CN111288481B - Feeding mechanism in biomass boiler - Google Patents
Feeding mechanism in biomass boiler Download PDFInfo
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- CN111288481B CN111288481B CN202010083556.7A CN202010083556A CN111288481B CN 111288481 B CN111288481 B CN 111288481B CN 202010083556 A CN202010083556 A CN 202010083556A CN 111288481 B CN111288481 B CN 111288481B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 72
- 239000002028 Biomass Substances 0.000 title claims abstract description 39
- 238000002485 combustion reaction Methods 0.000 claims abstract description 68
- 238000001035 drying Methods 0.000 claims abstract description 51
- 239000002245 particle Substances 0.000 claims description 35
- 230000007306 turnover Effects 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 18
- 239000002912 waste gas Substances 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 13
- 238000001125 extrusion Methods 0.000 claims description 9
- 239000002699 waste material Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 3
- 238000003491 array Methods 0.000 claims 1
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 8
- 238000004804 winding Methods 0.000 description 16
- 239000007789 gas Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 238000007792 addition Methods 0.000 description 6
- 239000008187 granular material Substances 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 210000004884 grey matter Anatomy 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 244000105624 Arachis hypogaea Species 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
- 235000018262 Arachis monticola Nutrition 0.000 description 1
- 235000016068 Berberis vulgaris Nutrition 0.000 description 1
- 241000335053 Beta vulgaris Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241000353135 Psenopsis anomala Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
- F23K1/04—Heating fuel prior to delivery to combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/10—Under-feed arrangements
- F23K3/14—Under-feed arrangements feeding by screw
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Processing Of Solid Wastes (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
The invention provides a feeding mechanism in a biomass boiler, and belongs to the technical field of biomass energy. This feed mechanism in biomass boiler, biomass boiler includes the base, the box has set firmly on the base, combustion chamber and drying chamber have in the box, the combustion chamber is linked together with the drying chamber, be provided with between combustion chamber and the drying chamber and be used for separating the automatic mechanism of separating with combustion chamber and drying chamber, feed mechanism includes trapped orbit, the removal bottom plate, a support frame, the upset is fought, storage plate and push rod motor are three, set up the pay-off mouth that links to each other with the drying chamber on the box, trapped orbit sets firmly on the base, trapped orbit one end penetrates in the pay-off mouth, the removal bottom plate slides and sets up on trapped orbit, the removal bottom plate drives through the actuating mechanism who takes its round trip movement. The invention has the advantages of large feeding quantity and raw material drying.
Description
The invention belongs to the application date: 2018-07-18, application number: 201810788601.1,
The patent name: a divisional application of a feeding mechanism in a biomass boiler.
Technical Field
The invention belongs to the technical field of biomass energy, and particularly relates to a feeding mechanism in a biomass boiler.
Background
The biomass boiler is a kind of boiler, namely a boiler using biomass energy as fuel is called a biomass boiler and is divided into a biomass steam boiler, a biomass hot water boiler, a biomass hot air furnace, a biomass heat-conducting oil furnace, a vertical biomass boiler, a horizontal biomass boiler and the like.
Due to the limitation of electric power and natural gas supply and gas pipelines, coal-fired boilers in China cannot be completely changed into electric boilers or gas boilers, and biomass boilers are low in price and running cost, so that the biomass boilers are easy to accept and popularize by users, and the blank is filled. The biomass energy granular fuel is prepared by crushing, mixing, extruding, drying and other processes of all waste crops such as straws, rice straws, firewood materials, wood chips, peanut shells, melon seed shells, beet pulp, barks and the like, and finally preparing the granular fuel.
Traditional biomass boiler is in the use, and the feeding volume is less, can only use on some small-size equipment, has great limitation, and can not effectually dry the raw materials in the feeding process, causes local burnt black in the combustion chamber, influences the heat transfer effect.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a feeding mechanism in a biomass boiler, which has the characteristics of large feeding amount and raw material drying.
The purpose of the invention can be realized by the following technical scheme:
a feeding mechanism in a biomass boiler comprises a base, wherein a box body is fixedly arranged on the base, a combustion chamber and a drying chamber are arranged in the box body, the combustion chamber is communicated with the drying chamber, and an automatic separation mechanism for separating the combustion chamber from the drying chamber is arranged between the combustion chamber and the drying chamber; the drying device is characterized in that the feeding mechanism comprises a fixed rail, a movable bottom plate, a support frame, a turnover hopper, a material storage plate and a third push rod motor, a feeding port connected with the drying chamber is formed in the box body, the fixed rail is fixedly arranged on the base, one end of the fixed rail penetrates into the feeding port, the movable bottom plate is arranged on the fixed rail in a sliding mode, the movable bottom plate is driven by a driving mechanism with the movable bottom plate moving back and forth, the support frame is L-shaped, the support frame is fixedly arranged on the movable bottom plate, one end of the turnover hopper is hinged to the support frame close to one side of the box body, the other end of the turnover hopper is connected to the support frame far away from one side of the box body through a third push rod motor, one end of the third push rod motor is hinged to the turnover hopper, and the other end of the third push rod motor is hinged to the support frame; the turnover hopper is provided with a discharge hole at one side close to the box body, the storage plate is arranged in the turnover hopper, and an electronic scale is fixedly arranged between the storage plate and the turnover hopper.
The working principle of the mechanism is as follows: the biomass particle drying device comprises a turnover hopper, an electronic scale, a driving mechanism, a movable bottom plate, a movable plate upper supporting frame, a turnover hopper, a combustion chamber, a push rod motor and a driving mechanism, wherein biomass particles are placed in the turnover hopper, the addition amount is weighed by the electronic scale, the movable bottom plate is driven to move by the driving mechanism, the movable bottom plate moves into the drying chamber, the movable plate upper supporting frame and the turnover hopper also move into the drying chamber together, after drying for a period of time, the movable bottom plate is driven by the driving mechanism to move and move into the combustion chamber, the push rod motor is started, one end of the turnover hopper moves upwards, the turnover hopper inclines, the particles in the turnover hopper roll down along with the turnover direction, then the movable bottom plate slowly withdraws outwards by the driving mechanism, and the particles are uniformly laid on a first screen plate or a second screen plate.
The addition amount can be accurately controlled through an electronic scale. The feeding mechanism can uniformly feed the raw materials to the first screen plate and the second screen plate.
In the feeding mechanism of the substance boiler, a waste gas pipe communicated with the combustion chamber box is fixedly arranged on the box body, an air inlet pipe communicated with the drying chamber is further fixedly arranged on the box body, the waste pipe is connected with the air inlet pipe through a pipeline, a processing device for processing waste gas is arranged on the pipeline, and an exhaust pipe communicated with the drying chamber is further fixedly arranged on the box body. And (4) after the combusted waste gas is treated by the treatment device, introducing the waste gas into the drying chamber, and drying the particles in the drying chamber. The waste heat through burning back waste gas is dried the granule, reduces the moisture in the granule, reduces the residue of grey matter after the burning, reduces the burning chamber top and the burnt black phenomenon of abandonment pipe play to reduce thermal recovery and the emission efficiency of waste gas.
In the feeding mechanism in the material boiler, the automatic separation mechanism comprises a second push rod motor and a separation plate, the second push rod motor is fixedly arranged in the box body, an output shaft is vertically downward, and the separation plate is fixedly arranged at the end part of the output shaft of the second push rod motor. And the second push rod motor is started to drive the partition plate to lift up and down, the drying chamber and the combustion chamber are opened or separated, and heat insulation materials are arranged in the partition plate.
In the feeding mechanism in the material boiler, the driving mechanism comprises a screw and a third motor, a connecting block is fixedly arranged on the movable bottom plate, a threaded hole is formed in the connecting block, and the screw is rotatably arranged on the fixed track and is in threaded connection with the threaded hole. The third motor starts to drive the screw rod to rotate, the screw rod drives the connecting block to move back and forth, and the connecting block drives the movable bottom plate to move back and forth.
In the feeding mechanism in the material boiler, the material storage plate is internally provided with a cavity, the upper plate surface of the material storage plate is provided with a plurality of air outlet holes communicated with the cavity, and one side of the material discharge plate is provided with an air inlet hole communicated with the cavity. Hot air enters from the air inlet hole, then enters into the cavity of the material storage plate, and finally is blown out from the air outlet hole on the upper plate surface of the material storage plate to dry particles on the material storage plate.
In the feeding mechanism in the material boiler, the side wall of the turnover bucket is provided with a through hole, a connecting pipe is fixedly arranged in the through hole, one end of the connecting pipe is connected with an air inlet hole through a hose, the other end of the connecting pipe is sleeved with a connector, the connector can be connected with an air inlet pipe, the connector is connected to the connecting pipe through a pressure spring, and the connector is provided with a chamfer. When placing the granule on the storage board, the storage board can sink, for preventing leaking gas between the inlet port on connecting pipe and the storage board, adopts the hose to be connected, is provided with the connector on the other end of connector, and when the connector lies in the intake pipe contact, the chamfer can make the connector and the better linking to each other of intake pipe, and the connector can prevent to leak gas through the extrusion of pressure spring firmly in the intake pipe.
In the feed mechanism in above-mentioned material boiler, the upset fill outside be provided with chamber door one, chamber door one can support with the box outer wall and lean on, the support frame on seted up a plurality of slide openings, chamber door one on set firmly the slide bar that corresponds with the slide opening, the slide bar is worn to establish in the slide opening, the slide bar on the cover be equipped with the extension spring, extension spring one end set firmly on the slide bar, the extension spring other end set firmly on the support frame. After the movable bottom plate moves into the drying chamber, the first box door seals the feeding port, when the movable bottom plate drives the supporting frame to move into the combustion chamber, the first box door is abutted against the box body, and after the movable bottom plate drives the supporting frame to push out the combustion chamber, the first box door resets through the tension spring.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the particles are dried by the waste heat of the waste gas after combustion, so that the moisture in the particles is reduced, the residue of ash after combustion is reduced, and the phenomenon of coking at the top of the combustion chamber and at the outlet of the waste pipe is reduced, thereby reducing the heat recovery and the waste gas discharge efficiency. Preventing the internal air pressure from being too high.
2. The addition amount can be accurately controlled through an electronic scale. The feeding mechanism can uniformly feed the raw materials to the first screen plate and the second screen plate.
Drawings
FIG. 1 is a schematic of the present invention.
Fig. 2 is an internal structural view of the present invention.
Fig. 3 is a structural view of a combustion chamber in the present invention.
Fig. 4 is a schematic view of the feed mechanism of the present invention.
Fig. 5 is a front view of the feeding mechanism of the present invention.
Fig. 6 is a schematic view of the conveying mechanism of the present invention.
Fig. 7 is a partially enlarged view of fig. 5.
In the figure, 1, a base; 2. a box body; 3. a combustion chamber; 4. a drying chamber; 5. a steam boiler; 6. a first crushing zone; 7. a combustion zone; 8. a second crushing zone; 9. a slide rail; 10. a first screen plate; 11. a second screen plate; 12. an ignition device; 13. an air inlet pipe; 14. a processing device; 15. a pipeline; 16. an exhaust gas pipe; 17. an exhaust pipe; 18. a first motor; 19. a second motor; 20. a first winding shaft; 21. a second winding shaft; 22. a first chain; 23. a second chain; 24. a delivery pipe; 25. a fan; 26. an oxygen cylinder; 27. disturbing the net; 28. a one-way valve; 29. connecting branch pipes; 30. a manual ball valve; 31. a push rod motor I; 32. a lifting plate; 33. briquetting; 34. a spring; 35. a first vibrator; 36. a push rod motor II; 37. a partition plate; 38. fixing a track; 39. moving the base plate; 40. a support frame; 41. turning over the bucket; 42. a material storage plate; 43. a third push rod motor; 44. an electronic scale; 45. a screw; 46. a third motor; 47. connecting blocks; 48. a cavity; 49. an air outlet; 50. an air inlet; 51. a connecting pipe; 52. a hose; 53. a connector; 54. a pressure spring; 55. a first box door; 56. a slide bar; 57. a tension spring; 58. and a second box door.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 7, a feeding mechanism in a biomass boiler comprises a base 1, wherein a box body 2 is fixedly arranged on the base 1, a combustion chamber 3 and a drying chamber 4 are arranged in the box body 2, and a steam boiler 5 attached to the combustion chamber 3 is fixedly arranged in the box body 2; the steam boiler 5 is positioned right above the combustion chamber 3; the combustion chamber 3 comprises a first crushing area 6, a combustion area 7 and a second crushing area 8, two sliding rails 9 are fixedly arranged in the combustion chamber 3, a first screen plate 10 and a second screen plate 11 for placing biomass particles are arranged on the sliding rails 9 in a sliding mode, the first screen plate 10 is fixedly connected with the second screen plate 11, and a driving mechanism for driving the first screen plate 10 and the second screen plate 11 to move back and forth is arranged in the box body 2; the first screen plate 10 can enter a first crushing area 6, and the second screen plate 11 can enter a second crushing area 8; an ignition device 12 is fixedly arranged in the combustion chamber 3; the box body 2 is also provided with a conveying mechanism for conveying air into the combustion chamber 3; crushing mechanisms for crushing the burnt biomass particles are symmetrically arranged on two sides of the combustion chamber 3; the combustion chamber 3 is communicated with the drying chamber 4, and an automatic separation mechanism for separating the combustion chamber 3 from the drying chamber 4 is arranged between the combustion chamber 3 and the drying chamber 4; the base 1 is provided with a feeding mechanism which is used for feeding biomass particles into the drying chamber 4 and can be fed into the combustion chamber 3; the waste gas pipe 16 communicated with the combustion chamber 3 is fixedly arranged on the box body 2, the air inlet pipe 13 communicated with the drying chamber 4 is fixedly arranged on the box body 2, the waste pipe is connected with the air inlet pipe 13 through a pipeline 15, a processing device 14 used for processing waste gas is arranged on the pipeline 15, and the exhaust pipe 17 communicated with the drying chamber 4 is fixedly arranged on the box body 2.
In the invention, the particles are dried by the waste heat of the waste gas after combustion, so that the moisture in the particles is reduced, the residue of ash after combustion is reduced, and the phenomenon of coke black at the top of the combustion chamber 3 and at the outlet of the waste pipe is reduced, thereby reducing the heat recovery and the waste gas discharge efficiency. Preventing the internal air pressure from being too high. Through the mutual switching of the first screen plate 10 and the second screen plate 11, the burned particles can be crushed outside through the crushing mechanism, and the unburnt particles are left on the first screen plate 10 or the second screen plate 11 for secondary combustion, so that the utilization rate of raw materials is improved.
The ignition device 12 and the processing device 14 are conventional in the art and are commonly available in the market.
Specifically, the first screen plate 10 and the second screen plate 11 both comprise a frame and a chain net, the chain net is fixed on the frame, and a plurality of support rods are fixedly arranged on the frame; the edge of the frame is vertically and upwards fixedly provided with a baffle. Have more and less gap on the chain net, after then the granule outer layer after by the crushing, the easier breaks away from, can not pile up on the chain net, leads to follow-up raw materials can not be burnt completely. The bracing piece can support the chain net, prevents that the chain net from sunken downwards.
Specifically, the driving mechanism comprises a first motor 18, a second motor 19, a first winding shaft 20 and a second winding shaft 21, the first winding shaft 20 is rotatably arranged in the first crushing area 6, the first motor 18 is fixedly arranged on the box body 2, an output shaft of the first motor 18 is connected with the first winding shaft 20 and can rotate with the first winding shaft, the first screen plate 10 is fixedly connected with the first winding shaft 20 through two chains 22, the second winding shaft 21 is rotatably arranged in the second crushing area 8, the second motor 19 is fixedly arranged on the box body 2, an output shaft of the second motor 19 is connected with the second winding shaft 21 and can rotate with the second winding shaft 21, and the second screen plate 11 is fixedly connected with the second winding shaft 21 through two chains 23. The first motor 18 is started, the first winding shaft 20 starts to wind, the first winding shaft 20 pulls the first screen plate 10 into the first crushing zone 6 through the first chain 22, and the second screen plate 11 is pulled into the combustion zone 7; and the second motor 19 is started, the second winding shaft 21 starts to wind, the second winding shaft 21 pulls the second screen plate 11 into the second crushing zone 8 through the second chain 23, and the first screen plate 10 cups are pulled into the combustion zone 7.
Specifically, the conveying mechanism comprises a conveying pipe 24, a fan 25, an oxygen cylinder 26 and a plurality of disturbing nets 27, wherein the conveying pipe 24 is fixedly arranged on the box body 2 and communicated with the combustion chamber 3, an inlet of the conveying pipe 24 is sealed through a one-way valve 28, the fan 25 is fixedly arranged in the conveying pipe 24, and the disturbing nets 27 are fixedly arranged at an outlet of the conveying pipe 24; the delivery pipe 24 is fixedly provided with a connecting branch pipe 29, the oxygen cylinder 26 is fixedly arranged on the connecting branch pipe 29, and the branch pipe is provided with a manual ball valve 30. The fan 25 is started, the fan 25 sends air into the conveying pipe 24, and then the air is conveyed into the combustion chamber 3; in the case of non-activation of the fan 25, the non-return valve 28 of the duct 24 closes the inlet, preventing the entry of dust into the combustion chamber 3; in the combustion chamber 3, when black smoke and coke are generated in the process, the oxygen in the oxygen cylinder 26 is fed into the delivery pipe 24 by opening the manual ball valve 30, and when the oxygen enters the disturbing net 27, the oxygen and the air are uniformly mixed to prevent explosion, and larger impurities can be blocked by the disturbing net 27.
Specifically, crushing mechanism includes push rod motor 31, lifter plate 32 and a plurality of extrusion subassembly, and push rod motor 31 sets firmly at 3 tops of combustion chamber, and the output shaft of push rod motor 31 is vertical downwards, and the lifter plate 32 is fixed at the output shaft tip of push rod motor 31, and the extrusion subassembly array sets firmly at the lower surface of lifter plate 32, and the extrusion subassembly includes briquetting 33, and briquetting 33 passes through spring 34 to be fixed at the lower surface of lifter plate 32, still sets firmly a plurality of vibrators 35 on the lifter plate 32. The first push rod motor 31 is started to drive the lifting plate 32 to lift up and down, the extrusion assembly at the lower part of the lifting plate 32 presses the first screen plate 10 or the second screen plate 11 to crush particles on the first screen plate 10 or the second screen plate 11, the first vibrator 35 is started to perform high-frequency oscillation on the particles when the particles are extruded, and carbon ash burnt at the outer layer is shaken to break away from the particles and drops from gaps in the first screen plate 10 or the second screen plate 11.
Specifically, the automatic separation mechanism comprises a third push rod motor 36 and a separation plate 37, the third push rod motor 36 is fixedly arranged in the box body 2, an output shaft is vertically downward, and the separation plate 37 is fixedly arranged at the end part of the output shaft of the third push rod motor 36. The third push rod motor 36 is started to drive the partition plate 37 to lift up and down, the drying chamber 4 and the combustion chamber 3 are opened or separated, and heat insulation materials are arranged in the partition plate 37.
Specifically, the feeding mechanism comprises a fixed rail 38, a movable bottom plate 39, a support frame 40, a turnover hopper 41, a material storage plate 42 and a third push rod motor 43, a feeding port connected with the drying chamber 4 is formed in the box body 2, the fixed rail 38 is fixedly arranged on the base 1, one end of the fixed rail 38 penetrates into the feeding port, the movable bottom plate 39 is slidably arranged on the fixed rail 38, the movable bottom plate 39 is driven by a driving mechanism with the movable bottom plate moving back and forth, the support frame 40 is in an L shape, the support frame 40 is fixedly arranged on the movable bottom plate 39, one end of the turnover hopper 41 is hinged on the support frame 40 close to one side of the box body 2, the other end of the turnover hopper 41 is connected on the support frame 40 far away from one side of the box body 2 through a third push rod motor 4336, one end of the third push rod motor 4336 is hinged on the turnover hopper 41, and the other end of the third push rod motor 4336 is hinged on the support frame 40; a discharge port is arranged on one side of the turning hopper 41 close to the box body 2, a material storage plate 42 is arranged in the turning hopper 41, and an electronic scale 44 is fixedly arranged between the material storage plate 42 and the turning hopper 41.
The working principle of the mechanism is as follows: the biomass particles are placed into a turnover hopper 41, the addition amount is weighed by an electronic scale 44, then the moving bottom plate 39 is driven by a driving mechanism to move, the moving bottom plate 39 moves into a drying chamber 4, a support frame 40 on the moving plate and the turnover hopper 41 also move into the drying chamber 4, after drying for a period of time, the driving mechanism drives the moving bottom plate 39 to move and move into a combustion chamber 3, a third push rod motor 43 is started, one end of the turnover hopper 41 moves upwards, the turnover hopper 41 inclines, the particles in the interior roll down along with the turnover direction, then the driving mechanism drives the moving bottom plate 39 to slowly withdraw outwards, and the particles are uniformly laid on a first screen plate 10 or a second screen plate 11.
The amount of addition can be accurately controlled by the electronic scale 44. The feeding mechanism can uniformly feed the raw materials to the first screen plate 10 and the second screen plate 11.
Specifically, the driving mechanism comprises a screw 45 and a third motor 46, a connecting block 47 is fixedly arranged on the moving base plate 39, a threaded hole is formed in the connecting block 47, the screw 45 is rotatably arranged on the fixed track 38, and the screw 45 is in threaded connection with the threaded hole. The third motor 46 is started to drive the screw rod 45 to rotate, the screw rod 45 drives the connecting block 47 to move back and forth, and the connecting block 47 drives the moving bottom plate 39 to move back and forth.
Specifically, the storage plate 42 has a cavity 48 therein, the upper plate surface of the storage plate 42 is provided with a plurality of air outlet holes 49 communicated with the cavity 48, and one side of the discharge plate is provided with an air inlet hole 50 communicated with the cavity 48. Hot air enters from the air inlet holes 50, then enters the cavity 48 of the storage plate 42, and finally is blown out from the air outlet holes 49 on the upper plate surface of the storage plate 42, so that the particles on the storage plate 42 are dried.
Specifically, a through hole is formed in the side wall of the turning bucket 41, a connecting pipe 51 is fixedly arranged in the through hole, one end of the connecting pipe 51 is connected with the air inlet 50 through a hose 52, a connector 53 is sleeved at the other end of the connecting pipe 51, the connector 53 can be connected with the air inlet pipe 13, the connector 53 is connected to the connecting pipe 51 through a pressure spring 54, and a chamfer is formed in the connector 53. When placing the granule on storage board 42, storage board 42 can sink, for preventing leaking gas between inlet port 50 on connecting pipe 51 and the storage board 42, adopt hose 52 to be connected, be provided with connector 53 on the other end of connector 53, when connector 53 lies in the intake pipe 13 contact, the chamfer can make connector 53 and intake pipe 13 better link to each other, and connector 53 can prevent leaking gas on intake pipe 13 through the extrusion of pressure spring 54 firmly.
Specifically, the first box door 55 is arranged outside the turning hopper 41, the first box door 55 can abut against the outer wall of the box body 2, the supporting frame 40 is provided with a plurality of sliding holes, a sliding rod 56 corresponding to the sliding holes is fixedly arranged on the first box door 55, the sliding rod 56 penetrates through the sliding holes, the sliding rod 56 is sleeved with a tension spring 57, one end of the tension spring 57 is fixedly arranged on the sliding rod 56, and the other end of the tension spring 57 is fixedly arranged on the supporting frame 40. After the movable bottom plate 39 moves into the drying chamber 4, the feeding port is sealed by the first box door 55, when the movable bottom plate 39 drives the support frame 40 to move to the combustion chamber 3, the first box door 55 abuts against the box body 2, and after the movable bottom plate 39 drives the support frame 40 to push out of the combustion chamber 3, the first box door is reset through the tension spring 57.
Specifically, the side part of the box body 2 is provided with a second box door 58, and the bottom of the combustion chamber 3 is provided with a gray matter recovery tank. The ash after burning is recycled by the ash recycling groove and can be taken out from the second box door 58.
The working principle of the invention is as follows: placing biomass particles in a feeding mechanism, feeding the particles into a drying chamber 4 by the feeding mechanism, after drying for a period of time, starting an automatic separating mechanism to enable the drying chamber 4 to be communicated with a combustion chamber 3, feeding the particles onto a first screen plate 10 or a second screen plate 11, igniting the particles by an ignition device 12, closing the ignition device 12 after ignition, moving the first screen plate 10 and the second screen plate 11 after a period of time of combustion, moving the first screen plate 10 into a first crushing zone 6, moving the second screen plate 11 into a combustion zone 7, igniting the particles on the second screen plate 11 by starting the ignition device again, simultaneously dividing crushing mechanisms at two sides into a first crushing zone 6 and a second crushing zone 8, crushing the substances combusted on the first screen plate 10 by a crushing mechanism in the first crushing zone 6, crushing the carbon burnt at the outer layer and leaking out of meshes in the first screen plate 10, and leaving the rest particles on the first screen plate, the mixture is left for the next use; similarly, after the particles on the second screen plate 11 are burnt, the second screen plate 11 is moved to the second grinding zone 8 to carry out the same steps, then the first screen plate 10 is moved to the combustion zone 7, the automatic separation mechanism is started, new particles are sent to the first screen plate 10 to be combusted, air is continuously sent to the combustion chamber 3 through the conveying mechanism in the combustion process, the combustion efficiency is improved, and particles which are not burnt out are reduced; the burned exhaust gas is treated by the treatment device 14 and then introduced into the drying chamber 4 to dry the particles in the drying chamber 4.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (5)
1. A feeding mechanism in a biomass boiler comprises a base, a box body is fixedly arranged on the base, a combustion chamber and a drying chamber are arranged in the box body, the combustion chamber is communicated with the drying chamber, and an automatic separation mechanism for separating the combustion chamber from the drying chamber is arranged between the combustion chamber and the drying chamber, and the feeding mechanism is characterized by comprising a fixed rail, a movable bottom plate, a support frame, a turnover hopper, a material storage plate and a push rod motor III, wherein a feeding port connected with the drying chamber is formed in the box body, the fixed rail is fixedly arranged on the base, one end of the fixed rail penetrates into the feeding port, the movable bottom plate is slidably arranged on the fixed rail and is driven by a driving mechanism which drives the movable bottom plate to move back and forth, the support frame is L-shaped and is fixedly arranged on the movable bottom plate, one end of the turning hopper is hinged to the supporting frame close to one side of the box body, the other end of the turning hopper is connected to the supporting frame far away from one side of the box body through a third push rod motor, one end of the third push rod motor is hinged to the turning hopper, and the other end of the third push rod motor is hinged to the supporting frame; a discharge port is formed in one side, close to the box body, of the overturning hopper, the storage plate is arranged in the overturning hopper, and an electronic scale is fixedly arranged between the storage plate and the overturning hopper;
the combustion chamber comprises a first crushing area, a combustion area and a second crushing area, two sliding rails are fixedly arranged in the combustion chamber, a first screen plate and a second screen plate for placing biomass particles are arranged on the sliding rails in a sliding mode, the first screen plate is fixedly connected with the second screen plate, and a driving mechanism for driving the first screen plate and the second screen plate to move back and forth is arranged in the box body; the first screen plate can enter the first grinding area, and the second screen plate can enter the second grinding area; crushing mechanisms for crushing the burnt biomass particles are symmetrically arranged on two sides of the combustion chamber; the crushing mechanism comprises a first push rod motor, a lifting plate and a plurality of extrusion assemblies, the first push rod motor is fixedly arranged at the top of the combustion chamber, an output shaft of the first push rod motor is vertically downward, the lifting plate is fixed at the end part of the output shaft of the first push rod motor, the extrusion assembly arrays are fixedly arranged on the lower surface of the lifting plate, each extrusion assembly comprises a pressing block, the pressing blocks are fixedly arranged on the lower surface of the lifting plate through springs, and a plurality of vibrators I are fixedly arranged on the lifting plate;
the automatic separation mechanism comprises a second push rod motor and a separation plate, the second push rod motor is fixedly arranged in the box body, an output shaft is vertically downward, and the separation plate is fixedly arranged at the end part of the output shaft of the second push rod motor;
the driving mechanism comprises a screw and a third motor, a connecting block is fixedly arranged on the movable bottom plate, a threaded hole is formed in the connecting block, and the screw is rotatably arranged on the fixed rail and is in threaded connection with the threaded hole.
2. The feeding mechanism in the biomass boiler according to claim 1, wherein the box body is fixedly provided with a waste gas pipe communicated with the combustion chamber box, the box body is further fixedly provided with an air inlet pipe communicated with the drying chamber, the waste pipe is connected with the air inlet pipe through a pipeline, the pipeline is provided with a treatment device for treating waste gas, and the box body is further fixedly provided with an exhaust pipe communicated with the drying chamber.
3. The feeding mechanism of biomass boiler according to claim 2, wherein the storage plate has a cavity therein, the storage plate has a plurality of air outlets on its upper surface communicating with the cavity, and one side of the discharge plate has an air inlet communicating with the cavity.
4. The feeding mechanism of biomass boiler according to claim 3, wherein the side wall of the turning bucket is provided with a through hole, a connecting pipe is fixedly arranged in the through hole, one end of the connecting pipe is connected with the air inlet hole through a hose, the other end of the connecting pipe is sleeved with a connector, the connector can be connected with the air inlet pipe, the connector is connected with the connecting pipe through a pressure spring, and the connector is provided with a chamfer.
5. The feeding mechanism in the biomass boiler as claimed in claim 4, wherein a first box door is arranged outside the turnover hopper, the first box door can abut against the outer wall of the box body, the supporting frame is provided with a plurality of sliding holes, a sliding rod corresponding to the sliding holes is fixedly arranged on the first box door, the sliding rod penetrates through the sliding holes, the sliding rod is sleeved with a tension spring, one end of the tension spring is fixedly arranged on the sliding rod, and the other end of the tension spring is fixedly arranged on the supporting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010083556.7A CN111288481B (en) | 2018-07-18 | 2018-07-18 | Feeding mechanism in biomass boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010083556.7A CN111288481B (en) | 2018-07-18 | 2018-07-18 | Feeding mechanism in biomass boiler |
| CN201810788601.1A CN109163346B (en) | 2018-07-18 | 2018-07-18 | Feeding mechanism in biomass boiler |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810788601.1A Division CN109163346B (en) | 2018-07-18 | 2018-07-18 | Feeding mechanism in biomass boiler |
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| CN111288481A CN111288481A (en) | 2020-06-16 |
| CN111288481B true CN111288481B (en) | 2021-10-01 |
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| CN201810788601.1A Active CN109163346B (en) | 2018-07-18 | 2018-07-18 | Feeding mechanism in biomass boiler |
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| CN107588418A (en) * | 2017-10-19 | 2018-01-16 | 成都课迪科技有限公司 | A kind of new energy boiler with auto feed function |
| CN107906551A (en) * | 2017-12-01 | 2018-04-13 | 无锡市恒达矿山机械有限公司 | A kind of boiler auxiliary feed device |
| CN107975818A (en) * | 2017-12-04 | 2018-05-01 | 无锡市恒达矿山机械有限公司 | It is a kind of can self-emptying boiler feeding device |
| CN107990306A (en) * | 2018-01-04 | 2018-05-04 | 衡水亚菲生物质能发电有限公司 | A kind of generating power with biomass combustion device |
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| CN1975255A (en) * | 2006-12-19 | 2007-06-06 | 北京中科通用能源环保有限责任公司 | Chain furnace grate protecting method for incinerating biomass fuel and its special device |
| CN106642074A (en) * | 2015-10-29 | 2017-05-10 | 王欣欣 | Pellet combustion device |
| CN205316373U (en) * | 2015-12-03 | 2016-06-15 | 哈尔滨理工大学 | Living beings briquetting hot -blast furnace feed divider |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109163346B (en) | 2020-07-31 |
| CN111288481A (en) | 2020-06-16 |
| CN109163346A (en) | 2019-01-08 |
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