CN101871806B - Weighing feeder - Google Patents
Weighing feeder Download PDFInfo
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- CN101871806B CN101871806B CN2010102113519A CN201010211351A CN101871806B CN 101871806 B CN101871806 B CN 101871806B CN 2010102113519 A CN2010102113519 A CN 2010102113519A CN 201010211351 A CN201010211351 A CN 201010211351A CN 101871806 B CN101871806 B CN 101871806B
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Abstract
The invention discloses a powder feeder, in particular to a weighing feeder. The weighing feeder is characterized in that: the weighing feeder comprises a screw feeder, a micro-feeder and an air lock which are sequentially and flexibly connected, the air lock is connected with a jet, wherein a measuring bin is arranged in the micro-feeder, a support is arranged on one side of the measuring bin, a transmission shaft is arranged on the support, one end of the transmission shaft is connected with a motor, the other end of the transmission shaft is provided with a spring, the other end of the spring is extended out of the other side of the measuring bin, and the measuring bin is also connected with a weighing sensor. The weighing feeder not only can evenly feed powder and prevent the blockage of powder and the cross flow of the air, but also can accurately weigh powder and feed an appropriate amount of powder.
Description
Technical field
The present invention relates to a kind of environmental protection field powder conveying equipment, be specifically related to a kind of conveying equipment of weighing.
Background technology
Garbage incinerating power plant can produce the flue gas that contains objectionable impuritiess such as bioxin, formaldehyde and furans in a large number in the waste incineration process; Must remove these objectionable impuritiess through the gas cleaning treatment process in order to reach standard limit of smog release, common way is to wait and adsorb these objectionable impuritiess with powder such as activated carbon powder, slaked lime powder at present., need powder be sent in the reaction tower evenly, in right amount for this reason, make powder and the abundant hybrid reaction of harmful smoke of passing through reaction tower, reach the purpose of removing objectionable impurities in the flue gas.In the prior art; Usually the technical scheme that adopts is by screw feeder powder to be delivered to flapper; Be delivered to jetting system again; In course of conveying, be prone to take place powder and block, be difficult for the blanking phenomenon though overcome in the past powder, existing conveying equipment is not high to the dosage control accuracy of powder, causes adding less smoke treatment to fall flat or phenomenon that dosage causes powder to waste more.
Summary of the invention
The objective of the invention is to overcome defective of the prior art, a kind of quantitative high-precision conveying equipment that is applicable to is provided.It not only can carry powder uniformly, prevents that powder from blocking, and prevents the air channelling, can also high-precision weighing powder, add in right amount, and avoid the excessive powder that adds to cause waste or add deficiency and do not reach the expection treatment effect.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is a kind of Weighing feeder, and this batcher comprises the screw feeder that flexibly connects successively, micro-batcher and flapper, and described flapper is connected with thrower; Wherein, In said micro-batcher, be provided with the metering feed bin, be provided with support component in a side of said metering feed bin, said support component is provided with transmission shaft; Said transmission shaft connects puddler, and said puddler position is corresponding with the feeding mouth of said micro-batcher; One end of said transmission shaft is connected with motor, and the said transmission shaft other end is provided with spring, and the other end of said spring stretches out the opposite side of said metering feed bin, and said metering feed bin also is connected with LOAD CELLS.
In order to realize even feeding, the preferable technical scheme of the present invention is, said screw feeder is provided with screw axis, is provided with the support component of screw axis at the two ends of said screw axis, and the support component of said screw axis is located at the casing both sides of said screw feeder; Pollute, corrode bearing and run well in order to prevent that powder is excessive, be provided with shield bearing in the support component of said screw axis.
Pass through the helical stir of screw axis for the conveying that makes powder; More evenly be delivered to micro-batcher; The preferable technical scheme of the present invention also has; Shifting to install feeding mouth and discharging opening with the perpendicular said casing both sides of the support component of said screw axis on the said screw feeder, the feeding mouth of said discharging opening and said micro-batcher flexibly connects.
The larger particles powder that transports for fragmentation perhaps plays fragmentation to it when powder gathers, make the powder transmission simultaneously evenly, so on said screw axis, be provided with puddle support, said puddle support position is corresponding with the feeding mouth of said screw feeder.
For broken powder perhaps plays fragmentation to it when powder gathers, make the powder transmission simultaneously evenly, the preferable technical scheme of the present invention also has, and said transmission shaft connects puddler, and said puddler position is corresponding with the feeding mouth of said micro-batcher.
Pollute, corrode bearing and run well in order to prevent that powder is excessive, the preferable technical scheme of the present invention also has, and is provided with shield bearing in the said support component, and said transmission shaft is installed in the said shield bearing; Transmission shaft running response is fast, speed is high in order to make, and rotation is level and smooth, stable, can realize the trace and the high precision of powder are carried thereby drive spring, and transmission shaft one end is connected with motor, said motor brushless servo motor.
The preferable technical scheme of the present invention also has, and said metering feed bin is located in the casing of said micro-batcher, for the amount of high-precision measuring powder, between said metering feed bin and said casing, is provided with LOAD CELLS, is used to measure the amount of carrying powder.
In order to make the smooth and easy flapper 3 that is delivered to of activated carbon powder ability of conveying; Rational in infrastructure and do not influence measuring accuracy; The preferable technical scheme of the present invention also has; Opposite side outside at said metering feed bin is provided with conveyance conduit, and the said spring other end inserts in the said conveyance conduit, and said conveyance conduit is connected with said flapper; For ease of observing the conveying situation of powder, on said flapper, be provided with observation tube, said observation tube is arranged between said conveyance conduit and said flapper.
The preferable technical scheme of the present invention also has, and casing one side of said thrower connects draft tube, and opposite side connects discharge nozzle; Said draft tube one end is provided with injector head, and said injector head is a Venturi tube, to guarantee that pressurized air is through behind the injector head; Air velocity is higher; Negative pressure is bigger, carries powder more easily, and powder evenly is delivered to flue swimmingly.
The preferable technical scheme of the present invention also has, the measuring accuracy of the vibration influence powder that when flapper moves, produces, and said micro-batcher and said flapper are separately positioned on the erecting frame, and said erecting frame is split type erecting frame; In order to make micro-batcher have better shock resistance, said micro-batcher is connected with said erecting frame through cushion socket.
Advantage of the present invention and beneficial effect are: this Weighing feeder is applicable to quantitatively, carries accurately powder.It both can carry powder uniformly; Prevent that powder from blocking; Prevent the air channelling, adopt the shock transfer that flexibly connects generation in the time of to prevent the miscellaneous part operation to give micro-batcher, influence weighing precision; Can quantitative, high-precision weighing powder through micro-batcher, avoid the excessive powder that adds to cause waste or add deficiency and do not reach the expection treatment effect.
Description of drawings
Fig. 1 is the structural representation of Weighing feeder of the present invention;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the structural representation of screw feeder among Fig. 1;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the partial enlarged drawing of I portion among Fig. 3;
Fig. 6 is the partial enlarged drawing of II portion among Fig. 3;
Fig. 7 is the structural representation of micro-batcher among Fig. 1;
Fig. 8 is the side view of Fig. 7;
Fig. 9 is the partial enlarged drawing of I portion among Fig. 7;
Figure 10 is the partial enlarged drawing of II portion among Fig. 7;
Figure 11 is the partial enlarged drawing of III portion among Fig. 7;
Figure 12 is the structural representation of flapper among Fig. 1;
Figure 13 is the structural representation of thrower among Fig. 1;
Among the figure, 1, screw feeder; 2, micro-batcher; 3, flapper; 4, thrower; 5, flexibly connect; 6-1, erecting frame; 6-2, erecting frame; 1-1, casing; The support component of 1-2, screw axis; 1-3, shield bearing; 1-4, screw axis; 1-5, feeding mouth; 1-6, discharging opening; 1-7, puddle support; 1-8, axle sleeve; 2-1, casing; 2-2, metering feed bin; 2-3, support component; 2-4, transmission shaft; 2-5, spring; 2-6, motor; 2-7, LOAD CELLS; 2-8, conveyance conduit; 2-9, puddler; 2-10, axle sleeve; 2-11, shield bearing; 2-12, installing plate; 2-13, backing plate; 2-14, feeding mouth; 2-15, connecting pipe; 2-16, cushion socket; 3-1, observation tube; 4-1, casing; 4-2, draft tube; 4-3, discharge nozzle; 4-4, injector head.
Embodiment
Below in conjunction with accompanying drawing and embodiment, specific embodiments of the invention further describes.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
Embodiment 1
Like Fig. 1, Fig. 2, shown in Figure 7; Present embodiment can be a kind of Weighing feeder of activated carbon powder to reaction tower with the objectionable impurities dioxin in the removal waste incineration power-plant flue gas that be used for carrying; This batcher comprises and flexibly connects 5 screw feeder 1, micro-batcher 2 and flapper 3 successively; The purpose that adopts cloth-bag type to flexibly connect is to prevent that the influence that the equipment vibrations are caused is directly passed to core component trace batcher, influences weighing precision.Described flapper 3 is connected with thrower 4.Wherein, In said micro-batcher 5, be provided with metering feed bin 2-2, in the side of said metering feed bin 2-2 support component 2-3 be housed, said support component 2-3 is provided with transmission shaft 2-4; The end of said transmission shaft 2-4 is connected with motor 2-6; The said transmission shaft 2-4 other end is provided with spring 2-5, and the other end of said spring 2-5 stretches out the opposite side of said metering feed bin 2-2, and said metering feed bin 2-2 also is connected with LOAD CELLS 2-7.
Embodiment 2
On the basis of embodiment 1; Preferred embodiment of the present invention is, like Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, in order to realize even feeding; Said screw feeder 1 also is equipped with screw axis 1-4; Said screw axis 1-4 is a multidiameter, is provided with the support component 1-2 of screw axis at the two ends of said screw axis 1-4, and the support component 1-2 of said screw axis is located at the casing 1-1 both sides of said screw feeder 1; Pollute, corrode bearing and run well in order to prevent that powder is excessive, be provided with shield bearing 1-3 among the support component 1-2 of said screw axis, all the other structures and embodiment 1 are identical.
Embodiment 3
On the basis of embodiment 2; Pass through the helical stir of screw axis 1-4 for the conveying that makes powder; More evenly be delivered to micro-batcher 2, preferred embodiment of the present invention also has, like Fig. 1, shown in Figure 3; Be provided with feeding mouth 1-5 and discharging opening 1-6 with the perpendicular said casing 1-1 both sides dislocation of the support component 1-2 of said screw axis on the said screw feeder 1, all the other structures and embodiment 2 are identical.
Embodiment 4
On the basis of embodiment 3; The larger particles powder that transports for fragmentation perhaps plays fragmentation to it when powder gathers, make the powder transmission simultaneously evenly, and preferred embodiment of the present invention also has; Like Fig. 3, shown in Figure 4; On said screw axis 1-4, puddle support 1-7 is housed, said puddle support 1-7 position is corresponding with the feeding mouth 1-5 of said screw feeder 1, and all the other structures and embodiment 3 are identical.
On the basis of embodiment 4, reasonable in order to make structure stress, be convenient to installation and maintenance; Preferred embodiment of the present invention also has, and like Fig. 3, shown in Figure 5, on said screw axis 1-4, is provided with axle sleeve 1-8; Said axle sleeve 1-8 is connected with puddle support 1-7, and all the other structures and embodiment 4 are identical.
Embodiment 6
On the basis of embodiment 1; For broken powder perhaps plays fragmentation to it when powder gathers, make the powder transmission simultaneously evenly, preferred embodiment of the present invention also has; As shown in Figure 7; Said transmission shaft 2-4 connects puddler 2-9, and said puddler 2-9 position is corresponding with the feeding mouth 2-14 of said micro-batcher 2, and all the other structures and embodiment 1 are identical.
