Waste gas treatment and purification device for coal chemical industry

Abstract

The utility model discloses a waste gas treatment purification device for coal chemical industry, which comprises an acid liquor purification seat and an alkali liquor purification seat, the acid liquor purification seat is communicated with the alkali liquor purification seat through a gas guide pipe, and the inner side of the acid liquor purification seat and the inner side of the alkali liquor purification seat are respectively provided with a gas distribution seat. A gas inlet pipe is fixedly connected to the input end of the top side of the gas distribution seat on the inner side of the acid liquid purification seat, and the gas distribution seat is a hollow frame seat; according to the waste gas treatment and purification device for the coal chemical industry, through the arrangement of an acid liquid purification seat and an alkali liquid purification seat, waste gas can be sequentially conveyed into gas distribution seats on the inner sides of the acid liquid purification seat and the alkali liquid purification seat through a gas inlet pipe, the contact area of the waste gas and acid and alkali liquid can be guaranteed through cooperation of a top plate and a gas distribution pipe, and the purification and adsorption effect is guaranteed; meanwhile, due to the arrangement of the two activated carbon adsorption net groups, liquid molecules in gas in contact with acid and alkali liquid can be absorbed, the purification effect is ensured, and the problem that an existing device is difficult to continuously perform acid and alkali liquid purification treatment on waste gas is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment in coal chemical industry, in particular to a waste gas treatment and purification device in coal chemical industry. Background Art

[0002] Coal chemical industry refers to the process of using coal as raw material and converting it into gas, liquid and solid fuels and chemicals through chemical processing. It mainly includes coal gasification, liquefaction, dry distillation, tar processing and calcium carbide acetylene chemical industry. The coal chemical processing process will produce a large amount of high-temperature waste gas, which also contains a large amount of dust and toxic gases. Direct discharge is easy to cause environmental pollution, and it is necessary to use waste gas treatment equipment in coal chemical production.

[0003] After searching, the application with patent application number CN202223348080.9 discloses a waste gas treatment device in coal chemical production, including a treatment frame, the side wall of the treatment frame is fixedly connected with an air inlet pipe, the inner wall of the treatment frame is fixedly connected with a first filter screen, and a spray device is arranged inside the treatment frame, and the spray device corresponds to the first filter screen. The utility model relates to the field of waste gas treatment technology; the above application document filters and sprays the waste gas by setting various components, but there are harmful gases in the coal chemical waste gas, and it is necessary to purify the harmful gases in the waste gas by adsorption through acid and alkali liquid and activated carbon adsorption plate, but the general way of conveying waste gas is direct contact, and the limited contact area may affect the purification effect. At the same time, the existing ones are all segmented purification, and the same batch of waste gas cannot be purified continuously because it will cause the liquid molecules attached therein to contact and react with each other.

[0004] Therefore, we proposed a waste gas treatment and purification device for coal chemical industry. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a waste gas treatment and purification device for coal chemical industry, which solves the problem that the prior device is difficult to continuously purify the waste gas with acid and alkali liquids.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a waste gas treatment and purification device for coal chemical industry, comprising an acid purification seat and an alkali purification seat, the acid purification seat and the alkali purification seat are connected through an air guide pipe, the inner sides of the acid purification seat and the alkali purification seat are both provided with a gas separation seat, and the input end of the top side of the gas separation seat inside the acid purification seat is fixedly connected with an air intake pipe;

[0007] The input end of the gas distribution seat inside the alkali liquid purification seat is fixedly connected with a receiving pipe, the input end of the receiving pipe is fixedly connected to the tail end of the air guide pipe, and the input end of the air guide pipe is connected to the output end of the top side of the acid liquid purification seat;

[0008] The gas distribution seat is a hollow frame seat, a top plate is fixedly installed on the top side of the gas distribution seat, and a filling-type distributed gas distribution pipe is arranged on the top plate.

[0009] Preferably, the air duct is a U-shaped tube, the left end of the air duct is fixedly connected to the output end of the top side of the acid purification seat, and the right end of the air duct is fixedly connected to the input end of the top side of the alkali purification seat.

[0010] Preferably, the main body of the acid solution purification seat and the alkali solution purification seat is a liquid frame, an air frame is fixedly installed on the top side of the liquid frame, and the top side of the air frame is provided with corresponding air notches.

[0011] Preferably, an air groove is provided on the outer wall of the air frame in the alkali liquid purification seat, and an exhaust pipe located outside the air groove is fixedly connected to the outer wall of the air frame in the alkali liquid purification seat.

[0012] Preferably, the acid purification seat and the alkali purification seat are equipped with an activated carbon adsorption net group located between the liquid frame and the gas frame, and the activated carbon adsorption net group is filled with corresponding activated carbon adsorption fillers.

[0013] Preferably, the top plate is provided with gas distribution ports distributed in a filling manner, a gas distribution pipe connected with the gas distribution ports of each group is fixedly installed on the top of the top plate, and evenly distributed air holes are provided on the outer wall of the gas distribution pipe.

[0014] The utility model provides a waste gas treatment and purification device for coal chemical industry. It has the following beneficial effects:

[0015] The waste gas treatment and purification device of the coal chemical industry, through the arrangement of an acid purification seat and an alkali purification seat, can use the air inlet pipe to transmit the waste gas in sequence to the gas separation seats inside the acid purification seat and the alkali purification seat, and cooperate with the top plate and the gas separation pipe to ensure the contact area between the waste gas and the acid and alkali liquids, and ensure the purification and adsorption effect. At the same time, the arrangement of two groups of activated carbon adsorption net groups can absorb liquid molecules in the gas after contacting the acid and alkali liquids, and ensure the purification effect, which solves the problem that the existing device is difficult to continuously perform acid and alkali liquid purification on the waste gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the inner side of the acid purification seat of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the inner side of the alkali solution purification seat of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the gas distributor of the utility model.

[0020] In the figure: 1. acid purification seat; 11. liquid frame; 12. gas frame; 13. activated carbon adsorption net group; 2. alkali purification seat; 3. air guide pipe; 4. air inlet pipe; 5. exhaust pipe; 6. receiving pipe; 7. gas distribution seat; 71. top plate; 72. gas distribution pipe. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4 The embodiment of the utility model provides a technical solution: a waste gas treatment and purification device for coal chemical industry, comprising an acid purification seat 1 and an alkali purification seat 2, the acid purification seat 1 and the alkali purification seat 2 are connected through an air guide pipe 3, the inner sides of the acid purification seat 1 and the alkali purification seat 2 are both provided with a gas separation seat 7, and the input end of the top side of the gas separation seat 7 inside the acid purification seat 1 is fixedly connected with an air intake pipe 4;

[0023] The input end of the gas distribution seat 7 inside the alkali liquid purification seat 2 is fixedly connected with a receiving pipe 6, the input end of the receiving pipe 6 is fixedly connected to the tail end of the air guide pipe 3, and the input end of the air guide pipe 3 is connected to the output end of the top side of the acid liquid purification seat 1;

[0024] The air distribution seat 7 is a hollow frame seat, a top plate 71 is fixedly installed on the top side of the air distribution seat 7, and a filling-type distributed air distribution pipe 72 is arranged on the top plate 71;

[0025] Among them, in the present embodiment, it is necessary to supplementally explain that the waste gas treatment and purification device of the coal chemical industry, through the setting of the acid purification seat 1 and the alkali purification seat 2, can use the air inlet pipe 4 to transmit the waste gas to the gas separation seat 7 inside the acid purification seat 1 and the alkali purification seat 2 in sequence, and cooperate with the top plate 71 and the gas separation pipe 72 to ensure the contact area between the waste gas and the acid and alkali liquid, and ensure the purification and adsorption effect. At the same time, the setting of the two groups of activated carbon adsorption net groups 13 can absorb the liquid molecules in the gas after contact with the acid and alkali liquid, and ensure the purification effect, which solves the problem that the existing device is difficult to continuously purify the waste gas with acid and alkali liquid.

[0026] In this embodiment, it should be additionally explained that the air duct 3 is a U-shaped tube, the left end of the air duct 3 is fixedly connected to the output end on the top side of the acid purification seat 1, and the right end of the air duct 3 is fixedly connected to the input end on the top side of the alkali purification seat 2.

[0027] In this embodiment, it should be supplemented that the main body of the acid purification seat 1 and the alkali purification seat 2 is a liquid frame 11, an air frame 12 is fixedly installed on the top side of the liquid frame 11, and a corresponding air notch is provided on the top side of the air frame 12.

[0028] In this embodiment, it should be additionally explained that an air groove is provided on the outer wall of the air frame 12 in the alkali liquid purification seat 2, and an exhaust pipe 5 located outside the air groove is fixedly connected to the outer wall of the air frame 12 in the alkali liquid purification seat 2.

[0029] In this embodiment, it should be supplemented that the acid purification seat 1 and the alkali purification seat 2 are equipped with an activated carbon adsorption net group 13 located between the liquid frame 11 and the gas frame 12, and the activated carbon adsorption net group 13 is filled with corresponding activated carbon adsorption fillers.

[0030] In this embodiment, it should be additionally explained that the top plate 71 is provided with gas distribution ports distributed in a filling manner, a gas distribution pipe 72 connected to each group of gas distribution ports is fixedly installed on the top of the top plate 71, and the outer wall of the gas distribution pipe 72 is provided with evenly distributed air holes.

[0031] The working principle and use process of the utility model are as follows: when the device is needed to work, the exhaust gas is transported to the gas separation seat 7 inside the acid liquid purification seat 1 through the air inlet pipe 4, and at the same time, the dispersed exhaust gas is discharged to make it contact with the acid liquid inside the acid liquid purification seat 1, and the first step of adsorption purification is performed. The setting of the activated carbon adsorption net group 13 can adsorb the liquid molecules carried in the exhaust gas, and the treated gas is transported to the gas separation seat 7 inside the alkali liquid purification seat 2 along the air guide pipe 3 on the top side of the acid liquid purification seat 1 and the receiving pipe 6 on the inner side of the alkali liquid purification seat 2, and is discharged from the gas separation pipe 72 thereon to the alkali liquid inside the alkali liquid purification seat 2 for secondary adsorption purification, and is subjected to secondary adsorption treatment by the activated carbon adsorption net group 13 inside the alkali liquid purification seat 2, and finally the purified gas is output from the exhaust pipe 5.

[0032] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0033] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A waste gas treatment and purification device for coal chemical industry, characterized in that: The invention comprises an acid purification seat (1) and an alkali purification seat (2), wherein the acid purification seat (1) and the alkali purification seat (2) are connected via an air guide pipe (3), and an air separation seat (7) is arranged on the inner side of each of the acid purification seat (1) and the alkali purification seat (2), and an air inlet pipe (4) is fixedly connected to the input end on the top side of the air separation seat (7) inside the acid purification seat (1); The input end of the gas distribution seat (7) inside the alkali liquid purification seat (2) is fixedly connected to a receiving pipe (6), the input end of the receiving pipe (6) is fixedly connected to the tail end of the air guide pipe (3), and the input end of the air guide pipe (3) is connected to the output end of the top side of the acid liquid purification seat (1); The gas distribution seat (7) is a hollow frame seat, a top plate (71) is fixedly mounted on the top side of the gas distribution seat (7), and a filling-type distributed gas distribution pipe (72) is arranged on the top plate (71).

2. The waste gas treatment and purification device of coal chemical industry according to claim 1, characterized in that: The air guide tube (3) is a U-shaped tube, the left end of the air guide tube (3) is fixedly connected to the output end on the top side of the acid purification seat (1), and the right end of the air guide tube (3) is fixedly connected to the input end on the top side of the alkali purification seat (2).

3. The waste gas treatment and purification device of coal chemical industry according to claim 1, characterized in that: The main bodies of the acid liquid purification seat (1) and the alkali liquid purification seat (2) are liquid frames (11), an air frame (12) is fixedly mounted on the top side of the liquid frame (11), and corresponding air notches are arranged on the top side of the air frame (12).

4. The waste gas treatment and purification device of coal chemical industry according to claim 1, characterized in that: An air groove is provided on the outer wall of the air frame (12) in the alkali liquid purification seat (2), and an exhaust pipe (5) located outside the air groove is fixedly connected to the outer wall of the air frame (12) in the alkali liquid purification seat (2).

5. The waste gas treatment and purification device of coal chemical industry according to claim 1, characterized in that: The acid liquid purification seat (1) and the alkali liquid purification seat (2) are equipped with an activated carbon adsorption net group (13) located between the liquid frame (11) and the gas frame (12), and the activated carbon adsorption net group (13) is filled with corresponding activated carbon adsorption fillers.

6. The waste gas treatment and purification device of coal chemical industry according to claim 1, characterized in that: The top plate (71) is provided with gas distribution ports distributed in a filling manner, a gas distribution pipe (72) connected to the gas distribution ports of each group is fixedly installed on the top of the top plate (71), and evenly distributed air holes are provided on the outer wall of the gas distribution pipe (72).

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