CN107029852A - A kind of gradable overflow delta hedge delta numerical control grinding machine - Google Patents
A kind of gradable overflow delta hedge delta numerical control grinding machine Download PDFInfo
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- CN107029852A CN107029852A CN201710457439.0A CN201710457439A CN107029852A CN 107029852 A CN107029852 A CN 107029852A CN 201710457439 A CN201710457439 A CN 201710457439A CN 107029852 A CN107029852 A CN 107029852A
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- pipe
- box
- grinding
- overflow
- fixedly mounted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/06—Jet mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
Abstract
A kind of gradable overflow delta hedge delta numerical control grinding machine of the present invention, including the blower fan point T-shaped pipe of wind, regulation exhaust stack, arc are in charge of, top blast pipe, overflow pipe, normal open pipe, barretter, with flow chamber, impact tube, driving box, motor, delivery pipe, material feeding box, autogenous grinding closed box, fine grinding body feed tank, exhaust duct etc..Wire netting is provided with exhaust duct, autogenous grinding closed box bottom carries angle of inclination, and autogenous grinding closed box exit end face is machined with push pipe hole, spout hole and normal open hole, and impact tube is arranged to two rows.The present invention is by being provided with barretter, top blast pipe, overflow pipe, normal open pipe delivery pipe and impact tube, it is achieved thereby that efficiently easily adjusting the purpose of grinding efficiency and fineness.
Description
Technical field
The present invention relates to a kind of engineering mechanical device, and in particular to a kind of gradable overflow delta hedge delta numerical control grinding machine, belongs to
Engineering mechanical device technical field.
Background technology
In numerous industries such as metallurgy, building materials, chemical industry, electric power, ceramics, grinding machine is widely used, with industrial production
Manufacture is continued to develop, and enterprise is for the requirement also more and more higher of grinding machine performance, now widely used grinding machine, generally existing behaviour
Make cumbersome, the problems such as precision controlling is not high, it is the requirement of precision aspect.But add there is presently no the production specifically designed for property
Construction equipment, and production cost is higher, and this is not extremely inconsistent for the requirements of the times into industry 4.0.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of gradable overflow delta hedge delta grinding machine, its is rational in infrastructure, with strong points,
Production efficiency is high.
The technical scheme that the present invention takes is：A kind of gradable overflow delta hedge delta numerical control grinding machine, including fan supporter, wind
Machine, fans entrance pipe, silencer, fan outlet tube, point T-shaped pipe of wind, exhaust stack is adjusted, regulating valve, arc is diffused and is in charge of import
Pipe, arc be in charge of, top blast pipe, push pipe hole, top blast pipe valve, overflow pipe, spout hole, overflow pipe valve, normal open pipe, normal open hole, current stabilization
Pipe, with flow chamber air inlet pipe, with flow chamber, with flow chamber support, impact tube, impact pipe valve, delivery pipe staking, delivery pipe crossbeam, enter
It is hopper support, driving box, discharging square tube, motor, delivery pipe, material feeding box, autogenous grinding closed box, the closed box bracket of autogenous grinding, thin
Grind materials outlet, fine grinding body feed tank, exhaust duct, material-collecting funnel, discharge valve, fine grinding material box bracket, raw material cabin, raw material cabin branch
Frame, material inlet pipe, material inlet pipe valve, current stabilization pipe arrangement, current stabilization match somebody with somebody pipe valve.
Blower fan described in two is arranged symmetrically, and blower fan axial direction side is installed with fans entrance pipe, and silencer fixes peace
On fans entrance pipe, blower fan circumference side is installed with fan outlet tube, and fan supporter is fixedly mounted on blower fan bottom；
Described is divided to the T-shaped pipe two ends of wind to be fixedly connected respectively with two fan outlet tubes, and regulation exhaust stack is fixedly mounted on the T-shaped pipe of point wind
Side, diffuses regulating valve and is fixedly mounted on regulation exhaust stack, arc is in charge of inlet tube, top blast pipe, overflow pipe, normal open pipe and matched somebody with somebody
Flow chamber air inlet pipe is fixedly mounted on the T-shaped pipe opposite side of point wind, top blast pipe valve and overflow pipe valve be respectively and fixedly installed to top blast pipe and
On overflow pipe；Described autogenous grinding closed box is fixedly mounted on the closed box bracket of autogenous grinding, autogenous grinding closed box one end and top blast pipe, is overflow
Flow tube and normal open pipe are fixedly connected, and the autogenous grinding closed box other end is fixedly connected with fine grinding material outlet pipe；Described arc is in charge of
Side is in charge of inlet tube with arc and is fixedly connected, and arc is in charge of opposite side and is fixedly connected with five barretters being evenly arranged；Institute
The current stabilization pipe arrangement one end stated is fixedly connected with barretter, and the current stabilization pipe arrangement other end at the top of autogenous grinding closed box with being fixedly connected, current stabilization
It is fixedly mounted on pipe valve on current stabilization pipe arrangement；Autogenous grinding closed box both sides are arranged symmetrically in flow chamber remotely, match somebody with somebody described in two
Flow chamber bottom is installed with flow chamber support, and impact tube one end is fixedly connected with flow chamber, and the impact tube other end and autogenous grinding are close
Closed box is fixedly connected, and impact pipe valve is fixedly mounted on impact tube.
Raw material cabin described in two is arranged symmetrically in autogenous grinding closed box both sides more nearby, and raw material cabin two ends are installed with original
Silo support, material inlet pipe one end is fixedly mounted on raw material cabin bottom, and the material inlet pipe other end is fixedly mounted on impact tube
On, material inlet pipe valve is fixedly mounted on material inlet pipe；Material feeding box described in six is arranged symmetrically in autogenous grinding closed box bottom
Portion both sides are simultaneously fixedly connected with autogenous grinding closed box, and charging box bracket is fixedly mounted on material feeding box bottom, and six driving box distinguish cloth
Put and upper box part is fed at six, driving upper box part is fixedly mounted on delivery pipe crossbeam, and delivery pipe staking is fixedly mounted on defeated
Pipe crossbeam two ends are sent, driving box side is installed with motor, and driving box bottom is installed with discharging square tube；Described
One group two-by-two of delivery pipe, delivery pipe one end is fixedly connected with driving box, and the delivery pipe other end is fixedly connected with material feeding box；Described
Fine grinding body feed tank is fixedly mounted on fine grinding material box bracket, and fine grinding body feed tank side is fixed with fine grinding material outlet square tube to be connected
Connect, be installed with exhaust duct at the top of fine grinding body feed tank, fine grinding body feed tank bottom is installed with material-collecting funnel, and discharge valve is fixed
On material-collecting funnel.
Further, in order to preferably avoid being provided with wire netting in loss of material, exhaust duct.
Further, in order to which grading effect is better achieved, autogenous grinding closed box bottom carries angle of inclination.
Further, in order to better control over grinding efficiency, autogenous grinding closed box exit end face is machined with push pipe hole, spout hole
With normal open hole, impact tube is arranged to two rows.
Because present invention employs above-mentioned technical proposal, the present invention has advantages below：（1）By be provided with barretter,
Top blast pipe, overflow pipe and normal open pipe, it is achieved thereby that efficiently easily adjusting the purpose of grinding efficiency and fineness；（2）By setting
Delivery pipe and impact tube are equipped with, it is achieved thereby that abrasive material can reconcile the purpose of self-loopa.
Brief description of the drawings
Fig. 1 integrally assembles dimensional structure diagram for visual angle in front of the side of the present invention.
Fig. 2 integrally assembles dimensional structure diagram for the side rear visual angle of the present invention.
Fig. 3 integrally assembles dimensional structure diagram for the bottom views of the present invention.
Fig. 4 assembles dimensional structure diagram for the present invention from grinding system.
Fig. 5 is partial assembled dimensional structure diagram of the invention.
Fig. 6 is partial assembled stereochemical structure enlarged diagram of the invention.
Drawing reference numeral：1- fan supporters；2- blower fans；3- fans entrance pipes；301- silencers；4- fan outlet tubes；5- points
The T-shaped pipe of wind；6- adjusts exhaust stack；7- diffuses regulating valve；8- arcs are in charge of inlet tube；9- arcs are in charge of；10- top blast pipes；101-
Push pipe hole；1001- top blast pipe valves；11- overflow pipes；111- spout holes；1101- overflow pipe valves；12- normal open pipes；121- normal opens hole；
13- barretters；14- matches somebody with somebody flow chamber air inlet pipe；15- matches somebody with somebody flow chamber；16- matches somebody with somebody flow chamber support；17- impact tubes；171- impacts pipe valve；18-
Delivery pipe staking；19- delivery pipe crossbeams；20- feeds box bracket；21- driving box；22- discharging square tubes；23- motors；
24- delivery pipes；25- material feeding box；26- autogenous grinding closed boxs；The closed box bracket of 27- autogenous grindings；28- fine grinding material outlet pipes；29- fine grindings
Body feed tank；30- exhaust ducts；31- material-collecting funnels；32- discharge valves；33- fine grinding material box brackets；34- raw material cabins；35- raw material cabins
Support；36- material inlet pipes；361- material inlet pipe valves；37- current stabilization pipe arrangements；371- current stabilizations match somebody with somebody pipe valve.
Embodiment
With reference to specific embodiment, the invention will be further described, the illustrative examples and explanation invented herein
For explaining the present invention, but it is not as a limitation of the invention.
As shown in Figure 1, Figure 2, a kind of gradable overflow delta hedge delta numerical control grinding machine shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, two blower fans 2
It is arranged symmetrically, the axial side of blower fan 2 is installed with fans entrance pipe 3, and silencer 301 is fixedly mounted on fans entrance pipe 3,
The circumferential side of blower fan 2 is installed with fan outlet tube 4, and fan supporter 1 is fixedly mounted on the bottom of blower fan 2.It is divided to 5 liang of the T-shaped pipe of wind
End is fixedly connected with two fan outlet tubes 4 respectively, and regulation exhaust stack 6 is fixedly mounted on the T-shaped side of pipe 5 of point wind, diffuses regulation
Valve 7 is fixedly mounted on regulation exhaust stack 6, and arc is in charge of inlet tube 8, top blast pipe 10, overflow pipe 11, normal open pipe 12 and with flow chamber
Air inlet pipe 14 is fixedly mounted on the T-shaped opposite side of pipe 5 of point wind, and top blast pipe valve 1001 and overflow pipe valve 1101 are respectively and fixedly installed to top
On blowpipe 10 and overflow pipe 11.Autogenous grinding closed box 26 is fixedly mounted on the closed box bracket 27 of autogenous grinding, the one end of autogenous grinding closed box 26
It is fixedly connected with top blast pipe 10, overflow pipe 11 and normal open pipe 12, the other end of autogenous grinding closed box 26 is consolidated with fine grinding material outlet pipe 28
Fixed connection.Arc, which is in charge of 9 sides and is in charge of inlet tube 8 with arc, to be fixedly connected, and arc is in charge of 9 opposite sides and five be evenly arranged
Barretter 13 is fixedly connected.The one end of current stabilization pipe arrangement 37 is fixedly connected with barretter 13, and the other end of current stabilization pipe arrangement 37 and autogenous grinding are closed
The top of case 26 is fixedly connected, and current stabilization is fixedly mounted on current stabilization pipe arrangement 37 with pipe valve 371.It is close that autogenous grinding is arranged symmetrically in flow chamber 15
The both sides of closed box 26 remotely, are installed with flow chamber support 16, the one end of impact tube 17 with flow chamber 15 with consolidating with the bottom of flow chamber 15
Fixed connection, the other end of impact tube 17 is fixedly connected with autogenous grinding closed box 26, and impact pipe valve 171 is fixedly mounted on impact tube 17.
Two raw material cabins 34 are arranged symmetrically in the both sides of autogenous grinding closed box 26 more nearby, and the two ends of raw material cabin 34 are installed with original
Silo support 35, one end of material inlet pipe 36 is fixedly mounted on the bottom of raw material cabin 34, and the other end of material inlet pipe 36 is fixedly mounted
On impact tube 17, material inlet pipe valve 361 is fixedly mounted on material inlet pipe 36.Six material feeding box 25 are arranged symmetrically in certainly
The mill two bottom sides of closed box 26 are simultaneously fixedly connected with autogenous grinding closed box 26, and charging box bracket 20 is fixedly mounted on the bottom of material feeding box 25
Portion, six driving box 21 are arranged in six tops of material feeding box 25, and the top of driving box 21 is fixedly mounted on delivery pipe crossbeam 19
On, delivery pipe staking 18 is fixedly mounted on the two ends of delivery pipe crossbeam 19, and the side of driving box 21 is installed with motor 23,
The bottom of driving box 21 is installed with discharging square tube 22.One group two-by-two of delivery pipe 24, the one end of delivery pipe 24 is fixed with driving box 21
Connection, the other end of delivery pipe 24 is fixedly connected with material feeding box 25.Fine grinding body feed tank 29 is fixedly mounted on fine grinding material box bracket 33
On, the side of fine grinding body feed tank 29 is fixedly connected with fine grinding material outlet square tube 28, the top of fine grinding body feed tank 29 row of being installed with
Airduct 30, the bottom of fine grinding body feed tank 29 is installed with material-collecting funnel 31, and discharge valve 32 is fixedly mounted on material-collecting funnel 31.
In order to preferably avoid being provided with wire netting in loss of material, exhaust duct 30.In order to which grading effect is better achieved,
The bottom of autogenous grinding closed box 26 carries angle of inclination.In order to better control over grinding efficiency, the processing of the exit end face of autogenous grinding closed box 26
There are push pipe hole 101, spout hole 111 and normal open hole 121, impact tube 17 is arranged to two rows.
The present invention operation principle be：The gas sent by blower fan 2, part warp flows into impact tube 17 with flow chamber 15,
Another part gives the original in barretter 13, top blast pipe 10, overflow pipe 11 and normal open pipe 12, raw material cabin 34 through the T-shaped pipe 5 of undue wind
Material is projected after being mixed to the air-flow in impact tube 17 and ground in autogenous grinding closed box 26 by material inlet pipe valve 361
Damage, the qualified raw material of fine grinding enters in fine grinding body feed tank 29 by fine grinding material outlet pipe 28, underproof raw material is by charging
Case 25, delivery pipe 24 and discharging square tube 22 are backed within raw material cabin 34, by material-collecting funnel 31 and discharge valve 32 by fine grinding
Material is discharged.
Claims (4)
1. a kind of gradable overflow delta hedge delta numerical control grinding machine, including fan supporter（1）, blower fan 2, fans entrance pipe 3, silencer
（301）, fan outlet tube（4）, point T-shaped pipe of wind（5）, regulation exhaust stack（6）, diffuse regulating valve（7）, arc be in charge of inlet tube
（8）, arc is in charge of（9）, top blast pipe（10）, push pipe hole（101）, top blast pipe valve（1001）, overflow pipe（11）, spout hole（111）、
Overflow pipe valve（1101）, normal open pipe（12）, normal open hole（121）, barretter（13）, with flow chamber air inlet pipe（14）, with flow chamber（15）、
With flow chamber support（16）, impact tube（17）, impact pipe valve（171）, delivery pipe staking（18）, delivery pipe crossbeam（19）, charging
Box bracket（20）, driving box（21）, discharging square tube（22）, motor（23）, delivery pipe（24）, material feeding box（25）, autogenous grinding it is close
Closed box（26）, the closed box bracket of autogenous grinding（27）, fine grinding material outlet pipe（28）, fine grinding body feed tank（29）, exhaust duct（30）, gather materials
Funnel（31）, discharge valve（32）, fine grinding material box bracket（33）, raw material cabin（34）, raw material bin bracket（35）, material inlet pipe
（36）, material inlet pipe valve（361）, current stabilization pipe arrangement（37）, current stabilization match somebody with somebody pipe valve（371）, it is characterised in that：Blower fan described in two
（2）It is arranged symmetrically, blower fan（2）Axial side is installed with fans entrance pipe（2）, silencer（301）It is fixedly mounted on blower fan
Inlet tube（3）On, blower fan（2）Circumferential side is installed with fan outlet tube（4）, fan supporter（1）It is fixedly mounted on blower fan
（2）Bottom；The described point T-shaped pipe of wind（5）Two ends respectively with two fan outlet tubes（4）It is fixedly connected, adjusts exhaust stack（6）Gu
Dingan County is mounted in point T-shaped pipe of wind（5）Side, diffuses regulating valve（7）It is fixedly mounted on regulation exhaust stack（6）On, arc is in charge of import
Pipe（8）, top blast pipe（10）, overflow pipe（11）, normal open pipe（12）With with flow chamber air inlet pipe（14）It is fixedly mounted on the T-shaped pipe of point wind
（5）Opposite side, top blast pipe valve（1001）With overflow pipe valve（1101）It is respectively and fixedly installed to top blast pipe（10）And overflow pipe（11）
On；Described autogenous grinding closed box（26）It is fixedly mounted on the closed box bracket of autogenous grinding（27）On, autogenous grinding closed box（26）One end and top
Blowpipe（10）, overflow pipe（11）And normal open pipe（12）It is fixedly connected, autogenous grinding closed box（26）The other end and fine grinding material outlet pipe
（28）It is fixedly connected；Described arc is in charge of（9）It is in charge of inlet tube with arc in side（8）It is fixedly connected, arc is in charge of（9）It is another
Side and five barretters being evenly arranged（13）It is fixedly connected；Described current stabilization pipe arrangement（37）One end and barretter（13）It is fixed to connect
Connect, current stabilization pipe arrangement（37）The other end and autogenous grinding closed box（26）Top is fixedly connected, and current stabilization matches somebody with somebody pipe valve（371）It is fixedly mounted on steady
Flow pipe arrangement（37）On；Match somebody with somebody flow chamber described in two（15）It is arranged symmetrically in autogenous grinding closed box（26）Both sides remotely, with flow chamber
（15）Bottom is installed with flow chamber support（16）, impact tube（17）One end is with matching somebody with somebody flow chamber（15）It is fixedly connected, impact tube
（17）The other end and autogenous grinding closed box（26）It is fixedly connected, impacts pipe valve（171）It is fixedly mounted on impact tube（17）On；Two institutes
The raw material cabin stated（34）It is arranged symmetrically in autogenous grinding closed box（26）Both sides more nearby, raw material cabin（34）Two ends are installed with raw material
Bin bracket（35）, material inlet pipe（36）One end is fixedly mounted on raw material cabin（34）Bottom, material inlet pipe（36）The other end is consolidated
Dingan County is mounted in impact tube（17）On, material inlet pipe valve（361）It is fixedly mounted on material inlet pipe（36）On；Entering described in six
Hopper（25）It is arranged symmetrically in autogenous grinding closed box（26）Two bottom sides and with autogenous grinding closed box（26）It is fixedly connected, feeds box bracket
（20）It is fixedly mounted on material feeding box（25）Bottom, six driving box（21）It is arranged in six material feeding box（25）Top, driving
Case（21）Top is fixedly mounted on delivery pipe crossbeam（19）On, delivery pipe staking（18）It is fixedly mounted on delivery pipe crossbeam（19）
Two ends, driving box（21）Side is installed with motor（23）, driving box（21）Bottom is installed with discharging square tube
（22）；Described delivery pipe（24）One group, delivery pipe two-by-two（24）One end and driving box（21）It is fixedly connected, delivery pipe（24）Separately
One end and material feeding box（25）It is fixedly connected；Described fine grinding body feed tank（29）It is fixedly mounted on fine grinding material box bracket（33）On,
Fine grinding body feed tank（29）Side and fine grinding material outlet square tube（28）It is fixedly connected, fine grinding body feed tank（29）Top is installed with
Exhaust duct（30）, fine grinding body feed tank（29）Bottom is installed with material-collecting funnel（31）, discharge valve（32）It is fixedly mounted on and gathers materials
Funnel（31）On.
2. a kind of gradable overflow delta hedge delta numerical control grinding machine as claimed in claim 1, it is characterised in that：Exhaust duct（30）Inside set
It is equipped with wire netting.
3. a kind of gradable overflow delta hedge delta numerical control grinding machine as claimed in claim 1, it is characterised in that：Autogenous grinding closed box（26）
Bottom carries angle of inclination.
4. a kind of gradable overflow delta hedge delta numerical control grinding machine as claimed in claim 1, it is characterised in that：Autogenous grinding closed box（26）
Exit end face is machined with push pipe hole（101）, spout hole（111）With normal open hole（121）, impact tube（17）It is arranged to two rows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710457439.0A CN107029852B (en) | 2017-06-16 | 2017-06-16 | A kind of gradable overflow delta hedge delta numerical control grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710457439.0A CN107029852B (en) | 2017-06-16 | 2017-06-16 | A kind of gradable overflow delta hedge delta numerical control grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107029852A true CN107029852A (en) | 2017-08-11 |
| CN107029852B CN107029852B (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710457439.0A Active CN107029852B (en) | 2017-06-16 | 2017-06-16 | A kind of gradable overflow delta hedge delta numerical control grinding machine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2496549Y (en) * | 2001-01-28 | 2002-06-26 | 赵中林 | Jaw-roller crushing mill |
| CN1380142A (en) * | 2002-05-23 | 2002-11-20 | 邝超华 | Conical material bed vertical grinder |
| JP4065494B2 (en) * | 2002-03-12 | 2008-03-26 | キヤノン株式会社 | Toner production method |
| CN203329809U (en) * | 2013-07-05 | 2013-12-11 | 大唐华银电力股份有限公司金竹山火力发电分公司 | Air supply device for coal mill big gear wheel seal fan |
| CN103721831A (en) * | 2013-07-12 | 2014-04-16 | 孙世林 | Powder concentrating device in dry ball mill |
| CN203577944U (en) * | 2013-10-22 | 2014-05-07 | 山西兰花华明纳米材料有限公司 | Nano calcium carbonate pulverizing device capable of controlling moisture in depolymerization process |
-
2017
- 2017-06-16 CN CN201710457439.0A patent/CN107029852B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2496549Y (en) * | 2001-01-28 | 2002-06-26 | 赵中林 | Jaw-roller crushing mill |
| JP4065494B2 (en) * | 2002-03-12 | 2008-03-26 | キヤノン株式会社 | Toner production method |
| CN1380142A (en) * | 2002-05-23 | 2002-11-20 | 邝超华 | Conical material bed vertical grinder |
| CN203329809U (en) * | 2013-07-05 | 2013-12-11 | 大唐华银电力股份有限公司金竹山火力发电分公司 | Air supply device for coal mill big gear wheel seal fan |
| CN103721831A (en) * | 2013-07-12 | 2014-04-16 | 孙世林 | Powder concentrating device in dry ball mill |
| CN203577944U (en) * | 2013-10-22 | 2014-05-07 | 山西兰花华明纳米材料有限公司 | Nano calcium carbonate pulverizing device capable of controlling moisture in depolymerization process |
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| Publication number | Publication date |
|---|---|
| CN107029852B (en) | 2019-02-15 |
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Effective date of registration: 20190104 Address after: 516000 Factory Building I of Xintang Section of Xihucun, Qiuchang Street, Huiyang District, Huizhou City, Guangdong Province Applicant after: Huizhou Yao Pet Products Co., Ltd. Address before: 130325 group 5, Shuangquan village, Shuanglong Village, five Township, Dehui City, Changchun, Jilin Applicant before: Lv Yanshuang |
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