CN103994434B - Adjust premixed secondary fuel burner nozzle - Google Patents
Adjust premixed secondary fuel burner nozzle Download PDFInfo
- Publication number
- CN103994434B CN103994434B CN201310060192.0A CN201310060192A CN103994434B CN 103994434 B CN103994434 B CN 103994434B CN 201310060192 A CN201310060192 A CN 201310060192A CN 103994434 B CN103994434 B CN 103994434B
- Authority
- CN
- China
- Prior art keywords
- gas
- fuel burner
- burner nozzle
- mixing tube
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000446 fuel Substances 0.000 title claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 54
- 239000000567 combustion gas Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 abstract description 13
- 238000002485 combustion reaction Methods 0.000 description 9
- 238000005245 sintering Methods 0.000 description 8
- 239000011819 refractory material Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2203/00—Gaseous fuel burners
- F23D2203/007—Mixing tubes, air supply regulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Gas Burners (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Abstract
Adjust premixed secondary fuel burner nozzle and method, the front end of Gas Pipe 22 is provided with plug 17, the front end of Gas Pipe 22 is provided with multiple gas outlets 18 on the one end of plug 17, the front end of air intake duct 19 is fastenedly connected with linking the tail end of bend pipe 16, link the front end of bend pipe 16 and the tail end of mixing tube 9 is fastenedly connected, the front end of mixing tube 9 is provided with fuel burner nozzle 11, mixing tube 9 is provided with link disk a14 close to tail end one end, flame-observing hole 15 is provided with link disk a14, air hose 5 is provided with main air port 6 close to ring flange a13 one end, the outer sheath of air hose 5 is formed with kiln slideway 2, the link steel plate 4 that kiln slideway 2 is fixed by tail end one end is linked with expansion bolt 3 with kiln wall 1.
Description
Technical field：
Present invention relates particularly to the premixed secondary fuel burner nozzle of one kind regulation and method, belong to the combustion technology neck of kiln
Domain, is adapted to the burn application of refractory material.
Background technology：
With regard to known to inventor, the burner for being used to use in refractory material sintering process domestic at present is diffusion type combustion
Burn, conventional diffusion type burning is that combustion-supporting gas and combustion gas are burnt in mixing and had several drawbacks in that；First can make because mixing is bad
Into the surplus of combustion-supporting gas, improving the temperature of smoke evacuation increases kiln thermal loss.Second due to mix it is bad prevent combustion gas from
Fully burning causes fuel excess, therefore wastes fuel.On the other hand, the burning for being used in refractory material sintering process
Device is installed with fixed position, and the burner on conventional burner has one section away from tunnel cave interior wall within the walls in the kiln of tunnel cave
Distance, it is just farther away from sinter.The working method of burner on existing designed combustion device is in heat radiation by external flame
Under conditions of be sintered, while maximum temperature position on kiln wall not in agglomerate bodies, interior kiln wall and sinter pass through radiation
Transmit a part of heat energy, be not flame direct sintering, thus in concrete operations kiln wall crater because sintering warpage it is especially tight
Weight, temperature is to waste fuel higher than agglomerate bodies temperature to kiln within the walls in addition.
The content of the invention：
The purpose of the present invention be exactly in order to overcome drawbacks described above to be sufficiently mixed combustion-supporting gas and combustion gas there is provided one kind,
The premixed secondary fuel burner nozzle of regulation and method of combustion-supporting gas and the reasonable utilization of combustion gas and high combustion efficiency can be made.
The present invention is realized according to following technical scheme.The premixed secondary fuel burner nozzle of described regulation and method, its
It is characterised by setting a Gas Pipe 22, plug 17 is provided with the front end of Gas Pipe 22, the front end of Gas Pipe 22 is close to plug
Multiple gas outlets 18 are provided with 17 one end, Gas Pipe 22 is provided with the second fixed support 21 at gas outlet 18, the
Multiple fumaroles 20 are evenly arranged with two fixed supports 21, tail end one end of Gas Pipe 22 is provided with link disk-b26, linked
Disk-b26 is fastenedly connected by flange plate bolt-b24 with being fixed on the ring flange-b25 of the end of air intake duct 19, air inlet
Pipe 19 is provided with time air port 23 close to ring flange-b25 one end, and the front end of air intake duct 19 is fastened with linking the tail end of bend pipe 16
Connection, links the front end of bend pipe 16 and the tail end of mixing tube 9 is fastenedly connected, and the front end of mixing tube 9 is provided with fuel burner nozzle 11, combustion
Multiple mixed gas outlets 10 are provided with gas burner 11, mixing tube 9 is provided with the first fixed support close to the one end of fuel burner nozzle 11
7, multiple air outlet slits 8 are evenly arranged with the first fixed support 7, and mixing tube 9 is provided with link disk-a14 close to tail end one end,
Flame-observing hole 15 is provided with link disk-a14, link disk-a14 is by flange plate bolt-a12 and is fixed on the end of air hose 5
Ring flange-a13 is fastenedly connected, and air hose 5 is provided with main air port 6 close to ring flange-a13 one end, and the outer sheath of air hose 5 is formed with
Kiln slideway 2, the link steel plate 4 that kiln slideway 2 is fixed by tail end one end is linked with expansion bolt 3 with kiln wall 1, kiln slideway
2 length are more than the width of kiln wall 1, and the length of kiln slideway 2 is less than the length of air hose 5, and the internal diameter of air hose 5 is more than mixing tube 9
External diameter, the length of air hose 5 is less than the length of mixing tube 9, and the internal diameter of mixing tube 9 is empty as the internal diameter of air intake duct 19
The internal diameter of gas air inlet pipe 19 is more than the external diameter of Gas Pipe 22, and the length of air intake duct 19 is less than the length of Gas Pipe 22, first
The external diameter of fixed support 7 is as the internal diameter of air hose 5, and the internal diameter of the first fixed support 7 is empty as the external diameter of mixing tube 9
The center same level line cross parallel in a direction of gas outlet 8, the external diameter of the second fixed support 21 and air intake duct 19
Internal diameter is the same, and the internal diameter of the second fixed support 21 is as the external diameter of Gas Pipe 22, and the center same level line of fumarole 20 presses one
Individual direction cross parallel, the external diameter and internal diameter of the first fixed support 7 are more than the external diameter and internal diameter of the second fixed support 21, plug 17
There is a certain distance between fuel burner nozzle 11, the diameter of plug 17 is less than the diameter of fuel burner nozzle 11, mixed gas outlet 10
Same level line same direction in center is tilted, the center line of the center of gas outlet 18 perpendicular to Gas Pipe 22.
The present invention the premixed secondary fuel burner nozzle of regulation and method, be combustion gas by Gas Pipe, combustion gas is gone out from combustion gas
Mouthful spray, combustion gas and combustion-supporting gas mixes in advance in mixing tube, gaseous mixture is sprayed from fuel burner nozzle, fuel burner nozzle is to tunnel
Flame in kiln, realizes sintering of the tunnel cave to firing thing, including；Air hose, mixing tube, fixed support, Gas Pipe, combustion gas is burnt
Mouth.
The premixed secondary fuel burner nozzle of regulation and method of the present invention, with significantly enhancing sintering quality, and sintering
Speed, it is constant correctly to meet kiln temperature, implements in refractory material sintering process.Effectively utilize the fire of fuel burner nozzle
Flame, reduces the consumption of fuel, the advantage of efficient energy-saving.
Brief description of the drawings：
Accompanying drawing 1 is the premixed secondary gas nozzle structure figure of regulation
Wherein：1. kiln wall, 2. kiln slideways, 3. expansion bolts, 4. link steel plates, 5. air hoses, 6. main air ports, 7. first
Fixed support, 8. air outlet slits, 9. mixing tubes, 10. mixed gas outlets, 11. fuel burner nozzles, 12. flange plate bolt-a, 13. methods
Blue disk-a, 14. link disk-a, 15. flame-observing holes, 16. link bend pipes, 17. plugs, 18. gas outlets, 19. air intake ducts,
20. fumarole, 21. second fixed supports, 22. gas outlets, 23. air ports, 24. flange plate bolt-b, 25. ring flange-b,
26. link disk-b.
Embodiment：
The premixed secondary fuel burner nozzle of this regulation and method embodiment are invented as shown in Figure 1, it is characterised in that set
A Gas Pipe 22 is put, plug 17 is provided with the front end of Gas Pipe 22, the front end of Gas Pipe 22 is set on the one end of plug 17
Multiple gas outlets 18 are equipped with, Gas Pipe 22 is provided with the second fixed support 21, the second fixed support at gas outlet 18
Multiple fumaroles 20 are evenly arranged with 21, tail end one end of Gas Pipe 22 is provided with link disk-b26, and link disk-b26 passes through
Flange plate bolt-b24 is fastenedly connected with being fixed on the ring flange-b25 of the end of air intake duct 19, and air intake duct 19 is close to method
Blue disk-b25 one end is provided with time air port 23, and the front end of air intake duct 19 is fastenedly connected with linking the tail end of bend pipe 16, links
The front end of bend pipe 16 and the tail end of mixing tube 9 are fastenedly connected, and the front end of mixing tube 9 is provided with fuel burner nozzle 11, fuel burner nozzle 11
On be provided with multiple mixed gas outlets 10, mixing tube 9 is provided with the first fixed support 7 close to the one end of fuel burner nozzle 11, and first consolidates
It is evenly arranged with multiple air outlet slits 8 on fixed rack 7, mixing tube 9 is provided with link disk-a14 close to tail end one end, link disk-
Be provided with flame-observing hole 15 on a14, link disk-a14 by flange plate bolt-a12 and be fixed on the ring flange of the end of air hose 5-
A13 is fastenedly connected, and air hose 5 is provided with main air port 6 close to ring flange-a13 one end, and the outer sheath of air hose 5 is formed with kiln cunning
Road 2, the link steel plate 4 that kiln slideway 2 is fixed by tail end one end is linked with expansion bolt 3 with kiln wall 1, the length of kiln slideway 2
More than the width of kiln wall 1, the length of kiln slideway 2 is less than the length of air hose 5, and the internal diameter of air hose 5 is more than the outer of mixing tube 9
Footpath, the length of air hose 5 is less than the length of mixing tube 9, and the internal diameter of mixing tube 9 is as the internal diameter of air intake duct 19, and air enters
The internal diameter of tracheae 19 is more than the external diameter of Gas Pipe 22, and the length of air intake duct 19 is less than the length of Gas Pipe 22, and first fixes
The external diameter of support 7 is as the internal diameter of air hose 5, and the internal diameter of the first fixed support 7 is as the external diameter of mixing tube 9, and air goes out
Mouthfuls 8 center same level line cross parallel in a direction, the external diameter of the second fixed support 21 and the internal diameter of air intake duct 19
Equally, the internal diameter of the second fixed support 21 is as the external diameter of Gas Pipe 22, and the center same level line of fumarole 20 is by a side
To cross parallel, the external diameter and internal diameter of the first fixed support 7 are more than the external diameter and internal diameter of the second fixed support 21, plug 17 and combustion
There is a certain distance between gas burner 11, the diameter of plug 17 is less than the diameter of fuel burner nozzle 11, the center of mixed gas outlet 10
The same direction of same level line is tilted, the center line of the center of gas outlet 18 perpendicular to Gas Pipe 22.
In the present invention, in order that fuel gas buring is abundant, Gas Pipe is told, air hose is told, tells bridge piece, told
Mixing tube is intercommunication, tells that air hose is connected with burner hearth.
Arranged as the further implementation of the present invention, as told in Fig. 1, tell that air hose 5 is connected in air channel with mixing tube 9
Provided with the first fixed support 7, combustion air current amount ratio can so be adjusted, make the flame combustion of fuel burner nozzle 7 abundant,
Flame rigidity is good, reduce the purpose of pollutant emission.
Arranged as the further implementation of the present invention, as told in Fig. 1, tell and left between plug and told fuel burner nozzle
Certain gap and the setting gradually expanded, so as to reach that combustion gas and combustion-supporting gas can mix that can also fully to adjust flame strong
The purpose of degree and flame profile.
In the present invention, in order that fuel burner nozzle combustion flame is effectively utilized, regulating main air mouthful and time air port air inflow are closed
Reason carries out mixing to combustion gas can reduce the consumption of combustion gas.
Claims (1)
1. the premixed secondary fuel burner nozzle of one kind regulation, the premixed secondary fuel burner nozzle of the regulation sets a Gas Pipe (22),
It is provided with plug (17) in the front end of Gas Pipe (22), the front end of Gas Pipe (22) is provided with multiple on plug (17) one end
Gas outlet (18), Gas Pipe (22) is provided with the second fixed support (21), the second fixed support close to gas outlet (18) place
(21) multiple fumaroles (20) are evenly arranged with, tail end one end of Gas Pipe (22) is provided with link disk-b (26), link disk-
B (26) is fastenedly connected by flange plate bolt-b (24) with being fixed on the ring flange-b (25) of air intake duct (19) end, empty
Gas air inlet pipe (19) is provided with time air port (23) close to ring flange-b (25) one end, and the front end of air intake duct (19) is curved with linking
The tail end of pipe (16) is fastenedly connected, and the front end of link bend pipe (16) and the tail end of mixing tube (9) are fastenedly connected, mixing tube (9)
Front end, which is provided with fuel burner nozzle (11), fuel burner nozzle (11), is provided with multiple mixed gas outlets (10), and mixing tube (9) is close to combustion
Gas burner (11) one end is provided with the first fixed support (7), and the first fixed support is evenly arranged with multiple air outlet slits on (7)
(8), mixing tube (9) is provided with link disk-a (14), link disk-a (14) close to tail end one end and is provided with flame-observing hole (15), chain
Disk-a (14) is met to be fastenedly connected with being fixed on the ring flange-a (13) of air hose (5) end by flange plate bolt-a (12), it is empty
Tracheae (5) is provided with main air port (6) close to ring flange-a (13) one end, and the outer sheath of air hose (5) is formed with kiln slideway (2),
The link steel plate (4) that kiln slideway (2) is fixed by tail end one end is linked with expansion bolt (3) with kiln wall (1)；Kiln slideway
(2) length is more than the width of kiln wall (1).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310060192.0A CN103994434B (en) | 2013-02-17 | 2013-02-17 | Adjust premixed secondary fuel burner nozzle |
| CN201710528963.2A CN107191931A (en) | 2013-02-17 | 2013-02-17 | Adjust premixed secondary fuel burner nozzle and method |
| CN201710498484.0A CN107420894A (en) | 2013-02-17 | 2013-02-17 | Adjust premixed secondary fuel burner nozzle and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310060192.0A CN103994434B (en) | 2013-02-17 | 2013-02-17 | Adjust premixed secondary fuel burner nozzle |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710528963.2A Division CN107191931A (en) | 2013-02-17 | 2013-02-17 | Adjust premixed secondary fuel burner nozzle and method |
| CN201710498484.0A Division CN107420894A (en) | 2013-02-17 | 2013-02-17 | Adjust premixed secondary fuel burner nozzle and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103994434A CN103994434A (en) | 2014-08-20 |
| CN103994434B true CN103994434B (en) | 2017-10-24 |
Family
ID=51308681
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710498484.0A Pending CN107420894A (en) | 2013-02-17 | 2013-02-17 | Adjust premixed secondary fuel burner nozzle and method |
| CN201310060192.0A Active CN103994434B (en) | 2013-02-17 | 2013-02-17 | Adjust premixed secondary fuel burner nozzle |
| CN201710528963.2A Pending CN107191931A (en) | 2013-02-17 | 2013-02-17 | Adjust premixed secondary fuel burner nozzle and method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710498484.0A Pending CN107420894A (en) | 2013-02-17 | 2013-02-17 | Adjust premixed secondary fuel burner nozzle and method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710528963.2A Pending CN107191931A (en) | 2013-02-17 | 2013-02-17 | Adjust premixed secondary fuel burner nozzle and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN107420894A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09159122A (en) * | 1995-12-12 | 1997-06-20 | Narita Techno:Kk | Premixing gas burner |
| JP2005195214A (en) * | 2004-01-06 | 2005-07-21 | Noritz Corp | Combustion device |
| CN202182469U (en) * | 2011-05-12 | 2012-04-04 | 王晶华 | Roller-hearth-kiln pressurization spray premixing burner core |
| CN203082881U (en) * | 2013-02-17 | 2013-07-24 | 梁燕龙 | Adjustable and premix type secondary gas nozzle |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3022815A (en) * | 1958-03-31 | 1962-02-27 | Bloom Eng Co Inc | Burner mechanism |
| DE20304859U1 (en) * | 2003-03-26 | 2003-05-28 | Buderus Heiztechnik Gmbh | Premixing gas burner for attaching to furnace body door of furnace has cylindrical fuel rod which together with burner fan and/or other burner components is fastened to mounting plate which is detachably connected to burner plate |
| CN102200280A (en) * | 2011-05-25 | 2011-09-28 | 朱复定 | Secondary air premixed gas burner for ceramic kiln |
| CN102353054A (en) * | 2011-10-28 | 2012-02-15 | 金艺 | Gas burner capable of adjusting premix |
| CN202432519U (en) * | 2012-01-16 | 2012-09-12 | 冼振球 | Multi-mixing efficient burner |
| CN202709719U (en) * | 2012-08-14 | 2013-01-30 | 梁燕龙 | Automatic telescopic kiln burning device of tunnel kiln |
| CN102914147A (en) * | 2012-09-05 | 2013-02-06 | 梁燕龙 | Mechanical telescopic combustion device and method for tunnel kiln |
-
2013
- 2013-02-17 CN CN201710498484.0A patent/CN107420894A/en active Pending
- 2013-02-17 CN CN201310060192.0A patent/CN103994434B/en active Active
- 2013-02-17 CN CN201710528963.2A patent/CN107191931A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09159122A (en) * | 1995-12-12 | 1997-06-20 | Narita Techno:Kk | Premixing gas burner |
| JP2005195214A (en) * | 2004-01-06 | 2005-07-21 | Noritz Corp | Combustion device |
| CN202182469U (en) * | 2011-05-12 | 2012-04-04 | 王晶华 | Roller-hearth-kiln pressurization spray premixing burner core |
| CN203082881U (en) * | 2013-02-17 | 2013-07-24 | 梁燕龙 | Adjustable and premix type secondary gas nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103994434A (en) | 2014-08-20 |
| CN107191931A (en) | 2017-09-22 |
| CN107420894A (en) | 2017-12-01 |
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Inventor after: Chen Ting Inventor before: Liang Yanlong |
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Effective date of registration: 20170522 Address after: 830000 Urumqi science and technology zone, the Xinjiang Uygur Autonomous Region high tech street, No. 1, No. 384 Applicant after: URUMQI JIUPIN SESAME INFORMATION TECHNOLOGY CO., LTD. Address before: The 1 District 045011 in Shanxi province Yangquan City suburb Yinying Zhen San Quan Cun No. 25 2 Applicant before: Liang Yanlong |
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Inventor after: Chen Jianhuan Inventor before: Chen Ting |
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Effective date of registration: 20170804 Address after: 515559, Guangdong, Jieyang, Jiedong province fort town, home Committee, twenty-one new homes Applicant after: Chen Jianhuan Address before: 830000 Urumqi science and technology zone, the Xinjiang Uygur Autonomous Region high tech street, No. 1, No. 384 Applicant before: URUMQI JIUPIN SESAME INFORMATION TECHNOLOGY CO., LTD. |
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Effective date of registration: 20170912 Address after: 401346, Banan District of Chongqing City bounded Stone Street South 2-2-2 Applicant after: Chongqing Sheng Zan Technology Co. Ltd. Address before: 515559, Guangdong, Jieyang, Jiedong province fort town, home Committee, twenty-one new homes Applicant before: Chen Jianhuan |
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Effective date of registration: 20180117 Address after: Chongqing District of Banan city bridge 401344 Solitaire Town Street No. 11 6-8 Patentee after: Liu Mengxiang Address before: 401346, Banan District of Chongqing City bounded Stone Street South 2-2-2 Patentee before: Chongqing Sheng Zan Technology Co. Ltd. |
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Effective date of registration: 20180426 Address after: 331100 Jiangxi Fengcheng resource recycling industry base Patentee after: Jiangxi red Festival Metal Group Co., Ltd. Address before: 401344 Jinqiao street, Jinqiao street, long town, Banan District, Chongqing City, 6-8, 6-8 Patentee before: Liu Mengxiang |
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Denomination of invention: Regulating premixed secondary gas burner Effective date of registration: 20200826 Granted publication date: 20171024 Pledgee: Jiangxi Fengcheng Rural Commercial Bank Co., Ltd Pledgor: Jiangxi red Festival Metal Group Co.,Ltd. Registration number: Y2020360000082 |
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