CN204111563U - Vehicular waste mud of drilling well by harmless treatment unit - Google Patents
Vehicular waste mud of drilling well by harmless treatment unit Download PDFInfo
- Publication number
- CN204111563U CN204111563U CN201420604688.XU CN201420604688U CN204111563U CN 204111563 U CN204111563 U CN 204111563U CN 201420604688 U CN201420604688 U CN 201420604688U CN 204111563 U CN204111563 U CN 204111563U
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- prescription
- whizzer
- pipeline
- mixing
- treatment unit
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- 238000011282 treatment Methods 0.000 title claims abstract description 40
- 238000005553 drilling Methods 0.000 title claims abstract description 27
- 239000002699 waste material Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 31
- 238000003756 stirring Methods 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000011221 initial treatment Methods 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 12
- 239000007790 solid phase Substances 0.000 claims description 10
- 239000007791 liquid phase Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 18
- 239000002002 slurry Substances 0.000 description 14
- 239000007787 solid Substances 0.000 description 9
- 238000012545 processing Methods 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012993 chemical processing Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model relates to a kind of vehicular waste mud of drilling well by harmless treatment unit, comprise No. 1 process car and No. 2 process cars, wherein, wherein, No. 1 process car adopts clamshell car chassis, be provided with the variable frequency vibration screen for primary treatment, whizzer, No. 1 stirring handling machinery, No. 1 mixing device that makes up a prescription, No. 1 solidifying agent tank, slush pump, liquid charge pump and integrating control cabinet, No. 2 process cars adopt common chassis, be provided with the plate-and-frame filter press for secondary treatment, stir handling machinery, mixing tank, No. 2 make up a prescription mixing device and No. 2 solidifying agent tanks, this treatment unit can be live according to situ of drilling well, treatment in situ, and mechanization degree is high, maneuvering ability is good, cultivated land occupancy is few, do not damage arable land, movement is convenient, and the operating efficiency of dumping mud treatment can be increased substantially, efficiently solve the pollution problem of well drilling waste mud, to protection oily district environment, protect farmland, important effect is played in decreasing pollution discharge.
Description
Technical field
The utility model relates to mud-processing equipment technical field, particularly relates to a kind of vehicular waste mud of drilling well by harmless treatment unit.
Background technology
Mud is the one of drilling fluid, it is the mixed solution of water and clay particle and various chemical processing agent, well drilling waste mud refers to the not available mud formed in oil-gas field well-digging process, according to the incomplete statistics of part document, in well drilling waste mud, water ratio is about 50%, solid content about 36%, oil length about 6%, in addition also containing other organism and volatile matter about 8%, composition is extremely complicated, contaminative is comparatively large, belongs to the dangerous solid waste that extremely difficulty is put, and certainly will cause substantial pollution without effectively processing.Traditional well drilling waste mud processing mode is relatively backward, its main processing ways is still digged pit and is buried, equipment used is exactly that dirty agent falls in dozer lime powder etc., but this processing mode general effect is not very desirable, also thorough, neither very economical, because the heavy metal in discarded slurry and objectionable impurities still can penetrate ground, pollute and plough, be difficult to meet environmental requirement.In addition, if by drilling well produce discarded slurry carry out transporting and harmless treatment, need to mud sprinkle lime powder etc. fall dirty agent solidification after, with navvy from hole dig out, just can be transported to harmless treatment station and carry out Treatment for Reuse.And discarded slurry will be dug out from dell, not only waste time and energy, human cost is high, and labor capacity is large, inefficiency, and transportation cost is high.Along with the deep exploitation in oil field, oilfield drilling fluid Pollutant Treatment amount increases year by year, and each oil field will face severeer Environmental Protection Situation.For the process of discarded slurry, continue to use tradition stock tank of dredging and carry out precipitating and burying the mode of process, still environment and arable land are polluted, be unfavorable for protection and the Sustainable development of environment, also seriously constrain carrying out smoothly of oil drilling simultaneously.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, there is provided a kind of movement convenient, can be live according to situ of drilling well, treatment in situ, maneuvering ability is good, do not damage arable land, and can reduce processing cost, and discarded slurry can be made to recycle after process, avoid occurring secondary pollution, meet the vehicular waste mud of drilling well by harmless treatment unit of environmental requirement.
The technical scheme adopted for realizing the purpose of this utility model is: this treatment unit comprises No. 1 process car and No. 2 process cars, wherein, No. 1 process car adopts clamshell car chassis, be provided with the variable frequency vibration screen for primary treatment, whizzer, No. 1 stirring handling machinery, No. 1 mixing device that makes up a prescription, No. 1 solidifying agent tank, slush pump, liquid charge pump and integrating control cabinet, variable frequency vibration screen is wherein arranged on side, chassis rear portion, rear portion opposite side is put slush pump and liquid charge pump, whizzer is equipped with at the middle part of chassis, No. 1 stirring handling machinery and housing, integrated circuit switchboard is provided with in housing, outside side is provided with built-in control panel and power plug interface, the opposite side of whizzer is provided with No. 1 make up a prescription mixing device and No. 1 solidifying agent tank, the solid-phase outlet of whizzer is communicated with the opening for feed of No. 1 stirring handling machinery, number make up a prescription mixing device and No. 1 solidifying agent tank, and the solid-phase outlet of whizzer is communicated with the opening for feed of No. 1 stirring handling machinery, No. 2 process cars adopt common chassis, be provided with plate-and-frame filter press, the stirring handling machinery for secondary treatment, mixing tank, No. 2 make up a prescription mixing device and No. 2 solidifying agent tanks, wherein No. 2 make up a prescription mixing device and No. 2 solidifying agent tanks be arranged on chassis rear portion, plate-and-frame filter press and stir the middle part that handling machinery is arranged on chassis.
The fluid inlet of described variable frequency vibration screen is connected with mud pump outlet by flexible pipe, and the solid-phase outlet of variable frequency vibration screen is connected with whizzer by pipeline.
No. 1 valve that described No. 1 mixing device that makes up a prescription comprises No. 1 mixing tank that makes up a prescription, No. 1 compound pump, pipeline and is contained on pipeline, wherein, the side of No. 1 compound pump is connected with No. 1 mixing tank that makes up a prescription by pipeline, and opposite side is communicated with whizzer by pipeline.
No. 2 valves that described No. 2 mixing devices that make up a prescription comprise No. 2 mixing tanks that make up a prescription, No. 2 compound pumps, pipelines and are contained on pipeline, wherein, the side of No. 2 mixing tanks that make up a prescription is communicated with mixing tank by pipeline, and opposite side is connected with No. 2 compound pumps.
The liquid outlet of described mixing tank is connected with plate-and-frame filter press by pipeline, and the fluid inlet of mixing tank is communicated with the whizzer liquid-phase outlet on No. 1 process car by flexible pipe.
Described variable frequency vibration screen import is connected with mud pump outlet by flexible pipe, by slush pump by suction slurry transportation in variable frequency vibration screen, the solid-phase outlet of variable frequency vibration screen is connected with whizzer by pipeline.
The vehicular waste mud of drilling well by harmless treatment unit made according to such scheme, its beneficial effect is:
1, vehicular waste mud of drilling well by harmless treatment unit is adopted, can be live according to situ of drilling well, treatment in situ, and mechanization degree is high, maneuvering ability is good, cultivated land occupancy is few, does not damage arable land, movement is convenient, and the operating efficiency of dumping mud treatment can be increased substantially, shorten working cycle, reduce processing cost.
2, vehicular waste mud of drilling well by harmless treatment unit of the present utility model achieves the automatization of slurry collecting process, vehicle-mountedization for the treatment of of mud device and the integrated of control; and lay composite impermeable membrane in disposal field; can effectively prevent noxious pollutant from infiltrating stratum; the comprehensive pollution problem solving well drilling waste mud; to protection oily district environment; protect farmland, important effect is played in decreasing pollution discharge.
3, treatment unit of the present utility model is used, discarded slurry can be made to realize harmless treatment, discarded slurry can be reclaimed 50% can reuse water, the solid mud after harmless treatment can be used as pavior, brick producing material reuse, runs processing costs lower than traditional treatment method by 40%.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of the utility model No. 1 car;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the structural representation of the utility model No. 2 cars.
Embodiment
Referring to Fig. 1, Fig. 2, vehicular waste mud of drilling well by harmless treatment unit of the present utility model comprises No. 1 process car and No. 2 process cars, wherein, No. 1 process car adopts clamshell car chassis 1-1, it carries ceiling mounted arm 1-3, car is laid with the variable frequency vibration screen 1-4 for primary treatment, whizzer 1-2, No. 1 stirring handling machinery 1-11, No. 1 mixing device that makes up a prescription, No. 1 solidifying agent tank 1-9, slush pump 1-8, liquid charge pump 1-7 and integrating control cabinet 1-6, variable frequency vibration screen 1-4 is wherein arranged on the side, rear portion of chassis 1-1, slush pump 1-8 and liquid charge pump 1-7 is positioned at rear portion opposite side, whizzer 1-2 is equipped with at the middle part of chassis 1-1, No. 1 stirring handling machinery 1-11 and housing 1-6, integrated circuit switchboard is provided with in housing 1-6, outside side is provided with built-in control panel 1-5 and power plug interface, the opposite side of whizzer 1-2 is provided with No. 1 make up a prescription mixing device and No. 1 solidifying agent tank 1-9, the solid-phase outlet 1-17 of whizzer 1-2 is communicated with the opening for feed of No. 1 stirring handling machinery 1-11, the liquid-phase outlet 1-15 of whizzer 1-2 is communicated with the mixing tank 2-5 on No. 2 cars by flexible pipe, the valve 1-10 that described No. 1 mixing device that makes up a prescription comprises No. 1 mixing tank 1-12 that makes up a prescription, No. 1 compound pump 1-13 and is contained on pipeline, wherein, one end of No. 1 compound pump 1-12 is connected with No. 1 mixing tank 1-12 that makes up a prescription by pipeline, and the other end is communicated with whizzer 1-2 by pipeline, the import 1-14 of described variable frequency vibration screen 1-4 is connected by the outlet of flexible pipe with slush pump 1-8, by slush pump 1-8 by suction slurry transportation in variable frequency vibration screen 1-4, the solid-phase outlet 1-16 of variable frequency vibration screen 1-4 is connected with whizzer 1-11 by pipeline.
Referring to Fig. 3, it is the structural representation of the utility model No. 2 cars, that No. 2 process cars adopt is common chassis 2-1, be provided with for the plate-and-frame filter press 2-2 of secondary treatment, No. 2 stirring handling machinery 2-3, mixing tank 2-5, No. 2 make up a prescription mixing device and No. 2 solidifying agent tank 2-4, make up a prescription mixing device and No. 2 solidifying agent tank 2-4 of mixing tank 2-5 and No. 2 is wherein arranged on the rear portion of chassis 2-1, plate-and-frame filter press 2-2 and stir the middle part that handling machinery 2-3 is arranged on chassis 2-1.No. 2 valve 2-6 that described No. 2 mixing devices that make up a prescription comprise No. 2 mixing tank 2-7 that make up a prescription, No. 2 compound pump 2-8, pipelines and are contained on pipeline, wherein, the side of No. 2 mixing tank 2-7 that make up a prescription is communicated with mixing tank 2-5 by pipeline, and opposite side is connected with No. 2 compound pump 2-8.
The liquid outlet of described mixing tank 2-5 is connected with plate-and-frame filter press 2-2 by pipeline, and the fluid inlet of mixing tank 2-5 is communicated with the whizzer liquid-phase outlet 1-15 on No. 1 process car by flexible pipe 2-9.In the present case, on the variable frequency vibration screen on No. 1 process car, whizzer and No. 2 process cars, plate-and-frame filter press, No. 2 stirring handling machinerys are known products, and can commercially directly purchase, its structure repeats no more.
Principle of work: well drilling waste mud flows into detachable slurry collecting pond, completes pending slurry collecting; By the ceiling mounted arm 1-3 on No. 1 process car, slush pump 1-8 is hung in detachable slurry collecting pond, high-pressure water inlet place in slush pump 1-8 is connected with liquid charge pump 1-7 by high pressure hose, the outlet of slush pump 1-8 is connected with the fluid inlet 1-14 on the variable frequency vibration screen 1-4 on No. 1 process car by flexible pipe, by slush pump 1-8 the slurry fluid of suction is transported in variable frequency vibration screen 1-4 and carries out preliminary solid, liquid separation, fluid enters whizzer 1-2, by No. 1 mixing device that makes up a prescription, add flocculation agent and coagulant aids; The mud solids that variable frequency vibration screen 1-4 is separated simultaneously is entered by vibratory screening apparatus solid-phase outlet 1-16 and stirs handling machinery 1-11, by No. 1 solidifying agent tank 1-9 to stirring in handling machinery 1-11 solidifying agent of providing and delivering, after completing innoxious solidification treatment, sending into innoxious solid, to stack field for subsequent use temporarily; The fluid entering whizzer 1-2 is separated by further solid, liquid again, the content being harmful to solid phase according to mud system is determined, the fluid meeting environmental requirement directly can enter detachable processed mud reuse tank, the fluid not meeting environmental requirement enters the mixing tank 2-5 of No. 2 cars by flexible pipe, gel breaker, flocculation agent and coagulant aids is again added by No. 2 mixing devices that make up a prescription, in mixing tank 2-5 mixture evenly after enter plate-and-frame filter press 2-2, the filtrate of extrusion enters detachable processed mud reuse tank or tank car pulls away; The mud solids that whizzer 1-2 is separated and the mud solids that plate-and-frame filter press 2-2 extrudes enter No. 2 stirring handling machinery 2-3, to be provided and delivered in No. 2 stirring handling machinery 2-3 solidifying agent by No. 2 solidifying agent tank 2-4, after innoxious solidification treatment, send into innoxious solid and stack field temporarily, can be used as pavior or brick producing material, the clear liquid entering detachable processed mud reuse tank after treatment can be supplied to liquid charge pump 1-7 and carry out reuse as aspirated liquid recirculated water.Treatment unit of the present utility model, its control section adopts integrated circuit to control, the control of stirring handling machinery 2-3, the plate-and-frame filter press 2-2 on No. 2 process cars, No. 2 mixing devices that make up a prescription, all be connected with the power plug interface on No. 1 process car housing 1-6 by power line and plug, the red-tape operati of whole treatment unit, controls by the control panel 1-5 in housing 1-6.
Claims (5)
1. a vehicular waste mud of drilling well by harmless treatment unit, it is characterized in that: this treatment unit comprises No. 1 process car and No. 2 process cars, wherein, No. 1 process car adopts clamshell car chassis, be provided with the variable frequency vibration screen for primary treatment, whizzer, No. 1 stirring handling machinery, No. 1 mixing device that makes up a prescription, No. 1 solidifying agent tank, slush pump, liquid charge pump and integrating control cabinet, variable frequency vibration screen is wherein arranged on side, chassis rear portion, rear portion opposite side is put slush pump and liquid charge pump, whizzer is equipped with at the middle part of chassis, No. 1 stirring handling machinery and housing, integrated circuit switchboard is provided with in housing, outside side is provided with built-in control panel and power plug interface, the opposite side of whizzer is provided with No. 1 make up a prescription mixing device and No. 1 solidifying agent tank, the solid-phase outlet of whizzer is communicated with the opening for feed of No. 1 stirring handling machinery, No. 2 process cars adopt common chassis, be provided with plate-and-frame filter press, the stirring handling machinery for secondary treatment, mixing tank, No. 2 mixing devices that make up a prescription, No. 2 solidifying agent tanks, wherein No. 2 make up a prescription mixing device and No. 2 solidifying agent tanks be arranged on chassis rear portion, plate-and-frame filter press and stir the middle part that handling machinery is arranged on chassis.
2. vehicular waste mud of drilling well by harmless treatment unit according to claim 1, is characterized in that: the fluid inlet of described variable frequency vibration screen is connected with mud pump outlet by flexible pipe, and the solid-phase outlet of variable frequency vibration screen is connected with whizzer by pipeline.
3. vehicular waste mud of drilling well by harmless treatment unit according to claim 1, it is characterized in that: No. 1 valve that described No. 1 mixing device that makes up a prescription comprises No. 1 mixing tank that makes up a prescription, No. 1 compound pump, pipeline and is contained on pipeline, wherein, the side of No. 1 compound pump is connected with No. 1 mixing tank that makes up a prescription by pipeline, and opposite side is communicated with whizzer by pipeline.
4. vehicular waste mud of drilling well by harmless treatment unit according to claim 1, it is characterized in that: No. 2 valves that described No. 2 mixing devices that make up a prescription comprise No. 2 mixing tanks that make up a prescription, No. 2 compound pumps, pipelines and are contained on pipeline, wherein, the side of No. 2 mixing tanks that make up a prescription is communicated with mixing tank by pipeline, and opposite side is connected with No. 2 compound pumps.
5. vehicular waste mud of drilling well by harmless treatment unit according to claim 1, it is characterized in that: the liquid outlet of described mixing tank is connected with plate-and-frame filter press by pipeline, the fluid inlet of mixing tank is communicated with the whizzer liquid-phase outlet on No. 1 process car by flexible pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420604688.XU CN204111563U (en) | 2014-10-20 | 2014-10-20 | Vehicular waste mud of drilling well by harmless treatment unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420604688.XU CN204111563U (en) | 2014-10-20 | 2014-10-20 | Vehicular waste mud of drilling well by harmless treatment unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204111563U true CN204111563U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420604688.XU Active CN204111563U (en) | 2014-10-20 | 2014-10-20 | Vehicular waste mud of drilling well by harmless treatment unit |
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| Country | Link |
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| CN (1) | CN204111563U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106977071A (en) * | 2017-05-18 | 2017-07-25 | 贵州美瑞特环保科技有限公司 | A kind of new mercurous and heavy metal sewage sludge dehydration minimizing device |
| CN107673575A (en) * | 2017-09-29 | 2018-02-09 | 程刚 | A kind of vehicle-mounted integrated form sludge dewatering and solidifying device |
| CN108137365A (en) * | 2015-08-20 | 2018-06-08 | Vhs Ip私人有限公司 | Spoil disposal factory |
| CN108952566A (en) * | 2018-07-16 | 2018-12-07 | 长沙南理技术推广服务有限公司 | A kind of robot and its working method for riverbed excavation |
| CN110156292A (en) * | 2019-05-29 | 2019-08-23 | 中清深利(深圳)科技有限公司 | A kind of slurry dewatering solidifying and resource utilization method |
| CN110821444A (en) * | 2019-11-15 | 2020-02-21 | 山东澜达石油设备有限公司 | Vehicle-mounted movable waste reinjection device and waste reinjection system |
| CN114853306A (en) * | 2022-05-17 | 2022-08-05 | 西安华盛坤泰能源环保科技有限公司 | Automatic treatment device for waste slurry of oil field drilling |
-
2014
- 2014-10-20 CN CN201420604688.XU patent/CN204111563U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108137365A (en) * | 2015-08-20 | 2018-06-08 | Vhs Ip私人有限公司 | Spoil disposal factory |
| CN106977071A (en) * | 2017-05-18 | 2017-07-25 | 贵州美瑞特环保科技有限公司 | A kind of new mercurous and heavy metal sewage sludge dehydration minimizing device |
| CN107673575A (en) * | 2017-09-29 | 2018-02-09 | 程刚 | A kind of vehicle-mounted integrated form sludge dewatering and solidifying device |
| CN108952566A (en) * | 2018-07-16 | 2018-12-07 | 长沙南理技术推广服务有限公司 | A kind of robot and its working method for riverbed excavation |
| CN110156292A (en) * | 2019-05-29 | 2019-08-23 | 中清深利(深圳)科技有限公司 | A kind of slurry dewatering solidifying and resource utilization method |
| CN110821444A (en) * | 2019-11-15 | 2020-02-21 | 山东澜达石油设备有限公司 | Vehicle-mounted movable waste reinjection device and waste reinjection system |
| CN114853306A (en) * | 2022-05-17 | 2022-08-05 | 西安华盛坤泰能源环保科技有限公司 | Automatic treatment device for waste slurry of oil field drilling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TANGHE KELI WOTE ENVIRONMENTAL PROTECTION TECHNOLO Free format text: FORMER OWNER: JIA JUNPEI Effective date: 20150522 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 473132 NANYANG, HENAN PROVINCE TO: 473400 NANYANG, HENAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150522 Address after: Industry in Tanghe County of Nanyang City, Henan province 473400 area Taiwan Industrial Park Patentee after: TANGHE CLEAN WATER ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: 473132, No. 4, building 3, unit 6, building 402, gardener area, Nanyang oil field, Nanyang, Henan Patentee before: Jia Junpei |