CN209968001U - Waste gas purification tower - Google Patents
Waste gas purification tower Download PDFInfo
- Publication number
- CN209968001U CN209968001U CN201920371659.6U CN201920371659U CN209968001U CN 209968001 U CN209968001 U CN 209968001U CN 201920371659 U CN201920371659 U CN 201920371659U CN 209968001 U CN209968001 U CN 209968001U
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- Prior art keywords
- tower
- gas purification
- plate
- tower body
- water
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- Expired - Fee Related
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- 238000000746 purification Methods 0.000 title claims abstract description 43
- 239000002912 waste gas Substances 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 239000007921 spray Substances 0.000 claims abstract description 38
- 230000018044 dehydration Effects 0.000 claims abstract description 22
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 20
- 238000005507 spraying Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 23
- 239000003546 flue gas Substances 0.000 abstract description 23
- 239000000428 dust Substances 0.000 abstract description 22
- 238000006477 desulfuration reaction Methods 0.000 abstract description 9
- 230000023556 desulfurization Effects 0.000 abstract description 9
- 238000012546 transfer Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 29
- 238000010521 absorption reaction Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 239000003973 paint Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
Images
Landscapes
- Treating Waste Gases (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model relates to a waste gas purification tower, be in including body of the tower and setting inside dehydration defogging device, the water distribution device that sprays and the whirl device of body of the tower, it includes first water shower, second water shower and third water shower to spray the water distribution device, the whirl device includes first whirl board, second whirl board, third whirl board and arranges with certain angle slope first equalizing pipe of first whirl board below with the second equalizing pipe of second whirl board below, first water shower, first whirl board, second water shower, first equalizing pipe, second whirl board, third water shower, the equalizing pipe of second and third whirl board top-down set gradually, dehydration defogging device arranges the top of first water shower. According to the utility model provides a pair of exhaust gas purification tower has guaranteed that flue gas purification system operating load is big with operation elasticity, mass transfer efficiency is high, prevent that stifled performance is strong and outstanding advantage such as desulfurization dust collection efficiency height.
Description
Technical Field
The utility model relates to an exhaust-gas treatment technical field, more specifically relates to an exhaust purification tower.
Background
The cyclone plate tower is generally used for dust removal and desulfurization and is a jet type tower plate washer. In the working process of the cyclone plate tower, airflow to be treated with certain air pressure and air speed enters from the bottom and exits from the upper part of the tower, and absorption liquid enters from the upper part and exits from the lower part of the tower; the air flow and the absorption liquid do relative motion in the tower, and a water film with a large surface area is formed at the structural part of the rotational flow plate, so that the absorption effect is greatly improved; the tower plate blades are fixed windmill blades, airflow generates rotation and centrifugal motion when passing through the blades from bottom to top, absorption liquid is uniformly distributed to the blades from top to bottom through the internal support to form a thin liquid layer, the thin liquid layer and the upward rotating airflow form rotation and centrifugation effects, and the thin liquid layer and the upward rotating airflow are sprayed into fine liquid drops to be thrown to the tower wall.
The main mechanisms of the operation of the cyclone plate tower are the inertial collision of dust particles and liquid drops, centrifugal separation, liquid film adhesion and the like. The cyclone plate in the cyclone plate tower allows high-speed airflow to pass through due to the large opening rate, so that the load is high, the processing capacity is large, the pressure drop is low, and the operation elasticity is large. The gas-liquid contact time is short, and the method is suitable for the process of gas-phase diffusion control, such as direct gas-liquid contact heat transfer, rapid reaction absorption and the like.
In a wet flue gas dust removal system, a strong heat and mass transfer process occurs between gas and liquid, if the rising speed of flue gas in a tower is high, the retention time is short, and the dust removal efficiency cannot be guaranteed, so that the rising speed of the flue gas must be strictly controlled to improve the purification efficiency of the flue gas, and meanwhile, in order to improve the dust removal efficiency, the flow of a circulating absorption liquid must be properly improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve the problem among the prior art and provide, its aim at provides a waste gas purification tower to reach the purpose that improves desulfurization dust collection efficiency.
