A catalytic combustion device for exhaust gas with sufficient combustion

Abstract

The utility model discloses a kind of waste gas catalytic combustion devices of sufficient combustion, it is related to waste gas treatment technical field, the waste gas catalytic combustion device of sufficient combustion includes catalytic combustion furnace, catalytic combustion furnace is connected with activated carbon filter box by the desorption pipeline of side fixed connection, the upper portion of activated carbon filter box is equipped with main pipeline, and the end portion of main pipeline is fixedly connected with exhaust fan, exhaust fan is connected with high altitude exhaust cylinder by connecting elbow pipe;The outer side of high altitude exhaust cylinder is fixedly connected with connection protection shell, and the side of connection protection shell close to exhaust fan is integrally provided with inclined connecting pipe;The utility model, by the circulation pipeline of the other side setting of flange connecting pipe, waste gas is sent into the inside of catalytic combustion furnace again and is burned and handled, ensure sufficient combustion to waste gas, and improve the treatment effect to waste gas, and by means of the acceleration of airflow, can improve the combustion speed of waste gas, make inside waste gas get sufficient combustion.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field, specifically a waste gas catalytic combustion device of sufficient combustion. BACKGROUND

[0002] Compared with the traditional combustion mode, catalytic combustion has higher purification efficiency, waste gas enters the catalytic combustion reactor, under the action of the catalyst, the organic pollutants in the waste gas and oxygen in the air occur oxidation reaction, and flameless combustion is carried out at a lower temperature, and is converted into carbon dioxide and water and other harmless substances.

[0003] However, in practice, it has been noticed that when waste gas reacts in the catalytic combustion furnace, a certain time is needed for sufficient combustion, and the air blower will introduce the waste gas into the activated carbon filter box for direct filtration, if the flow speed of the waste gas is fast, it will lead to insufficient combustion of the waste gas, if the waste gas catalytic combustion is insufficient, the volatile organic compounds in the waste gas cannot be completely converted into carbon dioxide and water, and these incompletely reacted organic compounds will be directly discharged into the atmosphere, leading to the decline of air quality, and affecting the treatment effect of the waste gas catalytic combustion equipment on the waste gas. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a waste gas catalytic combustion device of sufficient combustion, and the detection probe in the flange connecting pipe is used to detect the treated waste gas, and the mutual cooperation of the discharge valve and the circulating valve is used to control the flow direction of the waste gas, the waste gas can be combusted again through the circulating pipeline, so that the waste gas is fully combusted.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A waste gas catalytic combustion device of sufficient combustion, comprising a catalytic combustion furnace, the catalytic combustion furnace is connected with an activated carbon filter box through a desorption pipeline fixedly connected on the side, a main pipeline is installed above the activated carbon filter box, and an exhaust fan is fixedly connected at the end of the main pipeline, and the exhaust fan is connected with a high-altitude exhaust cylinder through a connecting elbow;

[0007] The outer side of the high-altitude exhaust cylinder is fixedly connected with a connecting protection shell, one side of the connecting protection shell close to the exhaust fan is integrally provided with an inclined connecting pipe, and a tail gas detection circulator is installed between the inclined connecting pipe and the connecting elbow.

[0008] As a further technical scheme of the utility model, the tail gas detection circulator comprises a flange connecting pipe, the two ends of the flange connecting pipe are fixedly connected with the inclined connecting pipe and the connecting elbow respectively, and the inner side of the flange connecting pipe is fixedly connected with a spiral guide plate.

[0009] As a further technical scheme of the utility model, the spiral guide plate is arranged in a spiral shape on the inner side of the flange connecting pipe, and the flange connecting pipe is fixedly connected with a detection probe on the side surface, and the detection probe is located in the gap of the spiral guide plate.

[0010] As a further technical scheme of the utility model, the flange connecting pipe is fixedly connected with a discharge valve at one end, and the other end of the discharge valve is fixedly connected with the inclined connecting pipe.

[0011] As a further technical scheme of the utility model, the flange connecting pipe is fixedly connected with a circulating pipeline on the side away from the detection probe, and a circulating valve is fixedly connected between the circulating pipeline and the flange connecting pipe, and the other end of the circulating pipeline is communicated with the catalytic combustion furnace.

[0012] As a further technical scheme of the utility model, the active carbon filter box is arranged in a rectangular array on the side surface of the catalytic combustion furnace, the top of each active carbon filter box is fixedly connected with the main pipeline, and the inner side of the active carbon filter box is communicated with the inner side of the main pipeline.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The spiral guide plate fixed in a spiral shape on the inner side of the flange connecting pipe increases the residence time of the waste gas in the flange connecting pipe, thereby ensuring that the detection probe on the side surface of the flange connecting pipe has sufficient time to detect the waste gas and improving the detection precision.

[0015] 2. The mutual cooperation of the discharge valve and the circulating valve changes the direction of the treated waste gas, the waste gas meeting the standard can be discharged through the high-altitude exhaust pipe, and the waste gas not meeting the standard can be treated again through the circulating pipeline, thereby providing the treatment effect.

[0016] 3. The circulating pipeline arranged on the other side of the flange connecting pipe sends the waste gas into the inner side of the catalytic combustion furnace for combustion treatment, thereby ensuring the sufficient combustion of the waste gas and improving the treatment effect of the waste gas, and the acceleration of the airflow can improve the combustion speed of the waste gas, so that the waste gas in the inner side is fully combusted. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the utility model use state structure schematic diagram.

[0018] Figure 2 is another view of the utility model Figure 1 .

[0019] Figure 3 is the local enlarged schematic view of the utility model Figure 2 .

[0020] Figure 4 is the tail gas detection circulator of the utility model three-dimensional structure schematic diagram.

[0021] Figure 5 is the utility model Figure 4 Partial enlarged schematic diagram.

[0022] Figure 6 is the internal structure schematic diagram of the flange connecting pipe of the utility model.

[0023] In the figure,

[0024] High altitude exhaust cylinder-1, connecting protective shell-2, inclined connecting pipe-21, tail gas detection circulator-3, flange connecting pipe-31, discharge valve-32, circulating pipeline-33, circulating valve-34, detection probe-35, spiral guide plate-36, connecting elbow-4, exhaust fan-5, main pipeline-6, activated carbon filter box-7, catalytic combustion furnace-8, desorption pipeline-9. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1-6 The utility model embodiment provides a kind of waste gas catalytic combustion device of sufficient combustion, including catalytic combustion furnace 8, catalytic combustion furnace 8 is connected with activated carbon filter box 7 by the desorption pipeline 9 of side fixed connection, the upper portion of activated carbon filter box 7 is equipped with main pipeline 6, and the end of main pipeline 6 is fixedly connected with exhaust fan 5, and exhaust fan 5 is connected with high altitude exhaust cylinder 1 by connecting elbow 4;

[0027] The outer side of high altitude exhaust cylinder 1 is fixedly connected with connecting protective shell 2, and connecting protective shell 2 is integrally provided with inclined connecting pipe 21 on the side close to exhaust fan 5, and inclined connecting pipe 21 and connecting elbow 4 are equipped with tail gas detection circulator 3.

[0028] In the embodiment, the tail gas detection circulator 3 includes flange connecting pipe 31, and the two ends of flange connecting pipe 31 are fixedly connected with inclined connecting pipe 21 and connecting elbow 4 respectively, and the inner side of flange connecting pipe 31 is fixedly connected with spiral guide plate 36.

[0029] Further, the spiral guide plate 36 is arranged in a spiral shape on the inner side of the flange connecting pipe 31, and the detection probe 35 is fixedly connected to the side of the flange connecting pipe 31 and located in the gap of the spiral guide plate 36.

[0030] In particular, the flange connecting pipe 31 is fixedly connected to the end of the discharge valve 32, and the other end of the discharge valve 32 is fixedly connected to the inclined connecting pipe 21.

[0031] Further, the flange connecting pipe 31 is fixedly connected to the side away from the detection probe 35, and the circulation pipe 33 is fixedly connected between the flange connecting pipe 31 and the circulation valve 34, and the other end of the circulation pipe 33 is in communication with the catalytic combustion furnace 8.

[0032] Further, the active carbon filter box 7 is arranged in a rectangular array on the side of the catalytic combustion furnace 8, and the top of each active carbon filter box 7 is fixedly connected to the main pipe 6, and the inner side of the active carbon filter box 7 is in communication with the inner side of the main pipe 6.

[0033] By adopting the above technical scheme, the exhaust fan 5 sends the treated exhaust gas into the flange connecting pipe 31 through the connecting elbow 4, and the spiral guide plate 36 arranged in a spiral shape on the inner side of the flange connecting pipe 31 can slow down the flow speed of the exhaust gas, increase the residence time of the exhaust gas in the flange connecting pipe 31, and the detection probe 35 detects the exhaust gas on the inner side, when the exhaust gas meets the standard, the discharge valve 32 is opened, the circulation valve 34 is closed, the exhaust gas enters the high-altitude exhaust pipe 1 through the connecting protective shell 2, and is discharged from the end of the high-altitude exhaust pipe 1, when the exhaust gas does not meet the standard, the discharge valve 32 is closed, the circulation valve 34 is opened, and the exhaust gas reenters the catalytic combustion furnace 8 through the circulation pipe 33 for sufficient combustion, thereby improving the treatment effect of the exhaust gas.

