Waste gas purifier

The multi-stage filtration system, including a first dust collection hopper, a second dust collection hopper, and an activated carbon filter plate, solves the problem of severe filter wear, achieving efficient purification of waste gas and long-term operation of the equipment.

CN223628269UActive Publication Date: 2025-12-05CHANGZHOU ZHONGLAN ENVIRONMENTAL ENG CO LTD
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Patent Information

Application Number
CN202423241106.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-05
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

The filters in existing exhaust gas purifiers are severely worn due to long-term collisions with particulate matter, requiring frequent replacement and resulting in frequent equipment maintenance.

Method used

It adopts a multi-stage filtration system, including a first dust collection hopper, a second dust collection hopper, an activated carbon filter plate, and multiple layers of filter screens. Through multi-stage filtration and adsorption separation, filter screen wear is reduced.

Benefits of technology

It achieves step-by-step separation and filtration of particulate matter, reduces the wear frequency of filter screens, and improves the service life and processing efficiency of the equipment.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model belongs to the technical field of waste gas treatment, and particularly relates to a waste gas purifier which comprises a base, a purification tank is fixedly mounted at the top of the base, a gas inlet pipe communicated with the purification tank is arranged on the outer side of the purification tank, a first gas conveying pipe is further fixedly mounted in the purification tank, and a second gas conveying pipe is arranged at the end, away from the gas inlet pipe, of the first gas conveying pipe. A third gas conveying pipe is fixedly installed between the first gas conveying pipe and the second gas conveying pipe, a first dust collecting hopper is fixedly installed at the end, away from the third gas conveying pipe, of the second gas conveying pipe, and one end of the second gas conveying pipe extends into the first dust collecting hopper. According to the waste gas purifying machine, part of particles in waste gas conveyed in the second gas conveying pipe are deposited through the hopper-shaped first dust collecting hopper, and heavy particles contained in the waste gas entering the third gas conveying pipe are deposited at the bottom of the third gas conveying pipe, so that preliminary separation of the particles is achieved, and the abrasion frequency of a filter screen is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field especially relates to a waste gas purification machine. BACKGROUND

[0002] The present waste gas purification machine (or called waste gas treatment equipment, waste gas treatment system) refers to the equipment used to handle and purify the harmful gas generated in the industrial production process. These gases may contain volatile organic compounds, sulfur oxides, nitrogen oxides, particulate matter and other pollutants. In the factory production, more dust and particulate matter will be generated in the waste gas floating in the air.

[0003] The existing waste gas treatment method is mostly through the filter screen arranged in the purification tank with the air inlet pipe. In the actual operation, the following problems exist:

[0004] By sending the waste gas into the air inlet pipe of the purification tank, the impurities in the waste gas are filtered by the filter screen when the waste gas passes through the purification tank, thereby filtering out the particulate matter in the waste gas. However, when the filter screen is directly impacted by more particulate matter for a long time, the filter screen is easily abraded intensively, and needs to be frequently replaced. CONTENT OF THE UTILITY MODEL

[0005] In order to overcome the defects of the prior art pointed out above, the present inventors have made in-depth research, and after paying a lot of creative labor, the utility model is completed.

[0006] Specifically, the technical problem to be solved by the utility model is to provide a waste gas purification machine to solve the technical problem that the impurities in the current waste gas are filtered by the filter screen, thereby filtering out the particulate matter in the waste gas. However, when the filter screen is directly impacted by more particulate matter for a long time, the filter screen is easily abraded intensively, and needs to be frequently replaced.

[0007] To solve the above technical problems, the utility model provides the following technical scheme:

[0008] A waste gas purification machine, comprising a base, a purification tank is fixedly installed on the top of the base, an air inlet pipe in communication with the purification tank is arranged on the outer side of the purification tank, a first gas conveying pipe is also fixedly installed in the purification tank, the first gas conveying pipe extends to the outside of the purification tank, and one end of the first gas conveying pipe in communication with the air inlet pipe; a second gas conveying pipe is arranged at the end of the first gas conveying pipe away from the air inlet pipe.

[0009] A third gas conveying pipe vertically distributed with the first gas conveying pipe is fixedly installed between the first gas conveying pipe and the second gas conveying pipe, the first gas conveying pipe is in communication with the second gas conveying pipe through the third gas conveying pipe, and a first dust collecting hopper is fixedly installed at the end of the second gas conveying pipe away from the third gas conveying pipe, and the end of the second gas conveying pipe extends into the first dust collecting hopper.

[0010] As an improved technical scheme, the flange top cover is fixedly installed at one end of the purification tank away from the base, the second dust collecting hopper is fixedly installed in the flange top cover, the second dust collecting hopper is located above the air inlet pipe, and one end of the third air conveying pipe extends into the second dust collecting hopper.

[0011] As an improved technical scheme, the first electromagnetic valve is arranged at one end of the first air conveying pipe close to the air inlet pipe, the second electromagnetic valve is arranged at one end of the third air conveying pipe close to the second dust collecting hopper, and the first electromagnetic valve is located between the air inlet pipe and the second air conveying pipe.

[0012] As an improved technical scheme, the air pump is fixedly installed at the bottom of the purification tank, the air pump and the purification tank are connected through the air pipe, the air pipe is connected to the purification tank, and one end of the air pipe away from the air pump extends into the third air conveying pipe.

[0013] As an improved technical scheme, the adsorption cavity is arranged in the purification tank, the activated carbon filter plate is fixedly installed in the adsorption cavity, one end of the third air conveying pipe extending through the activated carbon filter plate extends out of the purification tank, the exhaust pipe is arranged below the activated carbon filter plate, and one end of the exhaust pipe extending into the purification tank is located in the adsorption cavity.

[0014] As an improved technical scheme, the first air chamber is arranged in the purification tank, the second air chamber is arranged below the first air chamber, the adsorption cavity is connected to the first air chamber through the second air chamber, and the first air chamber is located below the second dust collecting hopper.

[0015] As an improved technical scheme, the first filter screen and the second filter screen with gradually decreasing hole diameters are arranged above the activated carbon filter plate, and the first filter screen and the second filter screen are fixedly installed in the first air chamber and the second air chamber through the third air conveying pipe.

[0016] After the above technical scheme is adopted, the beneficial effects of the present application are as follows:

[0017] 1. The first dust collecting hopper is used to deposit part of particles in the waste gas conveyed by the second air conveying pipe, and the third air conveying pipe is used to deposit the heavy particles in the waste gas into the bottom of the third air conveying pipe, so that the preliminary separation of the particles is realized, and the frequency of filter screen abrasion is reduced.

[0018] 2. The waste gas in the first air chamber is filtered by the first filter screen and the second filter screen when passing through the second air chamber, so that the particles and impurities of different sizes in the waste gas can be captured at different positions, and the step-by-step filtration is realized.

[0019] 3. The utility model discloses, through the activated carbon filter board in the activated carbon particle adsorption peculiar smell and further separate the fine particle in waste gas, finally through the exhaust pipe and export the purified waste gas from the adsorption cavity, thereby guarantee the waste gas treatment effect. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be to the embodiment description needed to use the drawing briefly introduce, obviously, the following description in the drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings. Wherein:

[0021] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model waste gas purification machine.

[0022] Fig. 2 It is the sectional structure schematic diagram of the utility model waste gas purification machine.

[0023] Fig. 3 It is the first gas pipe and third gas pipe cooperation installation structure schematic diagram of the utility model waste gas purification machine.

[0024] Fig. 4 It is the adsorption cavity sectional structure schematic diagram of the utility model waste gas purification machine.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 1, base, 2, purification tank, 3, inlet pipe, 4, first gas pipe, 5, second gas pipe, 6, third gas pipe, 7, first dust hopper, 8, flange top cover, 9, second dust hopper, 10, first solenoid valve, 11, second solenoid valve, 12, air pump, 13, air pipe, 14, adsorption cavity, 15, activated carbon filter board, 16, exhaust pipe, 17, first gas chamber, 18, second gas chamber, 19, first filter screen, 20, second filter screen. DETAILED DESCRIPTION

[0027] The technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings in the utility model embodiment, obviously, the described embodiment only is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skilled person in the art without making the creative labor belong to the range of protection of the utility model.

[0028] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0029] Meanwhile, "and / or" or "and / or" appearing in the full text means that it includes three schemes, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B scheme.

[0030] In addition, in the present application, the description such as "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the present application.

[0031] As Figs. 1 to 4 As shown in the drawings, the embodiment provides a waste gas purification machine, the waste gas purification machine includes a base 1, the top of the base 1 is fixedly installed with a purification tank 2, the outer side of the purification tank 2 is provided with an air inlet pipe 3 in communication with the purification tank 2, and the first air pipe 4 is also fixedly installed in the purification tank 2, the first air pipe 4 extends to the end of the purification tank 2 and is communicated with the air inlet pipe 3, the end of the first air pipe 4 away from the air inlet pipe 3 is provided with the second air pipe 5, the first air pipe 4 and the second air pipe 5 are fixedly installed with the third air pipe 6 distributed vertically with the first air pipe 4, and the first air pipe 4 is communicated with the second air pipe 5 through the third air pipe 6, the end of the second air pipe 5 away from the third air pipe 6 is fixedly installed with the first dust hopper 7, and the end of the second air pipe 5 extends into the first dust hopper 7, the base 1 can provide support for the purification tank 2, and the purification tank 2 is a closed tank body structure, the air inlet pipe 3 can pass the external waste into the purification tank 2, the waste gas conveyed in the first air pipe 4 can be shunted through the third air pipe 6 and then sent into the second air pipe 5, and the waste gas sent into the second air pipe 5 can be deposited in the first dust hopper 7 through the first dust hopper 7 to realize the preliminary separation of particulate matter.

[0032] The flange top cover 8 is fixedly installed in the purification tank 2 away from the base 1, the second dust collecting hopper 9 is fixedly installed in the flange top cover 8, the second dust collecting hopper 9 is located above the air inlet pipe 3, one end of the third gas conveying pipe 6 extends into the second dust collecting hopper 9, the flange top cover 8 can be taken off from the purification tank 2 through the flange to clean the impurities filtered in the inside, the heavier particulate matters contained in the waste gas in the third gas conveying pipe 6 will deposit at the bottom of the third gas conveying pipe 6, and the lighter particulate matters will float up to the second dust collecting hopper 9, so that the secondary separation of the particulate matters in the waste gas is realized.

[0033] The first electromagnetic valve 10 is arranged at one end of the first gas conveying pipe 4 close to the air inlet pipe 3, the second electromagnetic valve 11 is arranged at one end of the third gas conveying pipe 6 close to the second dust collecting hopper 9, the first electromagnetic valve 10 is located between the air inlet pipe 3 and the second gas conveying pipe 5, the first electromagnetic valve 10 can control the on-off of the air inlet pipe 3 to the first gas conveying pipe 4, the second electromagnetic valve 11 can control the on-off of the third gas conveying pipe 6 to the second dust collecting hopper 9, and when the first electromagnetic valve 10 is opened, the second electromagnetic valve 11 is in the closed state, so that the flow direction of the waste gas in the control device is controlled.

[0034] The air pump 12 is fixedly installed at the bottom of the purification tank 2, the air pump 12 and the purification tank 2 are provided with the air pipe 13, the air pump 12 is connected with the inside of the purification tank 2 through the air pipe 13, one end of the air pipe 13 away from the air pump 12 extends into the third gas conveying pipe 6, and the air pump 12 can convey the gas to the third gas conveying pipe 6 through the air pipe 13, so that the waste gas in the third gas conveying pipe 6 can flow upward and be discharged from the second dust collecting hopper 9.

[0035] The adsorption cavity 14 is arranged in the purification tank 2, the activated carbon filter plate 15 is fixedly installed in the adsorption cavity 14, one end of the third gas conveying pipe 6 extending through the activated carbon filter plate 15 extends to the outside of the purification tank 2, the exhaust pipe 16 is arranged below the activated carbon filter plate 15, one end of the exhaust pipe 16 extending into the purification tank 2 is located in the adsorption cavity 14, the waste gas in the adsorption cavity 14 can be adsorbed by the activated carbon particles in the activated carbon filter plate 15 to remove odor and further separate the fine particles, and the exhaust pipe 16 can discharge the treated waste gas in the adsorption cavity 14 from the purification tank 2.

[0036] The first air chamber 17 is further arranged in the purification tank 2, the second air chamber 18 is arranged below the first air chamber 17, the adsorption cavity 14 is connected with the first air chamber 17 through the second air chamber 18, the first air chamber 17 is located below the second dust collecting hopper 9, the waste gas in the second dust collecting hopper 9 enters the first air chamber 17, and the flow direction of the gas in the first air chamber 17 is always from the first air chamber 17 to the adsorption cavity 14.

[0037] The first filter screen 19 and the second filter screen 20 are arranged above the activated carbon filter plate 15 in sequence from large to small, and the first filter screen 19 and the second filter screen 20 are fixedly installed in the first gas chamber 17 and the second gas chamber 18 through the third gas pipe 6, and the treated waste gas in the third gas pipe 6 is filtered through the first filter screen 19 and the second filter screen 20 when passing through the first gas chamber 17 and the second gas chamber 18.

[0038] In use, the waste gas is introduced into the purification tank 2 through the air inlet pipe 3, and after the waste gas enters the first gas pipe 4 connected with the air inlet pipe 3, the waste gas is branched through the third gas pipe 6, part of the waste gas enters the first dust collecting hopper 7 through the second gas pipe 5 connected with the third gas pipe 6, and the particles in the waste gas transported through the second gas pipe 5 are deposited through the first dust collecting hopper 7, so as to realize the preliminary separation of the particles, the heavier particles contained in the waste gas in the third gas pipe 6 are deposited at the bottom of the third gas pipe 6, and the lighter particles float up to the second dust collecting hopper 9, so as to realize the secondary separation of the particles in the waste gas, and when the waste gas is transported to the air inlet pipe 3, the first electromagnetic valve 10 is opened and the second electromagnetic valve 11 is closed, and after the waste gas is transported, the first electromagnetic valve 10 is closed and the second electromagnetic valve 11 is opened, and the clean gas is transported to the third gas pipe 6 through the air pipe 13 connected with the air pump 12, so that the waste gas in the third gas pipe 6 can flow upwards and be discharged from the second dust collecting hopper 9, and after the waste gas in the third gas pipe 6 passes through the second dust collecting hopper 9, the waste gas enters the first gas chamber 17, and the waste gas in the first gas chamber 17 is filtered through the first filter screen 19 and the second filter screen 20 when passing through the second gas chamber 18, so that the particles and impurities of different sizes in the waste gas can be captured at different positions, so as to realize step-by-step filtration, and when the waste gas reaches the adsorption cavity 14, the odor is adsorbed by the activated carbon particles in the activated carbon filter plate 15 and the fine particles in the waste gas are further separated, and finally the purified waste gas is discharged from the adsorption cavity 14 to the outside through the air outlet pipe 16, so as to ensure the waste gas treatment effect.

[0039] It should be understood that the use of these embodiments is only for the purpose of illustrating the present application and is not intended to limit the protection scope of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or variations to the present application, and all these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. An exhaust gas purification machine comprising a base (1), characterized in that: The top of the base (1) is fixedly provided with a purification tank (2), the outer side of the purification tank (2) is provided with an air inlet pipe (3) communicated with the purification tank (2), and the purification tank (2) is further fixedly provided with a first air conveying pipe (4), one end of the first air conveying pipe (4) extending out of the purification tank (2) is communicated with the air inlet pipe (3), and the other end of the first air conveying pipe (4) is provided with a second air conveying pipe (5). The first air conveying pipe (4) and the second air conveying pipe (5) are fixedly provided with a third air conveying pipe (6) vertically distributed with the first air conveying pipe (4), the first air conveying pipe (4) is communicated with the second air conveying pipe (5) through the third air conveying pipe (6), and one end of the second air conveying pipe (5) away from the third air conveying pipe (6) is fixedly provided with a first dust collecting hopper (7), and one end of the second air conveying pipe (5) extends into the first dust collecting hopper (7).

2. The exhaust gas purification device according to claim 1, characterized by: One end of the purification tank (2) away from the base (1) is provided with a flange top cover (8), the flange top cover (8) is fixedly provided with a second dust collecting hopper (9), the second dust collecting hopper (9) is located above the air inlet pipe (3), and one end of the third air conveying pipe (6) extends into the second dust collecting hopper (9).

3. The exhaust gas purification device according to claim 2, characterized by: One end of the first air conveying pipe (4) close to the air inlet pipe (3) is provided with a first electromagnetic valve (10), one end of the third air conveying pipe (6) close to the second dust collecting hopper (9) is provided with a second electromagnetic valve (11), and the first electromagnetic valve (10) is located between the air inlet pipe (3) and the second air conveying pipe (5).

4. The exhaust gas purification device according to claim 1, characterized by: The bottom of the purification tank (2) is fixedly provided with an air pump (12), an air pipe (13) is arranged between the air pump (12) and the purification tank (2), the air pump (12) is communicated with the purification tank (2) through the air pipe (13), and one end of the air pipe (13) away from the air pump (12) extends into the third air conveying pipe (6).

5. The exhaust gas purification device according to claim 4, characterized by: The purification tank (2) is provided with an adsorption cavity (14), the adsorption cavity (14) is fixedly provided with an activated carbon filter plate (15), one end of the third air conveying pipe (6) penetrating through the activated carbon filter plate (15) extends out of the purification tank (2), and the activated carbon filter plate (15) is provided with an air exhaust pipe (16) below, and one end of the air exhaust pipe (16) extending into the purification tank (2) is located in the adsorption cavity (14).

6. The exhaust gas purification device according to claim 5, characterized by: The purification tank (2) is further provided with a first air chamber (17), the first air chamber (17) is provided with a second air chamber (18) below, the adsorption cavity (14) is communicated with the first air chamber (17) through the second air chamber (18), and the first air chamber (17) is located below the second dust collecting hopper (9).

7. The exhaust gas purification device according to claim 6, characterized in that: The activated carbon filter plate (15) is provided with a first filter screen (19) and a second filter screen (20) with gradually decreasing hole diameters above, respectively, and the first filter screen (19) and the second filter screen (20) are fixedly installed in the first air chamber (17) and the second air chamber (18) through the third air conveying pipe (6), respectively.