CN205995166U - A kind of gas filtration dust arrester - Google Patents

A kind of gas filtration dust arrester Download PDF

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Publication number
CN205995166U
CN205995166U CN201621027966.5U CN201621027966U CN205995166U CN 205995166 U CN205995166 U CN 205995166U CN 201621027966 U CN201621027966 U CN 201621027966U CN 205995166 U CN205995166 U CN 205995166U
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China
Prior art keywords
filter layer
filter
layer
blowback
dust arrester
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Active
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CN201621027966.5U
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Chinese (zh)
Inventor
王兴云
丁叶林
诸新伟
王筱吟
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Jiangyin far track environmental protection technology Co., Ltd.
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Zhejiang Reed Environmental Protection Equipment Co Ltd
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Abstract

This utility model provides a kind of gas filtration dust arrester, defecator including shell with located inside the shell, defecator includes the first filter layer and the second filter layer, first filter layer is above the second filter layer, defecator bottom is provided with blowback air inlet, is provided with the supercharging layer strengthening the first filter layer counter-blowing wind-pressure between the first filter layer and the second filter layer.By being provided with the supercharging layer strengthening the first filter layer counter-blowing wind-pressure between the first filter layer and the second filter layer, such first filter layer can obtain good counter-blowing wind-pressure in blowback, improve the blowback air quantity of the first filter layer, ensure that the dust on the first filter layer can be completely removed, to lift filter effect and filter efficiency.

Description

A kind of gas filtration dust arrester
Technical field
This utility model is related to gas filtration dedusting technology field, more particularly, to a kind of coal, chemical industry smoke filtration dedusting dress Put.
Background technology
In dedusting technology field, double filtering layer grain bed dedustings have unique technology advantage, filter and adopt thick, thin two kinds of filtrates Be placed in same filter bed, the coarse filtration bed of material upper, the fine filtering bed of material under, by depth filtration, deep bed filtration, filtered with reaching to cross well Dirt effect.
Existing pair of filtering layer grain bed cleaner unit, after long, on filtrate, collection has powder or dust, needs by blowback Powder on filtrate or dust are blown off, to ensure follow-up filter effect, can be by the powder on filtrate by arranging back-blowing device End or dust blow off, in commercial Application, because filter layer area is big, and be also impossible in filtration aspect Adsorption And Retention powder or Dust is completely uniform, and in reverse gas cleaning, upper strata filtrate simply fluidizes uniformly relatively, and the time is longer, and the uneven degree of fluidisation is bigger, So that the powder of the filtrate on upper strata or dust can not blow off well, have residual so that blowback effect is bad.
Utility model content
The purpose of this utility model is to provide a kind of gas filtration dust arrester that blowback effect is good, deashing is clean.
In order to achieve the above object, this utility model adopts the following technical scheme that:A kind of gas filtration dust arrester, including Shell and the defecator located inside the shell, defecator includes the first filter layer and the second filter layer, the first filter layer located at Above second filter layer, defecator bottom is provided with blowback air inlet, wherein, between described first filter layer and the second filter layer It is provided with the supercharging layer strengthening the first filter layer counter-blowing wind-pressure.
Further, described supercharging layer includes connecting the passage of the first filter layer and the second filter layer, is provided with increasing in passage It is pressed into QI KOU.
Further, described supercharging layer includes stretching into the super charge pipe in passage, and super charge mouth is located at super charge Guan Shang.
Further, described super charge mouth is towards the first filter layer.
Further, described super charge pipe is provided with multiple super charge mouths.
Further, described blowback air inlet connects blowback air inlet pipe, and super charge mouth is connected with blowback air inlet pipe.
Further, described supercharging layer include passage, passage be provided with the first connector connecting with the first filter layer and with Second connector of the second filter layer connection, the area of the first connector is less than the area of the second connector.
Further, the area equation of the filter area of described first filter layer and the first connector.
Further, described passage is in up-small and down-big taper.
Further, described defecator includes being tightly connected the connection frame of the first filter layer and the second filter layer, connection Frame is internally formed described passage.
After technique scheme, this utility model has the advantage that:
1st, pass through to be provided with the supercharging layer strengthening the first filter layer counter-blowing wind-pressure between the first filter layer and the second filter layer, Such first filter layer can obtain in blowback and the second filter layer identical counter-blowing wind-pressure, increased the blowback of the first filter layer Air quantity, the blowback effect of lifting the first filter layer, thus lifting the clearance rate of powder or dust on the first filter layer, and then lifted Filter effect and filter efficiency;Meanwhile, the stream that affects the second filter material layer can effectively be prevented because the fluidisation of the first filter material layer is irregular Change reverse gas cleaning.Further, extend the blowback time, filter material layer slowly fluidizes out until all even fluidizing, when realizing selfreparing, Thus nor affecting on the structure of the second filter layer.
2nd, pass through to arrange super charge mouth so that the first filter layer can obtain and the second filter layer identical counter-blowing wind-pressure, Increased the blowback air quantity of the first filter layer, because blowback air quantity is more in claimed range, the first filter layer is cleaned simultaneously Cleaner, thus ensureing the clearance rate of powder or dust on the first filter layer, to lift filter effect and filter efficiency;With When, using super charge mouth, this mode structure is simple, easily realizes.
3rd, pass through the super charge pipe that setting is stretched in passage, and by super charge mouth on super charge pipe, so Blowback wind energy preferably blows on the first filter layer so that the first filter layer can preferably obtain counter-blowing wind-pressure, increases further The fluidisation blowback effect of the first filter layer is it is ensured that the powder on the first filter layer or dust can be cleaned, to be lifted Filter effect and filter efficiency;Meanwhile, by super charge mouth towards the first filter layer setting, such back-blowing is directly against the first mistake Filtering layer blows, and improves blowback efficiency it is ensured that blowback effect;Further, by arranging multiple super charge mouths so that the first filter layer By blowback air quantity uniformly it is ensured that stability during the first filter layer work.
4th, pass through for blowback air inlet to connect blowback air inlet pipe, super charge mouth is connected with blowback air inlet pipe, so passes through Article one, pipeline both can achieve blowback air inlet, can achieve blowback supercharging so that the structure of defecator is simple again, is easy to assemble, carries High efficiency, and decrease the parts of defecator, reduce manufacturing cost.
5th, supercharging layer includes passage, and passage is provided with the first connector being connected with the first filter layer and is connected with the second filter layer The second logical connector, and the area of the first connector is less than the area of the second connector, so in back-blowing from the second filtration Layer is when blowing to the first filter layer, due to passage connection open area from big to small, thus improve the back-blowing of the first filter layer Speed, so that the powder on the first filter layer or dust can preferably be removed, improves filter effect and the mistake of the first filter layer Filter efficiency.
6th, by the filter area of the first filter layer being arranged to the area equation with the first connector, so both enhance The blowback wind speed of the first filter layer, meets fluidisation blowback requirement again, and ensures that back-blowing all can blow on the first filter layer, Lifting blowback efficiency and blowback effect.
7th, by passage is arranged to up-small and down-big taper, so form closing in shape, effectively enhance the first filter layer Blowback wind speed, allow for the powder on the first filter layer or dust can preferably be removed, improve the mistake of the first filter layer Filter effect and filter efficiency.
8th, sealing device includes being tightly connected the connection frame of the first filter layer and the second filter layer, and connection frame is internally formed institute State passage, so the first filter layer be sealedly connected with the second filter layer, so in blowback, connection frame can well by Back-blowing guide the first filter layer it is ensured that during blowback the blowback air quantity of the first filter layer enough so that on first, second filter layer Powder or dust can be blown off it is ensured that follow-up filter effect and filter efficiency.
Brief description
The utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of dust arrester embodiment one described in the utility model.
Fig. 2 is the structural representation of defecator in dust arrester embodiment one described in the utility model.
Fig. 3 is the structural representation of defecator in dust arrester embodiment two described in the utility model.
Fig. 4 is the structural representation of dust arrester embodiment three described in the utility model.
Fig. 5 is the structural representation of defecator in dust arrester embodiment three described in the utility model.
It is as follows that in figure is marked each component names:
1st, shell;11st, air inlet;111st, air inlet pipe;12nd, dust mouth;13rd, dust passage;2nd, defecator;21st, first Filter layer;211st, the first filtrate;22nd, the second filter layer;221st, the second filtrate;23rd, gripper shoe;24th, gripper shoe;25th, upper shell; 26th, lower house;27th, connect frame;271st, passage;28th, super charge mouth;29th, super charge pipe;30th, blowback air inlet;31st, anti- Blow into trachea;32nd, exhaust outlet.
Specific embodiment
Embodiment one:
As shown in Fig. 12, this utility model provides a kind of gas filtration dust arrester, including shell 1 with located at shell 1 Interior defecator 2, defecator 2 is provided with multiple and arranges along shell 1 short transverse, and in the present embodiment, defecator 2 is provided with Three and along the uniform interval setting of shell 1 short transverse, the difference according to use environment certainly, the number of defecator setting Differ, shell 1 is provided with air inlet 11 and gas outlet, at air inlet 11, be provided with the integrally formed air inlet pipe 111 with shell 1, Air inlet pipe 111 is in up-small and down-big cone barrel, and the bottom of shell 1 is provided with dust mouth 12, is provided with dust passage 13 inside shell 1, Defecator 2 includes the first filter layer 21 and the second filter layer 22, the first filter layer 21 above the second filter layer 22, first Filter layer 21 includes the first filtrate 211, and the second filter layer 22 includes the second filtrate 221, and defecator 2 bottom is provided with blowback air inlet Mouth 30, gas enters from air inlet 11, then through the first filter layer 21 and the second filter layer 22, is filtered clean gas from each Filtering layer gas outlet is flowed to exhaust outlet 32 and discharges, and the powder after filtration or dust fall shell in blowback by dust passage 13 1 bottom, then discharge from dust mouth 12.
Because, during blowback, dust arrester is not shut down, you can continuously dust removal by filtration is carried out to gas, by air inlet 11 located at The top of dust passage 13, so in blowback, the gas that air inlet enters will not be conflicted with back-blowing during blowback, and air inlet The gas that mouth enters can drive powder or the dust rapid decrease at blowback, both ensured good blowback effect, and do not affected to remove The normal work of dirt device, improves the work efficiency of dust arrester.
Defecator 2 also includes upper shell 25 and lower house 26, and the first filtrate 211 is fixed on upper shell by gripper shoe 23 In 25, the second filtrate 221 is fixed in lower house 26 by gripper shoe 24, and gripper shoe 23 and gripper shoe 24 are with passage Plate, upper shell 25 is integrally formed with lower house 26, so can well filtrate is supported it is ensured that stablizing when filtering Property, and upper and lower casing is processed and formed at one time, and facilitates the processing and manufacturing of defecator, production efficiency is high.
Existing double-layer filter structure, in blowback due to the resistance loss of the second filter layer, reduces and leads to the first mistake The counter-blowing wind-pressure of filtering layer, and on the first filter layer, the powder of accumulation or dust are uneven, streamization in the filtration aspect in blowback Degree difference, so that the powder of the first filter layer or dust can not be eliminated well, can directly affect the second filtering layer stream simultaneously Change ash-removal effect, structure of filtering layer can be destroyed in the course of time, the first filtrate is produced with the second filtrate and mixes, and affects filter effect, this In embodiment, by being provided with the increasing strengthening the first filter layer 21 counter-blowing wind-pressure between the first filter layer 21 and the second filter layer 22 Laminate layer, in blowback, supercharging layer can make the first filter layer obtain identical counter-blowing wind-pressure, increased the back-blowing of the first filter layer Amount, the blowback effect of lifting the first filter layer, thus lifting the clearance rate of powder or dust on the first filter layer, and then lifted Filter effect and filter efficiency.
Specifically, supercharging layer includes connecting the passage 271 of the first filter layer 21 and the second filter layer 22, sets in passage 271 There is super charge mouth 28 so that the first filter layer can obtain air quantity, blast requirement necessary to good satisfaction fluidisation, and Increased the blowback air quantity of the first filter layer, because blowback air quantity is more in claimed range, what the first filter layer was cleaned gets over Totally, thus ensureing the clearance rate of powder or dust on the first filter layer, to lift filter effect and filter efficiency;Meanwhile, adopt Use super charge mouth, this mode structure is simple, easily realize.
Defecator 2 includes being tightly connected the connection frame 27 of the first filter layer 21 and the second filter layer 22, and connection frame 27 is in First filter layer is so sealedly connected, so anti-by straight-tube shape and be internally formed above-mentioned passage 271 with the second filter layer When blowing, connection frame well back-blowing can be guided the first filter layer it is ensured that during blowback the blowback air quantity of the first filter layer enough, So that powder on the first filter layer or dust can be blown off it is ensured that follow-up filter effect and filter efficiency;Meanwhile, by passage It is arranged to identical straight-tube shape up and down, the first filter layer has more a lot of dust amount, has both enhanced the first filter layer by super charge mouth Counter-blowing wind-pressure, increased the blowback air quantity of the first filter layer, the blowback being more suitable for very high powder or dust concentration occasion will again Ask.
Blowback air inlet 30 connects blowback air inlet pipe 31, and super charge mouth 28 is connected with blowback air inlet pipe 31, so passes through Article one, pipeline both can achieve blowback air inlet, can achieve blowback supercharging so that the structure of defecator is simple again, is easy to assemble, carries High efficiency, and decrease the parts of defecator, reduce manufacturing cost.
The density of the first filtrate 211 is equal to the density of the second filtrate 221, specifically, the first filtrate 211 and the second filtrate 221 be quartz sand, specially sea sand naturally it is also possible to for spherical steel ball or other, such first filtrate and the second filtrate are Material filtrate of the same race, is easy to the first filtrate and the screening of the second filtrate, facilitates getting the raw materials ready of filtrate.The particle diameter of the first filtrate 211 is big In the particle diameter of the second filtrate 221, the particle diameter of such first filtrate is big, increases the gap between the first filtrate, improves appearance dirt Powder most in gas or dust-filtering, when gas from the first filter layer through out-of-date, can be fallen by amount, lift the first filter layer Filter effect, and the particle diameter of the second filtrate is little, and the gap between the second filtrate is also little, so can be further by not by the first mistake The powder that filtering layer filters out or dust further filter, improve filter effect it is ensured that filter after gas degree of purity.
The particle diameter of the first filtrate 211 is 1.5mm~6mm, and the present embodiment is specially 3mm, had so both ensured the first filter layer Dust containing capacity, filter efficiency is high, good filtration effect, and is easy to the screening of filtrate;Certainly, optionally, the particle diameter of the first filtrate is 1.5mm、1.8mm、2mm、2.5mm、2.8mm、3.5mm、3.8mm、4mm、4.5mm、4.8mm、5mm、5.5mm、5.8mm、6mm Deng.When the particle diameter of the first filtrate is less than 1.5mm, the dust containing capacity of the first filter layer is too little, leads to filtration a period of time to be accomplished by Reverse gas cleaning, reduces filter efficiency;When the first filtrate particle diameter be more than 6mm when, the gap between the first filtrate excessive it is impossible to Well rough dusting is carried out to gas, be easily caused the second filter layer blocking, affect filter effect.
The particle diameter of the second filtrate 221 is 0.074mm~2mm, and the present embodiment is specially 0.5mm, has so both ensured essence filtration Require and filter effect, and be easy to the screening of filtrate;Certainly, optionally, the particle diameter of the second filtrate be 0.074mm, 0.1mm, 0.147mm、0.15mm、0.2mm、0.25mm、0.3mm、0.35mm、0.4mm、0.45mm、0.6mm、0.8mm、1mm、1.2mm、 1.5mm, 1.6mm, 1.8mm, 2mm etc..When the particle diameter of the second filtrate is less than 0.074mm, the gap between the second filtrate is too small, resistance Dipeptiven is big, affects filter effect;When the particle diameter of the second filtrate is more than 2mm, the gap between the second filtrate excessive it is impossible to very well Gas is carried out with secondary filter, affect filter efficiency.Certainly, can be made using different filtrate combinations according to different operating modes and requirement With.
The thickness of the first filtrate 211 is 100mm~300mm, and the present embodiment is specially 200mm, had so both ensured primary mistake Filter effect, and very big resistance will not be produced in blowback, filtration, the powder being easy on the first filtrate or dust are blown away, instead Blow effect good.Certainly, optionally, the thickness of the first filtrate be 100mm, 120mm, 140mm, 150mm, 160mm, 180mm, 220mm, 240mm, 250mm, 260mm, 280mm, 300mm etc..When thickness is less than 100mm, the thickness of the first filtrate is too little, filter Expect that intergranular dust containing capacity is little, it is fast that running resistance rises, and primary filter effect is poor;When thickness is more than 300mm, the first filtrate Thickness too big, resistance during blowback is larger, impact blowback ash-removal effect.
The thickness of the second filtrate 221 is 30mm~60mm, and the present embodiment is specially 45mm, has so both ensured that two grades of essences filtered Effect, and very big resistance will not be produced in filtration, blowback, the powder being easy on the second filtrate or dust are blown away, blowback Effect is good.Certainly, optionally, the thickness of the second filtrate be 30mm, 35mm, 40mm, 42mm, 44mm, 46mm, 48mm, 50mm, 52mm, 54mm, 55mm, 56mm, 58mm, 60mm etc..When thickness is less than 30mm, the thickness of the second filtrate is too little, and essence filters effect Really poor;When thickness is more than 60mm, the thickness of the second filtrate is too big, and resistance when filtration, blowback is larger, affects the clear of blowback Grey effect, and high cost.
It should be understood that the density of the first filtrate is less than or greater than the density of the second filtrate.
It should be understood that the lower end of dust arrester is provided with ash bucket, dust mouth located at the bottom of ash bucket, when ash bucket collects one After fixed powder or dust, open dust mouth and powder or dust are discharged, so can periodically powder or dust be processed, no With frequently processing to powder or dust, convenient use.
It should be understood that being provided with current stabilization layer between the second filtrate and gripper shoe so that filtering and during reverse gas cleaning, current stabilization Layer granule transfixion all the time, on the one hand ensures air-flow uniformly, filter efficiency is high, on the other hand makes the second filtrate and gripper shoe It is isolated, to prevent the second filtrate to be carried over.
Embodiment two:
The present embodiment is with the difference of embodiment one, and supercharging layer is different.
As shown in Fig. 2 in the present embodiment, supercharging layer includes stretching into the super charge pipe 29 in passage 271, super charge mouth 28 on super charge pipe 29, and super charge mouth 28 is provided with multiple and uniform towards the first filter layer 21, super charge mouth 28 It is arranged on super charge pipe 29.
The present embodiment is advantageous in that, stretches into super charge pipe in passage by setting, and by super charge mouth located at On super charge pipe, such blowback wind energy preferably blows on the first filter layer so that the first filter layer can preferably obtain instead Blowing pressure, further increases the blowback air quantity of the first filter layer it is ensured that the powder on the first filter layer or dust can be eliminated Totally, to lift filter effect and filter efficiency;Meanwhile, by super charge mouth towards the first filter layer setting, such back-blowing Directly blow against the first filter layer, improve blowback efficiency it is ensured that blowback effect;Further, by arranging multiple super charge mouths, The first filter layer is made to be subject to the air quantity of blowback uniformly it is ensured that stability during the first filter layer work.
Embodiment three:
The present embodiment is with the difference of embodiment one, and supercharging layer is different.
As shown in Figure 4,5, in the present embodiment, supercharging layer includes passage 271, and passage 271 is in up-small and down-big taper, passage 271 are provided with the first connector connecting with the first filter layer 21 and the second connector connecting with the second filter layer 22, and first even The area of interface is less than the area of the second connector, the filter area of the first filter layer 21 and the area equation of the first connector.
The present embodiment is advantageous in that, supercharging layer includes passage, and passage is provided with and is connected with the first of the first filter layer connection Mouth and the second connector connecting with the second filter layer, and the area of the first connector is less than the area of the second connector, so When back-blowing blows to the first filter layer from the second filter layer, due to passage connection open area from big to small, thus enhancing The blowback wind speed of the first filter layer, meets fluidisation blowback requirement so that the powder on the first filter layer or dust can be more preferable Removing, improve filter effect and the filter efficiency of the first filter layer;Meanwhile, by setting the filter area of the first filter layer It is set to the area equation with the first connector, so both enhanced the blowback wind speed of the first filter layer, and met fluidisation blowback again Require, and ensure that back-blowing all can blow on the first filter layer, lift blowback efficiency and blowback effect;Further, by leading to Road is arranged to up-small and down-big taper, so forms closing in shape, effectively enhances the blowback wind speed of the first filter layer, in powder or In the case of dust concentration is little, the thickness of the first filtrate can reduce so that the powder on the first filter layer or dust energy quilt Remove well, improve filter effect and the filter efficiency of the first filter layer;Finally, by the size conversion of passage, strengthen Blowback wind speed to the first filter layer, need not be separately provided super charge mouth, and its structure is simpler, easily realize.
In addition to above preferred embodiment, this utility model also has other embodiments, and those skilled in the art can root It is variously modified according to this utility model and deforms, without departing from spirit of the present utility model, this utility model all should be belonged to Scope defined in claims.

Claims (10)

1. a kind of gas filtration dust arrester, the defecator including shell with located inside the shell, defecator includes the first mistake Filtering layer and the second filter layer, above the second filter layer, defecator bottom is provided with blowback air inlet to the first filter layer, and it is special Levy and be, between described first filter layer and the second filter layer, be provided with the supercharging layer strengthening the first filter layer counter-blowing wind-pressure.
2. according to claim 1 dust arrester it is characterised in that described supercharging layer includes connecting the first filter layer and second The passage of filter layer, is provided with super charge mouth in passage.
3. according to claim 2 dust arrester it is characterised in that described supercharging layer includes stretching into the super charge in passage Pipe, super charge mouth is on super charge pipe.
4. according to claim 3 dust arrester it is characterised in that described super charge mouth is towards the first filter layer.
5. according to claim 3 or 4 dust arrester it is characterised in that described super charge pipe be provided with multiple be pressurized into QI KOU.
6. according to Claims 2 or 3 or 4 dust arrester it is characterised in that described blowback air inlet connect blowback air inlet Pipe, super charge mouth is connected with blowback air inlet pipe.
7. according to claim 1 dust arrester it is characterised in that described supercharging layer includes passage, passage is provided with first First connector of filter layer connection and the second connector connecting with the second filter layer, the area of the first connector is less than second The area of connector.
8. according to claim 7 dust arrester it is characterised in that the filter area of described first filter layer is connected with first The area equation of mouth.
9. according to claim 7 dust arrester it is characterised in that described passage is in up-small and down-big taper.
10. according to Claims 2 or 34 or 7 or dust arrester described in 8 or 9 it is characterised in that described defecator include close Envelope connects the connection frame of the first filter layer and the second filter layer, and connection frame is internally formed described passage.
CN201621027966.5U 2016-08-31 2016-08-31 A kind of gas filtration dust arrester Active CN205995166U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106362504A (en) * 2016-08-31 2017-02-01 浙江瑞德华环保设备有限公司 Gas filtration and dust removal device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106362504A (en) * 2016-08-31 2017-02-01 浙江瑞德华环保设备有限公司 Gas filtration and dust removal device

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C14 Grant of patent or utility model
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Wang Xingyun

Inventor after: Zhu Xinwei

Inventor after: Wang Xiaoyin

Inventor before: Wang Xingyun

Inventor before: Ding Yelin

Inventor before: Zhu Xinwei

Inventor before: Wang Xiaoyin

CB03 Change of inventor or designer information
TR01 Transfer of patent right

Effective date of registration: 20170725

Address after: 214431 Jiangsu city of Wuxi province Jiangyin City Street Landscape Road No. 756 port

Patentee after: Jiangyin far track environmental protection technology Co., Ltd.

Address before: 314200 Jiaxing City, Pinghu Province Economic Development Zone, No. four Xingping Road, No. 3, the 3 workshop of the 1588

Patentee before: Zhejiang Reed environmental protection equipment Co., Ltd.

TR01 Transfer of patent right