Excimer exhaust treatment device
Technical Field
The utility model relates to a waste gas treatment equipment field especially relates to a waste gas treatment device for handling waste gas.
Background
After the industrial revolution, the heavy industry is vigorously developed in many areas in the world, so that more and more waste gas is generated, serious threat is caused to human health, the demand of people on the quality of life is increasingly improved along with the continuous forward development of the social and economic level, and the living environment of people is more and more concerned; the ultraviolet sterilization technology is widely applied in more and more fields, and particularly in the aspects of air sterilization, object surface sterilization and water treatment sterilization, the scientific principle of ultraviolet sterilization is as follows: mainly acts on DNA of microorganisms to destroy the structure of the DNA, so that the DNA loses the functions of reproduction and self-replication, thereby achieving the aim of sterilization and disinfection, and the ultraviolet sterilization has the advantages of no color, no smell and no chemical substance residue; the excimer is a generic term for a ground state molecule (lifetime 10-13s) with bound high energy states (lifetime 10-6 to 10-7s) and repulsion (weak binding), also known as triplet collision nonradiative recombination or atomic collision states. The excimer can be generated only under the condition of some special gas discharge, such as dielectric barrier discharge, high-energy electron beams, alpha particles, synchronous radiation, high-frequency discharge, microwave discharge, pulse discharge and the like, when in discharge, atoms are excited to a high electron energy level, the atoms in the excited state collide with atoms or molecules in the ground state to generate a molecule, partial energy is transferred by a third party to enable the molecule to be delayed from a high vibration excited state to a low vibration excited state, the molecule becomes relatively stable molecule, and simultaneously emits radiation with corresponding wavelength, the excimer has strong radiation power and high light efficiency, is a novel ultraviolet light source which is suitable for specific wavelength and high intensity required by photochemical reaction, and has better sterilization and disinfection effects.
Scientists in China also research and develop some equipment for waste gas treatment, but the practicality, cost performance, intellectuality and high comprehensive performance are rare, and the existing waste gas treatment equipment sucks odor from an air inlet of a box body and discharges the odor from an air outlet at the other end after reaction, so that the odor can be effectively removed. However, this structure has the drawbacks: firstly, odor is generally accompanied with dust, some odor with dust directly contacts with an ion generator, a great amount of dust can be adsorbed in the box body after a period of time, if the odor is not cleaned in time, the efficiency of waste gas treatment is reduced, and even the waste gas treatment device is damaged due to failure; secondly, the reaction time of the odor in the box body is too short, so that the odor is discharged out of the box body without being thoroughly removed, and meanwhile, a single ultraviolet lamp tube is adopted in the box body, so that the problem that the odor source is not thoroughly removed is easily caused.
SUMMERY OF THE UTILITY MODEL
the utility model aims at solving the problem that the lamp tube of the existing waste gas treatment equipment is more troublesome to replace and the waste gas source is not thorough, providing an excimer waste gas treatment device, having the effects of convenient lamp tube replacement and sufficient waste gas treatment.
in order to realize the above purpose, the utility model discloses a technical scheme is: an excimer waste gas treatment device comprises a square box body, wherein the left end and the right end of the box body are respectively provided with an air inlet and an air outlet, four corners of the bottom of the box body are respectively provided with a supporting leg, the box body is internally provided with a flow equalizing plate, a first filter plate, a discharging rod, a lamplight deodorizing component, a catalyst plate and a second filter plate in sequence along the gas flowing direction, the lamplight deodorizing component comprises at least two rows of drawer type ultraviolet lamp brackets, an ultraviolet combined lamp tube for enabling waste gas to generate optical reaction is transversely arranged on each ultraviolet lamp bracket, each ultraviolet combined lamp tube at least comprises a first ultraviolet lamp and a second ultraviolet lamp which are alternately arranged, the top end and the bottom end in the box body are respectively and correspondingly provided with a lamp bracket fixing groove, the section of the lamp bracket fixing groove is U-shaped, the ultraviolet lamp holder is connected with lamp holder fixing grooves at the top end and the bottom end in the box body in a plugging mode, and a box body door is hinged to the box body corresponding to the front end of the box body.
In order to further optimize the utility model, the following technical scheme can be preferably selected for use:
Preferably, the outer end faces of the air inlet and the air outlet are respectively provided with a flange plate which is matched with the outer end faces of the air inlet and the air outlet, the flange plates are used for modularly connecting the box bodies in series, and the air inlet and the air outlet are also provided with sampling valves.
preferably, the flow equalizing plate comprises a square flow equalizing plate frame, angle irons are arranged on the flow equalizing plate frame side by side at intervals, a flow equalizing gap is formed between every two adjacent angle irons, flow equalizing plate fixing grooves are correspondingly formed in the top end and the bottom end in the box body respectively, the cross section of each flow equalizing plate fixing groove is U-shaped, and the flow equalizing plate is connected with the flow equalizing plate fixing grooves in the top end and the bottom end in the box body in a plugging and unplugging mode.
Preferably, the ultraviolet lamp bracket is provided with a PVC mounting plate for mounting a lamplight power supply corresponding to one side of the box door, the PVC mounting plate is provided with an integrated power supply, the first ultraviolet lamp adopts a 172 common ultraviolet lamp tube which emits 172mm wavelength ultraviolet light, the second ultraviolet lamp adopts a 185 high-pressure excimer lamp tube which emits 185mm wavelength high-intensity ultraviolet light, and the first ultraviolet lamp and the second ultraviolet lamp are electrically connected with the integrated power supply.
Preferably, the ultraviolet combined lamp tubes on two adjacent ultraviolet lamp holders have different installation heights.
Preferably, a ventilation exhaust fan is arranged at the bottom of the box body corresponding to the position below the power supply mounting frame.
Preferably, first filter includes square filter plate frame, is provided with the active carbon filtration sponge layer that 20mm is thick on the filter plate frame, top and bottom correspond respectively in the box and are equipped with the filter fixed slot, and filter fixed slot cross-section is the U-shaped, and first filter is connected with the filter fixed slot of top and bottom in the box with the mode of plug, the second filter is the same with first filter plate structure and all sets up in the box through the mode of plug.
Preferably, the catalyst plate comprises a square catalyst plate frame, a nano-scale titanium dioxide plate is arranged on the catalyst plate frame, catalyst plate fixing grooves are correspondingly formed in the top end and the bottom end in the box body respectively, the cross section of each catalyst plate fixing groove is U-shaped, and the catalyst plate is connected with the catalyst plate fixing grooves in the top end and the bottom end in the box body in a plugging and unplugging mode.
Preferably, the bottom of the box body is also provided with a vent valve.
The utility model has the advantages that:
1. The utility model adopts a multi-layer filtering structure such as a flow equalizing plate, a first filter screen, a discharge rod, a light deodorization component, a catalyst plate, a second filter screen and the like to deodorize and filter the waste gas, thereby ensuring the full filtration and deodorization of the waste gas; the deodorization assembly of the utility model adopts a plug-in mode to install a plurality of movable drawer type ultraviolet lamp sets, which is convenient for the lamp tube to be drawn out and replaced for quick replacement when the lamp light is damaged; by alternately installing the 172 common ultraviolet lamp tube and the 185 high-pressure excimer lamp tube in the ultraviolet lamp group, an odor source can be thoroughly removed, and the whole set of equipment product is economical and inexpensive.
2. In the ultraviolet lamp group, the adjacent two groups of drawer lamp tubes are staggered up and down, thereby effectively reducing wind resistance and improving deodorization efficiency; the box bodies are modularized by arranging the flange plates at the air inlet and the air outlet of the box bodies, so that a plurality of box bodies can be conveniently connected in series for use, and odor of various scales can be treated; the flow equalizing plate, the filter screen and the catalyst plate are all movable drawer type, and are convenient to be drawn out for cleaning.
Drawings
FIG. 1 is a schematic view of the overall structure of an exhaust gas treatment device;
FIG. 2 is a top view of the housing of the exhaust treatment device;
FIG. 3 is a left side view of the case;
FIG. 4 is a schematic view of the internal structure of the case;
FIG. 5 is a schematic view of the structure of the flow equalizing plate;
FIG. 6 is a schematic view of a filter screen;
Fig. 7 is a schematic view of a discharge rod structure.
wherein, 1-box, 2-air inlet, 3-air outlet, 4-flow equalizing board, 5-first filter plate, 6-discharging rod component, 7-light deodorizing component, 8-catalyst plate, 9-second filter plate, 10-supporting leg, 11-emptying valve, 12-handle, 13-172 common ultraviolet lamp tube, 14-185 high-pressure excimer lamp tube, 15-flow equalizing board fixing groove, 16-first filter plate fixing groove, 17-discharging rod component fixing groove, 18-lamp holder fixing groove, 19-catalyst plate fixing groove, 20-second filter plate fixing groove, 21-box door, 22-ventilating exhaust fan, 23-flange plate, 24-PVC plate, 25-integrated power supply, 401-flow equalizing board frame, 402-angle plate, 501-a filter plate frame, 502-an active carbon filter sponge layer, 601-a discharge rod frame, 602-a discharge rod and 603-a discharge rod power supply.
Detailed Description
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
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 work belong to the protection scope of the present invention.
Examples
As shown in fig. 1-7, an excimer exhaust gas treatment device comprises a square box body 1, wherein the box body is made of a stainless steel plate with the thickness of 2mm, so that the strength and the corrosion resistance of the box body are ensured; the two ends of the left and right deodorization bodies are respectively provided with an air inlet 2 and an air outlet 3, the pollution waste odor to be treated enters the box body from the air inlet 2 through air supply equipment for treatment, the front side of the box body is provided with a box body door 21, the space of the box body can be opened through the box body door 21 so as to maintain and clean the box body, the flow equalizing plate 4, the first filter plate 5, the discharging rod assembly 6, the light deodorization assembly 7, the catalyst plate 8 and the second filter screen 9 are sequentially arranged in the box body along the flowing direction of waste gas, the flow equalizing plate 4 comprises a square flow equalizing plate frame 401, angle plates 402 made of 3# angle iron are transversely arranged on the flow equalizing plate frame side by side at intervals, a flow equalizing gap is formed between every two adjacent angle plates 402, the flow equalizing plate 4 can play a role of uniformly distributing the waste gas flow, the filter box has the advantages of simple structure, low price, convenient installation and easy replacement, and can play a role in protecting the filter device in the box body to a certain extent; the top and the bottom correspond respectively in the box and are equipped with flow equalizing plate fixed slot 15, and flow equalizing plate fixed slot 15 cross-section is the U-shaped, and the mode of plug is used to flow equalizing plate and the flow equalizing plate fixed slot of top and bottom in the box to be connected, installs the mode through the plug and can conveniently dismantle cleanness and change the maintenance to flow equalizing plate.
First filter 5 includes square filter frame 501, filter frame 501 adopts thick 1.5 mm's stainless steel plate to make, install the thick active carbon of 20mm on the filter frame and filter sponge layer 502, filter waste residue in the sponge layer 502 to waste gas through the active carbon, the tiny particle filters, top and bottom correspond respectively in the box are equipped with first filter fixed slot 16, 16 cross-sections in first filter fixed slot are the U-shaped, first filter is connected with the filter fixed slot of top and bottom in the box with the mode of plug, it can conveniently dismantle cleanness and change active carbon filter sponge layer 502 to the filter to install through the mode of plug.
Discharging rod subassembly 6 includes discharging rod frame 601, discharging rod 602 is installed at the interval on discharging rod frame 601, discharging rod power 603 is installed to last relative box door one side of discharging rod frame 601, supply power to discharging rod through discharging rod power 603, and then handle waste gas, top and bottom correspond respectively in the box are equipped with discharging rod subassembly fixed slot 15, discharging rod subassembly 6 fixed slot 15 cross-section is the U-shaped, discharging rod subassembly 6 is connected with the discharging rod subassembly fixed slot 17 of top and bottom in the box with the mode of plug, install the mode through the plug and can conveniently dismantle the installation and change the maintenance to discharging rod.
the light deodorization component 7 comprises two groups of drawer-type ultraviolet lamp brackets, the 172 common ultraviolet lamp tubes 13 and the 185 high-pressure excimer lamp tubes 14 on the ultraviolet lamp brackets are alternately arranged, so that an odor source can be fully removed, the whole set of equipment of the colleagues is reasonable in price, and the market competitiveness is realized; silicone rubber pads are arranged on the ultraviolet lamp holder corresponding to the lamp holder and the lamp tail, so that the stability of the installation of the lamp tube is ensured; meanwhile, the height difference exists between the adjacent ultraviolet lamp tubes due to the inconsistent installation height, the wind resistance can be effectively reduced through the difference of the installation height, the waste gas can be fully treated by the ultraviolet lamp tubes, and the deodorization efficiency is improved; a PVC mounting plate 24 for mounting a lamplight power supply is mounted on one side of the ultraviolet lamp holder corresponding to the box door, an integrated power supply 25 is mounted on the corresponding outer side of the PVC mounting plate 24, the 172 common ultraviolet lamp tube 13 and the 185 high-pressure excimer lamp tube 14 are electrically connected with the integrated power supply 25, lamp holder fixing grooves 18 are correspondingly formed in the top end and the bottom end in the box body respectively, the cross section of each lamp holder fixing groove 18 is U-shaped, the ultraviolet lamp holder is connected with the lamp holder fixing grooves in the top end and the bottom end in the box body 1 in a plugging mode, and the lamp tubes can be; after odor is collected through a pipe network, the odor is pumped into the equipment of the invention through a deodorizing fan, high-intensity ultraviolet light with different monochromatic wavelengths (172 mm and 185 mm) is obtained by adopting different excimer masonry, photochemical reaction which is difficult to realize or can not be realized at all by a traditional ultraviolet light source can be initiated, generated ozone and OH (hydroxyl radical) carry out synergistic decomposition oxidation reaction on malodorous gas, meanwhile, macromolecular malodorous gas breaks a chain structure under the action of ultraviolet light, the molecular bond of complex pollutants in the waste gas is opened by utilizing the action of the excimer ultraviolet light source, then, the macromolecular pollutants are mineralized into harmless substances such as H2O, CO2 and the like through the oxidation reaction of active oxygen atoms and hydroxyl radicals, and the purified gas is discharged into the atmosphere through a chimney; the whole decomposition and oxidation process is completed within 1 second, and by utilizing the principle that high-energy ultraviolet light beams in the prior art cause ozone to be generated, the malodorous gases are decomposed into micromolecular substances from macromolecular substances under the action of the ozone until the malodorous gases are mineralized.
The catalyst board includes the catalyst board frame, installs nanometer titanium dioxide board on the catalyst board frame, can carry out separation and reflection to the ultraviolet ray through nanometer titanium dioxide board, and then carries out abundant processing to waste gas, and top and bottom correspond respectively in the box are equipped with catalyst board fixed slot 19, and 19 cross-sections in catalyst board fixed slot are the U-shaped, installs through the mode of plug and can conveniently dismantle the installation and change the maintenance to the catalyst board. The second filter plate 9 has the same structure as the first filter plate 5 and is installed in the box body in a plugging mode, the top end and the bottom end in the box body are respectively and correspondingly provided with a second filter plate fixing groove 20, the section of the second filter plate fixing groove 20 is U-shaped, and the filter plates can be conveniently disassembled, cleaned and replaced by the activated carbon filtering sponge layer 502 through installation in the plugging mode; the flange plates 23 with the same specification and size are arranged at the air outlet 2 and the air inlet 3, and the box bodies are modularized, so that a plurality of box bodies can be conveniently connected in series for use, and odor of various scales can be treated; meanwhile, sampling valves with the model number of DN25 are arranged at the air inlet and the air outlet, and the waste gas treatment degree can be detected in a sampling manner through the sampling valves; the four corners of the bottom of the box body are provided with the supporting legs 10, the stability of the box body 1 is enhanced through the supporting legs, meanwhile, the bottom of the box body is paved with glass fiber reinforced plastics which have an anti-corrosion function, the lower end of the glass fiber reinforced plastics is provided with the vent valve 11, waste liquid or condensed water in the box body 1 is discharged through the vent valve 11, and therefore the influence on the normal work of the box body 1 is avoided; meanwhile, each drawer type ultraviolet lamp bracket in the box body adopts a plug which is rapidly inserted to carry out power input, so that the normal work of the equipment is ensured, the outer side of each inserted movable drawer is provided with a handle 12, and the operation of personnel is facilitated through the handle 12; the ventilation exhaust fan 22 is relatively installed corresponding to one side of the position of the PVC plate 24 in the box body 1, the integrated power supply is cooled through the ventilation exhaust fan 22, and the condition that heat is accumulated due to overlong working time is prevented from occurring.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.