CN216909699U

CN216909699U - Spray catalytic purifier

Info

Publication number: CN216909699U
Application number: CN202121384516.2U
Authority: CN
Inventors: 江向前
Original assignee: Shanghai Qianchuang Environmental Protection Technology Co ltd
Current assignee: Shanghai Qianchuang Environmental Protection Technology Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-07-08
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a spraying catalytic purifier, which comprises a purifier box body, wherein a spraying area is arranged at the lower end of the purifier box body, a purifying area is arranged at the upper end of the purifier box body, a water tank is fixedly arranged at the bottom of the spraying area, and a rotational flow spraying device and an access window are arranged in the spraying area of the purifier box body; the purifying area of the purifier box body is internally provided with a demisting layer, a filter layer and an adsorption layer from bottom to top in sequence, and the demisting layer is composed of a plurality of demisting hollow spheres. The technical scheme has the advantages that the purification is carried out in quadruple ways to achieve the purpose of purification; the demisting layer, the filter layer and the adsorption layer are of modular structures, the modular design is advanced, the extraction and the replacement are convenient, the maintenance is more convenient, the purification efficiency is high, no energy consumption, no secondary pollution and low annual operation cost are achieved, the purification mode of filling the low-concentration waste gas sprayed on the automobile repair panel in China and abroad, the area is small, the number is large, the problem of maintenance with a set of vehicles, frequency and quickness is solved, and the problem of VOCs pollution brought to urban residents by the vehicle repair is solved.

Description

Spray catalytic purifier

Technical Field

The utility model relates to the technical field of paint room waste gas purification, in particular to a spraying catalytic purifier.

Background

The paint spraying process is widely applied to the industries of machinery, automobiles, electrical equipment, household appliances, ships, furniture and the like. In an automobile coating workshop, workpieces are subjected to pre-painting treatment, electrophoresis and painting. Painting processes include painting, leveling, and drying, where organic waste gases (VOCs) and overspray mist are generated. Organic solvents in the paint mist, such as benzene, toluene, xylene, non-methane total hydrocarbon and the like, belong to strong toxic solvents, and are discharged into the air, so that the paint mist can cause serious pollution to the environment and influence the body health of nearby residents.

At present, the existing waste gas treatment device has the modes of catalytic combustion, heat storage catalytic combustion, direct combustion, ozone purification and the like, and the modes of catalytic combustion, heat storage catalytic combustion and direct combustion can be used for large-scale spraying, whole vehicle spraying and high-concentration spraying purification, and can be used for low-concentration and small metal plate surfaces to cause high energy consumption and high operation cost, so that enterprises face loss. Ozone purifier ozone exceeds standard, and purification rate is low, and easy stifled, it is troublesome to maintain, can not be fine be applicable to the processing of automobile paint spray booth waste gas, and the practicality is poor, and a lot of provinces and cities have made the directive and forbid "ozone purification mode" to be used for surface coating.

Disclosure of utility model patent

To current purification product structure, energy consumption height, the not enough of the not high technique existence of purification rate, the utility model aims to provide a modular design, purification efficiency height, no energy consumption, no secondary pollution's a spray catalytic converter.

In order to achieve the purpose, the utility model provides the following technical scheme: a spray catalytic purifier comprises a purifier box body, wherein a spiral spray area is arranged at the lower end of the purifier box body, a purification area is arranged at the upper end of the purifier box body, a water tank is fixedly arranged at the bottom of the spray area, and a spiral flow spray device and an inspection window are arranged in the spray area of the purifier box body; remove fog layer, filter layer and adsorbed layer from supreme having set gradually down in the clean zone of clarifier box, remove fog layer and comprise a plurality of defogging clean shot, just the length that removes fog layer is 1082mm, and the width is 1130mm, highly is 152 mm.

The utility model is further configured to: the filter layer adopts the compound filter screen of multilayer, and the length of filter layer is 1082mm, and the width is 1130mm, and the height is 242 mm.

The utility model is further configured to: the adsorption layer is made of zeolite molecular adsorption materials, and the length of the adsorption layer is 1082mm, the width of the adsorption layer is 1130mm, and the height of the adsorption layer is 152 mm.

The utility model is further configured to: the defogging layer, the filter layer and the adsorption layer are all arranged in a modularized mode.

The utility model is further configured to: the spiral flow spraying device is 1500mm in length, 1180mm in width and 2055mm in height.

The utility model is further configured to: the dust waste gas of spray booth passes through the waste gas after the whirl spray set of pipeline through the spraying district purifies, gets rid of water smoke and intercepts the fractional paint mist through the defogging layer again, and the deep filtering of the compound filter screen of multilayer of filter layer remains the paint mist, and the zeolite molecular adsorption material through the adsorbed layer at last gets rid of the VOCs composition, reaches the purpose of purification.

The utility model has the advantages that: compared with the prior art, the utility model has advanced module design structure, high purification efficiency, no energy consumption and no secondary pollution. The process flow is that the dust waste gas of the paint spray booth passes through a pipeline and the waste gas is purified by a spiral flow spray device of a spray area, then passes through a demisting layer to remove water mist and intercept a small part of paint mist, a multilayer composite filter screen of a filter layer deeply filters the residual paint mist, finally, the nano zeolite molecular adsorption material of an adsorption layer is used for removing VOCs components, and the aim of purification is achieved. The demisting layer, the filter layer and the adsorption layer are of modular structures, so that the demisting layer, the filter layer and the adsorption layer are convenient to extract and replace, the maintenance is more convenient, the structural design is reasonable, the use is convenient, the purification effect is good, the maintenance is easy, and the practicability is good.

The utility model is further described with reference to the drawings and the specific embodiments in the following description.

Drawings

FIG. 1 is a schematic rear view of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the embodiment of the utility model after a partial shell is opened.

Detailed Description

In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms "first," "second," and "third" are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 and 2, the spray catalytic purifier disclosed by the utility model comprises a purifier box body 1, wherein a spray area 11 is arranged at the lower end of the purifier box body 1, a purification area 12 is arranged at the upper end of the purifier box body 1, a water tank 13 is fixedly arranged at the bottom of the spray area 11, and a spiral flow spray device 2 and an access window 111 are arranged in the spray area 11 of the purifier box body 1; the purification zone 12 of the purifier box body 1 is internally provided with a demisting layer 3, a filter layer 4 and an adsorption layer 5 from bottom to top in sequence, the demisting layer 3 is composed of a plurality of demisting hollow balls, the length of the demisting layer 3 is 1082mm, the width of the demisting layer is 1130mm, and the height of the demisting layer is 152 mm.

Preferably, the defogging layer 3 adopts a defogging hollow ball to intercept large-particle paint mist and partial water mist, so that the purification effect is improved.

In order to make the structure of the present invention more reasonable, preferably, the filter layer 4 is a multi-layer composite filter screen, and the length of the filter layer 4 is 1082mm, the width is 1130mm, and the height is 242 mm. The large granule coating cloud of filtering promotes purifying effect.

The adsorption layer 5 is made of a nano zeolite molecular adsorption material, and the adsorption layer 5 is 1082mm in length, 1130mm in width and 152mm in height. Adsorbing organic waste gas such as VOCs in the paint mist.

The demisting layer 3, the filter layer 4 and the adsorption layer 5 are all arranged in a modularized mode.

The spiral flow spraying device 2 is 1500mm long, 1180mm wide and 2055mm high.

The dust waste gas of spray booth passes through the pipeline and through the waste gas after the whirl spray set 2 purification of spray zone 11, through removing fog layer 3 and get rid of water smoke and intercept the fractional part coating cloud again, the deep filtering of the multilayer composite filter screen of filter layer 4 remains the coating cloud, and the zeolite molecular adsorption material through adsorbed layer 5 gets rid of VOCs composition at last, reaches the purpose of purification.

During actual application, paint mist in a paint spray room is sucked into a spray tower cavity of the rotational flow spray device from a pipeline behind a purifier box body, water mist sprayed out of a nozzle in the spray tower cavity impacts and changes the movement direction of waste gas, dust particles continuously move in the original direction due to inertia, most of the dust particles are adhered to water and then stay in the water, after impact water bath, a part of dust particles move along with the gas and are combined with impact water mist and cyclic spray water, further and fully mixed in a main body, the dust particles in dust-containing gas are collected by the water, the dust water is centrifugally rotated or filtered and separated, and flows into a circulating pool through the tower wall due to gravity, and 80% of the paint mist can be intercepted. Adding the medicament into a circulating water tank, floating paint slag on the water surface, and regularly cleaning, fishing, collecting and uniformly treating the paint slag.

The waste gas purified by the spiral flow spraying device in the spraying area is subjected to water mist removal and small paint mist interception (water mist removal and residual paint mist interception) by the demisting layer, residual paint mist is deeply filtered by the multilayer composite filter screen of the filter layer, and finally VOCs components are removed by the zeolite molecular adsorption material of the adsorption layer, so that the purification purpose is achieved; and finally, the air is exhausted outdoors along with the traction of the existing fan.

The above embodiments are only for further illustration of the present invention, and should not be construed as limiting the scope of the present invention, and the skilled engineer can make many insubstantial modifications and adjustments to the present invention based on the above disclosure.

Claims

1. The utility model provides a spray catalytic cleaner, includes clarifier box (1), clarifier box (1) lower extreme is provided with sprays district (11), and clarifier box (1) upper end is provided with purification area (12), sprays the fixed water tank (13) that are provided with in bottom of district (11), its characterized in that: a spiral flow spraying device (2) and an access window (111) are arranged in a spraying area (11) of the purifier box body (1); the purification device is characterized in that a demisting layer (3), a filter layer (4) and an adsorption layer (5) are sequentially arranged in a purification area (12) of the purifier box body (1) from bottom to top, and the demisting layer (3) is composed of a plurality of demisting hollow spheres.

2. The spray catalytic cleaner of claim 1, wherein: the length of the defogging layer (3) is 1082mm, the width is 1130mm, and the height is 152 mm.

3. The spray catalytic cleaner of claim 1, wherein: the filter layer (4) adopts a multilayer composite filter screen, and the length of the filter layer (4) is 1082mm, the width is 1130mm, and the height is 242 mm.

4. The spray catalytic cleaner of claim 1, wherein: the adsorption layer (5) is made of a nano zeolite molecular adsorption material, and the adsorption layer (5) is 1082mm in length, 1130mm in width and 152mm in height.

5. The spray catalytic cleaner of claim 1, wherein: the defogging layer (3), the filter layer (4) and the adsorption layer (5) are all arranged in a modularized manner.

6. The spray catalytic cleaner of claim 1, wherein: the length of the rotational flow spraying device (2) is 1500mm, the width is 1180mm, and the height is 2055 mm.

7. The spray catalytic cleaner of claim 1, wherein: the waste gas purified by the spiral flow spraying device (2) of the spraying area (11) is subjected to water mist removal and small paint mist interception by the mist removing layer (3), residual paint mist is deeply filtered by the multilayer composite filter screen of the filter layer (4), and finally VOCs components are removed by the zeolite molecular adsorption material of the adsorption layer (5), so that the purification purpose is achieved.