CN201081239Y - Feeding device for combustion and gasification of biomass agri-fiber waste - Google Patents
Feeding device for combustion and gasification of biomass agri-fiber waste Download PDFInfo
- Publication number
- CN201081239Y CN201081239Y CNU2007200355292U CN200720035529U CN201081239Y CN 201081239 Y CN201081239 Y CN 201081239Y CN U2007200355292 U CNU2007200355292 U CN U2007200355292U CN 200720035529 U CN200720035529 U CN 200720035529U CN 201081239 Y CN201081239 Y CN 201081239Y
- Authority
- CN
- China
- Prior art keywords
- feed
- blade
- gasification
- spiral
- biomass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides a feeder for combustion and gasification of biomass straw which adopts a differential speed variable pitch double helix and realizes the continuous and stable feeding of the biomass straw; the utility model is particularly suitable for the strip biomass fuel. The feeder mainly comprises a bunker(5), a feeding helix(8), an intermediate hopper(11) and a conveying helix(14), wherein the bunker(5) which is arranged on the highest position has the lower opening connected with the upper side of the middle part of feeding helix(8); a material-falling port(9) arranged on the lower side of the middle part of the feeding helix(8) is connected with an upper opening of the intermediate hopper(11) which has the lower opening connected with the upper side of the conveying helix(14). The utility model conveys the biomass straws with the length between 10 to 200mm which needed to undergo the chopping pretreatment to the bunker(5) and feeds by the double helix feeder(8) arranged on the bottom of the utility model, and then the biomass straws are conveyed to material input equipments for the combustion and the gasification of the biomass through the double helix conveyer(14) arranged on the bottom part of the hopper.
Description
Technical field
The utility model relates to the feeding device of a kind of biological matter straw burning, gasification, belongs to the biomass straw processing technology field.
Technical background
Biomass energy has recyclability, low contaminative, has become the important component part of regenerative resource.Clean, efficiently to utilize biomass energy be important energy strategy in the world.At present, the burning of biomass straw and gasification are two big important technologies of biomass utilization, and this two big technology can low-qualityly can be converted into high-quality energy with this, has remarkable economical, society and environmental benefit.
In the commercial Application of these two big technology, continous-stable is reinforced most important.Present domestic and international existing charging process and device are as advancing charging gear, helixes feed equipment, to the dimensional requirement strictness of material, only at narrow-size distribution, single scale, small particle diameter granular material, as paddy, wheat, corn etc.; Even adopt such material, problems such as feed bin " bridging " and " knot arch " and feeding device feed be not smooth also appear in actual motion often.
Biomass straw as straw, wheat straw, cotton stalk, cornstalk and branch, belongs to the strip biomass fuel.In commercial Application, in order to reduce the power consumption of fuel crushing equipment, increase economic efficiency, generally stalk is not broken into granularly, but shred processing, be chopped into the strip of 10～200mm by shredding machine.Yet the strip-shaped materials after chopping is handled has characteristics such as bulk density is lower, not of uniform size, complex-shaped, interlaced, occurs " bridging " and " knot arch " phenomenon in the feed bin of being everlasting, and can't enter charging gear smoothly; In addition, when the existing conventional charging gear is carried the biomass straw of the type, problems such as obstruction even damage equipment can appear.
How realizing the reinforced of strip biomass straw, is the difficult problem that numerous in the world biomass energy development and use research institutions and enterprise all face.Current, the countries in the world country that particularly fossil resource is in short supply seeks new thinking one after another, exploitation possesses continuously, biomass straw stable and the safe handling ability feeds in raw material technology and device.
Summary of the invention
Technical problem: the utility model provides the feeding device of a kind of biological matter straw burning, gasification at the difficulty that biomass straw feeds in raw material in burning, gasification, and this device and method has continuously, effect stable and that feed in raw material safely.
Technical scheme: the utility model provides the feeding device of a kind of biological matter straw burning, gasification.Thinking of the present invention is: adopt differential varying pitch double helix charging process and device, realize that biomass straw is continuous, stable and safety is reinforced.Below with reference to Fig. 1～Fig. 4, specify the specific implementation of technology path of the present invention and target.The feeding device of biological matter straw burning of the present utility model, gasification mainly comprises feed bin, feed spiral, middle hopper, defeated material spiral; Wherein feed bin is positioned at the top, and the under shed of feed bin is connected with the upside at the middle part of feed spiral, and the blanking port of feed spiral middle part downside connects the upper shed of middle hopper, and the under shed of middle hopper is connected with the upside of defeated material spiral.Described feed bin is the tower shape, and front and rear panel is vertical, and side plate tilts, and the inclination angle is 5～10 °; The top is provided with television monitoring device and high-pressure sprayer; On side plate, be provided with the one-level material inlet.In the described double-spiral feeder, be arranged in juxtaposition by two screw rods, spacing is 10～25mm, and the differential degree with 10～50% is by sideway swivel in the lateral; The feed helical blade is opposite in blanking port both sides symmetric arrangement and direction of rotation, and blade diameter is D, and pitch is L, and the number of blade is no less than 1.5 pitches.Described middle hopper is the tower shape, and front and rear panel is vertical, and the side plate inclination angle is 5～8 °; Apart from upper opening is that 0.2～0.5 times middle hopper height place is provided with the hydraulic pressure stop valve.Two screw rods in the described DWG are arranged in juxtaposition, and spacing is 10～25mm, and the differential degree with 10～50% is by sideway swivel in the lateral; Defeated material helical blade diameter is 1.1D～1.3D, and the number of blade is no less than 3 pitches, and the pitch of first blade is L, and the pitch of back blade is successively decreased with 0.05L～0.1L, and wherein D is a feed helical blade diameter, and L is the pitch of feed helical blade.
Beneficial effect: device of the present utility model has following characteristic and advantage:
1, differential varying pitch double helix biomass straw charging process of the present invention and device, the continous-stable that can be used for biomass straw is reinforced, especially is fit to the strip biomass fuel.
2, the feed bin of pagoda shape and industrial television monitoring device and high-pressure sprayer are set can prevent effectively that material from forming bad phenomenon such as " bridging ", " knot arch " in feed bin, and in time eliminate safe hidden trouble.
3, batcher adopts the differential that is arranged in juxtaposition to changeing double helix, and the direction of rotation of blade is opposite, destroy the power of clamping down on mutually between the material effectively, make material have stronger flowability, prevent that material from forming bad phenomenon such as " bridging ", " knot arch " in feed bin; And the moment of torsion of generation is cancelled out each other, effectively prevented distortion of spiral helical axis even damage.
4, conveyer adopts the varying pitch that is arranged in juxtaposition to changeing double helix, and pitch is successively decreased successively, and the power that material is increased progressively in course of conveying makes material press tighter and tighter, realizes the self sealss of material in course of conveying.
5, between screw(-type) feeder and conveying worm, middle hopper is set, and is equipped with the hydraulic pressure stop valve, but the conveying of fast shut-off material in case of emergency guarantees security of system.
6, the size adaptability to biomass straw fuel is good, and Size Distribution is wide, is 0～200mm, has saved the power consumption of biomass fuel fragmentation greatly.
7, whole charging gear is a Seal Design, and material loss is few in the conveying, and environmental pollution is little.
8, whole charging gear compact conformation is invested little.
Description of drawings
Fig. 1 is the feeding device front view of biological matter straw burning of the present utility model, gasification, wherein has: television monitoring device 1, high-pressure sprayer 2, material inlet 3, side plate 4, feed bin 5, feed screw motor 6, feed spiral deceleration commutator 7, feed spiral 8, blanking port 9, hydraulic pressure stop valve 10, middle hopper 11, defeated material screw motor 12, defeated material spiral deceleration commutator 13, defeated material spiral 14.
Fig. 2 is the feeding device vertical view of biological matter straw burning of the present utility model, gasification, wherein has: feed screw motor 6, feed spiral deceleration commutator 7, feed spiral 8, middle hopper 11, defeated material screw motor 12, defeated material spiral deceleration commutator 13, defeated material spiral 14.
Fig. 3 is the feed spiral figure of the feeding device of biological matter straw burning of the present utility model, gasification, wherein has: feed screw motor 6, feed spiral deceleration commutator 7, feed helical axis 15, feed helical blade 16.The helical blade diameter is D, and the pitch of blade is L, and the helical axis diameter is d.
Fig. 4 is the defeated material spiral figure of the feeding device of biological matter straw burning of the present utility model, gasification, wherein has: defeated material screw motor 12, defeated material spiral deceleration commutator 13, defeated material helical axis 17, defeated material helical blade 18.
The specific embodiment
The reinforced device that reaches of the present utility model mainly is made up of feed bin 5, double-spiral feeder 8, middle hopper 11 and DWG 14.Shred the biomass straw of pretreated 10～200mm and send into feed bin 5, double-spiral feeder 8 feeds by its bottom, fall into middle hopper 11, the DWG 14 by feed hopper bottom delivers into biomass straw materials equipment such as biomass combustion, gasification again.
Be provided with double-spiral feeder 8 in the bottom of feed bin 5, form by feed motor 6, feed speed change commutator 7.Feed motor 6 provides driving force, and directly the spiral that drives rotates with high rotational speed; Feed speed change commutator 7 is realized the speed change of spiral and the differential subtend rotation of two spirals, spiral after the speed change with 10～50% differential degree by sideway swivel in the lateral, make the stalk material constantly be involved in the spiral, and the differential gearing by spiral, destroy the power of clamping down on mutually between the material, make material have stronger flowability, can prevent effectively that also material from forming phenomenons such as " bridging ", " knot arch ".8 liang of bar feeds of double-spiral feeder helical axis 15 is arranged in juxtaposition, and spacing is 10～25mm; Every bar feed helical axis 15 helical blades 16 diameters are D, the pitch of blade is L, in blanking port 9 both sides symmetric arrangement, the number of every limit blade is no less than 1.5 pitches, the blade direction of rotation is opposite, the moment of torsion of generation is cancelled out each other, be out of shape even damage to prevent feed helical axis 15, and the material of realization both sides is simultaneously to intermediate transport.
Be provided with DWG 14 in middle hopper 11 bottoms, form by defeated material motor 12, defeated material speed change commutator 13.Two spirals of conveyer also are arranged in juxtaposition with 10～25mm spacing, relatively rotation; Defeated material helical blade 18 is bigger than feed helical blade 16, and diameter is 1.1～1.3D, can finish by DWG 14 timely conveyings to guarantee the material that feed spiral 8 is carried; The pitch of first blade of DWG 14 is L, the pitch of back blade is successively decreased with 0.05～0.1L, the number of blade is no less than 3 pitches, the mass transport amount is successively decreased on the way, the material of back is pressed more tightly, play a reversed role with the flue gas that prevents materials equipment such as combustion furnace, gasification furnace, guarantee safety.
Followingly describe the most preferred embodiment of novel differential varying pitch of the present invention in detail to helix biomass stalk charging (feeding) equipment with reference to Fig. 1.
The material that this embodiment handles is a cotton stalk, is of a size of 0～200mm after the preliminary treatment, and the storing amount of feed bin is 10 tons, and conveying capacity is 5 tons/hour.Biomass straw material after the chopping by feeding system, is sent into feed bin 5 from material inlet 3, is deposited in naturally in the feed bin 5.Feed bin 5 upper dimension are 1m * 0.6m, and bottom size is 1m * 2.4m, high 10m, and front and rear panel is vertical, and side plate 4 tilts, and the inclination angle is 7.5 °, and whole feed bin has 10 tons storing amount.Arrange industrial television monitoring device 1 in the cat head centre, can monitor the material level of material in the storehouse and the accident condition of material (as smolder, naked light etc.), arranged high-pressure sprayer 2 around the monitoring device, water pressure 0.5～1MPa, the water spray area covers whole feed bin, injection flow rate is 1～5t/h, in case monitor the bed of material naked light is arranged, and can spray water immediately to eliminate disaster hidden-trouble.
Double-spiral feeder 8 is arranged in the middle of feed bin 5 bottoms, is made up of feed motor 6 (as XWD model motor), feed speed change commutator 7 (as spiral cone gear form formula commutator).Two bar spirals are arranged in juxtaposition with the spacing of 18mm, and feed helical axis 15 diameter d are 108mm, and length is 2.8m, and feed helical blade 16 diameter D are 400mm, and pitch is 400mm, and the number of blade is 3 pitches; Every bar helical blade arrangement is identical, i.e. helical blade symmetric arrangement before and after the discharging opening, and direction of rotation is opposite.Revolution speed of screw by motor direct-drive can be regulated between 0～20 rev/min, and the spiral after the speed change commutation rotates relatively with 0～10 rev/min rotating speed.The stalk material just under the differential rotation of feed spiral, constantly is transported to middle hopper 11.Middle hopper is the tower shape, highly is 1m, and top is 0.6m * 0.6m, and the bottom is the square opening of 0.8m * 0.8m, and the side plate inclination angle is 6 °; Apart from the top square opening is that the 0.3m place is provided with hydraulic pressure stop valve 10, and this stop valve is in opening when normal operation, but once the conveying of emergency fast shut-off material is arranged.
DWG 14 is arranged in the bottom of middle hopper 11, is made up of defeated material motor 12 (as XWD model motor), defeated material speed change commutator 13 (as spiral cone gear form formula commutators).Two bar spirals of this conveyer arrange that with the 18mm spacing parallel arranging ecto-entad rotates in opposite directions; Defeated material helical blade 18 diameter D are 440mm, and the helical axis diameter d is 108mm, and length is 2.2m.The pitch of first blade is 440mm, and the pitch of back blade is successively decreased with 40mm, and the number of blade is 4 pitches.Like this, material constantly is subjected to the extruding of back material in course of conveying, makes the discharging opening material press more tightly, prevents that the flue gas of materials equipment such as combustion furnace, gasification furnace from playing a reversed role.At discharging opening seal box device is set, to realize being flexible coupling of this feeding device and materials equipment.
Claims (5)
1. the feeding device of a biological matter straw burning, gasification is characterized in that this device mainly comprises feed bin (5), feed spiral (8), middle hopper (11), defeated material spiral (14); Wherein feed bin (5) is positioned at the top, the under shed of feed bin (5) is connected with the upside at the middle part of feed spiral (8), the blanking port (9) of feed spiral (8) middle part downside connects the upper shed of middle hopper (11), and the under shed of middle hopper (11) is connected with the upside of defeated material spiral (14).
2. the feeding device of biological matter straw burning according to claim 1, gasification is characterized in that described feed bin (5) is the tower shape, and front and rear panel is vertical, and side plate (4) tilts, and the inclination angle is 5～10 °; The top is provided with television monitoring device (1) and high-pressure sprayer (2); On side plate (4), be provided with material inlet (3).
3. the feeding device of biological matter straw burning according to claim 1, gasification is characterized in that being arranged in juxtaposition by two screw rods in the described double-spiral feeder (8), and spacing is 10～25mm, and the differential degree with 10～50% is by sideway swivel in the lateral; Feed helical blade (16) is opposite in blanking port (9) both sides symmetric arrangement and direction of rotation, and blade diameter is D, and pitch is L, and the number of blade is no less than 1.5 pitches.
4. the feeding device of biological matter straw burning according to claim 1, gasification is characterized in that described middle hopper (11) is the tower shape, and front and rear panel is vertical, and the side plate inclination angle is 5～8 °; Apart from upper opening is that 0.2～0.5 times middle hopper (11) highly locates to be provided with hydraulic pressure stop valve (10).
5. the feeding device of biological matter straw burning according to claim 1, gasification is characterized in that two screw rods in the described DWG (14) are arranged in juxtaposition, and spacing is 10～25mm, and the differential degree with 10～50% is by sideway swivel in the lateral; Defeated material helical blade (18) diameter is 1.1D～1.3D, and the number of blade is no less than 3 pitches, and the pitch of first blade is L, and the pitch of back blade is successively decreased with 0.05L～0.1L, and wherein D is feed helical blade (a 16) diameter, and L is the pitch of this blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200355292U CN201081239Y (en) | 2007-03-30 | 2007-03-30 | Feeding device for combustion and gasification of biomass agri-fiber waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200355292U CN201081239Y (en) | 2007-03-30 | 2007-03-30 | Feeding device for combustion and gasification of biomass agri-fiber waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201081239Y true CN201081239Y (en) | 2008-07-02 |
Family
ID=39614911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200355292U Expired - Fee Related CN201081239Y (en) | 2007-03-30 | 2007-03-30 | Feeding device for combustion and gasification of biomass agri-fiber waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201081239Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565004A (en) * | 2016-03-24 | 2016-05-11 | 陈勇 | Screw type feeding device changing material flow shape at discharge port |
| CN113911655A (en) * | 2021-10-29 | 2022-01-11 | 神彩科技股份有限公司 | Feeding control method and device for screw feeder |
-
2007
- 2007-03-30 CN CNU2007200355292U patent/CN201081239Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565004A (en) * | 2016-03-24 | 2016-05-11 | 陈勇 | Screw type feeding device changing material flow shape at discharge port |
| CN113911655A (en) * | 2021-10-29 | 2022-01-11 | 神彩科技股份有限公司 | Feeding control method and device for screw feeder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100480582C (en) | Biological matter straw burning-gasifying feeding apparatus | |
| CN101757968B (en) | Smashing and separating machine for kitchen rubbish | |
| CN201992674U (en) | Biomass energy thermal power plant stockhole feeding system | |
| CN201506615U (en) | Biomass feeding device | |
| CN101554783B (en) | Compulsory feeder used for biomass solid fuel molding machine | |
| CN208667629U (en) | A kind of Domestic garbage crushing forming integrated machine | |
| US20150017313A1 (en) | Biomass pelletizing process and pelletized products | |
| CN108686582A (en) | A kind of new energy biological particles production comminutor and its granulating system | |
| CN201401803Y (en) | Biomass fuel distributor for boiler | |
| CN201081239Y (en) | Feeding device for combustion and gasification of biomass agri-fiber waste | |
| CN201020864Y (en) | Three roller bevel teeth straight die rolling cold-moulding briquetting machine | |
| CN102851096A (en) | Processing method of biomass solid formed fuel | |
| CN201776926U (en) | Straw forming machine with spirally and parallel propelling and squeezing worm | |
| CN201372068Y (en) | Material storing and conveying device | |
| CN101713545B (en) | Fuel conveying method and equipment of boiler for burning crop straws | |
| CN202647829U (en) | Biomass power plant storage bin capable of preventing material accumulation | |
| CN213913955U (en) | Biomass fuel prilling granulator | |
| CN206622073U (en) | A kind of novel biomass granulator | |
| CN201437287U (en) | Forced feeder used in forming machine for biomass solid fuel | |
| CN208731731U (en) | Feed bin is crushed cleaner | |
| CN201599816U (en) | Fuel conveying device of boiler burning crop straws | |
| CN208852856U (en) | A kind of extrusion granulator for organic fertilizer | |
| CN207293370U (en) | The poking device of three helical feeders | |
| CN105546568A (en) | Raw material conveying device used for straw combustion | |
| CN206385111U (en) | A kind of stalk preprocessing system |
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: 20080702 Termination date: 20120330 |