CN213527773U - Acid gas mist catcher - Google Patents
Acid gas mist catcher Download PDFInfo
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- CN213527773U CN213527773U CN202021707925.7U CN202021707925U CN213527773U CN 213527773 U CN213527773 U CN 213527773U CN 202021707925 U CN202021707925 U CN 202021707925U CN 213527773 U CN213527773 U CN 213527773U
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- acid gas
- shell
- mist
- inlet pipe
- gas inlet
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Abstract
The utility model relates to an acid gas mist catcher, which comprises a shell, wherein one side of the shell is communicated with an acid gas inlet pipe, the top of the shell is communicated with an acid gas outlet pipe, and a mist catching layer is arranged in the shell and positioned between the acid gas inlet pipe and the acid gas outlet pipe; a rotational flow baffle is arranged in the shell and above the acid gas inlet valve, and the rotational flow baffle is used for guiding the acid gas to make tangential rotational flow motion along the inner wall of the shell; and a liquid outlet is also formed in the bottom of the shell. The utility model discloses with the impurity that sour gas wherein smugglies secretly through the cyclone separation and the filtration of mist trap, improved the cleanliness factor of sour gas, ensure the smooth and easy transport of sour gas, maintain the normal operating of low reaches process.
Description
Technical Field
The utility model relates to a filter equipment's technical field, more specifically says that it relates to an acid gas mist catcher.
Background
In a vacuum potassium carbonate desulfurization system, desulfurization liquid is contacted with coke oven gas in a desulfurization tower to absorb acid gases (hereinafter referred to as acid gas) such as hydrogen sulfide, hydrogen cyanide and the like in the gas, then the acid gas is heated in a regeneration tower, the acid gas is discharged from the top of the regeneration tower under the action of a vacuum pump, is condensed and cooled and is subjected to gas-liquid separation, and finally is pressurized by a vacuum pump and is sent to an acid preparation system. The desulfurization liquid can absorb oil impurities in the coal gas in the process of washing the coke oven gas, the oil impurities and the acid gas are heated, analyzed and enriched in the acid gas through the regeneration tower, and the oil impurities and the acid gas are pressurized through the vacuum pump and react in a pipeline behind the vacuum pump to generate organic salt impurities, so that the pipeline is blocked, the conveying resistance of the acid gas is increased, and the operation of the vacuum pump and the analysis of desulfurization are influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a sour gas mist catcher, sour gas is when this device, and the impurity that wherein smugglies secretly passes through mist catcher's cyclone and filtration has improved the cleanliness factor of sour gas, ensures the smooth and easy transport of sour gas, maintains the normal operating of low reaches process.
The above technical purpose of the present invention can be achieved by the following technical solutions: an acid gas mist catcher comprises a shell, wherein an acid gas inlet pipe is communicated with one side of the shell, an acid gas outlet pipe is communicated with the top of the shell, and a mist catching layer is arranged between the acid gas inlet valve and the acid gas outlet pipe in the shell; a rotational flow baffle is arranged in the shell and above the acid gas inlet valve, and the rotational flow baffle is used for guiding the acid gas to make tangential rotational flow motion along the inner wall of the shell; and a liquid outlet is also formed in the bottom of the shell.
In one embodiment, one side of the cyclone baffle is fixedly connected with the inner wall of the shell, the other side of the cyclone baffle extends downwards to form an arc surface, and two ends of the cyclone baffle extend outwards along the inner wall of the shell and cover the upper part of the acid gas inlet pipe.
In one embodiment, the bottom of the shell is of an inverted cone structure, and the liquid discharge port is located in the middle of the bottom of the shell.
In one embodiment, the mist catching layer comprises a mist catching layer support and a mist catching layer module which are arranged in sequence from bottom to top.
In one embodiment, the mist layer module comprises a plurality of layers of stainless steel metal mesh arranged in an overlapping manner.
In one embodiment, the housing is made of a corrosion resistant material.
In one embodiment, the top of the shell is provided with a detachable manhole.
In one embodiment, the top of the shell is communicated with a cleaning opening, and the cleaning opening is communicated with cleaning liquid.
In one embodiment, the cleaning port is located on one side of the top of the housing.
In one embodiment, the acid gas inlet pipe is provided with an acid gas inlet valve, and the acid gas outlet pipe is provided with an acid gas outlet valve.
To sum up, the utility model discloses following beneficial effect has:
1. the utility model discloses with the impurity that sour gas wherein smugglies secretly through the cyclone separation and the filtration of mist trap, improved the cleanliness factor of sour gas, ensure the smooth and easy transport of sour gas, maintain the normal operating of low reaches process.
2. The whole body is made of corrosion-resistant materials, so that the sour gas is prevented from leaking to cause sour gas poisoning due to corrosion of the sour gas to the shell, the sour gas enters from the middle of the mist catcher and flows upwards through a rotational flow under the blocking and flow guiding effects of the rotational flow baffle plate 4, partial impurities are primarily separated in the process of the sour gas, the sour gas is discharged to a water seal through a liquid discharge port, and finally, the entrained impurities are caught through the mist catching layer, so that the purpose of two-stage purification is achieved.
3. The acid gas passes through the mist catching layer, impurities in the acid gas are gradually caught due to continuous change of the flow direction, the mist catching layer module is placed on the mist catching layer support in an assembling mode, and the movement is prevented through the limit of the mist catching layer support and the self weight of the mist catching layer module.
4. The spray catcher is provided with a cleaning port, when the resistance of the spray catcher is increased, the spray catcher is stopped to be used, and cleaning liquid is added through the cleaning port to carry out online cleaning, so that manual cleaning of a disassembly manhole of the spray catcher is avoided.
Drawings
Fig. 1 is a front view of an acid gas mist catcher of the present invention;
fig. 2 is a top view of the acid gas mist catcher of the present invention.
In the figure: the device comprises a 1-acid gas inlet valve, a 2-shell, a 3-acid gas inlet pipe, a 4-cyclone baffle, a 5-mist catching layer support, a 6-mist catching layer module, a 7-manhole, an 8-cleaning port, a 9-acid gas outlet pipe, a 10-acid gas outlet valve and a 11-liquid discharge port.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
It should be noted that all the directional terms such as "upper" and "lower" referred to herein are used with respect to the view of the drawings, and are only for convenience of description, and should not be construed as limiting the technical solution.
As shown in fig. 1 and 2, an acid gas mist catcher comprises a shell 2, wherein one side of the shell 2 is communicated with an acid gas inlet pipe 3, the top of the shell 2 is communicated with an acid gas outlet pipe 9, and a mist catching layer is arranged in the shell 2 and positioned between the acid gas inlet pipe 3 and the acid gas outlet pipe 9; a rotational flow baffle 4 is arranged in the shell 2 corresponding to the upper part of the acid gas inlet pipe 3, and the rotational flow baffle 4 is used for guiding the acid gas to make tangential rotational flow motion along the inner wall of the shell 2; the bottom of the shell 2 is also provided with a liquid outlet 11. The utility model discloses with the impurity that sour gas wherein smugglies secretly through the cyclone separation and the filtration of mist trap, improved the cleanliness factor of sour gas, ensure the smooth and easy transport of sour gas, maintain the normal operating of low reaches process. Acid gas enters from the middle part of the mist catcher and flows upwards through the rotational flow under the blocking and flow guiding effects of the rotational flow baffle 4, partial impurities are primarily separated in the process of the acid gas, the acid gas is discharged to a water seal through the liquid discharge port 11, and finally the entrained impurities are trapped through the mist catching layer, so that the purpose of two-stage purification is achieved.
In this embodiment, one side of the cyclone baffle 4 is fixedly connected with the inner wall of the shell 2, the other side of the cyclone baffle 4 extends downwards to form an arc surface, and two ends of the cyclone baffle 4 extend outwards along the inner wall of the shell 2 and cover the upper part of the acid gas inlet pipe 3. The shape of the rotational flow baffle 4 prevents acid gas from directly entering the shell 2 to rise, and the acid gas must do tangential rotational flow motion along the guiding direction, so that the acid gas gradually rotates upwards to primarily remove excessive impurities, and the filtering burden of the mist catching layer is reduced. In addition, the rotational flow baffle 4 can be also arranged as a straight plate for convenient processing, so as to avoid the direct upward flow of the acid gas and prolong the retention time of the acid gas in the shell 2. The effect of forming rotational flow can be better realized by forming the shape of the cambered surface.
In this embodiment, the bottom of the casing 2 is an inverted cone structure, and the liquid discharge port 11 is located at the middle position of the bottom of the casing 2. The inverted cone structure can more easily make the gas-liquid mixture form cyclone separation, and can concentrate impurities, liquid and the like to the liquid discharge port 11 at the middle part for discharge. The mist catching layer comprises a mist catching layer bracket 5 and a mist catching layer module 6 which are arranged from bottom to top in sequence. The mist catching layer module 6 is formed by overlapping stainless steel metal nets with a certain mesh number, different metal nets can adopt different weaving directions or different densities, acid gas passes through the mist catching layer module 6, impurities in the acid gas are gradually caught due to continuous change of the flow direction, the mist catching layer module 6 is placed on the mist catching layer support 5 in an assembling mode, and the movement of the mist catching layer module is prevented through the limit of the mist catching layer support and the self weight of the mist catching layer module.
