CN213078016U - Tail gas diffusing pipe with cleaning function - Google Patents
Tail gas diffusing pipe with cleaning function Download PDFInfo
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- CN213078016U CN213078016U CN202021264909.5U CN202021264909U CN213078016U CN 213078016 U CN213078016 U CN 213078016U CN 202021264909 U CN202021264909 U CN 202021264909U CN 213078016 U CN213078016 U CN 213078016U
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- tail gas
- cleaning solution
- diffusing pipe
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Abstract
The utility model relates to a tail gas diffusing pipe with a cleaning function, which comprises a diffusing pipe body, wherein one end of the diffusing pipe body is connected with a tower trough for releasing tail gas, the diffusing pipe body is sequentially provided with an outer shell and a cleaning solution inlet valve from bottom to top along the gas flowing direction, the cleaning solution inlet valve is connected with a pipeline for providing cleaning solution, and the outer shell is used for providing a space for the reaction of the tail gas and the cleaning solution; an inner shell is fixedly arranged in the outer shell, a flow equalizing assembly and a filling material are respectively arranged in the inner shell, the flow equalizing assembly is used for equalizing the flow of gas and liquid passing through, the filling material is used for reacting the gas and the liquid, and the flow equalizing assembly is positioned below the reaction assembly. The utility model provides an environmental protection and the safety problem that the direct emission of tower groove tail gas caused, can carry out abundant washing to tail gas, get back to the tower inslot through diffusing the pipe body and use in addition after abluent liquid absorbs harmful substance in the tail gas, not externally discharge causes the pollution.
Description
Technical Field
The utility model relates to a tail gas emission's technical field, more specifically say, it relates to a take cleaning function's tail gas diffuse pipe.
Background
At present, in a vacuum potassium carbonate desulfurization system, if the tail gas of a tower tank adopts a field direct exhaust mode, the pollutants in the tail gas around a diffusing pipe seriously exceed the standard, so that the environment is polluted, and the tail gas contains toxic and harmful gases, so that serious potential safety hazards are caused to surrounding operators. In the prior art, a centralized diffusion process is often adopted for tail gas recovery, but gases with different properties are discharged in the same pipeline, so that the gases react with each other or react with the pipeline, chemical substances such as salts and the like are produced to corrode the pipeline, the pipeline is often blocked or penetrated and leaked, and finally the centralized diffusion is disabled.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a take cleaning function's tail gas diffuse pipe. The utility model provides an environmental protection and the safety problem that the direct emission of tower groove tail gas caused, can carry out abundant washing to tail gas, get back to the tower inslot through diffusing the pipe body and use in addition after abluent liquid absorbs harmful substance in the tail gas, not externally discharge causes the pollution.
The above technical purpose of the present invention can be achieved by the following technical solutions: a tail gas diffusing pipe with a cleaning function comprises a diffusing pipe body, wherein one end of the diffusing pipe body is connected with a tower trough for releasing tail gas, the diffusing pipe body is sequentially provided with an outer shell and a cleaning solution inlet valve from bottom to top along the gas flowing direction, the cleaning solution inlet valve is connected with a pipeline for providing cleaning solution, and the outer shell is used for providing a space for the reaction of the tail gas and the cleaning solution; the shell body is internally and fixedly provided with an inner shell, the inner shell is internally and respectively internally provided with a flow equalizing assembly and a filling material, the flow equalizing assembly is used for equalizing the flow of gas and liquid passing through, the filling material is used for reacting the gas and the liquid, and the flow equalizing assembly is positioned below the filling material.
Further, the internal diameter of shell body is greater than the internal diameter of diffusing the pipe body, interior casing is the back taper casing, just the top edge and the inboard fixed connection of shell body of interior casing.
Further, the flow equalizing assembly comprises a plurality of distribution holes, and the distribution holes are uniformly distributed on the side surface and the bottom surface of the inner shell.
Furthermore, the filling material is filled at the upper part of the inner shell, and a support net is arranged below the filling material.
Further, the filler is a porous filler made of a corrosion-resistant material.
Furthermore, a wire mesh mist catching layer is arranged in the diffusing pipe body and is positioned above the cleaning solution inlet valve.
Further, the outer side of the diffusing pipe body is sleeved with a first flange, a second flange and a third flange, the first flange is located between the cleaning solution inlet valve and the outer shell, the second flange is located on the upper end face of the outer shell, and the third flange is located at the connecting position of the diffusing pipe body and the tower groove.
To sum up, the utility model discloses following beneficial effect has:
1. the utility model provides an environmental protection and the safety problem that the direct emission of tower groove tail gas caused, can carry out abundant washing to tail gas, get back to the tower inslot through diffusing the pipe body and use in addition after abluent liquid absorbs harmful substance in the tail gas, not externally discharge causes the pollution.
2. The relative pipe body that diffuses of shell body is a cylindrical space that has great internal diameter, and the inner space is great in order to let tail gas here stop, then through the back taper structure of interior casing, effectively delays the ascending exhaust stroke rate of tail gas, makes tail gas need just can continue to flow upwards through interior casing.
3. The latter half evenly distributed of interior casing has multiple hole, and its effect forms the effect of flow equalizing board, lets gas and the liquid homoenergetic that passes through interior casing evenly distributed ground pass through, and gaseous mainly gets into from the distribution hole of side during operation, and liquid then mainly falls by the distribution hole of bottom surface, and accessible wash clean liquid inlet valve carries out the regulation of flow, avoids always passing through same place and causing the corruption fast, causes the part that needs often to change.
4. The upper half part of the inner shell is used for fully contacting and reacting gas and liquid, the filling material can be arranged to prolong the contact time of the tail gas and the cleaning liquid, the absorption efficiency is improved, and a plurality of baffles can be arranged to prolong the stroke path of the gas or the liquid, so that the gas and the liquid are fully mixed.
5. Because the gas in the tail gas discharging process can be carried with liquid and can also be carried with mist after being washed by the cleaning solution, the liquid carried with the washed tail gas can be effectively removed by the wire mesh mist catching layer.
6. Each position of this structure still is equipped with the flange, and the place that sets up the flange is department of dismantling promptly, and each component all can be dismantled the equipment, is convenient for daily inspection and washing and spare part change.
Drawings
FIG. 1 is a schematic structural view of a tail gas diffusing pipe with a cleaning function of the present invention;
fig. 2 is a top view of the tail gas diffusing pipe with a cleaning function of the present invention.
In the figure: 1-a diffusing pipe body, 2-a cleaning solution inlet valve, 3-a first flange, 4-a silk screen mist trapping layer, 5-a second flange, 6-a filling material, 7-distribution holes, 8-a support net, 10-an inner shell, 11-an outer shell and 12-a third flange.
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, a tail gas diffusing pipe with a cleaning function comprises a diffusing pipe body 1, one end of the diffusing pipe body 1 is connected with a tower trough for releasing tail gas, the diffusing pipe body 1 is sequentially provided with an outer shell 11 and a cleaning solution inlet valve 2 from bottom to top along the gas flowing direction, the cleaning solution inlet valve 2 is connected with a pipeline for providing cleaning solution, and the outer shell 11 is used for providing a space for the reaction of the tail gas and the cleaning solution; an inner shell 10 is fixedly arranged in the outer shell 11, a flow equalizing assembly and a filling material 6 are respectively arranged in the inner shell 10, the flow equalizing assembly is used for equalizing the flow of gas and liquid passing through, the filling material 6 is used for reacting the gas and the liquid, and the flow equalizing assembly is positioned below the filling material 6. The utility model provides an environmental protection and the safety problem that the direct emission of tower groove tail gas caused, can carry out abundant washing to tail gas. After the tail gas is discharged out of the tower groove, the tail gas flows from bottom to top along the diffusing pipe body 1, at the moment, the cleaning solution inlet valve 2 is opened, so that the cleaning solution flows into the inner shell 10 from top to bottom, the cleaning solution and the discharged tail gas can fully react from the inner shell 10, and finally, the cleaning solution returns to the tower groove for use through the diffusing pipe body 1 after absorbing harmful substances in the tail gas, so that pollution is caused by external discharge.
In this embodiment, the inner diameter of the outer shell 11 is larger than the inner diameter of the diffusing pipe body 1, the inner shell 10 is an inverted cone-shaped shell, and the upper edge of the inner shell 10 is fixedly connected with the inner side of the outer shell 11. Outer casing 11 is a cylindrical space that has great internal diameter relatively diffuses tub body 1, the inner space is great in order to let tail gas stop here, then through the back taper structure of interior casing 10, its bottom diameter narrows down, and the top edge of interior casing 10 and the inboard all-welded of outer casing 11, tail gas can not directly pass through fast completely, need concentrate gradually inside interior casing 10 and pass, tail gas upward discharge's stroke rate has effectively been delayed, make tail gas need just can continue to flow upwards through interior casing 10. In addition, a seal ring may be disposed between the upper edge of the inner housing 10 and the inside of the outer housing 11 to form a seal, but the seal ring needs to have corrosion resistance and needs to be replaced frequently.
In this embodiment, the flow equalizing assembly includes a plurality of distribution holes 7, and the distribution holes 7 are uniformly distributed on the side surface and the bottom surface of the inner casing 10. The latter half evenly distributed of interior casing 10 has multiple hole, and its effect forms the effect of flow equalizing plate, lets gas and liquid homoenergetic through interior casing 10 pass through evenly distributed, and gaseous mainly gets into from the distribution hole 7 of side during operation, and liquid then mainly falls by the distribution hole 7 whereabouts of bottom surface, and the distribution hole 7 of two positions can set up different aperture sizes according to actual conditions. When the washing machine works, the apertures of the distribution holes 7 at the bottom side are small due to the upward surge of the gas, so that the liquid is gathered at the bottom side of the inner shell 10 to form a certain liquid level, the liquid falls from the distribution holes 7 at the bottom side, the gas rises at the moment, a certain force is generated to delay the falling speed of the washing liquid in the distribution holes 7, and bubbles are formed to increase the retention time of the washing liquid and the contact area with the gas. Or to adjust the cleaning liquid to enter the pipe in large quantity, the liquid can also flow out from the distribution holes 7 on the side surface to avoid the liquid from accumulating inside the inner shell 10. Because the tail gas and the cleaning solution can be provided with corrosive substances, the distribution holes 7 prevent the gas and the liquid from always passing through the same place to cause corrosion quickly, so that the whole part needs to be replaced frequently due to the fact that one small place is damaged.
In this embodiment, the filling material 6 is filled in the upper part of the inner shell 10, and the supporting net 8 is arranged below the filling material 6. The upper half of the inner shell 10 is designed to allow the gas and liquid to fully contact and react, and the filling material 6 can be provided to prolong the contact time between the tail gas and the cleaning solution, thereby improving the absorption efficiency. The filling material 6 is a porous filling material made of corrosion-resistant materials, the porous filling material has the characteristics of high permeability and good plasticity, and the cleaning solution is a desulfurization solution used in a desulfurization system and can effectively absorb harmful substances in the tail gas. In addition, a plurality of baffles may be provided, and a spirally rising channel is formed by the combination of the baffles to extend the stroke path of the gas or the liquid, so that the gas or the liquid is sufficiently mixed.
In this embodiment, a wire mesh mist trap layer 4 is provided in the diffusing pipe body 1, and the wire mesh mist trap layer 4 is located above the cleaning solution inlet valve 2. Because liquid may be entrained in the gas in the exhaust process of the tail gas and the mist may be entrained after the gas is washed by the cleaning solution, the liquid entrained in the washed tail gas can be effectively removed by the wire mesh mist catching layer 4. The outer side of the diffusing pipe body 1 is sleeved with a first flange 3, a second flange 5 and a third flange 12, the first flange 3 is located between the cleaning solution inlet valve 2 and the outer shell 11, the second flange 5 is located on the upper end face of the outer shell 11, and the third flange 12 is located at the connecting position of the diffusing pipe body 1 and the tower groove. Each position of this structure still is equipped with the flange, and the place that sets up the flange is department of dismantling promptly, makes the device be a detachable structure, and each component all can the demountable assembly, is convenient for daily inspection and washing and spare part change.
When the device is used, the device is firstly assembled in sequence, and the lower end of the diffusing pipe body 1 is connected to a tower tank through a third flange 12 so as to collect tail gas generated by the tower tank; then, opening a cleaning solution inlet valve 2 to enable the cleaning solution, namely the desulfurization solution, to enter the diffusing pipe body 1 and flow downwards, enabling the cleaning solution to start to contact with the tail gas at the outer shell 11, enabling the cleaning solution to fully react with the rising gas at the filling material 6 of the inner shell 10, and then enabling the cleaning solution to flow to the distribution holes 7 and uniformly fall into the lower end of the diffusing pipe body 1 and the tower groove below; the tail gas flows from bottom to top, enters the diffusing pipe body 1, and then starts to contact with the cleaning solution, pre-reacts first, then enters the inner shell 10 mainly through the distribution holes 7 on the side surface, and fully contacts with the falling cleaning solution partially through the distribution holes 7 on the bottom side, and reacts with the cleaning solution for a long time at the filling material 6, and finally, the liquid carried by the silk screen mist catching layer 4 is removed at the outlet, so that the environmental protection requirement of direct discharging on site is met.
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 (7)
1. A tail gas diffusing pipe with a cleaning function comprises a diffusing pipe body (1), one end of the diffusing pipe body (1) is connected with a tower groove for releasing tail gas, and the tail gas diffusing pipe is characterized in that the diffusing pipe body (1) is sequentially provided with an outer shell (11) and a cleaning solution inlet valve (2) from bottom to top along the gas flowing direction, the cleaning solution inlet valve (2) is connected with a pipeline for providing cleaning solution, and the outer shell (11) is used for providing a space for the reaction of the tail gas and the cleaning solution; the utility model discloses a gas-liquid separation device, including shell body (11), shell body (11) internal stability is equipped with interior casing (10), be equipped with flow equalizing assembly and stopping (6) in interior casing (10) respectively, the flow equalizing assembly is used for making gaseous and the liquid flow equalizing of process, stopping (6) are used for making gaseous and liquid reaction, just the flow equalizing assembly is located the below of stopping (6).
2. The exhaust emission pipe with a cleaning function according to claim 1, wherein an inner diameter of the outer shell (11) is larger than an inner diameter of the emission pipe body (1), the inner shell (10) is an inverted cone-shaped shell, and an upper edge of the inner shell (10) is fixedly connected with an inner side of the outer shell (11).
3. The exhaust emission pipe with the cleaning function of claim 2, wherein the flow equalizing assembly comprises a plurality of distribution holes (7), and the distribution holes (7) are uniformly distributed on the side surface and the bottom surface of the inner shell (10).
4. The exhaust emission pipe with a cleaning function according to any one of claims 1 to 3, wherein the packing material (6) is filled in an upper portion of the inner case (10), and a support net (8) is provided under the packing material (6).
5. The exhaust emission pipe with cleaning function according to claim 4, wherein the filler (6) is a porous filler made of a corrosion-resistant material, and the cleaning solution is a desulfurizing solution.
6. The tail gas diffusing pipe with the cleaning function according to claim 1, wherein a wire mesh mist-catching layer (4) is arranged in the diffusing pipe body (1), and the wire mesh mist-catching layer (4) is positioned above the cleaning solution inlet valve (2).
7. The tail gas diffusing pipe with the cleaning function according to claim 1, wherein a first flange (3), a second flange (5) and a third flange (12) are sleeved outside the diffusing pipe body (1), the first flange (3) is located between the cleaning solution inlet valve (2) and the outer shell (11), the second flange (5) is located on the upper end face of the outer shell (11), and the third flange (12) is located at the connection position of the diffusing pipe body (1) and the tower trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264909.5U CN213078016U (en) | 2020-06-30 | 2020-06-30 | Tail gas diffusing pipe with cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264909.5U CN213078016U (en) | 2020-06-30 | 2020-06-30 | Tail gas diffusing pipe with cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213078016U true CN213078016U (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021264909.5U Active CN213078016U (en) | 2020-06-30 | 2020-06-30 | Tail gas diffusing pipe with cleaning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213078016U (en) |
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2020
- 2020-06-30 CN CN202021264909.5U patent/CN213078016U/en active Active
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