VOCs treatment device based on activated carbon adsorption

Abstract

The utility model relates to a VOCs (Volatile Organic Compounds) treatment device based on activated carbon adsorption, which comprises scrubber tanks which are sequentially communicated along a gas circulation direction, a breather pipe is inserted into each scrubber tank from top to bottom, and a gas outlet of each breather pipe is immersed in a medium; and an adsorption tank. According to the utility model, the scrubber tank is arranged in front of the adsorption tank, so that gas enters the scrubber tank in advance before entering the adsorption tank, and the gas outlet of the breather pipe is immersed in a medium, so that the gas can be forced to be in contact with liquid, and large-particle impurities in the gas can be removed.

Description

Technical Field

[0001] The utility model belongs to the technical field of VOCs treatment, and particularly relates to a VOCs treatment device based on activated carbon adsorption. Background Art

[0002] VOCs refer to organic compounds with a saturated vapor pressure greater than 70Pa at room temperature and a boiling point below 260°C at normal pressure, or all volatile organic compounds with a vapor pressure greater than or equal to 10Pa at 20°C;

[0003] In the prior art, VOCs are generally treated by installing activated carbon in an adsorption tank for adsorption. However, due to the large number of large solid impurities on the gas, the activated carbon will be quickly blocked, and the adsorption tank needs to be replaced frequently by manual labor. Utility Model Content

[0004] In view of the problems of the prior art, the utility model provides a VOCs treatment device based on activated carbon adsorption, and the specific technical scheme is as follows:

[0005] A VOCs treatment device based on activated carbon adsorption, comprising:

[0006] A gas washing tank, wherein a vent pipe is inserted from top to bottom of the gas washing tank, and the gas outlet of the vent pipe is immersed in the medium;

[0007] And adsorption tank.

[0008] As a further technical solution of the utility model, the scrubber tank is connected to the adsorption tank via an air supply pipe, and the lower edge of the connection between the air supply pipe and the scrubber tank is higher than the liquid level in the scrubber tank.

[0009] As a further technical solution of the utility model, the side end of the gas washing tank is provided with a water inlet pipe, and a valve is installed on the water inlet pipe to control opening and closing, and the lower edge of the water inlet pipe is higher than the air outlet of the ventilation pipe.

[0010] As a further technical solution of the utility model, a water level gauge is installed on the outer surface of the scrubber tank.

[0011] As a further technical solution of the utility model, an air pump is installed on the top of the air washing tank, and the air outlet of the air pump is connected to the air inlet of the ventilation pipe. The air inlet of the air pump is connected to the air inlet pipe, and the other end of the air inlet pipe is connected to the air source.

[0012] As a further technical solution of the utility model, an activated carbon layer is installed in the adsorption tank, and the activated carbon layer divides the adsorption tank into two cavities, one of which is connected to the gas pipe, and an exhaust pipe is provided outside the adsorption tank, and the exhaust pipe is connected to the other cavity.

[0013] As a further technical solution of the utility model, a heater is installed on the adsorption tank, and a heating tube inserted into the adsorption tank is installed on the heater, and a touch screen is provided on the surface of the heater.

[0014] As a further technical solution of the utility model, it also includes a base, the scrubber tank and the adsorption tank are both installed on the base, a support column is installed on the side of the base away from the scrubber tank, and an anti-slip pad is connected to the end of the support column away from the base.

[0015] The beneficial effects of the utility model are as follows:

[0016] (1) In the present application, a scrubber tank is installed before the adsorption tank so that the gas enters the scrubber tank before entering the adsorption tank. Since the gas outlet of the vent pipe is immersed in the medium, the gas is forced to contact the liquid, thereby removing large particle impurities in the gas and extending the service life of the activated carbon layer.

[0017] (2) In the present application, by installing a heating pipe in the adsorption tank, the ambient temperature in the adsorption tank can be increased to ensure that the exhaust gas is in a gaseous state. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a VOCs treatment device based on activated carbon adsorption in the utility model;

[0019] Figure 2 This is a front view of a VOCs treatment device based on activated carbon adsorption according to the utility model;

[0020] Figure 3 This is a right view of a VOCs treatment device based on activated carbon adsorption according to the utility model;

[0021] Figure 4 This is a top view of a VOCs treatment device based on activated carbon adsorption in the utility model;

[0022] Figure 5 for Figure 3 Sectional view at AA.

[0023] Legend:

[0024] 100, base; 101, support column; 102, anti-slip mat; 200, gas washing tank; 201, water inlet pipe; 202, valve; 203, water level gauge; 300, air pump; 301, air inlet pipe; 302, ventilation pipe; 400, adsorption tank; 401, air supply pipe; 402, activated carbon layer; 403, exhaust pipe; 500, heater; 501, heating tube; 502, touch screen. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution of the present utility model will be clearly and completely described below in conjunction with the embodiments.

[0026] The utility model is a VOCs treatment device based on activated carbon adsorption, including a base 100, a scrubber 200, an air pump 300, an adsorption tank 400, and a heater 500. The base 100 includes a base body and a support column 101, one end of each support column 101 is connected to the lower surface of the base body, the scrubber 200 includes a scrubber body and a water level gauge 203, and the scrubber body is installed on the upper surface of the base body. Specifically, the upper surface of the scrubber 200 can be freely disassembled, and the water level gauge 203 is arranged on a surface of the scrubber body. The air pump 300 includes an air pump body and an air inlet pipe 301, and the air pump body is installed on the upper surface of the scrubber body. One end of the tube 301 is arranged on a surface of the air pump body, the adsorption tank 400 includes an adsorption tank body and an air supply pipe 401, the lower surface of the adsorption tank body is connected to the upper surface of the base body, specifically, the upper surface of the adsorption tank 400 can be freely disassembled, one end of the air supply pipe 401 is connected to the other surface of the washing tank body, and the other end of the air supply pipe 401 is connected to a surface of the adsorption tank body, the heater 500 includes a heater body and a heating pipe 501, the heater body is arranged on the upper surface of the adsorption tank body, a plurality of second through holes are provided on the upper surface of the adsorption tank body, the peripheral side of the heating pipe 501 is adapted to the inside of the second through hole, and one end of the heating pipe 501 is connected to the inside of the heater body.

[0027] See also Figure 1 The base 100 also includes an anti-skid pad 102, which is arranged at the other end of the support column 101. By arranging the anti-skid pad 102, the purpose of increasing the friction of the lower surface of the support column 101 is achieved.

[0028] See also Figure 2 The washing tank 200 further includes a water inlet pipe 201, one end of which is connected to the other surface of the washing tank body. By providing the water inlet pipe 201, the purpose of adding water to the inside of the washing tank 200 is achieved.

[0029] See also Figure 2 The washing tank 200 further includes a valve 202, which is arranged on the side of the water inlet pipe 201. Specifically, the valve 202 is of model D971X-16Q. By setting the valve 202, the flow rate of the water inlet pipe 201 is controlled.

[0030] See also Figure 5 The air pump 300 also includes a ventilation pipe 302. A first through hole is provided on the upper surface of the air washing tank body. The side surface of the ventilation pipe 302 is adapted to the inside of the first through hole. One end of the ventilation pipe 302 is connected to the inside of the air pump body. By setting the ventilation pipe 302, the purpose of quickly discharging the exhaust gas into the water inside the air washing tank 200 is achieved.

[0031] See also Figure 5 The adsorption tank 400 also includes an activated carbon layer 402 and an exhaust pipe 403. The activated carbon layer 402 is arranged inside the adsorption tank body. One end of the exhaust pipe 403 is connected to the other surface of the adsorption tank body. By setting the activated carbon layer 402, the purpose of adsorbing exhaust gas substances is achieved.

[0032] See also Figure 2 The heater 500 further includes a touch screen 502, which is mounted on a surface of the heater body. Specifically, the touch screen 502 is of model ET050. By setting the touch screen 502, the purpose of conveniently controlling the heater 500 system is achieved.

[0033] When in use, the device is placed horizontally on a plane, connected to the waste gas storage tank through the air inlet pipe 301, connected to the water source through the water inlet pipe 201, and the valve 202 is opened to inject water into the washing tank 200. The water content inside the washing tank 200 is observed according to the water level gauge 203. After the water injection is completed, the waste gas is extracted by the air pump 300 and discharged into the water below the water surface through the ventilation pipe 302 to achieve the cleaning effect. As the internal gas is filled, the additional gas enters the adsorption tank 400 through the gas pipe 401, and the other impurities in the waste gas are adsorbed and treated by the activated carbon layer 402 and then discharged through the exhaust pipe 403. The other end of the exhaust pipe 403 is connected to an additional exhaust valve for auxiliary discharge. During adsorption, the user can control the heater 500 through the touch screen 502 to adjust the internal temperature of the adsorption tank 400 according to the type of waste gas adsorbed to ensure the gas is in a gaseous state.

[0034] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. A VOCs treatment device based on activated carbon adsorption, characterized in that: Including those connected in sequence along the gas flow direction: A scrubbing tank (200), wherein a vent pipe (302) is inserted from top to bottom of the scrubbing tank (200), and the gas outlet of the vent pipe (302) is immersed in the medium; and an adsorption tank (400).

2. A VOCs treatment device based on activated carbon adsorption according to claim 1, characterized in that: The scrubbing tank (200) and the adsorption tank (400) are connected via an air delivery pipe (401), and the lower edge of the connection between the air delivery pipe (401) and the scrubbing tank (200) is higher than the liquid level in the scrubbing tank (200).

3. A VOCs treatment device based on activated carbon adsorption according to claim 2, characterized in that: The side end of the gas washing tank (200) is provided with a water inlet pipe (201), and a valve (202) is installed on the water inlet pipe (201) to control opening and closing, and the lower edge of the water inlet pipe (201) is higher than the air outlet of the ventilation pipe (302).

4. A VOCs treatment device based on activated carbon adsorption according to claim 3, characterized in that: A water level gauge (203) is installed on the outer surface of the gas washing tank (200).

5. The VOCs treatment device based on activated carbon adsorption according to claim 3 is characterized in that: An air pump (300) is installed on the top of the air washing tank (200), and the air outlet of the air pump (300) is connected to the air inlet of the ventilation pipe (302). The air inlet of the air pump (300) is connected to the air inlet pipe (301), and the other end of the air inlet pipe (301) is connected to the air source.

6. The VOCs treatment device based on activated carbon adsorption according to claim 2 is characterized in that: An activated carbon layer (402) is installed in the adsorption tank (400), and the activated carbon layer (402) divides the adsorption tank (400) into two cavities, one of which is connected to the gas supply pipe (401), and an exhaust pipe (403) is provided outside the adsorption tank (400), and the exhaust pipe (403) is connected to the other cavity.

7. The VOCs treatment device based on activated carbon adsorption according to claim 3 is characterized in that: The adsorption tank (400) is provided with a heater (500), and the heater (500) is provided with a heating tube (501) inserted into the adsorption tank (400), and a touch screen (502) is provided on the surface of the heater (500).

8. The VOCs treatment device based on activated carbon adsorption according to claim 3 is characterized in that: The invention also comprises a base (100), the scrubber tank (200) and the adsorption tank (400) are both installed on the base (100), a support column (101) is installed on the side of the base (100) facing away from the scrubber tank (200), and an anti-skid pad (102) is connected to one end of the support column (101) facing away from the base (100).

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