CN217431292U - Waste gas filtering device capable of adsorbing VOCs with high boiling point - Google Patents
Waste gas filtering device capable of adsorbing VOCs with high boiling point Download PDFInfo
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- CN217431292U CN217431292U CN202123196284.0U CN202123196284U CN217431292U CN 217431292 U CN217431292 U CN 217431292U CN 202123196284 U CN202123196284 U CN 202123196284U CN 217431292 U CN217431292 U CN 217431292U
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Abstract
The utility model relates to a waste gas treatment device technical field especially relates to an adsorbable high boiling point VOCs's exhaust gas filtering device. Including the box, the box both sides are provided with air inlet and gas outlet respectively, and the box is inside to be provided with a plurality of filter layers, sets gradually to just imitate filter layer, well effect filter layer, active carbon filter layer and high-efficient filter layer from air inlet to gas outlet direction filter layer. Filter equipment can filter dust particle and high boiling point VOCs in the waste gas, have that structural layout is ingenious, multi-functional integrated advantage.
Description
Technical Field
The utility model relates to a waste gas treatment device technical field especially relates to an adsorbable high boiling point VOCs's exhaust gas filtering device.
Background
Volatile Organic Compounds (VOCs) have a boiling point of between 50 ℃ and 260 ℃ at atmospheric pressure, high boiling point VOCs being volatile organic compounds having a boiling point above 180 ℃ at atmospheric pressure. The main stream of industrial waste gas treatment in industries such as spraying, chemical engineering, resin synthesis and the like is to adopt a zeolite rotating wheel to adsorb and concentrate and then match a combustion process to carry out desorption treatment, namely, waste gas is pretreated to filter out dust and particles, the waste gas with large air volume and low concentration enters an adsorption area of the zeolite rotating wheel, organic matters in the waste gas are effectively adsorbed on the surface of the zeolite rotating wheel, the rotating wheel rotates to a desorption area, desorption air with small air volume sweeps the surface of zeolite in the desorption area, the organic matters originally adsorbed on the surface of the zeolite are converted into gaseous state, the organic matters enter a subsequent treatment working section along with hot air, so that the zeolite rotating wheel completes desorption and can enter the adsorption area again.
The desorption temperature that the zeolite runner endured is conventionally between 180 ℃ and 200 ℃, the temperature of desorption wind is usually between 180 ℃ and 220 ℃, the maximum desorption temperature of the zeolite runner can only be set to 220 ℃, in practice, it is found that high boiling point substances directly enter the zeolite runner if not removed in the pretreatment stage, once organic matters with the boiling points of 180 ℃ are adsorbed to the surface of zeolite in the adsorption process, the desorption wind can not effectively desorb the organic matters from the surface of zeolite, so that the efficiency of the organic waste gas treatment by the zeolite is reduced, the irreversible attenuation of the purification efficiency of the zeolite runner is caused, and the whole purification effect of the waste gas treatment system is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an adsorbable high boiling point VOCs's exhaust gas filtration device, can filter dust, granule and high boiling point VOCs in the waste gas.
In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides an adsorbable high boiling point VOCs's exhaust gas filtering device, includes the box, and the box both sides are provided with air inlet and gas outlet respectively, and the box is inside to be provided with a plurality of filter layers, sets gradually to just imitate filter layer, well effect filter layer, active carbon filter layer and high efficiency filter layer from the air inlet to gas outlet direction filter layer.
To the utility model discloses foretell adsorbable high boiling point VOCs's exhaust gas filtration device's further improvement, the active carbon filter layer is including fixing the box inside strain a section of thick bamboo fixed plate and installing a plurality of straining on straining a section of thick bamboo fixed plate are strained a section of thick bamboo and are filled the active carbon.
For the utility model discloses foretell waste gas filtering device of adsorbable high boiling point VOCs's further improvement, the circular mounting hole of straining that is provided with the matrix type on the fixed plate of straining is arranged, strain two-layer around fixed plate parallel arrangement, and two-layer around and strain a cartridge mounting hole and correspond, strain the front end of a section of thick bamboo and install on the fixed plate is strained to the section of thick bamboo of one deck in the front, strain the rear end of a section of thick bamboo and install on the fixed plate is strained to the section of thick bamboo of one deck behind.
To the utility model discloses foretell adsorbable high boiling point VOCs's exhaust gas filtration device's further improvement, the primary filter layer is provided with the filter pulp mounting bracket, the filter pulp mounting bracket is fixed inside the box, be provided with the primary filter pulp that is used for filtering the particle more than 5 mu m of diameter on the filter pulp mounting bracket.
To the utility model discloses foretell adsorbable high boiling point VOCs's exhaust gas filtration device's further improvement, well effect filter layer is provided with the filter bag mounting bracket, the filter bag mounting bracket is fixed inside the box, be provided with the well effect filter bag that is used for filtering granule more than the diameter 1 mu m on the filter bag mounting bracket.
To the utility model discloses foretell adsorbable high boiling point VOCs's exhaust gas filtration device's further improvement, high efficiency filter layer is provided with the filter bag mounting bracket, the filter bag mounting bracket is fixed inside the box, be provided with the high efficiency filter bag that is used for filtering diameter 0.5 mu m above granule on the filter bag mounting bracket.
To the utility model discloses foretell adsorbable high boiling point VOCs's exhaust gas filtering device's further improvement, the pressure difference changer is all connected to both sides around every filter layer.
To the utility model discloses foretell adsorbable high boiling point VOCs's exhaust gas filtering device's further improvement, pressure differential transmitter installs on the box.
To the utility model discloses foretell adsorbable high boiling point VOCs's exhaust gas filtering device's further improvement, be provided with the access door that is used for changing the filter layer on the box.
Compared with the prior art, the utility model discloses following beneficial effect has.
Adsorbable high boiling point VOCs's exhaust gas filtering device, including the box and set up air inlet and the gas outlet in the box both sides respectively, the box is inside to have set gradually along air inlet to gas outlet direction and just imitate filter layer, well effect filter layer, active carbon filter layer and high-efficient filter layer. Waste gas lets in the utility model discloses, the dust granule can be filtered by just imitating filter layer, well effect filter layer and high-efficient filter layer, high boiling point VOCs can be adsorbed by the active carbon filter layer, filter equipment can filter dust granule and high boiling point VOCs in the waste gas, have the advantage that structural layout is ingenious, multi-functional integrated.
Drawings
FIG. 1 is a schematic front view of an exhaust gas filtering device capable of adsorbing VOCs with high boiling points according to the present invention;
FIG. 2 is a schematic top view of the waste gas filtering device capable of adsorbing VOCs with high boiling points according to the present invention;
fig. 3 is a schematic side view of the waste gas filtering device capable of adsorbing high-boiling-point VOCs of the present invention.
Description of reference numerals:
1-box 2-air inlet 3-air outlet 4-primary filter layer
5-middle effect filter layer 6-active carbon filter layer 7-high effect filter layer 8-filter cartridge fixing front plate
9-filter cartridge fixing back plate 10-filter cartridge 11-primary effect filter cotton 12-intermediate effect filter bag
13-high-efficiency filter bag 14-differential pressure transmitter 15-access door 16-rain cover
17-air pipe 18-box body reinforcing rib
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings. These embodiments are provided only for illustrating the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to 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 terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 according to specific situations by those skilled in the art.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in figure 1, 2, adsorbable high boiling point VOCs's exhaust gas filtration device include box 1, box 1 both sides are provided with air inlet 2 and gas outlet 3 respectively, the waste gas that needs filtration treatment lets in from air inlet 2 among the filter equipment, flow out from gas outlet 3 after the filtration and get into the zeolite runner and carry out subsequent processing, box 1 is inside to have set gradually from air inlet 2 to 3 directions in the gas outlet and be used for filtering the primary filter layer 4 of the granule more than 5 mu m of diameter, a high efficiency filter layer 5 for filtering the granule more than 1 mu m of diameter, an active carbon filter layer 6 for filtering high boiling point VOCs and a high efficiency filter layer 7 for filtering the granule more than 0.5 mu m of diameter, above-mentioned a plurality of filter layers separate box 1 for the inside cavity of a plurality of series connections.
The primary filter layer 4 is provided with a filter cotton mounting rack which is fixed inside the box body 1, and primary filter cotton 11 for filtering particles with the diameter of more than 5 mu m is arranged on the filter cotton mounting rack. The filter cotton mounting bracket adopts the filter cotton mounting hole of square frame shape, and the filter cotton mounting hole is the matrix type and arranges, and the primary filter cotton is installed in the filter cotton mounting hole, and the primary filter cotton adopts frame G4 filter cotton.
The middle-effect filter layer 5 is provided with a filter bag mounting rack which is fixed inside the box body 1, and a middle-effect filter bag 12 for filtering particles with the diameter of more than 1 mu m is arranged on the filter bag mounting rack. The filter bag mounting frame adopts square filter bag mounting holes, the filter bag mounting holes are arranged in a matrix shape, the medium-effect filter bag is mounted in the filter bag mounting holes, and the medium-effect filter bag adopts an F7 filter precision filter bag.
The activated carbon filter layer 6 comprises a filter cartridge fixing plate fixed inside the box body 1 and a filter cartridge 10 installed on the filter cartridge fixing plate, activated carbon is filled in the filter cartridge 10, small holes are formed in the surface of the filter cartridge 10, the diameter of each small hole is smaller than the diameter of an activated carbon particle, the activated carbon is prevented from leaking from the filter cartridge 10, and meanwhile, waste gas can uniformly pass through the filter cartridge 10. The filter cartridge fixing plate is provided with round filter cartridge mounting holes arranged in a matrix manner.
The filter cartridge fixing plate is composed of a front filter cartridge fixing front plate 8 and a rear filter cartridge fixing rear plate 9 which are arranged in parallel, filter cartridge mounting holes in the front filter cartridge fixing front plate 8 and the rear filter cartridge fixing rear plate 9 correspond to each other, the front end of a filter cartridge 10 is mounted on the front filter cartridge fixing front plate 8 in the front layer, and the rear end of the filter cartridge 10 is mounted on the rear filter cartridge fixing rear plate 9 in the rear layer.
The front end of the filter cylinder 10 is provided with three buckles, and the filter cylinder mounting hole on the filter cylinder fixing front plate 8 is provided with a clamping groove for connecting with the buckles. The filter cartridge 10 is fixed on the filter cartridge fixing front plate 8 through the connection of the buckle and the clamping groove, in order to enable the filter cartridge 10 to be more stable on the filter cartridge fixing plate, the filter cartridge fixing rear plate 9 is arranged, and the rear end of the filter cartridge 10 is clamped in a filter cartridge mounting hole on the filter cartridge fixing rear plate 9.
The efficient filtering layer 7 is provided with a filtering bag mounting rack which is fixed inside the box body 1, and the filtering bag mounting rack is provided with an efficient filtering bag 13 for filtering particles with the diameter of more than 0.5 mu m. The filter bag mounting frame adopts square filter bag mounting holes, the filter bag mounting holes are arranged in a matrix manner, the efficient filter bag is mounted in the filter bag mounting holes, and the efficient filter bag adopts an F9 filter precision filter bag.
As shown in fig. 1-3, adsorbable high boiling point VOCs's exhaust gas filtration device, pressure difference transmitter 14 is all connected to both sides around every filter layer for pressure difference around the monitoring filter layer sets for the pressure difference value as the standard of changing filtering material (above-mentioned just imitate filter pulp 11, well effect cross filter bag 12, strain a section of thick bamboo 10 and high efficiency filter bag 13), need to change filtering material when pressure difference reaches the pressure difference value of setting for in order to guarantee the filter effect. As shown in fig. 1, the differential pressure transmitter 14 is mounted on the outer side surface of the case 1, and a rain screen 16 for preventing rain is provided above the differential pressure transmitter 14. The inner chambers on both sides of each filter layer are communicated with the pressure interface of the differential pressure transmitter 14 through the air pipe 17 so as to transmit the pressure of each inner chamber to the differential pressure transmitter 14.
Be provided with the access door 15 that is used for changing the filter layer on the box 1, the staff can get into box 1 through access door 15 inside overhauls and change work such as filtering material. The bottom of the box body 1 is provided with a plurality of drain holes for preventing water from accumulating inside the box body 1. The inner wall of the box body 1 is provided with a plurality of box body reinforcing ribs 18 for reinforcing the strength of the box body 1.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be considered as the protection scope of the present invention.
Claims (8)
1. The utility model provides an adsorbable high boiling point VOCs's exhaust gas filtering device, includes box (1), and the box both sides are provided with air inlet (2) and gas outlet (3) respectively, its characterized in that, and box (1) inside is provided with a plurality of filter layers, sets gradually from air inlet (2) to gas outlet (3) direction filter layer to just imitating filter layer (4), well effect filter layer (5), active carbon filter layer (6) and high-efficient filter layer (7), active carbon filter layer (6) are including fixing the fixed plate of straining a section of thick bamboo in box (1) inside and installing a plurality of (10) of straining on the fixed plate strain a section of thick bamboo, pack the active carbon in (10) of straining.
2. The exhaust gas filtering device capable of adsorbing high-boiling-point VOCs according to claim 1, wherein: the filter cartridge fixing plate is provided with round filter cartridge mounting holes arranged in a matrix manner, the filter cartridge fixing plate is provided with a front layer and a rear layer in parallel, the filter cartridge mounting holes of the front layer and the rear layer are corresponding, the front end of the filter cartridge (10) is mounted on the filter cartridge fixing plate of the front layer, and the rear end of the filter cartridge (10) is mounted on the filter cartridge fixing plate of the rear layer.
3. The exhaust gas filtering device capable of adsorbing high-boiling-point VOCs according to claim 1, wherein: the primary filter layer (4) is provided with a filter cotton mounting rack, the filter cotton mounting rack is fixed inside the box body (1), and primary filter cotton (11) used for filtering particles with the diameter of more than 5 mu m is arranged on the filter cotton mounting rack.
4. The exhaust gas filtering device capable of adsorbing high-boiling-point VOCs as claimed in claim 1, wherein: the medium-efficiency filter layer (5) is provided with a filter bag mounting rack which is fixed inside the box body (1), and the medium-efficiency filter bag (12) used for filtering particles with the diameter of more than 1 mu m is arranged on the filter bag mounting rack.
5. The exhaust gas filtering device capable of adsorbing high-boiling-point VOCs according to claim 1, wherein: the efficient filtering layer (7) is provided with a filtering bag mounting rack which is fixed inside the box body (1), and the filtering bag mounting rack is provided with an efficient filtering bag (13) for filtering particles with the diameter of more than 0.5 mu m.
6. The exhaust gas filtering device capable of adsorbing high-boiling-point VOCs according to claim 1, wherein: the front side and the rear side of each filter layer are connected with a differential pressure transmitter (14).
7. The exhaust gas filtering device capable of adsorbing high-boiling-point VOCs according to claim 6, wherein: the differential pressure transmitter (14) is arranged on the box body (1).
8. The exhaust gas filtering device capable of adsorbing high-boiling-point VOCs according to claim 1, wherein: an access door (15) for replacing the filter layer is arranged on the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123196284.0U CN217431292U (en) | 2021-12-17 | 2021-12-17 | Waste gas filtering device capable of adsorbing VOCs with high boiling point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123196284.0U CN217431292U (en) | 2021-12-17 | 2021-12-17 | Waste gas filtering device capable of adsorbing VOCs with high boiling point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217431292U true CN217431292U (en) | 2022-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123196284.0U Active CN217431292U (en) | 2021-12-17 | 2021-12-17 | Waste gas filtering device capable of adsorbing VOCs with high boiling point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217431292U (en) |
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2021
- 2021-12-17 CN CN202123196284.0U patent/CN217431292U/en active Active
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