CN219367652U

CN219367652U - VOC gas treatment equipment

Info

Publication number: CN219367652U
Application number: CN202320775752.XU
Authority: CN
Inventors: 郭进; 龚春城; 于万涛; 于通
Original assignee: Faw Toyota Motor Co ltd
Current assignee: Faw Toyota Motor Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-07-18
Anticipated expiration: 2033-04-10

Abstract

The utility model belongs to the technical field of VOC gas treatment, and discloses VOC gas treatment equipment; the device comprises a filtering device, a rotating wheel device, a combustion device and a chimney, wherein the filtering device, the rotating wheel device, the combustion device and the chimney are sequentially communicated, the filtering device can filter VOC gas discharged from a production line, the chimney can discharge the VOC gas, the combustion device is used for combusting the VOC gas, the filtering device comprises a filter element and a first spraying device, and cold water can be sprayed on the filter element by the first spraying device; solves the problem of property loss caused by ignition of the internal components of the filtering device by the high-temperature VOC gas.

Description

VOC gas treatment equipment

Technical Field

The utility model relates to the technical field of VOC gas treatment, in particular to VOC gas treatment equipment.

Background

In the automobile coating industry, volatile Organic Compounds (VOC) are released into the environment in the processes of electrophoresis, paint spraying, baking, wax injection and the like, and if the VOC gases are not treated in time, the VOC gases cause great harm to the surrounding environment and the health of operators.

The existing treatment method of the VOC gas in the automobile coating industry is to concentrate and burn the VOC gas by using VOC gas treatment equipment, and the highest temperature in the process is up to 800 ℃, so that safety problems often occur in the use process, such as fire in a filter chamber or a rotating wheel system in the VOC equipment, thus influencing the personal safety of operators and causing property loss.

Disclosure of Invention

The utility model aims to provide VOC gas treatment equipment which solves the problem of property loss caused by ignition of internal components of a filtering device by high-temperature VOC gas.

To achieve the purpose, the utility model adopts the following technical scheme: the utility model provides VOC gas treatment equipment which comprises a filtering device, a rotating wheel device, a combustion device and a chimney, wherein the filtering device, the rotating wheel device, the combustion device and the chimney are sequentially communicated, the filtering device can filter VOC gas discharged from a production line, the chimney can discharge the VOC gas, the combustion device is used for combusting the VOC gas, the filtering device comprises a filter element and a first spraying device, and the first spraying device can spray cold water on the filter element.

Preferably, the filter element comprises an M6-level core body, an F7-level core body, activated carbon and an F9-level core body, the first spraying device comprises 4 groups, and the front ends of the M6-level core body, the F7-level core body, the activated carbon and the F9-level core body are respectively provided with the first spraying device.

Preferably, the first spraying device comprises a first spray head and a first electric control system, wherein the first electric control system is used for collecting the VOC gas temperature, and when the VOC gas temperature is higher than 120 ℃, the first electric control system starts the first spray head to spray water;

the first electronic control system can collect the VOC gas temperature at Zhong Caiji per second for 5 to 10 seconds.

Preferably, the first spraying device further comprises a first alarm, and the first alarm can give out an audible and visual alarm when the temperature of the VOC gas is higher than 100 ℃.

Preferably, the filter device further comprises a support frame, the filter element is inserted into the support frame, and the support frame is made of glass fibers.

Preferably, the rotating wheel device comprises an adsorption zone and a cooling zone, wherein the adsorption zone is used for adsorbing organic matters in VOC gas, and the cooling zone is used for reducing the temperature of the VOC gas;

the adsorption area and the cooling area are additionally provided with second spraying devices, the second spraying devices comprise second spray heads and second electric control systems, and the second electric control systems can control the second spray heads to spray cold water into the adsorption area and the cooling area;

the second electric control system can collect VOC gas temperature at Zhong Caiji per second, the second electric control system can last to collect for 5 seconds to 10 seconds, and the second spray head sprays water when the VOC gas is higher than 120 ℃.

Preferably, the second spraying device further comprises a second alarm, and the second alarm can give out an audible and visual alarm when the temperature of the VOC gas is higher than 100 ℃.

Preferably, the rotating wheel device further comprises a desorption zone, the desorption zone is used for heating up and desorbing the VOC gas, a nitrogen protection device is additionally arranged in the desorption zone, and when the temperature of the VOC gas in the desorption zone is higher than 350 ℃, the nitrogen protection device injects nitrogen into the desorption zone;

the nitrogen protection device further comprises a third alarm, and when the temperature of VOC gas in the desorption area is higher than 350 ℃, the third alarm gives out audible and visual alarm.

Preferably, a fresh air valve is additionally arranged at the front end of the filtering device, baffles are additionally arranged at the inlet of the fresh air valve, the baffles are arranged in parallel and in a staggered mode, gaps are formed between the baffles, and the gaps are used for introducing outside air into the filtering device.

Preferably, the front end of the filtering device is provided with a switch valve, the VOC gas can pass through the switch valve to enter the filtering device, and when the VOC gas is higher than 80 ℃, the switch valve is closed.

The beneficial effects are that: according to the utility model, the first spraying device is additionally arranged on the filter element of the filtering device, so that the temperature of VOC gas entering the filtering device can be reduced, the heat in the VOC gas is absorbed by cold water of the first spraying device, and the probability of igniting the filtering device by the VOC gas is reduced.

Drawings

Fig. 1 is a simplified workflow diagram of the present utility model.

In the figure: 1-a filtration device; 11-M6 grade core; 12-F7 grade core; 13-active carbon; 14-F9 grade core; 15-a first spraying device; 2-a runner device; a 21-adsorption zone; 22-a cooling zone; 23-a desorption zone; 24-a second spraying device; 25-nitrogen protection device; 3-combustion means; 4-chimney; 5-a fresh air valve; 6-switching valve.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

On current automobile production line, all can be provided with the spray booth, the spray booth can produce VOC gas in the course of the work, if do not handle the direct VOC that will discharge, can cause serious pollution.

The VOC gas is led into VOC gas treatment equipment under the prior art, and can be subjected to innocent treatment through operations such as adsorption filtration and incineration, so that the VOC gas can be directly discharged into the air, and pollution can not be caused.

However, because the VOC gas needs to be incinerated, the temperature inside the VOC gas treatment equipment is always higher, the high-temperature VOC gas is easy to ignite a filter element with cotton material, namely a filter device, and meanwhile, the rotating wheel device can be burnt by the high-temperature VOC gas; in addition, the VOC gas discharged to the outside possibly has sparks due to insufficient combustion, the VOC gas treatment device is provided with a fresh air valve, and sparks easily enter the inside of the VOC gas treatment device from the fresh air valve so as to ignite the VOC gas treatment device.

In order to solve the above problems, the present utility model provides a VOC gas treatment apparatus, as shown in fig. 1, comprising a filter device 1, a wheel device 2, a combustion device 3 and a chimney 4, wherein the filter device 1, the wheel device 2, the combustion device 3 and the chimney 4 are sequentially connected, the filter device 1 can filter VOC gas discharged from a production line, the chimney 4 can discharge VOC gas, the combustion device 3 is used for burning VOC gas, the filter device 1 comprises a filter element and a first spray device 15, the first spray device 15 can spray cold water on the filter device 1, thereby reducing the temperature of the filter device 1, preventing the temperature from reaching an ignition point, and reducing the probability of fire.

Firstly, after VOC enters into the VOC gas treatment device from a spray booth, the VOC gas is directly filtered by the filtering device 1, the first spraying device 15 is additionally arranged on the filtering device 1, when the temperature sensor in the filtering device 1 detects that the temperature of the VOC gas in the filtering device 1 is higher than 120 ℃, the first spraying device 15 sprays cold water, the temperature of the filtering device 1 is reduced, and then the probability of fire occurrence is reduced.

The filter device 1 comprises different cores, wherein the filter core comprises an M6-level core 11, an F7-level core 12, active carbon 13 and an F9-level core 14, the first spraying devices 15 comprise 4 groups, the front ends of the M6-level core 11, the F7-level core 12, the active carbon 13 and the F9-level core 14 are respectively provided with the first spraying devices 15, the front end of each filter core is additionally provided with the spraying devices, and when the internal temperature of the filter device 1 is higher, each core can be directly cooled, so that the occurrence probability of fire is further reduced.

The first spraying device 15 comprises a first spray head and a first electric control system, wherein the first electric control system is used for collecting VOC gas temperature, when the VOC gas temperature is higher than 120 ℃, the first spray head is started by the first electric control system to spray water, the first electric control system can collect VOC gas temperature once per second Zhong Caiji, and the first electric control system can continuously collect VOC gas temperature for 5 seconds to 10 seconds.

In order to prevent the electronic control system in the filtering device 1 from collecting wrong data and starting the first spray head by mistake, the first electronic control system is set to continuously collect any time length between 5 seconds and 10 seconds, continuous temperature collection is carried out on VOC gas according to the method, and finally accurate VOC gas temperature in the filtering device 1 is obtained, when the VOC gas temperature in the time interval is always higher than 120 ℃, the first electronic control system can start the first spray head to cool the filtering device 1, the number of times of wrong starting is reduced, water sources are saved, and the working efficiency of VOC gas treatment equipment is improved.

The first spraying device 15 of the utility model also comprises a first alarm which can give out audible and visual alarm when the temperature of the VOC gas is higher than 100 ℃, and in order to remind workers of the high temperature state of the VOC gas in time, the first alarm is also arranged in the filtering device 1, and the alarm sound is generated when the temperature exceeds 100 ℃, so that the workers can process the VOC gas in time, and the probability of fire disaster of the VOC gas treatment equipment is reduced.

The filter device 1 is internally provided with the supporting frame, the filter element is inserted into the supporting frame, the supporting frame is made of glass fiber, the ignition point of the glass fiber is higher, and even if sparks are attached to the glass fiber, the sparks cannot be ignited, so that the probability of fire occurrence is reduced.

The rotating wheel device 2 comprises an adsorption area 21 and a cooling area 22, wherein the adsorption area 21 is used for adsorbing organic matters in VOC gas, and the cooling area 22 is used for reducing the temperature of the VOC gas; the adsorption area 21 and the cooling area 22 are additionally provided with a second spraying device 24, the second spraying device 24 comprises a second spray head and a second electric control system, and the second electric control system can control the second spray head to spray cold water into the adsorption area 21 and the cooling area 22; the second electronic control system can collect VOC gas temperature once per second Zhong Caiji, the second electronic control system can last to collect 5 seconds to 10 seconds, and the second spray head sprays water when the VOC gas is higher than 120 ℃.

Similarly, when the temperature of the VOC gas in the adsorption area 21 and the cooling area 22 in the rotating wheel device 2 is higher than 120 ℃, the second nozzle sprays water, in order to prevent the electronic control system in the rotating wheel device 2 from collecting wrong data and starting the second nozzle by mistake, the second electronic control system is set to continuously collect any time length between 5 seconds and 10 seconds, the VOC gas is continuously collected according to the method, and finally the accurate VOC gas temperature in the rotating wheel device 2 is obtained, when the VOC gas temperature in the time interval is always higher than 120 ℃, the second electronic control system starts the second nozzle to cool the rotating wheel device 2, the number of times of wrong starting is reduced, water sources are saved, and the working efficiency of the VOC gas treatment device is improved.

The second spraying device 24 of the present utility model also includes a second alarm that can sound and light when the VOC gas temperature is above 100 ℃.

The second spraying device 24 of the utility model also comprises a second alarm which can give out an audible and visual alarm when the temperature of the VOC gas is higher than 100 ℃, and in order to remind workers of the high temperature state of the VOC gas in time, the second alarm is also arranged in the rotating wheel device 2, and the alarm sound is generated when the temperature exceeds 100 ℃, so that the workers can process the VOC gas in time, and the probability of fire disaster of the VOC gas treatment equipment is reduced.

The rotating wheel device 2 of the utility model further comprises a desorption zone 23, the desorption zone 23 is used for heating and desorbing VOC gas, the desorption zone 23 is additionally provided with a nitrogen protection device 25, and when the temperature of the VOC gas in the desorption zone 23 is higher than 350 ℃, the nitrogen protection device 25 injects nitrogen into the desorption zone 23; the nitrogen protection device 25 further comprises a third alarm, and when the temperature of the VOC gas in the desorption zone 23 is higher than 350 ℃, the third alarm gives out audible and visual alarm.

The third alarm can send out audible and visual alarm when the VOC gas temperature is higher than 350 ℃, so that the working personnel can be timely treated in order to remind the working personnel that the VOC gas is in a high-temperature state, and the probability of fire disaster of the VOC gas treatment equipment is reduced.

The front end of the filtering device 1 is additionally provided with a fresh air valve 5, the inlet of the fresh air valve 5 is additionally provided with baffle plates which are arranged in parallel and in a staggered manner, and gaps are formed between the baffle plates and used for introducing external air into the filtering device 1.

The VOC gas discharged by the utility model may be provided with sparks, and the sparks can be attached to the baffle plates through the baffle plates which are arranged in a staggered way, so that the sparks are prevented from further entering the filter device 1 through the fresh air valve 5, and the sparks are prevented from igniting the filter device 1.

The front end of the filtering device 1 is provided with the switch valve 6, VOC gas can pass through the switch valve 6 to enter the filtering device 1, and when the VOC gas is higher than 80 ℃, the switch valve 6 is closed, so that the excessive temperature of the VOC gas entering the filtering device 1 can be prevented, and the risk of fire disaster is reduced.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The utility model provides a VOC gas treatment equipment, includes filter equipment (1), runner device (2), burner (3) and chimney (4), filter equipment (1) runner device (2) burner (3) with chimney (4) communicate in proper order, filter equipment (1) can filter the VOC gas of following production line exhaust, chimney (4) can with VOC gas discharge, burner (3) are used for burning VOC gas, a serial communication port, filter equipment (1) include filter core and first spray set (15), first spray set (15) can spray cold water on the filter core.

2. The VOC gas treatment apparatus according to claim 1, wherein the filter cartridge includes an M6 stage core (11), an F7 stage core (12), activated carbon (13), and an F9 stage core (14), the first spraying device (15) includes 4 groups, and front ends of the M6 stage core (11), the F7 stage core (12), the activated carbon (13), and the F9 stage core (14) are respectively installed with the first spraying device (15).

3. The VOC gas treatment apparatus of claim 2, wherein the first spray device (15) comprises a first spray head and a first electrical control system, the first electrical control system being configured to collect the VOC gas temperature, the first electrical control system opening the first spray head to spray water when the VOC gas is above 120 ℃;

4. A VOC gas treatment apparatus according to claim 3, characterized in that the first spraying device (15) further comprises a first alarm which can sound an audible and visual alarm when the VOC gas temperature is above 100 ℃.

5. The VOC gas treatment apparatus according to claim 1, wherein the filtering device (1) further comprises a support frame, the filter element is inserted into the support frame, and the support frame is made of glass fiber.

6. The VOC gas treatment apparatus according to claim 1, characterized in that the wheel arrangement (2) comprises an adsorption zone (21) and a cooling zone (22), the adsorption zone (21) being adapted to adsorb organic substances in the VOC gas, the cooling zone (22) being adapted to reduce the VOC gas temperature;

the adsorption area (21) and the cooling area (22) are additionally provided with a second spraying device (24), the second spraying device (24) comprises a second spray head and a second electric control system, and the second electric control system can control the second spray head to spray cold water into the adsorption area (21) and the cooling area (22);

7. The VOC gas treatment apparatus of claim 6, wherein the second spray device (24) further comprises a second alarm that can sound an audible and visual alarm when the VOC gas temperature is above 100 ℃.

8. The VOC gas treatment apparatus according to claim 6, characterized in that the wheel means (2) further comprises a desorption zone (23), the desorption zone (23) being adapted to desorb the VOC gas at elevated temperature, the desorption zone (23) being provided with nitrogen protection means (25), the nitrogen protection means (25) injecting nitrogen into the desorption zone (23) when the VOC gas temperature in the desorption zone (23) is higher than 350 ℃;

the nitrogen protection device (25) further comprises a third alarm, and when the temperature of VOC gas in the desorption area (23) is higher than 350 ℃, the third alarm gives out audible and visual alarm.

9. The VOC gas treatment apparatus according to claim 1, wherein a fresh air valve (5) is additionally installed at the front end of the filtering device (1), baffles are additionally installed at the inlet of the fresh air valve (5), the baffles are placed in parallel and staggered, and gaps are formed between the baffles and used for introducing external air into the filtering device (1).

10. The VOC gas treatment apparatus according to claim 1, characterized in that the front end of the filter device (1) is provided with an on-off valve (6), the VOC gas can enter the filter device (1) through the on-off valve (6), and when the VOC gas is higher than 80 ℃, the on-off valve (6) is closed.