[0034] In this embodiment, one end of the flange connecting pipe 31 is in communication with the inner side of the connecting elbow 4, the other side of the flange connecting pipe 31 is in communication with the inner side of the inclined connecting pipe 21 through the discharge valve 32, and the exhaust fan 5 sends the exhaust gas filtered by the active carbon filter box 7 into the exhaust gas detection circulator 3 through the connecting elbow 4 for detection.

[0035] Further, the end of the circulation pipe 33 is in communication with the gas inlet of the catalytic combustion furnace 8, and the exhaust gas that does not meet the standard is treated by recombusting in the inner side of the catalytic combustion furnace 8, so that the exhaust gas can be fully combusted, thereby improving the treatment effect of the exhaust gas.

[0036] More specifically, each of the active carbon filter box 7 side with desorption pipeline 9 away from the catalytic combustion furnace 8 one end fixed connection, waste gas in the catalytic combustion furnace 8 after combustion by desorption pipeline 9 into the multiple active carbon filter box 7 respectively arranged for processing, improve the processing efficiency of waste gas.

[0037] The working principle of the utility model is: in use, first of all, the waste gas is sent into the inside of catalytic combustion furnace 8 and is catalytically combusted, the combusted waste gas is filtered through the desorption pipeline 9 into the multiple active carbon filter box 7 arranged, the treated waste gas is into the main pipeline 6, the treated waste gas in the main pipeline 6 is sent into the flange connecting pipe 31 through the connecting bend pipe 4 by the exhaust fan 5, and the spiral guide plate 36 arranged in the form of spiral in the inside of flange connecting pipe 31 can slow down the flow speed of waste gas, increase the residence time of waste gas in the inside of flange connecting pipe 31, the detection probe 35 detects the treated waste gas in the inside, when the waste gas is up to standard, the exhaust valve 32 is opened, the circulating valve 34 is closed, the waste gas is into the high-altitude exhaust cylinder 1 through the connecting protection shell 2, and is discharged from the end of high-altitude exhaust cylinder 1, when the waste gas is not up to standard, the exhaust valve 32 is closed, the circulating valve 34 is opened, the waste gas is re-into the catalytic combustion furnace 8 through the circulating pipeline 33 and is combusted, so that the waste gas is fully combusted, and the airflow can also increase the combustion efficiency of waste gas in the inside of catalytic combustion furnace 8, improve the treatment effect and treatment efficiency of waste gas.

[0038] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

[0039] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A catalytic combustion apparatus for combustion exhaust gas, which is characterized by: Including catalytic combustion furnace (8), catalytic combustion furnace (8) is connected with activated carbon filter box (7) through side fixed connection desorption pipeline (9), the upper portion of activated carbon filter box (7) is installed with main pipeline (6), and the end of main pipeline (6) is fixedly connected with exhaust fan (5), exhaust fan (5) is connected with high altitude exhaust cylinder (1) through connecting elbow (4); The outer side of high altitude exhaust cylinder (1) is fixedly connected with connecting protection shell (2), and the side of connecting protection shell (2) close to exhaust fan (5) is integrally provided with inclined connecting pipe (21), and tail gas detection circulator (3) is installed between inclined connecting pipe (21) and connecting elbow (4).

2. The catalytic combustion apparatus of exhaust gas which is sufficiently combusted according to claim 1, characterized by: The tail gas detection circulator (3) includes a flange connecting pipe (31), and the two ends of the flange connecting pipe (31) are fixedly connected with the inclined connecting pipe (21) and the connecting elbow (4), and the inner side of the flange connecting pipe (31) is fixedly connected with a spiral guide plate (36).

3. The catalytic converter of claim 2, wherein: The spiral guide plate (36) is arranged in a spiral shape on the inner side of the flange connecting pipe (31), and the side of the flange connecting pipe (31) is fixedly connected with a detection probe (35), and the detection probe (35) is located in the gap of the spiral guide plate (36).

4. The catalytic converter of claim 3, wherein: The end of the flange connecting pipe (31) is fixedly connected with a discharge valve (32), and the other end of the discharge valve (32) is fixedly connected with the inclined connecting pipe (21).

5. The catalytic converter of claim 4, wherein: The side of the flange connecting pipe (31) away from the detection probe (35) is fixedly connected with a circulating pipeline (33), and the circulating pipeline (33) and the flange connecting pipe (31) are fixedly connected with a circulating valve (34), and the other end of the circulating pipeline (33) is communicated with the catalytic combustion furnace (8).

6. The catalytic converter of claim 5, wherein: The activated carbon filter box (7) is arranged in a rectangular array on the side of the catalytic combustion furnace (8), the top of each activated carbon filter box (7) is fixedly connected with the main pipeline (6), and the inner side of the activated carbon filter box (7) is communicated with the inner side of the main pipeline (6).

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