CN211358311U

CN211358311U - Small tail gas absorption and deodorization device for sludge composting tail gas treatment

Info

Publication number: CN211358311U
Application number: CN201921475076.4U
Authority: CN
Inventors: 吴卿; 刘天赐; 肖京京; 付利娟; 彭森
Original assignee: Tianjin University
Current assignee: Tianjin University
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-08-28
Anticipated expiration: 2029-09-06

Abstract

The utility model belongs to the technical field of the tail gas treatment, a small-size tail gas absorption deodorizing device of sludge composting tail gas treatment is disclosed. This device includes adsorption tank, baffle, sponge layer, inlet, intake pipe, valve, liquid outlet, shell and support, is equipped with solution in the shell, and the baffle is located the inside upper portion of shell, and the adsorption tank is placed above the baffle, intake pipe and inlet are located upper portion in the shell, and are located between baffle and the solution liquid level, and intake pipe one end is passed the shell and is led to the solution bottom, and the other end stretches out the shell, and valve and liquid outlet are located the shell bottom, and the shell bottom is fixed on the support. The utility model discloses utilize the ammonia in the solution to dissolve the characteristic and got rid of the ammonia in the tail gas effectively to utilize ammonia and hydrogen sulfide's acid-base to reach the purpose of absorbing a small amount of hydrogen sulfide in the tail gas, the filler that sets up in the absorption tank is recycled and residual ammonia is absorbed, the effectual problem of solving exhaust emissions.

Description

Small tail gas absorption and deodorization device for sludge composting tail gas treatment

Technical Field

The utility model belongs to the technical field of the tail gas treatment, concretely relates to small-size tail gas absorption deodorizing device of sludge composting tail gas treatment.

Background

The sludge composting utilization technology is one of the important modes of sludge resource treatment, and is a process of continuously degrading organic matters under the action of microorganisms under certain conditions and producing a product suitable for land utilization. Sludge, conditioners (sawdust, straws, leaves, manure, garbage) and bulking agents (wood chips, straws, peanut shells, corncobs and the like) are usually piled and retted under certain conditions, and the biological process of converting biodegradable organic matters into stable humus under controlled conditions is promoted by utilizing the action of microorganisms. However, some adverse environmental effects are also produced during sludge composting. A large amount of organic substances are consumed by microorganism propagation and activity in the sludge composting process, a large amount of ammonia gas and a small amount of hydrogen sulfide gas are generated and discharged into the air to cause harm to the air, and therefore a tail gas treatment device is required to be used for carrying out tail gas treatment on the air. However, the conventional tail gas treatment devices on the market are all applied to large-scale sludge composting devices or other large-scale devices, the tail gas treatment capacity is large, the energy consumption is large, the cost is high, the efficiency of the tail gas treatment device cannot be fully exerted when the tail gas treatment device is applied to a device generating less tail gas, the resource waste is caused, and a new small tail gas treatment and deodorization device needs to be researched.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that gases such as ammonia hydrogen sulfide that produce among the sludge composting process discharge and cause pollution and stink in the air, provide a small-size absorption deodorizing device that tail gas was handled, adopt physical absorption and chemical complex's method to absorb the ammonia in the tail gas, when absorbing the ammonia, absorb the hydrogen sulfide gas that contains in the tail gas, tail gas purification.

In order to solve the above technical problem, the present invention provides a method for manufacturing a semiconductor device.

The utility model provides a small-size tail gas absorbs deodorizing device of sludge compost tail gas treatment, includes adsorption tank, baffle, sponge layer, inlet, intake pipe, valve, liquid outlet, shell and support, the solution is equipped with in the shell, the baffle is located the inside upper portion of shell, the adsorption tank is placed above the baffle, the sponge layer sets up between adsorption tank and shell, intake pipe and inlet set up in upper portion in the shell, and be located between baffle and the solution liquid level, intake pipe one end is passed the shell leads to the solution bottom, and the other end stretches out the shell, the liquid outlet sets up in the shell bottom, the liquid outlet bottom is provided with the valve, the shell bottom is fixed on the support.

The solution is filled in the shell, the tail gas contains a large amount of ammonia gas and a small amount of hydrogen sulfide gas, the solution is alkalescent after the ammonia gas is dissolved in the solution, and the hydrogen sulfide gas is acidic, so that more hydrogen sulfide is dissolved in the solution, and more ammonia gas and hydrogen sulfide gas are absorbed.

Furthermore, the inside of the absorption tank is provided with a filler for absorbing residual ammonia in the tail gas. And after the tail gas is dissolved by the solution in the shell, the tail gas enters the absorption tank through the partition plate, if the tail gas contains residual ammonia gas, the ammonia gas in the tail gas and the filler undergo a complex reaction to absorb the ammonia gas in the tail gas, and the tail gas is purified and discharged into the air.

Furthermore, the partition board is in a mesh shape, the inner diameter of the mesh is 2-5mm, and the distance from the top of the shell to the top of the shell is 35-55 cm.

Further, the absorption tank is placed on the partition plate, the bottom and the top of the absorption tank are 100-mesh screens, the diameter of the absorption tank is 14-19cm, and the height of the absorption tank is 10-30 cm.

Further, the thickness of the sponge layer is 1-2cm, and the height of the sponge layer is the same as that of the absorption tank.

Furthermore, the liquid inlet is positioned at a position 10-15cm below the partition plate and at a position 10-20cm above the liquid level of the solution, the liquid inlet is funnel-shaped, the solution is convenient to add, and a cover is arranged on the liquid inlet and used for sealing.

Furthermore, the liquid outlet is funnel-shaped, and the valve on the liquid outlet controls the solution to be discharged.

Furthermore, the shell is cylindrical, the inner diameter is 15-20cm, and the height is 80-110 cm.

Furthermore, the support is square, and a round hole is dug in the middle of the support and fixed together with the bottom of the shell for supporting the shell and preventing the shell from toppling over.

The utility model adopts the method of combining the solution and the filler to absorb the ammonia gas and the hydrogen sulfide gas in the tail gas. The ammonia is dissolved in the solution in a large amount, the solution is alkaline and can react with acidic substances after the ammonia is dissolved in the solution, and the hydrogen sulfide gas is acidic after the hydrogen sulfide gas is dissolved in the solution and reacts with the acidic substances to promote the hydrogen sulfide to be continuously dissolved in the solution. Part of ammonia gas which is not absorbed by the solution is absorbed by the filler to generate complex reaction when passing through the absorption tank, thereby purifying tail gas and having remarkable environmental and economic benefits. The environmental benefits include absorption of harmful components in the tail gas, no generation of malodour, and improved regional air quality. The economic benefits include simple structure, low cost, low investment, no power consumption, saved operating investment cost and easy management.

Drawings

FIG. 1 is a schematic structural view of a tail gas absorption and deodorization device of the present invention;

wherein, 1, an air inlet pipe; 2. a partition plate; 3. an absorption tank; 4. a sponge layer; 5. a liquid inlet; 6. a housing; 7. a solution; 8. a valve; 9. a liquid outlet, 10 and a support.

Detailed Description

For further understanding of the contents, features and effects of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings as follows:

as shown in fig. 1, the embodiment provides a small tail gas absorption and deodorization device for tail gas treatment, which mainly comprises an air inlet pipe 1, a partition plate 2, an absorption tank 3, a sponge layer 4, a liquid inlet 5, a shell 6, a solution 7, a valve 8, a liquid outlet 9 and a support 10, wherein the above components form the tail gas absorption and deodorization device.

The air inlet pipe 1 is arranged at the middle upper part of the shell 6 and is positioned between the partition plate 2 and the liquid level of the solution 7, one end of the air inlet pipe penetrates through the shell 6 to be communicated with the bottom of the solution 7, the other end of the air inlet pipe extends out of the shell 6 to be connected with a tail gas source, different inner diameters of the air inlet pipe are selected according to the tail gas amount and the size of the device, and DN15, DN20, DN25, DN32, DN40 and DN50 can be selected according to the.

The partition plate 2 is located at the upper part of the inside of the housing 6, 35-55cm from the top, on which the absorption tank 3 is placed, and the partition plate 2 carries the absorption tank 3 and separates it from the solution 7. The partition plate 2 is in a mesh shape, the inner diameter of the mesh is 2-5mm, and the partition plate 2 can bear the absorption tank 3 and allow tail gas to pass through and enter the absorption tank 3.

The bottom and the top of the absorption tank 3 are 100-mesh screens, so that the tail body can smoothly enter the absorption tank 3, the diameter of the absorption tank 3 is slightly smaller than the inner diameter of the shell 6 by 1-2cm, and the height is 10-30 cm. The filler arranged inside the absorption tank 3 can generate complex reaction with ammonia in the tail gas to absorb the ammonia in the tail gas, so that the purpose of purifying the tail gas is achieved. One layer of sponge layer 4 is clamped between the absorption tank 3 and the shell 6, the thickness of the sponge layer 4 is 1-2cm, the height of the sponge layer is equal to that of the absorption tank, and the sponge layer is filled between the shell 6 and the absorption tank 3 to prevent tail gas from flowing out through a gap between the shell 6 and the absorption tank 3 and not passing through the absorption tank 3, so that the substance in the tail gas is not completely absorbed.

The liquid inlet 5 is positioned at the middle upper part of the shell 6, is about 10-15cm below the partition board 2 and is about 10-20cm away from the liquid level of the solution 7. The outside of the liquid inlet 5 is funnel-shaped, so that the solution 7 is conveniently added, and the funnel outside the liquid inlet 5 is provided with a cover, so that the funnel can be folded when the solution 7 is not added, thereby avoiding the tail gas from escaping from the liquid inlet 5 and preventing external dust, impurities and the like from entering the device to pollute the solution 7. The tail gas contains a large amount of ammonia gas and a small amount of hydrogen sulfide gas, the ammonia gas is dissolved in the solution 7 to generate ammonia water and ammonium chloride, and the solution is alkalescent. And the hydrogen sulfide gas is acidic and reacts with ammonia water after being dissolved in the solution 7, so that more hydrogen sulfide is dissolved in the solution 7, and more ammonia gas and hydrogen sulfide gas are absorbed.