Embodiment 7
On the basis of embodiment 6, reasonable in order to make structure stress, be convenient to installation and maintenance; Preferred embodiment of the present invention also has, and like Fig. 7, shown in Figure 9, outside said transmission shaft 2-4, is provided with axle sleeve 2-10; Said axle sleeve 2-10 is connected with puddler 2-9; Puddler is two rod members that are the L type, is connected on the axle sleeve with the center symmetric mode, and all the other structures and embodiment 6 are identical.
Embodiment 8
On the basis of embodiment 7; Pollute, corrode bearing and run well in order to prevent that powder is excessive, preferred embodiment of the present invention also has, like Fig. 7, Fig. 8 and shown in Figure 9; Be provided with shield bearing 2-11 in the said support component, said transmission shaft 2-4 is installed in the said shield bearing 2-11; Transmission shaft 2-4 running response is fast, speed is high in order to make; Rotate level and smooth, stable; Can realize the trace and the high precision of powder are carried thereby drive spring 2-5, transmission shaft 2-4 one end is connected with motor 2-6, and said motor 2-6 is a brushless servo motor; Brushless servo motor rotates with the speed of optimum speed 200r/min, drives spring and carries powder.Because rotating speed is very high, the operational throughput of spring is extremely small again, so can realize the quantitative and High Accuracy Control to the powder lot feeding amount, all the other structures and embodiment 7 are identical.
Embodiment 9
On the basis of embodiment 8, preferred embodiment of the present invention also has, and as shown in Figure 7, said metering feed bin 2-2 is located in the casing 2-1 of said micro-batcher 2, and the activated carbon powder that transports all gets in the metering feed bin 2-2; In order accurately to measure the amount of activated carbon powder, have LOAD CELLS 2-7 at said metering feed bin 2-2, said LOAD CELLS 2-7 is installed on the said casing 2-1, and all the other structures and embodiment 8 are identical.
Embodiment 10
On the basis of embodiment 9; Activated carbon powder for metering conveying accurately; Preferred embodiment of the present invention also has, and like the outer connection plate 2-12 of the said metering feed bin of Fig. 7, Figure 10 and Figure 11 2-2, said installing plate 2-12 is connected with said LOAD CELLS 2-7 one end; The said LOAD CELLS 2-7 other end is connected with the casing 2-1 of said micro-batcher 2 through backing plate 2-13, and all the other structures and embodiment 9 are identical.
On the basis of embodiment 1; Preferred embodiment of the present invention also has; Like Fig. 7, shown in Figure 12,, be provided with conveyance conduit 2-8 in the opposite side outside of said metering feed bin 2-2 in order to make the smooth and easy flapper 3 that is delivered to of activated carbon powder ability of conveying; The said spring 2-5 other end inserts in the said conveyance conduit 2-8, and said conveyance conduit 2-8 is connected with said flapper 3; Conveying situation for the ease of the activated carbon powder that observe to get into flapper 3 also is provided with observation tube 3-1 on said flapper 3, said observation tube 3-1 is arranged at 3 of said conveyance conduit 2-8 and said flappers, and all the other structures and embodiment 1 are identical.
Embodiment 12
On the basis of embodiment 11, preferred embodiment of the present invention also has, and is as shown in Figure 7; In order to make the smooth and easy flapper 3 that is delivered to of activated carbon powder ability of conveying; Rational in infrastructure and do not influence measuring accuracy, said conveyance conduit 2-8 is located at outside the casing 2-1 of micro-batcher 2, links to each other through connecting pipe 2-15 between said conveyance conduit 2-8 and said metering feed bin 2-2; The said spring 2-5 other end inserts in the said conveyance conduit 2-8 through connecting pipe 2-15, and all the other structures and embodiment 11 are identical.
Embodiment 13
On the basis of embodiment 1, spray flue continuously, uniformly in order to make activated carbon powder, preferred embodiment of the present invention also has; Shown in figure 13; Casing 4-1 one side of said thrower 4 connects draft tube 4-2, and opposite side connects discharge nozzle 4-3, and said draft tube 4-2 one end is provided with injector head 4-4; Said injector head 4-4 is a Venturi tube, and all the other structures and embodiment 1 are identical.
Embodiment 14
On the basis of embodiment 1; Preferred embodiment of the present invention also has; Like Fig. 1, Fig. 2 and shown in Figure 7, the shock transfer that produces during for fear of flapper 3 operations is given micro-batcher 2, influences the activated carbon powder measuring accuracy; Said micro-batcher 2 is separately positioned on erecting frame 6-1 with said flapper 3,6-2 is last, and said erecting frame is split type erecting frame; Simultaneously, have better shock resistance in order to make micro-batcher 2, said micro-batcher 2 is connected with said erecting frame 6-1 through cushion socket 2-16, and all the other structures and embodiment 1 are identical.
Embodiment 15
On the basis of embodiment 1; It is more smooth and easy for powder ground is carried; Utilize the action of gravity of powder self preferably, preferred embodiment of the present invention also has, like Fig. 1, shown in Figure 2; The setting height(from bottom) of screw feeder 1, micro-batcher 2, flapper 3, thrower 4 reduces successively, and all the other structures and embodiment 1 are identical.
The course of work of this Weighing feeder is: powder gets in the casing 1-1 from screw feeder 1 feeding mouth 1-5, and 1-7 constantly stirs through puddle support, drives through screw axis 1-4 rotation again, transfers to discharging opening 1-6, flows to micro-batcher 2.Save bit by bit when reaching a certain amount of when powder in the micro-batcher 2 metering feed bin 2-2, close screw feeder 1 through the effect of LOAD CELLS 2-7.Simultaneously, micro-batcher 2 is started working, and motor 2-6 drives transmission shaft 2-4 and spring 2-5 carries out micro-high precision feeding, carries the powder amount to be measured by LOAD CELLS 2-7.The powder of conveying gets into throwers 4 through flapper 3 backs of band observation tube 3-1, under the pressurized air effect of height negative pressure, is involved in by the even absorption of high velocity air, delivers to flue from discharge nozzle 4-3 and goes to adsorb objectionable impuritiess such as bioxin.The effect of flapper 3 is to prevent thrower 3 compressed air flow perturbation powders, and powdered carbon can be got off in timely smooth and easy conveying.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (9)
1. a Weighing feeder is characterized in that, this batcher comprises the screw feeder that flexibly connects successively, micro-batcher and flapper, and described flapper is connected with thrower; Wherein, In said micro-batcher, be provided with the metering feed bin, be provided with support component in a side of said metering feed bin, said support component is provided with transmission shaft; Said transmission shaft connects puddler, and said puddler position is corresponding with the feeding mouth of said micro-batcher; One end of said transmission shaft is connected with motor, and the said transmission shaft other end is provided with spring, and the other end of said spring stretches out the opposite side of said metering feed bin, and said metering feed bin also is connected with LOAD CELLS.
2. according to the said Weighing feeder of claim 1; It is characterized in that; Said screw feeder is provided with screw axis; Be provided with the support component of screw axis at the two ends of said screw axis, the support component of said screw axis is located at the casing both sides of said screw feeder, is provided with shield bearing in the support component of said screw axis.
3. according to the said Weighing feeder of claim 2, it is characterized in that, shifting to install feeding mouth and discharging opening with the perpendicular said casing both sides of the support component of said screw axis.
4. according to the said Weighing feeder of claim 3, it is characterized in that, on said screw axis, be provided with puddle support, said puddle support position is corresponding with said feeding mouth.
5. according to the said Weighing feeder of claim 1, it is characterized in that, be provided with shield bearing in the said support component, said transmission shaft is installed in the said shield bearing, and the one of which end is connected with said motor, and said motor is a brushless servo motor.
6. according to the said Weighing feeder of claim 5, it is characterized in that said metering feed bin is located in the casing of said micro-batcher, between said metering feed bin and said casing, be provided with LOAD CELLS.
7. according to the said Weighing feeder of claim 1; It is characterized in that; Opposite side outside at said metering feed bin is provided with conveyance conduit, and the said spring other end inserts in the said conveyance conduit, and said conveyance conduit is connected with said flapper; On said flapper, be provided with observation tube, said observation tube is arranged between said conveyance conduit and said flapper.
8. according to the said Weighing feeder of claim 1, it is characterized in that casing one side of said thrower connects draft tube, said casing opposite side connects discharge nozzle, and said draft tube one end is provided with injector head, and said injector head is a Venturi tube.
9. according to any said Weighing feeder in the claim 1 to 8; It is characterized in that; Said micro-batcher and said flapper are separately positioned on the erecting frame, and said erecting frame is split type erecting frame, and said micro-batcher is connected with said erecting frame through cushion socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102113519A CN101871806B (en) | 2010-06-29 | 2010-06-29 | Weighing feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102113519A CN101871806B (en) | 2010-06-29 | 2010-06-29 | Weighing feeder |
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| CN101871806A CN101871806A (en) | 2010-10-27 |
| CN101871806B true CN101871806B (en) | 2012-04-18 |
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| CN2010102113519A Active CN101871806B (en) | 2010-06-29 | 2010-06-29 | Weighing feeder |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180357B (en) * | 2011-05-04 | 2012-03-14 | 福建龙净环保股份有限公司 | Pneumatic conveying system and method for powder material with low air retention ability |
| CN102680061B (en) * | 2012-04-25 | 2014-04-16 | 三一重工股份有限公司 | Powder ash material weighing system and weighing method |
| CN102706164B (en) * | 2012-06-06 | 2014-02-26 | 苏州平方实业有限公司 | Automatic weighing and feeding device for electronic kiln |
| CN103754587B (en) * | 2013-12-27 | 2015-11-18 | 浙江大学 | High stability particle dust charging gear |
| CN104535147B (en) * | 2014-12-29 | 2017-02-22 | 西安理工大学 | Quantitative addition instrument for powdery solid |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH642170A5 (en) * | 1981-03-20 | 1984-03-30 | Hasler Freres Sa | Installation for continuously weighing and metering divided products |
| CN86206850U (en) * | 1986-09-11 | 1988-07-27 | 贵州工学院 | Spring conveyer of day powder for casting workshop |
| ITMI20060176A1 (en) * | 2006-02-02 | 2007-08-03 | Ecodeco S R L | POWER SUPPLY AND CONTINUOUS DOSAGE OF FUELS DERIVED FROM CDR WASTE IN NON-PRESSURE UTILITIES |
| CN201325745Y (en) * | 2008-11-13 | 2009-10-14 | 济宁碳素工业总公司 | Direct aligning conveyer after weighing |
| CN201337882Y (en) * | 2008-12-29 | 2009-11-04 | 浙江蓝天求是环保集团有限公司 | Desulfurization and ash discharging device at bottom of dry flue gas desulfurization absorbing tower |
| CN201444075U (en) * | 2009-06-25 | 2010-04-28 | 营口大和衡器有限公司 | Double-screw balance |
| CN201751339U (en) * | 2010-06-29 | 2011-02-23 | 江苏亿金环保设备工程有限公司 | Weighing feeder |
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Effective date of registration: 20110817 Address after: 214400 Jiangyin Province, Gu Town, East Village Applicant after: Jiangsu Yijin Environmental Protection Technology Co.,Ltd. Address before: 214400 Jiangyin Province, Gu Town, East Village Applicant before: Jiangsu Yijin Environmental Protection Equipment Engineering Co., Ltd. |
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Address after: 214400 Jiangyin Province, Gu Town, East Village Patentee after: JIANGSU YIJIN ENVIRONMENTAL PROTECTION EQUIPMENT ENGINEERING CO., LTD. Address before: 214400 Jiangyin Province, Gu Town, East Village Patentee before: Jiangsu Yijin Environmental Protection Technology Co.,Ltd. |