WO2022033134A1

WO2022033134A1 - Waste gas recovery and purification apparatus

Info

Publication number: WO2022033134A1
Application number: PCT/CN2021/097970
Authority: WO
Inventors: 沈中增; 余莉萍; 吴峰; 唐田田; 李玲玲
Original assignee: 苏州敬天爱人环境科技有限公司
Priority date: 2020-08-13
Filing date: 2021-06-02
Publication date: 2022-02-17
Also published as: CN213132511U; DE202021103277U1

Abstract

A waste gas recovery and purification apparatus, comprising a blower (1), a box body (2), and a purification chamber (3), an air intake pipe (4) being connected to one end of the blower (1), and the other end being connected to a side wall of the box body (2), a filter screen (14) being disposed in an up-down sliding manner on the side next to the blower (1) inside the box body (2), a first sealing cap (15) corresponding to the filter screen (14) being disposed above the box body (2), a plurality of activated carbon layers (5) being disposed in sequence in the box body (2) on the side of the filter screen (14) furthest from the blower (1), a second sealing cap (16) being correspondingly disposed above the activated carbon layers (5), an impurity outlet (19) being disposed on the front side of the box body (2), a connecting pipeline (6) being disposed on the side wall of the box body (2) furthest from the blower (1), a filler layer (7) being fixedly disposed on the inner wall of the purification chamber (3) above the connecting pipeline (6), and the top of the purification chamber (3) being provided with a water intake pipe (8) entering deeply inside the purification chamber (3).

Description

A waste gas recovery and purification device

technical field

The utility model relates to the technical field of waste gas treatment equipment, in particular to a waste gas recovery and purification device.

Background technique

Industrial waste gas refers to the general term for various pollutant-containing gases discharged into the air produced during the fuel combustion and production process in the factory area. When entering the human body through the respiratory tract through different channels, some will cause direct harm, and some will have a cumulative effect, which will seriously endanger human health.

At present, petroleum and chemical engineering, storage facilities for real products, printing and other industries related to petroleum and chemical industry will generate a large amount of waste gas. Therefore, recycling and purifying waste gas is a way to solve the source of pollution. Existing waste gas treatment equipment usually discharges the waste gas into the atmosphere only after preliminary filtration, and the filtering effect is poor.

Utility model content

The technical problem to be solved by the present invention is to solve the above problems, and to provide a waste gas recovery and purification device that can be easily replaced by a filter device and can perform multi-layer filtering.

In order to solve the above technical problems, the technical solution provided by the present utility model is: a waste gas recovery and purification device, including a blower, a box and a purification bin, one end of the blower is connected with an air intake pipe, and the other end is connected with the side wall of the box. A filter screen is slid up and down on the side of the box body close to the blower, the top of the box body is provided with a through hole matching the filter screen, and a sealing cover is arranged above the through hole one. A plurality of activated carbon layers are sequentially arranged in the box on the side of the filter screen away from the blower, the top of the box is provided with a second through hole matched with the activated carbon layer, and a sealing cover is arranged above the second through hole. Second, the structure of the second through hole is the same as that of the first through hole. The front side of the box is provided with a miscellaneous outlet, and the miscellaneous outlet is located on the front wall of the box on the side of the filter screen close to the blower. The side wall of the box away from the blower is provided with a connecting pipe, and the connecting pipe is connected to the bottom of one side of the purification bin, the inner wall of the purification bin above the connecting pipe is fixed with a packing layer, and the purification bin is The top is provided with a water inlet pipe that penetrates into the interior of the purification chamber. The end of the water inlet pipe located in the body is provided with a sprinkler head, and the side of the purification chamber away from the connecting pipe is respectively provided with a drainage pipe and an air outlet pipe. The drain pipe is located at the lower end of the purification bin, and the air outlet pipe is located on the side wall of the purification bin above the packing layer.

Compared with the prior art, the advantages of the utility model compared with the prior art are: the novel waste gas recovery and purification device is used to filter impurities in the waste gas, activated carbon adsorption and water neutralization in three stages, and the purification effect is better. The top of the body is provided with a sealing cover 1 and a sealing cover 2 that can be sealed, so that the filter screen and the activated carbon layer inside the box can be replaced, avoiding the blockage of the filter screen and the inactivation of the activated carbon, and increasing the recovery and purification efficiency of exhaust gas.

As an improvement, the first through hole is cross-shaped, the first sealing cover includes a flat plate and a sealing block matched with the first through hole, the flat plate is strip-shaped, the sealing block is located under the flat plate and the flat plate The horizontal width of the sealing block is larger than the horizontal width of the sealing block, so that the sealing cover is closely attached to the box body, and the sealing effect is good.

As an improvement, the activated carbon layer is rectangular, the inner hole of the activated carbon layer is hexagonal, and the activated carbon layer is in contact with the exhaust gas in many ways, and the purification effect is better.

