CN209900904U - Dust removal device used in petroleum catalytic cracking process - Google Patents
Dust removal device used in petroleum catalytic cracking process Download PDFInfo
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- CN209900904U CN209900904U CN201920303996.1U CN201920303996U CN209900904U CN 209900904 U CN209900904 U CN 209900904U CN 201920303996 U CN201920303996 U CN 201920303996U CN 209900904 U CN209900904 U CN 209900904U
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- flue gas
- cooling chamber
- gas cooling
- cold water
- filter screen
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Abstract
The utility model discloses a dust collector for among oil catalytic cracking process, its characterized in that: including intake pipe, cold water storage cistern, flue gas cooling chamber and sack cleaner, cold water is equipped with in the cold water storage cistern, the intake pipe passes the cold water storage cistern with the lower extreme of flue gas cooling chamber communicates with each other, the intake pipe is located one section in the cold water storage cistern is spiral and encircles the setting, the lower extreme of flue gas cooling chamber is equipped with rather than communicating ash bucket, the inside of flue gas cooling chamber is located the upper end of intake pipe is by supreme first filter screen, second filter screen and the third filter screen of having set gradually down, the upper end of flue gas cooling chamber is equipped with cooling water spray header and connecting pipe, cooling water spray header and external cooling water supply device intercommunication, the connecting pipe is kept away from the one end of flue gas cooling chamber with the sack cleaner intercommunication. The utility model discloses can cool down the flue gas, simultaneously, dust removal effect is good.
Description
Technical Field
The utility model relates to a dust collector technical field, concretely relates to a dust collector for among oil catalytic cracking process.
Background
Petroleum can produce a large amount of flue gas in the catalytic cracking process, and the flue gas is discharged outside at will to pollute the environment, so that the flue gas needs to be treated before being discharged.
The in-process of handling just need use dust collector, and current dust treatment device uses the sack cleaner mostly, but often can produce because flue gas temperature is too high and with the sack condition of damage in the sack cleaner, and in addition, current dust collector's dust removal effect is not very good, can not reach the emission requirement.
Disclosure of Invention
The utility model discloses the problem that will solve is: the dust removal device for the petroleum catalytic cracking process can cool down the flue gas, and meanwhile, has a good dust removal effect.
The utility model discloses a solve the technical scheme that above-mentioned problem provided and do: a dust collector for petroleum catalytic cracking process, which is characterized in that: including intake pipe, cold water storage cistern, flue gas cooling chamber and sack cleaner, cold water is equipped with in the cold water storage cistern, the intake pipe passes the cold water storage cistern with the lower extreme of flue gas cooling chamber communicates with each other, the intake pipe is located one section in the cold water storage cistern is spiral and encircles the setting, the lower extreme of flue gas cooling chamber is equipped with rather than communicating ash bucket, the inside of flue gas cooling chamber is located the upper end of intake pipe is by supreme first filter screen, second filter screen and the third filter screen of having set gradually down, the upper end of flue gas cooling chamber is equipped with cooling water spray header and connecting pipe, cooling water spray header and external cooling water supply device intercommunication, the connecting pipe is kept away from the one end of flue gas cooling chamber with the sack cleaner intercommunication.
Preferably, the mesh diameters of the first filter, the second filter and the third filter are sequentially increased.
Preferably, the bottom of the ash hopper is provided with an ash discharge pipe, and an ash discharge valve is arranged in the ash discharge pipe.
Preferably, an openable window is arranged on the side wall of the flue gas cooling chamber.
Compared with the prior art, the utility model has the advantages that: the utility model is provided with the cold water tank, and the air inlet pipe is spirally arranged in the cold water tank in a surrounding way, so that the flue gas takes away a part of heat under the action of cold water in the cold water tank, the temperature of the flue gas is reduced, the flue gas cooling chamber is provided with the cooling water atomization spray header in the flue gas cooling chamber, and the temperature of the flue gas is further reduced through atomized vapor, thereby preventing the flue gas with high temperature from damaging the cloth bag; and simultaneously, the utility model discloses a set up first filter screen, second filter screen, third filter screen and sack cleaner, just so formed dual filtration to the flue gas to promoted the filter effect to dust in the flue gas, dust removal effect is better.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.
Fig. 1 is a schematic view of the overall structure of the present invention;
the attached drawings are marked as follows: 1. flue gas cooling chamber, 2, cooling water atomizing shower head, 3, connecting pipe, 4, sack cleaner, 5, first filter screen, 6, second filter screen, 7, third filter screen, 8, ash valve, 9, ash pipe, 10, ash bucket, 11, intake pipe, 12, cold water storage cistern.
Detailed Description
The following detailed description will be made with reference to the accompanying drawings and examples, so that how to implement the technical means of the present invention to solve the technical problems and achieve the technical effects can be fully understood and implemented.
The specific embodiment of the utility model is shown in figure 1, a dust removing device used in the petroleum catalytic cracking process comprises an air inlet pipe 11, a cold water tank 12, a flue gas cooling chamber 1 and a bag-type dust remover 4, the cold water tank 12 is filled with cold water, the air inlet pipe 11 penetrates through the cold water tank 12 and is communicated with the lower end of the flue gas cooling chamber 1, the section of the air inlet pipe 11 positioned in the cold water tank 12 is spirally arranged in a surrounding way, the lower end of the flue gas cooling chamber 1 is provided with an ash bucket 10 communicated with the flue gas cooling chamber, the interior of the flue gas cooling chamber 1 is positioned at the upper end of the air inlet pipe 11 and is sequentially provided with a first filter screen 5, a second filter screen 6 and a third filter screen 7 from bottom to top, the upper end of the flue gas cooling chamber 1 is provided with a cooling water atomization spray header 2 and a connecting pipe 3, the cooling water atomization spray header 2 is communicated with an external cooling water supply device, and one end of the connecting pipe 3, which is far away from the flue gas cooling chamber 1, is communicated with the bag-type dust collector 4.
The mesh diameters of the first filter screen 5, the second filter screen 6 and the third filter screen 7 are increased in sequence.
An ash outlet pipe 9 is arranged at the bottom of the ash hopper 10, and an ash outlet valve 8 is arranged in the ash outlet pipe 9.
And the side wall of the flue gas cooling chamber 1 is provided with a window which can be opened and closed.
The utility model has the advantages that: the utility model is provided with the cold water tank, and the air inlet pipe is spirally arranged in the cold water tank in a surrounding way, so that the flue gas takes away a part of heat under the action of cold water in the cold water tank, the temperature of the flue gas is reduced, the flue gas cooling chamber is provided with the cooling water atomization spray header in the flue gas cooling chamber, and the temperature of the flue gas is further reduced through atomized vapor, thereby preventing the flue gas with high temperature from damaging the cloth bag; and simultaneously, the utility model discloses a set up first filter screen, second filter screen, third filter screen and sack cleaner, just so formed dual filtration to the flue gas to promoted the filter effect to dust in the flue gas, dust removal effect is better.
The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed. All changes which come within the scope of the independent claims of the invention are to be embraced within their scope.
Claims (4)
1. A dust collector for petroleum catalytic cracking process, which is characterized in that: comprises an air inlet pipe (11), a cold water tank (12), a flue gas cooling chamber (1) and a bag-type dust collector (4), wherein cold water is arranged in the cold water tank (12), the air inlet pipe (11) penetrates through the cold water tank (12) and the lower end of the flue gas cooling chamber (1) to be communicated, one section of the air inlet pipe (11) positioned in the cold water tank (12) is spirally arranged in a surrounding way, the lower end of the flue gas cooling chamber (1) is provided with an ash hopper (10) communicated with the flue gas cooling chamber, the inside of the flue gas cooling chamber (1) is positioned at the upper end of the air inlet pipe (11) and is sequentially provided with a first filter screen (5), a second filter screen (6) and a third filter screen (7) from bottom to top, the upper end of the flue gas cooling chamber (1) is provided with a cooling water atomization spray head (2) and a connecting pipe (3), and the cooling, one end of the connecting pipe (3) far away from the smoke cooling chamber (1) is communicated with the bag-type dust collector (4).
2. The dust removing device for the petroleum catalytic cracking process according to claim 1, wherein: the mesh diameters of the first filter screen (5), the second filter screen (6) and the third filter screen (7) are increased in sequence.
3. The dust removing device for the petroleum catalytic cracking process according to claim 1, wherein: an ash outlet pipe (9) is arranged at the bottom of the ash bucket (10), and an ash outlet valve (8) is arranged in the ash outlet pipe (9).
4. The dust removing device for the petroleum catalytic cracking process according to claim 1, wherein: and the side wall of the flue gas cooling chamber (1) is provided with a window which can be opened and closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920303996.1U CN209900904U (en) | 2019-03-11 | 2019-03-11 | Dust removal device used in petroleum catalytic cracking process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920303996.1U CN209900904U (en) | 2019-03-11 | 2019-03-11 | Dust removal device used in petroleum catalytic cracking process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209900904U true CN209900904U (en) | 2020-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920303996.1U Expired - Fee Related CN209900904U (en) | 2019-03-11 | 2019-03-11 | Dust removal device used in petroleum catalytic cracking process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209900904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116422097A (en) * | 2023-03-28 | 2023-07-14 | 北京华兴碳环境科技有限公司 | Industrial waste gas desulfurization and denitrification device |
-
2019
- 2019-03-11 CN CN201920303996.1U patent/CN209900904U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116422097A (en) * | 2023-03-28 | 2023-07-14 | 北京华兴碳环境科技有限公司 | Industrial waste gas desulfurization and denitrification device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200107 Termination date: 20210311 |
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| CF01 | Termination of patent right due to non-payment of annual fee |