Catalytic decomposition device for organic waste gas

Abstract

The utility model relates to the technical field of organic waste gas treatment, in particular to a catalytic decomposition device for organic waste gas, which comprises a main body, the inner wall of the main body is fixedly connected with a plurality of support frames, the top of each support frame is provided with a limit frame, the inside of each limit frame is provided with a mounting cavity, and the mounting cavities are communicated with the main body. A mounting cavity is formed in the main body, a catalyst is fixedly connected to the interior of the mounting cavity, a compressed air discharge pipe is fixedly connected to the interior of the mounting cavity, the compressed air discharge pipe is located below the catalyst, a plurality of through holes are formed in the lower surface of the compressed air discharge pipe, and a waste gas inlet pipe is fixedly connected to the back face of the main body; the waste gas inlet pipe is located below the supporting frame. The utility model provides equipment capable of supplementing oxygen at any time and assisting rapid catalytic decomposition of organic waste gas.

Description

TECHNICAL FIELD

[0001] The utility model relates to organic waste gas treatment field especially, it is a kind of catalytic decomposition device for organic waste gas. BACKGROUND

[0002] Organic waste gas is discharged in industrial production, and the waste gas containing volatile organic compounds (VOCs) inside, in order to convert organic matter into harmless substance, it needs to be catalytically decomposed before organic waste gas is discharged, and organic matter is converted into carbon dioxide and water at lower temperature by the action of catalyst.

[0003] The main principle of catalytic decomposition of organic waste gas is to convert organic waste gas into harmless carbon dioxide and water under the action of oxygen and catalyst, in order to ensure the efficiency of catalytic decomposition, the oxygen content inside during catalytic decomposition of organic waste gas needs to be paid attention to, to avoid the possibility of heat runaway caused by too high waste gas concentration, and it needs to be diluted or temperature-controlled in time. UTILITARY MODEL

[0004] Therefore, the utility model provides a kind of catalytic decomposition device for organic waste gas, and the main technical problem to be solved is to provide a kind of equipment that can supplement oxygen at any time and assist the rapid catalytic decomposition of organic waste gas.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of catalytic decomposition device for organic waste gas, including main part, the inner wall of the main part is fixedly connected with support frame, the number of support frame is multiple, the top of multiple support frames is all installed with limit support, the inside of limit support is equipped with installation cavity, the inside of installation cavity is fixedly connected with catalyst, the inside of installation cavity is fixedly connected with compressed air discharge pipe, compressed air discharge pipe is located below catalyst, the lower surface of compressed air discharge pipe is equipped with through-hole, the number of through-hole is multiple, the back of main part is fixedly connected with waste gas inlet pipe, waste gas inlet pipe is located below support frame.

[0006] By adopting the above technical scheme, the inside of catalyst includes one or several of Pt, Pd or MnO, CeO etc., when using, organic waste gas is added to the inside of main part from waste gas inlet pipe, organic waste gas is heated by heating rod, and catalytic decomposition of organic waste gas can be carried out by catalyst, so that it is converted into harmless carbon dioxide and water, compressed air can be added to the inside of main part by compressed air inlet pipe, the oxygen concentration in the inside of main part is improved, organic waste gas is diluted, the catalytic decomposition rate of organic waste gas can be ensured, and heat runaway caused by too high waste gas concentration can be avoided.

[0007] As a further description of the above technical scheme:

[0008] The inside of the main body is fixedly connected with heating rods, the number of the heating rods is multiple, and the multiple heating rods are arranged in a staggered manner.

[0009] By adopting the above technical scheme, the inside of the heating rod is provided with an electric heating wire, the organic waste gas can be heated and treated through the heating rod, the temperature during the catalytic decomposition of the organic waste gas is ensured, and the staggered heating rods can fully heat the organic waste gas in the inside of the main body.

[0010] As a further description of the above technical scheme:

[0011] The inside of the support frame is provided with a first channel, the sidewall of the support frame is fixedly connected with a compressed air inlet pipe, the compressed air inlet pipe is in communication with the first channel, and the inside of the compressed air inlet pipe is provided with a control valve.

[0012] By adopting the above technical scheme, the compressed air enters the first channel through the compressed air inlet pipe, and the opening and closing of the compressed air inlet pipe can be controlled through the control valve.

[0013] As a further description of the above technical scheme:

[0014] The top of the support frame is fixedly connected with a connecting pipe, and the connecting pipe is in communication with the first channel.

[0015] By adopting the above technical scheme, the compressed air can enter the compressed air outlet pipe.

