CN203007214U - Rotary heating device - Google Patents
Rotary heating device Download PDFInfo
- Publication number
- CN203007214U CN203007214U CN2012206894447U CN201220689444U CN203007214U CN 203007214 U CN203007214 U CN 203007214U CN 2012206894447 U CN2012206894447 U CN 2012206894447U CN 201220689444 U CN201220689444 U CN 201220689444U CN 203007214 U CN203007214 U CN 203007214U
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- Prior art keywords
- material bed
- rotating
- described rotating
- rotatable heater
- heater according
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model provides a rotary heating device. The rotary heating device comprises a shell, a rotary material bed and a supporting piece, wherein the shell is provided with an inner cavity; the rotary material bed is arranged in the inner cavity of the shell; at least one part of the supporting piece is arranged in the shell and rotatably provides support for the rotary material bed; and the supporting piece is provided with a cooling cavity for containing a cold medium. According to the rotary heating device disclosed by the utility model, the problems of the rotary material bed of the rotary heating device in the prior art that buckling and collapsing appear in a rotary process and the strength of a supporting structure in a high-temperature environment is not enough can be effectively solved.
Description
Technical field
The utility model relates to technical field of processing equipment, in particular to a kind of rotatable heater.
Background technology
Rotatable heater is for general under high-temperature pressure solid materials is carried out processing treatment, for example the pyrolysis of coal and drying.Drive unit pivots by driving discharge nozzle driven rotary pallet, make on rotary-tray material by with direct contact drying or the pyrolysis of hot gas.Due to the weight of rotary-tray all support be positioned on the discharge nozzle in axle center, when the inventory of support on rotary-tray is overweight, the situation of subsiding because of the excessive flexing of load-bearing will appear in discharge nozzle, therefore rotary-tray can be forced to stall, and because rotating material bed Working environment is generally high temperature, the problem of some supporting structures insufficient strength under hot environment has appearred.Given this, this rotary kiln has strict restriction to structure and the weight of rotary-tray, thereby the industry that has limited this rotary kiln is amplified and applies on a large scale.
The utility model content
The utility model aims to provide a kind of rotatable heater, rotating material bedly occurs in rotary course that flexing is subsided and the problem of supporting structure insufficient strength under hot environment with what solve rotatable heater in prior art.
To achieve these goals, the utility model provides a kind of rotatable heater, comprising: housing has inner chamber; Rotating material bed, be arranged in the inner chamber of housing; Strut member is at least partially disposed in described housing, is rotating described rotating material bed providing support, and described strut member is provided with to hold the cooling chamber of refrigerant.Preferably, described strut member is described rotating material bed providing support from the below of described rotating material bed circumferential edge.
Further, strut member comprises the fixed part that is arranged on fixed face and the rotating part that rotates relative to fixed part.
Further, the medial extremity of rotating part is connected with rotating material bed circumferential edge, outboard end extends to outside housing, the medial extremity of rotating part is positioned at the inside of housing, fixed part is fixedly connected on the outside surface of housing, the inside of rotating part is provided with cooling chamber, and cooling chamber is extended to the outboard end of rotating part by the medial extremity of rotating part.
Further, be provided with refrigerant entrance and the refrigerant exit that is communicated with cooling chamber on the outboard end of rotating part.
Further, the outboard end of rotating part is provided with the sealing member of revealing for the medium of avoiding cooling chamber.
Further, rotatable heater also comprises material blanking tube, and the axis of rotation of material blanking tube overlaps with rotating material bed axis of rotation, and the first end of material blanking tube is connected with rotating material bed feed opening, and the second end is arranged on hull outside.
Further, rotatable heater also comprises drive unit, and drive unit drives with material blanking tube by driving member and is connected, and material blanking tube is fixedly connected with rotating material bed, and drive unit drives rotating material bed rotation by driving material blanking tube.
Further, rotatable heater also comprises the stop means that the circumferential exterior surface with driving member connects, and stop means is used for the radial displacement of restricting rotation material bed.
Further, coordinate for pin tooth between drive unit and driving member.
Further, the material blanking tube free suspension is below rotating material bed, and strut member is connected with drive unit with driven rotary material bed and rotates.
Further, rotatable heater also comprises the ring-type erecting frame that is fixed on rotating material bed circumferential edge, and the ring-type erecting frame is arranged on rotating part.
Further, described strut member is some described rotating material bed belows that are distributed on, and is preferably the carrying roller of circumferential edge below.
Make rotating material bed stress point even by a plurality of strut members are set in rotating material bed circumferential edge, effectively like this reduced rotating material bed rocking in rotation process, avoid rotating material bed and flexing occurs because load-bearing is excessive and subside.Moreover the coolant media of the cooling chamber of flowing through can improve the heat-resisting ability of strut member, eliminates the thermal stresses that causes from rotating material bed radial swelling, has increased the intensity of strut member under hot environment.
Description of drawings
The Figure of description that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the embodiment of rotatable heater of the present utility model; And
Fig. 2 shows the A place enlarged diagram of the rotatable heater of Fig. 1.
Embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As depicted in figs. 1 and 2, the rotatable heater of the present embodiment comprises housing 10, rotating material bed 20, pan feeding section and strut member 30.Housing 10 has inner chamber and is provided with venting port, rotating material bed 20 are arranged in the inner chamber of housing 10, the hole that is provided with feed opening on rotating material bed 20 and passes through for hot gas, pan feeding section is arranged at rotating material bed 20 top, pan feeding section is used for material is sent to rotating material bed 20, strut member 30 is at least partially disposed in housing 10, to support and it contacts/is connected rotating material bed 20.Preferably, described strut member 30 is described rotating material bed 20 to provide support from the below of described rotating material bed 20 circumferential edge.The inside of strut member 30 has be used to the cooling chamber 33 that holds coolant media.Rotating material bed 20 height is descended to the center gradually by the edge, make the material that drops on rotating material bed 20 edges, move to gradually the feed opening at center from the edge under the effect of flow deflector and/or scraper plate, and be discharged to outside housing 10 by the material blanking tube 40 that is communicated with feed opening.
By strut member 30 being set below rotating material bed 20, be preferably the below of circumferential edge, make rotating material bed 20 stress point even, effectively like this reduced by rotating material bed 20 rocking in rotation process, and then avoid rotating material bed 20 the problem of flexing to occur because load-bearing is excessive, and be provided with cooling chamber 33 for cooled supports part 30 in the inside of strut member 30, reduced strut member 30 in the temperature of the part of housing 10 inside, guaranteed strut member 30 support strength, improved heat-resisting ability, can eliminate thermal stresses simultaneously.
In an embodiment of the present utility model, strut member 31 comprises and is arranged on a fixed part 31 on fixed face and the rotating rotating part 32 of relative fixed part 31.Preferably, described fixed face is the outside surface of housing 10 sidewalls.The medial extremity of rotating part 32 is positioned at the inside of housing 10, contacts with rotating material bed 20 circumferential edge, and its outboard end extends to outside housing 10.Fixed part 31 is fixedly connected on the outside surface of housing 10, and fixed part 31 is provided with holding tank, and rotating part 32 is arranged in holding tank rotationally.Preferably, rotating part 32 and the coaxial setting of fixed part 31 make rotating part 32 to rotate in fixed part 31.Preferably, be equipped with between the holding tank of fixed part 31 and rotating part 32 for the bearing 37 that seals.Be provided with the refrigerant entrance 34 and the refrigerant exit 35 that are communicated with cooling chamber 33 on fixed part 31, be communicated with by pipeline between refrigerant entrance 34 and cooling chamber 33.The outboard end of rotating part 32 is provided with the sealing member 36 of revealing for the medium of avoiding cooling chamber 33.
Rotatable heater also comprises material blanking tube 40 and ring-type erecting frame 21, and the axis of rotation of material blanking tube 40 overlaps with rotating material bed 20 axis of rotation, and the first end of material blanking tube 40 is connected with rotating material bed 20 feed opening, and the second end is arranged on housing 10 outsides.Ring-type erecting frame 21 is fixed on rotating material bed 20 circumferential edge, ring-type erecting frame 21 is arranged on rotating part 32, the ring-type erecting frame 21 of the present embodiment slides or rolls with the medial extremity of rotating part 32 and contacts, and can drive rotating part and rotate when rotating material bed 20 rotate.
Randomly, rotatable heater also comprises drive unit 50, drive unit 50 drives with material blanking tube 40 by driving member 70 and is connected, material blanking tube 40 is fixedly connected with rotating material bed 20, drive unit 50 drives rotating material bed 20 rotations by driving material blanking tube 40, preferably, coordinate for pin tooth between drive unit 50 and driving member 70.In the present embodiment, rotating material bed 20 by rotating after material blanking tube 40 drives.Need to prove, in other unshowned a kind of embodiment, drive unit can drive rotating part 32 by driving member and rotate, and then drive rotating material bed 20 rotations by rotating part 32, the internal surface of the outer tube wall of material blanking tube 40 and rotating material bed 20 feed openings movably contact or free suspension below rotating material bed 20, material blanking tube 40 does not rotate with rotating material bed 20 rotation.
Can be understood by above explanation, by strut member 30 for rotating material bed 20 provide support power in, can select to keep the support of central supported or close central position, correspondingly, activation point and mode are also more flexible, can according to actual working environment and requirement, select peripheral drive or centre-driven.Can understand as persons skilled in the art, the utility model is not intended to drive unit and the transmission mechanism that matches are done any restriction, any drive rotating material bed 20 vertically rotating device all can adopt, such as common pin tooth transmission, chain gear, hydraulic drive etc. is preferably hydraulic drive.
In an embodiment of the present utility model, strut member 30 is made of a plurality of carrying rollers that are distributed on rotating material bed 20 circumferential edge belows, adopts carrying roller to support the rotating material bed 20 online replacings that can realize single carrying roller, moreover, idler stand face annular diameter is larger, is conducive to equipment steady running.Yet, the structure of strut member 30 and installation site all are not limited to this, for example, strut member 30 can be for the cross section carriage of inverted L-shaped or I shape, carriage slides or rolls with rotating material bed 20 and contacts, and this carriage inside can arrange the cooling chamber that flows through for circulating refrigerant, to absorb the thermal stresses that expands and produce.
Randomly, rotatable heater also comprises the stop means 60 that matches with driving member 70 or strut member 30, is used for the radial displacement of restricting rotation material bed 20.Wherein stop means can select comparatively common cassette centering unit to carry out spacing.
Preferably, the coolant media that passes in cooling chamber 33 is water, also can select as required oil or air, junction between strut member 30 and housing 10 is provided with tightness system housing 10 is sealed, also be provided with elastic component between strut member 30 and rotating material bed 20, making rotating material bed 20 can be radially or expand a certain amount ofly axially in when revolution, and general elastic component is the spring that heat-stable material is made.
Rotating material bed under the effect of circumferential anchorage force, stability, operability and resistance to capsizing all are improved, through evidence, the utility model rotatable heater can be amplified to the brown coal pyrolysis oven of 3500 tons/day of day outputs, the pan feeding particle diameter is 2-60mm, in pyrolysis oven, temperature is controlled at 500-650 ℃, pan feeding density 600-710kg/m
3, coal is 15-70min in the residence time on rotating material bed.Preferably, rotating material bed height is 280-460mm, and external diameter is 22m, and the material blanking tube internal diameter is 1.5-3.5m, and rotating material bed speed of rotation is between 0.05-0.35r/min.Pyrolysis gained semi-coke yield 66.35 % by weight, tar yield 7.8 % by weight, basic with brown coal pyrolysis yield is fair on a small scale.Hence one can see that, the utility model rotatable heater can directly apply to drying and the pyrolysis of industrially scalable, solved new energy development and applied technical field for a long time, for example the technical bottleneck of brown coal, biomass upgrading, be conducive to the promotion and application of new forms of energy and clean energy technology.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (11)
1. a rotatable heater, is characterized in that, comprising:
Housing has inner chamber;
Rotating material bed, be arranged in the inner chamber of described housing;
Strut member is at least partially disposed in described housing, is rotating described rotating material bed providing support, and described strut member is provided with to hold the cooling chamber of refrigerant.
2. rotatable heater according to claim 1, is characterized in that, described strut member is described rotating material bed providing support from the below of described rotating material bed circumferential edge.
3. rotatable heater according to claim 2, is characterized in that, described strut member comprises the fixed part that is arranged on fixed face and the rotating part that rotates relative to described fixed part.
4. rotatable heater according to claim 3, it is characterized in that, the medial extremity of described rotating part is connected with described rotating material bed circumferential edge, outboard end extends to outside described housing, the medial extremity of described rotating part is positioned at the inside of described housing, described fixed part is fixedly connected on the outside surface of described housing, the inside of described rotating part is provided with described cooling chamber, and described cooling chamber is extended to the outboard end of described rotating part by the medial extremity of described rotating part.
5. rotatable heater according to claim 3, is characterized in that, is provided with the refrigerant entrance and the refrigerant exit that are communicated with described cooling chamber on the outboard end of described rotating part.
6. rotatable heater according to claim 1, is characterized in that, described strut member comprises the fixed part that is arranged on fixed face and the rotating part that rotates relative to described fixed part.
7. rotatable heater according to claim 6, is characterized in that, also comprises the ring-type erecting frame that is fixed on described rotating material bed circumferential edge, and described ring-type erecting frame is arranged on described rotating part.
8. rotatable heater according to claim 1, is characterized in that, described strut member is some carrying rollers that are distributed on described rotating material bed below.
9. any one described rotatable heater according to claim 1-8, it is characterized in that, also comprise material blanking tube, the axis of rotation of described material blanking tube overlaps with described rotating material bed axis of rotation, the first end of described material blanking tube is connected with described rotating material bed feed opening, and the second end is arranged on described hull outside.
10. rotatable heater according to claim 9, it is characterized in that, also comprise drive unit, described drive unit drives with described material blanking tube by driving member and is connected, described material blanking tube and described rotating material bed being fixedly connected with, described drive unit drives described rotating material bed rotation by driving described material blanking tube.
11. rotatable heater according to claim 9 is characterized in that, described material blanking tube free suspension described rotating material bed below, described strut member is connected to drive described rotating material bed rotation with drive unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206894447U CN203007214U (en) | 2012-10-19 | 2012-12-12 | Rotary heating device |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220539033 | 2012-10-19 | ||
| CN201210401512.X | 2012-10-19 | ||
| CN201210401512 | 2012-10-19 | ||
| CN201220539033.X | 2012-10-19 | ||
| CN2012206894447U CN203007214U (en) | 2012-10-19 | 2012-12-12 | Rotary heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203007214U true CN203007214U (en) | 2013-06-19 |
Family
ID=48598827
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210535233.2A Active CN103773399B (en) | 2012-10-19 | 2012-12-12 | Rotatable heater |
| CN2012206894447U Withdrawn - After Issue CN203007214U (en) | 2012-10-19 | 2012-12-12 | Rotary heating device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210535233.2A Active CN103773399B (en) | 2012-10-19 | 2012-12-12 | Rotatable heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103773399B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103773399A (en) * | 2012-10-19 | 2014-05-07 | 神华集团有限责任公司 | Rotary heating device |
| CN104776702A (en) * | 2014-01-10 | 2015-07-15 | 神华集团有限责任公司 | Dryer or pyrolyzer |
| CN104804751A (en) * | 2014-01-27 | 2015-07-29 | 神华集团有限责任公司 | Soot blowing device for rotary tray, and heat reactor thereof |
| CN104776702B (en) * | 2014-01-10 | 2016-11-30 | 神华集团有限责任公司 | Exsiccator or pyrolysis apparatus |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980923B (en) * | 2014-05-27 | 2016-03-23 | 湖南华银能源技术有限公司 | A kind of coal purification rotary kiln eliminating thermal stresses |
| CN110153188A (en) * | 2018-02-14 | 2019-08-23 | 宣城市金泓钢管科技有限公司 | A kind of subsection heating device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09217986A (en) * | 1996-02-09 | 1997-08-19 | Sony Disc Technol:Kk | Drying device and drying method |
| CN201206931Y (en) * | 2008-08-28 | 2009-03-11 | 铁道部运输局 | Outboard bearing type high temperature resistant rotating toaster |
| CN102382664B (en) * | 2010-08-30 | 2014-05-28 | 湖南华银能源技术有限公司 | Step purification quality-improving machining equipment of low rank coal |
| CN102636009A (en) * | 2012-04-30 | 2012-08-15 | 江都市显业集团有限公司 | Tower type rotary drying furnace |
| CN103773399B (en) * | 2012-10-19 | 2016-01-27 | 神华集团有限责任公司 | Rotatable heater |
-
2012
- 2012-12-12 CN CN201210535233.2A patent/CN103773399B/en active Active
- 2012-12-12 CN CN2012206894447U patent/CN203007214U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103773399A (en) * | 2012-10-19 | 2014-05-07 | 神华集团有限责任公司 | Rotary heating device |
| CN103773399B (en) * | 2012-10-19 | 2016-01-27 | 神华集团有限责任公司 | Rotatable heater |
| CN104776702A (en) * | 2014-01-10 | 2015-07-15 | 神华集团有限责任公司 | Dryer or pyrolyzer |
| CN104776702B (en) * | 2014-01-10 | 2016-11-30 | 神华集团有限责任公司 | Exsiccator or pyrolysis apparatus |
| CN104804751A (en) * | 2014-01-27 | 2015-07-29 | 神华集团有限责任公司 | Soot blowing device for rotary tray, and heat reactor thereof |
| CN104804751B (en) * | 2014-01-27 | 2017-04-26 | 神华集团有限责任公司 | Soot blowing device for rotary tray, and heat reactor thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103773399B (en) | 2016-01-27 |
| CN103773399A (en) | 2014-05-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20160127 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |