CN219002444U - Dust collector is used in chlorinated polyethylene production - Google Patents
Dust collector is used in chlorinated polyethylene production Download PDFInfo
- Publication number
- CN219002444U CN219002444U CN202223214840.7U CN202223214840U CN219002444U CN 219002444 U CN219002444 U CN 219002444U CN 202223214840 U CN202223214840 U CN 202223214840U CN 219002444 U CN219002444 U CN 219002444U
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- China
- Prior art keywords
- dust
- shell
- cavity
- chlorinated polyethylene
- dust removing
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- 239000000428 dust Substances 0.000 title claims abstract description 99
- 239000004709 Chlorinated polyethylene Substances 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 45
- 238000000889 atomisation Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000843 powder Substances 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 8
- 238000005507 spraying Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model discloses a dust removing device for chlorinated polyethylene production, which comprises a shell, wherein a flow guide partition member is fixed in the shell, and the inner cavity of the shell is divided into a dust removing cavity and a liquid collecting cavity which are communicated with each other by the flow guide partition member; one side of the dust removing cavity is communicated with an induced draft fan through a dust inlet air channel, and a first-stage atomizing nozzle and a second-stage atomizing nozzle are arranged in the dust removing cavity; the first-stage atomization nozzle is positioned above the connection site of the dust inlet air passage and the shell, and the second-stage atomization nozzle is obliquely downward arranged and positioned below the connection site of the dust inlet air passage and the shell 1; the liquid collecting cavity is respectively communicated with an exhaust pipe and a blow-down pipe at one side. The utility model discloses have granularity is thin, the light and difficult dust fall characteristic of handling to chlorinated polyethylene dry powder, be provided with two-stage atomizer at the dust fall intracavity and carry out the atomizing dust fall and handle, and carry out specific design to atomizer's setting position, improve atomizer and spray effect and spray area, and then promote this dust collector's dust fall effect.
Description
Technical Field
The utility model relates to a dust removing device, in particular to a dust removing device for chlorinated polyethylene production.
Background
Currently, one of the most common processes used in the production of Chlorinated Polyethylene (CPE) is the aqueous suspension process, which mainly comprises the steps of chlorination, deacidification, neutralization, dealkalization, centrifugation, drying, crushing and mixed packaging. The drying treatment generally adopts a fixed fluidized bed to dry, the discharged gas contains dust, and the treatment of the dust is mostly carried out by spraying dust removal, electrostatic dust removal, water film dust removal, cloth bag dust removal and other modes, however, the treatment is affected by the property of the chlorinated polyethylene to dry the dust, and the most used spraying dust removal is at present.
At present, the dust removal device for chlorinated polyethylene production adopts the atomizer that the one-level set up to realize the dust fall processing more, but because chlorinated polyethylene dry powder has the characteristics of granularity fineness, light in weight, receive one-level atomizer to spray the restriction of effect and spray area for the dust removal effect is not good.
Disclosure of Invention
In order to solve the defects of the technology, the utility model provides a dust removing device for producing chlorinated polyethylene.
In order to solve the technical problems, the utility model adopts the following technical scheme: the dust removing device for chlorinated polyethylene production comprises a shell, wherein a flow guide partition member is fixed in the shell, and the inner cavity of the shell is divided into a dust removing cavity and a liquid collecting cavity which are communicated with each other by the flow guide partition member;
one side of the dust removing cavity is communicated with an induced draft fan through a dust inlet air channel, and a first-stage atomizing nozzle and a second-stage atomizing nozzle are arranged in the dust removing cavity; the first-stage atomization spray nozzle is positioned above the connection site of the dust inlet air passage and the shell, and the second-stage atomization spray nozzle is obliquely downward arranged and positioned below the connection site of the dust inlet air passage and the shell;
the liquid collecting cavity is respectively communicated with an exhaust pipe and a blow-down pipe at one side.
Further, the primary atomization nozzle is arranged on the water distribution disc and is divided into an outer ring nozzle and an inner cavity nozzle; the outer ring spray heads are provided with a plurality of rings, the plurality of outer ring spray heads are enclosed to form a circle, the inner ring spray heads are provided with one ring, and one inner ring spray head is positioned at the center position of the water distribution disc.
Further, the water distribution plate is communicated with a primary pressurized water pump through a pipeline.
Further, the water distribution plate is downwards bent along the peripheral edge to form a side guard ring, and the side guard ring is fixedly connected with the shell wall of the shell through the fixing flange plate.
Further, the second-stage atomizing spray heads are arranged on the annular water tank, a plurality of second-stage atomizing spray heads are arranged, and the second-stage atomizing spray heads are equally spaced.
Further, the ring-shaped water tank is fixed in the shell and is communicated with a secondary pressurized water pump through a pipeline.
Further, the flow guide partition member is in a bucket shape, and a flow guide opening which is communicated with the dust removing cavity and the liquid collecting cavity is formed at the bottom of the flow guide partition member.
Further, a safety relief valve is also arranged on the shell.
The utility model discloses a dust removing device for chlorinated polyethylene production, which has the characteristics of fine granularity, light weight and difficult dust fall treatment, wherein two stages of atomizing nozzles are arranged in a dust fall cavity for atomizing dust fall treatment, and the setting positions of the atomizing nozzles are specially designed, so that the spraying effect and the spraying area of the atomizing nozzles are improved, and the dust fall effect of the dust removing device is further improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
FIG. 2 is a schematic view of the first stage atomizer of the present utility model disposed on a water distribution tray.
FIG. 3 is a schematic view of the arrangement of the secondary atomizer of the present utility model on a doughnut-shaped water tank.
In the figure: 1. a housing; 1a, a dust fall cavity; 1b, a liquid collecting cavity; 2. an induced draft fan; 3. a primary pressurized water pump; 4. a water distribution plate; 4a, side retainers; 5. a safety relief valve; 6. a fixed flange; 7. a primary atomizing nozzle; 7a, outer ring spray heads; 7b, inner ring spray heads; 8. a secondary pressurized water pump; 9. a ring-shaped water tank; 10. a secondary atomizing nozzle; 11. a flow directing partition; 12. an exhaust pipe; 13. a diversion opening; 14. a blow-down pipe; 15. dust inlet air passage.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
The dust removing device for chlorinated polyethylene production comprises a vertically arranged shell 1, wherein a diversion compartment 11 is fixedly arranged in the shell 1, and the inner cavity of the shell 1 is divided into two parts which are a dust removing cavity 1a and a liquid collecting cavity 1b by the diversion compartment 11; thus, the dust removal treatment is performed in the dust removal cavity 1a, and the collection of sewage mixed with dust removal is realized in the liquid collection cavity 1 b.
As shown in fig. 1, the flow guide partition 11 is in a bucket shape, and a flow guide opening 13 for communicating the dust removal cavity 1a with the liquid collection cavity 1b is formed at the bottom of the flow guide partition 11; the deflector screen 11 has inclined side walls so that dirt-laden sewage flows downwardly under the force of gravity.
The dust removing cavity 1a is communicated with an induced draft fan 2 at one side through a dust inlet air passage 15, and the induced draft fan 2 is used for sending dust-containing flue gas into the dust removing cavity 1a of the machine shell 1 through the dust inlet air passage 15. A first-stage atomizing nozzle 7 and a second-stage atomizing nozzle 10 are arranged in the dust removing cavity 1 a; wherein, the first-stage atomization nozzle 7 is positioned above the connection site of the dust inlet air passage 15 and the machine shell 1, and the second-stage atomization nozzle 10 is positioned below the connection site of the dust inlet air passage 15 and the machine shell 1; the smoke dust is sprayed into the dust settling cavity 1a through the dust inlet air passage 15, and after the primary atomization dust settling treatment is carried out by the primary atomization spray nozzle 7, the secondary atomization dust settling treatment is carried out by the secondary atomization spray nozzle 10; the two-stage atomization treatment mode can effectively improve the dust fall treatment effect.
As shown in figure 1, the primary atomization spray nozzle 7 is arranged on a water distribution disc 4, the water distribution disc 4 is communicated with a primary pressurized water pump 3 through a pipeline, and primary atomization spray water is supplied by the primary pressurized water pump 3. As shown in fig. 2, the first-stage atomizer 7 is divided into an outer ring atomizer 7a and an inner cavity atomizer 7b; the outer ring spray heads 7a are provided in plurality, the plurality of outer ring spray heads are enclosed to form a circle, the inner ring spray heads 7b are provided with one, and one inner ring spray head is positioned at the center of the water distribution disc 4. The inner ring spray heads 7b and the outer ring spray heads 7a are uniformly paved on the water distribution disc to form large-area atomized spray water to act on dust-containing flue gas entering the dust settling cavity 1a, so that as much dust as possible is settled.
In order to realize the stable arrangement of the water distribution disc 4 in the dust fall cavity 1a, the water distribution disc 4 is downwards bent along the peripheral edge to form a side guard ring 4a, and the side guard ring 4a is fixedly connected with the shell wall of the shell 1 through a fixed flange 6.
For the secondary atomizing nozzle 10, as shown in fig. 1, the secondary atomizing nozzle 10 is mounted on a ring-shaped water tank 9, the ring-shaped water tank 9 is fixed in the casing 1 and is communicated with a secondary pressurized water pump 8 through a pipeline, and secondary atomized spray water is supplied by the secondary pressurized water pump 8. As shown in fig. 3, a plurality of secondary atomizing nozzles 10 are provided, and the plurality of secondary atomizing nozzles are equally spaced. The dust settled after the primary spraying treatment is further subjected to atomization settlement treatment by the secondary atomization spray nozzle 10, so that the dust is settled more thoroughly. The secondary atomizing nozzle 10 is arranged in an inclined downward state, so that the sewage mixed with dust fall can be pushed to smoothly flow down along the flow guide partition 11.
The sewage mixed with dust fall is collected into a liquid collecting cavity 1b through a diversion opening 13, and one side of the liquid collecting cavity 1b is respectively communicated with an exhaust pipe 12 and a drain pipe 14 with a valve; the exhaust pipe 12 is externally connected with an exhaust gas treatment device, and the sewage discharge pipe 14 realizes the concentrated discharge of the collected sewage.
In addition, the casing 1 is also provided with a safety relief valve 5 to improve the working safety of the dust settling device.
Therefore, for the dust removing device for chlorinated polyethylene production, a two-stage atomization spray nozzle is arranged in the dust settling cavity; the first-stage atomization spray nozzle is positioned at the top of the dust falling cavity so as to perform first-stage atomization spraying treatment on dust-containing gas entering the dust falling cavity; the secondary atomization spray nozzle is positioned at the position close to the bottom of the dust falling cavity, so that the sinking dust-containing gas is further subjected to secondary atomization spray treatment, and the spray treatment effect is effectively improved. Meanwhile, the first-stage atomizing spray heads are paved and the second-stage atomizing spray heads are arranged around, so that spraying treatment can be realized in a large area, and the dust removal effect of the dust removal device is further improved. Furthermore, the second-stage atomizing nozzle is obliquely arranged along with the flow guide separating hopper, so that dust-mixed sewage obtained by dust fall smoothly flows down along the flow guide separating piece 11, and the sewage collecting capacity of the dust collector is improved.
The above embodiments are not intended to limit the present utility model, and the present utility model is not limited to the above examples, but is also intended to be limited to the following claims.
Claims (8)
1. The utility model provides a dust collector is used in chlorinated polyethylene production, includes casing (1), its characterized in that: a flow guide partition (11) is fixed in the shell (1), and the inner cavity of the shell (1) is divided into a dust removing cavity (1 a) and a liquid collecting cavity (1 b) which are communicated with each other by the flow guide partition (11);
one side of the dust removing cavity (1 a) is communicated with an induced draft fan (2) through a dust inlet air passage (15), and a primary atomizing nozzle (7) and a secondary atomizing nozzle (10) are arranged in the dust removing cavity (1 a); the first-stage atomization spray nozzle (7) is positioned above a connecting site of the dust inlet air passage (15) and the machine shell (1), and the second-stage atomization spray nozzle (10) is obliquely downwards arranged and positioned below the connecting site of the dust inlet air passage (15) and the machine shell (1);
one side of the liquid collecting cavity (1 b) is respectively communicated with an exhaust pipe (12) and a blow-down pipe (14).
2. The dust removing device for chlorinated polyethylene production as claimed in claim 1, wherein: the primary atomization nozzle (7) is arranged on the water distribution disc (4), and the primary atomization nozzle (7) is divided into an outer ring nozzle (7 a) and an inner ring nozzle (7 b); the outer ring spray heads (7 a) are provided with a plurality of outer ring spray heads, the outer ring spray heads are surrounded to form a circle, the inner ring spray heads (7 b) are provided with one inner ring spray head, and one inner ring spray head is located at the center of the water distribution disc (4).
3. The dust removing device for chlorinated polyethylene production as claimed in claim 2, wherein: the water diversion disc (4) is communicated with a primary pressurized water pump (3) through a pipeline.
4. A dust collector for chlorinated polyethylene production as defined in claim 3, wherein: the water distribution disc (4) is downwards bent along the peripheral edge to form a side guard ring (4 a), and the side guard ring (4 a) is fixedly connected with the shell wall of the shell (1) through a fixed flange (6).
5. The dust removing apparatus for chlorinated polyethylene production as claimed in any one of claims 2 to 4, wherein: the secondary atomizing spray heads (10) are arranged on the annular water tank (9), and a plurality of secondary atomizing spray heads (10) are arranged at equal interval.
6. The dust removing apparatus for chlorinated polyethylene production as defined in claim 5, wherein: the ring-shaped water tank (9) is fixed in the shell (1) and is communicated with a secondary pressurized water pump (8) through a pipeline.
7. The dust removing device for chlorinated polyethylene production as claimed in claim 1, wherein: the flow guide partition (11) is bucket-shaped, and a flow guide opening (13) which is communicated with the dust removal cavity (1 a) and the liquid collection cavity (1 b) is formed at the bottom of the flow guide partition (11).
8. The dust removing device for chlorinated polyethylene production as claimed in claim 1, wherein: and a safety relief valve (5) is also arranged on the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223214840.7U CN219002444U (en) | 2022-11-30 | 2022-11-30 | Dust collector is used in chlorinated polyethylene production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223214840.7U CN219002444U (en) | 2022-11-30 | 2022-11-30 | Dust collector is used in chlorinated polyethylene production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219002444U true CN219002444U (en) | 2023-05-12 |
Family
ID=86247112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223214840.7U Active CN219002444U (en) | 2022-11-30 | 2022-11-30 | Dust collector is used in chlorinated polyethylene production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219002444U (en) |
-
2022
- 2022-11-30 CN CN202223214840.7U patent/CN219002444U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A dust removal device for chlorinated polyethylene production Effective date of registration: 20231228 Granted publication date: 20230512 Pledgee: Shandong Yutai Rural Commercial Bank Co.,Ltd. Pledgor: Shandong Qitai New Materials Co.,Ltd. Registration number: Y2023980075236 |