In this embodiment, the housing 2 is made of corrosion-resistant material, so as to prevent the acid gas from leaking to cause acid gas poisoning due to corrosion of the housing 2 by the acid gas. The top of the shell 2 is provided with a detachable manhole 7. The manhole 7 is in a sealing state in a working state at ordinary times, when regular maintenance or sudden conditions occur, the mist catching layer module 6 is blocked or the acid gas in the acid gas outlet pipe 9 flows slowly, maintenance personnel can enter the manhole 7 to maintain and adjust the manhole, and the mist catching layer support 5 and the mist catching layer module 6 can be used as supports.
In addition, the top of the shell 2 is communicated with a cleaning port 8, the cleaning port 8 is communicated with cleaning liquid, the acid gas inlet pipe 3 is provided with an acid gas inlet valve 1, and the acid gas outlet pipe 9 is provided with an acid gas outlet valve 10. The device is also provided with a cleaning port 8, when the resistance of the mist catcher is increased, particularly when the acid gas in the acid gas outlet pipe 9 flows slowly, the acid gas outlet valve 10 can be closed and the mist catcher is stopped, and cleaning liquid is added through the cleaning port 8 for online cleaning, so that manual cleaning of the mist catcher in the disassembly manhole 7 is avoided. The cleaning port 8 is located at one side of the top of the housing 2. When the cleaning opening 8 is used for cleaning, in order to prevent the cleaning liquid from directly passing through the mist-catching layer module 6 and falling into the liquid discharge opening 11, the cleaning liquid is arranged on one side and can slowly pass through the mist-catching layer module 6, and a reverse conical structure at the bottom is combined to form a rotational flow, so that a better cleaning effect is achieved.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An acid gas mist catcher comprises a shell (2), and is characterized in that one side of the shell (2) is communicated with an acid gas inlet pipe (3), the top of the shell (2) is communicated with an acid gas outlet pipe (9), and a mist catching layer is arranged in the shell (2) and positioned between the acid gas inlet pipe (3) and the acid gas outlet pipe (9); a rotational flow baffle (4) is arranged in the shell (2) and above the acid gas inlet pipe (3), and the rotational flow baffle (4) is used for guiding the acid gas to make tangential rotational flow motion along the inner wall of the shell (2); the bottom of the shell (2) is also provided with a liquid outlet (11).
2. The acid gas mist catcher as claimed in claim 1, wherein one side of the cyclone baffle (4) is fixedly connected with the inner wall of the shell (2), the other side of the cyclone baffle (4) extends downwards to form an arc surface, and two ends of the cyclone baffle (4) extend outwards along the inner wall of the shell (2) and cover the upper part of the acid gas inlet pipe (3).
3. The acid gas mist catcher as claimed in claim 1 or 2, wherein the bottom of the housing (2) is of an inverted cone structure, and the liquid discharge port (11) is located at the middle position of the bottom of the housing (2).
4. The acid gas mist trap according to claim 1, wherein the mist trap comprises a mist trap support (5) and a mist trap module (6) which are arranged in sequence from bottom to top.
5. The acid gas mist trap according to claim 4, wherein the mist layer module (6) comprises a plurality of layers of stainless steel metal mesh placed one above the other.
6. An acid gas mist trap according to claim 1, characterized in that the housing (2) is made of a corrosion resistant material.
7. The acid gas mist trap according to claim 1, wherein a removable manhole (7) is provided at the top of the housing (2).
8. The acid gas mist trap according to claim 1, wherein the top of the housing (2) is in communication with a cleaning port (8), and the cleaning port (8) is in communication with a cleaning fluid.
9. The acid gas mist trap according to claim 8, wherein the cleaning port (8) is located at a side of a top of the housing (2).
10. The acid gas mist trap according to claim 1, wherein the acid gas inlet pipe (3) is provided with an acid gas inlet valve (1), and the acid gas outlet pipe (9) is provided with an acid gas outlet valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021707925.7U CN213527773U (en) | 2020-08-15 | 2020-08-15 | Acid gas mist catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021707925.7U CN213527773U (en) | 2020-08-15 | 2020-08-15 | Acid gas mist catcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213527773U true CN213527773U (en) | 2021-06-25 |
Family
ID=76489050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021707925.7U Active CN213527773U (en) | 2020-08-15 | 2020-08-15 | Acid gas mist catcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213527773U (en) |
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2020
- 2020-08-15 CN CN202021707925.7U patent/CN213527773U/en active Active
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