CN207153462U - A kind of desulfurizing waste water processing device and smoke processing system - Google Patents
A kind of desulfurizing waste water processing device and smoke processing system Download PDFInfo
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- CN207153462U CN207153462U CN201721089839.2U CN201721089839U CN207153462U CN 207153462 U CN207153462 U CN 207153462U CN 201721089839 U CN201721089839 U CN 201721089839U CN 207153462 U CN207153462 U CN 207153462U
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- desulfurizing waste
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- 239000002351 wastewater Substances 0.000 title claims abstract description 74
- 238000012545 processing Methods 0.000 title claims abstract description 53
- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 34
- 239000000779 smoke Substances 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 29
- 230000023556 desulfurization Effects 0.000 claims abstract description 29
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000002425 crystallisation Methods 0.000 claims abstract description 24
- 230000008025 crystallization Effects 0.000 claims abstract description 24
- 239000003546 flue gas Substances 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000012528 membrane Substances 0.000 claims description 6
- 239000013505 freshwater Substances 0.000 claims description 5
- 238000001471 micro-filtration Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 238000001223 reverse osmosis Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 230000008020 evaporation Effects 0.000 abstract description 7
- 238000012546 transfer Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 18
- 238000005516 engineering process Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 208000028659 discharge Diseases 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000001728 nano-filtration Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Treating Waste Gases (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The utility model discloses a kind of desulfurizing waste water processing device, including the pretreatment module, film concentration decrement module and evaporative crystallization module being sequentially connected, the reaction settling tank of pretreatment module is used to be connected with the desulfurization wastewater pipe of desulphurization plant, the film concentration decrement module for being internally provided with microstrainer is connected by pipeline with the evaporator of evaporative crystallization module, and the gas-liquid heat-exchange for being arranged on the smoke pipe between deduster and desulphurization plant is connected with pipeline.Desulfurizing waste water processing device of the present utility model, flue residue heat is utilized by part, the waste water to be solidified after flue preheats, when being evaporated processing, required energy is greatly lowered, and fully saves the energy consumption of crystallizing evaporator；And desulfurization wastewater only carries out heat transfer, no mass exchange with flue gas, therefore avoid a series of potential problems that evaporation product enters flue and brought.The utility model also includes a kind of smoke processing system, including above-mentioned desulfurizing waste water processing device.
Description
Technical field
Industrial waste gas processing technology field is the utility model is related to, more particularly to a kind of desulfurizing waste water processing device and cigarette
Gas processing system.
Background technology
At present in coal-burning power plant of China, the environment-friendly engineering of processing sulfureous in flue gas oxide uses Wet Flue Gas Desulfurization Technique more.And
The technology need to irregularly discharge waste water to ensure its stable operation, and ensure byproduct in the running of processing flue gas
Purity quality of gypsum etc..The waste water is desulfurization wastewater, has following features：Hardness is high, salinity is high, complicated components, containing a large amount of
Heavy metal and suspension, and water quality situation fluctuation is obvious, as tail end wastewater, its water quality can be by each stage apparatus of power-plant flue gas
The influence of operation conditions.The data announced according to Chinese Ministry of Environmental Protection, current national 7.5 hundred million kilowatts of thermoelectricity total installation of generating capacity, by averagely every
300MW units produce the estimation of 10t/h desulfurization wastewaters, and desulfurization wastewater discharge total amount is about 25000t/h.
Demand and policies and regulations based on environmental protection pressure (《Water prevention and cure of pollution action plan》(ten, water),《Thermoelectricity
Factory's pollution prevention technique policy》With《Coal fired power plant water prevention and cure of pollution outline》Deng), power plant desulfurization wastewater zero-emission and full station-service water
Balance and wastewater zero discharge, it has also become know together in the industry.Engineering project has been put into according to current related-art process and power plant, taken off
It is solid that the overall process technology path of sulphur wastewater zero discharge can be divided into pretreatment section, film concentration decrement and fresh water reuse section and evaporation
Change section.Wherein, evaporation curable processing links, mainly there are two kinds of technical schemes：Bypass flue atomization and vaporization technology and evaporative crystallization
Technology.
Wherein, evaporative crystallization technique for example multi-effect evaporator, mechanical compress evaporator device input it is larger, operating cost compared with
Height, purity salt is crystallized to improve, generally sets up the equipment such as nanofiltration.Bypass flue atomization technique holistic cost is low, but to power plant's cigarette
There is potential impact in road each several part equipment, and handle the water upper limit and be restricted.The problems such as above-mentioned, constrain desulfurization wastewater zero-emission
Put the economical and efficient operation and further genralrlization application of technique.
Utility model content
The purpose of this utility model is to provide a kind of desulfurizing waste water processing device, to solve to ask existing for above-mentioned prior art
Topic, flue residue heat is taken full advantage of, carry out gas-liquid heat exchange, and then fully reduce the energy consumption and operating cost of crystallizing evaporator, this
Utility model also provides a kind of smoke processing system, avoids the adverse effect for evaporating into flue by waste water and bringing.
To achieve the above object, the utility model provides following scheme：The utility model is provided at a kind of desulfurization wastewater
Device is managed, including pretreatment module, film concentration decrement module and the evaporative crystallization module being sequentially connected, the pretreatment module
Reaction settling tank is used to be connected with the desulfurization wastewater pipe of desulphurization plant, is internally provided with the film concentration decrement mould of microstrainer
Block is connected by pipeline with the evaporator of the evaporative crystallization module, be connected with the pipeline for be arranged on deduster with
The gas-liquid heat-exchange on smoke pipe between desulphurization plant.
Optionally, the film concentration decrement module bottom is provided with fresh water recovery port.
Optionally, the microstrainer includes microfiltration membranes and reverse osmosis membrane, and the evaporator is multi-effect evaporator or machinery
Compression Evaporation device.
Optionally, the film concentration decrement module is connected by compression pump with the gas-liquid heat-exchange, and the film concentrates
Control valve is provided between decrement module and the gas-liquid heat-exchange.
Optionally, a bye-pass is also passed through between the film concentration decrement module and the evaporator of the evaporative crystallization module
It is connected.
Optionally, a water control valve is provided with the bye-pass.
Optionally, two groups of gas-liquid heat-exchanges being arranged in parallel are included in the desulfurizing waste water processing device.
Optionally, the desulfurizing waste water processing device also includes PLC, flue gas flow meter and thermocouple, the cigarette
Air-flow gauge, gas-liquid heat-exchange and thermocouple are used to be sequentially arranged in the smoke pipe, and the flue gas flow meter, gas-liquid heat exchange
Device and thermocouple electrically connect with the PLC.
The utility model also provides a kind of smoke processing system, including above-mentioned desulfurizing waste water processing device, in addition to according to
Pre- desulphurization plant, deduster and the desulphurization plant of secondary connection, the pre- desulphurization plant are used to connect with the top of boiler, described de-
The pretreatment module of sulphur wastewater treatment equipment connects with the desulfurization wastewater pipe of the desulphurization plant, and gas-liquid heat-exchange is arranged at described
On smoke pipe between deduster and the desulphurization plant, chimney is connected with the top of the desulphurization plant.
Optionally, it is provided with air preheater between the pre- desulphurization plant and the deduster.
The utility model achieves following technique effect relative to prior art：
1. evaporative crystallization technique such as multi-effect evaporator, mechanical compress evaporator device infusion of financial resources is big, operating cost is high, than
Compared with power consumption.And to be solidified waste water of the utility model after flue preheats, then when being evaporated processing, required energy greatly drops
It is low.Flue residue heat is utilized by part, fully saves the energy consumption of crystallizing evaporator.Though the technique increases equipment and disposably thrown
Enter capital, but during longtime running, can fully save whole cost cost.
2. compared to currently conventional bypass flue technology, desulfurizing waste water processing device of the present utility model is to take into account its excellent
While gesture, its some drawbacks is avoided.As scale formation be present in bypass flue, the potential risk for having boiler flue corrosion, influence
Fine coal ash composition, handle the problems such as water is limited.The utility model desulfurization wastewater only carries out heat transfer, nothing with flue gas
Mass exchange, therefore avoid a series of potential problems that evaporation product enters flue and brought.And curing process processing water
When larger, the wastewater temperature after gas-liquid heat exchange is only influenceed, at this moment accordingly increases part evaporation energy consumption.Can not in the absence of waste water
The problem of carrying out curing process in time completely.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the overall structure diagram of the utility model desulfurizing waste water processing device and smoke processing system；
Wherein, 1 boiler；2 pre- desulphurization plants；3 air preheaters；4 dedusters；5 desulphurization plants；6 chimneys；7 pre- places
Manage module；8 films concentration decrement module；9 evaporative crystallization modules；10 gas-liquid heat-exchanges；11 thermocouples；12 flue gas flow meters；13 pressures
Power pump；14 water control valves；15PLC controllers.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The purpose of this utility model is to provide a kind of desulfurizing waste water processing device, to solve to ask existing for above-mentioned prior art
Topic, flue residue heat is taken full advantage of, carry out gas-liquid heat exchange, and then fully reduce the energy consumption and operating cost of crystallizing evaporator, this
Utility model also provides a kind of smoke processing system, avoids the adverse effect for evaporating into flue by waste water and bringing.
Desulfurizing waste water processing device provided by the utility model, including pretreatment module, the film concentration decrement being sequentially connected
Module and evaporative crystallization module, the reaction settling tank of pretreatment module is used to be connected with the desulfurization wastewater pipe of desulphurization plant, interior
The film concentration decrement module that portion is provided with microstrainer is connected by pipeline with the evaporator of evaporative crystallization module, is connected on pipeline
There is the gas-liquid heat-exchange for being arranged on the smoke pipe between deduster and desulphurization plant.
In the processing procedure for carrying out desulfurization wastewater, desulfurization wastewater enters the reaction settling tank of pretreatment module, carries out pre-
Precipitation, the upper strata clear water after preformed precipitate are entered in film concentration decrement module, and microstrainer enters to advance to waste water after pretreatment
The filtering and counter-infiltration of one step, gas-liquid heat-exchange are preheated using the flue gas heat in smoke pipe to the waste water after micro-filtration,
So that the temperature rise of waste water, then after reaching the evaporator of evaporative crystallization module, because waste water has been carried out tentatively preheating, energy
The energy consumption of evaporator is enough substantially reduced, and improves evaporative crystallization efficiency.
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to the utility model.
Fig. 1 is refer to, wherein, Fig. 1 is the overall knot of the utility model desulfurizing waste water processing device and smoke processing system
Structure schematic diagram.
As shown in figure 1, the utility model provides a kind of desulfurizing waste water processing device, including the pretreatment module being sequentially connected
7th, film concentration decrement module 8 and evaporative crystallization module 9, the reaction settling tank of pretreatment module 7 are used for the desulfurization with desulphurization plant 5
Waste pipe is connected, and the film concentration decrement module 8 for being internally provided with microstrainer passes through pipeline and the evaporator of evaporative crystallization module 9
It is connected, the gas-liquid heat-exchange 10 for being arranged on the smoke pipe between deduster 4 and desulphurization plant 5 is connected with pipeline.
Film concentration decrement module 8 bottom is provided with fresh water recovery port, for carrying out fresh water recovery；Film concentration decrement module 8
Also it is connected between the evaporator of evaporative crystallization module 9 by a bye-pass, and a water control valve 14 is provided with bye-pass, is made
Desulfurization wastewater after concentration, can enter directly into evaporator, when gas-liquid heat-exchange 10 have safeguard and cleaning when needing,
The design can conveniently carry out plant maintenance, and the zero discharge treatment of desulfurization wastewater can still be run.
Two groups of gas-liquid heat-exchanges being arranged in parallel 10, two groups of gas-liquid heat exchanges can also be included in desulfurizing waste water processing device
Device 10 in installing side by side on flue, and a set of normal operation uses, and a set of standby, the design can facilitate the maintenance and cleaning of heat exchanger
Demand, if heat exchanger breaks down, simultaneously on-call maintenance is used interchangeably, does not influence the normal treatment progress of desulfurization wastewater, and together
When can guarantee that realize reduce evaporator energy consumption effect.
Microstrainer includes microfiltration membranes and reverse osmosis membrane, and evaporator is multi-effect evaporator or mechanical compress evaporator.Film is dense
Nanofiltration can be also set up in reduction module 8, realizes and divides salt to improve the design of solidification crystallization purity salt；Electrodialysis and counter-infiltration phase
With reference to the design of raising desulfurization wastewater concentrating degree.In power plant desulfurization wastewater zero-emission engineering, solidification link selection uses evaporation
During crystallization technique technique, this design can be used cooperatively.
Film concentration decrement module 8 is connected by compression pump 13 with gas-liquid heat-exchange 10, and film concentration decrement module 8 and gas-liquid
Control valve is provided between heat exchanger 10, can be controlled into the wastewater flow rate in gas-liquid heat-exchange 10.
The desulfurizing waste water processing device also includes PLC 15, flue gas flow meter 12 and thermocouple 11, flue gas flow
Meter 12, gas-liquid heat-exchange 10 and thermocouple 11 are sequentially arranged between deduster 4 and desulphurization plant 5, and flue gas flow meter 12, gas
Liquid heat exchanger 10 and thermocouple 11 electrically connect with PLC 15；Heat after deduster 4 with being set in the flue before desulfurizing tower
Galvanic couple 11, for determining flue-gas temperature, general control enters desulfurizing tower more than 60 DEG C, flue gas flow meter is set after deduster 4
12, according to the flue-gas temperature and flue gas flow for entering heat exchanger, the number of water circulation in gas-liquid heat-exchange 10 is determined, and flow out useless
The lifting temperature of water, and be correspondingly improved or reduce to flowing through water.
The specific implementation process of desulfurizing waste water processing device of the present utility model is as follows:
After the preprocessed module 7 of desulfurization wastewater, film concentration decrement module 8 are handled, condensed water is entered in water storage tank, by pressing
Power pump 13 is evacuated in the gas-liquid heat-exchange 10 in flue, and pipeline is provided with corresponding water valve control flow of inlet water, water circulation heat exchange
Number and water outlet water, it is controlled, and after collecting the information such as flue-gas temperature, flow velocity, leaving water temperature by each detection means, is located
Reason.Online automatic control system (including thermocouple 11 and flue gas flow meter 12) is set, carries out information gathering and runoff investigation etc.,
It is uniformly processed and is controlled after is programmed by PLC 15.Water outlet enters back into evaporative crystallization module 9 and solidifies link processing.
Flue between deduster 4 and desulphurization plant 5 is transformed, installs setting using flue gas desulfurization wastewater additional
It is standby.Desulfurization wastewater after concentration, which enters in gas liquid exchanger, absorbs heat, raises temperature, then enters back into evaporative crystallization
In module 9, such as multi-effect evaporator, mechanical compress evaporator, to realize the curing process final to desulfurization wastewater.At the same time,
Entering the flue-gas temperature of desulphurization plant 5 reduces, so as to reduce the water consumption of wet desulphurization.
The utility model also provides a kind of smoke processing system, including above-mentioned desulfurizing waste water processing device, in addition to according to
Pre- desulphurization plant 2, deduster 4 and the desulphurization plant 5 of secondary connection, pre- desulphurization plant 2 are used to connect with the top of boiler 1, desulfurization
The pretreatment module 7 of wastewater treatment equipment connects with the desulfurization wastewater pipe of desulphurization plant 5, and gas-liquid heat-exchange 10 is arranged at deduster
On smoke pipe between 4 and desulphurization plant 5, the top of desulphurization plant 5 is connected with chimney 6；Pre- desulphurization plant 2 and deduster 4 it
Between be provided with air preheater 3.
It should be noted that pretreatment module, film concentration decrement module and evaporative crystallization module in the utility model
The module being well known to those skilled in the art, wherein the portion that the building block being not written out includes with module of the prior art
Part is identical；In addition, set location, the setting quantity of the control valve, water control valve in the utility model are not limited to above-mentioned setting,
Can suitably it be adjusted according to actual use situation, in the scope of protection of the utility model.
Apply specific case in the utility model to be set forth principle of the present utility model and embodiment, the above
The explanation of embodiment is only intended to help and understands method and its core concept of the present utility model；Meanwhile for the one of this area
As technical staff, according to thought of the present utility model, there will be changes in specific embodiments and applications.To sum up
Described, this specification content should not be construed as to limitation of the present utility model.
Claims (10)
- A kind of 1. desulfurizing waste water processing device, it is characterised in that：Including pretreatment module, the film concentration decrement module being sequentially connected With evaporative crystallization module, the reaction settling tank of the pretreatment module is used to be connected with the desulfurization wastewater pipe of desulphurization plant, interior The film concentration decrement module that portion is provided with microstrainer is connected by pipeline with the evaporator of the evaporative crystallization module, institute State the gas-liquid heat-exchange being connected with pipeline for being arranged on the smoke pipe between deduster and desulphurization plant.
- 2. desulfurizing waste water processing device according to claim 1, it is characterised in that：The film concentration decrement module bottom is set It is equipped with fresh water recovery port.
- 3. desulfurizing waste water processing device according to claim 1, it is characterised in that：The microstrainer include microfiltration membranes and Reverse osmosis membrane, the evaporator are multi-effect evaporator or mechanical compress evaporator.
- 4. desulfurizing waste water processing device according to claim 1, it is characterised in that：The film concentration decrement module passes through pressure Power pump is connected with the gas-liquid heat-exchange, and is provided with control valve between film concentration decrement module and the gas-liquid heat-exchange.
- 5. desulfurizing waste water processing device according to claim 1, it is characterised in that：Film concentration decrement module with it is described Also it is connected between the evaporator of evaporative crystallization module by a bye-pass.
- 6. desulfurizing waste water processing device according to claim 5, it is characterised in that：A control water is provided with the bye-pass Valve.
- 7. desulfurizing waste water processing device according to claim 1, it is characterised in that：Wrapped in the desulfurizing waste water processing device Include two groups of gas-liquid heat-exchanges being arranged in parallel.
- 8. desulfurizing waste water processing device according to claim 1, it is characterised in that：The desulfurizing waste water processing device also wraps PLC, flue gas flow meter and thermocouple are included, flue gas flow meter, gas-liquid heat-exchange and the thermocouple are used to be sequentially arranged On the smoke pipe, and flue gas flow meter, gas-liquid heat-exchange and the thermocouple electrically connect with the PLC.
- 9. a kind of smoke processing system, including the desulfurizing waste water processing device any one of claim 1-8, its feature exist In：Also include pre- desulphurization plant, deduster and the desulphurization plant being sequentially connected, the pre- desulphurization plant is used for the top with boiler Connection, the pretreatment module of the desulfurizing waste water processing device connect with the desulfurization wastewater pipe of the desulphurization plant, gas-liquid heat exchange Device is arranged on the smoke pipe between the deduster and the desulphurization plant, and chimney is connected with the top of the desulphurization plant.
- 10. smoke processing system according to claim 9, it is characterised in that：The pre- desulphurization plant and the deduster Between be provided with air preheater.
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| CN201721089839.2U CN207153462U (en) | 2017-08-29 | 2017-08-29 | A kind of desulfurizing waste water processing device and smoke processing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381922A (en) * | 2017-08-29 | 2017-11-24 | 大唐（北京）水务工程技术有限公司 | A kind of desulfurizing waste water processing device and smoke processing system |
| CN113023998A (en) * | 2021-04-14 | 2021-06-25 | 吉林省铸洁环保有限责任公司 | Desulfurization waste water zero release processing system based on bypass flue evaporation |
-
2017
- 2017-08-29 CN CN201721089839.2U patent/CN207153462U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107381922A (en) * | 2017-08-29 | 2017-11-24 | 大唐（北京）水务工程技术有限公司 | A kind of desulfurizing waste water processing device and smoke processing system |
| CN113023998A (en) * | 2021-04-14 | 2021-06-25 | 吉林省铸洁环保有限责任公司 | Desulfurization waste water zero release processing system based on bypass flue evaporation |
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