CN210278803U

CN210278803U - Spray tower for preventing filler/spray device from being blocked

Info

Publication number: CN210278803U
Application number: CN201920926472.8U
Authority: CN
Inventors: 孙文成
Original assignee: Shanghai Langwei Environmental Protection Technology Co ltd
Current assignee: Shanghai Langwei Environmental Protection Technology Co ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-04-10
Anticipated expiration: 2029-06-19

Abstract

The utility model provides a prevent spray column that filler/spray set blockked up, arrange in proper order including tower body, top-down in the tower body remove fog layer, first spray dish, first packing layer, second spray dish, second packing layer and water tank, the water tank is located the bottom of tower body and sprays the dish through the pipeline respectively with first spray dish and second through the circulating pump and be connected, and the circulating pump sprays the pipeline facial make-up between the dish with first spray dish and second and is equipped with bag filter. The utility model discloses a prevent spray column that packs/spray set blockked up through add the filter bag filter on the spray piping at the detergent, improves the operation environment that packs and spray set, gets rid of the impurity that arouses to pack and spray set blocks up in the detergent of used cyclically, makes spraying system last normal operating, avoids packing, spray set, the emergence of spraying the pipeline jam condition, has improved spray column treatment effeciency.

Description

Spray tower for preventing filler/spray device from being blocked

Technical Field

The utility model belongs to the waste gas treatment field relates to an acid-base waste gas treatment equipment, especially relates to a prevent to pack spray column that spray set blockked up.

Background

The spray tower is widely applied to the industries of printing, chemical engineering, spraying, semiconductors and the like. The spraying tower is sprayed uniformly by a spraying device, and then the waste gas components are dissolved in water and fully react with the washing agent through the absorption of the filler. The spray device and the filler are important components of the spray tower, and after the spray tower operates for a certain time, the spray nozzle and the filler are blocked by impurities which cannot be dissolved in the detergent, so that the treatment efficiency of the waste gas is reduced. And the conditions of inconvenient manual operation, high safety protection requirement, long replacement downtime and the like exist during replacement operation.

The blockage of the spraying device and the filler can reduce the spraying water amount, the contact area of gas and the detergent is reduced, and then the treatment efficiency is reduced, so that the outlet waste gas is not up to standard. At the moment, the filler and the spraying device need to be replaced regularly, due to the structure and the height of the spraying tower, manual replacement can only be carried out through the observation port during replacement, the operation space is small, most of the spraying towers are too high, strict safety measures need to be taken during replacement, the labor cost is high, the efficiency is low, and potential safety hazards are accompanied. Therefore, there is a need for improvements to existing spray towers.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: in response to the deficiencies of the prior art, a spray tower is provided that prevents packing/spray device plugging.

The utility model provides a prevent spray column that packs/spray set blockked up, main technical scheme is with the quality of water improvement of the circulating water of spraying system mesocycle, get rid of the easy impurity that blocks up packs/spray set in the circulating water for solve when the spray column after operation certain time, the nozzle can be blockked up by some impurity that can't be dissolved in the detergent with packing, and it is inconvenient to have manual operation when changing the operation, and the safety precaution requires highly, changes the circumstances such as the downtime is long.

The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:

the utility model provides a prevent spray column that filler/spray set blockked up, arrange in proper order including tower body, top-down in the tower body remove fog layer, first spray dish, first packing layer, second spray dish, second packing layer and water tank, the water tank be located the bottom of tower body and through the pipeline through the circulating pump respectively with first spray dish and second spray dish are connected, the circulating pump with first spray dish and second spray the pipeline facial make-up between the dish and be equipped with bag filter.

Furthermore, the spray tower for preventing the filler/spray device from being blocked further comprises a dosing box arranged on the outer side of the tower body, and the dosing box is connected with the water tank through a pipeline.

Furthermore, on the spray tower for preventing the filler/spray device from being blocked, the top of the water tank is provided with a conical opening and is connected with the inner wall of the tower body.

Furthermore, on the spray tower for preventing the packing/spray device from being blocked, the first spray tray is provided with a plurality of first spray heads and a plurality of second spray heads which are connected with the first spray heads, the first spray heads are uniformly distributed at the bottom of the first spray tray, and the second spray heads are uniformly distributed in the first packing layer.

Further preferably, on the spray tower for preventing the packing/spraying device from being blocked, a plurality of first spray headers and a plurality of second spray headers are uniformly arranged on a horizontal plane.

Further preferably, the number of the second spray headers is 1.5-3 times that of the first spray headers on the spray tower for preventing the packing/spray device from being blocked.

Furthermore, a plurality of third spray headers connected with the second spray tray are uniformly distributed below the second spray tray on the spray tower for preventing the packing/spray device from being blocked, and the third spray headers are arranged close to the second packing layer.

Further, on the spray tower for preventing the packing/spraying device from being blocked, the first spray head, the second spray head and the third spray head adopt spiral nozzles.

Furthermore, on the spray tower for preventing the filler/spray device from being blocked, the top of the tower body is provided with an exhaust port, the side wall of the lower part of the tower body is provided with an air inlet, and the air inlet is positioned below the second filler layer.

Furthermore, on the spray tower for preventing the filler/spray device from being blocked, at least two observation ports are formed in the side wall of the tower body.

The utility model adopts the above technical scheme, compare with prior art, have following technological effect:

the utility model provides a prevent spray column that packs/spray set blockked up, through add the filter bag filter on the spray piping of detergent, improve the operation environment of packing and spray set, get rid of the impurity that causes packing and spray set to block up in the detergent of recycling, make the spraying system continue normal operation, avoid packing, spray set, spray piping blocking up the emergence of the condition, improved spray column treatment effeciency; the filter bag replacement is simpler and more convenient, the cycle of replacing circulating water is prolonged, the generated sludge is reduced, and the cost of success and labor are greatly reduced; in addition, through adjusting the spray pipeline in the spray tower, three layers of spray heads are arranged to form cross type layered spraying, so that a high-density spraying effect is achieved.

Drawings

Fig. 1 is a schematic structural view of a spray tower for preventing blockage of a packing/spray device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a spray tower for preventing blockage of a packing/spray device according to another embodiment of the present invention;

wherein the reference symbols are:

1-tower body, 2-air inlet, 3-air outlet, 4-demisting layer, 5-first spray tray, 6-first packing layer, 7-second spray tray, 8-second packing layer, 9-water tank, 10-circulating pump, 11-bag filter, 12-observation port, 13-dosing tank, 14-first spray header, 15-second spray header and 16-third spray header.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.

Example 1

Referring to fig. 1, the present embodiment provides a spray tower for preventing a packing/spray device from being blocked, which includes a tower body 1, a defogging layer 4, a first spray tray 5, a first packing layer 6, a second spray tray 7, a second packing layer 8 and a water tank 9 sequentially arranged in the tower body 1 from top to bottom, wherein the water tank 9 is located at the bottom of the tower body 1 and is respectively connected with the first spray tray 5 and the second spray tray 7 through a circulating pump 10 by a pipeline, and a bag filter 11 is installed on the pipeline between the circulating pump 10 and the first spray tray 5 and the second spray tray 7. Through add filter bag filter 11 on the shower pipeline of detergent, set up filter bag filter 11 on the shower pipeline behind circulating pump 10 specifically, in order to improve filler and spray set's operating environment, get rid of and arouse in the used detergent that recycles that first filler 6 and second filler 8 and first shower tray 5 and the impurity that second shower tray 7 blockked up, in order to guarantee that whole spraying system lasts normal operating, avoid the filler, spray set, the emergence of the shower pipeline jam condition, improved spray column treatment effeciency.

