CN210320098U - Radioactive organic waste gas treatment device - Google Patents
Radioactive organic waste gas treatment device Download PDFInfo
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- CN210320098U CN210320098U CN201920662620.XU CN201920662620U CN210320098U CN 210320098 U CN210320098 U CN 210320098U CN 201920662620 U CN201920662620 U CN 201920662620U CN 210320098 U CN210320098 U CN 210320098U
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Abstract
The utility model discloses a radioactive organic waste gas treatment device, including vertical combustion furnace, it is cavity structure to fire burning furnace, and the combustion furnace bottom is equipped with the air inlet district, and air inlet district one side is equipped with the air intake, fires burning furnace top and is equipped with the treatment area, is equipped with the catalyst board in the treatment area, fires burning furnace middle part and divide into equipment district and circulation district, and wherein the equipment district includes plate heat exchanger and electric heater, plate heat exchanger below intercommunication air inlet district, plate heat exchanger top intercommunication electric heater, the opposite side of firing furnace middle part is equipped with the air exit, the utility model discloses novel structure fires burning furnace low temperature catalytic combustion, and radioactive organic gas just can discharge after furnace adversion round, and purifying effect is good, and the heat transfer is abundant, and heat utilization rate is high, the energy saving, reduce cost.
Description
Technical Field
The invention belongs to the technical field of waste gas treatment, and particularly relates to a radioactive organic waste gas treatment device.
Background
With the continuous development of society, all countries in the world save energy and protect the environment. The nuclear waste is generally treated in an incinerator, and the discharged VOCs organic waste gas can be discharged after being treated, so that the common methods for treating the organic waste gas at present comprise a combustion method, an adsorption method, a condensation method, a photolysis method, an absorption method, an oxidation method, a biological treatment method and the like, wherein the combustion method is the most effective and is an important means for treating the organic waste gas. The combustion method generally feeds the waste gas of organic gas into a high-temperature combustion furnace to convert combustible components into carbon dioxide and water by combustion, and has high treatment efficiency, high energy consumption, overhigh operating cost and waste of a large amount of heat energy in the waste gas. At present, some enterprises begin to use low-temperature combustion, but the heat energy utilization is not uniform, the heat energy utilization rate is low, and the large-scale popularization cannot be realized.
Disclosure of Invention
In order to solve the problems, the invention discloses a radioactive organic waste gas treatment device which is novel in structure, sufficient in heat exchange, high in heat energy utilization rate, energy-saving and cost-reducing.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a radioactive organic waste gas treatment device, includes vertical combustion furnace, it is the cavity structure to fire burning furnace, and the burning furnace bottom is equipped with the air inlet district, and air inlet district one side is equipped with the air intake, fires burning furnace top and is equipped with the treatment zone, is equipped with the catalyst board in the treatment zone, fires burning furnace middle part and divide into equipment district and circulation district, and wherein the equipment district includes plate heat exchanger and electric heater, plate heat exchanger below intercommunication air inlet district, plate heat exchanger top intercommunication electric heater, the opposite side of firing burning furnace middle part is equipped with the air exit.
As an improvement of the invention, the outer wall of the combustion furnace is provided with an insulating layer.
As an improvement of the invention, the electric heater comprises a heating furnace and a plurality of heating pipes, the heating pipes are uniformly and horizontally arranged above the equipment area, and a partition wall is arranged between each heating pipe and the circulation area.
As an improvement of the invention, the air inlet and the air outlet are opposite in direction.
As an improvement of the invention, the plate sheet of the plate heat exchanger is a concave-convex curved surface.
As an improvement of the invention, the air outlet is provided with a detection port.
As an improvement of the invention, an arc-shaped air inducing block is arranged at the corner in the combustion furnace.
The invention has the beneficial effects that:
the radioactive organic waste gas treatment device is novel in structure, low-temperature catalytic combustion is carried out in the furnace, radioactive organic gas is discharged after rotating for a circle in the hearth, the purification effect is good, heat exchange is sufficient, the heat energy utilization rate is high, energy is saved, and the cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a left side view of the present invention.
List of reference numerals:
1. the device comprises a combustion furnace, 2, an air inlet area, 3, an air inlet, 4, a treatment area, 5, an equipment area, 6, a circulation area, 7, a plate heat exchanger, 8, an electric heater, 10, a catalyst plate, 11, an air outlet, 12, a heat insulation layer, 13, a heating furnace, 14, a heating pipe, 15, a partition wall, 16, a detection port, 17, an arc-shaped air guide block, 18 and a concave-convex curved surface.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in the figure, the radioactive organic waste gas treatment device comprises a vertical combustion furnace 1, wherein the combustion furnace 1 is of a cavity structure, an air inlet area 2 is arranged at the bottom of the combustion furnace 1, an air inlet 3 is arranged at one side of the air inlet area 2, a treatment area 4 is arranged above the combustion furnace 1, a catalyst plate 10 is arranged in the treatment area 4, the middle part of the combustion furnace 1 is divided into a device area 5 and a circulation area 6, the device area 5 comprises a plate type heat exchanger 7 and an electric heater 8, the lower part of the plate type heat exchanger 7 is communicated with the air inlet area 2, the upper part of the plate type heat exchanger 7 is communicated with the electric heater 8, and an air outlet 11 is arranged at the.
The electric heater comprises a heating furnace 13 and a plurality of heating pipes 14, wherein the heating furnace 13 is arranged outside a combustion furnace, the heating pipes 14 are uniformly and horizontally arranged above an equipment area 5 and are positioned on an airflow channel, and a partition wall 15 is arranged between each heating pipe 14 and a circulation area 6.
The invention discloses a radioactive organic waste gas treatment device, which is a catalytic combustion device, and adopts a low-temperature combustion method at the temperature of 280-: waste gas enters an air inlet area 2 from an air inlet 3, rises to a heating pipe 14 area from a plate heat exchanger 7, is heated, combusted and purified, and then is discharged from an air outlet 11 after passing through a catalyst plate 10, a circulation area 6 and the plate heat exchanger 7, the heater heats and exchanges heat of the waste gas to about 350 ℃, the gas turns a circle in a hearth, the waste gas in the plate heat exchanger 7 is preheated, the heat energy of the hearth can be fully utilized, and finally the waste gas is discharged from the air outlet. Novel structure, energy saving and cost reduction.
The plate heat exchanger has the structure that a plurality of pressed concave-convex curved surfaces 18 exchange heat, and has the following functions: 1. a space enough for diffusing and equalizing air is arranged between the air inlet and the heat exchanger, so that air flow can more uniformly enter each cold air inlet channel of the heat exchanger. 2. The whole air outlet section of the heat exchanger faces the electric heating area, and the heat exchange is more sufficient and uniform. 3. After the waste gas is catalytically combusted, the hot air flow has enough space in the heat exchanger, so that the hot air flow can uniformly enter each hot channel of the heat exchanger and then is discharged from the air outlet.
The outer wall of the combustion furnace 1 is provided with the heat preservation layer 12, so that heat loss is reduced, and resources are saved.
The gas of the invention rotates a circle in the hearth, the direction of the air inlet 3 is opposite to that of the air outlet 11, and the arc-shaped air guide block 17 is arranged at the corner in the combustion furnace 1, so that the gas can conveniently flow.
The air outlet is provided with a detection port 16 for detecting whether the exhaust gas meets the requirements.
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features.
Claims (7)
1. A radioactive organic waste gas treatment device is characterized in that: the device comprises a vertical combustion furnace, wherein the combustion furnace is of a cavity structure, an air inlet area is arranged at the bottom of the combustion furnace, an air inlet is formed in one side of the air inlet area, a treatment area is arranged above the combustion furnace, a catalyst plate is arranged in the treatment area, the middle part of the combustion furnace is divided into an equipment area and a circulation area, the equipment area comprises a plate heat exchanger and an electric heater, the lower part of the plate heat exchanger is communicated with the air inlet area, the upper part of the plate heat exchanger is communicated with the electric heater, and an air outlet is formed.
2. A radioactive organic waste gas treatment apparatus according to claim 1, wherein: and the outer wall of the combustion furnace is provided with a heat insulation layer.
3. A radioactive organic waste gas treatment apparatus according to claim 1, wherein: the electric heater comprises a heating furnace and a plurality of heating pipes, the heating pipes are uniformly and horizontally arranged above the equipment area, and a partition wall is arranged between each heating pipe and the corresponding circulation area.
4. A radioactive organic waste gas treatment apparatus according to claim 1, wherein: the air inlet and the air outlet are opposite in direction.
5. A radioactive organic waste gas treatment apparatus according to claim 1, wherein: the plate sheet of the plate heat exchanger is a concave-convex curved surface.
6. A radioactive organic waste gas treatment apparatus according to claim 1, wherein: the air outlet is provided with a detection port.
7. A radioactive organic waste gas treatment apparatus according to claim 1, wherein: and arc-shaped air inducing blocks are arranged at the corners in the combustion furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920662620.XU CN210320098U (en) | 2019-05-10 | 2019-05-10 | Radioactive organic waste gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920662620.XU CN210320098U (en) | 2019-05-10 | 2019-05-10 | Radioactive organic waste gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210320098U true CN210320098U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920662620.XU Active CN210320098U (en) | 2019-05-10 | 2019-05-10 | Radioactive organic waste gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210320098U (en) |
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2019
- 2019-05-10 CN CN201920662620.XU patent/CN210320098U/en active Active
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