CN220276328U - Novel hydrogen fluoride stripping tower acid feeding device - Google Patents
Novel hydrogen fluoride stripping tower acid feeding device Download PDFInfo
- Publication number
- CN220276328U CN220276328U CN202320928989.7U CN202320928989U CN220276328U CN 220276328 U CN220276328 U CN 220276328U CN 202320928989 U CN202320928989 U CN 202320928989U CN 220276328 U CN220276328 U CN 220276328U
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- Prior art keywords
- hydrogen fluoride
- tank
- stripping tower
- acid
- discharge
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- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 229910000040 hydrogen fluoride Inorganic materials 0.000 title claims abstract description 100
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title description 2
- 239000002253 acid Substances 0.000 claims abstract description 69
- 239000007791 liquid phase Substances 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 230000008929 regeneration Effects 0.000 claims abstract description 13
- 238000011069 regeneration method Methods 0.000 claims abstract description 13
- 238000011084 recovery Methods 0.000 claims abstract description 9
- 238000004062 sedimentation Methods 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 5
- 238000005191 phase separation Methods 0.000 claims description 5
- 239000012071 phase Substances 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 2
- 238000005804 alkylation reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a novel acid feeding device of a hydrogen fluoride stripping tower, which belongs to the technical field of chemical industry and comprises a discharge tank of the hydrogen fluoride stripping tower, a discharge acid recovery tank and a hydrogen fluoride sedimentation tank; an acid storage tank is arranged in front of the discharge tank of the hydrogen fluoride stripping tower; the acid storage tank is connected with an acid inlet pipe between the discharge tank of the hydrogen fluoride stripping tower, and the acid inlet pipe comprises a vertical branch pipe and a horizontal branch pipe; the hydrogen fluoride stripping tower discharge tank is provided with a pressure display controller and a liquid level display controller, and a hydrogen fluoride regeneration and stripping tower top liquid pump is also arranged between the hydrogen fluoride stripping tower discharge tank and the hydrogen fluoride settling tank. The gas-liquid phase accurate separation of this application, whole set of equipment operation is smooth, and it is difficult for blockking up to advance sour pipe, overhauls conveniently, has improved work efficiency.
Description
Technical Field
The utility model belongs to the technical field of chemical industry, and particularly relates to a novel acid feeding device of a hydrogen fluoride stripping tower.
Background
The hydrogen fluoride stripping tower needs to convey hydrofluoric acid, namely an alkylation reaction catalyst, into a system through a pipeline during startup, and in the existing flow, the following defects exist:
1. the gas-liquid phase separation in the hydrogen fluoride stripping tower can not accurately influence the reaction efficiency of the subsequent process;
2. the hydrofluoric acid catalyst acid inlet pipe is vertically connected from the lower part and enters the discharge tank of the hydrogen fluoride stripping tower together with other reaction materials, but the acid inlet pipe is blocked after the service time is long, and the pipeline is required to be shut down again and dredged independently, so that the start-up time is prolonged, the working efficiency is reduced, and therefore, a device is needed to solve the problems.
Disclosure of Invention
In order to solve the problems, the utility model discloses a novel acid feeding device of a hydrogen fluoride stripping tower, a hydrofluoric acid catalyst enters a discharge tank of the hydrogen fluoride stripping tower from an acid storage tank through an optimized acid feeding pipeline, then gas and liquid phases are accurately separated through a pressure display controller and a liquid level display controller, liquid phase pressurization enters the discharge tank of the hydrogen fluoride stripping tower, gas phase enters a discharge acid recovery tank, the whole equipment operates smoothly, and the working efficiency is improved.
In order to achieve the above purpose, the specific technical scheme of the application is as follows:
the novel acid feeding device of the hydrogen fluoride stripping tower comprises a discharge tank of the hydrogen fluoride stripping tower, a discharge acid recovery tank and a hydrogen fluoride sedimentation tank; an acid storage tank is arranged in front of the discharge tank of the hydrogen fluoride stripping tower, and a hydrofluoric acid catalyst is arranged in the acid storage tank; the acid storage tank is connected with the acid inlet pipe between the discharge tanks of the hydrogen fluoride stripping tower, the acid inlet pipe comprises a vertical branch pipe and a horizontal branch pipe, the acid storage tank is positioned below the discharge tank of the hydrogen fluoride stripping tower, and the acid storage tank is conveyed into the discharge tank of the hydrogen fluoride stripping tower through the vertical branch pipe by the horizontal branch pipe;
the discharge tank of the hydrogen fluoride stripping tower is provided with a pressure display controller and a liquid level display controller, and is used for controlling gas-liquid phase separation; the gas phase enters a discharged acid recovery tank, and the liquid phase enters a hydrogen fluoride settling tank; and a liquid pump at the top of the hydrogen fluoride regeneration and stripping tower is arranged between the discharge tank of the hydrogen fluoride stripping tower and the hydrogen fluoride settling tank and is used for boosting the liquid phase, so that the liquid phase more smoothly enters the hydrogen fluoride settling tank.
Based on the technical characteristics, further, a hydrogen fluoride stripping tower top condenser and a hydrogen fluoride regeneration tower aftercooler are arranged in front of the acid storage tank, and the hydrogen fluoride regeneration tower aftercooler is connected with a circulating cooling water pipeline.
Based on the technical characteristics, further, the acid inlet pipe is provided with a 90-degree elbow between the vertical branch pipe and the horizontal branch pipe.
Based on the technical characteristics, preferably, the 90-degree elbow is connected with the vertical branch pipe and the horizontal branch pipe flange joint.
Based on the technical characteristics, preferably, a temperature display is arranged between the acid storage tank and the discharge tank of the hydrogen fluoride stripping tower.
Based on the technical characteristics, preferably, a flow display controller is further arranged between the discharge tank of the hydrogen fluoride stripping tower and the hydrogen fluoride settling tank.
Compared with the prior art, the beneficial effects of this application are:
the discharge tank of the hydrogen fluoride stripping tower is provided with a pressure display controller and a liquid level display controller, so that gas and liquid phases are effectively and accurately separated, and a hydrogen fluoride regeneration and stripping tower top liquid pump and a flow display controller are arranged on a liquid phase separation path, so that the flow of the liquid phase to the hydrogen fluoride settling tank is smoother, and the working efficiency is improved;
the acid inlet pipe between the acid storage tank and the discharge tank of the hydrogen fluoride stripping tower is changed from the original vertical insertion into the vertical branch pipe and the horizontal branch pipe, and then enters the discharge tank of the hydrogen fluoride stripping tower together with other reaction materials, so that the occurrence of blockage is reduced, the flange joints of all parts of the acid inlet pipe are connected, the tightness is good, and the overhaul difficulty is reduced even if the blockage occurs.
Drawings
FIG. 1 is a schematic flow diagram of a novel acid feeding device of a hydrogen fluoride stripping tower;
FIG. 2 is a schematic structural view of an acid inlet pipe in the utility model;
FIG. 3 is a schematic view of a part of the structure of the present utility model;
list of drawing identifiers:
1. standing a layering device; 2. a condenser at the top of the hydrogen fluoride stripping column; 3. acid storage tank; 4. a discharge tank of the hydrogen fluoride stripping tower; 5. discharging the acid recovery tank; 6. a hydrogen fluoride settling tank; 7. a temperature display; 8. a pressure display controller; 9. a liquid level display controller; 10. hydrogen fluoride regeneration and a liquid pump at the top of the stripping tower; 11. a flow display controller; 12. an acid inlet pipe; 1201. vertical branch pipes; 1202. a 90 degree elbow; 1203. a horizontal branch pipe; 1204. a flange joint; 13. an after cooler of the hydrogen fluoride stripping tower.
Detailed Description
The utility model will be further elucidated with reference to the following figures 1-3 and specific embodiments, which should be understood as being merely illustrative of the utility model and not limiting the scope thereof.
It should be noted that the words "upper", "lower", "left" and "right" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
As shown in fig. 1-3, a novel acid feeding device of a hydrogen fluoride stripping tower comprises a discharge tank 4 of the hydrogen fluoride stripping tower, a discharge acid recovery tank 5 and a hydrogen fluoride sedimentation tank 6; the static layering device 1 is arranged in front of the hydrogen fluoride stripping tower discharge tank 4, an acid storage tank 3 is arranged between the hydrogen fluoride stripping tower discharge tank 4 and the static layering device 1, and a hydrofluoric acid catalyst is arranged in the acid storage tank 3.
The acid storage tank 3 is connected with an acid inlet pipe 12 between the discharge tank 4 of the hydrogen fluoride stripping tower; the acid inlet pipe 12 comprises a vertical branch pipe 1201 and a horizontal branch pipe 1203. Preferably, the vertical branch pipe 1201 and the horizontal branch pipe 1203 are connected by a 90-degree elbow 1202, and the 90-degree elbow 1202 is connected with the vertical branch pipe 1201 and the horizontal branch pipe 1203 by a flange joint 1204. The acid inlet pipe between the acid storage tank and the discharge tank of the hydrogen fluoride stripping tower is changed from the original vertical insertion into the vertical branch pipe to the horizontal branch pipe, and then enters the discharge tank of the hydrogen fluoride stripping tower together with other reaction materials, the acid storage tank 3 is positioned below the discharge tank 4 of the hydrogen fluoride stripping tower, and firstly, the acid is conveyed into the discharge tank 4 of the hydrogen fluoride stripping tower through the vertical branch pipe 1201 and the horizontal branch pipe 1203 together with other materials, so that the occurrence of blockage is reduced, the flange joints of all parts of the acid inlet pipe are connected, the sealing performance is good, and the overhaul difficulty is reduced even if the blockage occurs.
The discharge tank 4 of the hydrogen fluoride stripping tower is provided with a pressure display controller 8 and a liquid level display controller 9, and is used for controlling the separation of gas and liquid phases, wherein the gas phase enters the discharge acid recovery tank 5, and the liquid phase enters the hydrogen fluoride settling tank 6; the hydrogen fluoride stripping tower is characterized in that a hydrogen fluoride regeneration and stripping tower top liquid pump 10 is further arranged between the hydrogen fluoride stripping tower discharge tank 4 and the hydrogen fluoride settling tank 6 and used for pressurizing liquid phase, so that the liquid phase can smoothly enter the hydrogen fluoride settling tank, and preferably, a flow display controller 11 is further arranged between the hydrogen fluoride stripping tower discharge tank 4 and the hydrogen fluoride settling tank 6 and used for detecting flow of the liquid tank. The whole equipment operates smoothly, gas and liquid phases are separated accurately, and the working efficiency is improved.
Preferably, a hydrogen fluoride stripping tower top condenser 2 and a hydrogen fluoride regeneration tower aftercooler 13 are arranged between the standing layering device 1 and the acid storage tank 3, and the hydrogen fluoride regeneration tower aftercooler 13 is connected with a circulating cooling water pipeline.
In summary, according to the novel acid feeding device of the hydrogen fluoride stripping tower, 1, the discharge tank of the hydrogen fluoride stripping tower is provided with the pressure display controller and the liquid level display controller, so that gas and liquid phases are effectively and accurately separated, and the liquid pump and the flow display controller at the top of the hydrogen fluoride regeneration and stripping tower are arranged on the path of liquid phase separation, so that the flow from the liquid phase to the hydrogen fluoride settling tank is smoother, and the working efficiency is improved;
the acid inlet pipe between the acid storage tank and the discharge tank of the hydrogen fluoride stripping tower is changed from the original vertical insertion into the vertical branch pipe and the horizontal branch pipe, and then enters the discharge tank of the hydrogen fluoride stripping tower together with other reaction materials, so that the occurrence of blockage is reduced, the flange joints of all parts of the acid inlet pipe are connected, the tightness is good, the overhaul difficulty is reduced even if the blockage occurs, and the device is worthy of popularization and application.
It should be noted that the drawings merely illustrate the technical idea of the utility model and the shape is not intended to limit the scope of the utility model, and those skilled in the art can make several improvements and modifications without departing from the principles of the utility model, which fall within the scope of the claims of the utility model.
Claims (6)
1. The utility model provides a novel hydrogen fluoride stripping tower advances sour device which characterized in that: comprises a discharge tank of the hydrogen fluoride stripping tower, a discharge acid recovery tank and a hydrogen fluoride sedimentation tank; an acid storage tank is arranged in front of the discharge tank of the hydrogen fluoride stripping tower, a hydrofluoric acid catalyst is filled in the acid storage tank, the acid storage tank is connected with an acid inlet pipe between the discharge tank of the hydrogen fluoride stripping tower, the acid inlet pipe comprises a vertical branch pipe and a horizontal branch pipe, the acid storage tank is positioned below the discharge tank of the hydrogen fluoride stripping tower, and the acid storage tank is conveyed into the discharge tank of the hydrogen fluoride stripping tower from the horizontal branch pipe through the vertical branch pipe;
the discharge tank of the hydrogen fluoride stripping tower is provided with a pressure display controller and a liquid level display controller, and is used for controlling gas-liquid phase separation; the gas phase enters a discharged acid recovery tank, and the liquid phase enters a hydrogen fluoride settling tank; and a liquid pump at the top of the hydrogen fluoride regeneration and stripping tower is arranged between the discharge tank of the hydrogen fluoride stripping tower and the hydrogen fluoride settling tank and is used for boosting the liquid phase, so that the liquid phase more smoothly enters the hydrogen fluoride settling tank.
2. The novel acid feeding device of the hydrogen fluoride stripping column according to claim 1, which is characterized in that: the acid storage tank is provided with a hydrogen fluoride stripping tower top condenser and a hydrogen fluoride regeneration tower aftercooler in front, and the hydrogen fluoride regeneration tower aftercooler is connected with a circulating cooling water pipeline.
3. The novel acid feeding device of the hydrogen fluoride stripping column according to claim 1, which is characterized in that: the acid inlet pipe is provided with a 90-degree elbow between the vertical branch pipe and the horizontal branch pipe.
4. A novel acid feeding device for a hydrogen fluoride stripping column according to claim 3, which is characterized in that: the 90-degree elbow is connected with the flange joint of the vertical branch pipe and the horizontal branch pipe.
5. The novel acid feeding device of the hydrogen fluoride stripping column according to claim 1, which is characterized in that: a temperature display is arranged between the acid storage tank and the discharge tank of the hydrogen fluoride stripping tower.
6. The novel acid feeding device of the hydrogen fluoride stripping column according to claim 1, which is characterized in that: and a flow display controller is also arranged between the discharge tank of the hydrogen fluoride stripping tower and the hydrogen fluoride settling tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320928989.7U CN220276328U (en) | 2023-04-23 | 2023-04-23 | Novel hydrogen fluoride stripping tower acid feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320928989.7U CN220276328U (en) | 2023-04-23 | 2023-04-23 | Novel hydrogen fluoride stripping tower acid feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220276328U true CN220276328U (en) | 2024-01-02 |
Family
ID=89343235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320928989.7U Active CN220276328U (en) | 2023-04-23 | 2023-04-23 | Novel hydrogen fluoride stripping tower acid feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220276328U (en) |
-
2023
- 2023-04-23 CN CN202320928989.7U patent/CN220276328U/en active Active
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