CN104006167A - High-temperature exhaust valve used for industrial kiln - Google Patents
High-temperature exhaust valve used for industrial kiln Download PDFInfo
- Publication number
- CN104006167A CN104006167A CN201410238501.3A CN201410238501A CN104006167A CN 104006167 A CN104006167 A CN 104006167A CN 201410238501 A CN201410238501 A CN 201410238501A CN 104006167 A CN104006167 A CN 104006167A
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- Prior art keywords
- valve gap
- valve
- outlet end
- exhaust passage
- temperature exhaust
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/12—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side weight-loaded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a high-temperature exhaust valve for an industrial kiln. The high-temperature exhaust valve comprises a valve body and a valve cover, wherein an exhaust channel is formed on the valve body, and is provided with an outlet end which is jointed with the valve cover to break the exhaust channel. An exhaust device further comprises a starting and closing driving assembly which is used for driving the valve cover to translate away from or close to the outlet end of the exhaust channel. The high-temperature exhaust valve has the advantages of simple structure, low cost, long service life, capability of ensuring the air pressure stability in a hearth during exhausting, and the like.
Description
Technical field
The present invention relates to furnace equipment field, be specifically related to a kind of high-temperature exhaust air valve for Industrial Stoves.
Background technique
Current Industrial Stoves high-temperature gas constant voltage drain tap, its switching mode is convertible switching, as shown in Figure 1.This valve, while automatically opening under gas pressure, valve gap 2 can not parallel with respect to valve body 1, airflow clearance between valve gap 2 and valve body 1 is not of uniform size, during exhaust, burner hearth air pressure fluctuation amplitude is large, and high temperature gas flow is irregular to washing away of valve body 1 valve port, very easily cause uneven wear and lost efficacy, greatly reduced the working life of valve, in the high-temperature gas that industrial furnace is discharged, generally all contain stickum, when these stickums flow through airflow clearance, some meetings condense on valve body 1 and valve gap 2, this coagulant can increase with the prolongation of service time, if coagulant does not have External Force Acting can automatically not drop, the obturation effect of valve can be because of the coagulative variation that increases, need often carry out labor cleaning or change valve, had a strong impact on production, also make cost of production greatly improve.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiency that prior art exists, and can guarantee the high-temperature exhaust air valve for Industrial Stoves of burner hearth internal air pressure stability when a kind of simple in structure, with low cost, long service life, exhaust are provided.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of high-temperature exhaust air valve for Industrial Stoves, comprise valve body and valve gap, described valve body is provided with exhaust passage, described exhaust passage have for the outlet end of described valve gap laminating so that exhaust passage is disconnected, described venting gas appliance also comprise for drive described valve gap with translational motion away from or the keying driven unit of the outlet end of the described exhaust passage of fitting.
As a further improvement on the present invention:
Described valve gap refers to away from the position of the outlet end of described exhaust passage, and described valve gap is positioned at described outlet end one side and near the plane at described outlet end place.
Described keying driven unit comprises fixed base, fitting seat, telescopic drive part and two forks, described two forks are articulated with and between described fixed base and fitting seat, form a parallelogram swing mechanism, described telescopic drive part is connected with described parallelogram swing mechanism and drives described parallelogram swing mechanism to swing and makes fitting seat do translational motion, and described valve gap is installed on described fitting seat.
A described fork is provided with chute, and the drive end of described telescopic drive part is connected with pull bar, and described pull bar is slidedly arranged in described chute.
Described fixed base is fixed on described valve body; Described telescopic drive part is telescopic cylinder, and described telescopic cylinder is installed on described fixed base.
The hinge axes of described two forks and fixed base is positioned in same level.
The faying surface horizontal arrangement of the outlet end of described exhaust passage and described valve gap.
Described valve gap is vertically slidedly arranged on described fitting seat, and described valve gap relies on gravity to fit in the outlet end of described exhaust passage.
Described fitting seat is provided with pilot hole, described valve gap comprises the sealed department of fitting with the outlet end of described exhaust passage and is vertically slidedly arranged on the slide bar portion in described pilot hole, the lower end of described slide bar portion is connected with described sealed department, the upper end of described slide bar portion is connected with supporting bounding means, and described supporting bounding means is supported on described fitting seat.
Described supporting bounding means is the nut being connected with described slide bar portion screw-thread fit.
Compared with prior art, the invention has the advantages that: the present invention is for the high-temperature exhaust air valve of Industrial Stoves, by open and close driven unit drive valve gap with translational motion away from or the outlet end of laminating exhaust passage, realize opening and closing exhaust passage, between valve gap and valve body, can not produce local fierce contact and shock, both contacts are slowly steady, alleviated the infringement causing because of collision between valve gap and valve body, extended working life; Simultaneously, in the process of opening and closing exhaust passage, airflow clearance size uniformity between valve gap and valve body, air pressure in burner hearth is relatively stable, and air-flow evenly washes away the valve body of the outlet end periphery of exhaust passage, make the valve body even wearing of outlet end periphery of exhaust passage consistent, there will not be the problem because of uneven wear premature failure; Each by open and close driven unit drive valve gap with translational motion away from or during laminating exhaust passage, between valve gap and valve body, can produce phase mutual friction, the coagulant that makes to condense on valve gap and valve body has obtained timely Automatic clearance, and coagulant can not increase with the prolongation of high-temperature exhaust air valve service time.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of existing drain tap.
Fig. 2 is that the present invention is for the main TV structure schematic diagram of the high-temperature exhaust air valve of Industrial Stoves.
Marginal data:
1, valve body; 11, exhaust passage; 2, valve gap; 21, sealed department; 22, slide bar portion; 23, supporting bounding means; 3, open and close driven unit; 31, fixed base; 32, fitting seat; 321, pilot hole; 33, telescopic drive part; 331, pull bar; 34, fork; 341, chute.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 2, the present invention is for the high-temperature exhaust air valve of Industrial Stoves, comprise valve body 1 and valve gap 2, valve body 1 is provided with exhaust passage 11, during use, docks with the high-temperature gas outlet of Industrial Stoves, and valve gap 2 can be fitted with the outlet end of exhaust passage 11, for opening or close exhaust passage 11, the faying surface in outlet end when laminating of valve gap 2 and exhaust passage 11 ringwise, and this annular faying surface horizontal arrangement, the outlet end of exhaust passage 11 is the annular end face of a horizontal arrangement.Valve gap 2 is also connected with a keying driven unit 3, open and close driven unit 3 drive valve gaps 2 with translational motion away from or the outlet end of laminating exhaust passage 11, thereby open or close exhaust passage 11.
In the present embodiment, open and close driven unit 3 and drive valve gap 2 to refer to away from the position of the outlet end of exhaust passage 11, valve gap 2 is positioned at the plane at outlet end one side and close outlet end place.Like this, after opening exhaust passage 11, the high-temperature gas containing stickum that 11 outlet end is discharged from exhaust passage can not contact with valve gap 2, can reduce the souring of high-temperature gas to valve gap 2 on the one hand, extend the working life of valve gap 2, can greatly reduce on the other hand the condensation number of stickum on valve gap 2, ensure the obturation effect of valve gap 2, the trouble of avoiding often carrying out labor cleaning or changing valve, has reduced cost of production.
Above-mentioned keying driven unit 3 comprises fixed base 31, fitting seat 32, telescopic drive part 33 and two forks 34, and wherein, fixed base 31 is fixed on valve body 1, and telescopic drive part 33 is telescopic cylinder, and telescopic cylinder is installed on fixed base 31.Fixed base 31, fitting seat 32 and two forks 34 are hinged and form a parallelogram swing mechanism, as shown in Figure 1, in this parallelogram swing mechanism, one end of each fork 34 and fixed base 31 are hinged, the other end and fitting seat 32 are hinged, the hinge axes of two forks 34 and fixed base 31 is positioned in same level, two forks 34 are also positioned in same level with the hinge axes of fitting seat 32, when parallelogram swing mechanism swings, fixed base 31 keeps fixing with respect to valve body 1, fitting seat 32 is done translational motion with the swing of two forks 34, in the process swinging, fitting seat 32 remains horizontal arrangement.A fork 34 is provided with chute 341 therein, on the flexible rod of telescopic cylinder, be connected with pull bar 331, pull bar 331 is inserted in chute 341 and can slides along chute 341, when the flexible rod of telescopic cylinder is done fore and aft motion, by pull bar 331, fork 34 is swung with respect to fixed base 31, and then making fitting seat 32 do translational motion, valve gap 2 is installed on fitting seat 32, thereby also with fitting seat 32, does translational motion.The outlet end of exhaust passage 11 is positioned on the movement locus of valve gap 2, and valve gap 2 can be opened exhaust passage 11 away from the outlet end of exhaust passage 11 like this, or the outlet end that fits to exhaust passage 11 is closed exhaust passage 11.
The present invention is for the high-temperature exhaust air valve of Industrial Stoves, adopt the combination of telescopic drive part 33 and parallelogram swing mechanism drive valve gap 2 with translational motion away from or the outlet end of laminating exhaust passage 11, realize opening and closing exhaust passage 11, between valve gap 2 and valve body 1, can not produce local fierce contact and shock, both contacts are slowly steady, alleviate the infringement causing because of collision between valve gap 2 and valve body 1, extended working life; Simultaneously, in the process of opening and closing exhaust passage 11, airflow clearance size uniformity between valve gap 2 and valve body 1, air pressure in burner hearth is relatively stable, and air-flow evenly washes away the valve body 1 of the outlet end periphery of exhaust passage 11, make valve body 1 even wearing of outlet end periphery of exhaust passage 11 consistent, there will not be the problem because of uneven wear premature failure.
In the present embodiment, valve gap 2 is vertically slidedly arranged on fitting seat 32, and the outlet end of valve gap 2 dependence gravity laminating closes vent passage 11, can realize the constant voltage exhaust of venting gas appliance.Specifically, fitting seat 32 is provided with the pilot hole 321 vertically arranging, valve gap 2 comprises sealed department 21 and slide bar portion 22, slide bar portion 22 is slidedly arranged in pilot hole 321, sealed department 21 is connected in the lower end of slide bar portion 22, the plane of the outlet end laminating of the Wei Yu exhaust passage, lower end surface 11 of sealed department 21, the upper end of slide bar portion 22 is stretched out pilot hole 321 and is connected with supporting bounding means 23, this supporting bounding means 23 is the nut being connected with the upper end screw-thread fit of slide bar portion 22, and valve gap 2 slides in the scope inner hole 321 of sealed department 21 and 23 restrictions of supporting bounding means.When opening and closing driven unit 3 and order about valve gap 2 and close exhaust passage 11, valve gap 2 is in a falling state under Gravitative Loads, supporting bounding means 23 just in time contacts with fitting seat 32, valve gap 2 is hitched and is bearing on fitting seat 32, just in time fits with the outlet end of exhaust passage 11 in the lower end surface of sealed department 21; When gas pressure is elevated to the weight that is greater than valve gap 2, valve gap 2 is pushed away to open along pilot hole 321 by air-flow and slides and rise, air-flow flows out from the annular space between valve gap 2 and the outlet end of exhaust passage 11, and the size of this annular space regulates automatically with the size of stream pressure; When gas pressure is less than the weight of valve gap 2, valve gap 2 relies on again deadweight to glide and makes the lower end surface of sealed department 21 and the laminating of the outlet end of exhaust passage 11, exhaust passage 11 is closed.
The present invention utilizes the weight of valve gap 2 and automatic pressure-balancing method that gas pressure balances each other to realize constant voltage exhaust, when gas pressure is less than the gravity of valve gap 2, valve gap 2 relies on gravity to keep with the outlet end laminating of exhaust passage 11 and by exhaust passage 11 blocking-up, when gas pressure surpasses the gravity of valve gap 2, valve gap 2 is pushed away and opening the outlet end that vertically slip climbs away exhaust passage 11 by air-flow, and high-temperature gas is discharged from outlet end and the gap between valve gap 2 of exhaust passage 11.In the process of constant voltage exhaust, between the outlet end of exhaust passage 11 and valve gap 2, form the annular space of uniformity, can guarantee that the air pressure in burner hearth is relatively stable, and air-flow evenly washes away the valve body 1 of the outlet end periphery of exhaust passage 11, make valve body 1 even wearing of outlet end periphery of exhaust passage 11 consistent, there will not be the problem because of uneven wear premature failure, further extended working life.
The present invention is as follows for the working principle of the high-temperature exhaust air valve of Industrial Stoves:
When telescopic cylinder shrinks, fork 34 swings to the right, fitting seat 32 is to upper right translation, valve gap 2 with fitting seat 32 to upper right translation, the outlet end that the bottom surface of the sealed department 21 of valve gap 2 departs from exhaust passage 11 gradually, when telescopic cylinder is retracted to limit position, valve gap 2 departs from the outlet end of exhaust passage 11 completely, and valve gap 2 is (shown in the double dot dash line in Fig. 1) in enable possition, and air-flow is 11 discharges from exhaust passage; When telescopic cylinder stretches out, fork 34 swings left, fitting seat 32 is below translation left, valve gap 2 is also with fitting seat 32 below translation left, the bottom surface of the sealed department 21 of valve gap 2 is gradually near the outlet end of exhaust passage 11, and when telescopic cylinder reaches limit position, the sealed department 21 of valve gap 2 is close to the outlet end of exhaust passage 11, valve gap 2 is in buttoned-up status, and air-flow can not 11 discharges from exhaust passage.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is also not only confined to above-described embodiment.For those skilled in the art, also should be considered as protection scope of the present invention not departing from resulting improvement and conversion under the technology of the present invention design prerequisite.
Claims (10)
1. the high-temperature exhaust air valve for Industrial Stoves, comprise valve body (1) and valve gap (2), described valve body (1) is provided with exhaust passage (11), described exhaust passage (11) have for described valve gap (2) the laminating outlet end so that exhaust passage (11) are disconnected, it is characterized in that: described venting gas appliance also comprise for drive described valve gap (2) with translational motion away from or the keying driven unit (3) of the outlet end of the described exhaust passage (11) of fitting.
2. the high-temperature exhaust air valve for Industrial Stoves according to claim 1, it is characterized in that: described valve gap (2) refers to away from the position of the outlet end of described exhaust passage (11), described valve gap (2) is positioned at described outlet end one side and near the plane at described outlet end place.
3. the high-temperature exhaust air valve for Industrial Stoves according to claim 2, it is characterized in that: described keying driven unit (3) comprises fixed base (31), fitting seat (32), telescopic drive part (33) and two forks (34), described two forks (34) are articulated with between described fixed base (31) and fitting seat (32) and form a parallelogram swing mechanism, described telescopic drive part (33) is connected with described parallelogram swing mechanism and drives described parallelogram swing mechanism to swing and makes fitting seat (32) do translational motion, described valve gap (2) is installed on described fitting seat (32).
4. the high-temperature exhaust air valve for Industrial Stoves according to claim 3, it is characterized in that: a described fork (34) is provided with chute (341), the drive end of described telescopic drive part (33) is connected with pull bar (331), and described pull bar (331) is slidedly arranged in described chute (341).
5. the high-temperature exhaust air valve for Industrial Stoves according to claim 4, is characterized in that: described fixed base (31) is fixed on described valve body (1); Described telescopic drive part (33) is telescopic cylinder, and described telescopic cylinder is installed on described fixed base (31).
6. the high-temperature exhaust air valve for Industrial Stoves according to claim 3, is characterized in that: described two forks (34) are positioned in same level with the hinge axes of fixed base (31).
7. according to the high-temperature exhaust air valve for Industrial Stoves described in any one in claim 3 to 6, it is characterized in that: the faying surface horizontal arrangement of the outlet end of described exhaust passage (11) and described valve gap (2).
8. the high-temperature exhaust air valve for Industrial Stoves according to claim 7, it is characterized in that: it is upper that described valve gap (2) is vertically slidedly arranged on described fitting seat (32), and described valve gap (2) relies on gravity to fit in the outlet end of described exhaust passage (11).
9. the high-temperature exhaust air valve for Industrial Stoves according to claim 8, it is characterized in that: described fitting seat (32) is provided with pilot hole (321), described valve gap (2) comprises the sealed department (21) of fitting with the outlet end of described exhaust passage (11) and is vertically slidedly arranged on the slide bar portion (22) in described pilot hole (321), the lower end of described slide bar portion (22) is connected with described sealed department (21), the upper end of described slide bar portion (22) is connected with supporting bounding means (23), and described supporting bounding means (23) is supported on described fitting seat (32).
10. the high-temperature exhaust air valve for Industrial Stoves according to claim 9, is characterized in that: the nut of described supporting bounding means (23) for being connected with described slide bar portion (22) screw-thread fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410238501.3A CN104006167B (en) | 2014-05-30 | 2014-05-30 | High-temperature exhaust air valve for Industrial Stoves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410238501.3A CN104006167B (en) | 2014-05-30 | 2014-05-30 | High-temperature exhaust air valve for Industrial Stoves |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104006167A true CN104006167A (en) | 2014-08-27 |
| CN104006167B CN104006167B (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410238501.3A Active CN104006167B (en) | 2014-05-30 | 2014-05-30 | High-temperature exhaust air valve for Industrial Stoves |
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| Country | Link |
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| CN (1) | CN104006167B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139949A (en) * | 2018-10-30 | 2019-01-04 | 湖南金炉科技股份有限公司 | Gauche form high-temperature exhaust air valve for Industrial Stoves |
| CN111271467A (en) * | 2020-01-20 | 2020-06-12 | 宁波真格液压科技有限公司 | Gate valve |
| CN113581782A (en) * | 2021-07-21 | 2021-11-02 | 特创技盟电子(苏州)股份有限公司 | Corner material moving device of new energy automobile sampling assembly FPC circuit board pressing device |
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| US4726391A (en) * | 1985-07-26 | 1988-02-23 | Aluminium Pechiney | Rotary switching device provided with an axially displaceable conical chamber |
| CN201330883Y (en) * | 2008-12-22 | 2009-10-21 | 洛阳北方玻璃技术股份有限公司 | Deflector type flap valve |
| CN201916544U (en) * | 2011-01-14 | 2011-08-03 | 北京安信中元科技发展有限公司 | Stop valve for rapidly switching heat accumulating type industrial furnace fuel gas and fume |
| CN202056353U (en) * | 2011-04-01 | 2011-11-30 | 淄博淄柴新能源有限公司 | Large-drift-diameter movable plate type four-way reversing device |
| CN102966745A (en) * | 2012-12-06 | 2013-03-13 | 张家政 | Sealing valve with double valve plates |
| CN203571120U (en) * | 2013-10-30 | 2014-04-30 | 佛山市朗盾铝加工设备有限公司 | Three-way reversing valve for industrial furnace |
| CN204004443U (en) * | 2014-05-30 | 2014-12-10 | 长沙矿冶研究院有限责任公司 | High-temperature exhaust air valve for Industrial Stoves |
-
2014
- 2014-05-30 CN CN201410238501.3A patent/CN104006167B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4726391A (en) * | 1985-07-26 | 1988-02-23 | Aluminium Pechiney | Rotary switching device provided with an axially displaceable conical chamber |
| CN201330883Y (en) * | 2008-12-22 | 2009-10-21 | 洛阳北方玻璃技术股份有限公司 | Deflector type flap valve |
| CN201916544U (en) * | 2011-01-14 | 2011-08-03 | 北京安信中元科技发展有限公司 | Stop valve for rapidly switching heat accumulating type industrial furnace fuel gas and fume |
| CN202056353U (en) * | 2011-04-01 | 2011-11-30 | 淄博淄柴新能源有限公司 | Large-drift-diameter movable plate type four-way reversing device |
| CN102966745A (en) * | 2012-12-06 | 2013-03-13 | 张家政 | Sealing valve with double valve plates |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139949A (en) * | 2018-10-30 | 2019-01-04 | 湖南金炉科技股份有限公司 | Gauche form high-temperature exhaust air valve for Industrial Stoves |
| CN109139949B (en) * | 2018-10-30 | 2024-01-26 | 湖南金炉科技股份有限公司 | Deflection type high-temperature exhaust valve for industrial kiln |
| CN111271467A (en) * | 2020-01-20 | 2020-06-12 | 宁波真格液压科技有限公司 | Gate valve |
| CN111271467B (en) * | 2020-01-20 | 2023-03-24 | 浙江冠正阀门股份有限公司 | Gate valve |
| CN113581782A (en) * | 2021-07-21 | 2021-11-02 | 特创技盟电子(苏州)股份有限公司 | Corner material moving device of new energy automobile sampling assembly FPC circuit board pressing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104006167B (en) | 2016-06-15 |
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Effective date of registration: 20160826 Address after: Workshop of 410000 Hunan province Changsha hi tech Development Zone, Lu Tin Road No. 18 Hunan long-term lithium Branch Co. Ltd. 203-205 room Patentee after: HUNAN JINLU TECHNOLOGY CO., LTD. Address before: Yuelu District City, Hunan province 410000 Changsha Lushan Road No. 966 Patentee before: Changsha Research Institute of Mining and Metallurgy Co., Ltd. |
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Address after: Room 203-205, Hunan Changyuan Lithium Co., Ltd., No. 18 Lutian Road, Changsha High-tech Development Zone, Hunan Province Patentee after: Hunan golden furnace Polytron Technologies Inc Address before: Room 203-205, Hunan Changyuan Lithium Co., Ltd., No. 18 Lutian Road, Changsha High-tech Development Zone, Hunan Province Patentee before: HUNAN JINLU TECHNOLOGY CO., LTD. |
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