CN220142982U - Circulating washing device for purifying hydrogen fluoride - Google Patents
Circulating washing device for purifying hydrogen fluoride Download PDFInfo
- Publication number
- CN220142982U CN220142982U CN202321488389.XU CN202321488389U CN220142982U CN 220142982 U CN220142982 U CN 220142982U CN 202321488389 U CN202321488389 U CN 202321488389U CN 220142982 U CN220142982 U CN 220142982U
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- China
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- liquid
- gas
- cavity
- pipe
- pump
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- 238000005406 washing Methods 0.000 title claims abstract description 45
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910000040 hydrogen fluoride Inorganic materials 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 97
- 239000007789 gas Substances 0.000 claims abstract description 80
- 238000000746 purification Methods 0.000 claims description 13
- 239000012141 concentrate Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 4
- 238000005201 scrubbing Methods 0.000 claims 6
- 238000005086 pumping Methods 0.000 claims 3
- 238000005507 spraying Methods 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 235000008504 concentrate Nutrition 0.000 description 6
- 235000014666 liquid concentrate Nutrition 0.000 description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a circulating type washing device for purifying hydrogen fluoride, which comprises a bracket, a washing tank, a gas circulating assembly and a liquid circulating assembly, wherein the internal circulation consists of a travel plate in a bottom liquid cavity and a top purifying cavity spraying device, the gas circulating assembly comprises a gas circulating pipe, a valve body and an air pipe, the liquid circulating assembly comprises a liquid circulating pump, a liquid inlet pipe and a liquid suction pipe, and the spraying device comprises a pressurizing pump, a liquid concentration cavity and a concentration cover. The utility model belongs to the technical field of hydrogen fluoride production, in particular to a circulating type washing device for purifying hydrogen fluoride, which effectively solves the problems that the residence time and the flow path of gas in a tower body cannot be effectively prolonged, and water washing liquid cannot be effectively contacted with the gas, so that the spraying and washing effects are poor in the prior art.
Description
Technical Field
The utility model belongs to the technical field of hydrogen fluoride production, and particularly relates to a circulating washing device for purifying hydrogen fluoride.
Background
When the rotary furnace is used for producing hydrogen fluoride, furnace gas from the rotary furnace contains various gases, sulfuric acid mist and solid residues entrained by gas flow, the mixed gases pass through a sulfuric acid absorption tower after a plurality of purification steps, tail gas from the sulfuric acid absorption tower contains a small amount of sulfur dioxide, silicon tetrafluoride and hydrogen fluoride, and water is used for absorbing the tail gas in a washing tower.
A water scrubber for absorbing and preparing tail gas generated by hydrogen fluoride, which is disclosed in Chinese patent publication No. CN211585940U, comprises a gas collecting bin, a through cavity, a conical cavity and the like. The utility model can spray and wash the sulfur dioxide, silicon tetrafluoride and hydrogen fluoride mixed gas in a surrounding three-dimensional way.
However, the prior art solutions described above have the following drawbacks: the residence time and the flowing path of the gas in the tower body cannot be effectively prolonged, and the water washing liquid cannot be effectively contacted with the gas sufficiently, so that the spraying and washing effects are poor.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides a circulating washing device for purifying hydrogen fluoride, which effectively solves the problems that the residence time and the flowing path of gas in a tower body cannot be effectively prolonged, and water washing liquid cannot be effectively contacted with the gas, so that the spraying washing effect is poor in the prior art.
In order to realize the functions, the technical scheme adopted by the utility model is as follows: the utility model provides a circulating washing device for hydrogen fluoride purification, includes bracket, wash tank, gas circulation subassembly and liquid circulation subassembly, the wash tank is fixed to be set up on the bracket, wash tank one side is located to gas circulation subassembly, liquid circulation subassembly divide into liquid outer loop and inner loop, outer loop locates the wash tank and keeps away from one side of gas circulation subassembly, the inner loop is located in the wash tank, the baffle in the wash tank divide into bottom liquid chamber and top purification chamber with the cavity of wash tank, the inner loop comprises bottom liquid intracavity travel plate and top purification chamber spray set.
For carrying out gas filling, taking and circulating, the gas circulating assembly comprises a gas circulating pipe, a valve body and a gas pipe, one end of the gas circulating pipe is connected with a bottom liquid cavity, the other end of the gas circulating pipe is connected with a top purifying cavity, the valve body and a gas circulating pump are arranged in the middle of the gas circulating pipe, the gas pipes are respectively arranged on the gas circulating pipes on two sides of the valve body, and the gas pipes are respectively connected with a pump.
In order to utilize washing liquid high efficiency, improve washing efficiency, the liquid circulation subassembly includes liquid circulating pump, feed liquor pipe and drawing liquid pipe, the liquid circulating pump passes through the connecting plate to be fixed on the wash tank, bottom liquid chamber is connected to feed liquor pipe one end, and the liquid circulating pump is connected to the other end, and the liquid circulating pump is connected to drawing liquid pipe one end connection top purification chamber other end connection liquid circulating pump.
