CN109027404B - Water flow regulating device of dry type sealing vacuum unit - Google Patents
Water flow regulating device of dry type sealing vacuum unit Download PDFInfo
- Publication number
- CN109027404B CN109027404B CN201811226225.3A CN201811226225A CN109027404B CN 109027404 B CN109027404 B CN 109027404B CN 201811226225 A CN201811226225 A CN 201811226225A CN 109027404 B CN109027404 B CN 109027404B
- Authority
- CN
- China
- Prior art keywords
- pipe
- step pipe
- water inlet
- water
- medium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 title description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 abstract description 28
- 230000008602 contraction Effects 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 p-toluenesulfonyl chlorides of isomers Chemical class 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/54—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/20—Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a water flow regulating device of a dry-type sealed vacuum unit, which comprises an outer pipe body and an inner pipe body positioned in the outer pipe body, wherein the upper section side and the lower section side of the outer pipe body are respectively provided with a water outlet pipe and a water inlet pipe which are communicated with an inner through hole of the outer pipe body, the inner pipe body comprises a first inner step pipe, a second inner step pipe and a third inner step pipe, a screw rod is fixed at the bottom of the first inner step pipe, the other end of the screw rod penetrates out of a lower plug and is provided with a rotary handle, a baffle plate is arranged at the inner lower end of the third inner step pipe, a plurality of springs are fixed on the top surface of the baffle plate, the other ends of the springs are connected with a piston, a telescopic rod is fixed at the top of the piston, the other ends of the telescopic rod penetrate out of the third inner step pipe and are fixedly provided with a baffle plate, cooling water is stirred by the rotary flow, the occurrence of a phenomenon of water flow is avoided, the piston is pushed to move up and down by thermal expansion of a thermal medium, and the purpose that the cooling water flow changes along with the water temperature is achieved.
Description
Technical Field
The invention relates to the technical field of dry-type sealed vacuum units, in particular to the technical field of a water flow regulating device of a dry-type sealed vacuum unit.
Background
At present, people can utilize the difference of boiling points and adopt a mechanical dry-type sealed vacuum unit to carry out rectification separation on o-, m-and p-toluenesulfonyl chlorides of isomers, so that the rectification temperature can be effectively reduced, and equipment corrosion caused by the dissolution of an organic medium in water can be avoided.
The pump body cooling of the dry vacuum unit is extremely important for the normal operation of the unit. The vacuum atmosphere pumped by the unit is different, and the cooling water flow of the pump is also different. The flow of the cooling water can not be automatically adjusted according to the temperature of the cooling water by the existing cooling water flow adjusting device, and in addition, impurities are contained in the cooling water or equipment and water are subjected to electrochemical reaction to generate colloid, so that the water flow detecting device is blocked or water flow is not smooth.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a water flow regulating device of a dry-type sealed vacuum unit, which can stir cooling water through a cyclone sheet, avoid the phenomenon of unsmooth water flow, utilize a thermosensitive medium to sense the temperature of the cooling water, push the piston to move up and down through the expansion and contraction of the thermosensitive medium, regulate the size of a water outlet pipe, and achieve the aim that the flow of the cooling water changes along with the temperature of the water.
In order to achieve the above purpose, the invention provides a water flow regulating device of a dry-type sealed vacuum unit, which comprises an outer pipe body and an inner pipe body positioned in the outer pipe body, wherein the upper section side and the lower section side of the outer pipe body are respectively provided with a water outlet pipe and a water inlet pipe which are communicated with through holes in the outer pipe body, the top and the bottom of the outer pipe body are respectively plugged by an upper plug and a lower plug, the inner pipe body comprises a first inner-stage pipe, a second inner-stage pipe and a third inner-stage pipe, the bottom of the first inner-stage pipe is fixedly provided with a screw rod, the other end of the screw rod penetrates out of the lower plug and is provided with a rotary handle, the lower end of the inside of the third inner-stage pipe is provided with a baffle plate, the top surface of the baffle plate is fixedly provided with a plurality of springs, the other ends of the springs are connected with a piston, and the other end of the telescopic rod penetrates out of the third inner-stage pipe and is fixedly provided with a stop block.
Preferably, the diameter of the first inner step tube is larger than that of the third inner step tube, the second inner step tube is in a horn shape, and the large opening and the small opening are respectively connected with the first inner step tube and the third inner step tube.
Preferably, a heat sensitive medium is injected into the first inner-stage pipe, the heat sensitive medium is petroleum or alcohol, and a through hole for the heat sensitive medium to circulate is formed in the baffle plate.
Preferably, the water inlet pipe comprises a first water inlet step pipe, a second water inlet step pipe, a third water inlet step pipe and a fourth water inlet step pipe, the diameter of the second water inlet step pipe is identical with that of the fourth water inlet step pipe and is larger than that of the first water inlet step pipe, the third water inlet step pipe is in a horn shape, a large opening and a small opening are respectively connected with the fourth water inlet step pipe and the second water inlet step pipe, and a swirl plate is arranged in the second water inlet step pipe.
Preferably, the lower plug is provided with a threaded hole for the screw rod to pass through.
The invention has the beneficial effects that: according to the invention, the cooling water is stirred by the cyclone sheet, the phenomenon of unsmooth water flow is avoided, the temperature of the cooling water is sensed by the thermosensitive medium, the piston is pushed to move up and down by the thermal expansion and contraction of the thermosensitive medium, and the water outlet of the water outlet pipe is regulated, so that the purpose that the flow of the cooling water changes along with the water temperature is achieved.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
Drawings
FIG. 1 is a cross-sectional view of a water flow regulating device of a dry seal vacuum unit of the present invention when the cooling water temperature is low;
fig. 2 is a sectional view of a water flow regulating device of a dry sealed vacuum unit according to the present invention when the temperature of cooling water is high.
In the figure: 1-outer pipe, 11-outlet pipe, 12-water inlet pipe, 121-first water inlet step pipe, 122-second water inlet step pipe, 123-third water inlet step pipe, 124-fourth water inlet step pipe, 125-swirl plate, 13-upper plug, 14-lower plug, 2-inner pipe, 21-first inner step pipe, 211-screw rod, 212-rotary handle, 22-second inner step pipe, 23-third inner step pipe, 231-baffle plate, 232-spring, 233-piston, 234-telescopic rod and 235-baffle block.
Detailed Description
Referring to fig. 1 and 2, the water flow adjusting device of the dry sealing vacuum unit of the present invention comprises an outer tube 1 and an inner tube 2 positioned in the outer tube 1, wherein the upper section and the lower section of the outer tube 1 are respectively provided with a water outlet pipe 11 and a water inlet pipe 12 which are communicated with the inner through hole of the outer tube 1, the top and the bottom of the outer tube 1 are respectively blocked by an upper plug 13 and a lower plug 14, the inner tube 2 comprises a first inner stage tube 21, a second inner stage tube 22 and a third inner stage tube 23, the bottom of the first inner stage tube 21 is fixed with a screw 211, the other end of the screw 211 penetrates out of the lower plug 14 and is provided with a rotary handle 212, the lower end of the inner part of the third inner stage tube 23 is provided with a baffle 231, the top surface of the baffle 231 is fixed with a plurality of springs 232, the other ends of the springs 232 are connected with a piston 233, the top of the piston 233 is fixed with a telescopic rod 234, the other end of the expansion link 234 passes through the third inner step pipe 23 and is fixed with a stopper 235, the diameter of the first inner step pipe 21 is larger than that of the third inner step pipe 23, the second inner step pipe 22 is in a horn shape, the large opening and the small opening are respectively connected with the first inner step pipe 21 and the third inner step pipe 23, the first inner step pipe 21 is internally filled with a thermosensitive medium, the thermosensitive medium is petroleum or alcohol, the baffle 231 is provided with a through hole for the heat-sensitive medium to flow, the water inlet pipe 12 comprises a first water inlet step pipe 121, a second water inlet step pipe 122, a third water inlet step pipe 123 and a fourth water inlet step pipe 124, the diameter of the second water inlet step pipe 122 is consistent with that of the fourth water inlet step pipe 124 and is larger than that of the first water inlet step pipe 121, the third water step pipe 123 is in a horn shape, the large opening and the small opening are respectively connected with the fourth water inlet step pipe 124 and the second water inlet step pipe 122, the second water inlet step pipe 122 is internally provided with a cyclone sheet 125, and the lower plug 14 is provided with a threaded hole for the screw 211 to pass through.
The working process of the invention comprises the following steps:
in the operation process of the water flow regulating device of the dry sealing vacuum unit, cooling water enters the third water inlet step pipe 123 with the pipe diameter gradually reduced from the fourth water inlet step pipe 124, the cooling water flow speed is increased, the cyclone sheet 125 rotates in the second water inlet step pipe 122, the rotating cyclone sheet 125 simultaneously stirs the flowing cooling water, and then the cooling water enters the bottom of the outer pipe body 1 from the first water inlet step pipe 121. When the temperature of the cooling water is low, the heat sensitive medium is accumulated in the first inner stage pipe 21, and the cooling water flows upward and pushes the stopper 235 so that the cooling water can flow out from the water outlet pipe 11. When the temperature of the cooling water is high, the heat sensitive medium expands to push the piston 233, so that the telescopic rod 234 and the stop block 235 move upwards, the water outlet between the stop block 235 and the water outlet pipe 11 is increased, and the flow of the cooling water is increased. Further, manually rotating the rotating handle 212 at the bottom of the inner tube body 2 can adjust the position of the inner tube body 2 in the outer tube body 1, thereby adjusting the flow rate of the cooling water.
According to the invention, the cooling water is stirred by the cyclone sheet, the phenomenon of unsmooth water flow is avoided, the temperature of the cooling water is sensed by the thermosensitive medium, the piston is pushed to move up and down by the thermal expansion and contraction of the thermosensitive medium, and the water outlet of the water outlet pipe is regulated, so that the purpose that the flow of the cooling water changes along with the water temperature is achieved.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (3)
1. A water flow regulating device of a dry type sealed vacuum unit is characterized in that: including outer body (1) and be located the inside interior body (2) of outer body (1), the upper segment and the lower segment side of outer body (1) are equipped with outlet pipe (11) and income water pipe (12) that are linked together with the inside through-hole of outer body (1) respectively, the top and the bottom of outer body (1) be equipped with a plurality of springs (232) respectively by last end cap (13) and lower end cap (14) shutoff, interior body (2) include first interior step pipe (21), second interior step pipe (22) and third interior step pipe (23), the bottom of first interior step pipe (21) be fixed with screw rod (211), end cap (14) and be equipped with twist grip (212) down are worn to the other end of screw rod (211), the inside lower extreme of third interior step pipe (23) is equipped with separation blade (231), the top surface of separation blade (231) is fixed with a plurality of springs (232), the other end and piston (233) are connected with the flexible pole (234) that is fixed at the top of piston (233), the other end (234) are fixed with screw rod (211) and are equipped with medium for first interior step pipe (121), medium is gone into to heat-sensitive medium (121), medium is gone into to the first step pipe (121), medium is gone into to the medium is filled into to the first step pipe (121), medium is filled with medium into in advance The second water inlet step pipe (122), the third water inlet step pipe (123) and the fourth water inlet step pipe (124), the diameter of the second water inlet step pipe (122) is consistent with the diameter of the fourth water inlet step pipe (124) and is larger than the diameter of the first water inlet step pipe (121), the third water inlet step pipe (123) is in a horn shape, a large opening and a small opening are respectively connected with the fourth water inlet step pipe (124) and the second water inlet step pipe (122), and a cyclone sheet (125) is arranged in the second water inlet step pipe (122).
2. The water flow regulating device of a dry seal vacuum unit as claimed in claim 1, wherein: the diameter of the first inner step pipe (21) is larger than that of the third inner step pipe (23), the second inner step pipe (22) is in a horn shape, and the large opening and the small opening are respectively connected with the first inner step pipe (21) and the third inner step pipe (23).
3. The water flow regulating device of a dry seal vacuum unit as claimed in claim 1, wherein: the lower plug (14) is provided with a threaded hole for a screw rod (211) to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811226225.3A CN109027404B (en) | 2018-10-22 | 2018-10-22 | Water flow regulating device of dry type sealing vacuum unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811226225.3A CN109027404B (en) | 2018-10-22 | 2018-10-22 | Water flow regulating device of dry type sealing vacuum unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109027404A CN109027404A (en) | 2018-12-18 |
| CN109027404B true CN109027404B (en) | 2023-08-25 |
Family
ID=64613517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811226225.3A Active CN109027404B (en) | 2018-10-22 | 2018-10-22 | Water flow regulating device of dry type sealing vacuum unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109027404B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201547256U (en) * | 2009-12-13 | 2010-08-11 | 宁波昌华铜制品有限公司 | Temperature-controlled passive automatic flow regulating valve |
| CN201982788U (en) * | 2011-04-06 | 2011-09-21 | 上虞市派特阀门有限公司 | Temperature-sensing pipe |
| CN202091556U (en) * | 2011-05-30 | 2011-12-28 | 厦门松霖科技有限公司 | Anti-jamming temperature control valve |
| CN205689881U (en) * | 2016-06-27 | 2016-11-16 | 艾欧史密斯(中国)热水器有限公司 | Outlet pipe |
| CN208951406U (en) * | 2018-10-22 | 2019-06-07 | 浙江嘉化新材料有限公司 | A kind of flow promoter regulator of dry-type encapsulated vacuum pump set |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100408153B1 (en) * | 2001-08-14 | 2003-12-01 | 주식회사 우성진공 | Dry vacuum pump |
-
2018
- 2018-10-22 CN CN201811226225.3A patent/CN109027404B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201547256U (en) * | 2009-12-13 | 2010-08-11 | 宁波昌华铜制品有限公司 | Temperature-controlled passive automatic flow regulating valve |
| CN201982788U (en) * | 2011-04-06 | 2011-09-21 | 上虞市派特阀门有限公司 | Temperature-sensing pipe |
| CN202091556U (en) * | 2011-05-30 | 2011-12-28 | 厦门松霖科技有限公司 | Anti-jamming temperature control valve |
| CN205689881U (en) * | 2016-06-27 | 2016-11-16 | 艾欧史密斯(中国)热水器有限公司 | Outlet pipe |
| CN208951406U (en) * | 2018-10-22 | 2019-06-07 | 浙江嘉化新材料有限公司 | A kind of flow promoter regulator of dry-type encapsulated vacuum pump set |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109027404A (en) | 2018-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114370955A (en) | An oilfield temperature transmitter with efficient heat dissipation | |
| CN204420972U (en) | A kind of automatic adjustable oxygen-eliminating device | |
| CN109027404B (en) | Water flow regulating device of dry type sealing vacuum unit | |
| CN206055958U (en) | A kind of head tank cooling system | |
| CN208951406U (en) | A kind of flow promoter regulator of dry-type encapsulated vacuum pump set | |
| CN105972004A (en) | Hydraulic heat exchange device with tubular heater | |
| CN205517848U (en) | Two spiral condensation pipe for experiments | |
| CN207711306U (en) | A kind of injection molding machine cooling device | |
| CN207281688U (en) | A kind of novel computer water-cooling heat radiating device | |
| CN204043433U (en) | A kind of self circulation cooling device | |
| CN214791028U (en) | Flash tank convenient to steam-water separation | |
| CN106151120B (en) | A kind of heat radiating type water tank suitable for water jet air ejector | |
| CN205807936U (en) | Anti-drying automatic water-cooling cooling structure | |
| CN208448710U (en) | A kind of gas and oil separating plant of transformer online monitoring | |
| CN209244925U (en) | A kind of energy-saving engine cooling water pump | |
| CN202323091U (en) | Air pumping cooling device | |
| CN208446493U (en) | The continuous boiling machine of soya-bean milk | |
| CN207071423U (en) | A kind of adjustable type rack for test tube | |
| CN206249110U (en) | A kind of efficient overflow mechanism | |
| CN204851365U (en) | Stifled quick jettison gear of oil pan check valve formula oil | |
| CN204128408U (en) | A kind of solvent preheater for grease lixiviating process | |
| CN216049404U (en) | Siphon device of cooling tower | |
| CN207906158U (en) | Low-temperature centrifugation liquid oxygen pump heat sink | |
| CN207159252U (en) | High temperature melting slag bath pressure relief device | |
| CN208205848U (en) | Leach workshop condenser cooling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |