CN209853794U - Underground floating oil collecting device - Google Patents
Underground floating oil collecting device Download PDFInfo
- Publication number
- CN209853794U CN209853794U CN201920468464.3U CN201920468464U CN209853794U CN 209853794 U CN209853794 U CN 209853794U CN 201920468464 U CN201920468464 U CN 201920468464U CN 209853794 U CN209853794 U CN 209853794U
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- collecting
- pipe
- collecting cover
- buoy
- cover
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- 238000007667 floating Methods 0.000 title claims abstract description 70
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 230000009471 action Effects 0.000 claims description 4
- 239000003673 groundwater Substances 0.000 abstract description 19
- 238000011084 recovery Methods 0.000 abstract description 14
- 239000002689 soil Substances 0.000 abstract description 7
- 238000009792 diffusion process Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 101
- 239000007788 liquid Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 6
- 238000005086 pumping Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003784 tall oil Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Landscapes
- Removal Of Floating Material (AREA)
Abstract
The utility model relates to an underground floating oil collecting device, which comprises a float bowl, a collecting cover, a sealing pipe, an adjusting mechanism, a collecting pipe and a telescopic pipe; the collecting cover and the floating barrel are fixedly connected through an adjusting mechanism; the top of the collecting cover is provided with a collecting cover through hole; the sealing pipe vertically penetrates through the through hole of the collecting cover from top to bottom and extends into the inner side of the buoy; the upper end of the sealing pipe extends out of the upper part of the collecting cover, and the lower end part of the sealing pipe is fixedly connected with the inner bottom of the floating barrel in a sealing way; the collecting pipe movably penetrates through an inner hole of the sealing pipe from top to bottom, the upper end of the collecting pipe is provided with an upper limiting baffle, and the lower end of the collecting pipe is provided with a lower limiting baffle; the upper end part of the collecting pipe is connected to the ground surface collecting tank through a vacuum pump; one end of the telescopic pipe is communicated with the inner cavity of the collecting cover, and the other end of the telescopic pipe is communicated with the upper end of the collecting pipe. The utility model discloses can carry out the oil slick that contains in the groundwater of oil slick and groundwater effectively to separate and retrieve, oil slick recovery efficiency is high, can carry out the efficient handling to contaminated soil to can block the further diffusion of pollution.
Description
Technical Field
The utility model relates to a sewage light oil slick phase recovery field, in particular to oil slick collection device in pit.
Background
During production, storage or transportation of petroleum products, leakage of chemicals is often caused by long-term maintenance of storage tanks, breakage of transportation pipelines, processing techniques and the like, and these oil products or petrochemical raw materials are transported and moved downwards under the action of gravity. When these leaked oil or petrochemical materials infiltrate down into the underground aquifer, the oil or petrochemical materials have a lower density than water and float above the surface of the underground water body to form an oil-floating phase (referred to as a light, water-insoluble phase liquid). We will refer to herein as tall oil. The pollutants are continuously dissolved into underground water through accumulation to cause soil and underground water pollution, and the quality of the underground water is seriously influenced. Especially, the continuous diffusion of groundwater pollution can cause a wider range of pollution, and the existing floating oil collecting technology can not thoroughly improve the condition of pollution diffusion.
Disclosure of Invention
To the problem that exists among the above-mentioned background art, the utility model provides a structural design is simple, reasonable, can carry out effective separation and recovery with the groundwater oil slick that contains the oil slick and groundwater, operation convenient to use, oil slick recovery efficiency is high, can effectively avoid causing soil and groundwater to pollute, can improve the oil slick collection device in pit of groundwater quality greatly.
The technical scheme of the utility model as follows:
the underground floating oil collecting device comprises a buoy, a collecting cover, a sealing pipe, an adjusting mechanism, a collecting pipe and a telescopic pipe; the buoy and the collection cover float in water, and the collection cover covers the part of the buoy floating out of the water surface; the collecting cover and the floating barrel are fixedly connected through the adjusting mechanism; the lower edge of the collecting cover is flush with the horizontal plane and a gap is reserved between the lower edge of the collecting cover and the buoy, and the gap between the lower edge of the collecting cover and the buoy is an oil inlet; a collecting cover through hole is formed in the center of the top of the collecting cover; the sealing pipe vertically penetrates through the through hole of the collecting cover from top to bottom and extends into the inner side of the buoy; the upper end of the sealing pipe extends out of the upper part of the collecting cover, and the lower end part of the sealing pipe is fixedly connected with the inner bottom of the floating barrel in a sealing way; the adjusting mechanism is matched and positioned at the through hole of the collecting cover; the collecting pipe movably penetrates through an inner hole of the sealing pipe from top to bottom, the upper end of the collecting pipe extends out of the upper part of the top end of the sealing pipe and is provided with an upper limiting baffle in a matched mode, and the lower end of the collecting pipe extends out of the outer side of the bottom of the buoy and is provided with a lower limiting baffle in a matched mode; the collection cover and the buoy which are fixedly connected through the adjusting mechanism freely move between the upper limit baffle and the lower limit baffle along the collection pipe; the upper end part of the collecting pipe is connected with an external vacuum pump and is connected to an earth surface collecting tank through the vacuum pump; one end of the telescopic pipe is communicated with the inner cavity of the collecting cover, and the other end of the telescopic pipe is communicated with the upper end of the collecting pipe.
The oil slick collection device in pit, wherein: the adjusting mechanism comprises a short wire, an upper nut and a lower nut; the short wire is of a hollow short wire structure and is sleeved and fixed outside the upper section of the sealing pipe in a matching manner, one end of the short wire penetrates through the through hole of the collecting cover and extends into the inner side of the collecting cover, and the other end of the short wire penetrates through the through hole of the collecting cover and extends out of the upper outer side of the collecting cover; the lower nut is connected to one end, extending into the inner side of the collecting cover, of the short wire in a matched mode through threads; the upper nut is connected with the other end of the short wire extending out of the upper outer side of the collecting cover in a matching mode through threads.
The oil slick collection device in pit, wherein: the lower part of the buoy is immersed below the water surface, and the upper part of the buoy floats above the water surface; the top and the bottom center of the float bowl are provided with float bowl through holes.
The oil slick collection device in pit, wherein: the sealing pipe sequentially vertically penetrates through the collecting cover through hole and the buoy through hole from top to bottom and extends into the inner side of the buoy; the upper end of the sealing pipe extends out of the upper part of the collecting cover, and the lower end of the sealing pipe extends into the inner side of the float bowl, the end part of the sealing pipe is fixedly connected with the inner bottom of the float bowl in a sealing mode.
The oil slick collection device in pit, wherein: the telescopic pipes are obliquely arranged; one end of each telescopic pipe is connected with the top of the collecting cover and communicated with the inner cavity of the collecting cover, and the other end of each telescopic pipe is connected with the collecting pipe above the upper limiting baffle and communicated with the collecting pipe.
The oil slick collection device in pit, wherein: the telescopic pipe is in flexible connection with the collecting pipe so as to enable the buoy to freely move in a stroke range under the action of buoyancy.
Has the advantages that:
the utility model discloses oil slick collection device in pit structural design is simple, reasonable, and operation convenient to use can directly take dirty oil out, directly has carried out the separation with oil and water, and oil slick recovery efficiency is high, can effectively avoid causing soil and groundwater to pollute, can improve groundwater quality greatly.
The utility model discloses oil slick collection device in pit can collect the oil slick in effluent water treatment in-process effluent water sump, the trench oil in the kitchen garbage etc.. The utility model discloses can realize the restoration to soil and groundwater at internal to and the removal of floating oil in the underground environment medium.
The utility model discloses oil slick collection device in pit can handle shallow oil reservoir and dark oil reservoir, and this oil slick in groundwater is collected through digging a well, the utility model discloses can do very little to can follow the oil slick liquid level automatically and collect, the utility model discloses can effectively block the further diffusion that groundwater pollutes.
Drawings
FIG. 1 is a schematic structural view of the underground floating oil collecting device of the present invention;
FIG. 2 is a schematic view of the structure assembly of the underground floating oil collecting device of the present invention;
FIG. 3 is a diagram of the floating mechanism of the underground floating oil collecting device of the present invention in water;
FIG. 4 is a diagram illustrating the floating mechanism of the underground floating oil collecting device floating in shallow oil liquid;
fig. 5 is a state diagram of the floating mechanism floating in the deep oil liquid of the underground floating oil collecting device of the present invention.
Description of the drawings:
in fig. 3, black is a part entering water, and an oil inlet is level with the water surface;
in fig. 4, the floating mechanism has floated up because the density of the oil is less than that of the water, the oil inlet floats up and leaves the water surface, and the floating mechanism is between the water surface and the oil surface;
in fig. 5, because the density of oil is less than that of water, the floating mechanism floats upwards greatly, the floating oil submerges the floating mechanism a lot, and the oil inlet is higher than the water level but not higher than the oil level.
Detailed Description
As shown in figure 1, the utility model discloses oil slick collection device in pit, including flotation pontoon 1, collection cover 2, sealed tube 3, guiding mechanism 4, collecting pipe 5 and flexible pipe 6.
The buoy 1, the collection cover 2, the sealing pipe 3, the adjusting mechanism 4 and the telescopic pipe 6 form a floating mechanism together; the average density of the floating mechanism is larger than the density of oil and smaller than the density of water, so that the floating mechanism can float in a certain range of the oil-water separation interface and track the oil-water separation interface.
The buoy 1 floats in water, the lower part of the buoy is immersed below the water surface, and the upper part of the buoy floats above the water surface; the top and the bottom of the buoy 1 are provided with buoy through holes in the center.
The collecting cover 2 also floats in water and covers the upper part of the floating pontoon 1 above the water surface, and the collecting cover 2 and the floating pontoon 1 are fixedly connected through an adjusting mechanism 4; the center of the top of the collecting cover 2 is provided with a collecting cover through hole; the lower edge of the collecting cover 2 is level with the horizontal plane and a gap is reserved between the lower edge of the collecting cover 2 and the buoy 1, and the gap between the lower edge of the collecting cover 2 and the buoy 1 is an oil inlet 7.
The sealing pipe 3 vertically penetrates through the collecting cover through hole at the top of the collecting cover 2 and the buoy through hole at the top of the buoy 1 from top to bottom in sequence and extends into the inner side of the buoy 1, the upper end of the sealing pipe 3 extends out above the collecting cover 2, and the lower end of the sealing pipe extends into the inner side of the buoy 1 and the end part of the sealing pipe is fixedly connected with the inner bottom of the buoy 1 in a sealing manner. The sealing pipe 3 is used for connecting the buoy 1 and the collection cover 2, and has the functions of sealing the buoy 1 and guiding.
This guiding mechanism 4 matches and is located this collection cover through-hole department that collects cover 2, and guiding mechanism 4 can adjust and collect the relative distance between cover 2 and the flotation pontoon 1, adjusts the height of oil inlet 7 and oil water interface promptly, guarantees the surface of water parallel and level when the relocation mechanism immerses in the water, can suitably adjust according to the oil slick volume. As shown in fig. 2, the adjusting mechanism 4 includes a short wire 41, an upper nut 42 and a lower nut 43; the short wire 41 is of a hollow short wire structure and is fixed outside the upper section of the sealing tube 3 in a matching way, one end of the short wire penetrates through a through hole of the collecting cover in the center of the top of the collecting cover 2 and extends into the inner side of the collecting cover 2, and the other end of the short wire penetrates through a through hole of the collecting cover in the center of the top of the collecting cover 2 and extends out to the outer side of the upper part of the collecting cover 2; the lower nut 43 is connected with one end of the short wire 41 extending into the collecting cover 2 in a matching way through threads; the upper nut 42 is screwed on the end of the short wire 41 that protrudes outside the upper part of the collecting hood 2. The adjusting mechanism 4 can adjust the relative distance between the collecting cover 2 and the buoy 1 in real time through the short wire 41, the upper nut 42 and the lower nut 43, and the adjusting mechanism 4 ensures the adjustment of the oil-water interface gap size and the adjustment of the processing error at the oil inlet 7; specifically, when the oil-water interface clearance at the oil inlet 7 needs to be enlarged, the upper nut 42 and the lower nut 43 can be loosened, the collecting cover 2 is lifted, after the collecting cover 2 is lifted to a proper position, the upper nut 42 and the lower nut 43 are simultaneously screwed, and the collecting cover 2 is fixed; when the oil-water interface clearance at the oil inlet 7 needs to be adjusted, the upper nut 42 and the lower nut 43 can be loosened, the collecting cover 2 descends, the upper nut 42 and the lower nut 43 are simultaneously screwed after the collecting cover 2 descends to a proper position, and the collecting cover 2 is fixed.
The collecting pipe 5 movably penetrates through an inner hole of the sealing pipe 3 from top to bottom, the upper end of the collecting pipe extends out of the upper part of the top end of the sealing pipe 3 and is provided with an upper limiting baffle 51 in a matched mode, and the lower end of the collecting pipe extends out of the bottom of the buoy 1 and is provided with a lower limiting baffle 52 in a matched mode; the buoy 1 and the collection cover 2 which are connected and fixed through the adjusting mechanism 4 can freely move between the upper limit baffle 51 and the lower limit baffle 52 along the collection pipe 6; the upper end of the collecting pipe 5 is matched and connected with an external vacuum pump and is connected to a surface collecting tank through the vacuum pump. The upper limit baffle 51 and the lower limit baffle 52 are used for fixing the floating stroke of the upper limit and the lower limit of the buoy 1, limiting the strokes of the buoy 1 and the collecting cover 2, protecting and guiding the telescopic pipe 6, protecting the telescopic pipe 6 from being stressed in the stroke range, preventing the telescopic pipe 6 from being damaged, and enabling the floating mechanism to ascend and descend along the collecting pipe 5. The outside of the underground water well is provided with a vacuum pump, when the vacuum pump is used for pumping the floating oil collected from the collecting pipe 5, the liquid level is reduced, a leakage ring is formed around the collecting cover 2, and the floating oil is sucked by negative pressure and collected to the collecting cover 2, so that the floating oil is collected.
The telescopic pipes 6 are symmetrically and obliquely arranged, one end of each telescopic pipe 6 is connected with the top of the collecting cover 2 and communicated with the inner cavity of the collecting cover 2, and the other end of each telescopic pipe 6 is connected with the upper end of the collecting pipe 5 above the upper limit baffle 51 and communicated with the collecting pipe 5. The telescopic pipe 6 is used for guiding the floating oil collected by the collecting cover 2 into the collecting pipe 5, and the telescopic pipe 6 is in flexible connection with the collecting pipe 5 so that the buoy 1 can freely move under the action of buoyancy in a stroke range; the two telescopic pipes 6 are symmetrically arranged, so that the floating mechanism can be kept balanced, and the floating mechanism can freely move between the upper limit baffle 51 and the lower limit baffle 52, namely between the upper limit baffle and the lower limit baffle, so that the effect of collecting oil is achieved. When the utility model discloses when oil water separating interface within range was inserted to oil recovery collection device in the pit, go up limit baffle 51 and limit baffle 52 can guarantee down the utility model discloses oil recovery collection device fluctuation range in the pit, flexible pipe 6 is not damaged in the protection, just the utility model discloses oil recovery collection device in the pit matches unanimously with flexible pipe 6 flexible volume.
The utility model discloses an application principle:
in general, when recovering the oil-floating phase material, a floating oil recovery well is installed in an area polluted by floating oil and a floating oil recovery device is installed to recover the floating oil.
The region that suffers from near petrochemical plant or the oil contamination that spills of filling station at groundwater will the utility model discloses in oil recovery unit stretched into the recovery well in the pit, made it float in the groundwater face (groundwater comes from soil) that receives oil contamination, through the vacuum pump with oil slick and ground water separation.
The floating oil is collected into the collecting cover through the gap of the collecting cover 2, namely the oil inlet 7, then enters the collecting pipe 5 through the extension pipe 6, and is sucked into the ground surface collecting tank in a vacuum pump suction mode; a relief ring is formed in the vacuum oil pumping process, the floating mechanism can track the water surface floating according to the oil surface filling, and the floating oil pumping is realized through control; the buoy 1 is designed with a certain weight to ensure the stability of the buoy and prevent the shaking during the vacuum pumping.
As shown in FIGS. 2 to 4, assuming that the density of water 001 is 1, the density of floating oil 002 is 0.8, and the average density of the floating mechanism is 0.9, i.e., ρOil<ρFloating mechanism<ρWater (W)(ii) a The floating mechanism is immersed in the floatIn the oil 002, the floating mechanism is immersed by the floating oil 002, and the oil inlet 7 is continuously raised along with the increase of the floating oil 002; during balance, the oil inlet 7 is relatively stable; the floating mechanism has the function of automatically tracking the interface between the water 001 and the floating oil 002, can track the height of the water-oil liquid level, when the floating oil 002 is increased, the oil inlet 7 is far away from the water level, and when the floating oil 002 is reduced, the oil level is lowered; when the oil layer of the floating oil 002 is thick, the floating oil 002 is pumped out by the vacuum pump; when the oil layer of the floating oil 002 is thin, the floating oil 002 may be drawn out together with the water 001, and the mixed liquid of the water 001 and the floating oil 002 is drawn out by the vacuum pump, and the floating mechanism is raised within a certain range as the oil level rises.
The utility model has the advantages of simple and reasonable design, can carry out effective separation and recovery with the groundwater oil slick that contains the oil slick and groundwater, operation convenient to use, oil slick recovery efficiency is high, can effectively avoid causing soil and groundwater to pollute, can improve groundwater quality greatly.
Claims (6)
1. The utility model provides a oily collection device floats in pit which characterized in that: the floating oil collecting device comprises a buoy, a collecting cover, a sealing pipe, an adjusting mechanism, a collecting pipe and a telescopic pipe;
the buoy and the collection cover float in water, and the collection cover covers the part of the buoy floating out of the water surface; the collecting cover and the floating barrel are fixedly connected through the adjusting mechanism; the lower edge of the collecting cover is flush with the horizontal plane and a gap is reserved between the lower edge of the collecting cover and the buoy, and the gap between the lower edge of the collecting cover and the buoy is an oil inlet; a collecting cover through hole is formed in the center of the top of the collecting cover;
the sealing pipe vertically penetrates through the through hole of the collecting cover from top to bottom and extends into the inner side of the buoy; the upper end of the sealing pipe extends out of the upper part of the collecting cover, and the lower end part of the sealing pipe is fixedly connected with the inner bottom of the floating barrel in a sealing way; the adjusting mechanism is matched and positioned at the through hole of the collecting cover;
the collecting pipe movably penetrates through an inner hole of the sealing pipe from top to bottom, the upper end of the collecting pipe extends out of the upper part of the top end of the sealing pipe and is provided with an upper limiting baffle in a matched mode, and the lower end of the collecting pipe extends out of the outer side of the bottom of the buoy and is provided with a lower limiting baffle in a matched mode; the collection cover and the buoy which are fixedly connected through the adjusting mechanism freely move between the upper limit baffle and the lower limit baffle along the collection pipe; the upper end part of the collecting pipe is connected with an external vacuum pump and is connected to an earth surface collecting tank through the vacuum pump;
one end of the telescopic pipe is communicated with the inner cavity of the collecting cover, and the other end of the telescopic pipe is communicated with the upper end of the collecting pipe.
2. The apparatus for collecting oil slick downhole as defined in claim 1, wherein: the adjusting mechanism comprises a short wire, an upper nut and a lower nut; the short wire is of a hollow short wire structure and is sleeved and fixed outside the upper section of the sealing pipe in a matching manner, one end of the short wire penetrates through the through hole of the collecting cover and extends into the inner side of the collecting cover, and the other end of the short wire penetrates through the through hole of the collecting cover and extends out of the upper outer side of the collecting cover; the lower nut is connected to one end, extending into the inner side of the collecting cover, of the short wire in a matched mode through threads; the upper nut is connected with the other end of the short wire extending out of the upper outer side of the collecting cover in a matching mode through threads.
3. The apparatus for collecting oil slick downhole as defined in claim 1, wherein: the lower part of the buoy is immersed below the water surface, and the upper part of the buoy floats above the water surface; the top and the bottom center of the float bowl are provided with float bowl through holes.
4. The apparatus for collecting oil slick downhole as defined in claim 3, wherein: the sealing pipe sequentially vertically penetrates through the collecting cover through hole and the buoy through hole from top to bottom and extends into the inner side of the buoy;
the upper end of the sealing pipe extends out of the upper part of the collecting cover, and the lower end of the sealing pipe extends into the inner side of the float bowl, the end part of the sealing pipe is fixedly connected with the inner bottom of the float bowl in a sealing mode.
5. The apparatus for collecting oil slick downhole as defined in claim 1, wherein: the telescopic pipes are obliquely arranged; one end of each telescopic pipe is connected with the top of the collecting cover and communicated with the inner cavity of the collecting cover, and the other end of each telescopic pipe is connected with the collecting pipe above the upper limiting baffle and communicated with the collecting pipe.
6. The apparatus for collecting oil slick downhole as defined in claim 5, wherein: the telescopic pipe is in flexible connection with the collecting pipe so as to enable the buoy to freely move in a stroke range under the action of buoyancy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920468464.3U CN209853794U (en) | 2019-04-09 | 2019-04-09 | Underground floating oil collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920468464.3U CN209853794U (en) | 2019-04-09 | 2019-04-09 | Underground floating oil collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209853794U true CN209853794U (en) | 2019-12-27 |
Family
ID=68936653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920468464.3U Active CN209853794U (en) | 2019-04-09 | 2019-04-09 | Underground floating oil collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209853794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109879369A (en) * | 2019-04-09 | 2019-06-14 | 张兴奎 | A kind of underground floating oil collecting device |
-
2019
- 2019-04-09 CN CN201920468464.3U patent/CN209853794U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109879369A (en) * | 2019-04-09 | 2019-06-14 | 张兴奎 | A kind of underground floating oil collecting device |
| CN109879369B (en) * | 2019-04-09 | 2023-12-05 | 北京沃太斯环保科技发展有限公司 | Underground oil slick collecting device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200326 Address after: 100023 building 906, No.13, Greenland Central Plaza, Xiaotangshan Town, Changping District, Beijing Patentee after: BEIJING VICTEX ENVIRONMENTAL PROTECTION TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 221000 No. 101, Shanghai Road, Copper Mt. New District, Jiangsu, Xuzhou Patentee before: Zhang Xingkui |