In order to achieve the purpose, the utility model provides a waste gas purification tower, which comprises a tower body, a dehydration and demisting device, a spraying and water distributing device and a rotational flow device, wherein the dehydration and demisting device, the spraying and water distributing device and the rotational flow device are arranged inside the tower body; the spraying water distribution device comprises water spray heads, and the water spray heads comprise a first water spray head, a second water spray head and a third water spray head; the cyclone device comprises a cyclone plate and a balance pipe, the balance pipe is obliquely arranged below the cyclone plate at a certain angle, the cyclone plate comprises a first cyclone plate, a second cyclone plate and a third cyclone plate, and the balance pipe comprises a first balance pipe and a second balance pipe; the first water spray head, the first rotational flow plate, the second water spray head, the first equalizing pipe, the second rotational flow plate, the third water spray head, the second equalizing pipe and the third rotational flow plate are sequentially arranged from top to bottom; the dewatering defogging device is arranged above the first water spray head.
Preferably, the rotational flow plate comprises an inner support, a middle support, an outer support and blades, the inner support, the middle support and the outer support are sequentially arranged from inside to outside, one end of each blade is arranged on the inner support, the blade passes through the middle support, and the other end of each blade is arranged on the outer support; the first, second and third swirl plates are swirl plates with the same structure.
Preferably, the first equalizing pipe is obliquely arranged below the first cyclone plate at a certain angle, one port of the first equalizing pipe is arranged at the joint of the first cyclone plate and the inner wall of the tower body, and the other port of the first equalizing pipe obliquely points downwards to the center line of the tower body; the second equalizing pipe is obliquely arranged at a certain angle below the second cyclone plate, one end opening of the second equalizing pipe is arranged at the joint of the second cyclone plate and the inner wall of the tower body, and the other end opening of the second equalizing pipe is obliquely and downwards directed to the central line of the tower body.
Preferably, the first, second and third water nozzles are arranged on the center line of the tower body from top to bottom in sequence.
Preferably, the waste gas purification tower still including set up in the circulating water pond of tower body bottom and setting are in the circulating water pump of tower body bottom side, first, second and third water shower nozzle pass through the pipeline with circulating water pump is connected.
Preferably, the exhaust gas purifying tower further comprises an air inlet which is arranged at the side of the tower body and is positioned between the third cyclone plate and the circulating water tank.
Preferably, the waste gas purification tower further comprises an air outlet, and the air outlet is arranged at the top end of the tower body.
Preferably, the waste gas purification tower further comprises a center column, the center column is arranged between the bottom of the waste gas purification tower and the third cyclone plate, and the center line of the center column coincides with the center line of the tower body.
Preferably, the dewatering and demisting device is a dewatering device or a dewatering plate.
The utility model provides a pair of exhaust gas purification tower, the body of the tower internal diameter with highly very reasonable, purifier in the tower by the whirl device, spray the water distribution device and the dehydration defogging device is constituteed, all have the characteristic of self in aspects such as design calculation, structural component and processing technology, guaranteed that flue gas purification system operating load is big with operation elasticity, mass transfer efficiency is high, prevent that stifled can the reinforce and the outstanding advantage such as desulfurization dust collection efficiency height.
Drawings
Fig. 1 is a schematic structural diagram of an exhaust gas purification tower provided by the present invention.
Fig. 2 is a schematic view of a rotational flow plate structure of an exhaust gas purifying tower provided by the present invention.
FIG. 3 is a flow chart of a paint spraying waste gas treatment process using the waste gas purification tower provided by the present invention.
Description of the reference numerals
1 tower body 2 dewatering plate
31 first water jet 32 second water jet
33 third water jet 41 swirl plate
411 first swirl plate 412 second swirl plate
413 third swirl plate 414 inner support
415 middle support 416 outer support
417 vane 421 first equalizing pipe
422 second equalizing pipe 5 circulating water pool
51 circulating water pump 6 air inlet
7 air outlet 8 central column
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing the embodiments of the present invention, if detailed description of related well-known elements or functions hinders the gist of the present invention, detailed description thereof will be omitted.
Referring to fig. 1 to 2, the waste gas purification tower provided by the present invention comprises a tower body 1, and a dehydration demisting device, a spray water distribution device and a cyclone device which are arranged inside the tower body 1; the dehydration and demisting device is arranged at the top of the tower body 1 and comprises a special dehydrator, a dehydration ring or a dehydration plate and the like, the spray water distribution device comprises a water spray head which is formed by a large-diameter spray pipe and is arranged at the upper part of the rotational flow device and used for ensuring that the flow of the circulating absorption liquid meets the design requirement, and the water spray head comprises a first water spray head 31, a second water spray head 32 and a third water spray head 33; the cyclone device is the heart of the waste gas purification tower, is arranged in a desulfurization and dust removal working area in the tower, and comprises a cyclone plate 41 and a balance pipe, wherein the balance pipe is obliquely arranged below the cyclone plate 41 at a certain angle; the swirl plate 41 comprises a first swirl plate 411, a second swirl plate 412 and a third swirl plate 413, and the balance pipe comprises a first balance pipe 421 and a second balance pipe 422; the first water spray head 31, the first rotational flow plate 411, the second water spray head 32, the first equalizing pipe 421, the second rotational flow plate 412, the third water spray head 33, the second equalizing pipe 422 and the third rotational flow plate 413 are sequentially arranged from top to bottom; the dehydration and demisting device of the waste gas purification tower adopts a dehydration plate 2, and the dehydration plate 2 is arranged above the first water spray head 31.
The cyclone plate 41 comprises an inner bracket 414, a middle bracket 415, an outer bracket 416 and blades 417, wherein the inner bracket 414, the middle bracket 415 and the outer bracket 416 are sequentially arranged from inside to outside, one end of each blade 417 is arranged on the inner bracket 414, passes through the middle bracket 415, and the other end of each blade 417 is arranged on the outer bracket 416; the first, second and third swirl plates 411, 412 and 413 are swirl plates having the same structure.
The first equalizing pipe 421 is obliquely arranged below the first cyclone plate 411 at a certain angle, one port of the first equalizing pipe 421 is arranged at the joint of the first cyclone plate 411 and the inner wall of the tower body 1, and the other port of the first equalizing pipe is obliquely and downwardly directed to the center line of the tower body 1; the second equalizing pipe 422 is obliquely arranged below the second cyclone plate 412 at a certain angle, one port of the second equalizing pipe 422 is arranged at the joint of the second cyclone plate 412 and the inner wall of the tower body 1, and the other port of the second equalizing pipe 422 obliquely points downwards to the central line of the tower body 1.
The first, second and third water jets 31, 32 and 33 are sequentially disposed on the center line of the tower body 1 from top to bottom.
Waste gas purification tower is still including setting up the circulating water pond 5 and the setting of 1 bottom of body of the tower are in the circulating water pump 51 of 1 bottom side of the body of the tower, 1 bottom side of the body of the tower is equipped with the second circulating water pond, circulating water pump 51 sets up in the second circulating water pond, the second circulating water pond with circulating water pond 5 intercommunication, the second circulating water pond can insert the running water, first, second and three water shower nozzles 31, 32 and 33 pass through the pipeline with circulating water pump 51 connects.
The waste gas purification tower further comprises an air inlet 6, wherein the air inlet 6 is arranged on the side surface of the tower body 1 and is positioned between the third cyclone plate 413 and the circulating water tank 5.
The waste gas purification tower also comprises a gas outlet 7, wherein the gas outlet 7 is arranged at the top end of the tower body 1.
The waste gas purification tower further comprises a center column 8, the center column 8 is arranged between the bottom of the waste gas purification tower and the third spiral-flow plate 413, the bottom end of the center column 8 is arranged on the bottom of the waste gas purification tower, the top end of the center column is connected with the third spiral-flow plate 413, and the center line of the center column 8 coincides with the center line of the tower body 1.
Hereinafter, a method of using the exhaust gas purifying tower according to the present invention will be described.
Referring to fig. 1 to 3, the process flow of the paint spraying waste gas treatment process using the waste gas purification tower provided by the utility model is as follows: waste gas from painting → water curtain cabinet → waste gas purification tower → centrifugal fan → activated carbon adsorber → up to standard high altitude discharge; in the paint spraying waste gas treatment process flow, the waste gas purification tower plays a main role in desulfurization and dust removal. The utility model provides a waste gas purification tower which adopts wet flue gas for dust removal, and a purification device in the tower comprises a cyclone device, a spraying water distribution device and a dehydration demisting device; the flue gas enters the tower bottom tangentially, and when spirally ascends around the central column 8 at the bottom, the flue gas is strengthened to rotate under the guiding action of the rotational flow plate; the spraying water distribution device is sequentially provided with 3 groups of large-diameter spray pipes from top to bottom for spraying water distribution, so that large-flow liquid supply can be realized; the water meets the flue gas to form absorption liquid, the absorption liquid and the flue gas do relative motion in the tower, the water spray heads are arranged at the upper part of the rotational flow plate, and the water spray heads and the rotational flow plate are alternately arranged from top to bottom, so that the gas-liquid contact is more sufficient, and the dust removal effect is favorably improved; the smoke rotates and rises, the absorption liquid flowing down from the cyclone plate to the cyclone plate is sprayed into a fog shape, the contact area between gas and liquid is increased, dust particles in the smoke are adhered by fog drops and thrown onto the inner wall of the tower body 1 under the action of centrifugal force to flow down along with the liquid, the dust removal effect is further improved, and the balance pipe is used for collecting the absorption liquid; in the wet flue gas dust removal system, a strong heat and mass transfer process occurs between gas and liquid, most of absorption liquid returns to a circulating water tank, a small amount of absorption liquid is taken away by flue gas to cause the moisture content of the flue gas to be too high, and a dehydration and demisting device is arranged at the top of a tower body 1 and is used for dehydrating the flue gas. If the rising speed of the flue gas in the tower is high, the detention time is short, the dust removal effect cannot be guaranteed, the cyclone device can strictly control the rising speed of the flue gas in a design range, the reaction time of the flue gas in the tower is prolonged, and the cyclone device plays a decisive role in improving the dust removal efficiency, ensuring the stability of the dust removal performance and the standard emission of the flue gas; in order to improve the dust removal efficiency, the flow of the circulating absorption liquid must be properly improved, the spraying water distribution device adopts a large-caliber spray pipe and non-nozzle liquid supply mode, can realize large-flow liquid supply, has no strict requirement on water quality, and simultaneously has basically zero equipment abrasion, so the fault rate is low, and the operation and the maintenance are simple; the low-resistance high-efficiency cyclone plate tower accepts all the advantages of domestic cyclone plate tower series desulfurization and dust removal products, and simultaneously, the flue gas inlet structure, the internal device and the gas-liquid separation device of the cyclone tower are further optimized by introducing, digesting and absorbing foreign companies; the water system adopts closed circulation (or open circuit mode), adopts PVC pipeline, and basically solves the problem of scaling corrosion of pipeline, so that compared with the traditional cyclone column plate series products, the system has stronger adaptability and higher dust removal and desulfurization efficiency, and simultaneously, the system greatly improves the flue gas dehydration and demisting device by referring to the foreign dehydration and demisting device technology, strengthens the purified flue gas dehydration function, and ensures that the dehydration efficiency reaches more than 95%. The utility model provides a pair of exhaust gas purification tower, the body of the tower internal diameter with highly very reasonable, purifier in the tower by the whirl device, spray the water distribution device and the dehydration defogging device is constituteed, all have the characteristic of self in aspects such as design calculation, structure composition, processing technology, guaranteed that flue gas purification system operating load is big with operation elasticity, mass transfer efficiency is high, prevent that stifled can the reinforce and the outstanding advantage such as desulfurization dust collection efficiency height.
The preferred embodiments of the present invention have been described in detail. However, the present invention is not limited to the above-described embodiments, and can be implemented in various forms. The embodiments disclosed in this specification are intended only to complete the disclosure of the present invention so that those skilled in the art can fully understand the scope of the present invention. The protection scope of the present invention should be subject to the content of the claims.
Claims (9)
1. An exhaust gas purification tower, comprising:
a tower body; and
the dehydration and demisting device, the spraying and water distributing device and the rotational flow device are arranged in the tower body;
the method is characterized in that:
the spraying water distribution device comprises water spray heads, and the water spray heads comprise a first water spray head, a second water spray head and a third water spray head;
the cyclone device comprises a cyclone plate and a balance pipe, and the balance pipe is obliquely arranged below the cyclone plate at a certain angle;
the cyclone plates comprise a first cyclone plate, a second cyclone plate and a third cyclone plate, and the balance pipe comprises a first balance pipe and a second balance pipe;
the first water spray head, the first rotational flow plate, the second water spray head, the first equalizing pipe, the second rotational flow plate, the third water spray head, the second equalizing pipe and the third rotational flow plate are sequentially arranged from top to bottom;
the dewatering defogging device is arranged above the first water spray head.
2. The waste gas purification tower as claimed in claim 1, wherein the swirl plate comprises an inner support, a middle support, an outer support and a blade, the inner support, the middle support and the outer support are arranged in sequence from inside to outside, one end of the blade is arranged on the inner support, the blade passes through the middle support, and the other end of the blade is arranged on the outer support; the first, second and third swirl plates are swirl plates with the same structure.
3. An exhaust gas purification tower as claimed in claim 1 or 2, wherein the first equalizing pipe is disposed at an angle and obliquely below the first cyclone plate, one port of the first equalizing pipe is disposed at a junction of the first cyclone plate and the inner wall of the tower body, and the other port is directed obliquely downward toward the center line of the tower body; the second equalizing pipe is obliquely arranged at a certain angle below the second cyclone plate, one end opening of the second equalizing pipe is arranged at the joint of the second cyclone plate and the inner wall of the tower body, and the other end opening of the second equalizing pipe is obliquely and downwards directed to the central line of the tower body.
4. An exhaust gas purification tower as claimed in claim 1, wherein said first, second and third water jets are arranged in sequence from top to bottom on a centerline of said tower body.
5. An exhaust gas purification tower as claimed in claim 1 or 4, further comprising a circulating water tank disposed at the bottom of the tower body and a circulating water pump disposed at the bottom side of the tower body, wherein the first, second and third water nozzles are connected to the circulating water pump through pipes.
6. An exhaust gas purification tower according to claim 5, further comprising an air inlet provided at a side of the tower body at a position between the third cyclone plate and the circulation water tank.
7. The exhaust gas purification tower of claim 1, further comprising an air outlet disposed at a top end of the tower body.
8. The waste gas purification tower as claimed in claim 1, further comprising a center column disposed between the bottom of the waste gas purification tower and the third cyclone plate, wherein a center line of the center column coincides with a center line of the tower body.
9. An exhaust gas purification tower according to claim 1, wherein the dehydration demisting device is a dehydrator or a dehydration plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920371659.6U CN209968001U (en) | 2019-03-22 | 2019-03-22 | Waste gas purification tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920371659.6U CN209968001U (en) | 2019-03-22 | 2019-03-22 | Waste gas purification tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209968001U true CN209968001U (en) | 2020-01-21 |
Family
ID=69255344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920371659.6U Expired - Fee Related CN209968001U (en) | 2019-03-22 | 2019-03-22 | Waste gas purification tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209968001U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112058041A (en) * | 2020-07-30 | 2020-12-11 | 贵州省天净环保工程有限公司 | Cluster type desulfurizing tower |
| CN113350927A (en) * | 2021-04-20 | 2021-09-07 | 南通大学 | Vertical cyclone tower |
| CN117732182A (en) * | 2024-02-19 | 2024-03-22 | 福建浩氧环保有限公司 | Take regulation formula defogging layer scrubbing tower |
-
2019
- 2019-03-22 CN CN201920371659.6U patent/CN209968001U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112058041A (en) * | 2020-07-30 | 2020-12-11 | 贵州省天净环保工程有限公司 | Cluster type desulfurizing tower |
| CN113350927A (en) * | 2021-04-20 | 2021-09-07 | 南通大学 | Vertical cyclone tower |
| CN117732182A (en) * | 2024-02-19 | 2024-03-22 | 福建浩氧环保有限公司 | Take regulation formula defogging layer scrubbing tower |
| CN117732182B (en) * | 2024-02-19 | 2024-05-14 | 福建浩氧环保有限公司 | Take regulation formula defogging layer scrubbing tower |
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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: 20200121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |