CN212584971U

CN212584971U - A purifier for VOC waste gas

Info

Publication number: CN212584971U
Application number: CN202021252417.4U
Authority: CN
Inventors: 王昕�; 张国灿; 张国栋
Original assignee: Yunnan Jinlan Environmental Protection Technology Co ltd
Current assignee: Yunnan Jinlan Environmental Protection Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-02-23
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to a purifier technical field specifically is a purifier for VOC waste gas, comprising a base plate, the top of bottom plate is provided with burns the case, and burns one side of case and be equipped with the purifying box, it is connected with the gap bridge to burn between one side upper end of case and the purifying box, the top of burning the case is connected with first connecting pipe, and the end of first connecting pipe has cup jointed the second valve, the tee bend has been cup jointed to the one end of second valve, tee bend one side is connected with the second connecting pipe. This device adopts the mode that burns the method and the adsorption method combines to purify VOC, this mode is at first through burning harmful combustible component in the waste gas oxidation generation CO2 and H2O, purifies the absorption to tail gas afterwards, and the purification absorption is to utilize porous material to carry out adsorption treatment to the waste gas that contains VOC to reach the purpose of eliminating harmful substance, this device is through the mode of combination in order to reach thoroughly to waste gas purification, and equipment is simple, and the treatment effeciency is high.

Description

A purifier for VOC waste gas

Technical Field

The utility model relates to a purifier technical field specifically is a purifier for VOC waste gas.

Background

The VOC generally refers to volatile organic compounds, which are usually present in sheet metal spray painting and chemical plants, mainly include hydrocarbons, alcohols, ethers, aldehydes, phenols, lipids, fatty acids, amines, organic halogen derivatives, and the like, and have the characteristics of wide pollution range, toxicity, malodor, large emission and low concentration.

In the prior art, the VOC is usually treated by adopting a plasma method and a photolysis method, wherein the plasma method generates a large amount of high-energy electrons in a high-voltage discharge mode, so that chemical bonds in the VOC are destroyed, and CO2 and H2O are finally generated; the main device is a plasma reactor; the equipment and the device are simple, but the energy consumption is high, the degradation rate is low, and a large amount of intermediate pollutants are generated, and the light decomposition method is to decompose organic matters under the light irradiation of a certain wavelength or by utilizing the photocatalysis characteristic of certain catalysts; due to the limitation of materials, most of high-energy photons are absorbed by the lamp tube materials, and the high-energy photons penetrating through the glass are limited, so that the energy efficiency utilization rate is low, the removal efficiency is general, and a large amount of intermediate pollutants are generated. Accordingly, those skilled in the art have provided a purification apparatus for VOC exhaust gas to solve the problems set forth in the background art as described above.

Disclosure of Invention

An object of the utility model is to provide a purifier for VOC waste gas to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a purifier for VOC waste gas, includes the bottom plate, the top of bottom plate is provided with burns the case, and burns one side of case and be equipped with the purifying box, it is connected with the gap bridge between one side upper end of case and the purifying box to burn, the top of burning the case is connected with first connecting pipe, and the end of first connecting pipe has cup jointed the second valve, the tee bend has been cup jointed to the one end of second valve, three-way one side is connected with the second connecting pipe, the end of second connecting pipe has cup jointed first valve, and the bottom of first valve is connected with the fan, the input and the purifying box of fan link to each other, one side of fan is equipped with the crawler shell.

As a further aspect of the present invention: the crawler belt shell is internally provided with a belt and connected with a fan blade rotating shaft of the fan, and the other end of the belt in the crawler belt shell is externally connected with a driver.

As a further aspect of the present invention: burn the inside bottom of case and be equipped with the kitchen range, and the kitchen range bottom is connected with the liquefied gas pipe, the below of kitchen range is equipped with some firearm, and the tip and the kitchen range of some firearm are close to.

As a further aspect of the present invention: the inside of burning case just is located the kitchen range top and is equipped with the catalysis chamber, and just one side in catalysis chamber is equipped with the catalyst pipe, the fretwork hole has been seted up on the catalysis chamber.

As a further aspect of the present invention: one side that is close to the gap bridge on the purifying box is equipped with water-soluble case, and top one side of water-soluble case is connected with bleed pipe, and bleed pipe is the perpendicular setting.

As a further aspect of the present invention: the inside water-soluble case that just is located of purifying box one side is equipped with first adsorption tank, and the water-soluble case was kept away from to first adsorption tank one side upper end and seted up the intercommunication mouth, the bleed pipe is pegged graft in first adsorption tank.

As a further aspect of the present invention: the inside tail end of purifying box is equipped with the second and adsorbs the case, and the top welding of second adsorption case has the chimney, one side of second adsorption case is connected with the input of fan.

Compared with the prior art, the beneficial effects of the utility model are that: the device purifies VOC by combining an incineration method and an adsorption method, the method firstly oxidizes harmful combustible components in the waste gas to generate CO2 and H2O by combustion, then purifies and adsorbs the tail gas, the purification and adsorption are to use porous materials to adsorb the waste gas containing VOC, thereby achieving the purpose of eliminating harmful substances, the device can thoroughly purify the waste gas by a combined method, has simple equipment and high treatment efficiency, can simultaneously avoid the low degradation efficiency in a plasma method and produce a large amount of intermediate pollutants, and in a photolysis method, because of the limitation of the materials, most of high-energy photons are absorbed by lamp tube materials, the high-energy photons penetrating through glass are limited, so the energy efficiency utilization rate is low, the removal efficiency is general, and the defect of producing a large amount of intermediate pollutants is overcome, meanwhile, the device can also filter carbon dioxide and inhalable particles in the tail gas by a water-soluble method, carbon dioxide contacts water to form carbonic acid, and the inhalable particles dissolve directly into the water and precipitate.

Drawings

Fig. 1 is a schematic view of a purification apparatus for VOC exhaust gas;

FIG. 2 is a schematic view showing the inside of an incineration tank in a purification apparatus for VOC exhaust gas;

fig. 3 is a schematic view of the inside of a purification tank in a purification apparatus for VOC exhaust gas.

In the figure: 1. a first connecting pipe; 2. an incineration box; 3. a base plate; 4. bridging; 5. a purification box; 6. a track shell; 7. a fan; 8. a first valve; 9. a second connecting pipe; 10. a tee joint; 11. a second valve; 12. a chimney; 13. a catalyst tube; 14. a liquefied gas pipe; 15. an igniter; 16. a cooking range; 17. a water dissolving tank; 18. a bleed pipe; 19. a first adsorption tank; 20. a second adsorption tank; 21. a catalytic cavity.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the present invention: the utility model provides a purifier for VOC waste gas, comprising a base plate 3, the top of bottom plate 3 is provided with burns case 2, and the one side of burning case 2 is equipped with purifying box 5, it is connected with gap bridge 4 to burn between one side upper end of case 2 and the purifying box 5, the top of burning case 2 is connected with first connecting pipe 1, and the end of first connecting pipe 1 has cup jointed second valve 11, tee bend 10 has been cup jointed to the one end of second valve 11, one side of tee bend 10 is connected with second connecting pipe 9, first valve 8 has been cup jointed to the end of second connecting pipe 9, the bottom of first valve 8 is connected with fan 7, the input and the purifying box 5 of fan 7 link to each other, one side of fan 7 is equipped with crawler shell 6.

In fig. 2, a belt is arranged in the track shell 6 and connected with a fan blade rotating shaft of the fan 7, the other end of the belt in the track shell 6 is externally connected with a driver, and the power part drives the belt to rotate, so that the tail gas after the equipment is treated by the fan 7 is extracted, and the oxygen required by combustion is provided for the incineration box 2.

In fig. 2, the bottom end of the inside of the incineration tank 2 is provided with a cooking range 16, the bottom end of the cooking range 16 is connected with a liquefied gas pipe 14, an igniter 15 is arranged below the cooking range 16, the end of the igniter 15 is close to the cooking range 16, the arrangement is a heating and igniting mechanism of the incineration tank 2, fuel is supplied through the liquefied gas pipe 14, then the fuel is differentiated through the cooking range 16, and finally the fuel is ignited by using the igniter, so that the incineration tank 2 is heated.

In fig. 2, the inside of the incineration box 2 is provided with a catalytic cavity 21 above the cooking range 16, one side of the catalytic cavity 21 is provided with a catalyst tube 13, a hollow hole is formed in the catalytic cavity 21, the incineration box 2 adopts catalytic combustion, the catalytic combustion has the advantage of reducing reaction conditions, the original high-temperature reaction can be changed into medium-temperature reaction, and the catalytic combustion needs to be in direct contact with open flame, so the hollow hole is formed in the catalytic cavity 21.

In fig. 3, a water-soluble tank 17 is arranged on one side of the purification tank 5 close to the gap bridge 4, an air-entraining pipe 18 is connected to one side of the top of the water-soluble tank 17, the air-entraining pipe 18 is vertically arranged, carbon dioxide and insufficiently combusted VOC in the combusted tail gas enter the water-soluble tank 17, wherein the carbon dioxide and water react to generate carbonic acid and are precipitated along with some particle impurities, and the VOC enters a first adsorption tank 19 through the air-entraining pipe 18.

In fig. 3, a first adsorption tank 19 is disposed inside the purification tank 5 and on one side of the water-soluble tank 17, a communication port is formed in the upper end of the first adsorption tank 19 on the side away from the water-soluble tank 17, the air-entraining pipe 18 is inserted into the first adsorption tank 19, and the first adsorption tank 19 adsorbs the VOC-containing exhaust gas by using a porous material, so that the purpose of eliminating harmful substances is achieved.

In fig. 3, the inside tail end of purifying box 5 is equipped with second adsorption tank 20, and the top welding of second adsorption tank 20 has chimney 12, and one side of second adsorption tank 20 is connected with the input of fan 7, and the effect of second adsorption tank 20 is the same with first adsorption tank 19, and a small amount of tail gas can be adsorbed through fan 7, and a large amount of tail gas can directly open chimney 12 and discharge.

The utility model discloses a theory of operation is: VOC enters a first connecting pipe 1 through a tee joint 10 and enters an incineration box 2 along the first connecting pipe 1, fuel is provided through a liquefied gas pipe 14 and then is differentiated through a cooking range 16 and finally is ignited through an igniter so as to heat the incineration box 2, a certain amount of catalyst is added into a catalyst pipe 13 to reduce reaction conditions during combustion, carbon dioxide and insufficiently combusted VOC in the combusted tail gas enter a water-soluble box 17, the carbon dioxide and water react to generate carbonic acid and precipitate along with some particle impurities, the VOC enters a first adsorption box 19 through an air entraining pipe 18, the first adsorption box 19 and a second adsorption box 20 carry out adsorption treatment on the waste gas containing the VOC by utilizing porous materials so as to achieve the purpose of eliminating harmful substances, and finally, a belt is driven by a power part to rotate so that a fan 7 (the model is 130FLJ1-380V/120W) works to extract the tail gas after equipment treatment, and providing oxygen required for combustion for the incineration chamber 2, wherein a small amount of tail gas can be absorbed by the fan 7, and a large amount of tail gas can be directly discharged by opening the chimney 12.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A purification device for VOC exhaust gas, comprising a base plate (3), characterized in that: the utility model discloses a fuel injection device, including bottom plate (3), one side of just burning case (2) is provided with burns case (2), and burns one side of case (2) and be equipped with purifying box (5), burn and be connected with between one side upper end of case (2) and purifying box (5) and cross bridge (4), the top of burning case (2) is connected with first connecting pipe (1), and the end of first connecting pipe (1) has cup jointed second valve (11), tee bend (10) have been cup jointed to the one end of second valve (11), one side of tee bend (10) is connected with second connecting pipe (9), first valve (8) have been cup jointed to the end of second connecting pipe (9), and the bottom of first valve (8) is connected with fan (7), the input and purifying box (5) of fan (7) link to each other, one side of fan (7) is equipped with crawler shell (6).

2. The purification device for VOC waste gas as claimed in claim 1, wherein a belt is arranged in the crawler belt housing (6) and connected with a rotating shaft of a fan blade of the fan (7), and a driver is externally connected to the other end of the belt in the crawler belt housing (6).

3. The purification apparatus for VOC exhaust gas as claimed in claim 1, wherein a burner (16) is provided at the bottom end of the inside of the incineration tank (2), a liquefied gas pipe (14) is connected to the bottom end of the burner (16), an igniter (15) is provided below the burner (16), and the end of the igniter (15) is close to the burner (16).

4. The purification device for VOC exhaust gas as claimed in claim 3, wherein a catalytic cavity (21) is arranged inside the incineration tank (2) and above the cooking range (16), and a catalyst tube (13) is arranged on one side of the catalytic cavity (21), and the catalytic cavity (21) is provided with a hollowed hole.

5. The purification device for VOC waste gas as claimed in claim 1, wherein a water-soluble tank (17) is arranged on one side of the purification tank (5) close to the gap bridge (4), and a gas-introducing pipe (18) is connected to one side of the top of the water-soluble tank (17), and the gas-introducing pipe (18) is vertically arranged.

6. The purification device for VOC waste gas as claimed in claim 5, wherein a first adsorption tank (19) is arranged inside the purification tank (5) and on one side of the water-soluble tank (17), a communication port is formed in the upper end of one side, away from the water-soluble tank (17), of the first adsorption tank (19), and the air-entraining pipe (18) is inserted into the first adsorption tank (19).

7. The purification device for VOC waste gas as claimed in claim 1, wherein the interior tail end of the purification box (5) is provided with a second adsorption box (20), the top of the second adsorption box (20) is welded with a chimney (12), and one side of the second adsorption box (20) is connected with the input end of the fan (7).