CN213542509U

CN213542509U - VOC processing apparatus

Info

Publication number: CN213542509U
Application number: CN202022619511.5U
Authority: CN
Inventors: 陈丹; 罗乐; 程彬
Original assignee: Chongqing Huasu New Material Technology Research Institute Co ltd
Current assignee: Chongqing Huasu New Material Technology Research Institute Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-06-25
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a VOC treatment device, which comprises a combustion tank (1), a heat exchanger (2) and a first gas storage tank (31), wherein a gas guide pipe (211) is arranged in the heat exchanger (2), and the first gas storage tank (31) is communicated with a gas outlet pipe (24); the waste gas outlet pipe (22) is communicated with a three-way valve (221), one end of the three-way valve (221) is sequentially communicated with a cooling tank (4) and a second gas storage tank (41), the other end of the three-way valve is communicated with an exhaust pipe (223), and one end of the second gas storage tank (41) is sequentially communicated with a heat exchanger (2) and a first gas storage tank (31). The utility model discloses set up cooling tank, second gas holder and heater, be convenient for on the one hand to handle the remaining volatile gas in the waste gas, on the other hand then collects waste gas and preheats the combustion gas of burning tank, not only improves the exhaust efficiency, can also reduce the energy consumption, and mounting structure is simple, the simple operation.

Description

VOC processing apparatus

Technical Field

The utility model relates to an exhaust-gas treatment technical field, in particular to VOC processing apparatus.

Background

VOC is volatile organic compounds, and when reaching a certain concentration, the volatile organic compounds can cause symptoms such as headache, nausea, vomiting, hypodynamia and the like of people, even cause convulsion and coma in severe cases, damage the liver, the kidney, the brain and the nervous system, and cause serious consequences such as hypomnesis and the like.

The existing manufacturers generally adopt an activated carbon adsorption device to remove harmful gases in volatile waste gas, then reduce the concentration of the harmful gases to below a specified value through the dilution effect of large air volume, and then discharge the harmful gases at high altitude to reach the environmental protection discharge standard; the disadvantages of this system are as follows: harmful gases are adsorbed by activated carbon, the adsorption capacity of the activated carbon is limited, the activated carbon is easy to saturate, if the harmful gases are not replaced in time, the discharged gases cannot meet the requirement of environmental protection, and the waste gas treatment is not thorough, so that the activated carbon is required to be frequently replaced, the workload is large, the consumption of consumables is large, and the operating cost is high; secondly, because the adsorption capacity of the activated carbon is limited, a plurality of treatment systems are required to reduce the harmful gas solution of the waste gas to 0, so that the equipment investment cost is high, and the occupied area of the equipment is large.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a can provide combustion gas's preheating gas, and can realize reducing discharging's VOC processing apparatus.

The technical scheme of the utility model as follows:

a VOC treatment device comprises a combustion tank, wherein one end of the combustion tank is communicated with a heat exchanger through a waste gas inlet pipe, the other end of the combustion tank is communicated with a first gas storage tank through a first gas pipe, the heat exchanger is also communicated with a gas inlet pipe, a waste gas outlet pipe and a gas outlet pipe, the gas inlet pipe and the gas outlet pipe are connected and communicated through a gas guide pipe, and the first gas storage tank is communicated with the gas outlet pipe; the waste gas outlet pipe is communicated with a three-way valve, one end of the three-way valve is communicated with a cooling tank filled with cooling water, the other end of the three-way valve is communicated with an exhaust pipe, one end of the cooling tank is communicated with a second gas storage tank, one end of the second gas storage tank is provided with a heater and is communicated with a heat exchanger, a second gas pipe is further communicated and arranged between the heat exchanger and the first gas storage tank, a spray head is arranged at the upper end of the heat exchanger, a drain pipe is arranged at the lower end of the heat exchanger, the spray head is connected with a water.

By adopting the structure, when in use, the heat exchanger is internally provided with the air guide pipe for pumping in the fresh air, the high-temperature waste gas generated in the combustion chamber is discharged into the heat exchanger, the air guide pipe is heated by utilizing the high temperature of the waste gas, namely the fresh air is heated, the heated fresh air is conveyed to the first air storage tank and is discharged into the combustion chamber from the first air storage tank, thus, the air required by combustion is preheated to the reaction temperature, and the energy conservation and the consumption reduction are realized; in addition, the waste gas is preheated and then discharged through a waste gas outlet pipe to enter a cooling tank for cooling, the cooled waste gas is directly discharged into cooling water, the gas forms bubbles in the water and is cooled, the bubbles are broken, the cooled waste gas is stored in the cooling tank and then is input into a second gas storage tank for storage, when the second gas storage tank is full, the waste gas in a combustion tank is fully combusted, sundry volatile gas in the waste gas is greatly reduced, the high temperature of a heat exchanger is also stable, at the moment, the communication between a three-way valve and the cooling tank is closed, an exhaust pipe is opened on the three-way valve, and the waste gas is discharged; after the cooling water is used, the cooling water in the cooling tank is pumped out by a water pump and is sprayed into the heat exchanger through the spray head, dust, particles and the like in the air in the heat exchanger are deposited and cooled simultaneously, and water drops with the dust and the particles are discharged by a drain pipe.

When the device is started again for use, the heater is started firstly, the second gas storage tank is opened, the heated gas is conveyed to the first gas storage tank through the heat exchanger and the second gas conveying pipe and is discharged into the combustion chamber through the first gas storage tank, the combustion chamber is started, waste gas is put into the combustion chamber for combustion, the preheated air can reduce the combustion energy consumption, the combusted waste gas enters the heat exchanger again, at the moment, the second gas storage tank and the heater are closed, the VOC treatment can be realized according to the content, the structure is simple and compact, the waste gas can be treated, the waste gas can be secondarily utilized for preheating, the waste gas can be combusted again at the same time, and the emission reduction purpose of the VOC.

In order to reduce the amount of exhaust of impurities in the air, a filter layer is preferably provided in the exhaust gas intake pipe.

In order to improve the cooling efficiency of the exhaust gas, preferably, the cooling tank is provided with cooling water therein, and a first connection pipe is connected to one end of the three-way valve, the first connection pipe is inserted into the cooling tank, and an insertion end of the first connection pipe is inserted into the cooling water.

In order to facilitate installation and improve the heating efficiency of gas at the same time, preferably, a second connecting pipe is communicated between the second gas storage tank and the heat exchanger, and the second connecting pipe is also connected with a heater; and a first air valve is arranged between the heat exchanger and the heater at a position corresponding to the second connecting pipe.

In order to facilitate the control of the gas flow direction and avoid the leakage of waste gas, preferably, the second gas valve is arranged on the second gas conveying pipe.

In order to better perform the reaction treatment on the volatile gas in the exhaust gas, it is preferable that a nano-microbubble generator is provided in the cooling water in the cooling tank.

Has the advantages that: the utility model discloses set up cooling tank, second gas holder and heater, be convenient for on the one hand to handle the remaining volatile gas in the waste gas, on the other hand then collects waste gas and preheats the combustion gas of burning tank, not only improves the exhaust efficiency, can also reduce the energy consumption, and mounting structure is simple, the simple operation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1, the utility model comprises a combustion tank 1, one end of the combustion tank 1 is communicated with a heat exchanger 2 through a waste gas inlet pipe 21, the other end is communicated with a first gas storage tank 31 through a first gas transmission pipe, the heat exchanger 2 is also communicated with a gas inlet pipe 23, a waste gas outlet pipe 22 and a gas outlet pipe 24, the waste gas inlet pipe 21 and the waste gas outlet pipe 22 are connected and communicated through a gas guide pipe 211, and a filter layer 26 is arranged in the waste gas inlet pipe 21; the first air tank 31 is communicated with the air outlet pipe 24.

The waste gas outlet pipe 22 is communicated with a three-way valve 221, one end of the three-way valve 221 is communicated with the cooling tank 4 filled with cooling water, and the other end is communicated with an exhaust pipe 223; one end of the three-way valve 221 is connected with a first connecting pipe 51, the first connecting pipe 51 is inserted into the cooling tank 4, the penetrating end of the first connecting pipe 51 extends into the cooling water, and a nano micro-bubble generator 8 is arranged in the cooling water.

One end of the cooling tank 4 is communicated with a second air storage tank 41, a second connecting pipe 52 is communicated between the second air storage tank 41 and the heat exchanger 2, and the second connecting pipe 52 is also connected with a heater 6 communicated with the heat exchanger 2; a first air valve 71 is provided between the heat exchanger 2 and the heater 6 at a position corresponding to the second connection pipe 52.

A second air pipe 25 is communicated between the heat exchanger 2 and the first air storage tank 31, a second air valve 72 is arranged on the second air pipe 25, a spray head 27 is arranged at the upper end of the heat exchanger 2, a drain pipe 28 is arranged at the lower end of the heat exchanger, the spray head 27 is connected with a water pump, and the water pump is communicated with the cooling tank 4.

The utility model discloses a use method as follows:

as shown in fig. 1 (arrows in the figure indicate the gas flowing direction), when the combustion device is used, the heat exchanger 2 is internally provided with the air guide pipe 211 for sucking in new air, high-temperature waste gas generated in the combustion tank 1 is discharged into the heat exchanger 2, the air guide pipe 211 is heated by the high temperature of the waste gas, namely, the new air sucked in by the air inlet pipe 23 is heated, and the heated new air is conveyed to the first air storage tank 31 and is discharged into the combustion tank 4 from the first air storage tank 31, so that the air required by combustion is preheated to the reaction temperature, and energy conservation and consumption reduction are realized.

In addition, the waste gas is discharged through the waste gas outlet pipe 22 after being preheated and then enters the cooling tank 4 for cooling, the cooled waste gas is directly discharged into cooling water, the gas forms bubbles in the water and is cooled, meanwhile, nanometer micro-bubbles are generated through the nanometer micro-bubble generator 8, because the nanometer micro-bubbles are collapsed in a very short time due to cavitation effect, high temperature and high pressure are instantly generated, the waste gas bubbles can be broken, a large amount of hydrogen radicals and free radicals can be released, and the physical and chemical reactions of mechanical shearing, pyrolysis, free radical oxidation and supercritical water oxidation are generated with the captured organic gas, the effect of decomposing and removing VOC gas is further improved, the cooled waste gas is stored in the cooling tank 4 and then is input into the second gas storage tank 41 for storage through the second connecting pipe 52, when the second gas storage tank 41 is full, the waste gas in the combustion tank 4 is fully combusted in the process, the volatile gas of impurities in the waste gas is greatly reduced, the high temperature of the heat exchanger 2 is also stabilized, at the moment, the communication between the three-way valve 221 and the cooling tank 1 is closed, the exhaust pipe 223 is opened on the three-way valve 221, and the waste gas is discharged; after use, the cooling water in the cooling tank 4 is pumped out by a water pump, and is sprayed into the heat exchanger 2 through the spray head 27, so that dust, particles and the like in the air in the heat exchanger 2 are deposited and cooled at the same time, and water drops with the dust and the particles are discharged through a water discharge pipe 28.

When the device is started again for use, the three-way valve 221 is closed, the heater 6 is started, the second air storage tank 41 is opened, the heated gas is conveyed to the first air storage tank 31 through the heat exchanger 2 and the second air conveying pipe 25, and is discharged into the combustion tank 1 through the first air storage tank 31, the combustion tank 1 is started, waste gas is put into the combustion tank for combustion, the preheated air can reduce the combustion energy consumption, the combusted waste gas enters the heat exchanger 2, at the moment, the first air valve 71, the second air storage tank 41, the heater 6 and the second air valve 72 are closed, the air inlet pipe 23 is opened to draw in new air, the VOC treatment can be realized according to the above contents, the structure is simple and compact, the waste gas can be treated, the waste gas can be reused for preheating, and can be combusted again at the same time, and.

The utility model discloses do not describe the part unanimously with prior art, do not describe herein any more.

The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.

Claims

1. A VOC treatment device, characterized in that: the device comprises a combustion tank (1), wherein one end of the combustion tank (1) is communicated with a heat exchanger (2) through a waste gas inlet pipe (21), the other end of the combustion tank is communicated with a first gas storage tank (31) through a first gas conveying pipe (11), the heat exchanger (2) is also communicated with a gas inlet pipe (23), a waste gas outlet pipe (22) and a gas outlet pipe (24), the gas inlet pipe (23) and the gas outlet pipe (24) are communicated through a gas guide pipe (211), and the first gas storage tank (31) is communicated with the gas outlet pipe (24); the utility model discloses a cooling water system, including waste gas outlet pipe (22), exhaust gas inlet pipe (22) go up the intercommunication and have three-way valve (221), the one end of this three-way valve (221) and cooling tank (4) intercommunication that are equipped with cooling water, other end intercommunication has blast pipe (223), the one end and the second gas holder (41) intercommunication of cooling tank (4), the one end of second gas holder (41) is equipped with heater (6) and communicates with heat exchanger (2), still communicate between heat exchanger (2) and first gas holder (31) and be equipped with second gas-supply pipe (25), is equipped with shower nozzle (27) in the upper end of this heat exchanger (2), and the lower extreme is equipped with drain pipe (28), water pump is connected in shower nozzle (27), water pump and cooling tank (4.

2. A VOC treatment apparatus according to claim 1, wherein: a filter layer (26) is arranged in the exhaust gas inlet pipe (21).

3. A VOC treatment apparatus according to claim 1, wherein: be equipped with the cooling water in cooling tank (4) the one end of three-way valve (221) is connected with first connecting pipe (51), in cooling tank (4) are worn to establish by first connecting pipe (51), the end that penetrates of this first connecting pipe (51) stretches into in the cooling water.

4. A VOC treatment apparatus according to claim 1, wherein: a second connecting pipe (52) is communicated between the second air storage tank (41) and the heat exchanger (2), and the second connecting pipe (52) is also connected with a heater (6); a first air valve (71) is arranged between the heat exchanger (2) and the heater (6) at a position corresponding to the second connecting pipe (52).

5. A VOC treatment apparatus according to claim 1, wherein: a second air valve (72) is arranged on the second air delivery pipe (25).

6. A VOC treatment apparatus according to claim 1, wherein: a nanometer microbubble generator (8) is arranged in the cooling water.