CN201032354Y - Fully sealed continuous rotary kiln - Google Patents
Fully sealed continuous rotary kiln Download PDFInfo
- Publication number
- CN201032354Y CN201032354Y CNU200720031819XU CN200720031819U CN201032354Y CN 201032354 Y CN201032354 Y CN 201032354Y CN U200720031819X U CNU200720031819X U CN U200720031819XU CN 200720031819 U CN200720031819 U CN 200720031819U CN 201032354 Y CN201032354 Y CN 201032354Y
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Abstract
The utility model relates to a fully sealed continuous rotary furnace which continuously works, which comprises a feed system, a discharge system, a rotary furnace body, a furnace head seal assembly, a furnace tail seal assembly. Materials enters into a furnace head storage hopper from a furnace head, then enters into a furnace tube of the rotary furnace along a filler conveying system and is heated and calcined in the furnace tube, meanwhile, the furnace tail slowly operates; a feed part and a discharge part at two ends of the furnace tube of the furnace body is static while the furnace is rotary; a sealing system is arranged between static and dynamic matching of the furnace head and the furnace tail and forms seal to ensure that the materials react and is heated under atmosphere control and achieve atmosphere control baking. With the development requirements of novel powder materials, requirements for control of baking procedure and technique are higher and higher. The utility model can realize the index requirement of the novel powder materials for high-precision sealing during baking procedure.
Description
One, technical field
The utility model relates to a kind of hermetically sealed continous way rotary furnace.Mainly apply to battery material, the preparation of novel energy material heating, redox reaction, the calcining preparation of processes such as mineral matter processing, refining, purification.
Two, background technology
The processing calcination process of battery powder materials, energy powder body material, mineral material etc., in the middle of preparation before, do not carry out precision accurately control reliably, its product often is primary product, product quality stability is poor, performance indications are low, energy consumption index is bigger, even the process that has can not realize because not reaching atmosphere control completely.
Prior art Chinese patent (Chinese utility model patent ZL200420065022.8, on November 16th, 2005) Gong Gao " a kind of rotary kiln air pressing type sealing device ", what adopt is to be blown into air by the air fan housing to the sealing position to form malleation and prevent that to reach powder and flue gas are in this mode of overflowing in the stove, but it can only be used for not making under oxidation environment powder body material to be diffused into effect outside the stove, can not intercept entering of air or oxygen, owing to be direct air fan housing, need bigger consumption just can keep such effect simultaneously to gas.
Prior art Chinese patent (Chinese utility model patent ZL01240498.5, on March 20th, 2002) Gong Gao " stuffing seal of revolving drum equipment ", thereby fill the formation sealing medium by spent material and reach sealing effectiveness, but because the distinct temperature at this position and long-term friction, the wearing and tearing of packing medium appear easily, thereby reduce or the loss of seal effect, this structure has higher requirement to the accurate to dimension of each seal member simultaneously, just can reach certain sealing effectiveness.
Prior art Chinese patent (Chinese utility model patent ZL00210938.7, on December 6th, 2000) Gong Gao " heating rotary kiln outward ", also be to reach certain sealing effectiveness by independent use sealing ring, and the wearing and tearing of sealing ring and heatproof all are the problems that is difficult to overcome that faces, and single sealing ring type sealing is not reach long-time stable sealing effectiveness.
Three, summary of the invention
Order of the present utility model is the defective that exists in the above-mentioned technology; the dynamic hermetically sealed continous way rotary furnace of the full atmosphere control of kind is provided; its sealing property can make furnace air content be issued to the index request of high sealing precision in the situation that protective gas is arranged; simultaneously can make the composition of pure protective gas reach degree of purity, realize the requirement of atmosphere protection completely.
The utility model is achieved like this: a kind of hermetically sealed continous way rotary furnace of realizing accurate atmosphere control, 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; Described 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;
The sealing of described stove tail 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 described stove head seal and the sealing of stove tail are tetrafluoro or rubber ring.Heating element heater in the described boiler tube 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.In the boiler tube metallic interior surface multiple tracks laths of metal is set, straight shape or waveform, be interrupted to arrange or continuously within the whole boiler tube, in the cylindrical shell rotation, material can be taken up along certain direction, 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, gas extraction system is set on the next door of burner feed pipe with metal tube.
Characteristics of the present utility model are: it comprises feed system, discharge system, revolution body of heater, stove head seal combination, stove tail seal combination, material enters the burner feed bin from burner, enter into along powder delivery system and heat among the boiler tube of rotary furnace and calcine, simultaneously to slowly operation of the other end (kiln tail), two endfeeds and the output section of the boiler tube of body of heater are actionless, boiler tube rotates, between the sound of burner and stove afterbody cooperates, sealing system is set and forms sealing, make material under atmosphere control, react heating, reach atmosphere control calcining.
The mode that adopts combined type packing_seal and compression ring sealing to match and use between the stationary part of burner, stove tail and the boiler tube of rotation reaches required static and dynamic sealing effect.Adopt the multiple tracks packing of different performance and temperature handling characteristics to be used in combination; form the sealed packing group; the protective gas loop is set between the packing group forms compression ring; in use; what the source of the gas in the compression ring adopted is the required inert gas of powder material reaction; this gas can make compression ring keep malleation; protective gas in the compression ring has reduced the environment temperature at packing position; the microgap that forms in the time of rubbing to packing again carries out the gas amount of filling out and replenishes; what packing was selected for use is the high-temperature resistant medium of difformity and performance; after being used in combination, its wear extent is very little, so can make the consumption of protective gas drop to very low degree.At the burner position, boiler tube and defeated material tailstock are fixed in the middle of the supporting seat, and tailstock is fixed in transfixion on the grate, and boiler tube rotates, and have so just formed relative sealing effectiveness between the sound and have also born to a certain degree local serviceability temperature simultaneously.Packing combination, protective gas and compression ring form combined seal structure jointly; Reduced the temperature that this position forms because of furnace heat transfer, reached the double effects that stops air to enter thereby can under the situation that the combination packing is worn, form compensation again.
The utility model compared with prior art, its advantage is:
1, realize accurate completely atmosphere control in the time of granular material being heated in rotary furnace, it is very low that the use degree of wear of its packing can be fallen, and what the consumption of its protective gas can be very is little;
2, its tubular type burner hearth can cooperate the form of combined labyrinth and carbon gland in this by Precision Machining to realize, can make the control accuracy of sealing effectiveness and furnace atmosphere reach the control index (containing accuracy of measurement less than lppm) of micro content;
3, gas exhaust piping is set,, realizes the volatilization gas in the revolution boiler tube and the final control of air pressure by pipeline being taken out the control of pressure and extraction flow;
4, the material in the equipment configuration, transmission are reasonable in design, and the equipment that can guarantee is long-term stability and the reliability of using under thermal environment.
Four, description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the partially sealed schematic diagram of the utility model boiler tube and burner.
Fig. 3 is the partially sealed schematic diagram of the utility model boiler tube and stove tail.
Wherein: first frame 11, furnace body frame 12, feeding device 13, elevated-temperature seal ring 14, elevated-temperature seal packing 15, air inlet pipe 16, high temperature packing 17 are supported in feed system 1, feed bin 2, supporting seat 3, gas extraction system 4, head seal 5, revolving body 6, return bend 7, tail seal 8, discharge system 9, discharge bucket 10, transmission.
Five, embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
With reference to accompanying drawing: a kind of hermetically sealed continous way rotary furnace of realizing accurate atmosphere control, it comprises feed system 1, feed hopper 2, supporting seat 3, gas extraction system 4, stove head seal 5, heating system 6, boiler tube 7, stove tail sealing 8, discharge system 9, discharge bucket 10, transmission bracing frame 11, body of heater tank bracket 12, feeding device 13 constitutes, the feed hopper 2 of feed system 1 is connected in feeding device 13, gas extraction system 4, stove head seal 5 is fixed on the transmission bracing frame 11, the afterbody of feeding device 13, the head of boiler tube 7 is fixed on the supporting seat 3, the afterbody of boiler tube 7 is fixed on transfixion on the body of heater tank bracket 12, boiler tube 7 rotatablely moves, heating system 6 is installed in the top of boiler tube 7, and stove tail sealing 8 is arranged between the afterbody and discharge bucket 10 of boiler tube 7;
Described stove head seal 5 is to be provided with one group of circular elevated-temperature seal ring 14, one group of circular elevated-temperature seal packing 15 and one group of air inlet pipe 16 at boiler tube 7 head outer tube walls to constitute, between elevated-temperature seal ring 14 and elevated-temperature seal packing 15, form air groove, the one group of air inlet pipe 16 that is located on the boiler tube 7 head outer tube walls links to each other with its air groove and the circular compression ring of composition, feed protective gas from oblique air inlet pipe 16 to compression ring when boiler tube rotates, protective gas and compression ring form combined seal structure jointly;
Described stove tail sealing 8 is to form to seal between boiler tube 7 and discharge bucket 10, at the afterbody outer wall of boiler tube 7 circular ferrule is set, and is provided with one group of elevated-temperature seal packing 17 at the circular metal barrel, is provided with compression ring 16 on one group of elevated-temperature seal packing 17.When boiler tube rotates, feed protective gas by pipeline, reducing the temperature that this position forms because of furnace heat transfer, reach the double effects that stops air to enter thereby under the situation that tetrafluoro or rubber ring are worn, form compensation again from the metallic cylinder outer wall.
Elevated-temperature seal ring 14 in described stove head seal 5 and the stove tail sealing 8 is tetrafluoro or rubber ring with elevated-temperature seal packing 15.
The heating element heater of described boiler tube 7 is METAL HEATING PROCESS silk or heating rod, adopt heater strip half inserted or whole inserted, heating element heater is uniformly distributed in the inboard of burner hearth, form the best circular furnace lining that adds thermal effect, in boiler tube 7 cylindrical shell metallic interior surface the multiple tracks laths of metal is set, straight shape or waveform are interrupted and are arranged or continuously within the whole return bend, in the cylindrical shell rotation, material can be taken up along certain direction, 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, can online or regularly gather furnace gas and gas componant is detected with metal tube.
Be on the next door of burner feed pipe gas extraction system 4 to be set, with the form of pipeline and control draft, the gas that can at any time material in the stove be produced in heating and calcination process discharges out of the furnace, and draft and discharge capacity are controlled.
Claims (5)
1. the hermetically sealed continous way rotary furnace that can realize the control of accurate atmosphere, it comprises feed system (1), feed hopper (2), supporting seat (3), gas extraction system (4), stove head seal (5), heating system (6), boiler tube (7), stove tail sealing (8), discharge system (9), discharge bucket (10), transmission bracing frame (11), body of heater tank bracket (12), feeding device (13) constitutes, it is characterized in that: the feed hopper (2) of feed system (1) is connected in feeding device (13), gas extraction system (4), stove head seal (5) is fixed on the transmission bracing frame (11), the afterbody of feeding device (13), the head of boiler tube (7) is fixed on the supporting seat (3), the afterbody of boiler tube (7) is fixed on body of heater tank bracket (12) and goes up transfixion, boiler tube (7) rotatablely moves, heating system (6) is installed in the top of boiler tube (7), and stove tail sealing (8) is arranged between the afterbody and discharge bucket (10) of boiler tube (7);
Described stove head seal (5) is to be provided with one group of circular elevated-temperature seal ring (14), one group of circular elevated-temperature seal packing (15) and one group of air inlet pipe (16) formation at boiler tube (7) head outer tube wall, form air flue between elevated-temperature seal ring (14) and elevated-temperature seal packing (15), the one group of air inlet pipe (16) that is located on boiler tube (7) the head outer tube wall is coupled;
Described stove tail sealing (8) is to form sealing between boiler tube (7) and discharge bucket (10), afterbody outer wall at boiler tube (7) is provided with circular ferrule, be provided with one group of elevated-temperature seal packing (17) at the circular metal barrel, on one group of elevated-temperature seal packing (17), be provided with compression ring (16).
Elevated-temperature seal ring (14) in described stove head seal (5) and the stove tail sealing (8) is tetrafluoro or rubber ring with elevated-temperature seal packing (15).
2. hermetically sealed continous way rotary furnace according to claim 1 is characterized in that 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.
3. hermetically sealed continous way rotary furnace according to claim 1, it is characterized in that boiler tube (7) metallic interior surface is provided with the multiple tracks laths of metal, straight shape or waveform, be interrupted to arrange or continuously within the whole boiler tube, in the cylindrical shell rotation, material can be taken up along certain direction, play the effect that stirs and vertically carry.
4. hermetically sealed continous way rotary furnace according to claim 1 is characterized in that at charging, discharge end the furnace gas acquisition system being set, and is connected in kiln head and afterbody with metal tube.
5. hermetically sealed continous way rotary furnace according to claim 1 is characterized in that being provided with on the next door of burner feed pipe gas extraction system (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720031819XU CN201032354Y (en) | 2007-05-18 | 2007-05-18 | Fully sealed continuous rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720031819XU CN201032354Y (en) | 2007-05-18 | 2007-05-18 | Fully sealed continuous rotary kiln |
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| Publication Number | Publication Date |
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| CN201032354Y true CN201032354Y (en) | 2008-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720031819XU Expired - Lifetime CN201032354Y (en) | 2007-05-18 | 2007-05-18 | Fully sealed continuous rotary kiln |
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| CN (1) | CN201032354Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102943A (en) * | 2009-12-15 | 2011-06-22 | 坡利西斯股份公司 | Industrial oven with a rotating pipe |
| CN102583364A (en) * | 2011-12-29 | 2012-07-18 | 淮北市森化碳吸附剂有限责任公司 | Air seal control device of horizontal rotary activation furnace |
| CN105855273A (en) * | 2016-05-27 | 2016-08-17 | 中国恩菲工程技术有限公司 | Continuous conveying device for heating material under protective atmosphere |
| CN107024114A (en) * | 2016-01-29 | 2017-08-08 | 湖南鼎玖能源环境科技有限公司 | A kind of swing type rotary furnace |
| CN111426184A (en) * | 2020-03-13 | 2020-07-17 | 晋江云智新材料科技有限公司 | Continuous electric heating rotary furnace and process for preparing lithium manganate by adopting same |
| CN111847846A (en) * | 2020-08-05 | 2020-10-30 | 延安城投光学材料有限公司 | Preparation method of large-size glass beads with refractive index of more than or equal to 1.7 and bead forming device thereof |
| CN112902655A (en) * | 2021-03-03 | 2021-06-04 | 刘志坚 | Process method for simultaneously firing multiple materials by adopting rotary kiln and spiral rotary kiln |
| CN113165031A (en) * | 2019-03-04 | 2021-07-23 | 川崎重工业株式会社 | Treatment system and treatment method for waste lithium ion battery |
| CN115388644A (en) * | 2022-08-29 | 2022-11-25 | 中国新型建材设计研究院有限公司 | Pressure rotary calcining furnace for carbonization processing |
-
2007
- 2007-05-18 CN CNU200720031819XU patent/CN201032354Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102943B (en) * | 2009-12-15 | 2014-11-26 | 坡利西斯股份公司 | Industrial oven with a rotating pipe |
| CN102102943A (en) * | 2009-12-15 | 2011-06-22 | 坡利西斯股份公司 | Industrial oven with a rotating pipe |
| CN102583364A (en) * | 2011-12-29 | 2012-07-18 | 淮北市森化碳吸附剂有限责任公司 | Air seal control device of horizontal rotary activation furnace |
| CN107024114B (en) * | 2016-01-29 | 2019-10-11 | 湖南鼎玖能源环境科技股份有限公司 | A kind of swing type rotary furnace |
| CN107024114A (en) * | 2016-01-29 | 2017-08-08 | 湖南鼎玖能源环境科技有限公司 | A kind of swing type rotary furnace |
| CN105855273A (en) * | 2016-05-27 | 2016-08-17 | 中国恩菲工程技术有限公司 | Continuous conveying device for heating material under protective atmosphere |
| CN105855273B (en) * | 2016-05-27 | 2018-09-14 | 中国恩菲工程技术有限公司 | Continuous conveying device for heating material under protective atmosphere |
| CN113165031A (en) * | 2019-03-04 | 2021-07-23 | 川崎重工业株式会社 | Treatment system and treatment method for waste lithium ion battery |
| CN111426184A (en) * | 2020-03-13 | 2020-07-17 | 晋江云智新材料科技有限公司 | Continuous electric heating rotary furnace and process for preparing lithium manganate by adopting same |
| CN111426184B (en) * | 2020-03-13 | 2022-03-25 | 福建省云智新材料科技有限公司 | Continuous electric heating rotary furnace and process for preparing lithium manganate by adopting same |
| CN111847846A (en) * | 2020-08-05 | 2020-10-30 | 延安城投光学材料有限公司 | Preparation method of large-size glass beads with refractive index of more than or equal to 1.7 and bead forming device thereof |
| CN112902655A (en) * | 2021-03-03 | 2021-06-04 | 刘志坚 | Process method for simultaneously firing multiple materials by adopting rotary kiln and spiral rotary kiln |
| CN112902655B (en) * | 2021-03-03 | 2023-02-24 | 刘志坚 | Process method for simultaneously firing multiple materials by adopting rotary kiln and spiral rotary kiln |
| CN115388644A (en) * | 2022-08-29 | 2022-11-25 | 中国新型建材设计研究院有限公司 | Pressure rotary calcining furnace for carbonization processing |
| CN115388644B (en) * | 2022-08-29 | 2024-03-08 | 中国新型建材设计研究院有限公司 | Pressure rotary calciner for carbonization processing |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080305 |