CN201259367Y - Completely atmosphere controlled fully closed continuous revolving furnace - Google Patents
Completely atmosphere controlled fully closed continuous revolving furnace Download PDFInfo
- Publication number
- CN201259367Y CN201259367Y CNU2008201208971U CN200820120897U CN201259367Y CN 201259367 Y CN201259367 Y CN 201259367Y CN U2008201208971 U CNU2008201208971 U CN U2008201208971U CN 200820120897 U CN200820120897 U CN 200820120897U CN 201259367 Y CN201259367 Y CN 201259367Y
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- boiler tube
- rotary furnace
- hermetically sealed
- continous way
- atmosphere control
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Abstract
The utility model relates to a heating preparation device for a metal powder, and in particular to an omniseal continuous-type rotary furnace that is controlled by gas atmosphere, which mainly aims at resolving the technical problems of the prior art that the crush of the high-temperature sealing disc root is difficult to be controlled during the assembling and the commissioning, the utilization rate of the equipments is low, the consumption of the protection gas is large, the heat loss is serious, and the gas discharging system and the feeding system cannot ensure the complete tightness inside the furnace tube. The omniseal continuous-type rotary furnace comprises a feeding hopper and a discharging hopper, wherein, a furnace tube is arranged between the feeding hopper and the discharging hopper; a sealing device is respectively arranged at the joining place between the feeding hopper and the furnace tube and between the discharging hopper and the furnace tube; the sealing device comprises an obturating ring seat that is arranged on the furnace tube, and two opened-type slots are arranged on the inner circle of the obturating ring seat, and a sealing lip sealing element is respectively arranged inside the two slots and is respectively fixed by a pressing cover; and a cavity that can accommodate the gas is arranged between the two slots, and the obturating ring seat is provided with a through hole that can be charged by air and is communicated with the cavity.
Description
Technical field
The utility model relates to a kind of equipment for heating preparing that adds of metal powder, especially relates to a kind of isostructural improvement of hermetically sealed continous way rotary furnace to full atmosphere control.
Background technology
Preparation ferric phosphate lithium cell positive electrode is normal at present adopts hermetically sealed continous way rotary furnace, but does not realize satisfactory results, and constant product quality is poor, and performance indications are low, forces enterprise to adopt meshbeltfurnace or pusher furnace to calcine.But will make the complex technical process of preparation LiFePO4 like this, cost increases, and energy consumption strengthens, and carries out hermetically sealed continous way rotary furnace research for this reason.Chinese patent discloses a kind of hermetically sealed continous way rotary furnace (Granted publication number: CN 201032354Y), it comprises feed system, feed hopper, supporting seat, gas extraction system, stove head seal, heating system, boiler tube, the sealing of stove tail, discharge system, discharge bucket, the transmission bracing frame, the body of heater tank bracket, feeding device constitutes, the feed hopper of feed system is connected in feeding device, gas extraction system, stove head seal is fixed on the transmission bracing frame, the afterbody of feeding device, the head of boiler tube is fixed on the supporting seat, the afterbody of boiler tube is fixed on transfixion on the body of heater tank bracket, boiler tube rotatablely moves, heating system is installed in the top of boiler tube, and the sealing of stove tail is arranged between the afterbody and discharge bucket of boiler tube; Stove head seal is to be provided with one group of circular elevated-temperature seal ring, one group of circular elevated-temperature seal packing and one group of air inlet pipe at boiler tube head outer tube wall to constitute, form air flue between elevated-temperature seal ring and elevated-temperature seal packing, the one group of air inlet pipe that is located on the boiler tube head outer tube wall is coupled; Stove tail sealing is to form sealing between boiler tube and discharge bucket, at the afterbody outer wall of boiler tube circular ferrule is set, and is provided with one group of elevated-temperature seal packing at the circular metal barrel, is provided with compression ring on one group of elevated-temperature seal packing; Elevated-temperature seal ring and elevated-temperature seal packing in stove head seal and the sealing of stove tail are tetrafluoro or rubber ring; Heating element heater is METAL HEATING PROCESS silk or heating rod, adopts heater strip half inserted or whole inserted, and heating element heater is uniformly distributed in the inboard of burner hearth, forms circular furnace lining; The boiler tube metallic interior surface is provided with the multiple tracks laths of metal, and straight shape or waveform are interrupted and are arranged or continuously within the whole boiler tube, material can be taken up along certain direction in the cylindrical shell rotation, play the effect that stirs and vertically carry; At charging, discharge end the furnace gas acquisition system is set, is connected in kiln head and afterbody with metal tube; Next door at the burner feed pipe is provided with gas extraction system.But the difficult control of the elevated-temperature seal packing of this equipment crush when assembling and setting, because of adding thermal expansion with cylindrical shell, the sealing property between cylindrical shell and the packing changes, when crush is big, though good airproof performance, but the expansion of cylindrical shell can cause the frictional force of sealed packing and cylindrical shell to increase severely during high temperature, the rotating moment of resistance of cylindrical shell increases greatly, causes the transmission system overload, and energy consumption strengthens; Otherwise; though crush hour has the protection gas curtain; but extraneous air still can enter in the stove; could realize sealing when having only furnace temperature to reach uniform temperature; will cause stove igniting back stand-by time very long like this; until sealing form, the production that just can feed intake after the protective atmosphere oxygen content reaches requirement in the stove, so the utilization rate of equipment and installations of this kind device is low, protective gas consumption is big.And the laths of metal of boiler tube inner surface can only roll material, and can't make material rest on the top of boiler tube owing to be straight shape or waveform, causes serious heat loss.Gas extraction system and feed system also can't guarantee the hermetically sealed property of boiler tube inside.
Summary of the invention
The purpose of this utility model provides a kind of hermetically sealed continous way rotary furnace of full atmosphere control, it mainly is to solve the difficult control of existing in prior technology elevated-temperature seal packing crush when assembling and setting, cause the transmission system overload during high temperature, energy consumption strengthens, therefore utilization rate of equipment and installations is low, the problem that protective gas consumption is big; The laths of metal that the utility model has also solved the boiler tube inner surface can only roll material, and can't make material rest on the top of boiler tube, causes serious heat loss, the technical problem of hermetically sealed property that gas extraction system and feed system also can't boiler tube inside etc.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
The hermetically sealed continous way rotary furnace of full atmosphere control of the present utility model, comprise feed hopper and discharge bucket, be connected with boiler tube between feed hopper and the discharge bucket, the pipe shaft that it is characterized in that described boiler tube is provided with heating system, feed hopper is provided with gas extraction system, the part of joining of feed hopper, discharge bucket and boiler tube is provided with sealing device, sealing device comprises the packing holder that is fastened on the boiler tube, have two open type grooves on the interior circle of packing holder, be arranged with the sealing lip seal respectively in two grooves, and fix with gland; Be provided with the cavity that can hold gas between two grooves, packing holder is provided with the through hole that can charge into gas and is communicated with cavity; Boiler tube is connected with the drive unit that can make its rotation, and boiler tube is located on the turntable by the pivoting support seat.Because burner, stove afterbody at boiler tube have all adopted the combination sealing of sealing lip seal with protection compression ring composition, therefore can realize full atmosphere control to firing chamber in the boiler tube.Between two sealing lip seals of packing holder, feed protective gas, form sealing lip seal, protection gas curtain, sealing lip seal three seals, can stop that outside air enters in the boiler tube, thereby realize accurate control furnace atmosphere.The control of atmosphere is under cold conditions protective atmosphere to be fed boiler tube, and the oxygen in the pipe is discharged out of the furnace, and through displacement after a while, fully under protective atmosphere control, oxygen content can be less than 1ppm in the boiler tube in the boiler tube.The sealing lip sealing member material can be made with the modification fluorubber.Drive unit can be a motor, and motor connects boiler tube by gear or sprocket wheel.
As preferably, be provided with leakproof seal lip and dust seal lip in the described sealing lip seal, two seals lip end all contacts with the outer surface of boiler tube.Two road sealing lips, wherein near one anti-gas-leak of feed hopper one side, the anti-sintering dust in another road enters in the boiler tube.
As preferably, be connected with some high temperature resistant and can stir the L type body of material on the inwall of described boiler tube.The section of L type body is " L " type, and one bar side is vertically welded on the inwall of boiler tube.L type body can be contained material, makes material the eminence in boiler tube carry out roasting, and heat utilization efficiency is higher.
As preferably, the angle α of described L type body and boiler tube axis is 3～30 °, and the L type body of every row is 4～7, and the L type body of each row all with the L type body of adjacent column in a circumferential direction mutual dislocation arrange.L type body and angle of boiler tube axis inclination, L type body, secondary series and the tertial L type body of first row and secondary series, by that analogy, an angle in a circumferential direction misplaces respectively, spiral rises, and makes boiler tube make full use of the roasting space of the heat transfer efficiency and the boiler tube of tube wall.
As preferably, described gas extraction system comprises the blast pipe that connects on the feed hopper, and blast pipe is provided with valve, and the blast pipe other end feeds and can adorn in the container of liquid.Blast pipe is located at the feed hopper top, the flow of exhaust can be controlled with valve regulated, and to realize the discharging of the volatilization gas in the rotary furnace, the terminal pipeline of discharge duct adds cooling jacket, feed cooling circulating water, vapours can be condensed into water inflow container is in the water tank.This container still has other effect, in the time will controlling furnace atmosphere in the equipment running process, does not allow outside air to enter in the blast pipe thus, so need add water this moment in container, the exhaust outlet place is carried out water seal, stops outside air to enter in the blast pipe.
As preferably, described feed hopper is connected with the helical feed feeder, and the helical feed feeder is connected with the spiral lifter that material is promoted, and spiral lifter lower end is connected with the storage bin of depositing material.The storage bin top can be provided with the interface that is complementary with last process discharging opening shape.Storage bin can be avoided dry material to contact with air when charging making moist and change rerum natura.The material of last process drying is stored in this storage bin, then this storage bin is transported to spiral lifter place and connected, realize that entering the rotary furnace material does not make moist, rerum natura is constant.The spiral lifter can be hinged on the frame, can regulate the spacing between storage bin and the helical feed feeder like this.Storage bin can be provided with 3～5, is convenient to turnover and uses.
As preferably, be connected with the funnel of vertically setting up on the described spiral lifter, the funnel lower end is communicated with the helical feed feeder.Funnel can be sent into the material of spiral lifter upper end in the helical feed feeder successively.
As preferably, described discharge bucket is connected with the fore shaft machine that can allow processing back material discharge successively, and fore shaft machine lower end connects the helical feed discharger.The helical feed discharger is hinged on the turntable, thereby can regulate its gradient.
As preferably, described heating system comprises the heater of boiler tube pipe shaft periphery, and the heater periphery is provided with heat-insulation layer.Form burner hearth between heater and the boiler tube, the heat-insulation layer periphery is by the stent support that is located on the turntable.
As preferably, described turntable is hinged on the frame by rotating to pay, and is connected with the hoist cylinder that can promote turntable between turntable bottom and the frame.The inclination of boiler tube is to realize that by a rotation angle mechanism of installing on frame it is paid with hoist cylinder by a secondary rigidity rotation and forms.The two ends of hoist cylinder are hinged with frame, turntable respectively.The hard-over of rotation angle mechanism can be 3 °, i.e. 3 ° of the maximum tiltables of rotary furnace can regulated at will, and this moment, boiler tube tilted, and when boiler tube turn round, can move the material adipping of roasting in the boiler tube, realized material vertically conveying in boiler tube.
Therefore, the utlity model has the degree of purity of protective atmosphere in the accurate control of the energy stove, the crush control when assembling and setting of sealing lip seal is comparatively simple, can not cause the transmission system overload during high temperature, energy consumption is less, the utilization rate of equipment and installations height, and protective gas consumes little characteristics; The material that the utility model also has a rotary furnace roasting can not hoarded the bottom at boiler tube, and the roasting material can be heated equally in boiler tube top, utilizes heat to greatest extent, and roasting efficient is than characteristics such as height.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is A portion structure for amplifying schematic diagrames of Fig. 1;
Accompanying drawing 4 is cross-sectional configuration schematic diagrames of boiler tube;
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the hermetically sealed continous way rotary furnace of the full atmosphere control of this example, as Fig. 1, a frame is arranged, frame is paid 19 by rotation and is hinged with turntable 8, and is connected with the hoist cylinder 20 that can promote turntable 8 between turntable 8 bottoms and the frame.Be connected with pivoting support seat 7 on the turntable 8, pivoting support seat upper support has rotatable boiler tube 3, and boiler tube 3 is connected with the drive unit that can make its rotation, and drive unit is a motor, and motor rotates by buncher, reduction box, chain wheel drive boiler tube 3.As Fig. 4, Fig. 5, it is high temperature resistant and can stir the L type body 9 of material to be connected with multiple row on the inwall of boiler tube 3.The angle α of L type body and boiler tube 3 axis is 10 °, and the L type body 9 of each row all with the L type body of adjacent column in a circumferential direction mutual dislocation arrange.Boiler tube 3 pipe shaft peripheries are provided with heater 17, and the heater periphery is provided with heat-insulation layer 18, and heat-insulation layer is with support outward and is fixed on the turntable.The two ends of boiler tube 3 are connected with feed hopper 1 and discharge bucket 2, as Fig. 2, Fig. 3, feed hopper 1, discharge bucket 2 are provided with sealing device with the part of joining of boiler tube 3, sealing device comprises the packing holder 4 that is fastened on the boiler tube 3, have two open type grooves on the interior circle of packing holder 4, be arranged with a sealing lip seal 5 in two grooves respectively, and fixing with gland 6; Be provided with leakproof seal lip 5-1 and dust seal lip 5-2 in the sealing lip seal 5, two seals lip end all contacts with the outer surface of boiler tube 3; Be provided with the cavity that can hold gas between two grooves, packing holder 4 is provided with the through hole 4-1 that can charge into gas and is communicated with cavity.The upper end of feed hopper 1 is connected with blast pipe 10, and blast pipe is provided with valve, and it is in the water tank that blast pipe 10 other ends feed the container 11 that can adorn liquid.Feed hopper 1 is connected with helical feed feeder 12, and helical feed feeder 12 is connected with the spiral lifter 13 that material is promoted by the funnel of vertically setting up 21, and spiral lifter lower end is connected with the storage bin 14 of depositing material.Discharge bucket 2 is connected with the fore shaft machine 15 that can allow processing back material discharge successively, and fore shaft machine 15 lower ends connect helical feed discharger 16.
During use, the dry material of last process production is stored in the storage bin 14 of atmosphere protection, the top interface of storage bin can be connected with the last process discharging opening, and the interface of storage bin bottom is connected with spiral lifter 13 interfaces.So just can realize the material of last process is transported to helical feed feeder 12 porch that are installed on the feed hopper 1 by the spiral lifter, material is sent in the boiler tube 3, realize that material conveying process does not contact with outside air, keep rerum natura not make moist.Boiler tube turns round at a slow speed under the transmission of motor by buncher, reduction box, sprocket wheel.At this moment, the material of roasting is thrown in the boiler tube that has L type body 9, and material is heated and stirs in L type body, and it is than the boiler tube heating heat transfer efficiency height that does not have L type body, and it is many to absorb heat energy.The gases such as steam that escaping gas that produces during roasting or material reaction generate are discharged from outside the stove by the valve regulated on the blast pipe 10, will guarantee simultaneously also to be in barotropic state in the boiler tube, and outside air can't enter in the stove.Material vertically moving during roasting in boiler tube be rely on rotate pay 19 and hoist cylinder 20 boiler tube 3 is tilted, realize that material moves at a slow speed to boiler tube 3 incline directions.When discharge bucket 2 is arrived in the material length travel in the boiler tube, material is finished roasting, material after the roasting is discharged from discharge bucket outlet, and through the orderly inlet of material being sent into the helical feed discharger 16 that has refrigerating function of fore shaft machine 15, material is discharged by helical feed discharger discharging opening through supercooling.
Claims (10)
1. the hermetically sealed continous way rotary furnace of a full atmosphere control, comprise feed hopper (1) and discharge bucket (2), be connected with boiler tube (3) between feed hopper (1) and the discharge bucket (2), the pipe shaft that it is characterized in that described boiler tube (3) is provided with heating system, feed hopper (1) is provided with gas extraction system, feed hopper (1), discharge bucket (2) is provided with sealing device with the part of joining of boiler tube (3), sealing device comprises the packing holder (4) that is fastened on the boiler tube (3), have two open type grooves on the interior circle of packing holder (4), be arranged with sealing lip seal (5) in two grooves respectively, and fixing with gland (6); Be provided with the cavity that can hold gas between two grooves, packing holder (4) is provided with the through hole (4-1) that can charge into gas and is communicated with cavity; Boiler tube (3) is connected with the drive unit that can make its rotation, and boiler tube is located on the turntable (8) by pivoting support seat (7).
2. the hermetically sealed continous way rotary furnace of full atmosphere control according to claim 1, it is characterized in that being provided with in the described sealing lip seal (5) leakproof seal lip (5-1) and dust seal lip (5-2), two seals lip end all contacts with the outer surface of boiler tube (3).
3. the hermetically sealed continous way rotary furnace of full atmosphere control according to claim 1 and 2 is characterized in that being connected with on the inwall of described boiler tube (3) some high temperature resistant and can stir the L type body (9) of material.
4. the hermetically sealed continous way rotary furnace of full atmosphere control according to claim 3, it is characterized in that the described L type body (9) and the angle α of boiler tube (3) axis are 3～30 °, the L type body (9) of every row is 4～7, and the L type body (9) of each row all with the L type body of adjacent column in a circumferential direction mutual dislocation arrange.
5. the hermetically sealed continous way rotary furnace of full atmosphere control according to claim 1 and 2, it is characterized in that described gas extraction system comprises the blast pipe (10) that feed hopper (1) upward connects, blast pipe is provided with valve, and blast pipe (10) other end feeds and can adorn in the container (11) of liquid.
6. the hermetically sealed continous way rotary furnace of full atmosphere control according to claim 1 and 2, it is characterized in that described feed hopper (1) is connected with helical feed feeder (12), helical feed feeder (12) is connected with the spiral lifter (13) that material is promoted, and spiral lifter lower end is connected with the storage bin (14) of depositing material.
7. the hermetically sealed continous way rotary furnace of full atmosphere control according to claim 6 is characterized in that described spiral lifter (13) upper end is connected with the funnel of vertically setting up (21), and funnel (21) lower end is communicated with helical feed feeder (12).
8. the hermetically sealed continous way rotary furnace of full atmosphere control according to claim 1 and 2, it is characterized in that described discharge bucket (2) is connected with the fore shaft machine (15) that can allow processing back material discharge successively, fore shaft machine (15) lower end connects helical feed discharger (16).
9. the hermetically sealed continous way rotary furnace of full atmosphere control according to claim 1 and 2 is characterized in that described heating system comprises the heater (17) of boiler tube (3) pipe shaft periphery, and the heater periphery is provided with heat-insulation layer (18).
10. the hermetically sealed continous way rotary furnace of full atmosphere control according to claim 1 and 2, it is characterized in that described turntable (8) by on rotation pair (19) hinged frame, and be connected with the hoist cylinder (20) that can promote turntable (8) between turntable (8) bottom and the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201208971U CN201259367Y (en) | 2008-07-04 | 2008-07-04 | Completely atmosphere controlled fully closed continuous revolving furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201208971U CN201259367Y (en) | 2008-07-04 | 2008-07-04 | Completely atmosphere controlled fully closed continuous revolving furnace |
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| CN201259367Y true CN201259367Y (en) | 2009-06-17 |
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| CNU2008201208971U Expired - Lifetime CN201259367Y (en) | 2008-07-04 | 2008-07-04 | Completely atmosphere controlled fully closed continuous revolving furnace |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103063016A (en) * | 2013-01-28 | 2013-04-24 | 神华集团有限责任公司 | Rotary kiln |
| CN104482757A (en) * | 2014-12-02 | 2015-04-01 | 中国航天科工集团第三研究院第八三五八研究所 | Tilting high-temperature rotary tube furnace for continuous heat treatment |
| CN104596236A (en) * | 2015-01-26 | 2015-05-06 | 四川有峰环保科技有限公司 | Improved rotary kiln and method for producing cement and by-product yellow phosphorus or phosphoric acid |
| CN105586498A (en) * | 2016-03-14 | 2016-05-18 | 李宾 | Method for producing ferronickel through efficient step forking type rotary reduction furnace in direct reduction manner |
| CN105841448A (en) * | 2016-03-15 | 2016-08-10 | 温州职业技术学院 | Conveying and drying device of rail trolley for electromagnetic ovens |
| CN106086425A (en) * | 2016-08-12 | 2016-11-09 | 安阳市岷山有色金属有限责任公司 | A kind of earth of positive pole smelting furnace and earth of positive pole smelting process |
| WO2017107532A1 (en) * | 2015-12-21 | 2017-06-29 | 格林美股份有限公司 | Internal heating ceramic liner rotary furnace |
| TWI619917B (en) * | 2017-01-18 | 2018-04-01 | 沈茂田 | Gasketless furnace door structure with high temperature and high pressure |
| CN110125430A (en) * | 2019-06-26 | 2019-08-16 | 赣州博立科技有限公司 | A kind of tungsten powder reduction huge revolving furnace |
| CN111575030A (en) * | 2020-05-27 | 2020-08-25 | 焦彪彪 | Biomass pyrolysis horizontal converter with bearing sealing structure |
| CN113028825A (en) * | 2020-10-13 | 2021-06-25 | 南京利卡维智能科技有限公司 | Lifting type combinable furnace tube |
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2008
- 2008-07-04 CN CNU2008201208971U patent/CN201259367Y/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103063016B (en) * | 2013-01-28 | 2015-04-08 | 神华集团有限责任公司 | Rotary kiln |
| CN103063016A (en) * | 2013-01-28 | 2013-04-24 | 神华集团有限责任公司 | Rotary kiln |
| CN104482757A (en) * | 2014-12-02 | 2015-04-01 | 中国航天科工集团第三研究院第八三五八研究所 | Tilting high-temperature rotary tube furnace for continuous heat treatment |
| CN104596236B (en) * | 2015-01-26 | 2016-08-17 | 四川金磷硅谷科技有限公司 | A kind of improve rotary kiln and produce cement by-product yellow phosphorus or the method for phosphoric acid |
| CN104596236A (en) * | 2015-01-26 | 2015-05-06 | 四川有峰环保科技有限公司 | Improved rotary kiln and method for producing cement and by-product yellow phosphorus or phosphoric acid |
| WO2017107532A1 (en) * | 2015-12-21 | 2017-06-29 | 格林美股份有限公司 | Internal heating ceramic liner rotary furnace |
| CN105586498A (en) * | 2016-03-14 | 2016-05-18 | 李宾 | Method for producing ferronickel through efficient step forking type rotary reduction furnace in direct reduction manner |
| WO2017157092A1 (en) * | 2016-03-14 | 2017-09-21 | 李宾 | Method for producing ferronickel by means of high efficiency step forking type rotary reduction furnace in direct reduction manner |
| CN105586498B (en) * | 2016-03-14 | 2017-09-26 | 李宾 | The method of efficient step fork fraction rotary reduction furnace direct-reduction production ferronickel |
| CN105841448A (en) * | 2016-03-15 | 2016-08-10 | 温州职业技术学院 | Conveying and drying device of rail trolley for electromagnetic ovens |
| CN105841448B (en) * | 2016-03-15 | 2018-10-12 | 温州职业技术学院 | A kind of electromagnetic oven railcar conveying drying device |
| CN106086425A (en) * | 2016-08-12 | 2016-11-09 | 安阳市岷山有色金属有限责任公司 | A kind of earth of positive pole smelting furnace and earth of positive pole smelting process |
| CN106086425B (en) * | 2016-08-12 | 2018-05-11 | 安阳市岷山有色金属有限责任公司 | A kind of earth of positive pole smelting furnace and earth of positive pole smelting process |
| TWI619917B (en) * | 2017-01-18 | 2018-04-01 | 沈茂田 | Gasketless furnace door structure with high temperature and high pressure |
| CN110125430A (en) * | 2019-06-26 | 2019-08-16 | 赣州博立科技有限公司 | A kind of tungsten powder reduction huge revolving furnace |
| CN110125430B (en) * | 2019-06-26 | 2024-02-27 | 赣州博立科技有限公司 | Large rotary furnace for tungsten powder reduction |
| CN111575030A (en) * | 2020-05-27 | 2020-08-25 | 焦彪彪 | Biomass pyrolysis horizontal converter with bearing sealing structure |
| CN113028825A (en) * | 2020-10-13 | 2021-06-25 | 南京利卡维智能科技有限公司 | Lifting type combinable furnace tube |
| CN113028825B (en) * | 2020-10-13 | 2022-09-27 | 南京利卡维智能科技有限公司 | Hoisting type combined furnace tube |
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Owner name: HANGZHOU GOLDEN HORSE ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HANGZHOU SNSO BATTERY CO., LTD. Effective date: 20110610 |
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Free format text: CORRECT: ADDRESS; FROM: 311200 ROOM 504, VENTURE CENTER, NO. 28, TONGHUI NORTH ROAD, XIAOSHAN DISTRICT, HANGZHOU CITY, ZHEJIANG PROVINCE TO: 311232 NO. 117, HONGXING ROAD, QIAONAN AREA BLOCK, XIAOSHAN ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, HANGZHOU CITY, ZHEJIANG PROVINCE |
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Effective date of registration: 20110610 Address after: Hangzhou City, Zhejiang Province, 311232 blocks south of Xiaoshan economic and Technological Development Zone Hung Hing Road No. 117 Patentee after: Hangzhou Golden Horse Energy Technology Co., Ltd. Address before: Xiaoshan Tong Hui Road District of Hangzhou City, Zhejiang province 311200 No. 28 business center room 504 Patentee before: Hangzhou Snso Battery Co., Ltd. |
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Granted publication date: 20090617 |