CN201396773Y - Feeding machine - Google Patents
Feeding machine Download PDFInfo
- Publication number
- CN201396773Y CN201396773Y CN2009200710151U CN200920071015U CN201396773Y CN 201396773 Y CN201396773 Y CN 201396773Y CN 2009200710151 U CN2009200710151 U CN 2009200710151U CN 200920071015 U CN200920071015 U CN 200920071015U CN 201396773 Y CN201396773 Y CN 201396773Y
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- spiral
- batcher
- shell
- discharging mechanism
- utility
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Abstract
The utility model provides a feeding machine used for conveying biomass fuel in a power plant, which comprises a charging mechanism, a discharging mechanism and a conveying mechanism. The conveying mechanism comprises a shell, at least two helixes and a plurality of motors. The front and rear ends of the shell are respectively communicated with the charging mechanism and the discharging mechanism,and at least two round grooves are arranged at the bottom part of the shell. The helixes are arranged in the round grooves of the shell, each helix is corresponding to each round groove, the two endsof each helix are respectively extended to the charging mechanism and the discharging mechanism, and the motors are connected with one end of the helixes. The feeding machine has the advantage of large conveying capacity.
Description
Technical field
The utility model relates to a kind of conveying device, particularly is used to carry a kind of batcher of biomass fuel in the power plant.
Background technology
As everyone knows, human existence and development be unable to do without the energy.Along with the rapid growth of world energy sources demand, be that the conventional energy resource of representative will finally be exploited totally with coal, oil, natural gas, use these fossil fuels can cause a series of serious environmental pollution problems in a large number simultaneously.Therefore, improving utilization efficiency of energy energetically, with the low pollution of new and high technology exploitation, reproducible new forms of energy, progressively replace non-renewable energy resources such as oil, coal, natural gas, is the important channel that solves energy crisis and environmental problem.In numerous regenerative resources, biomass energy has great potentiality to be exploited with abundant, the easy to clean and reproducible characteristics of its resource reserve.
Biomass energy is meant that green plants is the energy that chemical energy is stored in living beings inside by chlorophyll with conversion of solar energy, and its fuel source mainly is divided into agricultural wastes (as agricultural crop straw, branch etc.), forestry residue (as fuel wood, energy-source plant etc.) and urban industry discarded object (as bird ight soil etc.).Biomass fuel has the following advantages:
(1), biomass fuel is used in the power plant, and replaces fuel such as coal and generates electricity, and under the prerequisite that obtains identical electric energy, can also reduce the discharge capacity of coal-fired unit like this, helps to alleviate greenhouse effects.
(2), the combustion product of living beings is of many uses, lime-ash can be fully utilized.
(3), biomass fuel can with mineral matter fuel mix burning, promptly can reduce operating cost, improve efficiency of combustion, can reduce SO again
x, NO
xEtc. discharge of harmful gases concentration.
(4), adopt extensive minimizing, innoxious, recycling that biomass combustion equipment can the various biomass resources of prestissimo ground realization, and cost is lower, thereby the biomass fuel burning technology has good and economic and potentiality to be exploited.
Biomass fuel can be used in generating and heat supply in the power plant, and the main fuel of present biomass electric power plant generally has two kinds, and a kind of is the cotton bavin of grey stalk, and another kind is the cornstalk of yellow stalk.Auxiliary fuel is other fuel such as rice husk, bark, peanut shell.
Because biomass fuel contains shaft, therefore before burning, need earlier fuel to be cut, and then be transferred to combustion apparatus by batcher.Existing batcher generally adopts the spiral transmission manner, sees also Fig. 1, and it is existing a kind of batcher conveying pipeline schematic diagram.Be provided with an axle 103 in housing 101, this axle 103 is connected to motor 105, and motor 105 drives axle 103 and rotates.Spiral 107 around and be fixed on the axle 103.
Fig. 2 is the surface chart of AA ' position among Fig. 1, and when defeated material, fuel is injected between the spiral 107, and axle 103 is rotated and can be driven spiral 107 rotations, by the rotation of spiral 107 fuel progressively is transported to the other end of conveying pipeline then.
But existing batcher exists some problems when the transmission that applies to biomass fuel, now be summarized as follows:
1, existing batcher generally can only transmit the following material of particle length 100mm, might cause then that batcher gets stuck, the situation of putty if particle length exceeds 100mm.But contain stalk shape things such as cotton bavin, cornstalk in the biomass fuel, if cut the inhomogeneous obstruction in the batcher that then is easy to cause early stage, cause failure of fuel, the load and the safe operation of power plant have directly been influenced, not only influence the generating efficiency of power plant, also will consume great amount of manpower and the required cost of maintenance batcher.
2, the conveying capacity of existing batcher depends on the diameter and the rotating speed size thereof of spiral, and motor 7.5kw, the rotating speed of 400v, spiral are at the batcher of 2.3-23r/min, and the average fan-out capability of its fuel is 20m
3/ h.For large-scale biomass fermentation power plant, the batcher of this fan-out capability can not satisfy the demand of fuel delivery, has limited the generating capacity of power plant.
The utility model content
The purpose of this utility model provides a kind of batcher, in order to solve existing batcher transport capacity little, get stuck and the problem that can't carry biomass fuel efficiently easily.
The utility model proposes a kind of batcher, be used for the conveying of power plant biomass fuel, it comprises feeding mechanism, discharging mechanism and transport sector.Transport sector comprises shell, at least two spirals and some motors again.The rear and front end of shell is connected with feeding mechanism and discharging mechanism respectively, and its bottom is provided with at least two circular grooves.Spiral is arranged in the circular groove of shell, and the corresponding circular groove of spiral, and the two ends of spiral extend to this feeding mechanism and this discharging mechanism respectively.Motor links to each other with an end of spiral.
According to batcher described in the utility model, spiral is not for there being the axle spiral.
According to batcher described in the utility model, it also comprises some motor reducers, and it is arranged between motor and the spiral.
According to batcher described in the utility model, it also comprises some shaft couplings, and it is arranged between motor and the spiral.
According to batcher described in the utility model, feeding mechanism comprises buffering feed bin and stock stop.The buffering feed bin is provided with charging aperture, and it is communicated with shell.Stock stop is used to prevent putty, and it is arranged on the buffering feed bin.
According to batcher described in the utility model, discharging mechanism comprises bulk cargo device and discharging opening.The bulk cargo device is used to prevent that discharging mechanism from stopping up, and its connection also is fixed on an end of spiral.Discharging opening is arranged on an end of shell, and is communicated with shell.
According to batcher described in the utility model, it also comprises the some bearings that are used to make spiral maintenance horizontal positioned, and it is separately positioned on the two ends of spiral.
According to batcher described in the utility model, it also comprises material jam alarm, and it is arranged on the front end of shell.
The beneficial effects of the utility model are:
1, batcher of the present utility model adopts a nothing axle spiral to replace traditional adhesive tape type batcher, the advantage that has not only possessed big conveying capacity, but also can carry the bulky grain biomass fuel, the characteristics that biomass fuel proportion is little, toughness is big have been overcome, greatly reduce the occurrence probability that batcher gets stuck, also reduced the cost of maintenance simultaneously.In addition, again because spiral of the present utility model can not have axle, so its also have easy to maintenance, pollute less, noise is little, the advantage of high efficiency.
2, batcher of the present utility model is provided with stock stop and bulk cargo device respectively at feeding mechanism and discharging mechanism place, make get stuck and the putty probability reduce greatly, further guaranteed the safe and stable operation of unit.
Certainly, implement arbitrary product of the present utility model and must not necessarily need to reach simultaneously above-described all advantages.
Description of drawings
Fig. 1 is existing a kind of batcher conveying pipeline schematic diagram;
Fig. 2 is the surface chart of AA ' position among Fig. 1;
Fig. 3 faces structure chart for a kind of batcher of the utility model embodiment;
Fig. 4 is a kind of batcher plan structure figure of the utility model embodiment;
Fig. 5 is the sectional view of BB ' position among Fig. 4.
The specific embodiment
Below in conjunction with accompanying drawing, specify the utility model.
See also Fig. 3, it faces structure chart for a kind of batcher of the utility model embodiment.Batcher of the present utility model is used for transmitting the required biomass fuel of generating in the power plant, and it comprises feeding mechanism, discharging mechanism and transport sector.Buffering feed bin 303, stock stop 305 have been formed feeding mechanism.Shell 307, spiral 309 and motor 311 have constituted transport sector.Bulk cargo device 313 has constituted discharging mechanism with discharging opening 315.Wherein, the front end of shell 307 is communicated with buffering feed bin 303, and the rear end is connected with discharging opening 315.Spiral 309 is arranged in the shell 307, and the one end links to each other with motor 311 by shaft coupling 317, and the other end extends to the position of discharging opening 315, and links to each other with bulk cargo device 313.In the present embodiment, spiral 309 is not have the axle spiral.
During work, motor 311 drives spirals 309 and rotates, and between motor 311 and the spiral 309 velocity of rotation that motor reducer 319 is controlled spiral 309 can be set, and at the two ends of spiral 309 bearing 321 is set and makes spiral 309 maintenance levels.
Biomass fuel adds the buffering feed bin 303 from the upper end charging aperture 323 of buffering feed bin 303, enter in the shell by buffering feed bin 303 lower ends and shell 307 connected components then, then utilize spiral 309 rotations thrust forward biomass fuel to be transported to the position of rear end discharging opening 315 from the front end of shell.Bulk cargo device 313 can rotate synchronously with spiral 309, and the biomass fuel that spiral 309 transports is squeezed in the discharging opening 315, thereby can prevent from the biomass fuel to stop up because of shaft is long discharging opening 315.If, then be arranged on the material jam alarm of shell front end (being free end) in case putty takes place
Just can give the alarm immediately.
In addition, stock stop 305 is arranged on the buffering feed bin 303, it can change the space of cushioning in the feed bin 303 by the front and back activity, when buffering feed bin 303 has been piled up more biomass fuel, can increase the space in the buffering feed bin 303, accelerate the falling speed of biomass fuel and make in the buffering feed bin 303 loosely gradually, prevent to cushion the purpose that feed bin 303 stops up thereby reach.
See also Fig. 4, it is a kind of batcher plan structure figure of the utility model embodiment.In the present embodiment, be provided with two spirals 309 in the shell 307, every spiral 309 is connected to a motor 311, and two spirals 309 rotate simultaneously and carry biomass fuel during work.But present embodiment does not limit the utility model with this, and the quantity of spiral 309 also can be three, four etc., and it can be provided with according to the actual requirements.
See also Fig. 5, it is the sectional view of BB ' position among Fig. 4.The bottom of shell 307 is provided with two circular grooves 503, is used for holding two spirals 309 respectively.Than single-screw mode of movement, when present embodiment adopts two spirals 309 to carry biomass fuel, not only can be between the adjacent blades of spiral 309 transfer the fuel, can also utilize two spaces between the spiral 309 to come transfer the fuel (being dash area among Fig. 5).Therefore adopt the mode of two spirals 309 can make batcher obtain bigger conveying capacity, after tested, the fuel of carrying between spiral can account for 30% of whole batcher conveying capacity, that is to say, adopt double-helical batcher than the conveying capacity that adopts single-screw two batchers and can have more 30%.
In Fig. 5, what the spiral 309 of present embodiment adopted is no axial screw.Than the transmission spiral of existing batcher, the no axle spiral of present embodiment can hold more fuel between the spiral adjacent blades, thereby can improve the conveying capacity of batcher when transfer the fuel.And, owing to do not have axle in the middle of the spiral, so can hold the fuel particle of whole diameter length between the blade, thus can make batcher carry the fuel of larger particle, reduced the possibility that batcher gets stuck.
With respect to prior art, the utlity model has following advantage:
1, batcher of the present utility model adopts multispiral defeated material mode, can utilize the space transfer the fuel extraly between the spiral, has improved the conveying capacity of batcher greatly, can adapt to the biomass fuel delivery requirements of some big power stations.
2, batcher of the present utility model adopts a nothing axle spiral to replace traditional adhesive tape type batcher, the advantage that has not only possessed big conveying capacity, but also can carry the bulky grain biomass fuel, the characteristics that biomass fuel proportion is little, toughness is big have been overcome, greatly reduce the occurrence probability that batcher gets stuck, also reduced the cost of maintenance simultaneously.In addition, again because spiral of the present utility model can not have axle, so its also have easy to maintenance, pollute less, noise is little, the advantage of high efficiency.
3, batcher of the present utility model is provided with stock stop and bulk cargo device respectively at feeding mechanism and discharging mechanism place, make get stuck and the putty probability reduce greatly, further guaranteed the safe and stable operation of unit.
4, batcher of the present utility model has prevented buffering feed bin buildup problem because double-spiral structure is thanksed for your hospitality action usefulness to the buffering feed bin.
More than disclosed only be several specific embodiment of the present utility model, but the utility model is not limited thereto, any those skilled in the art can think variation, all should drop in the protection domain of the present utility model.
Claims (8)
1, a kind of batcher is used for the conveying of power plant biomass fuel, and it comprises a feeding mechanism, a discharging mechanism and a transport sector, it is characterized in that, this transport sector comprises again:
One shell, its rear and front end is connected with this feeding mechanism and this discharging mechanism respectively, and its bottom is provided with at least two circular grooves;
Article at least two, spiral, it is arranged in the circular groove of this shell, and the corresponding circular groove of spiral, and the two ends of those spirals extend to this feeding mechanism and this discharging mechanism respectively;
Some motors link to each other with an end of those spirals.
2, batcher as claimed in claim 1 is characterized in that, this spiral is not for there being the axle spiral.
3, batcher as claimed in claim 1 is characterized in that, it also comprises some motor reducers, and it is arranged between this motor and this spiral.
4, batcher as claimed in claim 1 is characterized in that, it also comprises some shaft couplings, and it is arranged between this motor and this spiral.
5, batcher as claimed in claim 1 is characterized in that, this feeding mechanism comprises:
One buffering feed bin, it is provided with a charging aperture, and it is communicated with this shell;
Be used to prevent a stock stop of putty, it is arranged on this buffering feed bin.
6, batcher as claimed in claim 1 is characterized in that, this discharging mechanism comprises:
Be used to prevent the bulk cargo device that this discharging mechanism stops up, its connection also is fixed on an end of this spiral;
One discharging opening, it is arranged on an end of this shell, and is communicated with this shell.
7, batcher as claimed in claim 1 is characterized in that, it also comprises the some bearings that are used to make spiral maintenance horizontal positioned, and it is separately positioned on the two ends of this spiral.
8, batcher as claimed in claim 1 is characterized in that, it also comprises some material jam alarms, and it is arranged on this shell front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200710151U CN201396773Y (en) | 2009-04-23 | 2009-04-23 | Feeding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200710151U CN201396773Y (en) | 2009-04-23 | 2009-04-23 | Feeding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201396773Y true CN201396773Y (en) | 2010-02-03 |
Family
ID=41619288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200710151U Expired - Fee Related CN201396773Y (en) | 2009-04-23 | 2009-04-23 | Feeding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201396773Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252337A (en) * | 2011-05-19 | 2011-11-23 | 广州迪森热能技术股份有限公司 | Biomass shaftless spiral feeder |
-
2009
- 2009-04-23 CN CN2009200710151U patent/CN201396773Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252337A (en) * | 2011-05-19 | 2011-11-23 | 广州迪森热能技术股份有限公司 | Biomass shaftless spiral feeder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100203 Termination date: 20110423 |