Referring to fig. 1, in the present embodiment, the spray tower for preventing clogging of the packing/spray device further includes a dosing tank 13 disposed outside the tower body 1, the dosing tank 13 is connected to the water tank 9 through a pipe, a cleaning agent is contained in the dosing tank 13, and when in use, the cleaning agent in the dosing tank 13 and water in the water tank 9 are mixed to prepare a detergent with a set PH.

As shown in fig. 1, in the present embodiment, an air outlet 3 is formed at the top of the tower body 1, an air inlet 2 is formed at the lower side wall of the tower body, and the air inlet 2 is located below the second packing layer 8. And the side wall of the tower body 1 is provided with at least two observation ports 12 which are respectively arranged corresponding to the first spray disk 5 and the second spray disk 7. The observation port 12 is used for observing the treatment condition in the tower body 1, or when the filler and the spraying device need to be replaced, an operator enters the tower body 1 from the observation port 12 to manually replace the filler or the first spraying disc 5 and the second spraying disc 7.

In this embodiment, the circulation pump 10 is communicated with the water tank 9 and the bottom of the tower 1 through a pipeline, and the circulation pump 10 can pump the detergent in the water tank 9 and the bottom of the tower 1 to the first spray tray 5 and the second spray tray 7 through the filter bag filter 11 independently or simultaneously.

The working principle of the spray tower for preventing the packing/spraying device from being blocked in the embodiment is as follows: referring to fig. 1, firstly, a detergent with a set PH is prepared in a water tank, the detergent is pumped by a circulating pump 10 and pumped to a first spray disk 5 and a second spray disk 7 through a bag filter 11 for spraying, the detergent reacts with harmful gas in waste gas entering from an air inlet 2 in the spraying process, clean gas is discharged from an air outlet 3 above, and the detergent returns to the bottom of the tower or the water tank 9 for circulating spraying. When the pressure gauge on the bag filter 11 indicates that the pressure exceeds a certain size, the filter bag needs to be replaced.

Example 2

Referring to fig. 2, unlike the above embodiment 1, the present embodiment provides a spray tower having three layers of spray headers to prevent clogging of the packing/spray device. Through adjusting the spray pipeline in the tower body 1, three layers of spray headers are arranged to form cross type layered spraying, so that a high-density spraying effect is achieved, and the problems that a filler forms a dry area, gas bias flows, outlet hydrogen sulfide exceeds the standard and the like due to low spraying density of the spray tower in the operation process of the spray tower are solved.

Referring to fig. 2, in the present embodiment, the first spray tray 5 is provided with a plurality of first spray heads 14 and a plurality of second spray heads 15 connected thereto, the plurality of first spray heads 14 are uniformly distributed at the bottom of the first spray tray 5, and the plurality of second spray heads 15 are uniformly distributed in the first packing layer 6. In addition, in order to improve the spraying uniformity, a plurality of the first spray headers 14 and a plurality of the second spray headers 15 are uniformly arranged on the horizontal plane. The number of the second spray headers 15 is 1.5 to 3 times that of the first spray headers 14, and preferably, as shown in fig. 2, the number of the second spray headers 15 is 2 times that of the first spray headers 14.

Referring to fig. 2, in the present embodiment, a plurality of third spray headers 16 connected to the second spray tray 7 are uniformly distributed below the second spray tray 7, and the third spray headers 16 are arranged near the second filler layer 8. The first spray header 14, the second spray header 15 and the third spray header 16 all adopt spiral nozzles.

The working principle of the spray tower for preventing the packing/spraying device from being blocked in the embodiment is as follows: referring to fig. 1, firstly, a detergent with a set PH is prepared in a water tank, the detergent is pumped by a circulating pump 10 and is pumped to a first spray header 14, a second spray header 15 and a third spray header 16 through a bag filter 11 to form cross type layered spraying, the detergent reacts with harmful gas in waste gas entering from a gas inlet 2 in the spraying process, clean gas is discharged from a gas outlet 3 above, and the detergent returns to the bottom of the tower or the water tank 9 for cyclic spraying. When the pressure gauge on the bag filter 11 indicates that the pressure exceeds a certain size, the filter bag needs to be replaced.

Example 3

Referring to fig. 2, unlike the above embodiment 1, the present embodiment provides a spray tower for preventing the blockage of the packing/spraying device, in which the top of the water tank 9 in the tower body 1 is a conical opening and is connected with the inner wall of the tower body 1 to form an inverted conical cover.

In this embodiment, as shown in fig. 1, the upper end edge of the cover is connected with the tower body 1 in a sealing manner, and the connection position of the cover and the tower body 1 is located below the air inlet 2 and below the air inlet 2 in order to prevent the air supply of the air inlet 2 from being affected. The lower end edge of the cover is connected with the top opening of the water tank 9. The water tank 9 with the conical cover body can collect all sprayed detergent, and impurities in the circularly sprayed detergent can be partially deposited at the bottom of the water tank 9.

The detergent collected in the water tank 9 is subjected to impurity removal through the circulating pump 10 and the bag filter 11 to remove impurities causing blockage of the filler and the spraying device in the recycled detergent, and then the recycled detergent is sent into the first spraying disc 5 and the second spraying disc 7, so that the detergent after the impurities are removed can enable the spraying system to continuously and normally operate, the blockage of the filler, the spraying device and the spraying pipeline is avoided, and the treatment efficiency of the spraying tower is improved.

The present invention has been described in detail with reference to the specific embodiments, but the present invention is only by way of example and is not limited to the specific embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are intended to be within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.

Claims

1. A spray tower for preventing a filler/spray device from being blocked comprises a tower body (1), a demisting layer (4), a first spray disc (5), a first packing layer (6), a second spray disc (7), a second packing layer (8) and a water tank (9) which are sequentially arranged in the tower body (1) from top to bottom, and is characterized in that the water tank (9) is positioned at the bottom of the tower body (1) and is respectively connected with the first spray disc (5) and the second spray disc (7) through a pipeline by a circulating pump (10), and a bag filter (11) is arranged on the pipeline between the circulating pump (10) and the first spray disc (5) and the second spray disc (7);

the first spray tray (5) is provided with a plurality of first spray heads (14) and a plurality of second spray heads (15) which are connected with the first spray heads (5), the first spray heads (14) are uniformly distributed at the bottom of the first spray tray (5), and the second spray heads (15) are uniformly distributed in the first packing layer (6).

2. Spray tower for preventing clogging of packing/spraying equipment according to claim 1, characterised in that it further comprises a dosing tank (13) arranged outside the tower (1), said dosing tank (13) being connected to the water tank (9) by means of a pipe.

3. Spray tower for preventing blockage of packing/spray units according to claim 1, characterised in that the top of the water tank (9) is open conically and is connected to the inner wall of the tower (1).

4. The spray tower for preventing packing/spray device clogging according to claim 1, characterized in that a plurality of said first spray headers (14) and a plurality of said second spray headers (15) are uniformly arranged in a horizontal plane therebetween.

5. Spray tower for preventing clogging of packing/sprinklers according to claim 1, wherein the number of said second spray headers (15) is 1.5-3 times the number of said first spray headers (14).

6. The spray tower for preventing the blockage of the packing/spray devices according to claim 1, characterized in that a plurality of third spray headers (16) connected with the second spray tray (7) are uniformly distributed below the second spray tray (7), and the third spray headers (16) are arranged close to the second packing layer (8).

7. The spray tower for preventing packing/spray device clogging according to claim 6, characterized in that said first (14), second (15) and third (16) spray headers all employ spiral nozzles.

8. The spray tower for preventing the blockage of the packing/spraying device according to claim 1, wherein the top of the tower body (1) is provided with an exhaust port (3), the lower side wall is provided with an air inlet (2), and the air inlet (2) is positioned below the second packing layer (8).

9. Spray tower for preventing clogging of packing/spray units according to claim 1, characterised in that the tower (1) is provided with at least two inspection openings (12) in its side walls.