[0016] As a further description of the above technical scheme:

[0017] The inside of the limiting frame is provided with a second channel, the connecting pipe is located in the inside of the second channel, and the compressed air outlet pipe is in communication with the second channel.

[0018] By adopting the above technical scheme, the compressed air passes through the compressed air inlet pipe, the first channel, the second channel, enters the inside of the compressed air outlet pipe, and passes through the through hole to enter the inside of the main body, the oxygen concentration in the inside of the main body is improved, the organic waste gas is diluted, the position of the limiting frame is limited when the connecting pipe is located in the inside of the second channel, and the limiting frame is conveniently installed on the support frame.

[0019] As a further description of the above technical scheme:

[0020] The top of the main body is fixedly connected with an air pump, an input pipe of the air pump extends to the inside of the main body, and an output pipe of the air pump is located on the outside of the main body.

[0021] By adopting the technical scheme, the organic waste gas in the main body can be sucked by the air pump, the organic waste gas is facilitated to contact with the catalyst, catalytic decomposition is completed, and the generated carbon dioxide and water can be discharged from the main body.

[0022] By the above technical scheme, the catalytic decomposition device for organic waste gas has at least the following beneficial effects:

[0023] 1. Compared with the prior art, the catalytic decomposition device for organic waste gas adds the organic waste gas into the inside of the main body from the waste gas inlet pipe, heats the organic waste gas by the heating rod, catalytically decomposes the organic waste gas by the catalyst to convert it into harmless carbon dioxide and water, adds compressed air into the inside of the main body by the compressed air inlet pipe to increase the oxygen concentration in the main body, dilutes the organic waste gas, ensures the catalytic decomposition rate of the organic waste gas, and avoids heat runaway caused by too high waste gas concentration.

[0024] 2. Compared with the prior art, the catalytic decomposition device for organic waste gas passes the compressed air through the compressed air inlet pipe, the first channel, the second channel, into the inside of the compressed air outlet pipe, and into the inside of the main body through the through hole, increases the oxygen concentration in the main body, dilutes the organic waste gas, and limits the position of the limiting frame in the second channel of the connecting pipe, so that the limiting frame is facilitated to be installed on the supporting frame. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The utility model provides a kind of overall structure schematic view of catalytic decomposition device for organic waste gas proposed by the utility model;

[0026] Figure 2 The first perspective internal structure sectional view of catalytic decomposition device for organic waste gas proposed by the utility model;

[0027] Figure 3 The second perspective internal structure sectional view of catalytic decomposition device for organic waste gas proposed by the utility model; Figure 2

[0028] Figure 4 The second perspective internal structure sectional view of catalytic decomposition device for organic waste gas proposed by the utility model;

[0029] LEGEND:

[0030] 1, main body;2, supporting frame;3, limiting frame;4, catalyst;5, heating rod;6, first channel;7, compressed air inlet pipe;8, connecting pipe;9, second channel;10, compressed air outlet pipe;11, through hole;12, air pump;13, waste gas inlet pipe. ​DETAILED DESCRIPTION

[0031] With reference Figures 1-4 The utility model provides a kind of catalytic decomposition device for organic waste gas: including main body 1, the inner wall of main body 1 is fixedly connected with support frame 2, the quantity of support frame 2 is multiple, the top of multiple support frames 2 is all installed with limiting frame 3, installation cavity is set in the inside of limiting frame 3, catalytic agent 4 is fixedly connected in the inside of installation cavity, the inside of catalytic agent 4 includes one or several of Pt, Pd or MnO2, CeO2, etc., catalytic decomposition is carried out to organic waste gas by catalytic agent 4, compressed air discharge pipe 10 is fixedly connected in the inside of installation cavity, compressed air discharge pipe 10 is below catalytic agent 4, the lower surface of compressed air discharge pipe 10 is set with through-hole 11, the quantity of through-hole 11 is multiple, the back of main body 1 is fixedly connected with waste gas inlet pipe 13, waste gas inlet pipe 13 is below support frame 2, when using, organic waste gas is added to the inside of main body 1 from waste gas inlet pipe 13, heating rod 5 is heated to organic waste gas, catalytic decomposition can be carried out to organic waste gas by catalytic agent 4, so that it is converted into harmless carbon dioxide and water, compressed air is added to the inside of main body 1 by compressed air inlet pipe 10, the oxygen concentration in the inside of main body 1 is improved, organic waste gas is diluted, the catalytic decomposition rate of organic waste gas can be guaranteed, and heat runaway caused by too high waste gas concentration can be avoided.

[0032] Heating rod 5 is fixedly connected in the inside of main body 1, the quantity of heating rod 5 is multiple, multiple heating rods 5 are staggered arrangement, heating rod 5 is provided with electric heating wire in the inside, heating treatment can be carried out to organic waste gas by heating rod 5, guarantee the temperature when organic waste gas catalytic decomposition, and the organic waste gas in the inside of main body 1 can be heated sufficiently by staggered arrangement of heating rod 5.

[0033] First passageway 6 is set in the inside of support frame 2, support frame 2 is fixedly connected with compressed air inlet pipe 7, compressed air inlet pipe 7 is communicated with first passageway 6, control valve is installed in the inside of compressed air inlet pipe 7, connecting pipe 8 is fixedly connected on the top of support frame 2, connecting pipe 8 is communicated with first passageway 6, second passageway 9 is set in the inside of limiting frame 3, connecting pipe 8 is located in the inside of second passageway 9, compressed air discharge pipe 10 is communicated with second passageway 9, compressed air passes through compressed air inlet pipe 7, first passageway 6, second passageway 9 and enters the inside of compressed air discharge pipe 10, and passes through through-hole 11 and enters the inside of main body 1, improve the oxygen concentration in the inside of main body 1, dilute organic waste gas, while in the inside of second passageway 9 in connecting pipe 8, so that the position of limiting frame 3 can be limited, and limiting frame 3 is installed on support frame 2 conveniently.

[0034] The top of the main body 1 is fixedly connected with an air pump 12, the input pipe of the air pump 12 extends to the inside of the main body 1, the output pipe of the air pump 12 is located outside the main body 1, the organic waste gas in the main body 1 can be sucked by the air pump 12, so that the organic waste gas is contacted with the catalyst 4, the catalytic decomposition is completed, and the generated carbon dioxide and water can be discharged from the main body 1.

[0035] Working principle: when in use, the organic waste gas is added into the inside of the main body 1 from the waste gas inlet pipe 13, the organic waste gas is heated by the heating rod 5, the organic waste gas is catalytically decomposed by the catalyst 4, so that the organic waste gas is converted into harmless carbon dioxide and water, the compressed air is added into the inside of the main body 1 through the compressed air inlet pipe 10, the oxygen concentration in the main body 1 is improved, the organic waste gas is diluted, the catalytic decomposition rate of the organic waste gas is ensured, and the heat runaway caused by the high concentration of waste gas is avoided.

[0036] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A catalytic decomposition device for organic waste gas, comprising a main body (1), characterized in that: The inner wall of the main body (1) is fixedly connected to a support frame (2), and there are multiple support frames (2). Each support frame (2) has a limit frame (3) installed on its top. The limit frame (3) has an installation cavity inside, and a catalyst (4) is fixedly connected inside the installation cavity. A compressed air discharge pipe (10) is fixedly connected inside the installation cavity. The compressed air discharge pipe (10) is located below the catalyst (4). A through hole (11) is opened on the lower surface of the compressed air discharge pipe (10). There are multiple through holes (11). An exhaust gas inlet pipe (13) is fixedly connected to the back of the main body (1). The exhaust gas inlet pipe (13) is located below the support frame (2).

2. The catalytic decomposition device for organic waste gas according to claim 1, characterized in that: A heating rod (5) is fixedly connected inside the main body (1). There are multiple heating rods (5), and the multiple heating rods (5) are staggered.

3. The catalytic decomposition device for organic waste gas according to claim 1, characterized in that: The support frame (2) has a first channel (6) inside. A compressed air inlet pipe (7) is fixedly connected to the side wall of the support frame (2). The compressed air inlet pipe (7) is connected to the first channel (6). A control valve is installed inside the compressed air inlet pipe (7).

4. The catalytic decomposition device for organic waste gas according to claim 1, characterized in that: The top of the support frame (2) is fixedly connected to a connecting pipe (8), which is connected to the first channel (6).

5. A catalytic decomposition device for organic waste gas according to claim 4, characterized in that: The limiting frame (3) has a second channel (9) inside, the connecting pipe (8) is located inside the second channel (9), and the compressed air discharge pipe (10) is connected to the second channel (9).

6. A catalytic decomposition device for organic waste gas according to claim 1, characterized in that: An air pump (12) is fixedly connected to the top of the main body (1). The input pipe of the air pump (12) extends into the interior of the main body (1), and the output pipe of the air pump (12) is located on the outside of the main body (1).

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