CN106765080B - Liquid fuel combustion combination device and boiler system - Google Patents
Liquid fuel combustion combination device and boiler system Download PDFInfo
- Publication number
- CN106765080B CN106765080B CN201710020801.8A CN201710020801A CN106765080B CN 106765080 B CN106765080 B CN 106765080B CN 201710020801 A CN201710020801 A CN 201710020801A CN 106765080 B CN106765080 B CN 106765080B
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- Prior art keywords
- burner
- branch
- fuel
- pipe
- air supply
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- 239000000446 fuel Substances 0.000 title claims abstract description 117
- 239000007788 liquid Substances 0.000 title claims abstract description 60
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 39
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 239000002828 fuel tank Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Of Fluid Fuel (AREA)
Abstract
The invention provides a liquid fuel combustion combination device and a boiler system, wherein the liquid fuel combustion combination device comprises: a combined burner, wherein an ignition device is arranged in the middle area of the combined burner, and the combined burner comprises a plurality of branch burners surrounding the ignition device; the bottom of the branch burner is provided with an air inlet pipe, the ignition device is communicated with a first fuel conveying pipe, and the branch burner is communicated with a second fuel conveying pipe. The middle area of the combined burner is provided with the ignition device, and the branch burner and the ignition device are provided with the fuel conveying pipes, so that liquid fuel can be conveyed into the branch burner, and the bottom of the branch burner is provided with the air inlet pipe, so that oxygen can be quickly introduced, the liquid fuel can be quickly and fully combusted, the combustion efficiency is improved, and the pollution is reduced.
Description
Technical Field
The present invention relates to a fuel combustion combination device for liquid fuel and a boiler system provided with the same.
Background
At present, because the treatment of haze weather is mainly aimed at, various coal fuels need to be fully combusted, the combustion system is improved, and enterprises in many heat energy fields suffer economic loss. The Gao Rezhi alcohol-based liquid fuel is combusted, so that the emission reaches and is lower than the national standard. The coal-fired boiler body has great benefit in utilization and cost saving.
However, the existing coal-fired boiler needs to integrally replace a liquid fuel combustion system in the improvement process, so that the overall cost is high, and problems of insufficient combustion, excessive pollutant and the like are often caused in the combustion process of the liquid fuel combustion system.
Aiming at the technical problems that the existing liquid fuel combustion system is easy to burn insufficiently and the pollutants exceed the standard, the method is a technical problem to be solved in the field.
Disclosure of Invention
The invention aims to provide a liquid fuel combustion combined device and a boiler system, which are used for solving the technical problems that the existing liquid fuel combustion system is easy to burn insufficiently and pollutants exceed standards.
In order to solve the above technical problems, the present invention provides a liquid fuel combustion combination device, including:
a combined burner, wherein an ignition device is arranged in the middle area of the combined burner, and the combined burner comprises a plurality of branch burners surrounding the ignition device; wherein,
the bottom of the branch burner is provided with an air inlet pipe, the ignition device is communicated with a first fuel conveying pipe, and the branch burner is communicated with a second fuel conveying pipe.
Further, the branch burner is of a groove structure, and the center of the bottom of the branch burner is communicated with the air inlet pipe; the side wall part of the branch burner is communicated with the second fuel conveying pipe;
the combined burner comprises at least four of the branched burners.
Further, the ignition device comprises a point divider arranged at the top of the middle area of the combined burner;
the divider is electrically connected with the electronic ignition transformer;
the bottom of the divider is connected with the first fuel conveying pipe;
the side of the divider is provided with a connecting groove for connecting the branch burner.
Further, the branch burner comprises a hollow air supply cavity formed by an outer wall and an inner wall, and a vent hole is arranged on the side part of the inner wall of the hollow air supply cavity;
the air outlet end of the air supply pipe penetrates through the bottom of the outer wall of the branch burner and extends out of the bottom of the outer wall by a preset height;
the air supply pipe is provided with an air regulating butterfly valve at the lower part of the branch burner;
the branch burner is also provided with an overflow pipe communicated with the bottom of the outer wall of the branch burner.
Further, the blast pipe comprises a total blast pipe and at least two distributing blast pipes branched by the total blast pipe;
a blower is arranged on the total air supply pipe of the air supply pipe;
the branch burners are arranged on the distributing air pipes side by side.
Further, the first fuel delivery pipe and the second fuel delivery pipe are both provided with switch valves.
According to another aspect of the present invention, there is also provided a boiler system comprising a liquid fuel feeding device and a boiler body; wherein,
one or more liquid fuel combustion combined devices are arranged at the bottom of the furnace body
Further, a boiler body is arranged on the boiler body;
the boiler body is filled with water.
Further, the liquid fuel supply apparatus includes: a fuel tank;
a fuel pump, an outlet of the fuel tank being connected to an inlet of the fuel pump;
the outlet of the fuel pump is connected with the inlet of the metering box; wherein the method comprises the steps of
And the outlet of the metering box is respectively connected with the first fuel conveying pipe and the second fuel conveying pipe.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a liquid fuel combustion combination device and a boiler system, wherein the liquid fuel combustion combination device comprises: a combined burner, wherein an ignition device is arranged in the middle area of the combined burner, and the combined burner comprises a plurality of branch burners surrounding the ignition device; the bottom of the branch burner is provided with an air inlet pipe, the ignition device is communicated with a first fuel conveying pipe, and the branch burner is communicated with a second fuel conveying pipe. The middle area of the combined burner is provided with the ignition device, and the branch burner and the ignition device are provided with the fuel conveying pipes, so that liquid fuel can be conveyed in the branch burner, the bottom of the branch burner is provided with the air inlet pipe, oxygen can be quickly introduced, the liquid fuel can be quickly and fully combusted, the combustion efficiency is improved, the liquid fuel can be fully combusted, and pollution is reduced.
Drawings
FIG. 1 schematically shows a schematic structure of a liquid fuel combustion combination apparatus installed under a furnace body in a first embodiment of the present invention;
FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;
FIG. 3 is a schematic view schematically showing the layout of the blast pipe under the furnace body in the first embodiment of the present invention;
fig. 4 schematically shows a partial structure of a furnace system in a second embodiment of the present invention.
Reference numerals in the drawings:
1. a combination burner; 11. a branched burner; 12. a second fuel delivery pipe; 13. an overflow pipe; 14. a recycling bin; 2. an ignition device; 21. a first fuel delivery pipe; 22. a stitcher; 23. an electronic ignition transformer; 24. a connecting groove; 3. an air supply pipe; 31. wind regulating butterfly valve; 32. a blower; 33. a total blast pipe; 34. a distributing air pipe; 4. a furnace body; 41. a boiler body; 5. a fuel tank; 51. a fuel pump; 52. a metering box.
Detailed Description
The following describes embodiments of the invention in detail, but the invention may be practiced in a variety of different ways, as defined and covered by the claims.
Example 1
Referring to fig. 1-3, the liquid fuel combustion combined device can be installed on the lower side of a furnace body 4, one or more combined combustors 1 can be installed on the lower side of the furnace body, an ignition device 2 is arranged in the middle area of each combined combustor 1, and the combined combustors 1 comprise a plurality of branch combustors 11 surrounding the ignition device 2; wherein, the bottom of the branch burner 11 is provided with an air inlet pipe 3, the ignition device 2 is communicated with a first fuel conveying pipe 21, and the branch burner 11 is communicated with a second fuel conveying pipe 12.
The middle area of the combined burner 1 is provided with the ignition device 2, and fuel delivery pipes are arranged on the branch burner 11 and the ignition device 2, so that liquid fuel can be delivered into the branch burner 11, and the air inlet pipe 3 is arranged at the bottom of the branch burner 11, so that oxygen can be quickly introduced, the liquid fuel can be quickly and fully combusted, the combustion efficiency is improved, the liquid fuel can be fully combusted, and the pollution is reduced.
The branch burner 11 is of a groove structure, and the center of the bottom of the branch burner 11 is communicated with the air inlet pipe 3; the side wall part of the branch burner 11 is communicated with a second fuel conveying pipe 12; the combined burner 1 comprises at least four branched burners 11. The branch burner 11 is arranged to be of a groove structure, the second fuel conveying pipe 12 flows into the branch burner 11 through the side wall of the branch burner 11, and the air inlet pipe 3 is introduced through the bottom of the branch burner 11, so that liquid fuel entering the branch burner 11 from the side wall can be fully and uniformly mixed with air conveyed by the air inlet pipe 3, the combustion efficiency of the fuel is greatly improved, and pollution is reduced.
The ignition device 2 comprises a divider 22 arranged at the top of the middle area of the combined burner 1, and fuel can be transmitted into each branch burner through the divider 22, so that two paths of fuel can be ignited to enter the fuel, and liquid fuel conveyed by the two paths of conveying pipelines is promoted to burn in the combined burner; the divider 22 is electrically connected with an electronic ignition transformer 23; the bottom of the divider 22 is connected with a first fuel delivery pipe 21; the branch burner 11 is provided with a connecting groove 24 on the side of the branch burner 22, and the liquid flame ignited by the branch burner 22 can flow into the branch burner 11 through the connecting groove 24.
The intermediate area of the combined burner 1 is provided with the divider 22, the ignition can be realized in the intermediate area of the combined burner 1, the purpose of quick ignition is realized, in addition, the divider 22 is connected with the electronic ignition transformer 23, the liquid fuel is ignited by an electric ignition mode, the first fuel conveying pipe is also connected below the divider 22, the fuel is directly conveyed to the divider 22, the distance between the electronic ignition end of the divider 22 and the fuel conveyed by the first fuel conveying pipe is very small, and the liquid fuel can be smoothly ignited by the electric ignition of the electronic ignition end of the divider 22.
The branch burner 11 comprises a hollow air supply cavity formed by an outer wall and an inner wall, and a vent hole is arranged on the side part of the inner wall of the hollow air supply cavity; the air supply pipe 3 is communicated with the hollow air supply cavity, and the air outlet end of the air supply pipe 3 penetrates through the bottom of the outer wall of the branch burner 11 and extends out of the bottom by a preset height; the air supplied from the air supply pipe 3 can be formed into a mist mixture with the liquid fuel in the branch burner 11, and then the mist mixture can be sufficiently combusted, thereby improving combustion efficiency.
The blast pipe 3 is provided with a wind adjusting butterfly valve 31 on the lower part of the branch burner 11; the branch burner 11 is further provided with an overflow pipe 13 communicating with the bottom of the outer wall of said branch burner 11.
By providing the communicating overflow pipe 13 at the bottom of the outer wall of the branch burner 11, the liquid impurities remaining after the combustion of the liquid fuel in the branch burner 11 can be overflowed and discharged, and the overflow pipe 13 is connected with the recovery bin 14 to recover the overflowed liquid fuel. The air outlet end of the air supply pipe 3 penetrates through the bottom of the outer wall of the branch burner 11 and extends out of the bottom by a preset height, so that liquid impurities after liquid fuel combustion are prevented from blocking the air supply opening of the air supply pipe 3, and the service life of the liquid fuel combustion combined device is prolonged.
The air supply duct 3 comprises a total air supply duct 33 and at least two distribution ducts 34 branched from the total air supply duct 33; a blower 32 is arranged on a total air supply pipe 33 of the air supply pipe 3; the branch burners 11 are arranged side by side on the distribution air duct 34.
By arranging the air supply pipe 3 into a structure of a total air supply pipe 33 and a distributing air pipe 34 connected with the total air supply pipe 33, the structure has a good auxiliary effect on arranging a plurality of branch burners 11, one or a plurality of branch burners 11 can be arranged on each distributing air pipe 34, and the corresponding branch burners 11 are arranged around together.
The first fuel delivery pipe 21 and the second fuel delivery pipe 12 are provided with an on-off valve and a filter, wherein the on-off valve comprises an electromagnetic valve and a manual fine adjustment valve. The first fuel delivery pipe 21 and the second fuel delivery pipe 12 are provided with on-off valves, so that manual control and electric control are facilitated for delivering fuel to the first fuel delivery pipe 21 and the second fuel delivery pipe 12.
The invention provides a liquid fuel combustion combination device, which solves the problems of insufficient combustion and environmental pollution caused by coal in the existing coal-fired drying furnace, hot blast stove, coal-fired boiler and other heat energy fields.
The specific principle of the first embodiment of the invention is as follows: the liquid fuel combustion combination device is arranged below the furnace body 4, and is connected with a first fuel conveying pipe 21 and a second fuel conveying pipe 12. The first fuel conveying pipe 21 is connected with the ignition device 2, the ignition device 2 comprises a divider 22, the divider 22 is of an ignition divider structure, the ignition device 2 is of a high-temperature resistant ignition device, a double-hole high-temperature resistant porcelain rod is arranged on the ignition device, a double-hole high-temperature resistant Wen Cibang double-hole serial high-temperature resistant wire is connected with the electronic ignition transformer 23 in a connecting mode, and a set of high-temperature resistant electronic ignition device 2 is formed.
The second fuel delivery pipe 12 is provided with an electromagnetic valve, a manual fine tuning valve and a liquid filter, and the second fuel delivery pipe 12 is used for distributing the liquid fuel to the fuel inlet pipes of the branch combustors 11 through a flow divider; a liquid fuel regulating valve can be arranged on the fuel inlet pipe under each branch burner for regulating the fuel flow. An air inlet pipe 3 is arranged below the branch burner, and an air blower 32 is arranged on a total air supply pipe 33 of the air inlet pipe 3 and used for supplying air to the air supply pipe; wind enters the branch burner 11 through the blast pipe 3 to promote the full combustion of the liquid fuel in the branch burner 11. An air adjusting butterfly valve 31 for adjusting air is also arranged on the air inlet pipe 3 below the branch burner 11, so that the air quantity in the air inlet pipe 3 is convenient to adjust.
The first embodiment of the invention has the advantages that: the device mainly mixes liquid fuel uniformly in the combustion process, so that the consumption is reduced, and the operation cost of the combustion furnace is very low. The fire power is adjustable at will when burning the stove, the burning efficiency can reach more than 90% when burning the liquid fuel. Flame in the boiler burns evenly, so that water in the boiler body on the boiler body is heated evenly to produce steam. The research and development of the novel combined device of the liquid fuel are successful, and the temperature of the boiler is equal when the comparison of the liquid fuel which is the same as the common burner by manufacturers is 30% -40% of the consumption of the burner. The invention of the novel combustion combined device is obviously proved to be successful, and the social benefit and the economic benefit are fully reflected.
Example two
As shown in fig. 4, a second embodiment of the present invention provides a boiler system, which includes a liquid fuel feeding device and a boiler body 4; wherein, the bottom of the furnace body 4 is provided with one or more liquid fuel combustion combination devices as shown in the figures 1-3.
A boiler body 41 is arranged on the boiler body 4; the boiler body 41 is filled with water. The liquid fuel supply device includes: a fuel tank 5, a fuel pump 51, and a metering tank 52, an outlet of the fuel tank 5 being connected to an inlet of the fuel pump 51; the outlet of the fuel pump 51 is connected to the inlet of the metering tank 52; wherein the outlet of the metering box 52 is connected to the first 21 and second 12 fuel delivery pipes, respectively.
Since the above-mentioned liquid fuel combustion combination device has the above-mentioned beneficial effects, the boiler system provided with the liquid fuel combustion combination device also has the above-mentioned beneficial effects, and the specific embodiments may refer to the description of the above-mentioned liquid fuel combustion combination device and will not be repeated here.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. A liquid fuel combustion combination device which can be installed on the lower side of a furnace body, and one or a plurality of combination burners can be installed on the lower side of the furnace body, which is characterized in that: an ignition device is arranged in the middle area of each combined burner, and each combined burner comprises a plurality of branch burners surrounding the ignition device, wherein the bottoms of the branch burners are provided with air inlet pipes, the ignition devices are communicated with a first fuel conveying pipe, and the branch burners are communicated with a second fuel conveying pipe;
the branch burner is of a groove structure, the bottom center of the branch burner is communicated with an air inlet pipe, and the side wall part of the branch burner is communicated with a second fuel conveying pipe;
the ignition device comprises a divider arranged at the top of the middle area of the combined burner, and is used for transmitting fuel into each branch burner to ignite two paths of fuel to enter oil so as to promote the liquid fuel conveyed by the two paths of conveying pipelines to burn in the combined burner;
the branch burner comprises a hollow air supply cavity formed by an outer wall and an inner wall, wherein a vent hole is arranged on the side part of the inner wall of the hollow air supply cavity;
the air supply pipe is provided with an air regulating butterfly valve on the lower part of the branch burner, and the branch burner is also provided with an overflow pipe communicated with the bottom of the outer wall of the branch burner;
the bottom of the outer wall of the branch burner is provided with a communicated overflow pipe, so that the residual liquid impurities after the liquid fuel in the branch burner is combusted are overflowed and discharged, and the overflow pipe is connected with a recovery bin to recover the overflowed liquid fuel;
the air outlet end of the air supply pipe penetrates through the bottom of the outer wall of the branch burner and extends out of the bottom by a preset height;
the air supply pipe comprises a total air supply pipe and at least two distributing air pipes which are branched by the total air supply pipe, wherein the total air supply pipe of the air supply pipe is provided with an air blower;
the first fuel conveying pipe and the second fuel conveying pipe are respectively provided with a switch valve and a filter, wherein the switch valves comprise electromagnetic valves and manual fine-tuning valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710020801.8A CN106765080B (en) | 2017-01-11 | 2017-01-11 | Liquid fuel combustion combination device and boiler system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710020801.8A CN106765080B (en) | 2017-01-11 | 2017-01-11 | Liquid fuel combustion combination device and boiler system |
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| Publication Number | Publication Date |
|---|---|
| CN106765080A CN106765080A (en) | 2017-05-31 |
| CN106765080B true CN106765080B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710020801.8A Active CN106765080B (en) | 2017-01-11 | 2017-01-11 | Liquid fuel combustion combination device and boiler system |
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| Country | Link |
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| CN (1) | CN106765080B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314360A (en) * | 2017-07-13 | 2017-11-03 | 董庆忠 | Alcohol-based fuel boiler |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2276121Y (en) * | 1996-09-18 | 1998-03-11 | 陆长春 | High efficiency energy-saving blowing type liquid fuel atomising burner |
| CN105258097A (en) * | 2015-10-31 | 2016-01-20 | 杜岩 | Multifunctional fuel energy-saving hot-water steam boiler |
| CN205037296U (en) * | 2015-10-16 | 2016-02-17 | 杭文忠 | Polymorphic gasification methyl alcohol combustor system of many furnace ends |
| CN206695122U (en) * | 2017-01-11 | 2017-12-01 | 北京京南尚德生物科技有限公司 | A kind of liquid fuel combustion combination unit and steam generator system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060183068A1 (en) * | 2005-02-14 | 2006-08-17 | Wrona Theodore J | Combustion system with high turn down ratio |
-
2017
- 2017-01-11 CN CN201710020801.8A patent/CN106765080B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2276121Y (en) * | 1996-09-18 | 1998-03-11 | 陆长春 | High efficiency energy-saving blowing type liquid fuel atomising burner |
| CN205037296U (en) * | 2015-10-16 | 2016-02-17 | 杭文忠 | Polymorphic gasification methyl alcohol combustor system of many furnace ends |
| CN105258097A (en) * | 2015-10-31 | 2016-01-20 | 杜岩 | Multifunctional fuel energy-saving hot-water steam boiler |
| CN206695122U (en) * | 2017-01-11 | 2017-12-01 | 北京京南尚德生物科技有限公司 | A kind of liquid fuel combustion combination unit and steam generator system |
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| CN106765080A (en) | 2017-05-31 |
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Address after: 102601 228, 2 / F, building 5, north of Xizhongbao village, Panggezhuang Town, Daxing District, Beijing Applicant after: BEIJING JINGNAN SHANGDE BIOTECHNOLOGY Co.,Ltd. Address before: 102600 Room 202, building 1, No.16 project yard of Ministry of railways, Xilu village, Huangcun Town, Daxing District, Beijing Applicant before: BEIJING JINGNAN SHANGDE BIOTECHNOLOGY Co.,Ltd. |
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