Oil-containing waste gas recovery device

Abstract

The utility model relates to an oil-containing waste gas recovery device which comprises an equipment body, a gas inlet pipeline is arranged at the front end of the equipment body, a gas outlet pipeline is arranged at the rear end of the equipment body, a plurality of activated carbon adsorption layers are arranged in the equipment body, and a gap is reserved between every two adjacent activated carbon adsorption layers. A bottom steam connecting pipe is arranged at the bottom of the equipment body, a top steam connecting pipe is arranged at the top of the equipment body, a fan is arranged on the air inlet pipeline, and a dehydration layer is arranged on the air inlet pipeline at the rear part of the fan. According to the utility model, oil in waste gas is separated and reused, the operation is safer, and the maintenance is more convenient.

Description

Technical Field

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

[0002] In the existing treatment of oily waste gas, if traditional catalytic combustion is used, the temperature of the combustion equipment will cause excessive increase, there will be a fire hazard, the use effect is not ideal, and it does not meet the actual use needs. Now we are considering using an environmentally friendly and safe method to treat oily waste gas, which is more economical and environmentally friendly. Utility Model Content

[0003] Purpose of the invention: The purpose of the utility model is to overcome the deficiencies in the prior art and to provide a device for recovering oily waste gas which can separate the oil in the waste gas and reuse it, and which is safer to operate and more convenient to maintain.

[0004] Technical solution: In order to solve the above technical problems, the utility model discloses an oil-containing waste gas recovery device, which includes an equipment body, an air inlet pipe is provided at the front end of the equipment body, an air outlet pipe is provided at the rear end of the equipment body, a plurality of activated carbon adsorption layers are provided in the equipment body, and a spacing is left between adjacent activated carbon adsorption layers. A bottom steam pipe is provided at the bottom of the equipment body and a top steam pipe is provided at the top. A fan is provided on the air inlet pipe, a dehydration layer is provided on the air inlet pipe at the rear of the fan, an electromagnetic switch valve I is provided on the air inlet pipe at the rear of the dehydration layer, an electromagnetic switch valve II is provided on the air outlet pipe, an electromagnetic switch valve III is provided on the top steam pipe, a condensation layer is provided on the top steam pipe in front of the electromagnetic switch valve III, the front end of the top steam pipe is connected to a collecting tank, and a differential pressure transmitter is provided between the air inlet pipe and the air outlet pipe.

[0005] Furthermore, the air outlet pipe is arranged higher than the air inlet pipe.

[0006] Furthermore, four activated carbon adsorption layers are provided in the device body.

[0007] Furthermore, a plurality of steam branch pipes are provided on the bottom steam connecting pipe, and the steam branch pipes are arranged below the activated carbon adsorption layer and are arranged one by one.

[0008] Furthermore, one end of the top steam pipe is close to the gas outlet pipe.

[0009] Furthermore, the differential pressure transmitter is arranged between the inner sides of the electromagnetic switch valve I and the electromagnetic switch valve II.

[0010] Furthermore, the left and right sides of the equipment body are semi-sloped structures and are asymmetrical.

[0011] Furthermore, columnar activated carbon particles with good oil absorption are placed in the activated carbon adsorption layer.

[0012] Furthermore, steam is transported into the equipment body through the bottom steam pipe and then flows out from the top steam pipe to the collection tank.

[0013] Beneficial effects: Compared with the prior art, the utility model has the following significant advantages: the utility model has a reasonable structure, the fan transports the oil-containing waste gas to the dehydration layer, first dries the moisture in the waste gas, and then enters the equipment body, an activated carbon adsorption layer is installed inside the equipment body, columnar activated carbon particles with good oil absorption are placed in the activated carbon adsorption layer, the activated carbon layer adsorbs most of the oil in the oil-containing waste gas, and finally discharges it from the air outlet, steam pipes are installed at the bottom and top of the equipment, steam is blown into the activated carbon plate from the bottom, an electromagnetic switch valve is installed on the top pipe, and then passes through the condensation layer and finally reaches the collection tank, an electromagnetic switch valve is installed on the waste gas inlet and outlet pipes to control the waste gas inlet and outlet, and a differential pressure transmitter is installed on the waste gas inlet and outlet pipes to measure the change in inlet and outlet pressure;

[0014] During the operation of the equipment, first close the electromagnetic switch valve on the top steam pipe, then close the steam transmission of the bottom steam pipe, and then open the electromagnetic switch valve of the inlet and outlet. The oily waste gas is transported into the equipment through the fan, passes through the activated carbon adsorption layer, and leaves from the right outlet. When the differential pressure transmitter detects that the pressure of the inlet and outlet waste gas does not change, the activated carbon has been fully adsorbed by the oil. Then close the fan and the electromagnetic valves of the inlet and outlet, open the electromagnetic switch valve of the top steam pipe, and steam enters the equipment from the bottom pipe, blowing the oil adsorbed by the activated carbon into the top pipe, and then it is cooled by the condensation layer to become an oil-water mixture, and finally enters the collection tank. Finally, the oil is separated through other processes, and the previous steps are repeated;

[0015] The utility model is more economical and environmentally friendly, saves materials, is safe to operate, and is easy to maintain, meeting actual use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model. DETAILED DESCRIPTION

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments. Example 1

[0018] like Figure 1As shown, the utility model discloses a device for recovering oil-containing waste gas, which comprises an equipment body 1, the left and right sides of the equipment body 1 are semi-slope structures and are asymmetrical, an air inlet pipe 2 is provided at the front end of the equipment body 1, and an air outlet pipe 12 is provided at the rear end of the equipment body 1, and the air outlet pipe 12 is arranged higher than the air inlet pipe 2, four activated carbon adsorption layers 6 are arranged in the equipment body 1, and a spacing is left between adjacent activated carbon adsorption layers 6, and columnar activated carbon particles with good oil absorption are placed in the activated carbon adsorption layer 6, a bottom steam pipe 7 is provided at the bottom of the equipment body 1, and a top steam pipe 13 is provided at the top, one end of the top steam pipe 13 is close to the air outlet pipe 12, and four steam branches 15 are provided on the bottom steam pipe 7, and the steam branches 15 are arranged under the activated carbon adsorption layer 6. A fan 3 is provided on the air inlet pipe 2, a dehydration layer 4 is provided on the air inlet pipe 2 at the rear of the fan 3, an electromagnetic switch valve I5 is provided on the air inlet pipe 2 at the rear of the dehydration layer 4, an electromagnetic switch valve II14 is provided on the air outlet pipe 12, an electromagnetic switch valve III8 is provided on the top steam pipe 13, a condensation layer 9 is provided on the top steam pipe 13 in front of the electromagnetic switch valve III8, the front end of the top steam pipe 13 is connected to the collecting tank 10, a differential pressure transmitter 11 is provided between the air inlet pipe 2 and the air outlet pipe 12, the differential pressure transmitter 11 is provided between the inner sides of the electromagnetic switch valve I5 and the electromagnetic switch valve II14, and steam is transported from the bottom steam pipe 7 to the equipment body 1, and then flows out from the top steam pipe 13 to the collecting tank 10. Example 2

[0019] The utility model discloses a device for recovering oily waste gas, which comprises a device body 1, wherein the left and right sides of the device body 1 are semi-slope structures and are asymmetrical, an air inlet pipe 2 is arranged at the front end of the device body 1, and an air outlet pipe 12 is arranged at the rear end of the device body 1, wherein the air outlet pipe 12 is arranged higher than the air inlet pipe 2, five activated carbon adsorption layers 6 are arranged in the device body 1, and a spacing is left between adjacent activated carbon adsorption layers 6, and columnar activated carbon particles with good oil absorption are placed in the activated carbon adsorption layers 6, a bottom steam pipe 7 is arranged at the bottom of the device body 1, and a top steam pipe 13 is arranged at the top, wherein one end of the top steam pipe 13 is close to the air outlet pipe 12, and five steam branch pipes 15 are arranged on the bottom steam pipe 7, wherein the steam branch pipes 15 are arranged below the activated carbon adsorption layer 6 and They are arranged in one-to-one correspondence. A fan 3 is provided on the air inlet pipe 2. A dehydration layer 4 is provided on the air inlet pipe 2 behind the fan 3. An electromagnetic switch valve I5 is provided on the air inlet pipe 2 behind the dehydration layer 4. An electromagnetic switch valve II14 is provided on the air outlet pipe 12. An electromagnetic switch valve III8 is provided on the top steam pipe 13. A condensation layer 9 is provided on the top steam pipe 13 in front of the electromagnetic switch valve III8. The front end of the top steam pipe 13 is connected to the collecting tank 10. A differential pressure transmitter 11 is provided between the air inlet pipe 2 and the air outlet pipe 12. The differential pressure transmitter 11 is provided between the inner sides of the electromagnetic switch valve I5 and the electromagnetic switch valve II14. Steam is transported from the bottom steam pipe 7 to the equipment body 1, and then flows out from the top steam pipe 13 to the collecting tank 10. Example 3

[0020] The utility model discloses a device for recovering oily waste gas, which comprises a device body 1, wherein the left and right sides of the device body 1 are semi-slope structures and are asymmetrical, an air inlet pipe 2 is arranged at the front end of the device body 1, and an air outlet pipe 12 is arranged at the rear end of the device body 1, wherein the air outlet pipe 12 is arranged higher than the air inlet pipe 2, six activated carbon adsorption layers 6 are arranged in the device body 1, and a spacing is left between adjacent activated carbon adsorption layers 6, and columnar activated carbon particles with good oil absorption are placed in the activated carbon adsorption layers 6, a bottom steam pipe 7 is arranged at the bottom of the device body 1, and a top steam pipe 13 is arranged at the top, wherein one end of the top steam pipe 13 is close to the air outlet pipe 12, and six steam branch pipes 15 are arranged on the bottom steam pipe 7, wherein the steam branch pipes 15 are arranged below the activated carbon adsorption layer 6 and They are arranged in one-to-one correspondence. A fan 3 is provided on the air inlet pipe 2. A dehydration layer 4 is provided on the air inlet pipe 2 behind the fan 3. An electromagnetic switch valve I5 is provided on the air inlet pipe 2 behind the dehydration layer 4. An electromagnetic switch valve II14 is provided on the air outlet pipe 12. An electromagnetic switch valve III8 is provided on the top steam pipe 13. A condensation layer 9 is provided on the top steam pipe 13 in front of the electromagnetic switch valve III8. The front end of the top steam pipe 13 is connected to the collecting tank 10. A differential pressure transmitter 11 is provided between the air inlet pipe 2 and the air outlet pipe 12. The differential pressure transmitter 11 is provided between the inner sides of the electromagnetic switch valve I5 and the electromagnetic switch valve II14. Steam is transported from the bottom steam pipe 7 to the equipment body 1, and then flows out from the top steam pipe 13 to the collecting tank 10.

[0021] The utility model has a reasonable structure. The fan conveys the oil-containing waste gas to the dehydration layer, first dries the moisture in the waste gas, and then enters the equipment body. An activated carbon adsorption layer is installed inside the equipment body. Columnar activated carbon particles with good oil absorption are placed in the activated carbon adsorption layer. The activated carbon layer adsorbs most of the oil in the oil-containing waste gas and finally discharges it from the air outlet. Steam pipes are installed at the bottom and top of the equipment. The steam is blown into the activated carbon plate from the bottom. An electromagnetic switch valve is installed on the top pipe, and then it passes through the condensation layer and finally reaches the collection tank. An electromagnetic switch valve is installed on the waste gas inlet and outlet pipes to control the inlet and outlet of the waste gas. A differential pressure transmitter is installed on the waste gas inlet and outlet pipes to measure the change of inlet and outlet pressure. During the operation of the equipment, the electric switch valve on the top steam pipe is first closed. The magnetic switch valve is then closed, and the steam supply of the bottom steam pipe is closed, and then the electromagnetic switch valve of the inlet and outlet is opened. The oily exhaust gas is transported into the equipment through the fan, passes through the activated carbon adsorption layer, and leaves from the right outlet. When the differential pressure transmitter detects that the inlet and outlet exhaust gas pressure does not change, the activated carbon has been fully adsorbed by the oil. Then the fan and the electromagnetic valves of the inlet and outlet are closed, and the electromagnetic switch valve of the top steam pipe is opened. Steam enters the equipment from the bottom pipe, and the oil adsorbed by the activated carbon is blown into the top pipe, and then cooled by the condensation layer to become an oil-water mixture, and finally enters the collection tank. Finally, the oil is separated through other processes, and the previous steps are repeated. The utility model is more economical and environmentally friendly, saves materials, is safe to operate, and is easy to maintain, which meets actual use needs.

[0022] The present invention provides a thought and method. There are many methods and ways to implement the technical solution. The above is only the preferred implementation mode of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A device for recovering oily waste gas, characterized in that: The device comprises an equipment body (1), an air inlet pipe (2) is provided at the front end of the equipment body (1), an air outlet pipe (12) is provided at the rear end of the equipment body (1), a plurality of activated carbon adsorption layers (6) are provided in the equipment body (1), a spacing is left between adjacent activated carbon adsorption layers (6), a bottom steam pipe (7) is provided at the bottom of the equipment body (1), a top steam pipe (13) is provided at the top, a fan (3) is provided on the air inlet pipe (2), and a dehydration device (12) is provided on the air inlet pipe (2) behind the fan (3). A dehydration layer (4) is provided, an electromagnetic switch valve I (5) is provided on the air inlet pipe (2) at the rear of the dehydration layer (4), an electromagnetic switch valve II (14) is provided on the air outlet pipe (12), an electromagnetic switch valve III (8) is provided on the top steam pipe (13), a condensation layer (9) is provided on the top steam pipe (13) in front of the electromagnetic switch valve III (8), the front end of the top steam pipe (13) is connected to a collection tank (10), and a differential pressure transmitter (11) is provided between the air inlet pipe (2) and the air outlet pipe (12).

2. The device for recovering oily waste gas according to claim 1, characterized in that: The air outlet pipe (12) is arranged higher than the air inlet pipe (2).

3. The device for recovering oily waste gas according to claim 1, characterized in that: Four activated carbon adsorption layers (6) are arranged in the device body (1).

4. The device for recovering oily waste gas according to claim 1, characterized in that: A plurality of steam branch pipes (15) are provided on the bottom steam connecting pipe (7), and the steam branch pipes (15) are arranged below the activated carbon adsorption layer (6) and are arranged one by one.

5. The device for recovering oily waste gas according to claim 1, characterized in that: One end of the top steam pipe (13) is close to the gas outlet pipe (12).

6. The device for recovering oily waste gas according to claim 1, characterized in that: The differential pressure transmitter (11) is arranged between the inner sides of the electromagnetic switch valve I (5) and the electromagnetic switch valve II (14).

7. The device for recovering oily waste gas according to claim 1, characterized in that: The left and right sides of the equipment body (1) are semi-sloped structures and are asymmetrical.

8. The device for recovering oily waste gas according to claim 1, characterized in that: Columnar activated carbon particles with good oil absorption properties are placed in the activated carbon adsorption layer (6).

9. The device for recovering oily waste gas according to claim 1, characterized in that: Steam is transported from the bottom steam pipe (7) into the equipment body (1), and then flows out from the top steam pipe (13) to the collection tank (10).

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