CN218459036U - Multistage cyclone washing tower - Google Patents

Abstract

The utility model relates to a multistage whirl scrubbing tower. This multistage whirl scrubbing tower includes casing, defogging packing layer, multistage whirl structure and spraying system, the casing includes air intake and air outlet, multistage whirl structure with the defogging packing layer is followed the air intake is to the direction of air outlet is arranged in proper order, multistage whirl structure includes along the follow the air intake is to a plurality of whirl boards that the direction of air outlet was arranged in proper order, spraying system includes the multiunit shower nozzle, and every group the shower nozzle is a plurality of correspondingly towards at least two in the whirl board. The utility model discloses a washing efficiency has been improved through multistage whirl structure and spraying system, has avoided the filler to block up.

Description

Multistage cyclone washing tower

Technical Field

The utility model relates to an atmosphere environmental protection field, concretely relates to multistage whirl scrubbing tower.

Background

In order to meet the environmental protection requirements and reduce environmental pollution, waste gas generated in industry is often purified by a washing tower and/or a cyclone tower and then discharged into the atmosphere. At present, the wide application's of industry whirl tower is single-stage whirl board whirl tower mostly, single-stage whirl tower sets up spray shower nozzle on the whirl board, the defogging packing layer is set up again at the top, but this kind of whirl tower exhaust gas purification effect is not good, the clearance is low, it is very poor to get rid of the effect to the strong material of adhesiveness such as oils, dust volume is more in the waste gas, when the stronger material of adhesiveness such as oil, dust and viscous substance bond easily on the defogging packing layer, the defogging filler blocks, defogging layer gas-liquid area of contact reduces after blocking, make whirl tower dust removal and defogging effect greatly reduced, cause the dust or other particulate matters to get into follow-up equipment, simultaneously can greatly increased whirl tower maintenance work volume, and difficult the maintenance, it is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be not enough to prior art, the utility model aims at providing a multistage whirl scrubbing tower, this multistage whirl scrubbing tower can improve washing efficiency, avoid blockking up the defogging and pack to be convenient for clear up.

In order to achieve the above object, the utility model provides a multistage whirl scrubbing tower, it includes casing, defogging packing layer, multistage whirl structure and spraying system, the casing includes air intake and air outlet, multistage whirl structure with the defogging packing layer is followed the air intake arrives the direction of air outlet is arranged in proper order, multistage whirl structure includes follows the air intake arrives a plurality of whirl boards that the direction of air outlet was arranged in proper order, spraying system includes the multiunit shower nozzle, every group the shower nozzle correspondingly moves towards a plurality ofly in the whirl board at least two the whirl board.

Preferably, each set of said spray heads is arranged independently of each other.

Preferably, every group the shower nozzle setting is adjacent between the whirl plate, and be located adjacently one in the whirl plate the bottom of whirl plate and towards another the top of whirl plate.

Preferably, each set of said jets comprises a plurality of dispersedly distributed jets.

Preferably, the multi-stage cyclone washing tower further comprises a water tank, the water tank is connected with the spraying system, and the water tank is provided with a detachable top cover.

Preferably, the spraying system further comprises a plurality of water distribution pipes, a first end of each water distribution pipe is connected with one group of spray heads, and a second end of each water distribution pipe is connected with the water tank through an independent valve or pump.

Preferably, the water tank is detachably attached to the outside of the housing or the water tank is detachably mounted in the housing.

Preferably, the water tank is connected to or disposed at the bottom end of the housing.

Preferably, the housing further includes a plurality of maintenance holes, and the plurality of maintenance holes are sequentially arranged in a direction from the air inlet to the air outlet.

Preferably, the air inlet is located at the bottom end of the shell, and the air outlet is located at the top end of the shell.

Compared with the prior art, the utility model discloses can gain following beneficial effect:

the utility model discloses a multistage whirl scrubbing tower adopts multistage whirl structure and spraying system and defogging packing layer to wash waste gas, multilayer whirl board and spraying system's multiunit shower nozzle cooperation, the area of contact of particulate matter and water is improved, most dust and the viscidity in the waste gas have been got rid of effectively, the washing effect has been improved, and the gaseous rethread defogging packing layer after the whirl board filters, get rid of the steam in the gas, avoid influencing gaseous aftertreatment, because dust and viscidity content are few in the gas through the defogging packing layer, be difficult to block up the defogging packing layer, the purification efficiency is improved, the maintenance cost is reduced. The utility model discloses a multistage whirl scrubbing tower is particularly useful for the waste gas treatment occasion that the dust is more, contain oil and other strong materials of adhesion.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the multi-stage cyclone scrubber of the present invention. In the figure, a shell 1, an air inlet 11, an air outlet 12, a maintenance hole 13, a demisting packing layer 2, a multi-stage cyclone mechanism 3, a cyclone plate 31, a spraying system 4, a spray head 41, a water dividing pipe 42, a valve 43, a pump 44, a water tank 5 and a top cover 51.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Detailed Description

Referring to fig. 1, the present embodiment provides a multi-stage cyclone scrubber suitable for exhaust gas treatment, particularly for purification treatment of exhaust gas containing a large amount of dust and adhesive substances. The multistage cyclone scrubbing tower of this embodiment mainly includes casing 1, defogging packing layer 2, multistage cyclone mechanism 3 and spraying system 4, and wherein casing 1 can adopt metals such as stainless steel to make, and casing 1 is used for providing the cavity that forms gaseous flow channel, and defogging packing layer 2, multistage cyclone mechanism 3 and spraying system 4 set up respectively in casing 1.

The housing 1 includes an air inlet 11 and an air outlet 12, the exhaust gas can flow in from the air inlet 11 and flow out from the air outlet 12, and the direction from the air inlet 11 to the air outlet 12 is the gas flowing direction. Multistage whirl structure 3 and defogging packing layer 2 are arranged along the direction from air intake 11 to air outlet 12 in proper order, and multistage whirl structure 3 and defogging packing layer 2 are arranged along the gas flow direction in proper order promptly for the waste gas that gets into casing 1 passes through multistage whirl structure 3 and defogging packing layer 2 in proper order, sprays the washing by multistage whirl structure 3 earlier and filters, further detach steam through defogging packing layer 2 again.

Multistage whirl structure 3 includes a plurality of whirl boards 31 that follow the direction from air intake 11 to air outlet 12 and arrange in proper order, and a plurality of whirl boards 31 arrange in proper order along the gas flow direction promptly for waste gas carries out the whirl washing in proper order through a plurality of whirl boards 31, realizes multistage whirl washing. The whirl plate 31 can be current whirl plate, and whirl plate 31 has the blade that the slope set up, and the blade can play the guide effect to waste gas for gaseous spiral shell screwing in rises, still makes liquid dispersion increase gas-liquid area of contact. No packing is provided between the swirl plates 31.

The spraying system 4 comprises a plurality of groups of spray nozzles 41, and each group of spray nozzles 41 faces at least two swirl plates 31 of the plurality of swirl plates 31 correspondingly. For example, in some embodiments, each set of nozzles 41 may be correspondingly oriented toward each swirl plate 31, i.e., each swirl plate 31 has a corresponding set of nozzles 41 for spraying water mist thereon, so that each swirl plate 31 has a uniform thin liquid layer thereon to promote gas-liquid contact. In some embodiments, only a part of the swirl plates 31 may be provided with the corresponding spray nozzles 41, and the other part of the swirl plates 31 does not have the corresponding spray nozzles, so that the swirl plates 31 may be covered with the water flowing from the adjacent swirl plates 31 to the swirl plates 31 without the corresponding spray nozzles or the water flowing from the adjacent swirl plates 31 may be driven by the air flow, thereby forming a liquid film to contact with the gas. In some embodiments, the swirl plate 31 closest to the demister filler layer 2 may not have a spray nozzle 41 corresponding thereto, so as to reduce the humidification of the air near the demister filler layer 2.

When the multistage cyclone washing tower works, waste gas enters the multistage cyclone washing tower from the air inlet 11, and then passes through the washing of the multistage cyclone mechanism 3 and the spraying system 4 along the flowing direction of the gas flow, and the gas after the multistage washing is dehumidified through the demisting packing layer 2 and is discharged through the air outlet 12. Most of the impurities in the exhaust gas, such as dust, oil and other sticky substances, are filtered out from the exhaust gas under the action of the water mist and the water film formed by the multi-stage cyclone system 3 and the spraying system 4, and flow downwards along with the water under the action of gravity and/or centrifugal force caused by the inclined guiding of the cyclone plates to the water flow.

Preferably, each group of nozzles 41 in the spraying system 4 is independently arranged, each group of nozzles 41 does not affect each other, the spraying amount of each group of nozzles 41 can be independently controlled, and especially considering that the impurity content of the cyclone plates 31 arranged in different orders along the airflow direction is different, the spraying amount of each group of nozzles 41 can be controlled according to the impurity content.

Preferably, each group of spray nozzles 41 in the multistage cyclone washing tower are arranged between the adjacent cyclone plates 31 and located at the bottom end of one cyclone plate 31 in the adjacent cyclone plates 31 and face the top end of the other cyclone plate 31, so that the distance between the spray nozzles 41 and the cyclone plates 31 facing the spray nozzles is increased, that is, the spraying stroke of water sprayed out from the spray nozzles 41 is increased, the area of the water sprayed on the cyclone plates 31 is larger, and the water mist is more dispersed.

Preferably, each set of nozzles 41 comprises a plurality of dispersedly distributed nozzles 41, for example, the nozzles 41 are uniformly distributed with respect to the surface of the swirl plate 31 facing the nozzles, so that the water mist sprayed by the nozzles 41 and the water film formed on the swirl plate 31 are more uniform.

Preferably, the multi-stage cyclone washing tower further comprises a water tank 5, and the water tank 5 is connected with the spraying system 4 and provides water for the spraying system 4. The water tank 5 has the top cap 51 that can install and remove, and when impurity content was too high, influenced the washing effect in water tank 1, can handle the water in the water tank 5 through dismantling top cap 51, for example, fish the sediment in the water tank 5 out, the clearance of being convenient for avoids frequently changing water.

Preferably, the spraying system 4 comprises a plurality of branch pipes 42, a first end of each branch pipe 42 is connected with one group of spray heads 41, and a second end of each branch pipe 42 is connected with the water tank 5 through an independent valve 43 or an independent pump 44, so that independent control of each group of spray heads 41 is realized. In some embodiments, the second end of each of the knock out pipes 42 is connected to the water tank 5 by a separate pump 44, and the supply and cut-off of water and the supply of water to the knock out pipe 42 are controlled by the opening and closing and the rotation speed of the pump 44, etc. In some embodiments, at least part of the knock out pipe 42 is connected to the same pump 44 and the supply of water shut off and supply of water are controlled by separate valves 43.

Preferably, the water tank 5 is detachably connected to the outside of the housing 1, and the water tank 5 is independent of the housing 1, so that the inside of the water tank 5 can be cleaned conveniently and water can be changed conveniently. Or the water tank 5 is detachably mounted in the housing 1, so that the water tank 5 can be detached for cleaning when a large amount of viscous substance adheres to the water phase. When the water tank 5 is installed in the housing 1, a sealing washer and the like can be arranged to prevent exhaust gas from leaking from the installation place.

Preferably, the water tank 5 is connected or arranged at the bottom end of the housing 1, so that the water sprayed and washed by the spraying system 4 can be gathered at the bottom end of the housing 1 and flow back to the water tank 5 for recycling, and the water tank 5 can be provided with a return opening for collecting water.

Preferably, the housing 1 further includes a plurality of maintenance holes 13, and the plurality of maintenance holes 13 are sequentially arranged in a direction from the air inlet 11 to the air outlet 12. For example, the repair holes 13 may be provided in one-to-one correspondence with a plurality of swirl plates 31 and/or demister packing layers 2, to facilitate repair of individual components, replacement of materials, and the like. The maintenance hole 13 may be provided with a detachable seal sheet to close the housing 1 when maintenance is not required.

Preferably, the air inlet 11 is located at the bottom end of the housing 1, and the air outlet 12 is located at the top end of the housing 1. For example, the air inlet 11 is disposed at a side edge of the bottom end of the housing 1 and above the water tank 5, the air outlet 12 is disposed at the top of the housing 1 and above the defogging filler layer 2, and a swirling flow washing zone is disposed between the defogging filler layer 2 and the air outlet 12. The intake vent 11 may have an extension duct extending towards the middle of the housing 1 to help to provide uniform airflow distribution. The multistage cyclone mechanism 3 and the demisting packing layer 2 are vertically arranged in the shell 1 from bottom to top.

Finally, it should be emphasized that the above-described embodiments are merely preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a multistage whirl scrubbing tower, its characterized in that includes casing, defogging packing layer, multistage whirl structure and spraying system, the casing includes air intake and air outlet, multistage whirl structure with the defogging packing layer is followed the air intake is to the direction of air outlet is arranged in proper order, multistage whirl structure includes along following the air intake is to a plurality of whirl boards that the direction of air outlet was arranged in proper order, spraying system includes the multiunit shower nozzle, every group the shower nozzle is a plurality of correspondingly towards at least two among the whirl board.

2. A multi-stage cyclonic scrubber as claimed in claim 1, wherein the spray heads of each group are arranged independently of each other.

3. The multi-stage cyclone scrubber tower as claimed in claim 1 or 2, wherein each set of spray nozzles is disposed between adjacent swirl plates and located at the bottom end of one of the adjacent swirl plates and faces the top end of the other swirl plate.

4. A multi-stage cyclone scrubber tower as claimed in claim 1 or 2, wherein each set of spray nozzles comprises a plurality of spray nozzles distributed in a dispersed manner.

5. A multi-stage cyclone scrubber tower as recited in claim 1 or claim 2 further comprising a water tank coupled to the spray system, the water tank having a removable top cover.

6. The multi-stage cyclonic scrubber of claim 5, wherein the spray system further comprises a plurality of water distribution pipes, a set of spray heads is connected to a first end of each water distribution pipe, and a second end of each water distribution pipe is connected to the water tank via an independent valve or pump.

7. A multi-stage cyclone scrubber tower as recited in claim 5 wherein the water tank is removably attached to the exterior of the housing or the water tank is removably mounted within the housing.

8. A multi-stage cyclonic scrubber as claimed in claim 5, wherein the water tank is connected to or disposed at the lower end of the housing.

9. The multi-stage cyclone scrubber tower as claimed in claim 1 or 2, wherein the housing further comprises a plurality of maintenance holes, and the maintenance holes are arranged in sequence along a direction from the inlet opening to the outlet opening.

10. The multi-stage cyclone scrubber tower as recited in claim 1 or 2, wherein the inlet is located at the bottom end of the housing and the outlet is located at the top end of the housing.

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