CN218794677U - Composite filter screen and gas separation and recovery device - Google Patents
Composite filter screen and gas separation and recovery device Download PDFInfo
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- CN218794677U CN218794677U CN202222907186.1U CN202222907186U CN218794677U CN 218794677 U CN218794677 U CN 218794677U CN 202222907186 U CN202222907186 U CN 202222907186U CN 218794677 U CN218794677 U CN 218794677U
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- 239000002131 composite material Substances 0.000 title claims abstract description 34
- 238000000926 separation method Methods 0.000 title claims abstract description 22
- 238000011084 recovery Methods 0.000 title claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 81
- 238000009434 installation Methods 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 24
- 238000001914 filtration Methods 0.000 abstract description 22
- 230000008901 benefit Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000009945 crocheting Methods 0.000 abstract description 2
- 239000013618 particulate matter Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 23
- 239000000428 dust Substances 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000004064 recycling Methods 0.000 description 5
- 239000008263 liquid aerosol Substances 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
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- 238000000889 atomisation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
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- 230000002349 favourable effect Effects 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
- Filtering Materials (AREA)
Abstract
The utility model discloses a composite filter screen and a gas separation and recovery device, wherein the composite filter screen comprises an installation frame and a filter layer; the installing frame is formed with the installation through-hole, and the filter layer includes the filter unit, and the filter unit includes inlayer metal filter screen and the outer metal filter screen that is located inlayer metal filter screen both sides respectively, and inlayer metal filter screen and outer metal filter screen are along the range upon range of setting of the central axis direction of installing the through-hole, and inlayer metal filter screen weaves the filter screen for the metal crocheting, and outer metal filter screen weaves the filter screen for the metal. The both ends of installation through-hole the central axis are the air inlet and the gas outlet of treating air-purifying respectively, and the air that gets into from the air inlet is discharged from the gas outlet after the filtering layer in order to reach air-purifying's purpose, through set up the metal filter screen of two kinds of different structures in the filter unit, this composite filter screen has effectively promoted liquid particulate matter interception, recovery efficiency, reaches energy-conservation, emission reduction's purpose better, has that the security is good, no consumptive material, the filter effect is good and the lower advantage of cost.
Description
Technical Field
The utility model relates to a filtration equipment technical field especially relates to a compound filter screen and gas separation recovery unit.
Background
Some particular industrial processes produce micron and submicron sized droplets of a suspension, known as a liquid aerosol. Some of these aerosols are of value for recycling, and some can cause corrosion of process equipment. If the aerosol is directly discharged into the surrounding environment without being treated, air pollution and harm to human health can be caused. Industrial processes that typically produce liquid aerosols include mechanical atomization, gas compression processes, evaporation-condensation, entrainment of gas streams in gas-liquid contactors, crankcase ventilation, and the like; particularly, in industrial machining and manufacturing (such as CNC, lathe, grinding machine, milling machine and the like), liquid is in contact with high-rotation-speed equipment, the equipment transfers mechanical energy to the liquid, mechanical atomization is generated, atomized liquid drops not only corrode the mechanical equipment, the operation cost is improved, but also harm is caused to the environment and human health.
The method for removing liquid and particles in gas in the prior art mainly has the modes of electrostatic adsorption, centrifugal gas-liquid separation, filter screen filtration and the like, but correspondingly has the potential safety hazards caused by discharge, arc discharge and short circuit, is high in energy consumption, not easy to maintain and repair, needs to frequently replace a filter screen to generate consumables and micro wastes, and has the problem of high cost.
In view of the above, there is a need for a new composite filter screen and a new gas separation and recovery apparatus, which solve or at least alleviate the above technical drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a compound filter screen and gas separation recovery unit aims at solving among the prior art filtering method and has potential safety hazard and technical problem with high costs.
In order to achieve the above object, according to one aspect of the present invention, the present invention provides a composite filter screen, which includes a mounting frame and a filter layer; the installing frame is formed with the installation through-hole, the filter layer includes filter unit, filter unit includes inlayer metal filter screen and is located respectively the outer metal filter screen of inlayer metal filter screen both sides, inlayer metal filter screen with outer metal filter screen follows the range upon range of setting of installation through-hole's the central axis direction, inlayer metal filter screen is the metal crocheted filter screen, outer metal filter screen is the metal woven filter screen.
In an embodiment, the number of the filter units is at least two groups, and at least two groups of the filter units are arranged in the mounting through hole in a stacking manner along the central axis direction.
In one embodiment, metal crocheted filter screens are also arranged between two adjacent groups of the filter units in a stacking mode.
In an embodiment, the number of the inner metal screens is at least two, and the at least two inner metal screens are stacked along the central axis direction.
In an embodiment, compound filter screen still includes the filter screen skeleton, the quantity of filter screen skeleton is two sets of, two sets of the filter screen skeleton install respectively in the both ends of installation through-hole, the filter layer sets up in two sets of between the filter screen skeleton.
In one embodiment, two ends of the mounting frame are respectively formed with folded edges facing the central axis, and the opposite sides of the two groups of folded edges are respectively abutted to the two groups of filter screen frameworks.
In one embodiment, the cross section of the mounting frame is square, and the cross section is perpendicular to the central axis.
In one embodiment, reinforcing ribs are arranged at four side edges of the mounting frame.
In one embodiment, the mounting frame is a metal frame.
According to the utility model discloses a further aspect, the utility model discloses still provide a gas separation recovery unit, gas separation recovery unit includes above-mentioned arbitrary one the composite filter net, still include the separator box, be formed with in the separator box and hold the chamber, composite filter net set up in hold the intracavity.
In the above technical solution of the present invention, the composite filter screen includes an installation frame and a filter layer; the installing frame is formed with the installation through-hole, and the filter layer includes the filter unit, and the filter unit includes inlayer metal filter screen and the outer metal filter screen that is located inlayer metal filter screen both sides respectively, and inlayer metal filter screen and outer metal filter screen are along the range upon range of setting of the central axis direction of installing the through-hole, and inlayer metal filter screen weaves the filter screen for the metal crocheting, and outer metal filter screen weaves the filter screen for the metal. The two ends of the central axis of the mounting through hole are respectively provided with an air inlet and an air outlet of air to be purified, the air entering from the air inlet passes through the filtering layer and then is discharged from the air outlet so as to achieve the purpose of purifying the air, and the metal filtering nets with two different structures are arranged in the filtering unit, wherein the single-layer metal woven filtering net is relatively flat, if the metal filtering nets are independently stacked in multiple layers, the air, liquid drops, particulate matters and the like are difficult to pass through, the practicability is poor, the metal hook woven filtering net is relatively thick and is corrugated integrally, gaps which are favorable for the air to pass through exist, and the metal hook woven filtering net is clamped in the composite filtering net structure between the two layers of metal filtering nets, so that the air can pass through, and meanwhile, large liquid drops and liquid drops in the air can be effectively blocked, the large liquid drops and the gas can be separated and fall for recycling, further, the separation and recycling of liquid aerosol are realized, and the separation and recycling efficiency is improved; compared with a high-voltage electrostatic adsorption dust collection mode, the device has the advantages of safety, low cost, no ozone generation and no energy consumption; compared with a centrifugal gas-liquid separator dust collection mode, the dust collection device has the advantages of no high-voltage and low-voltage electric field, no potential safety hazard caused by discharge, arc discharge and short circuit, safety, low cost and no energy consumption; compared with the filtration technology such as HEPA (high efficiency particulate air) net, filter barrel, filter bag and the like, the composite filter screen can recover liquid drops in air flow, has no material consumption and can be repeatedly used; compared with different metal filter screens with the same structure and different mesh numbers, the metal crocheted filter screens and the metal woven filter screens are better in intercepting and filtering effects, smaller in wind resistance, more uniform in porosity of the filter layer, high in liquid drop moving efficiency and lower in liquid drop entrainment rate of filtered air, liquid particle intercepting and recycling efficiency is effectively improved, and the purposes of energy conservation and emission reduction are better achieved. The utility model discloses a have that the security is good, no consumptive material, the filter effect is good and the lower advantage of cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a composite filter screen according to an embodiment of the present invention;
fig. 2 is an exploded view of the composite filter screen according to the embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
13 | Reinforcing |
| 1 | |
21 | |
| 2 | |
211 | Inner layer |
| 3 | |
212 | Outer |
| 11 | Mounting through |
12 | Edge folding |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two groups, e.g., two groups, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two or more elements or in the interaction of two or more elements, unless expressly stated otherwise. 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, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Referring to fig. 1 and 2, according to an aspect of the present invention, the present invention provides a composite filter screen 100, wherein the composite filter screen 100 includes a mounting frame 1 and a filter layer 2; installing frame 1 is formed with installation through-hole 11, and filter layer 2 includes filter unit 21, and filter unit 21 includes inlayer metal filter screen 211 and the outer metal filter screen 212 that is located inlayer metal filter screen 211 both sides respectively, and inlayer metal filter screen 211 and outer metal filter screen 212 are along the range upon range of setting of the central axis direction of installing through-hole 11, and inlayer metal filter screen 211 is the metal crocheted filter screen, and outer metal filter screen 212 is the metal woven filter screen.
In the above embodiment, the two ends of the central axis of the installation through hole 11 are respectively an air inlet and an air outlet for air to be purified, the air entering from the air inlet passes through the filtering layer 2 and then is discharged from the air outlet to achieve the purpose of purifying the air, and two metal filter screens with different structures are arranged in the filtering unit 21, wherein, a single-layer metal woven filter screen is flat, if a plurality of layers are independently stacked, the air, liquid drops, particulate matters and the like are difficult to pass through, the practicability is poor, the metal woven filter screen is relatively thick and is corrugated integrally, gaps which are beneficial for the air to pass through exist, and the metal woven filter screen is clamped in a composite filter screen structure between the two layers of metal woven filter screens, so that the air can pass through, large particles and liquid drops in the air can be effectively blocked, the large particles and liquid drops are separated from the air and fall for recovery, the separation and recovery of liquid aerosol are realized, and the separation and recovery efficiency is improved; compared with a high-voltage electrostatic adsorption dust collection mode, the device has the advantages of safety, low cost, no ozone generation and no energy consumption; compared with a centrifugal gas-liquid separator dust collection mode, the dust collection device has the advantages of no high-voltage and low-voltage electric field, no potential safety hazard caused by discharge, arc discharge and short circuit, safety, low cost and no energy consumption; compared with the filtration technology such as HEPA net (High efficiency air Filter), filter barrel, filter bag, etc., the composite Filter screen 100 can recover the liquid drops in the air flow, has no material consumption, and can be reused; compared with different metal filter screens with the same structure and different mesh numbers, the interception and filtration effects of the metal crocheted filter screens and the metal woven filter screens are better, the wind resistance is lower, the porosity of the filter layer 2 is more uniform, the liquid drop moving efficiency is high, the liquid drop entrainment rate of filtered air is lower, the liquid particle interception and recovery efficiency is effectively improved, and the purposes of energy conservation and emission reduction are better achieved. The embodiment has the advantages of good safety, no material consumption, good filtering effect and low cost. The mounting frame 1 may be a metal frame. It should be noted that the utility model discloses do not do specifically and restrict the mesh number of metal filter screen, be applicable according to actual conditions (such as wind speed, particulate matter concentration etc.).
In one embodiment, in order to improve the filtering effect, the number of the filter units 21 is at least two groups, and at least two groups of filter units 21 are stacked in the central axis direction in the installation through hole 11.
In an embodiment, metal crocheted filter screens are also stacked between two adjacent sets of filter units 21, so that the filtering effect can be further improved. Specifically, the whole filter layer 2 may be formed by sequentially overlapping a plurality of single-layer metal woven filter screens and a plurality of single-layer metal crocheted filter screens.
The number of inlayer metal filter screen 211 can be one deck, also can be the multilayer, and specifically, the number of inlayer metal filter screen 211 is at least two-layer, and at least two-layer inlayer metal filter screen 211 is along the range upon range of setting of central axis direction, and the equipment of filter layer 2 is simpler.
In an embodiment, the composite filter screen 100 further includes two sets of filter screen frames 3, the two sets of filter screen frames 3 are respectively installed at two ends of the installation through hole 11, and the filter layer 2 is disposed between the two sets of filter screen frames 3. The multi-layer filtering units 21 are overlapped to the thickness of the mounting frame 1, and then are clamped by the two groups of filter screen frameworks 3 and are arranged in the mounting through holes 11 for fixation, so that the structural strength is better.
In one embodiment, two ends of the mounting frame 1 are respectively formed with folded edges 12 facing the central axis, and the opposite sides of the two groups of folded edges 12 are respectively abutted with the two groups of filter screen frameworks 3. The hem 12 extends a certain distance from the periphery of filter screen skeleton 3 towards the central axis respectively to the edge of cladding filter screen skeleton 3 makes the installation of filter screen layer and filter screen skeleton 3 more firm.
In one embodiment, the mounting frame 1 has a square cross-section perpendicular to the central axis. The cross section of the mounting through hole 11 is square corresponding to the mounting frame 1, and compared with a circular or triangular structure, the mounting through hole has high overall strength and is easy to mount and fix on a separation device.
In an embodiment, in order to increase the strength of the mounting frame 1 and improve the stability of the mounting, reinforcing ribs 13 are provided at four lateral edges of the mounting frame 1.
According to another aspect of the utility model, the utility model discloses still provide a gas separation recovery unit. The gas separation and recovery device comprises the composite filter screen 100 and a separation box, wherein a containing cavity is formed in the separation box, and the composite filter screen 100 is arranged in the containing cavity. Since the gas separation and recovery device adopts all the technical solutions of the composite filter screen 100 according to all the embodiments, at least all the beneficial effects brought by all the technical solutions are achieved, and no further description is given here.
The above is only the preferred embodiment of the present invention, and is not therefore limiting the patent scope of the present invention, all of which are under the design of the present invention, the equivalent structure transformation made by the contents of the specification and the attached drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. A composite filter screen is characterized by comprising a mounting frame and a filter layer; the installing frame is formed with the installation through-hole, the filter layer includes filter unit, filter unit includes inlayer metal filter screen and is located respectively the outer metal filter screen of inlayer metal filter screen both sides, inlayer metal filter screen with outer metal filter screen follows the range upon range of setting of installation through-hole's the central axis direction, inlayer metal filter screen is the metal crocheted filter screen, outer metal filter screen is the metal woven filter screen.
2. The composite filter screen as recited in claim 1, wherein the number of said filter units is at least two, and at least two of said filter units are stacked and disposed in said mounting through hole along the direction of said central axis.
3. The composite filter screen according to claim 2, wherein a metal crocheted filter screen is also stacked between two adjacent groups of the filter units.
4. The composite filter screen of claim 1, wherein the number of the inner metal screens is at least two, and at least two of the inner metal screens are stacked in the direction of the central axis.
5. The composite filter screen according to claim 1, further comprising two sets of filter screen frames, wherein the two sets of filter screen frames are respectively installed at two ends of the installation through hole, and the filter layer is disposed between the two sets of filter screen frames.
6. The composite filter screen according to claim 5, wherein the two ends of the mounting frame are respectively formed with folded edges facing the central axis, and the opposite sides of the two groups of folded edges are respectively abutted against the two groups of filter screen frameworks.
7. The composite filter screen according to any one of claims 1 to 6, wherein the cross section of the mounting frame is square, and the cross section is perpendicular to the central axis.
8. The composite filter screen as in claim 7, wherein reinforcing ribs are provided at each of four side edges of the mounting frame.
9. The composite filter screen according to any one of claims 1 to 6, wherein the mounting frame is a metal frame.
10. A gas separation and recovery device, characterized by comprising the composite filter screen as claimed in any one of claims 1 to 9, and further comprising a separation box, wherein an accommodating cavity is formed in the separation box, and the composite filter screen is arranged in the accommodating cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222907186.1U CN218794677U (en) | 2022-11-02 | 2022-11-02 | Composite filter screen and gas separation and recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222907186.1U CN218794677U (en) | 2022-11-02 | 2022-11-02 | Composite filter screen and gas separation and recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218794677U true CN218794677U (en) | 2023-04-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222907186.1U Active CN218794677U (en) | 2022-11-02 | 2022-11-02 | Composite filter screen and gas separation and recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218794677U (en) |
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2022
- 2022-11-02 CN CN202222907186.1U patent/CN218794677U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Composite filter screen and gas separation and recovery device Granted publication date: 20230407 Pledgee: Shenzhen Rural Commercial Bank Co.,Ltd. Guangming Sub branch Pledgor: SHENZHEN TIANDEYI ENVIRONMENT TECHNOLOGY Co.,Ltd. Registration number: Y2024980013436 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |