Cross-flow welding fume adsorption and purification tower

Abstract

The utility model discloses a cross-flow type welding fume adsorption purification tower, which belongs to the technical field of waste gas treatment and comprises a tower body, a cross-flow adsorption mechanism for treating welding fume is arranged in the tower body, and a spraying component for purifying the welding fume is arranged in the tower body. During use, welding fume is guided into the tower body, at the moment, gas can generate cross-flow motion when passing through the cross-flow adsorption mechanism, the cross-flow motion is beneficial to increasing the contact area of the gas and the cross-flow adsorption mechanism and prolonging the contact time of the gas and the cross-flow adsorption mechanism, contact between the gas and a filter medium can be more sufficient, and the filter efficiency is improved. By arranging the spraying assembly, reaction liquid matched with welding fume is injected into the tower body during use, then when the welding fume is adsorbed, the spraying assembly can pump out the reaction liquid and make contact with the welding fume, and the efficiency of purifying the welding fume is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a cross-flow welding smoke adsorption purification tower. Background Art

[0002] Welding smoke mainly refers to the general term for smoke and harmful gases generated during the welding process. Welding waste gas includes welding smoke and welding fume. The welding smoke generated during the welding process contains a large amount of harmful substances. If it is directly discharged into the atmosphere, it will pollute the environment and affect the air quality. By setting up a cross-flow welding smoke adsorption purification tower, these smoke can be effectively captured and purified, reducing pollution to the atmosphere and protecting the environment.

[0003] At present, in the activated carbon adsorption tower used for flue gas treatment, the activated carbon filter plate is basically used to adsorb the flue gas once, so it is difficult to ensure whether the content of particulate impurities in the flue gas meets the standard;

[0004] The existing patent (Announcement No.: CN214715053U) is an activated carbon adsorption tower for flue gas treatment, which performs the first treatment on the flue gas through the first activated carbon filter plate, and performs the first detection of particulate impurities in the flue gas under the action of the first dust sensor, performs the second treatment on the flue gas through the second activated carbon filter plate, and performs the second detection of particulate impurities in the flue gas under the action of the second dust sensor, and activates the exhaust fan under the action of the PLC controller to draw the substandard flue gas into the top of the second activated carbon filter plate again for treatment until it meets the standard, thereby ensuring the content of particulate impurities in the flue gas.

[0005] In view of the above problems, the existing patent provides a solution, but when in use, the harmful gas is introduced into the interior of the tower through the air inlet pipe, and then the solid particles in the gas are adsorbed by the first activated carbon filter plate. In this way, the contact area between the harmful gas and the filter plate is limited, and the filtering effect is low.

[0006] Therefore, a cross-flow welding fume adsorption purification tower is proposed. Utility Model Content

[0007] The purpose of the utility model is to provide a cross-flow welding smoke adsorption purification tower, which can solve the problem that the existing cross-flow welding smoke adsorption purification tower introduces harmful gases into the interior of the tower body through an air inlet pipe when in use, and then adsorbs solid particles in the gas through a first activated carbon filter plate. In this way, the contact area between the harmful gases and the filter plate is limited, and the filtering effect is low.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cross-flow welding smoke adsorption purification tower, comprising a tower body, a cross-flow adsorption mechanism for processing welding smoke is arranged inside the tower body, and a spray assembly for purifying welding smoke is arranged inside the tower body;

[0009] The cross-flow adsorption mechanism includes an air inlet groove, an air inlet pipe, a first filter screen, a second filter screen and a third filter screen. The air inlet groove is opened on the outer wall of the tower body, the air inlet pipe is connected to one end of the air inlet groove, the first filter screen is bolted to the inner wall of the tower body, the second filter screen is bonded to the bottom of the first filter screen, and the third filter screen is bonded between two adjacent second filter screens. The number of the first filter screens is three and they are evenly distributed, and the number of the second filter screens is several and they are evenly distributed.

[0010] Preferably, the spray assembly includes a water inlet pipe, a delivery pump, a drain pipe and a spray pipe, the water inlet pipe is connected and arranged on the outer wall of the tower body, the delivery pump is bolted to the outer wall of the tower body, the drain pipe is fixedly connected to the output end of the delivery pump, the spray pipe is arranged inside the tower body, one end of the water inlet pipe is fixedly connected to the input end of the delivery pump, and one end of the drain pipe is connected to one end of the spray pipe.

[0011] Preferably, a guide portion is bolted to the top of the tower body, and spiral blades for increasing the exhaust gas velocity are welded on the inner wall of the guide portion.

[0012] Preferably, a water collecting cavity is provided inside the flow guide portion, and a connecting groove is provided on the inner wall of the flow guide portion, and the connecting groove is connected with the inside of the water collecting cavity.

[0013] Preferably, an isolation net for isolating external debris is bolted to the top of the water collecting chamber, and the isolation net is made of stainless steel.

[0014] Preferably, a heating block for heating the reaction liquid inside the tower body is provided on the inner bottom wall of the tower body.

[0015] Preferably, a filter plate for preventing solid particles from entering the interior of the delivery pump is bolted to the inner wall of the tower body, and the filter plate is made of stainless steel.

[0016] Preferably, a support plate is bolted to the inner wall of the tower body, and one end of the support plate is welded to the bottom of the spray pipe.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The present application is provided with a cross-flow adsorption mechanism, which guides welding smoke into the interior of the tower body when in use. At this time, cross-flow movement will occur when the gas passes through the cross-flow adsorption mechanism. This cross-flow movement helps to increase the contact area and time between the gas and the cross-flow adsorption mechanism, and can make the contact between the gas and the filter medium more complete, thereby increasing the chances of harmful substances being captured and adsorbed, and improving the efficiency of adsorption.

[0019] 2. The present application is provided with a spray component, and when in use, a reaction liquid that cooperates with welding smoke is injected into the interior of the tower body. Then, when the welding smoke is adsorbed, the spray component can extract the reaction liquid and then contact it with the welding smoke, so that the harmful components in the welding smoke react with the reaction liquid, thereby improving the efficiency of purifying the welding smoke. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is the overall structural view of the utility model;

[0022] Figure 2 It is a left view of the utility model;

[0023] Figure 3 For this utility model Figure 2 The three-dimensional cross-section view at AA in the middle;

[0024] Figure 4 This is a structural view of the spray pipe of the utility model;

[0025] Figure 5 This is a structural view of the first filter screen, the second filter screen and the third filter screen of the utility model;

[0026] Figure 6 For this utility model Figure 3 Enlarged view of point A in the middle.

[0027] Description of reference numerals:

[0028] 1. Tower body; 2. Cross-flow adsorption mechanism; 3. Spray assembly; 4. Guide part; 5. Spiral blade; 6. Water collecting chamber; 7. Connecting groove; 8. Isolation net; 9. Heating block; 10. Filter plate; 11. Support plate; 201. Air inlet groove; 202. Air inlet pipe; 203. First filter screen; 204. Second filter screen; 205. Third filter screen; 301. Water inlet pipe; 302. Delivery pump; 303. Drain pipe; 304. Spray pipe. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figures 1 to 6 , the utility model provides a technical solution:

[0031] A cross-flow welding smoke adsorption purification tower comprises a tower body 1, a cross-flow adsorption mechanism 2 for treating welding smoke is arranged inside the tower body 1, and a spray assembly 3 for purifying welding smoke is arranged inside the tower body 1;

[0032] The cross-flow adsorption mechanism 2 includes an air inlet groove 201, an air inlet pipe 202, a first filter screen 203, a second filter screen 204 and a third filter screen 205. The air inlet groove 201 is opened on the outer wall of the tower body 1, the air inlet pipe 202 is connected to one end of the air inlet groove 201, the first filter screen 203 is bolted to the inner wall of the tower body 1, the second filter screen 204 is bonded to the bottom of the first filter screen 203, and the third filter screen 205 is bonded between two adjacent second filter screens 204. The number of first filter screens 203 is three and evenly distributed, and the number of second filter screens 204 is several and evenly distributed.

[0033] Specifically, Figure 6 As shown, a guide part 4 is bolted to the top of the tower body 1, and spiral blades 5 for increasing the exhaust gas velocity are welded on the inner wall of the guide part 4.

[0034] Specifically, Figure 6 As shown, a water collecting chamber 6 is provided inside the flow guiding portion 4 , and a connecting groove 7 is provided on the inner wall of the flow guiding portion 4 , and the connecting groove 7 is connected with the inside of the water collecting chamber 6 .

[0035] Specifically, Figure 3 As shown, an isolation net 8 for isolating external debris is bolted to the top of the water collecting chamber 6, and the isolation net 8 is made of stainless steel.

[0036] Specifically, Figure 3 As shown, a heating block 9 for heating the reaction liquid inside the tower body 1 is arranged on the inner bottom wall of the tower body 1 .

[0037] When in use, the reaction liquid used in conjunction with the welding smoke is placed inside the tower body 1, and then the welding smoke is introduced into the tower body 1 through the air inlet pipe 202 and the air inlet groove 201. At this time, the first filter 203, the second filter 204 and the third filter 205 will all contact with the welding smoke, causing the welding smoke to perform cross-flow motion. Cross-flow motion refers to the movement of gas in different directions during the flow process, which is inconsistent with the movement direction of the surrounding medium, so as to increase the contact between the gas and the medium, thereby improving efficiency. At the same time, the reaction liquid will also contact with the welding smoke to process the harmful substances in the welding smoke. When the welding smoke contacts the first filter 203, the second filter 204 and the third filter 205, the filtration efficiency of the welding smoke can be increased, so that the solid particles in the welding smoke are adsorbed. After the adsorption is completed, the solid particles will fall into the interior of the reaction liquid, thereby processing the solid particles. Finally, the processed gas is discharged through the spiral blades 5 inside the guide part 4.

[0038] Specifically, Figure 3 As shown, the spray assembly 3 includes a water inlet pipe 301, a delivery pump 302, a drain pipe 303 and a spray pipe 304. The water inlet pipe 301 is connected and arranged on the outer wall of the tower body 1. The delivery pump 302 is bolted to the outer wall of the tower body 1. The drain pipe 303 is fixedly connected to the output end of the delivery pump 302. The spray pipe 304 is arranged inside the tower body 1. One end of the water inlet pipe 301 is fixedly connected to the input end of the delivery pump 302, and one end of the drain pipe 303 is connected to one end of the spray pipe 304.

[0039] Specifically, Figure 3 As shown, a filter plate 10 is bolted on the inner wall of the tower body 1 to prevent solid particles from entering the interior of the delivery pump 302, and the filter plate 10 is made of stainless steel.

[0040] Specifically, Figure 3 As shown, a support plate 11 is bolted to the inner wall of the tower body 1 , and one end of the support plate 11 is welded to the bottom of the spray pipe 304 .

[0041] When the welding smoke passes through the first filter 203 and moves upward, the delivery pump 302 can be started. The delivery pump 302 draws the reaction liquid into the interior of the spray pipe 304 and then discharges it, so that the reaction liquid is fully in contact with the adsorbed welding smoke, thereby improving the cleanliness of the gas. At the same time, the reaction liquid discharged through the spray pipe 304 will also rinse the first filter 203, the second filter 204 and the third filter 205 to prevent the accumulation of solid particles and reduce the filtration efficiency of the first filter 203, the second filter 204 and the third filter 205. When the welding smoke contacts the reaction liquid, the welding smoke will carry moisture. When the welding smoke passes through the spiral blade 5, due to the action of centrifugal force, acceleration will be generated, so that the moisture in the welding smoke is thrown into the water collecting chamber 6, and then discharged into the interior of the tower body 1 again through the connecting groove 7.

[0042] By adopting the above technical solution, the problem that the existing cross-flow welding smoke adsorption purification tower introduces harmful gases into the interior of the tower body 1 through the air inlet pipe 202 when in use, and then adsorbs solid particles in the gas through the first activated carbon filter plate 10 is solved. In this way, the contact area between the harmful gases and the filter plate 10 is limited, and the filtering effect is low.

[0043] Working principle: When the present application is in use, the reaction liquid used in conjunction with the welding smoke is placed inside the tower body 1, and then the welding smoke is introduced into the interior of the tower body 1 through the air inlet pipe 202 and the air inlet slot 201. At this time, the first filter 203, the second filter 204 and the third filter 205 will all come into contact with the welding smoke, causing the welding smoke to perform cross-flow motion. Cross-flow motion refers to the movement of gas in different directions during the flow process, which is inconsistent with the movement direction of the surrounding medium, so as to increase the contact between the gas and the medium, thereby improving efficiency. At the same time, the reaction liquid will also come into contact with the welding smoke to process the harmful substances in the welding smoke. When the welding smoke comes into contact with the first filter 203, the second filter 204 and the third filter 205, the filtration efficiency of the welding smoke can be increased, so that the solid particles in the welding smoke are adsorbed. After the adsorption is completed, the solid particles will fall into the interior of the reaction liquid, thereby treating the solid The particles are processed. When the welding smoke passes through the first filter 203 and moves upward, the delivery pump 302 can be started. The delivery pump 302 draws the reaction liquid into the interior of the spray pipe 304 and then discharges it, so that the reaction liquid is fully in contact with the adsorbed welding smoke, thereby improving the cleanliness of the gas. At the same time, the reaction liquid discharged through the spray pipe 304 will also rinse the first filter 203, the second filter 204 and the third filter 205 to prevent the accumulation of solid particles and reduce the filtration efficiency of the first filter 203, the second filter 204 and the third filter 205. When the welding smoke contacts the reaction liquid, the welding smoke will carry moisture. When the welding smoke passes through the spiral blade 5, due to the action of centrifugal force, acceleration will be generated, so that the moisture in the welding smoke is thrown into the water collecting chamber 6, and then discharged into the interior of the tower body 1 again through the connecting groove 7, thereby completing the adsorption and purification of the welding smoke.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A cross-flow welding fume adsorption purification tower, comprising a tower body (1), characterized in that: A cross-flow adsorption mechanism (2) for processing welding fumes is arranged inside the tower body (1), and a spray assembly (3) for purifying welding fumes is arranged inside the tower body (1); The cross-flow adsorption mechanism (2) comprises an air inlet groove (201), an air inlet pipe (202), a first filter screen (203), a second filter screen (204) and a third filter screen (205); the air inlet groove (201) is opened on the outer wall of the tower body (1); the air inlet pipe (202) is arranged in communication with one end of the air inlet groove (201); the first filter screen (203) is bolted to the inner wall of the tower body (1); the second filter screen (204) is bonded to the bottom of the first filter screen (203); the third filter screen (205) is bonded between two adjacent second filter screens (204); the number of the first filter screens (203) is three and they are evenly distributed; the number of the second filter screens (204) is a plurality and they are evenly distributed.

2. The cross-flow welding fume adsorption purification tower according to claim 1 is characterized in that: The spray assembly (3) comprises a water inlet pipe (301), a delivery pump (302), a drain pipe (303) and a spray pipe (304); the water inlet pipe (301) is arranged on the outer wall of the tower body (1) in a communication manner; the delivery pump (302) is bolted to the outer wall of the tower body (1); the drain pipe (303) is fixedly connected to the output end of the delivery pump (302); the spray pipe (304) is arranged inside the tower body (1); one end of the water inlet pipe (301) is fixedly connected to the input end of the delivery pump (302); and one end of the drain pipe (303) is communicated with one end of the spray pipe (304).

3. The cross-flow welding fume adsorption purification tower according to claim 1 is characterized in that: A flow guide portion (4) is bolted to the top of the tower body (1), and spiral blades (5) for increasing the exhaust gas velocity are welded on the inner wall of the flow guide portion (4).

4. The cross-flow welding fume adsorption purification tower according to claim 3 is characterized in that: A water collecting chamber (6) is provided inside the flow guiding portion (4), and a connecting groove (7) is provided on the inner wall of the flow guiding portion (4), wherein the connecting groove (7) is connected to the inside of the water collecting chamber (6).

5. The cross-flow welding fume adsorption purification tower according to claim 4 is characterized in that: An isolation net (8) for isolating external debris is bolted to the top of the water collecting chamber (6), and the isolation net (8) is made of stainless steel.

6. The cross-flow welding fume adsorption purification tower according to claim 1 is characterized in that: A heating block (9) for heating the reaction liquid inside the tower body (1) is arranged on the inner bottom wall of the tower body (1).

7. The cross-flow welding fume adsorption purification tower according to claim 2 is characterized in that: A filter plate (10) is bolted onto the inner wall of the tower body (1) to prevent solid particles from entering the interior of the delivery pump (302); the filter plate (10) is made of stainless steel.

8. The cross-flow welding fume adsorption purification tower according to claim 2 is characterized in that: A support plate (11) is bolted to the inner wall of the tower body (1), and one end of the support plate (11) is welded to the bottom of the spray pipe (304).

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