CN211799797U

CN211799797U - Gaseous integration processing apparatus of VOC

Info

Publication number: CN211799797U
Application number: CN201922429570.3U
Authority: CN
Inventors: 杨锋; 涂静
Original assignee: Nanjing Defeng Environmental Protection Technology Co ltd
Current assignee: Nanjing Defeng Environmental Protection Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-30
Anticipated expiration: 2029-12-30

Abstract

An integrated VOC gas treatment device comprising: spray set, defogging device, filter equipment and drive arrangement, through the pipe connection between each device, filter equipment includes potassium permanganate active alumina filter module, active carbon filter module and mixed material filter module. The initial volatile organic compounds are sprayed and purified through the spraying device, and then are filtered and purified through the filtering device after being demisted by the demisting device, and finally are discharged through the driving device. The processing device has the advantages of compact integral structure, small volume and simple flow direction of the air channel, avoids the reduction of the air speed, can effectively filter and purify VOC gas in the air, and has great practical value and popularization value.

Description

Gaseous integration processing apparatus of VOC

Technical Field

The invention relates to the technical field of gas purification, in particular to a VOC gas integrated treatment device.

Background

VOCs are acronyms for volatile organic compounds (volatile organic compounds). In actual production, the VOC gas is mainly volatile gas generated in processing due to the fact that products need to be sprayed, and mainly comes from the use of paints, isobutanol, white water prevention water and boiled water containing VOCs raw and auxiliary materials in a spraying process. The organic waste gas for painting is mainly generated and mixed with paint, painted and dried. Further, the main components of the paint are acrylic resin, ethyl acetate, butyl acetate, cellulose, assistant B and pigment; the main component of the boiled oil water is isophorone; the main component of the white water preventing agent is 2-butoxyethanol (ethylene glycol butyl ether), which can cause serious harm to human health.

The invention discloses a VOC waste gas treatment system, which comprises a fan for connecting a VOC waste gas source, a filler spray tower device connected with an air outlet of the fan, an ultraviolet activated carbon integrated device connected with an air outlet of the filler spray tower device and a purified gas discharge port connected with the ultraviolet activated carbon integrated device in sequence along a waste gas treatment process; the efficient waste gas treatment is realized through the combined design of the filler spray tower and the ultraviolet activated carbon integrated purifier; firstly, carrying out spray washing by a filler spray tower, well dissolving organic waste gas in a purifying solution by utilizing a polyhedral hollow sphere, and efficiently sharing the organic waste gas with gas water in a defogging layer, thus obtaining gas after primary treatment by the filler spray tower; after the gas after the primary treatment is treated by an ultraviolet activated carbon integrated purifier, the obtained clean gas reaching the standard is discharged; it has reduced the volume of device, exhaust-gas treatment is efficient, practiced thrift the purification cost, and has guaranteed to purify effect up to standard.

Research and analysis find that the existing waste gas treatment process has the defects that the activated carbon adsorbs VOCs and is also stored in the gaps of the activated carbon, and the adsorbed VOCs can be desorbed by blowing clean air. With the improvement of the emission standard, enterprises need to gradually increase the activated carbon layer according to needs, the replacement frequency of the activated carbon is gradually increased, and correspondingly, the waste gas treatment cost is increased by several times or even tens of times. These undoubtedly become obstacles on the way of popularizing, popularizing and responding to environmental protection. Meanwhile, after filtration, the filter material can generate a part of missing particles, which can cause secondary pollution and affect the purification effect.

Disclosure of Invention

The utility model aims at providing a novel gaseous integration processing apparatus of VOC to the above-mentioned problem that exists among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme:

an integrated VOC gas treatment device comprising: the device comprises a spraying device, a demisting device, a filtering device and a driving device which are sequentially communicated according to the gas flow direction, wherein an air inlet is formed in one side wall of the spraying device, and an air outlet is formed in one side wall of the driving device; the spraying device is internally provided with a plurality of spraying heads, the filtering device comprises a plurality of filtering modules which are vertically arranged side by side, and a gap is reserved between every two adjacent filtering modules.

Preferably, the top of the spraying device is provided with a purified liquid storage tank, and the bottom of the spraying device is provided with a purified liquid collecting tank for collecting used purified liquid.

Preferably, the bottom of the purified liquid storage pool is provided with a plurality of spray headers communicated with the purified liquid storage pool, and the bottom of the purified liquid storage pool is paved with a layer of multi-surface hollow spheres. The used purifying liquid is filtered by the polyhedral hollow ball and then sprayed by the spray header.

More preferably, the purified liquid collecting tank is connected with a water pump, and the water pump is connected with the purified liquid storage tank through a connecting pipe. The used purifying liquid is collected and conveyed to the purifying liquid storage pool through the water pump, so that the recycling of the purifying liquid is realized.

Still preferably, a metal filter screen is arranged at the joint of the connecting pipe of the water pump and the purified liquid storage tank, so that micro particles in the used purified liquid can be filtered.

Further preferably, the demister is a demister, and can collect mist particles and slurry droplets in the gas to be transferred and perform a first filtration.

Still further preferably, the aforementioned filter module comprises at least: potassium permanganate active alumina filters module, active carbon filters module and mixed material and filters module.

Still further preferably, both sides of the filtering module are provided with filtering screen frames. Play the effect of fixed stay to the filtering material of filtering module, can also omit the granule to tiny granule and filtering material in the VOC gas and filter.

And the driving device comprises a fan and a motor for driving the fan, and an air outlet of the fan is arranged corresponding to the air outlet. And discharging the treated gas through the air outlet.

The utility model discloses an useful part lies in:

(1) the utility model discloses a VOC gas integrated processing device, the purifying liquid storage tank of the spraying device and the junction of the air pump connecting pipe are provided with a plurality of layers of water pump filter screens, can filter out tiny particles in the used purifying liquid, and can not be transmitted to the purifying liquid storage tank, thereby avoiding secondary pollution;

(2) the utility model discloses a gaseous integration processing apparatus of VOC, potassium permanganate active alumina filter module, active carbon filter module and mixed material filter module's both sides respectively are provided with the filter screen frame. The filter module can play a role in fixing and supporting the filter material of the filter module, and can filter micro particles in VOC gas and filter missing particles of the filter material, so that the filtering and purifying effects are improved;

(3) the utility model realizes the high-efficiency VOC gas treatment by the combined design of the spraying device, the demisting device, the filtering device and the driving device; spray the washing through spray set earlier, utilize the effect of the multiaspect clean shot of purifying liquid storage pool bottom, realize organic waste gas well and dissolve in the purifying liquid, the high-efficient sharing of gas water of deuterogamying defogging layer, so, the gas after obtaining preliminary treatment through the filler spray column passes through filter equipment's processing back, obtains clean gas. Has the advantages of good effect, high efficiency, lower operating cost and being beneficial to popularization.

Drawings

FIG. 1 is a schematic diagram of an intelligent air purification system for volatile organic compounds in air according to the present invention;

FIG. 2 is a schematic structural view of one embodiment of the spray assembly of the present invention;

fig. 3 is a schematic structural view of one embodiment of the filter device of the present invention.

The meaning of the reference symbols in the figures:

1-a spraying device, 2-a water pump, 3-a demisting device, 4-a filtering device, 5-a driving device, 6-an air inlet, 7-a spraying head, 8-a purified liquid storage pool, 9-a potassium permanganate activated alumina filtering module, 10-an activated carbon filtering module, 11-a mixed material filtering module, 12-a fan, 13-a fan speed regulating button, 14-an air outlet, 15-a connecting pipe, 18-a water pump filtering net and 19-a filtering net frame.

Detailed Description

The invention will be further described with reference to the following drawings and specific examples:

in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The intelligent purification system suitable for volatile organic compounds in air of the present embodiment is shown in fig. 1 to 3, and is composed of a spraying device 1, a defogging device 3, a filtering device 4, and a driving device 5, wherein an air inlet 6 is arranged on one side wall of the spraying device 1, and an air outlet 14 is formed on one side wall of the driving device 5; a plurality of spray heads 7 are arranged in the spray device 1, the filter device 4 comprises a plurality of filter modules which are vertically arranged side by side, and a gap is reserved between every two adjacent filter modules.

Wherein, the air inlet side of the spraying device 1 is provided with an air inlet 6, the top of the spraying device 1 is provided with a purified liquid storage tank 8, and the other side of the spraying device 1 is provided with a purified liquid collecting tank for collecting used purified liquid. The bottom of the purifying liquid storage pool 8 is provided with a plurality of spray headers 7 which are connected with the purifying liquid storage pool 8, and the bottom of the purifying liquid storage pool 8 is paved with a layer of multi-surface hollow balls. The used purified liquid collected by the polyhedral hollow ball is filtered and then sprayed by the spray head 7. The purifying liquid collecting tank is connected with a water pump 2, and the water pump 2 is connected with a purifying liquid storage tank 8 through a connecting pipe 15.

In particular, as shown in fig. 2, a plurality of layers of water pump filter screens 18 are arranged at the connection position of the connection pipe of the purified liquid storage tank 8 and the water pump 2, so that micro particles in the used purified liquid can be filtered out and are not transmitted to the purified liquid storage tank 8, and secondary pollution is avoided. And then the used purifying liquid is collected and conveyed to the purifying liquid storage pool 8 by the water pump 2, so that the recycling of the purifying liquid is realized, and the resources are saved. The demisting device 3 is connected with the spraying device 1, and a plurality of demisters are arranged inside the demisting device. The gas after being sprayed can be subjected to gas-liquid separation, and the gas entering the filtering device 4 is ensured to be dry gas.

As described above, the dried gas treated by the defogging device 3 enters the filtering device 4, and the potassium permanganate activated alumina filtering module 9, the activated carbon filtering module 10 and the mixed material filtering module 11 are arranged in the filtering device 4 of the present invention. The potassium permanganate active alumina filtering module 9 has high removal efficiency on harmful gases such as hydrogen sulfide, sulfur dioxide, chlorine, nitric oxide and the like. The activated carbon filtration module 10 can adsorb and store the VOC gas in the air in the adsorbent without releasing, and no secondary pollution exists. The mixed material filtering module 11 is a silver ion primary filter and a HEPA filter, which can effectively intercept large-particle substances and particle substances below 2.5 microns in the air and only allow gas molecules to pass through. The particles carried in the air and the missing particles of the filtering material can be completely filtered.

As shown in fig. 3, two sides of the potassium permanganate activated alumina filter module 9, the activated carbon filter module 10, and the mixed material filter module 11 are provided with filter screen frames. It comprises materials such as non-woven fabrics, nylon wire, active carbon filter media, metal filter screen, can play the effect of fixed stay to the filtering material of filter module, can also filter the absorption to the moisture in tiny granule, the filtering material omission granule in the VOC gas and the gas simultaneously, has improved filtration purification's effect.

In order to operate the driving device, the device is provided with a driving device 5, a driving fan 12 and a fan speed regulating knob 13 are arranged on the driving device 5, and an air outlet 14 is arranged at the other end of the driving device. The driving speed of the driving fan 12 can be controlled by the fan speed control knob 13, and finally the filtered air is delivered out.

In summary, the treatment device of the present invention is an integrated treatment device for VOC gas, which integrally comprises a spraying device, a defogging device, a filtering device and a driving device. The initial volatile organic compounds are sprayed and purified through the spraying device, and then are filtered and purified through the filtering device after being demisted by the demisting device, and finally are discharged through the driving device. Wherein, water pump filter screen and filter screen frame can carry out further filtration to purifying liquid collecting pit and filtration module, make purifying effect better. The processing device has the advantages of compact integral structure, small volume and simple flow direction of the air channel, avoids the reduction of the air speed, can effectively filter and purify VOC gas in the air, and has great practical value and popularization value.

In the description of the novel concept, it is to be understood that the terms "mounted," "connected," and "connected" are to be construed broadly and, for example, as meaning either a fixed connection, a removable connection, or an integral connection unless expressly stated or limited otherwise; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims

1. An integrated VOC gas treatment device, comprising: the device comprises a spraying device, a demisting device, a filtering device and a driving device which are sequentially communicated according to the gas flow direction, wherein an air inlet is formed in one side wall of the spraying device, and an air outlet is formed in one side wall of the driving device; the spraying device is internally provided with a plurality of spraying heads, the filtering device comprises a plurality of filtering modules which are vertically arranged side by side, and a gap is reserved between every two adjacent filtering modules.

2. An integrated treatment device for VOC gas as claimed in claim 1, wherein said spraying device is provided with a purified liquid storage tank at the top and a purified liquid collection tank at the bottom.

3. The integrated VOC gas processing device as claimed in claim 2, wherein a plurality of showerheads are disposed at the bottom of the purified liquid storage tank and are connected to the purified liquid storage tank, and a layer of multi-surface hollow spheres is laid at the bottom of the purified liquid storage tank.

4. An integrated treatment device for VOC gas as claimed in claim 2, wherein said purified liquid collecting tank is connected to a water pump, and said water pump is connected to the purified liquid storage tank through a connecting pipe.

5. The integrated VOC gas processing device of claim 4, wherein a metal screen is arranged at the connection position of the connection pipe of the water pump and the purified liquid storage tank.

6. An integrated VOC gas treatment apparatus according to claim 1, wherein the demister is a demister.

7. A VOC gas integrated processing apparatus according to claim 1, wherein the filtration module comprises at least: potassium permanganate active alumina filters module, active carbon filters module and mixed material and filters module.

8. A VOC gas integrated processing apparatus as claimed in claim 7, wherein both sides of said filter module are provided with filter screen frames.

9. The integrated VOC gas processing device as claimed in claim 1, wherein said driving device comprises a fan and a motor for driving the fan, and an air outlet of said fan is disposed corresponding to said air outlet.