CN207307582U - A kind of exhaust-gas treatment UV photocatalytic oxidation devices - Google Patents

A kind of exhaust-gas treatment UV photocatalytic oxidation devices Download PDF

Info

Publication number
CN207307582U
CN207307582U CN201721079445.9U CN201721079445U CN207307582U CN 207307582 U CN207307582 U CN 207307582U CN 201721079445 U CN201721079445 U CN 201721079445U CN 207307582 U CN207307582 U CN 207307582U
Authority
CN
China
Prior art keywords
cabinet
tube rack
exhaust
installation
gas treatment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201721079445.9U
Other languages
Chinese (zh)
Inventor
陈伟
于静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Zhicheng Environmental Engineering Technology Co.,Ltd.
Original Assignee
Weifang Zhicheng Environmental Protection Technology Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weifang Zhicheng Environmental Protection Technology Engineering Co Ltd filed Critical Weifang Zhicheng Environmental Protection Technology Engineering Co Ltd
Priority to CN201721079445.9U priority Critical patent/CN207307582U/en
Application granted granted Critical
Publication of CN207307582U publication Critical patent/CN207307582U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The utility model belongs to waste gas treatment equipment technical field, provide a kind of exhaust-gas treatment UV photocatalytic oxidation devices, including the purification cabinet with an air inlet and air outlet and the installation cabinet positioned at purification cabinet side, some first slide grooves are equipped with purification cabinet, tube rack is slidably fitted with first slide groove, purification cabinet offers the tube rack mounting hole being correspondingly arranged with tube rack close to the side of installation cabinet, and will purify cabinet by tube rack mounting hole and install the connects with the internal cavities of cabinet;Some UV lamp pipes are mounted on per tube rack, and one end of tube rack is equipped with the attaching plug of connection corresponding with every UV lamp pipe, attaching plug is in installation cabinet.The utility model is small, strong applicability and operating cost is low, without carrying out special pre-treatment and any reactive material of addition, improves purification and the deodorizing effect of exhaust-gas treatment.

Description

A kind of exhaust-gas treatment UV photocatalytic oxidation devices
Technical field
It the utility model is related to waste gas treatment equipment technical field, and in particular to a kind of UV photochemical catalytic oxidations of exhaust-gas treatment Device.
Background technology
Exhaust-gas treatment is primarily referred to as the industrial waste gas that produces for industrial site such as dust particle, flue gas flue dust, different The work that taste gas, toxic and harmful gas are administered, and realize the volatile organic matter contained in exhaust gas, hydrogen sulfide, ammonia Deng effective purified treatment of inorganic matter pollutant and various foul smells, being that current exhaust-gas treatment is urgently to be resolved hurrily mainly asks Topic.
Waste gas treatment equipment of the prior art, though realizing effective processing of exhaust gas to a certain extent, we are in day Found in normal use, it still suffers from following defect:1st, volume is big, complicated, and manufacture is of high cost;2nd, the evil contained for exhaust gas The deodorising effect unobvious of stink, still need to be further improved;3rd, use mechanical device, operating noise is big, and manipulation inconvenience, needs more Personal management and regular maintenance, and maintenance and repair is difficult;4th, before waste gas purification processing is realized, need to be added according to demand The special pretreating process such as temperature, humidification, technique is cumbersome and high energy consumption;5th, it is more that exhaust gas is realized using materials such as addition activated carbons Purified treatment, the waste product produced after use can cause secondary pollution.
Therefore, a kind of exhaust-gas treatment UV photocatalytic oxidation devices are developed, not only with urgent researching value, it may have Good economic benefit and commercial application potentiality, this is exactly where the power that the utility model is accomplished and basis.
Utility model content
For in the prior art the defects of, the utility model provides a kind of exhaust-gas treatment UV photocatalytic oxidation devices, body Product is small, strong applicability and operating cost is low, without carrying out special pre-treatment and any reactive material of addition, improves exhaust-gas treatment Purification and deodorising effect.
The utility model provides a kind of exhaust-gas treatment UV photocatalytic oxidation devices, including with an air inlet and outlet air The purification cabinet of mouth and the installation cabinet positioned at the purification cabinet side, the purification cabinet is interior to be equipped with some first slideways Groove, tube rack is slidably fitted with first slide groove, and the purification cabinet is offered close to the side of the installation cabinet The tube rack mounting hole being correspondingly arranged with the tube rack, and by the tube rack mounting hole by the purification cabinet and described The connects with the internal cavities of cabinet is installed;
Some UV lamp pipes are mounted on per the tube rack, and one end of the tube rack is equipped with and every UV lamp pipe The attaching plug of corresponding connection, the attaching plug is in the installation cabinet.
As an improvement technical solution, distinguish at the air inlet and gas outlet position in the purification cabinet Equipped with the second slide groove, filter cotton is slidably fitted with second slide groove, the both sides of the tube rack mounting hole are opened respectively Equipped with the filter cotton mounting hole being correspondingly arranged with the filter cotton.
As an improvement technical solution, some first slide grooves and second slide groove are respectively at described net To change in cabinet and be correspondingly arranged up and down, the tube rack is slidably installed between two first slide grooves being correspondingly arranged, The filter cotton is slidably installed between two second slide grooves being correspondingly arranged.
As an improvement technical solution, it is described purification cabinet both ends be equipped with installation edge, it is described installation along and institute State and be equipped with installation gap between purification cabinet, and the installation is along above offering some flange mounting holes.
As an improvement technical solution, the tube rack is equipped with some fluorescent tube installed parts, some UV lamp pipes Uniformly it is installed on the tube rack by the fluorescent tube installed part.
As an improvement technical solution, between the tube rack and the tube rack mounting hole and the filter cotton with Fluid sealant is coated between the filter cotton mounting hole.
As an improvement technical solution, it is described installation cabinet both sides offer radiator window, the installation cabinet Bottom plate on offer at least one heat emission fan mounting hole, radiator fan is installed in the heat emission fan mounting hole.
As an improvement technical solution, it is described installation cabinet on be hinged with explosion proof door.
Due to being had the advantages that using above technical scheme, the utility model;
The purified treatment to exhaust gas is realized using some UV lamp pipes being provided with tube rack, compares traditional big machinery Device realizes the mode of exhaust-gas treatment, and not only small, floor space is small, from heavy and light, and without motion noise, without personal management And regular maintenance, maintenance only need to be inspected periodically, substantially reduces maintenance and energy consumption cost;At exhaust gas based on the structure Manage device, when installing and using, only corresponding exhaust duct and Exhaust Pressure need to be set, without adding any material, avoid because The secondary pollution problem produced after additive use, without progress before carrying out purified treatment is as special such as heating, humidification etc. Pretreating process, manipulation is simple, strong applicability.
Utility model works are in use, exhaust gas is passed through from air inlet, UV light beam energy that some UV lamp pipes for being equipped with produce The enough exhaust gas to passing through cracks, and makes organic or inorganic macromolecule exhaust gas compound molecule chain in the photograph of high energy ultraviolet Line beam To penetrate down, degraded is changed into low molecular compound, so as to fulfill the purified treatment of exhaust gas, meanwhile, the high energy UV light beams of generation can The oxygen molecule decomposed in air produces free oxygen (active oxygen), and the free oxygen of generation is combined with oxygen molecule, and then produces ozone, right Organic matter after the irradiation of UV light beams is decomposed has extremely strong oxidation, has to foul gas and other irritation peculiar smell good Eliminate effect, UV light beams and ozone foul waste gas is carried out collaboration decompose oxidation under the action of, removed so as to fulfill to exhaust gas Smelly and purification Duplex treatment effect, the low molecular compound that such as carbon dioxide, water generated after processing does not have pollution are arranged certainly Gas port is discharged, and security performance is high.
In the utility model, the tube rack of UV lamp pipe is installed, the mounting means plugged by drawer type is implemented in first Installation in slide groove, and the attaching plug for connecting UV lamp pipe is located in installation cabinet, accessory is unified, installs and easy to maintain, Spare part can on-line maintenance and replacement, it is convenient, flexible.
In the utility model, the filter cotton that is provided with close to air inlet and gas outlet can be to the impurity that contains in exhaust gas Particle is filtered out, and avoids impurity particle from being influenced caused by UV lamp pipe, and to realize the deodorization of exhaust gas purification, provide can By ensureing.
In the utility model, the installation being equipped with is easy to implement the connection of the device and other equipment or passage, makes along structure It is convenient that installation operation must be connected, it is highly practical.
In the utility model, it is coated between tube rack and tube rack mounting hole between filter cotton and filter cotton mounting hole Some fluid sealants, realize purification cabinet and install effective sealing between cabinet, exhaust gas leakage is avoided into installation cabinet, to ring Injured caused by border and attended operation personnel.
In the utility model, the cabinet both sides radiator window offered and the radiator fan being provided with are installed, realized to peace Effective radiating and cooling of each component, the normal work for each component of device provide guarantee, extend each component in installation case Service life.
In the utility model, the explosion proof door being hinged with cabinet is installed, realizes the safety to bulking block and personnel Protection, while to safeguard that replacement operation is provided convenience.
In conclusion the utility model is small, from heavy and light, occupy little space, strong applicability and operating cost is low, without Special pre-treatment and any reactive material of addition are carried out, purification and the deodorising effect of exhaust-gas treatment is improved, meets people couple The use demand of exhaust air deodorization purification.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical solution of the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all of the figs, it is similar Element or part are generally identified by similar reference numeral.In attached drawing, each element or part might not be according to actual ratios Draw.
Fig. 1 is the structure diagram of the utility model;
Fig. 2 is the positive structure diagram of the utility model;
Fig. 3 is the left view structural representation of the utility model;
Fig. 4 is the enlarged structure schematic diagram of the utility model UV lamp pipe installation;
Reference numeral:1- purifies cabinet;101- tube rack mounting holes;102- filter cotton mounting holes;2- installs cabinet;201- Radiator window;202- heat emission fan mounting holes;The first slide grooves of 3-;4- tube racks;5-UV fluorescent tubes;6- attaching plugs;The second slideways of 7- Groove;8- installs edge;801- flange mounting holes;9- fluorescent tube installed parts;10- explosion proof doors;11- radiator fans.
Embodiment
The embodiment of technical solutions of the utility model is described in detail below in conjunction with attached drawing.Following embodiments are only For clearly illustrating the technical solution of the utility model, therefore example is only used as, and this practicality cannot be limited with this New protection domain.
As shown in Figure 1 and Figure 4, the utility model provides a kind of exhaust-gas treatment UV photocatalytic oxidation devices, including tool There are the purification cabinet 1 of an air inlet and air outlet and the installation cabinet 2 positioned at 1 side of purification cabinet, if being equipped with purification cabinet 1 Dry first slide groove 3, some first slide grooves 3 respectively at being correspondingly arranged up and down in purification cabinet 1, slide by two first be correspondingly arranged Tube rack 4 is slidably fitted between road groove 3, purification cabinet 1 offers set corresponding with tube rack 4 close to the side of installation cabinet 2 The tube rack mounting hole 101 put, and cabinet 1 will be purified by tube rack mounting hole 101 and the internal cavities company of cabinet 2 is installed It is logical;Per being equipped with some fluorescent tube installed parts 9 on tube rack 4, if tube rack 4 by equipped with some fluorescent tube installed parts 9 be provided with Dry UV lamp pipe 5, and one end of tube rack 4 is equipped with the attaching plug 6 of connection corresponding with every UV lamp pipe 5, attaching plug 6 is positioned at installation In cabinet 2.
Be respectively equipped with the second slide groove 7 in purification cabinet 1 at air inlet and gas outlet position, the second slide groove 7 in It is correspondingly arranged up and down in purification cabinet 1, filter cotton, tube rack peace is slidably fitted between two second slide grooves 7 being correspondingly arranged The both sides in dress hole 101 offer the filter cotton mounting hole 102 being correspondingly arranged with filter cotton respectively;Pacify close to air inlet and gas outlet The filter cotton being equipped with, can filter out the impurity particle contained in exhaust gas, avoid impurity particle from being caused to UV lamp pipe 5 Influence, to realize that the deodorization of exhaust gas purification provides reliable guarantee, more clearly to represent the structure of the device and each structure Connection relation between part, filter cotton is not shown in the drawings in the present embodiment.
The device is installed or safeguarded when replacing, and can will directly be provided with the tube rack 4 of UV lamp pipe 5 from tube rack mounting hole 101 load, in being mounted in the first slide groove 3, by filter cotton from equipped with filter cotton mounting hole 102 load, slided in second It is mounted in road groove 7, after installation is complete, is installed between tube rack 4 and tube rack mounting hole 101 with filter cotton with filter cotton Fluid sealant is coated between hole 102, the fluid sealant being coated with, realizes purification cabinet 1 and installs effective sealing between cabinet 2, Exhaust gas leakage is avoided into installation cabinet 2, the injury caused by environment and attended operation personnel.
The purified treatment to exhaust gas is realized using some UV lamp pipes 5 being provided with tube rack 4, compares traditional large scale computer Tool device realizes the mode of exhaust-gas treatment, and not only small, floor space is small, from heavy and light, and without motion noise, managed without special messenger Reason and regular maintenance, only need to inspect periodically maintenance, substantially reduce maintenance and energy consumption cost;Exhaust gas based on the structure Processing unit, when installing and using, only need to set corresponding exhaust duct and Exhaust Pressure, without adding any material, avoid It is special without carrying out such as heating, humidification before purified treatment is carried out because of the secondary pollution problem produced after additive use Pretreating process, manipulation is simple, strong applicability.
In the present embodiment, the tube rack 4 of UV lamp pipe 5 is installed, the mounting means plugged by drawer type is implemented in first Installation in slide groove 3, and the attaching plug 6 for connecting UV lamp pipe 5 is located in installation cabinet 2, accessory is unified, installation and maintenance side Just, spare part can on-line maintenance and replacement, it is convenient, flexible.
For ease of realizing the connection of the device and other equipment or passage so that connection installation operation is convenient, the present embodiment In, the both ends of purification cabinet 1 are equipped with installation along 8, install along being equipped with installation gap between 8 and purification cabinet 1, and install along 8 On offer some flange mounting holes 801.
The both sides of installation cabinet 2 offer radiator window 201, install and offer at least one heat dissipation on the bottom plate of cabinet 2 Mounting hole 202 is fanned, radiator fan 11, the radiator window 201 that 2 both sides of installation cabinet offer are installed in heat emission fan mounting hole 202 And the radiator fan 11 being provided with, effective radiating and cooling to each component in installation cabinet 2 is realized, for each component of device just Often work provides guarantees, extends the service life of each component, in the present embodiment, heat emission fan mounting hole 202 equipped with two, and Set respectively positioned at installation 2 bottom plate of cabinet by two close end, radiator fan 11 can use commercially available common heat emission fan;Cabinet 2 is installed On be hinged with explosion proof door 10, in the present embodiment, the explosion proof door 10 being hinged with cabinet 2 is installed, realize to bulking block and The safeguard protection of personnel, while to safeguard that replacement operation is provided convenience.
Exhaust-gas treatment UV photocatalytic oxidation devices based on said structure, can efficiently remove volatile organic matter, The organic matter pollutant such as hydrogen sulfide, ammonia, and various foul smells, deodorization efficiency reach as high as more than 99%, can be applied to Most high concentrations, atm number, the deodorization purified treatment of different foul gas materials, strong applicability, passes through rational module Configuration can be widely applied to:The deodorization and sterilization of the foul gas such as oil plant, rubber plant, chemical plant, pharmaceutical factory, garbage transfer station is net Change is handled, and can daily 24 continuous throughout the twenty-four hour24, operate steadily reliable, maintenances need to be only inspected periodically in operational process, safeguard with Energy consumption cost is low (often handling 1000 cubes ms/h, only about 0.2 degree of electric energy of power consumption), and windage is extremely low, less than 50pa, can save A large amount of air draft power energy consumptions, achieve the purpose that energy saving;Through constantly practice, which spends between 95 degree in temperature -30, and humidity exists 30%-98%, pH value can work normally in the range of 2-13, without adding other materials and medicament participation processing.
In use, exhaust gas is passed through from air inlet, UV light beams that some UV lamp pipes 5 for being equipped with produce can be to passing through for work Exhaust gas is cracked, and makes organic or inorganic macromolecule exhaust gas compound molecule chain under the irradiation of high energy ultraviolet Line beam, degraded It is changed into low molecular compound, so as to fulfill the purified treatment of exhaust gas, meanwhile, the high energy UV light beams of generation, can decompose air In oxygen molecule produce free oxygen (active oxygen), the free oxygen of generation combined with oxygen molecule, and then generation ozone, to UV light beams photograph The organic matter penetrated after decomposing has extremely strong oxidation, and effect is eliminated with good to foul gas and other irritation peculiar smell Fruit, under the action of UV light beams and ozone carry out foul waste gas collaboration decomposition oxidation, so as to fulfill to exhaust air deodorization and purification Duplex treatment effect, such as carbon dioxide, water generated after processing do not have the low molecular compound of pollution and discharged from exhaust outlet, Security performance is high.
Finally it should be noted that:Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System;Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should Understand:It can still modify the technical solution described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical solution of type, it should all cover among the claim of the utility model and the scope of specification.

Claims (8)

  1. A kind of 1. exhaust-gas treatment UV photocatalytic oxidation devices, it is characterised in that:Including net with an air inlet and air outlet Change cabinet and the installation cabinet positioned at the purification cabinet side, some first slide grooves are equipped with the purification cabinet, it is described Tube rack is slidably fitted with first slide groove, the purification cabinet offers and the lamp close to the side of the installation cabinet The tube rack mounting hole that pipe support is correspondingly arranged, and cabinet and the installation cabinet are purified by described by the tube rack mounting hole Connects with the internal cavities;
    Some UV lamp pipes are mounted on per the tube rack, and one end of the tube rack is equipped with corresponding with every UV lamp pipe The attaching plug of connection, the attaching plug is in the installation cabinet.
  2. 2. exhaust-gas treatment according to claim 1 UV photocatalytic oxidation devices, it is characterised in that:In the purification cabinet The second slide groove is respectively equipped with the air inlet and air outlet position, filtering is slidably fitted with second slide groove Cotton, the both sides of the tube rack mounting hole offer the filter cotton mounting hole being correspondingly arranged with the filter cotton respectively.
  3. 3. exhaust-gas treatment according to claim 2 UV photocatalytic oxidation devices, it is characterised in that:Some described first slide Road groove and second slide groove are correspondingly arranged up and down respectively in the purification cabinet, and the tube rack is respectively at being correspondingly arranged Two first slide grooves between be slidably installed, the filter cotton is between two second slide grooves being correspondingly arranged It is slidably installed.
  4. 4. exhaust-gas treatment according to claim 3 UV photocatalytic oxidation devices, it is characterised in that:The purification cabinet Both ends are equipped with installation edge, and the installation between the purification cabinet along being equipped with installation gap, and the installation is along above opening up There are some flange mounting holes.
  5. 5. exhaust-gas treatment according to claim 1 UV photocatalytic oxidation devices, it is characterised in that:Set on the tube rack There are some fluorescent tube installed parts, some UV lamp pipes are uniformly installed on the tube rack by the fluorescent tube installed part.
  6. 6. exhaust-gas treatment according to claim 3 UV photocatalytic oxidation devices, it is characterised in that:The tube rack and institute State and be coated with fluid sealant between the filter cotton and the filter cotton mounting hole between tube rack mounting hole.
  7. 7. exhaust-gas treatment according to claim 6 UV photocatalytic oxidation devices, it is characterised in that:The installation cabinet Both sides offer radiator window, and at least one heat emission fan mounting hole, the heat emission fan are offered on the bottom plate of the installation cabinet Radiator fan is installed in mounting hole.
  8. 8. exhaust-gas treatment according to claim 1 UV photocatalytic oxidation devices, it is characterised in that:On the installation cabinet It is hinged with explosion proof door.
CN201721079445.9U 2017-08-25 2017-08-25 A kind of exhaust-gas treatment UV photocatalytic oxidation devices Active CN207307582U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721079445.9U CN207307582U (en) 2017-08-25 2017-08-25 A kind of exhaust-gas treatment UV photocatalytic oxidation devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721079445.9U CN207307582U (en) 2017-08-25 2017-08-25 A kind of exhaust-gas treatment UV photocatalytic oxidation devices

Publications (1)

Publication Number Publication Date
CN207307582U true CN207307582U (en) 2018-05-04

Family

ID=62433313

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721079445.9U Active CN207307582U (en) 2017-08-25 2017-08-25 A kind of exhaust-gas treatment UV photocatalytic oxidation devices

Country Status (1)

Country Link
CN (1) CN207307582U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109758906A (en) * 2019-03-21 2019-05-17 张家港澳卓尔环保设备有限公司 A kind of upright type photocatalytic oxidation unit of band drainage draining

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109758906A (en) * 2019-03-21 2019-05-17 张家港澳卓尔环保设备有限公司 A kind of upright type photocatalytic oxidation unit of band drainage draining

Similar Documents

Publication Publication Date Title
CN204247050U (en) A kind of sludge drying produces foul gas UV photodissociation cleaning equipment
CN205412680U (en) Air cleaning device
CN207970699U (en) A kind of combined type exhaust gas purification device
CN207970701U (en) A kind of waste gas purification apparatus
WO2022151699A1 (en) Combined modular integrated machine for efficient purification of exhaust gas
CN207307582U (en) A kind of exhaust-gas treatment UV photocatalytic oxidation devices
CN210434281U (en) Environmental protection adsorbs formula industrial waste gas processing apparatus
CN215692527U (en) Garbage station deodorization sterilizing equipment
CN106345252A (en) Plasma composite device
CN206823544U (en) The catalyzing integrated machine of plasma light
CN213853900U (en) Integrated form VOC exhaust treatment device
CN211988571U (en) Equipment for ultraviolet light beam irradiation to generate high-efficiency reaction
CN209221845U (en) Efficient UV photooxidation catalytic cleaner
CN207102274U (en) Gas cleaning plant
CN204337990U (en) A kind of UV photodissociation cleaning equipment processing petrifaction sewage stench
CN211274227U (en) Organic waste gas treatment system
CN202778239U (en) High-efficiency and energy-saving odorous waste gas purifying processing device
CN108722175A (en) Volatide organic waste gas treating system and method
CN201012318Y (en) Smoke and industry compounds gas photodecomposition purifier
CN211799941U (en) Effectual UV photodissociation exhaust-gas treatment equipment
CN210057798U (en) Plant deodorization treatment facility
CN209952592U (en) VOCs processing system of rubber processing industry
CN210613379U (en) Photolysis catalysis odour removal device
CN206414949U (en) A kind of plasma Composite formula equipment
CN216716458U (en) Negative pressure fresh air ion deodorization system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 261021 Pauli Wutong 706, Yongan Road, Weicheng District, Weifang, Shandong, 706

Patentee after: Shandong Zhicheng Environmental Engineering Technology Co.,Ltd.

Address before: 261057 room 402, building 2, Huashi community, 210 Beigong West Street, Weicheng District, Weifang City, Shandong Province

Patentee before: WEIFANG ZHICHENG ENVIRONMENTAL PROTECTION TECHNOLOGY ENGINEERING Co.,Ltd.