CN219784107U - Gas-liquid separation device for fluoride salt production tail gas - Google Patents
Gas-liquid separation device for fluoride salt production tail gas Download PDFInfo
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- CN219784107U CN219784107U CN202320619709.4U CN202320619709U CN219784107U CN 219784107 U CN219784107 U CN 219784107U CN 202320619709 U CN202320619709 U CN 202320619709U CN 219784107 U CN219784107 U CN 219784107U
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- gas
- collector
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- liquid separation
- turbine
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- 239000007788 liquid Substances 0.000 title claims abstract description 66
- 238000000926 separation method Methods 0.000 title claims abstract description 33
- 150000004673 fluoride salts Chemical class 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000005507 spraying Methods 0.000 claims abstract description 15
- 238000007790 scraping Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000010408 sweeping Methods 0.000 claims abstract description 8
- 229920000742 Cotton Polymers 0.000 claims description 11
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002253 acid Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229940104869 fluorosilicate Drugs 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to a gas-liquid separation device for tail gas from fluoride salt production. The gas-liquid separation device of the fluoride salt production tail gas comprises: the shell is provided with an air inlet pipe, an air outlet pipe and a liquid outlet pipe, the shell is internally provided with air ejector pipes which are circumferentially arranged along the shell, and the air ejector pipes are provided with a plurality of air ejector holes; the collector is in a conical structure with a large upper part and a small lower part, and is positioned inside the gas spraying pipe so that gas sprayed from the gas spraying holes is sprayed onto the outer wall of the collector; the liquid sweeping mechanism comprises a turbine, a scraping plate, a connecting pipe and a booster pump, wherein the turbine is rotatably arranged at the lower end of the collector, the scraping plate is tightly attached to the outer wall of the collector, the scraping plate is fixedly connected with a rotating shaft of the turbine, one end of the connecting pipe is connected with an air outlet pipe, the other end of the connecting pipe is positioned on one side of the turbine, and the booster pump is arranged on the connecting pipe. The utility model can carry out multiple gas-liquid separation on the tail gas in the air outlet pipe, and improves the gas-liquid separation effect of the tail gas produced by fluoride salt.
Description
Technical Field
The utility model belongs to the technical field of gas-liquid separation devices, and particularly relates to a gas-liquid separation device for tail gas generated in fluoride salt production.
Background
Fluoride salts have wide application in industry due to their particular chemical and physical properties. The fluoride salt produced at the present stage mainly takes fluorosilicate as a fluorine source to form fluorosilicic acid, and then the corresponding fluoride salt is formed through reaction. But a large amount of tail gas is generated in the production process, and a large amount of fluosilicic acid liquid drops are contained in the tail gas and directly discharged to the outside to generate larger pollution, and a gas-liquid separator is generally adopted to treat the tail gas, so that the fluosilicic acid content is reduced. When the existing gas-liquid separator performs gas-liquid separation on the tail gas treatment of fluoride salt production, when the liquid in the tail gas is not completely separated, the gas is discharged to the outside of the gas-liquid separator, so that the separation effect of the gas-liquid separator cannot reach the optimal state, and the separation effect of the gas-liquid separator is lower.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a gas-liquid separation device for tail gas generated in fluoride salt production.
The utility model relates to a gas-liquid separation device for tail gas from fluoride production, which comprises the following technical scheme:
a gas-liquid separation device for fluoride salt production tail gas, comprising:
the gas-injection device comprises a shell, wherein the shell is provided with a gas inlet pipe, a gas outlet pipe and a liquid outlet pipe, gas injection pipes which are circumferentially arranged along the shell are arranged in the shell, and a plurality of gas injection holes are formed in the gas injection pipes;
the collector is in a conical structure with a large upper part and a small lower part, and is positioned inside the gas spraying pipe so that gas sprayed from the gas spraying holes is sprayed onto the outer wall of the collector;
the liquid sweeping mechanism comprises a turbine, a scraping plate, a connecting pipe and a booster pump, wherein the turbine is rotatably arranged at the lower end of the collector, the scraping plate is tightly attached to the outer wall of the collector, the scraping plate is fixedly connected with a rotating shaft of the turbine, one end of the connecting pipe is connected with the air outlet pipe, the other end of the connecting pipe is positioned at one side of the turbine, and the booster pump is arranged on the connecting pipe.
The gas-liquid separation device for the tail gas generated in the fluoride salt production realizes primary gas-liquid separation through the collector, so that larger liquid drops in the tail gas can be rapidly separated, and the gas-liquid separation efficiency is improved. The tail gas separated by the collector realizes secondary separation under the action of gravity, and the tail gas after large liquid drops are removed is subjected to secondary separation by gravity, so that the secondary separation effect and efficiency are improved. The liquid sweeping mechanism is driven by the gas in the gas outlet pipe, so that on one hand, the gas-liquid separation can be carried out on the tail gas in the gas outlet pipe again, and the improvement of the gas-liquid separation effect of the tail gas is facilitated; on the other hand, a driving mechanism is not required to be arranged, and the use cost is reduced.
Further, the liquid sweeping mechanism comprises a fixing frame, the fixing frame comprises a horizontal section and two inclined sections which are respectively and fixedly connected with two ends of the horizontal section, two scraping plates are arranged, the two scraping plates are fixedly connected with the inner sides of the inclined sections, and the horizontal section is fixedly connected with a rotating shaft of the turbine.
The scraper blade has two, and two scrapers pass through the pivot fixed connection of mount and turbine, and two scrapers have improved the drop on the collector and have scraped effect and efficiency.
Further, the collector comprises a conical barrel with a large upper part and a small lower part and a cover plate fixedly connected to the upper end of the conical barrel, the lower end of the conical barrel is sealed, the turbine is rotatably installed at the center of the lower end of the conical barrel through a bearing, and the cover plate is fixedly connected with the shell through a fixing rod.
The collector adopts the structure, reduces the weight of the collector and reduces the influence of the temperature on the collector.
Further, the shell comprises a cylindrical section and a conical section which is connected with the lower end of the cylindrical section and is large in upper part and small in lower part, the liquid outlet pipe is fixedly connected with the lower end of the conical section, the collector is located on the cylindrical section, and the collector and the cylindrical section are coaxially arranged.
The shell adopts the structure, and the separated liquid can flow out from the liquid outlet pipe.
Further, a liquid outlet valve is arranged on the liquid outlet pipe, an air inlet valve is arranged on the air inlet pipe, and an air outlet valve is arranged on the air outlet pipe.
The liquid outlet valve, the air inlet valve and the air outlet pipe are arranged, so that the on-off of the liquid outlet pipe, the air inlet pipe and the air outlet pipe can be controlled.
Further, an adsorption cotton net positioned on the upper side of the collector is arranged in the shell.
The adsorption cotton net is arranged, so that partial acid in the tail gas can be absorbed, and the influence on the external environment is reduced.
Further, the inner wall of the shell is provided with a supporting edge for supporting the adsorption cotton net, the outer wall of the shell is provided with a replacement opening for taking and placing the adsorption cotton net, and the replacement opening is provided with a sealing plate.
The replacement port and the sealing plate are arranged, so that the adsorption cotton net can be replaced.
Drawings
FIG. 1 is a schematic diagram of the structure of a gas-liquid separation device of the tail gas from the production of fluoride salt of the present utility model;
FIG. 2 is an enlarged view at A in FIG. 1;
in the figure: 1. a housing; 2. a support column; 3. an air inlet pipe; 4. an intake valve; 5. a liquid outlet pipe; 6. a liquid outlet valve; 7. an air outlet pipe; 8. an air outlet valve; 9. a gas lance; 10. a gas injection hole; 11. a conical cylinder; 12. a cover plate; 13. a fixed rod; 14. a turbine; 15. a fixing frame; 16. a scraper; 17. a connecting pipe; 18. a booster pump; 19. adsorbing cotton net; 20. a support edge; 21. and (5) sealing the plate.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
the specific embodiment of the gas-liquid separation device for the tail gas of fluoride salt production, as shown in fig. 1 and 2, comprises a shell 1, a liquid sweeping mechanism and a collector. Wherein, casing 1 includes the cylindricality section, connects the toper section at the cylindricality section lower extreme, and the toper section is big-end-up structure. The upper end of the cylindrical section is provided with a sealing plate 21, the center of the sealing plate 21 is welded with an air outlet pipe 7, and the air outlet pipe 7 is provided with an air outlet valve 8. The lower extreme welding of toper section has drain pipe 5, installs drain valve 6 on the drain pipe 5. The outer wall welding of toper section has a plurality of support column 2, and a plurality of support column 2 are arranged along toper section circumference even interval.
In some embodiments, an air inlet pipe 3 is fixedly connected to the outer wall of the cylindrical section, and an air inlet valve 4 is mounted on the air inlet pipe 3. The inner wall of the cylindrical section is welded with gas spraying pipes 9 circumferentially arranged along the cylindrical section, the gas spraying pipes 9 are annular, the collector is positioned in the gas spraying pipes 9, and the gas spraying pipes 9 and the collector are coaxially arranged. The inner wall of the gas spraying pipe 9 is provided with a plurality of gas spraying holes 10, the axes of the plurality of gas spraying holes 10 extend along the horizontal direction, and the plurality of gas spraying holes 10 are uniformly arranged at intervals along the circumferential direction of the gas spraying pipe 9. The end of the air inlet pipe 3 extends into a cylindrical section which is communicated with an air jet pipe 9. The tail gas in the air inlet pipe 3 enters the air jet pipe 9 and is blown to the outer wall of the collector from the air jet holes 10 on the air jet pipe 9.
In some embodiments, the collector comprises a conical cylinder 11 and a cover plate 12 fixedly connected to the upper end of the conical cylinder 11, the upper end of the conical cylinder 11 is sealed, and a plurality of fixing rods 13 are fixedly connected to the outer wall of the cover plate 12. One end of the plurality of fixing rods 13 far away from the cover plate 12 is welded and fixed with the inner wall of the shell 1, so that the collector is fixedly connected with the shell 1.
In some embodiments, an absorbent web 19 is provided within the cylindrical section of the housing 1, the absorbent web 19 being located on the upper side of the collector. A support edge 20 is welded on the inner wall of the cylindrical section of the shell 1, and the absorbent web 19 is placed on the support edge 20. The outer wall of the shell 1 is provided with a replacement opening positioned at the upper side of the support edge 20, the adsorption cotton net 19 can be taken and placed through the replacement opening, the shell 1 is provided with a sealing plate 21 for sealing the replacement opening, and the sealing plate 21 is fixed on the shell 1 through bolts.
In some embodiments, the liquid sweeping mechanism includes a turbine 14, a mount 15, a scraper 16, a connecting tube 17, and a booster pump 18. The rotating shaft of the turbine 14 is rotatably installed at the center of the lower end of the collector through a bearing, and the fixing frame 15 comprises a horizontal section and two inclined sections fixedly connected to two ends of the horizontal section. The central position of horizontal segment and the pivot fixed connection of turbine 14, two scraper blades 16 respectively fixed connection are on the inner wall of slope section, and scraper blade 16 is tight with the collector outer wall, and scraper blade 16 can scrape the liquid droplet on the collector outer wall along the collector outer wall rotation in-process. The upper end of the connecting pipe 17 is connected with the air outlet pipe 7, and the lower end extends into the shell 1 and is positioned at one side of the turbine 14. The air outlet of the connecting pipe 17 is directed horizontally towards the turbine 14. The booster pump 18 is installed on connecting pipe 17, and booster pump 18 can blow the turbine 14 after the gas pressure boost in the outlet duct 7, drives turbine 14 rotation.
When the gas-liquid separation device for the tail gas produced by the fluoride salt is used, the air inlet valve 4 is opened, the tail gas in the air inlet pipe 3 enters the air jet pipe 9 and is blown to the collector from the air jet holes 10 on the air jet pipe 9. The large liquid drops in the tail gas are gathered on the outer wall of the collector, the residual tail gas realizes gas-liquid separation under the action of gravity, and the residual tail gas is discharged from the air outlet pipe 7 after being adsorbed by the adsorption cotton net 19. In the process, the booster pump 18 is started, the booster pump 18 boosts the gas in the gas outlet pipe 7 and then ejects the gas from the connecting pipe 17, and the ejected gas drives the turbine 14 to rotate. The turbine 14 drives the fixing frame 15 and the scraping plate 16 on the fixing frame 15 to rotate, liquid drops on the outer wall of the collector are scraped off, and the scraped liquid drops and liquid separated under the action of gravity flow out of the liquid outlet pipe 5.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.
Claims (7)
1. A gas-liquid separation device of fluoride salt production tail gas, which is characterized by comprising:
the gas-injection device comprises a shell, wherein the shell is provided with a gas inlet pipe, a gas outlet pipe and a liquid outlet pipe, gas injection pipes which are circumferentially arranged along the shell are arranged in the shell, and a plurality of gas injection holes are formed in the gas injection pipes;
the collector is in a conical structure with a large upper part and a small lower part, and is positioned inside the gas spraying pipe so that gas sprayed from the gas spraying holes is sprayed onto the outer wall of the collector;
the liquid sweeping mechanism comprises a turbine, a scraping plate, a connecting pipe and a booster pump, wherein the turbine is rotatably arranged at the lower end of the collector, the scraping plate is tightly attached to the outer wall of the collector, the scraping plate is fixedly connected with a rotating shaft of the turbine, one end of the connecting pipe is connected with the air outlet pipe, the other end of the connecting pipe is positioned at one side of the turbine, and the booster pump is arranged on the connecting pipe.
2. The gas-liquid separation device for tail gas from fluoride salt production according to claim 1, wherein the liquid sweeping mechanism comprises a fixing frame, the fixing frame comprises a horizontal section and two inclined sections fixedly connected to two ends of the horizontal section respectively, the number of the scraping plates is two, the two scraping plates are fixedly connected to the inner sides of the inclined sections, and the horizontal section is fixedly connected with a rotating shaft of the turbine.
3. The gas-liquid separation device for tail gas from fluoride salt production according to claim 2, wherein the collector comprises a conical cylinder with a large upper part and a small lower part and a cover plate fixedly connected to the upper end of the conical cylinder, the lower end of the conical cylinder is sealed, the turbine is rotatably installed at the center position of the lower end of the conical cylinder through a bearing, and the cover plate is fixedly connected with the shell through a fixing rod.
4. The gas-liquid separation device for tail gas from fluoride salt production according to claim 1, wherein the shell comprises a cylindrical section and a conical section which is connected with the lower end of the cylindrical section and is big in top and small in bottom, the liquid outlet pipe is fixedly connected with the lower end of the conical section, the collector is positioned on the cylindrical section, and the collector and the cylindrical section are coaxially arranged.
5. The gas-liquid separation device for tail gas from fluoride salt production according to claim 4, wherein the liquid outlet pipe is provided with a liquid outlet valve, the air inlet pipe is provided with an air inlet valve, and the air outlet pipe is provided with an air outlet valve.
6. The gas-liquid separation device for tail gas from fluoride salt production of claim 1, wherein an adsorption cotton net is arranged in the shell and is positioned on the upper side of the collector.
7. The gas-liquid separation device for tail gas from fluoride salt production according to claim 6, wherein a supporting edge for supporting the adsorption cotton net is arranged on the inner wall of the shell, a replacement opening for taking and placing the adsorption cotton net is arranged on the outer wall of the shell, and a sealing plate is arranged on the replacement opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320619709.4U CN219784107U (en) | 2023-03-26 | 2023-03-26 | Gas-liquid separation device for fluoride salt production tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320619709.4U CN219784107U (en) | 2023-03-26 | 2023-03-26 | Gas-liquid separation device for fluoride salt production tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219784107U true CN219784107U (en) | 2023-10-03 |
Family
ID=88151833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320619709.4U Active CN219784107U (en) | 2023-03-26 | 2023-03-26 | Gas-liquid separation device for fluoride salt production tail gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219784107U (en) |
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2023
- 2023-03-26 CN CN202320619709.4U patent/CN219784107U/en active Active
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