invention is as follows: the water replanishing device of a kind of chilling tower, bag
Include supplementary water inlet, supplement water surge tank, supplement water out, make-up pump, make-up pump entrance, make-up pump outlet,
Chilling tower supplements water inlet, supplements water inlet and is connected with supplementary water surge tank with supplementary water out, supplements water out and supplements
Pump entrance is connected, and make-up pump outlet supplements water inlet with chilling tower and is connected.
In technique scheme, preferred technical scheme is, described chilling tower supplement water include from four-effect evaporator lime set,
Four-effect evaporator residual liquid, desalted water, finished product tower bottoms, decyanation tower water layer, recovery tower top water layer, acetonitrile tower bottoms, device
At least one in sewage, preferably scope include in four-effect evaporator lime set, four-effect evaporator residual liquid, desalted water extremely
Few one, more preferably scope includes from least one in four-effect evaporator lime set, four-effect evaporator residual liquid.
In technique scheme, preferred technical scheme is, chilling tower add acid include sulphuric acid, phosphoric acid, acetic acid, oxalic acid,
At least one in acrylic acid, formic acid, carbonic acid, preferably scope include at least one in sulphuric acid, phosphoric acid, acetic acid, oxalic acid；
Chilling tower neutralizer arranges pH detecting system；Chilling tower neutralizer pH controlling value is 3-6.5；Preferably scope is 3-5, more
Preferably scope is 3.5-4.5.
In technique scheme, preferred technical scheme is, chilling tower supplement water inlet be included in the top of chilling tower, middle part,
At least one in Di Bu；Effusion meter, regulation valve are set on make-up pump outlet line；Surge tank arranges liquidometer.
In technique scheme, preferred technical scheme is, chilling tower arranges the multilamellar being made up of shower nozzle by geometry arrangement
Spraying layer, reaction gas inlet is arranged on spraying layer bottom, and reaction gas inlet arranges gas distributor, sets above spraying layer
Putting demister, chilling tower supplements water inlet on demister plate top.
In technique scheme, preferred technical scheme is, the spraying layer that chilling tower is arranged is 1～8 layer；Every layer of shower nozzle
Arrangement density is 1～4 shower nozzle/m2；The geometry of every layer of water-spraying fabric include square, rectangle, equilateral triangle,
At least one in concentric circular annular；Described shower nozzle includes in hollow cone, solid-cone, screw type, air atomizing shower nozzle
At least one；Gas distributor pattern includes in semicircle cast, pipe distributor, dendroid porous type, biserial vane type
One, demister includes at least one in board-like demister, wire mesh demister, bubble cap tray, sieve plate, filler.
In technique scheme, preferred technical scheme is, the geometry of every layer of water-spraying fabric include square, rectangle,
In equilateral triangle, concentric circular annular at least two kinds；Described shower nozzle includes hollow cone, solid-cone, screw type, air mist
Changing at least two kinds in shower nozzle, demister includes in board-like demister, wire mesh demister, bubble cap tray, sieve plate, filler extremely
Few two kinds.
In technique scheme, preferred technical scheme is, is provided above demister at spraying layer, and demister is board-like foam removal
At least one in device, wire mesh demister, bubble cap tray, sieve plate, filler；Demister is the number of theoretical plate of bubble cap tray, sieve plate
Preferred scope be 1～5 piece, more preferably scope is 1～2 piece；Demister be the preferred scope of the number of theoretical plate of filler be 1～5
Block, more preferably scope are 1～2 piece.
For solving the two of above-mentioned technical problem, the technical solution used in the present invention is as follows: the method for supplementing water of a kind of chilling tower,
Using the water replanishing device of any one chilling tower described above, the method for supplementing water of chilling tower includes following step:
A) chilling tower supplements water and is charged first to supplementary water surge tank from supplementary water inlet；
B) by make-up pump, the supplementary water in supplementary water surge tank is joined in chilling tower
In technique scheme, preferred technical scheme is, described chilling tower supplement water include from four-effect evaporator lime set,
Four-effect evaporator residual liquid, desalted water, finished product tower bottoms, decyanation tower water layer, recovery tower top water layer, acetonitrile tower bottoms, device
At least one in sewage, preferably scope include in four-effect evaporator lime set, four-effect evaporator residual liquid, desalted water extremely
Few one, more preferably scope includes from least one in four-effect evaporator lime set, four-effect evaporator residual liquid.
In technique scheme, preferred technical scheme is, chilling tower add acid include sulphuric acid, phosphoric acid, acetic acid, oxalic acid,
At least one in acrylic acid, formic acid, carbonic acid, preferably scope include at least one in sulphuric acid, phosphoric acid, acetic acid, oxalic acid；
Chilling tower neutralizer arranges pH detecting system；Chilling tower neutralizer pH controlling value is 3-6.5；Preferably scope is 3-5, more
Preferably scope is 3.5-4.5.
In technique scheme, preferred technical scheme is, chilling tower sulfur ammonium weight concentration is at 12-22%, and preferably scope is
15-20%.
In technique scheme, preferred technical scheme is, chilling tower arranges the multilamellar being made up of shower nozzle by geometry arrangement
Spraying layer, reaction gas inlet is arranged on spraying layer bottom, and reaction gas inlet arranges gas distributor, sets above spraying layer
Putting demister, chilling tower supplements water inlet on demister plate top.
In technique scheme, preferred technical scheme is, the spraying layer that chilling tower is arranged is 1～8 layer；Every layer of shower nozzle
Arrangement density is 1～4 shower nozzle/m2；The geometry of every layer of water-spraying fabric include square, rectangle, equilateral triangle,
At least one in concentric circular annular；Described shower nozzle includes in hollow cone, solid-cone, screw type, air atomizing shower nozzle
At least one；Gas distributor pattern includes in semicircle cast, pipe distributor, dendroid porous type, biserial vane type
One, demister includes at least one in board-like demister, wire mesh demister, bubble cap tray, sieve plate, filler.
In technique scheme, preferred technical scheme is, is provided above demister at spraying layer, and demister is board-like foam removal
At least one in device, wire mesh demister, bubble cap tray, sieve plate, filler；Demister is the number of theoretical plate of bubble cap tray, sieve plate
Preferred scope be 1～5 piece, more preferably scope is 1～2 piece；Demister be the preferred scope of the number of theoretical plate of filler be 1～5
Block, more preferably scope are 1～2 piece.
For solving one of above-mentioned technical problem, the technical solution used in the present invention is as follows: a kind of fast cooling device, including chilling tower
Water replanishing device and chilling tower, the water replanishing device of chilling tower, including chilling tower supplement water inlet, supplement water surge tank, chilling
Tower supplements water out, make-up pump, make-up pump entrance, make-up pump outlet；Supplement water inlet and supplementary water out and benefit
Water-filling surge tank is connected, and supplements water out and is connected with make-up pump entrance, and make-up pump outlet supplements water with chilling tower and enters
Mouth is connected.
Due to the water replanishing device of the chilling tower of the present invention, the water replanishing device of chilling tower include supplement water inlet, supplement water surge tank,
Supplement water out, make-up pump, make-up pump entrance, make-up pump exports, chilling tower supplements water inlet, supplements water inlet
Being connected with supplementary water surge tank with supplementary water out, supplement water out and be connected with make-up pump entrance, make-up pump exports
Supplement water inlet with chilling tower to be connected.The Multi-layer sprinkling layer being made up of by geometry arrangement shower nozzle is set in chilling tower,
Reaction gas inlet is arranged on spraying layer bottom, and reaction gas inlet arranges gas distributor, and spraying layer is provided above demister,
Chilling tower supplements water and is introduced into supplementary water surge tank, make-up pump join in chilling tower by the supplementary water in surge tank,
Ensure that stablizing of chilling tower amount of makeup water, not only make neutralizer pH value control constant, the removal effect of ammonia is good, and anxious
Cold tower tower reactor level stability, the operation of chilling tower operates steadily.
The present invention is applicable to the moisturizing of ammoxidation reaction device chilling tower, and is applicable to fluidized-bed reactor outlet reacting gas
Cooling, the neutralization of unreacted ammonia, be equally applicable in fluidized-bed reactor outlet reacting gas the catalyst fines carried secretly and
The high-efficient washing of heavy constituent.
Using the water replanishing device of the chilling tower of the present invention, chilling tower supplements water and is introduced into supplementary water surge tank, by make-up pump
Joining in chilling tower by supplementing water in supplementary water surge tank, chilling tower supplements water from four-effect evaporator residual liquid, joins urgency
Cold tower bottom, the acid that chilling tower adds is sulphuric acid, and neutralizer pH controls 5, and sulfur ammonium weight concentration is 20%, at chilling
Arranging 4 layers of spraying layer being made up of by square arrangement hollow cone shower nozzle in tower, the arrangement density of shower nozzle is 2 shower nozzle/m2,
Reaction gas inlet arranges dendroid porous type distributor, and after spray, neutralizer pH value controls stable, chilling tower tower bottoms
Steadily, in reacting gas, the clearance of ammonia reaches 99.9%, achieves preferable technique effect in position.
Accompanying drawing explanation
Fig. 1 is the water replanishing device schematic diagram of the chilling tower of the present invention；
In Fig. 1,1 is make-up pump, and 2 is make-up pump entrance, and 3 export for make-up pump, and 4 for supplementing water surge tank, 5
For supplementary water inlet, 6 is reaction gas outlet, and 7 is demister, and 8 is neutralizer spraying layer, and 9 supplement water for chilling tower enters
Mouthful, 10 is neutralizer, and 11 is chilling tower, and 12 is reaction gas inlet.
The water replanishing device technical process of the chilling tower of the present invention is as follows: supplementary water is introduced into supplementary water from supplementary water inlet 5 and delays
Rush in tank 4, through make-up pump 1 from make-up pump entrance 2, make-up pump outlet 3, supplement water inlet 9 from chilling tower and add
Entering in chilling tower 11, sulphuric acid joins in neutralising fluid 10, from the reacting gas of reaction gas inlet 12 and from spray
Drench neutralizer 10 counter current contacting of ejection in layer 8, after demister 7, enter absorption system from reaction gas outlet 6.
Below by specific embodiment, the invention will be further elaborated.
Detailed description of the invention
[comparative example 1]
Chilling tower supplements water and is added directly into chilling tower bottom, chilling tower reacting gas neutralizer and reacting gas counter current contacting
Reaction, chilling tower tower reactor liquid level, chilling tower neutralizer pH value change with the fluctuation of supplementary water, in chilling tower outlet gas phase
The neutralization of ammonia is incomplete, and the clearance of ammonia reaches 95%, and unneutralized ammonia enters in follow-up system, and organic polymerization is damaged
Lose and increase, cause follow-up tower, heat exchanger, pipeline to block, affect the properly functioning of device, shorten cycle of operation.
[comparative example 2]
The water of four-effect evaporator is added directly into chilling tower bottom, and chilling tower reacting gas neutralizer connects with reacting gas adverse current
Touching reaction, amplitude of variation is very big with the fluctuation of supplementary water for chilling tower tower reactor liquid level, chilling tower neutralizer pH value, chilling tower
In outlet gas phase, the neutralization of ammonia is incomplete, and the clearance of ammonia reaches 94%, and unneutralized ammonia enters in follow-up system, organic
The polymerization losses of thing increases, and causes follow-up tower, heat exchanger, pipeline to block, and affects the properly functioning of device, shortens and runs
Cycle.
[embodiment 1]
Using the water replanishing device of the chilling tower of the present invention, chilling tower supplements water and is introduced into supplementary water surge tank, by make-up pump
Joining in chilling tower by supplementing water in supplementary water surge tank, chilling tower supplements water from four-effect evaporator residual liquid, joins urgency
Cold tower bottom, the acid that chilling tower adds is sulphuric acid, and neutralizer pH controls 5, and sulfur ammonium weight concentration is 20%, at chilling
Arranging 4 layers of spraying layer being made up of by square arrangement hollow cone shower nozzle in tower, the arrangement density of shower nozzle is 2 shower nozzle/m2,
Reaction gas inlet arranges dendroid porous type distributor, and after spray, neutralizer pH value controls stable, chilling tower tower bottoms
Steadily, in reacting gas, the clearance of ammonia reaches 99.9%, achieves preferable technique effect in position.
[embodiment 2]
Using the water replanishing device of the chilling tower of the present invention, chilling tower supplements water and is introduced into supplementary water surge tank, by make-up pump
Joining in chilling tower by supplementing water in supplementary water surge tank, chilling tower supplements water from four-effect evaporator residual liquid, joins urgency
Cold tower bottom, the acid that chilling tower adds is oxalic acid, uses pH detecting system, detects neutralizer pH value, neutralizer pH
Controlling 4.5, sulfur ammonium weight concentration, 18%, arranges 6 layers in chilling tower and is made up of by square arrangement hollow cone shower nozzle
Spraying layer, the arrangement density of shower nozzle is 4 shower nozzle/m2, reaction gas inlet arranges dendroid porous type distributor, warp
After spray, neutralizer pH value controls stable, and chilling tower tower reactor liquid level is steady, and in reacting gas, the clearance of ammonia reaches 99.9%,
Achieve preferable technique effect.
[embodiment 3]
The water replanishing device of the chilling tower of the present invention, including chilling tower supplement water inlet, supplement water surge tank, chilling tower supplement
Water out, make-up pump, make-up pump entrance, make-up pump export；Supplement water inlet and supplementary water out to delay with supplementary water
Rushing tank to be connected, supplement water out and be connected with make-up pump entrance, make-up pump outlet supplements water inlet with chilling tower and is connected
Connect.Using the water replanishing device of above-mentioned chilling tower, chilling tower supplements water and is introduced into supplementary water surge tank, make-up pump will mend
Supplementing water in water-filling surge tank and join in chilling tower, chilling tower supplements water from four-effect evaporator residual liquid, joins chilling tower
Bottom, the acid that chilling tower adds is oxalic acid, uses pH detecting system, detects neutralizer pH value, and neutralizer pH controls
4.2, sulfur ammonium weight concentration, 19%, arranges 8 layers of spray being made up of hollow cone shower nozzle by square arrangement in chilling tower
Drenching layer, the arrangement density of shower nozzle is 3 shower nozzle/m2, reaction gas inlet arranges dendroid porous type distributor, through spray
Rear neutralizer pH value controls stable, and chilling tower tower reactor liquid level is steady, and in reacting gas, the clearance of ammonia reaches 99.9%, takes
Obtained preferable technique effect.
[embodiment 4]
Use the water replanishing device of the chilling tower of the present invention, supplement water inlet including chilling tower, supplement water surge tank, chilling tower
Supplement water out, make-up pump, make-up pump entrance, make-up pump outlet；Supplement water inlet and supplementary water out and supplement
Water surge tank is connected, and supplements water out and is connected with make-up pump entrance, and make-up pump outlet supplements water inlet with chilling tower
It is connected.Using the water replanishing device of above-mentioned chilling tower, chilling tower supplements water and is introduced into supplementary water surge tank, by make-up pump
Joining in chilling tower by supplementing water in supplementary water surge tank, chilling tower supplements water from four-effect evaporator residual liquid, joins urgency
In the middle part of cold tower, make-up pump outlet line arranges effusion meter, regulation valve；Supplement water surge tank and liquidometer is set.Chilling tower
The acid added is oxalic acid, uses pH detecting system, detects neutralizer pH value, and neutralizer pH controls 3.5, sulfur ammonium weight
Amount concentration, 22%, arranges 4 layers of spraying layer being made up of hollow cone shower nozzle, the row of shower nozzle by square arrangement in chilling tower
Cloth density is 4 shower nozzle/m2, reaction gas inlet arranges dendroid porous type distributor, neutralizer pH value control after spray
System is stable, and chilling tower tower reactor liquid level is steady, and in reacting gas, the clearance of ammonia reaches 99.8%, achieves preferable technology effect
Really.
[embodiment 5]
Use the fast cooling device of the present invention, including water replanishing device and the chilling tower of chilling tower；The water replanishing device of chilling tower, including
Chilling tower supplements water inlet, supplements water surge tank, chilling tower and supplement water out, make-up pump, make-up pump entrance, supplement
Exit of pump；Supplement water inlet to be connected with supplementary water surge tank with supplementary water out, supplement water out and make-up pump entrance
Being connected, make-up pump outlet supplements water inlet with chilling tower and is connected.
Chilling tower supplements water and is introduced into supplementary water surge tank, make-up pump join supplementing water in supplementary water surge tank
In chilling tower, chilling tower supplements water from four-effect evaporator residual liquid, joins in the middle part of chilling tower, on make-up pump outlet line
Effusion meter, regulation valve are set；Supplement water surge tank and liquidometer is set.The acid that chilling tower adds is oxalic acid, uses pH detection
System, detects neutralizer pH value, and neutralizer pH controls 3.8, and sulfur ammonium weight concentration, 18%, is arranged in chilling tower
6 layers of spraying layer being made up of by square arrangement hollow cone shower nozzle, the arrangement density of shower nozzle is 2 shower nozzle/m2, reacting gas
Entrance arranges dendroid porous type distributor, and after spray, neutralizer pH value controls stable, and chilling tower tower reactor liquid level is steady,
In reacting gas, the clearance of ammonia reaches 99.8%, achieves preferable technique effect.
[embodiment 6]
Use the fast cooling device of the present invention, including water replanishing device and the chilling tower of chilling tower；The water replanishing device of chilling tower, including
Chilling tower supplements water inlet, supplements water surge tank, chilling tower and supplement water out, make-up pump, make-up pump entrance, supplement
Exit of pump；Supplement water inlet to be connected with supplementary water surge tank with supplementary water out, supplement water out and make-up pump entrance
Being connected, make-up pump outlet supplements water inlet with chilling tower and is connected.
Chilling tower supplements water and is introduced into supplementary water surge tank, make-up pump join supplementing water in supplementary water surge tank
In chilling tower, chilling tower supplements water from four-effect evaporator residual liquid, joins in the middle part of chilling tower, on make-up pump outlet line
Effusion meter, regulation valve are set；Supplement water surge tank and liquidometer is set.The acid that chilling tower adds is oxalic acid, uses pH detection
System, detects neutralizer pH value, and neutralizer pH controls 3.8, and sulfur ammonium weight concentration, 18%, is arranged in chilling tower
6 layers of spraying layer being made up of by square arrangement hollow cone shower nozzle, the arrangement density of shower nozzle is 2 shower nozzle/m2；At spraying layer
Being provided above demister, demister is board-like demister, and the number of theoretical plate of sieve plate is 5 pieces；Reaction gas inlet arranges branch
Shape porous type distributor, after spray, neutralizer pH value controls stable, and chilling tower tower reactor liquid level is steady, ammonia in reacting gas
Clearance reach 99.8%, achieve preferable technique effect.
[embodiment 7]
Use the fast cooling device of the present invention, including water replanishing device and the chilling tower of chilling tower；The water replanishing device of chilling tower, bag
Include chilling tower to supplement water inlet, supplement water surge tank, chilling tower and supplement water out, make-up pump, make-up pump entrance, benefit
Charging pump exports；Supplement water inlet to be connected with supplementary water surge tank with supplementary water out, supplement water out and enter with make-up pump
Mouth is connected, and make-up pump outlet supplements water inlet with chilling tower and is connected.
Chilling tower supplements water and is introduced into supplementary water surge tank, make-up pump join supplementing water in supplementary water surge tank
In chilling tower, chilling tower supplements water from four-effect evaporator residual liquid, joins in the middle part of chilling tower, on make-up pump outlet line
Effusion meter, regulation valve are set；Supplement water surge tank and liquidometer is set.The acid that chilling tower adds is oxalic acid, uses pH detection
System, detects neutralizer pH value, and neutralizer pH controls 3.9, and sulfur ammonium weight concentration, 19%, is arranged in chilling tower
8 layers of spraying layer being made up of by square arrangement hollow cone shower nozzle, the arrangement density of shower nozzle is 3 shower nozzle/m2.At spraying layer
Be provided above demister, demister be the number of theoretical plate of bubble cap tray sieve plate be 2 pieces.Reaction gas inlet arranges dendroid porous
Type distributor, after spray, neutralizer pH value controls stable, and chilling tower tower reactor liquid level is steady, the removal of ammonia in reacting gas
Rate reaches 99.9%, achieves preferable technique effect.
Claims (14)
1. a water replanishing device for chilling tower, supplements water inlet including chilling tower, supplements water surge tank, chilling tower and supplement water
Outlet, make-up pump, make-up pump entrance, make-up pump outlet；Supplement water inlet and supplementary water out to buffer with supplementary water
Tank is connected, and supplements water out and is connected with make-up pump entrance, and make-up pump outlet supplements water inlet with chilling tower and is connected.
The water replanishing device of chilling tower the most according to claim 1, it is characterised in that described supplementary water includes from four
Single-effect evaporator lime set, four-effect evaporator residual liquid, desalted water, finished product tower bottoms, decyanation tower water layer, recovery tower top water layer, second
At least one in nitrile tower bottoms, device sewage；Chilling tower includes pH detecting system, detects neutralizer pH value；Chilling
The acid that tower adds includes at least one in sulphuric acid, phosphoric acid, acetic acid, oxalic acid, acrylic acid, formic acid, carbonic acid.
The water replanishing device of chilling tower the most according to claim 2, it is characterised in that described supplementary water includes from four
At least one in single-effect evaporator lime set, four-effect evaporator residual liquid, desalted water；Chilling tower add acid include sulphuric acid, phosphoric acid,
At least one in acetic acid, oxalic acid；Chilling tower neutralizer pH controlling value is 3-6.5.
The water replanishing device of chilling tower the most according to claim 3, it is characterised in that described supplementary water includes from four
At least one in single-effect evaporator lime set, four-effect evaporator residual liquid；Chilling tower neutralizer pH controlling value is 3-5.
The water replanishing device of chilling tower the most according to claim 1, it is characterised in that described chilling tower supplements water inlet
At least one position being arranged in the top of chilling tower, middle part, bottom；Arrange on make-up pump outlet line effusion meter,
Regulation valve；Supplement water surge tank and liquidometer is set.
The water replanishing device of chilling tower the most according to claim 1, it is characterised in that described chilling tower is arranged by shower nozzle
By the Multi-layer sprinkling layer of geometry arrangement composition, reaction gas inlet is arranged on spraying layer bottom, and reaction gas inlet is arranged
Gas distributor, spraying layer is provided above demister, and chilling tower supplements water inlet on demister plate top.
The water replanishing device of chilling tower the most according to claim 6, it is characterised in that the spray that described chilling tower is arranged
Layer is 1～8 layer；The arrangement density of every layer of shower nozzle is 1～4 shower nozzle/m2；The geometry of every layer of water-spraying fabric includes pros
At least one in shape, rectangle, equilateral triangle, concentric circular annular；Described shower nozzle includes hollow cone, solid-cone, spiral shell
At least one in rotation type, air atomizing shower nozzle；Gas distributor pattern includes semicircle cast, pipe distributor, dendroid
One in porous type, biserial vane type, demister includes board-like demister, wire mesh demister, bubble cap tray, sieve plate, fills out
At least one in material.
8. a method for supplementing water for chilling tower, uses the water replanishing device of any one chilling tower, moisturizing in claim 1～7
Method includes following step:
A) chilling tower supplements water and is charged first to supplementary water surge tank from supplementary water inlet；
B) by make-up pump, the supplementary water in supplementary water surge tank is joined in chilling tower.
The method for supplementing water of chilling tower the most according to claim 8, it is characterised in that described supplementary water includes from four
Single-effect evaporator lime set, four-effect evaporator residual liquid, desalted water, finished product tower bottoms, decyanation tower water layer, recovery tower top water layer, second
At least one in nitrile tower bottoms, device sewage；Chilling tower arranges pH detecting system；Chilling tower add acid include sulphuric acid,
At least one in phosphoric acid, acetic acid, oxalic acid, acrylic acid, formic acid, carbonic acid.
The method for supplementing water of chilling tower the most according to claim 9, it is characterised in that described supplementary water includes from four
At least one in single-effect evaporator lime set, four-effect evaporator residual liquid, desalted water；Chilling tower add acid include sulphuric acid, phosphoric acid,
At least one in acetic acid, oxalic acid；The addition of sulphuric acid is controlled to adjust by chilling tower neutralizer pH value, chilling tower neutralizer
PH controlling value is 3-6.5, and chilling tower sulfur ammonium weight concentration is at 12-22%.
The method for supplementing water of 11. chilling towers according to claim 10, it is characterised in that described supplementary water include from
At least one in four-effect evaporator lime set, four-effect evaporator residual liquid；Chilling tower neutralizer pH controlling value is 3-5；Chilling
Tower sulfur ammonium weight concentration is at 15-20%.
The method for supplementing water of 12. chilling towers according to claim 8, it is characterised in that described chilling tower is arranged by shower nozzle
By the Multi-layer sprinkling layer of geometry arrangement composition, reaction gas inlet is arranged on spraying layer bottom, and reaction gas inlet is arranged
Gas distributor, spraying layer is provided above demister, and chilling tower supplements water inlet on demister plate top.
The method for supplementing water of 13. chilling towers according to claim 12, it is characterised in that the spray that described chilling tower is arranged
Drenching layer is 1～8 layer；The arrangement density of every layer of shower nozzle is 1～4 shower nozzle/m2；The geometry of every layer of water-spraying fabric just includes
At least one in square, rectangle, equilateral triangle, concentric circular annular；Described shower nozzle include hollow cone, solid-cone,
At least one in screw type, air atomizing shower nozzle；Gas distributor pattern includes semicircle cast, pipe distributor, branch
One in shape porous type, biserial vane type, demister include board-like demister, wire mesh demister, bubble cap tray, sieve plate,
At least one in filler.
14. 1 kinds of fast cooling devices, including water replanishing device and the chilling tower of chilling tower；The water replanishing device of chilling tower, including urgency
Cold tower supplements water inlet, supplements water surge tank, chilling tower and supplement water out, make-up pump, make-up pump entrance, supplement water
Pump discharge；Supplement water inlet to be connected with supplementary water surge tank with supplementary water out, supplement water out and make-up pump entrance phase
Connecting, make-up pump outlet supplements water inlet with chilling tower and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510052361.5A CN105983320A (en) | 2015-01-31 | 2015-01-31 | Water replenishing device of quench tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510052361.5A CN105983320A (en) | 2015-01-31 | 2015-01-31 | Water replenishing device of quench tower |
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| CN105983320A true CN105983320A (en) | 2016-10-05 |
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| CN201510052361.5A Pending CN105983320A (en) | 2015-01-31 | 2015-01-31 | Water replenishing device of quench tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439310A (en) * | 2019-09-05 | 2021-03-05 | 中石油吉林化工工程有限公司 | Method for supplementing water for acrylonitrile device quench tower |
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| CN1625544A (en) * | 2002-01-29 | 2005-06-08 | 三菱化学株式会社 | Method for producing (meth)acrylic acid |
| CN1981912A (en) * | 2005-12-14 | 2007-06-20 | 中国石油化工股份有限公司 | Gas chilled absorbing tower |
| CN203777923U (en) * | 2014-03-31 | 2014-08-20 | 英尼奥斯欧洲股份公司 | Improved ammonia removal process for reactor effluents |
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| CN1625544A (en) * | 2002-01-29 | 2005-06-08 | 三菱化学株式会社 | Method for producing (meth)acrylic acid |
| CN1981912A (en) * | 2005-12-14 | 2007-06-20 | 中国石油化工股份有限公司 | Gas chilled absorbing tower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112439310A (en) * | 2019-09-05 | 2021-03-05 | 中石油吉林化工工程有限公司 | Method for supplementing water for acrylonitrile device quench tower |
| CN112439310B (en) * | 2019-09-05 | 2023-08-11 | 中石油吉林化工工程有限公司 | Water supplementing method for acrylonitrile device quench tower |
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