CN210905674U - Waste gas purification device for nonmetal laser cutting equipment - Google Patents
Waste gas purification device for nonmetal laser cutting equipment Download PDFInfo
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- CN210905674U CN210905674U CN201921604923.2U CN201921604923U CN210905674U CN 210905674 U CN210905674 U CN 210905674U CN 201921604923 U CN201921604923 U CN 201921604923U CN 210905674 U CN210905674 U CN 210905674U
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Abstract
The utility model discloses a waste gas purification device for nonmetal laser cutting equipment, including box (1), the top that the lower part of box (1) was equipped with air inlet (11) and box (1) is equipped with gas outlet (12), be equipped with first filtering component (2) of neighbouring air inlet (11) in the inner chamber lower part of box (1), and the inner chamber upper portion of box (1) is equipped with second filtering component (3) of neighbouring gas outlet (12), the top that is equipped with UV photocatalysis purification subassembly (4) and UV photocatalysis purification subassembly (4) in the top of first filtering component (2) is equipped with negative-pressure air fan (5), the air outlet top of negative-pressure air fan (5) is second filtering component (3). The utility model discloses utilize UV light to degrade and oxidation treatment organic or inorganic polymer stench compound in to waste gas, and handle catalytic purification's front and back end respectively, purification efficiency is high, the operation is stable and the installation is maintained conveniently, suitable using widely.
Description
Technical Field
The utility model belongs to the technical field of the gas purification equipment technique and specifically relates to a can solve the waste gas purification device that is used for nonmetal laser cutting equipment that nonmetal laser cutting waste gas is difficult to the purification treatment problem.
Background
The laser cutting equipment focuses laser emitted from a laser into a laser beam with high power density through an optical path system, the laser beam irradiates the surface of a workpiece to enable the workpiece to reach a melting point or a boiling point, simultaneously, high-pressure gas coaxial with the laser beam blows off melted or gasified cutting dust, and a material forms a kerf along with the movement of the relative position of the laser beam and the workpiece, so that the aim of laser cutting is fulfilled, but the cutting dust formed in the cutting process can cause air pollution and can be discharged after the waste gas generated by cutting is treated, in the prior art, a waste gas purification device for the laser cutting equipment mainly comprises a filter cartridge dust remover, a bag-type dust remover and the like, the dust remover is mainly used for metal laser cutting equipment, harmful substances in the waste gas generated by metal cutting mainly comprise metal dust and particulate matters, and the waste gas can generally reach the discharge standard after being filtered by the filter cartridge dust remover or the bag-type dust remover, and can be discharged into the atmosphere. However, with the wide application of non-metal materials, especially the application of various novel composite materials containing resin, the application field of laser cutting equipment is also expanded, the laser cutting equipment is mainly used for the laser processing equipment for metal cutting, and is also increasingly used for the cutting of non-metal materials at present, although the principle of laser cutting is the same, the components of waste gas generated by the laser cutting of the non-metal materials and the components of waste gas generated by the cutting of metal materials are greatly different, the waste gas generated by the laser cutting of the non-metal materials not only comprises dust and particles, but also comprises various volatile organic compounds, benzene series, non-methane total hydrocarbon, halogen-containing organic compounds and the like, wherein part of substances contain grease, when the waste gas is filtered by a filter cartridge dust collector or a bag dust collector, the grease substances are easy to block small holes on the dust collector or filter cloth, so that the filtering device fails, and some substances in, the environment can be seriously polluted and the waste gas can be discharged only by purification treatment, but the treatment effect of the traditional filter cartridge dust remover or bag-type dust remover on the waste gas generated by laser nonmetal cutting is not ideal and is often difficult to reach the discharge standard, so the application of the laser cutting equipment in the field of nonmetal material processing is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the problem that prior art exists, provide a waste gas purification device for nonmetal laser cutting equipment, this waste gas purification device can solve the problem that nonmetal laser cutting waste gas is difficult to purification treatment.
The utility model aims at solving through the following technical scheme:
the utility model provides a waste gas purification device for nonmetal laser cutting equipment, includes the box, its characterized in that: the lower part of box is equipped with the air inlet and the top of box is equipped with the gas outlet, is equipped with the first filtering component of neighbouring air inlet in the inner chamber lower part of box, and the inner chamber upper portion of box is equipped with the second filtering component of neighbouring gas outlet, is equipped with UV photocatalysis purification subassembly and UV photocatalysis purification subassembly's top in first filtering component's top and is equipped with negative-pressure air fan, and negative-pressure air fan's air outlet top is second filtering component.
First filtering component include that one or polylith parallel arrangement just imitate the filter screen and set up at just imitating the collection dirt drawer of filter screen below, just imitate the upside that the filter screen is located the air inlet.
The second filtering component comprises an activated carbon net cage and activated carbon arranged in the activated carbon net cage.
UV photocatalysis purifies subassembly include photodissociation catalysis filter screen and UV fluorescent tube, the photodissociation catalysis filter screen parallel sets up in pairs and sets up the UV fluorescent tube between two photodissociation catalysis filter screens.
The photolysis catalysis filter screen adopt the metal filter screen and scribble the photocatalyst on the surface of metal filter screen.
The photolysis catalysis filter screen adopt aluminium base filter screen and scribble titanium dioxide as photocatalyst on aluminium base filter screen's surface.
The UV lamp tube can emit ultraviolet light beams with the wavelengths of 170 and 254 nanometers.
The first filtering component is in sliding connection with the box body through the sliding groove, and the first filtering component can be drawn out of the box body along the sliding groove; and the second filtering component and the box body are in sliding connection through the sliding groove, and the second filtering component can be drawn out of the box body along the sliding groove.
UV photocatalysis purifies between subassembly and the box and realizes sliding connection and UV photocatalysis purifies the subassembly and can take out from the box along the spout through the spout.
First filtering component and UV photocatalysis purify the subassembly respectively and realize sliding connection through the spout between the box, and first filtering component and UV photocatalysis purify the side of taking out of subassembly and fix on same panel.
Compared with the prior art, the utility model has the following advantages:
the waste gas purification device of the utility model adopts the first filtering component to filter dust and particles in the waste gas; the UV light is used for degrading and oxidizing organic or inorganic high molecular malodorous compounds in the waste gas to generate low molecular compounds and CO2And H2O and other stable small molecular substances, thereby realizing the purification treatment of waste gas and the waste gas treatment mode of photolysis oxidation, and avoiding the problem that the filtering device is invalid because the grease substances in the waste gas block the small holes on the dust collector or the filter cloth when the filter cartridge dust collector or the cloth bag dust collector is adopted for filtering in the prior art; further adsorbing the exhaust gas after catalytic purification by using a second filtering component; the waste gas purification device has the advantages of high purification efficiency, stable operation, compact structure, convenient installation and maintenance and the like, and is suitable for popularization and use.
Drawings
FIG. 1 is a schematic structural view of an exhaust gas purifying apparatus according to the present invention;
FIG. 2 is an isometric view of the exhaust gas purification device of the present invention without the housing and the negative pressure fan;
wherein: 1, a box body; 11-an air inlet; 12-an air outlet; 2-a first filter assembly; 21-primary effect filter screen; 22-dust collection drawer; 3-a second filter assembly; 4-UV photocatalytic purification component; 41-photolysis catalysis filter screen; 42-UV lamp tube; and 5, a negative pressure fan.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1-2: the utility model provides a waste gas purification device for nonmetal laser cutting equipment, including box 1, the top that is equipped with air inlet 11 and box 1 in the lower part of box 1 is equipped with gas outlet 12, be equipped with the first filtering component 2 of neighbouring air inlet 11 in the inner chamber lower part of box 1, and the inner chamber upper portion of box 1 is equipped with the second filtering component 3 of neighbouring gas outlet 12, the top that is equipped with UV photocatalysis purification subassembly 4 and UV photocatalysis purification subassembly 4 in the top of first filtering component 2 is equipped with negative-pressure air fan 5, the air outlet top of negative-pressure air fan 5 is second filtering component 3.
As shown in fig. 1-2: the first filter component 2 comprises one or more primary filter screens 21 arranged in parallel and a dust collection drawer 22 arranged below the primary filter screens 21, and the primary filter screens 21 are positioned on the upper side of the air inlet 11; the effect of primary filter screen 21 is the dust and the particulate matter of filtering in the waste gas, lets dust and particulate matter fall into collection dirt drawer 21, makes the waste gas that gets into in UV photocatalytic purification subassembly 4 reduce the content of dust and particulate matter as far as possible, avoids too much dust and particulate matter adhesion on UV fluorescent tube 42 surface, influences the efficiency of UV light. Realize sliding connection and first filter assembly 2 can take out from box 1 along the spout through the spout between first filter assembly 2 and the box 1, be convenient for change the primary filter screen 21 among the first filter assembly 2.
As shown in fig. 2: the UV photocatalytic purification assembly 4 includes a photolysis catalytic filter net 41 and a UV lamp tube 42, wherein the photolysis catalytic filter net 41 is disposed in parallel and in pairs, and the UV lamp tube 42 is disposed between the two photolysis catalytic filter nets 41. The photolysis catalytic filter 41 generally adopts a metal filter and the surface of the metal filter is coated with a photocatalyst to catalyze the reaction between the exhaust gas molecules and the UV light; the metal filter screen is preferably an aluminum-based filter screen, and the photocatalyst is preferably titanium dioxide. The UV lamp 42 can emit ultraviolet light beams with a wavelength of 170-254 nm to irradiate the waste gas, and can crack ammonia, trimethylamine, hydrogen sulfide, methylthio hydrogen, methyl mercaptan, methyl sulfide, butyl acetate, ethyl acetate, dimethyl disulfide, carbon disulfide and carbon disulfide in the industrial waste gas in a certain irradiation time periodMolecular chain structure of styrene, sulfide, VOC, benzene, toluene and xylene, which degrades molecular chain of organic or inorganic polymer malodorous compound under irradiation of high-energy ultraviolet light beam to convert into low-molecular compound and CO2And H2O and the like, thereby realizing the purification treatment of the waste gas, and the photocatalyst on the photolysis catalysis filter screen 41 can accelerate the purification reaction. Realize sliding connection and UV photocatalytic purification subassembly 4 and take out from box 1 along the spout through the spout between UV photocatalytic purification subassembly 4 and the box 1, be convenient for change the photodissociation catalysis filter screen 41 and the UV fluorescent tube 42 in the UV photocatalytic purification subassembly 4.
As shown in fig. 1-2: the second filtering component 3 comprises an activated carbon net cage and activated carbon arranged in the activated carbon net cage, and is used for adsorbing waste gas after catalytic purification, sliding connection is realized between the second filtering component 3 and the box body 1 through a sliding groove, and the second filtering component 3 can be drawn out from the box body 1 along the sliding groove.
In actual operation, the drawing sides of the first filter component 2 and the UV photocatalytic purification component 4 can be fixed on the same panel, and the first filter component 2 and the UV photocatalytic purification component 4 are respectively connected with the box body 1 in a sliding mode through corresponding sliding grooves.
As shown in fig. 1: the negative pressure fan 5 is arranged at the rear end of the waste gas purification device, so that negative pressure is formed at the middle lower part of the inner cavity of the box body 1, waste gas is enabled to flow from the air inlet 11 to the air outlet 12 and sequentially passes through the first filtering component 2, the UV photocatalytic purification component 4 and the second filtering component 3, and the waste gas is purified step by step.
The waste gas purification device of the utility model adopts the first filtering component 2 to filter dust and particles in waste gas; the UV light is used for degrading and oxidizing organic or inorganic high molecular malodorous compounds in the waste gas to generate low molecular compounds and CO2And H2O and the like, thereby realizing the purification treatment of waste gas and the waste gas treatment mode of photolysis oxidation, and avoiding the phenomenon that the filtering device loses due to the blockage of small holes on a dust remover or a filter cloth by grease substances in the waste gas when a filter cartridge dust remover or a cloth bag dust remover is adopted for filtering in the prior artThe problem of efficiency; the second filtering component 3 is utilized to further adsorb the exhaust gas after catalytic purification; the waste gas purification device has the advantages of high purification efficiency, stable operation, compact structure, convenient installation and maintenance and the like, and is suitable for popularization and use.
The above embodiments are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical scheme according to the technical idea provided by the present invention all fall within the protection scope of the present invention; the technology not related to the utility model can be realized by the prior art.
Claims (10)
1. The utility model provides an exhaust gas purification device for nonmetal laser cutting equipment, includes box (1), its characterized in that: the air purifier is characterized in that the air inlet (11) and the air outlet (12) are arranged at the top of the box body (1) at the lower part of the box body (1), the first filtering component (2) adjacent to the air inlet (11) is arranged at the lower part of the inner cavity of the box body (1), the second filtering component (3) adjacent to the air outlet (12) is arranged at the upper part of the inner cavity of the box body (1), the negative pressure fan (5) is arranged above the UV photocatalytic purification component (4) and the UV photocatalytic purification component (4) above the first filtering component (2), and the second filtering component (3) is arranged above the air outlet of the negative pressure fan (5).
2. The exhaust gas purification apparatus for a non-metal laser cutting device according to claim 1, wherein: first filtering component (2) including one or polylith parallel arrangement first effect filter screen (21) and set up collection dirt drawer (22) in first effect filter screen (21) below, first effect filter screen (21) are located the upside of air inlet (11).
3. The exhaust gas purification apparatus for a non-metal laser cutting device according to claim 1, wherein: the second filtering component (3) comprises an activated carbon net cage and activated carbon arranged in the activated carbon net cage.
4. The exhaust gas purification apparatus for a non-metal laser cutting device according to claim 1, wherein: UV photocatalysis purifies subassembly (4) including photolysis catalysis filter screen (41) and UV fluorescent tube (42), photolysis catalysis filter screen (41) parallel sets up UV fluorescent tube (42) in pairs and between two photolysis catalysis filter screens (41).
5. The exhaust gas purification apparatus for a non-metal laser cutting device according to claim 4, wherein: the photolysis catalysis filter screen (41) adopts a metal filter screen and the surface of the metal filter screen is coated with photocatalyst.
6. The exhaust gas purification apparatus for a non-metal laser cutting device according to claim 5, wherein: the photolysis catalysis filter screen (41) adopts an aluminum-based filter screen and the surface of the aluminum-based filter screen is coated with titanium dioxide as a photocatalyst.
7. The exhaust gas purification apparatus for a non-metal laser cutting device according to claim 4, wherein: the UV lamp tube (42) can emit ultraviolet light beams with the wavelength of 170-254 nanometers.
8. The exhaust gas purification apparatus for a non-metal laser cutting device according to claim 1, wherein: the first filtering component (2) is in sliding connection with the box body (1) through a sliding groove, and the first filtering component (2) can be drawn out of the box body (1) along the sliding groove; the second filtering component (3) and the box body (1) are in sliding connection through the sliding groove, and the second filtering component (3) can be drawn out of the box body (1) along the sliding groove.
9. The exhaust gas purification apparatus for a non-metal laser cutting device according to claim 1, wherein: UV photocatalysis purifies between subassembly (4) and box (1) and realizes sliding connection and UV photocatalysis purifies subassembly (4) and can take out from box (1) along the spout through the spout.
10. The exhaust gas purifying apparatus for a non-metal laser cutting device according to any one of claims 1, 8, and 9, wherein: first filtering component (2) and UV photocatalysis purification subassembly (4) realize sliding connection through the spout between respectively and box (1), and the side of taking out of first filtering component (2) and UV photocatalysis purification subassembly (4) is fixed on same panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921604923.2U CN210905674U (en) | 2019-09-25 | 2019-09-25 | Waste gas purification device for nonmetal laser cutting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921604923.2U CN210905674U (en) | 2019-09-25 | 2019-09-25 | Waste gas purification device for nonmetal laser cutting equipment |
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| Publication Number | Publication Date |
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| CN210905674U true CN210905674U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921604923.2U Active CN210905674U (en) | 2019-09-25 | 2019-09-25 | Waste gas purification device for nonmetal laser cutting equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3944868A1 (en) * | 2020-07-29 | 2022-02-02 | Terminter S.r.l. | Multifunctional device for air treatment in healthcare and civil environments with rci technology (radiant catalytic ionization) |
-
2019
- 2019-09-25 CN CN201921604923.2U patent/CN210905674U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3944868A1 (en) * | 2020-07-29 | 2022-02-02 | Terminter S.r.l. | Multifunctional device for air treatment in healthcare and civil environments with rci technology (radiant catalytic ionization) |
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