As an improvement, the connecting pipes, the water inlet pipes, the drainage pipes and the air outlet pipes are all provided with regulating valves, which can control the opening and closing of the pipes.

As an improvement, the number of the packing layers is three and all of them are filled with plastic Raschig rings, which can better contact the exhaust gas, delay the speed of the exhaust gas and fully neutralize the water.

As an improvement, an observation window is provided on the front side of the purification bin, the observation window is provided with a warning line equal to the lower end of the connecting pipe, and a water level height line is marked below the warning line on the observation window for observation. The water level in the purification bin needs to be drained when the water level reaches the warning line.

Description of drawings

FIG. 1 is a schematic structural diagram of a waste gas recovery and purification device of the present invention.

Fig. 2 is a structural diagram of the upper wall 1-1 of the box body of a waste gas recovery and purification device of the present invention.

As shown in the picture: 1. Blower, 2. Box, 3. Purification chamber, 4. Intake pipe, 5. Activated carbon layer, 6. Connecting pipe, 7. Packing layer, 8. Water inlet pipe, 9. Sprinkler head, 10 , drain pipe, 11, air outlet pipe, 12, observation window, 13, warning line, 14, filter screen, 15,

sealing cover

1, 16,

sealing cover

2, 17, flat plate, 18, sealing block, 19, miscellaneous outlet , 20, regulating valve, 21, through hole one, 22, through hole two.

detailed description

The present utility model will be further described in detail below in conjunction with the accompanying drawings.

With reference to Figure 1, a waste gas recovery and purification device includes a blower 1, a box body 2 and a purification bin 3. One end of the blower 1 is connected with an air intake pipe 4, and the other end is connected with the side wall of the box body 2. The said A filter screen 14 is slid up and down on the side of the box body 2 close to the blower 1. The top of the box body 2 is provided with a through hole 21 which is matched with the filter screen 14. Sealing cover 1 15, a plurality of activated carbon layers 5 are sequentially arranged in the box body 2 on the side of the filter screen 14 away from the blower 1, the activated carbon layer 5 is rectangular, and the inner hole of the activated carbon layer 5 is hexagonal , the adsorption effect is better, the top of the box body 2 is provided with a second through hole 22 that cooperates with the activated carbon layer 5, the second through hole 22 is equipped with a sealing cover 2 16, and the second through hole 22 is matched with the second through hole 22. The structure of the through hole one 21 is the same, the through hole one 21 is cross-shaped, the sealing cover one 15 includes a flat plate 17 and a sealing block 18 matched with the through hole one 21, and the flat plate 17 is strip-shaped , the sealing block 18 is located below the flat plate 17 and the horizontal width of the flat plate 17 is greater than the horizontal width of the sealing block 18. The sealing cover 2 16 has the same structure as the sealing cover 1 15. The sealing cover 2 The area of 16 is larger than that of sealing cover 1 15, the front side of the box body 2 is provided with a miscellaneous outlet 19, and the miscellaneous outlet 19 is located on the front wall of the box body 2 on the side of the filter screen 14 close to the blower 1, so The side wall of the box body 2 away from the blower 1 is provided with a connecting pipe 6 , and the connecting pipe 6 is connected to the lower side of the purification bin 3 .

The inner wall of the purification chamber 3 above the connecting pipe 6 is fixedly provided with a packing layer 7, the number of the packing layers 7 is three, and the packing layers 7 are filled with plastic Raschig rings, which can delay the speed of the exhaust gas, The exhaust gas and water are fully neutralized. The top of the purification chamber 3 is provided with a water inlet pipe 8 that penetrates into the interior of the purification chamber 3. The water inlet pipe 8 is located in the body and has a sprinkler head 9 at one end. 3. A drain pipe 10 and an air outlet pipe 11 are respectively provided on the side away from the connecting pipe 6, the drain pipe 10 is located at the lower end of the purification chamber 3, and the air outlet pipe 11 is located at the side wall of the purification chamber 3 above the packing layer 7, so the The front side of the purification bin 3 is provided with an observation window 12, the observation window 12 is provided with a warning line 13 that is equal to the lower end of the connecting pipe 6, and the water level height line is marked below the warning line 13 on the observation window 12, The inside of the purification chamber 3 can be observed from the outside.

The connecting pipe 6, the water inlet pipe 8, the drain pipe 10, and the air outlet pipe 11 are all provided with a regulating valve 20, which is convenient for manual control.

When the utility model is specifically implemented, it is used for the recovery and purification of waste gas. The blower 1 located on one side of the device is started, and the waste gas is transported into the box body 2. The waste gas is first filtered by the filter screen 14, and the larger impurities in the waste gas fall off. Enter into the bottom of the box 2, when the accumulation reaches a certain amount, open the impurity outlet 19 to discharge impurities, the exhaust gas after preliminary filtering continues to be filtered by the multi-layer activated carbon layer 5, and open the regulating valve 20 on the connecting pipe 6, so that the exhaust gas is discharged from the tank. The connecting pipe 6 is transported into the purification chamber 3, the regulating valve 20 of the water inlet pipe 8 above the purification chamber 3 is opened, the water inlet pipe 8 goes deep into the purification chamber 3, and clear water is sprayed through the sprinkler head 9, the contact area between the water and the waste gas is larger, and the waste gas It moves from bottom to top in the purification chamber 3, and is hindered by the multi-layer packing layer 7 in the purification chamber 3 to fully contact and neutralize the water to complete the purification of the exhaust gas, and the purified exhaust gas is discharged from the air outlet pipe 11.

If the filter screen 14 is blocked or the activated carbon layer 5 is ineffective during use, the sealing cover 1 15 and the sealing cover 2 16 above the box body 2 can be opened for replacement. The sealing block 18 of the sealing cover 1 It just covers the through hole 1 21 on the top of the box body 2, and plays a sealing role. The design of the cross-shaped sealing port makes the sealing cover 1 15 and the box body 2 more firm.

The front side of the purification bin 3 is provided with an observation window 12, and the observation window 12 is provided with a water level height line and a warning line 13, so that workers can clearly see the water level in the purification bin 3, by controlling the regulating valve 20 on the drain pipe 10. The switch to discharge water, so that the water level in the purification chamber 3 is always kept below the warning line 13.

The present invention and the embodiments thereof have been described above, and the description is not restrictive, and what is shown in the accompanying drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. All in all, if those of ordinary skill in the art are inspired by it, without departing from the purpose of the present invention, and without creatively designing structural modes and embodiments similar to the technical scheme, all should belong to the protection of the present invention. Scope.

Claims

An exhaust gas recovery and purification device, comprising a blower (1), a box body (2) and a purification bin (3), characterized in that: one end of the blower (1) is connected with an air intake pipe (4), and the other end is connected to the box The side walls of the body (2) are connected together, a filter screen (14) is slid up and down on the side of the box body (2) close to the blower (1), and a filter screen (14) is arranged on the top of the box body (2). (14) Matching through hole 1 (21), a sealing cover 1 (15) is fitted above the through hole 1 (21), and the filter screen (14) is away from the side box of the blower (1). (2) A plurality of activated carbon layers (5) are arranged in sequence, the top of the box body (2) is provided with two through holes (22) matched with the activated carbon layer (5), and the second through holes (22) A second sealing cover (16) is fitted on the upper part. The second through hole (22) has the same structure as the first through hole (21). The front side of the box body (2) is provided with a miscellaneous outlet (19). The miscellaneous outlet (19) is located on the front wall of the box body (2) on the side of the filter screen (14) close to the blower (1), and the box body (2) is arranged away from the side wall of the blower (1). There is a connecting pipe (6), the connecting pipe (6) is connected with the bottom of one side of the purification chamber (3), and the inner wall of the purification chamber (3) above the connecting pipe (6) is fixedly provided with a packing layer (7). ), the top of the purification chamber (3) is provided with a water inlet pipe (8) that penetrates into the interior of the purification chamber (3), and one end of the water inlet pipe (8) located in the body is provided with a sprinkler head (9), so A drain pipe (10) and an air outlet pipe (11) are respectively provided on the side of the purification chamber (3) away from the connecting pipe (6), and the drainage pipe (10) is located at the lower end of the purification chamber (3). The air outlet pipe (11) is located on the side wall of the purification chamber (3) above the packing layer (7).
The exhaust gas recovery and purification device according to claim 1, wherein the first through hole (21) is cross-shaped, and the first sealing cover (15) comprises a flat plate (17) and a through hole (21) The matching sealing block (18), the flat plate (17) is strip-shaped, the sealing block (18) is located under the flat plate (17) and the horizontal width of the flat plate (17) is larger than that of the sealing block (18) Width in the horizontal direction.
The waste gas recovery and purification device according to claim 1, characterized in that: the activated carbon layer (5) is rectangular, and the inner hole of the activated carbon layer (5) is hexagonal.
A waste gas recovery and purification device according to claim 1, characterized in that: the connecting pipe (6), the water inlet pipe (8), the drain pipe (10) and the gas outlet pipe (11) are all provided with regulating valves (20).
A waste gas recovery and purification device according to claim 1, characterized in that: the number of the packing layers (7) is three and all of them are filled with plastic Raschig rings.
An exhaust gas recovery and purification device according to claim 1, characterized in that: an observation window (12) is provided on the front side of the purification chamber (3), and a connecting pipe is provided on the observation window (12). (6) A warning line (13) with a flat lower end, and a water level height line is marked below the upper warning line (13) of the observation window (12).