The shell 6 is an elongated cylinder with a diameter of 15-20cm and a height of 80-110 cm.

Liquid outlet 9 is located the shell 6 bottom, and liquid outlet 9 is hourglass hopper-shaped, is equipped with valve 8 on the liquid outlet 9, can manual control opening and shutting of valve, can be effectively with solution 7 whole discharge and do not remain.

Support 10 constitutes the base of shell 6, and shell 6 is whole to be long and thin form, emptys easily, and there are valve 8 and liquid outlet 9 shell 6 bottom, consequently need erect shell 6, and a support 10 is done as the base to the lower part, and support 10 is the square, digs a round hole in the middle of and is in the same place with shell 6 bottom welding, has improved the stability of device, also leaves certain space in liquid outlet 9 bottom, makes things convenient for the discharge of solution 7.

The utility model discloses a small-size tail gas absorption deodorizing device work process of compost tail gas treatment as follows:

the shell 6 is used as a device carrier, the support 10 plays a role of supporting the shell 6, one end of the air inlet pipe 1 penetrates through the shell 6 to reach the bottom of the solution 7, the other end of the air inlet pipe extends out of the shell 6, the absorption tank 3 is placed on the partition board 2, and the sponge layer 4 is positioned between the absorption tank 3 and the shell 6. The liquid inlet 5 is positioned at the middle upper part of the shell 6, and the solution 7 enters from the liquid inlet 5. The tail gas contains a large amount of ammonia gas and a small amount of hydrogen sulfide gas, after the tail gas enters the solution 7, the ammonia gas is dissolved in the solution 7 in a large amount to generate ammonia water and ammonium chloride, so that the solution is alkalescent, the hydrogen sulfide is acidic, the hydrogen sulfide is dissolved in the solution 7 and reacts with the ammonia water to consume the hydrogen sulfide and the ammonia gas dissolved in the water, and the dissolution of the ammonia gas and the hydrogen sulfide in the solution 7 is promoted. After the tail gas is dissolved by the solution 7, the tail gas enters the absorption tank 3 through the partition plate 2, the filler is filled in the absorption tank 3, if the tail gas contains residual ammonia gas, the ammonia gas in the tail gas and the filler are subjected to a complex reaction to absorb the ammonia gas in the tail gas, and the tail gas is purified and discharged into the air.

Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above embodiments, which are only illustrative and not restrictive, and those skilled in the art can make various changes without departing from the spirit and the scope of the present invention.

Claims

1. The utility model provides a small-size tail gas absorbs deodorizing device that sludge compost tail gas was handled, a serial communication port, the device includes adsorption tank, baffle, sponge layer, inlet, intake pipe, valve, liquid outlet, shell and support, the solution is equipped with in the shell, the baffle is located the inside upper portion of shell, the adsorption tank is placed above the baffle, the sponge layer sets up between adsorption tank and shell, intake pipe and inlet set up in upper portion in the shell, and be located between baffle and the solution liquid level, intake pipe one end is passed the shell leads to the solution bottom, and the other end stretches out the shell, the liquid outlet sets up in the shell bottom, the liquid outlet bottom is provided with the valve, the shell bottom is fixed on the support.

2. The small tail gas absorption and deodorization device for sludge composting tail gas treatment as claimed in claim 1, wherein the absorption tank is internally provided with a filler.

3. The small tail gas absorbing and deodorizing device for sludge composting tail gas treatment as claimed in claim 1, wherein the partition plate is mesh-shaped, and the inside diameter of the mesh is 2-5mm, which is 35-55cm from the top of the housing.

4. The small tail gas absorbing and deodorizing device for sludge composting tail gas treatment as claimed in claim 1, wherein the bottom and the top of the absorption tank are 100 mesh screens, the diameter is 14-19cm, and the height is 10-30 cm.

5. The small tail gas absorbing and deodorizing device for sludge composting tail gas treatment as claimed in claim 1, wherein the sponge layer is 1-2cm thick and the height is the same as that of the absorption tank.

6. The small tail gas absorption and deodorization device for sludge compost tail gas treatment as claimed in claim 1, wherein the liquid inlet is located 10-15cm below the partition plate, 10-20cm above the liquid level of the solution, the liquid inlet is funnel-shaped, the solution is conveniently added, and a cover is arranged on the liquid inlet for sealing.

7. The small tail gas absorbing and deodorizing device for sludge composting tail gas treatment as claimed in claim 1, wherein the liquid outlet is funnel-shaped, and the liquid outlet is controlled by a valve to discharge the solution.

8. The small tail gas absorption and deodorization device for sludge composting tail gas treatment as claimed in claim 1, wherein the housing is cylindrical, and has an inner diameter of 15-20cm and a height of 80-110 cm.

9. The small tail gas absorbing and deodorizing device for sludge composting tail gas treatment as claimed in claim 1, wherein the bracket is square, and a round hole is dug in the middle of the bracket and fixed with the bottom of the housing for supporting the housing.