For multi-mode washing, spray set includes force (forcing) pump, liquid concentrate chamber and concentrate the cover, the force (forcing) pump is fixed to be located the one end that the drawing liquid pipe was located the top purification chamber, the output of force (forcing) pump is fixed to be located in liquid concentrate chamber, be equipped with the shower nozzle on the liquid concentrate chamber, concentrate the cover and fix on the baffle.
Further, the pump connected with the air pipe below the valve body is a gas input pump, and the pump connected with the air pipe above the valve body is a gas output pump.
Further, the travel plate is provided with a plurality of groups and is arranged on the inner wall of the liquid cavity at the bottom of the washing tank in a staggered manner, and one side of the travel plate is provided with a notch.
Further, the position that baffle and concentrated cover are connected is equipped with the through-hole, concentrated cover is the funnel form, the external diameter of liquid centralized cavity is less than the internal diameter of concentrated cover, concentrated cover parcel liquid centralized cavity sets up.
The beneficial effects obtained by the utility model by adopting the structure are as follows: according to the scheme, the gas circulation assembly is arranged for gas circulation and gas inlet and outlet, the liquid circulation assembly is arranged for liquid circulation, the circulating plate and the spraying device are arranged for washing in a multi-mode, and the circulating device is involved in circulation, so that the problems that the residence time and the flowing path of gas in a tower body cannot be effectively prolonged, water washing liquid cannot be effectively contacted with the gas, and the spraying washing effect is poor are solved.
Drawings
FIG. 1 is a schematic view showing the overall structure of a circulating washing apparatus for purifying hydrogen fluoride according to the present utility model;
fig. 2 is a cross-sectional view of a cyclic washing apparatus for purifying hydrogen fluoride according to the present utility model.
Wherein, 1, a bracket, 2, a washing tank, 3, a gas circulation component, 4, a liquid circulation component, 5, a baffle plate, 6, a travel plate, 7, a spraying device, 8 and a gas circulation pipe, 9, valve body, 10, trachea, 11, liquid circulating pump, 12, feed liquor pipe, 13, drawing liquid pipe, 14, force (forcing) pump, 15, liquid concentrate chamber, 16, concentrated cover.
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-2, the circulating type washing device for purifying hydrogen fluoride provided by the utility model comprises a bracket 1, a washing tank 2, a gas circulating assembly 3 and a liquid circulating assembly 4, wherein the washing tank 2 is fixedly arranged on the bracket 1, the gas circulating assembly 3 is arranged on one side of the washing tank 2, the liquid circulating assembly 4 is divided into an outer liquid circulation and an inner liquid circulation, the outer liquid circulation is arranged on one side of the washing tank 2 far away from the gas circulating assembly 3, the inner liquid circulation is arranged in the washing tank 2, a partition board 5 in the washing tank 2 divides the cavity of the washing tank 2 into a bottom liquid cavity and a top purifying cavity, the inner liquid circulation consists of a travel plate 6 in the bottom liquid cavity and a top purifying cavity spraying device 7, the travel plate 6 is provided with a plurality of groups and is arranged on the inner wall of the bottom liquid cavity of the washing tank 2 in a staggered manner, and one side of the travel plate 6 is provided with a notch.
The gas circulation assembly 3 comprises a gas circulation pipe 8, a valve body 9 and a gas pipe 10, one end of the gas circulation pipe 8 is connected with a bottom liquid cavity, the other end of the gas circulation pipe is connected with a top purifying cavity, the middle of the gas circulation pipe is provided with the valve body 9 and a gas circulation pump, the gas circulation pipes 8 on two sides of the valve body 9 are respectively provided with the gas pipe 10, the gas pipes 10 below the valve body 9 are respectively connected with a pump, the gas pipes 10 above the valve body 9 are connected with a gas output pump, hydrogen fluoride gas is filled into the gas pipes 10 through the pump on the bottom when the valve body 9 is closed, the gas returns to the gas circulation pipe 8 after being sprayed to a concentrated cover 16, the gas is led out by the pump on the gas pipe 10 on the upper side of the valve body 9 after the purifying is finished, the valve body 9 is started in the gas circulation state, the gas circulation pump operates, and the gas pipe 10 is sealed by a plug.
The liquid circulation assembly 4 comprises a liquid circulation pump 11, a liquid inlet pipe 12 and a liquid suction pipe 13, the liquid circulation pump 11 is fixed on the washing tank 2 through a connecting plate, one end of the liquid inlet pipe 12 is connected with a liquid cavity at the bottom, the other end of the liquid inlet pipe is connected with the liquid circulation pump 11, one end of the liquid suction pipe 13 is connected with a top purification cavity, the other end of the liquid suction pipe is connected with the liquid circulation pump 11, and the liquid circulation pump 11 operates to pump washing liquid at the bottom of the washing tank 2 to the position of the liquid inlet pipe 12.
The spraying device 7 comprises a pressure pump 14, a liquid concentration cavity 15 and a concentration cover 16, wherein the pressure pump 14 is fixedly arranged at one end of the liquid suction pipe 13, which is positioned at the top of the purification cavity, the liquid concentration cavity 15 is fixedly arranged at the output end of the pressure pump 14, a spray head is arranged on the liquid concentration cavity 15, the concentration cover 16 is fixedly arranged on the partition board 5, and the washing liquid from the liquid inlet pipe 12 is sprayed at the concentration cover 16 under the action of the pressure pump 14 to purify the gas once from the lower part.
The baffle 5 and concentrate the position that cover 16 connects and be equipped with the through-hole, concentrate the cover 16 and be the funnel-shaped, the external diameter of liquid concentrate the chamber 15 is less than the internal diameter that concentrates the cover 16, concentrate the cover 16 parcel liquid concentrate the chamber 15 setting.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (7)
1. The utility model provides a circulating washing device for hydrogen fluoride purification, includes bracket, wash tank, gas circulation subassembly and liquid circulation subassembly, the wash tank is fixed to be set up on the bracket, gas circulation subassembly locates wash tank one side, its characterized in that: the liquid circulation assembly is divided into an outer liquid circulation and an inner liquid circulation, the outer liquid circulation is arranged on one side, far away from the gas circulation assembly, of the washing tank, the inner liquid circulation is arranged in the washing tank, the cavity of the washing tank is divided into a bottom liquid cavity and a top purification cavity by a partition plate in the washing tank, and the inner liquid circulation consists of a travel plate in the bottom liquid cavity and a top purification cavity spray device.
2. A recycle scrubbing apparatus for purifying hydrogen fluoride according to claim 1, wherein: the gas circulation assembly comprises a gas circulation pipe, a valve body and a gas pipe, one end of the gas circulation pipe is connected with a bottom liquid cavity, the other end of the gas circulation pipe is connected with a top purifying cavity, the valve body and the gas circulation pump are arranged in the middle, the gas circulation pipes on two sides of the valve body are respectively provided with the gas pipe, and the gas pipes are respectively connected with the pump.
3. A recycle scrubbing apparatus for purifying hydrogen fluoride according to claim 2, wherein: the liquid circulation assembly comprises a liquid circulation pump, a liquid inlet pipe and a liquid pumping pipe, wherein the liquid circulation pump is fixed on the washing tank through a connecting plate, one end of the liquid inlet pipe is connected with a bottom liquid cavity, the other end of the liquid inlet pipe is connected with the liquid circulation pump, one end of the liquid pumping pipe is connected with a top purifying cavity, and the other end of the liquid pumping pipe is connected with the liquid circulation pump.
4. A recycle scrubbing apparatus for purification of hydrogen fluoride according to claim 3, wherein: the spray device comprises a booster pump, a liquid concentration cavity and a concentration cover, wherein the booster pump is fixedly arranged at one end of the liquid suction pipe, which is positioned at the top of the purification cavity, the liquid concentration cavity is fixedly arranged at the output end of the booster pump, a spray head is arranged on the liquid concentration cavity, and the concentration cover is fixed on the partition plate.
5. A recycle scrubbing apparatus for purifying hydrogen fluoride according to claim 4, wherein: the pump connected with the air pipe below the valve body is a gas input pump, and the pump connected with the air pipe above the valve body is a gas output pump.
6. A recycle scrubbing apparatus for purifying hydrogen fluoride according to claim 5, wherein: the travel plates are provided with a plurality of groups and are arranged on the inner wall of the liquid cavity at the bottom of the washing tank in a staggered manner, and one side of each travel plate is provided with a notch.
7. A recycle scrubbing apparatus for purifying hydrogen fluoride according to claim 6, wherein: the baffle is equipped with the through-hole with concentrate the position that covers the connection, concentrate the cover and be the funnel form, the external diameter in liquid centralized cavity is less than the internal diameter of concentrating the cover, concentrate cover parcel liquid centralized cavity setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321488389.XU CN220142982U (en) | 2023-06-12 | 2023-06-12 | Circulating washing device for purifying hydrogen fluoride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321488389.XU CN220142982U (en) | 2023-06-12 | 2023-06-12 | Circulating washing device for purifying hydrogen fluoride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220142982U true CN220142982U (en) | 2023-12-08 |
Family
ID=89012234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321488389.XU Active CN220142982U (en) | 2023-06-12 | 2023-06-12 | Circulating washing device for purifying hydrogen fluoride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220142982U (en) |
-
2023
- 2023-06-12 CN CN202321488389.XU patent/CN220142982U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |