CN221310609U - Quenching circulation device - Google Patents
Quenching circulation device Download PDFInfo
- Publication number
- CN221310609U CN221310609U CN202322891015.9U CN202322891015U CN221310609U CN 221310609 U CN221310609 U CN 221310609U CN 202322891015 U CN202322891015 U CN 202322891015U CN 221310609 U CN221310609 U CN 221310609U
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- Prior art keywords
- pipeline
- tower
- heat exchanger
- circulation device
- quench
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- 238000010791 quenching Methods 0.000 title claims abstract description 60
- 230000000171 quenching effect Effects 0.000 title claims abstract description 36
- 239000002253 acid Substances 0.000 claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000012856 packing Methods 0.000 claims abstract description 10
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims 2
- 238000000926 separation method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229920000642 polymer Polymers 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000009835 boiling Methods 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- 238000012546 transfer Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The application relates to a quenching circulation device which comprises a quenching tower, an acid receiving tank, a packing tower, a heat exchanger and a filter, wherein a feed inlet is arranged on the quenching tower, a spraying assembly for quenching materials is arranged in the quenching tower, the quenching tower is connected with the acid receiving tank through a connecting pipeline, an air supply pipeline for conveying gas is arranged between the quenching tower and the acid receiving tank, the acid receiving tank is connected with the packing tower through an air supply pipeline, the acid receiving tank is connected with the heat exchanger through a conveying pipeline, the heat exchanger is connected with the filter through a conveying pipeline, and the filter is connected with the spraying assembly through a circulating pipeline. The application has the following effects: hydrochloric acid is adopted to spray materials sent to the quenching tower in a circulating way through a metal spray pipe for rapid cooling, gas-liquid separation and polymer stripping are realized, liquid is sprayed in a circulating way after being cooled through a heat exchanger and filtered by a filter, and a small amount of high-boiling substances are discharged through the filter, so that equipment blockage is reduced, the production efficiency is improved, and the production cost is reduced.
Description
Technical Field
The application relates to the field of chemical equipment, in particular to a quenching circulation device.
Background
In industrial production, in the process of preparing tetrafluoroethylene, an intermediate product is often required to be cooled, a graphite heat exchanger is conventionally adopted, a circulating water refrigerant is adopted for cooling, but the cooling effect is poor, and the effect of HCL absorption is still influenced due to the fact that the temperature is still too high in the heat exchange process, and in addition, the fluorowax can be formed in the graphite heat exchanger to be adhered to the inner wall of the graphite heat exchanger, so that a heat exchanger pipeline is blocked, and frequent shutdown and maintenance are required.
Disclosure of utility model
In order to solve the problem that the heat exchanger is easy to be blocked due to the fact that the graphite heat exchanger is directly adopted for heat exchange, the application provides a quenching circulation device.
The application provides a quenching circulation device which adopts the following technical scheme:
The utility model provides a quenching circulation device, includes quench tower, sour groove, packing tower, heat exchanger and filter, be equipped with the feed inlet on the quench tower, be equipped with in the quench tower and be used for carrying out the spray assembly of rapid cooling to the material, the quench tower with sour groove passes through the connecting line and connects, be equipped with the gas supply pipeline that is used for conveying gas between quench tower and the sour groove, sour groove passes through gas transmission pipeline with the packing tower and is connected, sour groove passes through the conveying pipeline with the heat exchanger and is connected, the heat exchanger passes through the conveying pipeline with the filter and is connected, be connected through circulating line between filter and the spray assembly.
In a specific embodiment, the spray assembly includes a metal spray tube disposed within the quench tower for spraying the hydrochloric acid solution, the metal spray tube being connected to the circulation line.
In a specific embodiment, the acid receiving tank is provided with a pressure remote meter, a thermometer and a liquid level meter respectively.
In a specific implementation manner, the conveying pipeline comprises a first pipeline and a second pipeline, a circulating pump is arranged between the first pipeline and the second pipeline, one end of the first pipeline is connected with the acid receiving tank, the other end of the first pipeline is connected with an inlet of the circulating pump, one end of the second pipeline is connected with an outlet of the circulating pump, and the other end of the second pipeline is connected with the heat exchanger.
In a specific implementation manner, the first pipeline and the second pipeline are respectively provided with a three-way pipe, two three-way pipes are respectively provided with a standby pipeline, two standby pipelines are connected through a standby pump, and two standby pipelines are respectively provided with a valve.
In a specific embodiment, the second pipeline is provided with a pressure remote meter and a regulating valve respectively, and the regulating valve is provided with a bypass.
In a specific implementation manner, the second pipeline and the conveying pipeline are provided with three-way connectors, two three-way connectors are provided with standby pipelines, and the two standby pipelines are connected through a heat exchanger.
In a specific embodiment, the circulation pipeline is provided with a flowmeter and a pressure remote meter respectively.
In a specific embodiment, the feed inlet, the connecting line, the gas feed line and the transfer line are provided with thermometers.
In a specific embodiment, a discharge pipeline is arranged below the filter, regulating valves are respectively arranged on the discharge pipelines, and bypasses are arranged on the regulating valves.
In summary, the present application includes at least one of the following beneficial technical effects: the gas material is conveyed to the quenching tower, the gas material conveyed to the quenching tower is rapidly cooled by adopting the spraying assembly, partial substances are rapidly cooled to below a critical point, gas-liquid separation is realized, the gas part is finally discharged through the packing tower, the liquid after rapid cooling is further cooled by entering the heat exchanger, and the liquid is filtered by the filter and then enters the quenching tower again through the circulating pipeline for rapid cooling, so that the operations of rapid cooling of the material, gas-liquid separation and polymer removal are realized, equipment blockage is reduced, production efficiency is improved, and production cost is further reduced.
Drawings
FIG. 1 is a schematic diagram of a quench circulation apparatus in accordance with an embodiment of the present application.
Reference numerals illustrate: 1. a quenching tower; 10. a feed inlet; 11. a connecting pipeline; 12. a gas feed line; 2. an acid receiving tank; 20. a transfer line; 21. a first pipeline; 22. a second pipeline; 23. a circulation pump; 24. a standby pipeline; 25. a backup pump; 26. a spare line; 27. a heat exchanger; 3. a packed tower; 4. a heat exchanger; 40. a transfer line; 5. a filter; 50. a circulation line; 6. a spray assembly; 60. a metal spray pipe.
Detailed Description
The present application will be described in further detail with reference to fig. 1.
The embodiment of the application discloses a quenching circulation device.
Referring to fig. 1, a quenching cycle apparatus includes a quenching tower 1, an acid receiving tank 2, a circulation pump 23, a packed tower 3, a heat exchanger 4, and a filter 5.
The quenching tower 1 is provided with a feed inlet 10 for gas materials to enter, a spraying assembly 6 for quenching the materials is arranged in the quenching tower 1, the spraying assembly 6 comprises a metal spray pipe 60 arranged in the quenching tower 1, the metal spray pipe 60 is used for conveying hydrochloric acid solution, the metal spray pipe 60 is positioned above the feed inlet 10, and in the embodiment, the metal spray pipe 60 is a hose; the bottom wall of the quenching tower 1 is provided with a connecting pipeline 11 connected with the acid receiving tank 2, an air supply pipeline 12 for conveying air is arranged between the quenching tower 1 and the acid receiving tank 2, and one end of the air supply pipeline 12, which is close to the quenching tower 1, is positioned between the feed inlet 10 and the connecting pipeline 11.
The acid receiving tank 2 is respectively provided with a pressure remote meter, a thermometer and a liquid level meter. The packing tower 3 is arranged at the upper part of the acid receiving tank 2 and is connected with the acid receiving tank 2 through a gas transmission pipeline, and the outlet of the packing tower 3 is connected with a water washing tower working section.
The bottom wall of the acid receiving tank 2 is connected with the inlet of the heat exchanger 4 through a conveying pipeline 20, the heat exchanger 4 is a single-pass shell-and-tube heat exchanger 4 in the embodiment, a 15 ℃ refrigerant is adopted, and the parts of the shell, the tube bundle, the tube plate and the like are all made of graphite, so that the acid receiving tank has good corrosion resistance and heat conduction performance.
The conveying pipeline 20 comprises a first pipeline 21 and a second pipeline 22, a circulating pump 23 is arranged between the first pipeline 21 and the second pipeline 22, one end of the first pipeline 21 is connected with the acid receiving tank 2, the other end of the first pipeline is connected with an inlet of the circulating pump 23, one end of the second pipeline 22 is connected with an outlet of the circulating pump 23, and the other end of the second pipeline 22 is connected with the heat exchanger 4.
The first pipeline 21 and the second pipeline 22 are respectively provided with a three-way pipe, the two three-way pipes are respectively provided with a standby pipeline 24, the standby pipelines 24 are respectively provided with a valve, and the two standby pipelines 24 are connected through a standby pump 25; when the circulating pump 23 fails, the valve is opened, and the circulating pump 23 can convey the hydrochloric acid solution into the heat exchanger 4 along the first pipeline 21, the second pipeline 22 and the standby pipeline 26, so that the effect of influencing the rapid cooling separation of the device due to the damage of the circulating pump 23 can be avoided as much as possible.
In order to ensure the pressure of the quench cycle, a pressure remote gauge and a regulating valve are provided on the second line 22, respectively, and a bypass is provided on the regulating valve.
The outlet of the heat exchanger 4 is connected with the inlet of the filter 5 through a transmission pipeline 40, and a water return regulating valve is arranged on the transmission pipeline 40 so as to ensure that heat generated by the quenching circulation is removed in time.
The second pipeline 22 and the conveying pipeline 40 are respectively provided with a three-way joint, the two three-way joints are respectively provided with a standby pipeline 26, the two standby pipelines 26 are connected through a heat exchanger 27, and the heat exchanger 27 is a graphite exchanger in the embodiment; in order to prevent the heat exchanger 4 from being damaged and ensure timely removal of heat generated by the quenching cycle, the heat exchanger 27 is provided as a standby heat exchanger, so that the effect of quenching, cooling and separating of the device can be prevented from being influenced as much as possible.
The outlet of the filter 5 is connected with the metal spray pipe 60 through a circulation line 50.
A discharge pipeline is arranged below the filter 5, the rear part of the discharge pipeline is connected with a waste liquid treatment working section, the discharge pipeline is respectively provided with a regulating valve, and the regulating valve is provided with a bypass; thereby controlling the discharge amount of the waste hydrochloric acid.
The circulation line 50 is provided with a flowmeter and a pressure remote meter, respectively.
In this embodiment, in order to prevent corrosion of the piping equipment by the hydrochloric acid solution, PTFE lining materials are used for quench tower 1, metal lance 60, acid receiving tank 2, filter 5, etc.
For real-time monitoring, thermometers are provided on the feed port 10, the connecting line 11, the air feed line 12 and the transfer line 40.
The implementation principle of the quenching circulation device provided by the embodiment of the application is as follows: the gas material is conveyed to the quenching tower 1 from the feed inlet 10, the hydrochloric acid solution is sprayed to the gas material through the metal spray pipe 60, other materials are rapidly cooled in a quenching, separation and other modes, gas-liquid separation is realized, a gas part enters a post-washing tower working section through the packing tower 3, liquid is cooled through the heat exchanger 4, dissolved hydrochloric acid oligomer is liquefied, most of the liquid is circularly sprayed after being filtered by the filter 5, and a small amount of high-boiling matters are discharged to a waste liquid treatment working section through the filter 5, so that the operations of quenching cooling the gas material, gas-liquid separation and polymer removal are realized, equipment blockage is reduced, the production efficiency is improved, and the production cost is further reduced.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. A quench circulation device, characterized in that: including quench tower (1), sour groove (2), packing tower (3), heat exchanger (4) and filter (5), be equipped with feed inlet (10) on quench tower (1), be equipped with in quench tower (1) and be used for carrying out spray assembly (6) of rapid cooling to the material, quench tower (1) with sour groove (2) are connected through connecting line (11), be equipped with between quench tower (1) and the sour groove (2) and be used for carrying gas supply pipeline (12), sour groove (2) are connected through gas transmission pipeline with packing tower (3), sour groove (2) are connected through conveying pipeline (20) with heat exchanger (4), heat exchanger (4) are connected through conveying pipeline (40) with filter (5), be connected through circulating line (50) between filter (5) and the spray assembly.
2. The quench circulation device of claim 1, wherein: the spraying assembly (6) comprises a metal spray pipe (60) arranged in the quenching tower (1), the metal spray pipe (60) is used for conveying hydrochloric acid solution, and the metal spray pipe (60) is connected with the circulating pipeline (50).
3. The quench circulation device of claim 1, wherein: the acid receiving groove (2) is respectively provided with a pressure remote-transmission meter, a thermometer and a liquid level meter.
4. The quench circulation device of claim 1, wherein: the conveying pipeline (20) comprises a first pipeline (21) and a second pipeline (22), a circulating pump (23) is arranged between the first pipeline (21) and the second pipeline (22), one end of the first pipeline (21) is connected with the acid receiving tank (2), the other end of the first pipeline is connected with an inlet of the circulating pump (23), one end of the second pipeline (22) is connected with an outlet of the circulating pump (23), and the other end of the second pipeline is connected with the heat exchanger (4).
5. The quench circulation device of claim 4, wherein: the three-way pipe is arranged on the first pipeline (21) and the second pipeline (22), the standby pipelines (24) are arranged on the two three-way pipes, the two standby pipelines (24) are connected through the standby pump (25), and the valves are arranged on the two standby pipelines (24).
6. The quench circulation device of claim 4, wherein: the second pipeline (22) is respectively provided with a pressure remote meter and a regulating valve, and the regulating valve is provided with a bypass.
7. The quench circulation device of claim 4, wherein: and the second pipeline (22) and the conveying pipeline (40) are respectively provided with a three-way joint, the two three-way joints are respectively provided with a standby pipeline (26), and the two standby pipelines (26) are connected through a heat exchanger (27).
8. The quench circulation device of claim 1, wherein: and the circulating pipeline (50) is respectively provided with a flowmeter and a pressure remote-transmission meter.
9. The quench circulation device of claim 1, wherein: and the feeding hole (10), the connecting pipeline (11), the air supply pipeline (12) and the conveying pipeline (40) are respectively provided with a thermometer.
10. The quench circulation device of claim 1, wherein: a discharging pipeline is arranged below the filter (5), regulating valves are respectively arranged on the discharging pipeline, and a bypass is arranged on the regulating valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322891015.9U CN221310609U (en) | 2023-10-27 | 2023-10-27 | Quenching circulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322891015.9U CN221310609U (en) | 2023-10-27 | 2023-10-27 | Quenching circulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221310609U true CN221310609U (en) | 2024-07-12 |
Family
ID=91794700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322891015.9U Active CN221310609U (en) | 2023-10-27 | 2023-10-27 | Quenching circulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221310609U (en) |
-
2023
- 2023-10-27 CN CN202322891015.9U patent/CN221310609U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |