CN105076513B - Granular fuel carding machine - Google Patents

Granular fuel carding machine Download PDF

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Publication number
CN105076513B
CN105076513B CN201410767800.6A CN201410767800A CN105076513B CN 105076513 B CN105076513 B CN 105076513B CN 201410767800 A CN201410767800 A CN 201410767800A CN 105076513 B CN105076513 B CN 105076513B
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China
Prior art keywords
auger
granular fuel
tealeaves
pressure roller
heating chamber
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CN105076513A (en
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苏鸿
王保国
孟建土
苏和生
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Zhejiang Fengkai Machinery Co., Ltd.
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Hangzhou Qiandaohu Fengkai Industry Co Ltd
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Abstract

The invention discloses a kind of granular fuel carding machines, swing type slot pot including main body and on main body, the rear side of the main body is equipped with tealeaves rollway, heating chamber is additionally provided with below the slot pot, the one side of heating chamber is connected with granular fuel combustor, the heating tube that the opposite side of heating chamber is arranged on by several between slot pot and heating chamber is connected with smoke exhaust pipe, the granular fuel combustor includes housing, conveying system, burner and main air blower, the conveying system includes homocline auger and the pusher auger being arranged in parallel in below homocline auger, the output terminal of pusher auger is connected with burner.The present invention using granular fuel heating, time delays will not be caused in Tea Production and production cost is low, manage bar effect is good, there is very high practical value.

Description

Granular fuel carding machine
Technical field
The present invention relates to machine for processing tea technical field, especially a kind of granular fuels using biomass granule fuel Carding machine.
Background technology
The bar shaped tea being particularly in the frying process of tealeaves in green tea has to pass through water-removing, manage bar, shaping, drying Multiple working procedures are waited, manage bar operation, but the tealeaves of the prior art carry out tealeaves using slot cooking-pot type carding machine mostly in the prior art Carding machine uses Electric heating mostly, since the supply of electric power of many rural area tea growing areas is insufficient, and the time of Tea Production Relatively centralized, all with powerful tea machinery, its electricity consumption cannot be guaranteed every household, can not use low power generator It solves, therefore the influences such as time delays is easily caused on Tea Production, due to supplied only seasonally, the delay time at stop of tea processing Caused by economic loss it is very big.On the other hand, the power consumption of tea-processing equipment is generally very big, and the electricity charge of rural area are relatively Height, therefore the production cost of tea grower is higher, the peasant household of small-scale production is influenced very big.In addition, the tea carding of the prior art Machine tealeaves during tea carding is substantially at free state, and manage bar process lacks tealeaves constraint, thus manage bar effect compared with Difference.Publication date is on December 3rd, 2014, and the patent document of Publication No. CN104171035A discloses a kind of tea carding machine, Including rack, pedestal is slidably fitted in rack and drives the driving mechanism of pedestal transverse reciprocating slip, stir-fry is installed on pedestal Tea pot, the front end of tea stir-frying pot are rotatably connected on pedestal, and the rear end of pedestal is connected with push rod, and the front end face of tea stir-frying pot is equipped with door Plate, the upper end of door-plate are rotatably connected on tea stir-frying pot, and connecting rod is connected on door-plate, and connecting rod driving is connected between connecting rod and pedestal Mechanism.Tea stir-frying pot and door-plate are connected by bar-link drive, tea stir-frying pot is made when being flipped up door-plate to be driven to open, tea stir-frying pot to Again door-plate is driven to close after lower overturning, sealing effect is good after door-plate is closed, this is simple in structure, is driven without driving mechanism, closing Effect is good, and reduces the cost of manufacture of carding machine.Publication date is on December 3rd, 2014, and Publication No. CN104171042A's is special Sharp file discloses a kind of tea leaf vibration carding machine, including stent, electric appliance control box, transmission device, heater box, multiple-grooved pot;Add Hot tank is supported on residing for stent by the oscillating rod of four equal lengths on plane;On the bottom frame internal diameter and heating chamber of multiple-grooved pot Mouthful size is identical, and under working condition, the bottom frame of multiple-grooved pot covers all that heating chamber is suitable for reading, and the heat that electrothermal tube generates is in envelope It closes in space, reduces the waste of heat;Heater box, multiple-grooved pot drive by oscillating rod.The bearing of oscillating rod and its upper part The heat that seat is born is seldom, is not required to often lubricate, avoids due to often filling lubricating oil and pollute tealeaves.Above-mentioned tea carding Equipment using Electric heating complete tea carding process, in supply of electric power it cannot be guaranteed that tea growing areas practicability it is poor, The influences such as time delays are easily caused on Tea Production, easily give economic loss caused by tea grower.On the other hand, above-mentioned tealeaves adds The power consumption of construction equipment is very big, therefore the production cost of tea grower is higher, the peasant household of small-scale production is influenced very big.On in addition, It states tea carding machine middle tealeaves during tea carding and is substantially at free state, manage bar process lacks tealeaves constraint, because This manage bar effect is poor.
The content of the invention
The purpose of the present invention is being processed to solve the tea carding machine of the prior art using electric heating, easily in Tea Production The problem of tea carding machine power consumption that time delays causes economic loss and the prior art is big, and production cost is high is caused, is provided It is a kind of to be heated using granular fuel, time delays and the low granular fuel manage bar of production cost are caused in Tea Production Machine.
It is another object of the present invention to solve the problems, such as that its manage bar effect of the tea carding machine of the prior art is poor, provide A kind of good granular fuel carding machine of manage bar effect.
The present invention is that specific technical solution is used by reaching above-mentioned technical purpose:A kind of granular fuel carding machine, bag Main body and the swing type slot pot on main body are included, the rear side of the main body is equipped with tealeaves rollway, the slot pot Lower section is additionally provided with heating chamber, and the one side of heating chamber is connected with granular fuel combustor, and the opposite side of heating chamber is set by several The heating tube put between slot pot and heating chamber is connected with smoke exhaust pipe, and temperature sensor is additionally provided in heating chamber;The particle combustion Expect that combustor includes housing, conveying system, burner and main air blower, the conveying system includes hopper and is connected with hopper outlet Homocline auger, the output terminal of homocline auger passes through the blanking channel being vertically arranged and the pusher being arranged below homocline auger twists Dragon connection, the output terminal of pusher auger are connected with burner, and the burner is arranged on hull outside, horizontally disposed including one Double-layer structure cylinder, the inner cylinder and outer barrel of the cylinder are coaxially arranged, and the rear end of inner cylinder is equipped with end plate, and the top of end plate is set There is charging hole, the output terminal of pusher auger is connected with charging hole, and the lower part of end plate is equipped with lighting-up tuyere, and the rear side of lighting-up tuyere is equipped with Igniter, the front end of inner cylinder are equipped with bocca, and the inner cavity of inner cylinder forms granular fuel combustion chamber, cavity between inner cylinder and outer barrel Form wind pushing cavity, the wind pushing cavity is closed close to the front end of inner cylinder bocca, the rear end of wind pushing cavity by an air inlet box with it is described Main air blower connects, and the barrel of inner cylinder is equipped with the air pushing hole of connection combustion chamber and wind pushing cavity, and the granular fuel carding machine also wraps Include control device, the control device connection temperature sensor and granular fuel combustor.The tea carding machine of the present invention carries Granular fuel combustor, the bocca of granular fuel combustor are connected with the heating chamber of the lower section of slot pot, granular fuel burning The flame that machine sprays is directly entered heating chamber, and the thermal current in heating chamber enters heating tube and passes through heating tube as the heating of slot pot, Heating this addresses the problem carding machine is the main power consumption problem of carding machine, and carding machine remainder(Swung including slot pot, Granular fuel combustor auger, wind turbine and control circuit etc.)Power consumption it is comparatively small, electric power system will not be had an impact. On the other hand, much lower using the cost ratio electrical heating of granular fuel, the actual energy consumption cost for calculating every carding machine can be with It reduces by more than 50, therefore greatly reduces the production cost of tea grower, solve the problems, such as that tea grower's production cost is high.
During the granular fuel combustor work of the present invention, granular fuel falls into homocline auger from hopper, and homocline auger will be tied It squeezes into block-like granular fuel and is sent out after disperseing, into vertically disposed blanking channel.Blanking channel homocline auger with Cushioning effect is played between pusher auger, when granular fuel enters pusher auger by blanking channel, what pusher auger obtained is Relative distribution, uniform granular fuel, therefore pusher auger can provide balanced granular fuel for combustion chamber.In original state Under, after granular fuel enters combustion chamber, igniter work is ignited, and combustor works normally thereafter, and granular fuel is by source Source is continuously fed to combustion chamber, and the wind of main air blower blowout reaches wind pushing cavity, and pass through and set on inner tube wall by air hose, air inlet box Air pushing hole enough air are provided for combustion chamber, and the flame that granular fuel burning generates is sprayed from bocca into carding machine The heating chamber of main body, control device monitor the temperature of heating chamber by temperature sensor, and according to the temperature control of heating chamber The running parameter of relevant device, fires granular fuel on the granular fuels combustors such as homocline auger processed, pusher auger and main air blower Burning machine keeps the working condition of a certain stabilization;The burner that the present invention is horizontally installed on hull outside can facilitate and carding machine Main body is docked.In addition, the present invention completes the conveying work of granular fuel using two augers being arranged in parallel up and down jointly Make, after the granular fuel fallen from hopper enters homocline auger, lead in the stirring action of homocline auger and vertically disposed blanking Under the cushioning effect in road, it is resolved because granular fuel caking etc. causes to feed non-uniform problem, below homocline auger Pusher auger can provide balanced fuel for burner, enable the burning equilibrium of burner, continuously carry out, solve existing The particle fuel combustion device of technology can not achieve balanced feeding, so as to influence the stable fire of burner the problem of, this hair Bright granular fuel combustor can provide the heat source of Wen Ding for carding machine main body, so that it is guaranteed that tea carding quality.
Preferably, tealeaves rollway is equipped with tealeaves transport mechanism, being equipped with below the discharge port of tealeaves rollway can turn Dynamic tea-leaf weighing accumulator tank, the tealeaves transport mechanism include two tealeaves conveyer belts being arranged on tealeaves rollway, Preceding tealeaves conveyer belt close to main body is horizontally disposed with, and the rear tealeaves conveyer belt away from main body is obliquely installed, rear tealeaves transmission The discharge end of band is located above the feed end of preceding tealeaves conveyer belt, and the feed end of rear tealeaves conveyer belt is less than rear tealeaves conveyer belt Discharge end, the discharge end top of front and rear tealeaves conveyer belt are equipped with material toggling round brush, brush roll and the rotation of tealeaves conveyer belt contact position Direction is identical with the tealeaves direction of transfer of tealeaves conveyer belt.Its tealeaves transport mechanism of the tealeaves rollway of the prior art uses one Tealeaves conveyer belt, this transmission mode is although simple in structure, but can not accomplish uniformly to transmit tealeaves, due to the tea of the present invention Leaf direction of transfer is consistent with the length direction of slot pot, and the uneven tea amount that can be caused in every bar groove pot of the tealeaves on conveyer belt is not Unanimously, so as to influencing tea frying quality.And the present invention is divided to two sections of transmission tealeaves using two conveyer belts, tealeaves is in previous transmission There is nature peptizaiton when band falls into latter conveyer belt, it, can be in addition peptizaiton of former and later two material toggling round brush to tealeaves It is effectively that tealeaves is evenly distributed, so that being substantially the same per the tealeaves in bar groove pot, improve tea frying quality.
Preferably, being additionally provided with roller frame above main body, roller frame is equipped with quantity and the corresponding pressure of slot pot item number Roller, the pressure roller is cylinder, and the length of pressure roller is adapted with the length of slot pot, and the diameter of pressure roller is wide less than the opening of slot pot Degree, roller frame are equipped with pressure roller elevating mechanism, and pressure roller both ends are connected by being flexibly connected rope with the pressure roller elevating mechanism, institute The pressure roller elevating mechanism stated is arranged on roller frame, and roller frame is horizontal equipped with lifting motor and the quantity rectangle consistent with slot pot item number Shelves, the spacing of crosspiece is identical with the spacing of slot pot, and the both ends of every crosspiece are equipped with lifting rolling wheel, and lifting motor passes through driver Structure connection lifting rolling wheel, lifts the crosspiece below rolling wheel and is equipped with the pilot hole for running through crosspiece, the pilot hole is arranged below The surface of corresponding slot pot oscillation center, the flexible connection restrict one end on lifting rolling wheel, and the other end is passed through and led It is connected to hole with pressure roller.The present invention granular fuel carding machine remove with ordinary tea leaves carding machine basic function, can conduct Tea carding machine is additionally provided with roller frame, roller frame is equipped with quantity and slot pot item number is corresponding outside above main body Pressure roller, in use, can be during tealeaves carries out manage bar operation, pressure roller is put into slot pot, pressure roller meeting by separated in time It, so can be to the certain pressure of the application of the tealeaves in slot pot as the swing of slot pot rolls around in slot pot.Entirely managing It is repeated several times pressure roller being put into the action of slot pot during item, each pressure roller stops the shorter time in slot pot(Usually 3-8 seconds), it so that tealeaves forms sheet as early as possible, can so make the manage bar effect of raising tealeaves, shorten the manage bar time, so as to Solve the problems, such as that the tea carding machine manage bar effect of the prior art is poor.Further, since tealeaves during manage bar is softer, easily press Flat, therefore, it is different from the compression moulding stage in later stage that the manage bar stage applies tealeaves stressed this method, using in short-term Between, the method gently pressed of intermittence.
The pressure roller of the present invention corresponds up and down with slot pot, convenient that pressure roller is smoothly put into slot under slot pot swing state Pot, pilot hole are arranged below may insure this point directly over corresponding slot pot oscillation center, and corresponding groove pot here refers to Be that bar groove pot corresponding with above and below pressure roller, so in the case where slot pot is in swing state, pressure roller, which is put down, also can smoothly enter Corresponding slot pot.Flexible connection rope can ensure pressure roller freely rolled in slot pot and from the influence of connecting rope.In addition, this hair All lifting rolling wheels on bright roller frame rotate synchronously, the equal synchronization lifting of all pressure rollers.
Preferably, being respectively equipped with an electrode plate on the downside of crosspiece both ends, the pressure roller includes cylindric cotton jacket And the heat conduction grains of sand in cotton jacket are filled in, the axial centre of pressure roller is equipped with electrically heated rod, and the both ends of electrically heated rod are extended Cotton jacket forms outrigger shaft, and outrigger shaft is equipped with supply rings, and the outer end of outrigger shaft is equipped with movable loop, movable loop with it is soft Property connecting rope fix, pressure roller rise when, the supply rings at pressure roller both ends are abutted with the electrode plate at crosspiece both ends, and electrically heated rod passes through confession Electric ring, electrode plate are connected with heating power supply;The electrode plate lower face is arc-shaped, and arcwall face is raised in arc equipped with several The conductive contact in shape face, the heating power supply are low-tension supply.Filling thermal conductive sand in the cotton jacket of the technical program pressure roller Grain, the center of pressure roller are equipped with electrically heated rod, when pressure roller rises, can be powered to electrically heated rod, the heat conduction grains of sand are heated to one Fixed temperature, when such pressure roller is put into slot pot, pressure roller carries out tealeaves two sides heating with slot pot and suppresses, and can improve compacting effect Fruit promotes tea quality.Here movable loop can rotate on outrigger shaft, so as to further avoid flexible connection rope to pressure The influence that roller rolls.The arcwall face of electrode plate lower end has guiding role, and the supply rings on pressure roller can be made when pressure roller rises It is smoothly contacted with electrode plate;Multiple conductive contacts on arcwall face can be avoided with Multi-contact supply rings due to residual on supply rings Leaving tealeaves piece etc. causes electrode plate and supply rings loose contact and influences the heating of pressure roller, and heating power supply can using low-tension supply To ensure safety in production.
Preferably, the groove cross section of slot pot takes the shape of the letter U, the opening width of U-shaped groove is 130 to 170 millimeters, and U-shaped is recessed Groove depth is 1.05 to 1.15 times of opening width slot, and the diameter of the pressure roller is the 30% to 35% of slot pot opening width.It is transversal Face U-lag pot is conducive to pressure roller and is smoothly rolled in its bottom, avoids pressure roller because of bounce and damages tealeaves by pressure, influences tea quality.
Preferably, homocline auger is sequentially connected and is formed by the shaft-driven input section of same auger, homocline section and deferent segment, The length of the homocline section is less than input section and the length of deferent segment, and input section is consistent with the auger piece rotation direction of deferent segment, homocline The auger piece rotation direction and the auger piece of input section and deferent segment of section are oppositely oriented;Rod for stiring materials is fixed on the screw-conveyer-shaft of deferent segment, Rod for stiring materials is equipped with the runner that can be rotated around rod for stiring materials, and the periphery of runner is extended with to be tilted and its end is separate with runner sagittal plane The material toggling piece of rod for stiring materials, the center line of the material toggling piece length direction and the axis antarafacial of rod for stiring materials, the material toggling piece are two A, the initiating terminal of two material toggling pieces is symmetricly set on the both ends of runner diameter, and the extending direction of two material toggling pieces is opposite.
Homocline auger is divided into three sections, the packing auger blade rotation direction of interlude is with other two sections on the contrary, in this way, working as granular fuel When being pushed to this section, reversed impetus is played granular fuel in this section of meeting, this reversed when the flow of granular fuel is larger Promote the obstruction power formed larger so that granular fuel is increased by difficulty;On the contrary, when the flow of granular fuel is smaller, instead To auger to granular fuel hinder power it is smaller, granular fuel easily by.In this way, homocline auger plays the work of balanced transmission With.In addition, fixing rod for stiring materials on the screw-conveyer-shaft of deferent segment, rod for stiring materials has toggle action to granular fuel when screw-conveyer-shaft rotates, The granular fuel that may be lumpd after being so squeezed by the reversed auger of homocline section, which is dialled, to be dissipated, and it is suitable to be conducive to granular fuel Profit is able to balanced conveying into pusher auger.In addition, the runner that can be rotated around rod for stiring materials, the periphery of runner are set on rod for stiring materials It sets and runner sagittal plane tilts and material toggling piece of its end away from rod for stiring materials, in this way, two material toggling pieces can when screw-conveyer-shaft rotates With multi-faceted agitation granular fuel, so as to further function as discrete particles fuel, the purpose of equilibrium conveying.Here material toggling length of a film The center line in direction and the axis antarafacial of rod for stiring materials are spent, refers to material toggling piece length direction and the existing offset radially of rod for stiring materials, There is circumferential direction again(Tangential direction)On offset.The extending direction of two material toggling pieces is on the contrary, refer to a material toggling piece to the outer of auger Wall direction extends, another material toggling piece extends to the direction of screw-conveyer-shaft.
Preferably, homocline auger is driven with pusher auger by same driving motor, driving motor passes through gear drive machine Structure is connected with homocline auger and pusher auger, and the diameter of homocline auger is identical with pusher auger, and the rotating speed of homocline auger is pusher 1.05 to 1.1 times of auger.Since granular fuel is likely to occur caking after storage, granular fuel is being fallen into There are the situation of inlet amount unevenness during material auger, inlet amount sometimes may be on the low side, therefore in order to ensure equilibrium is fed, The rotating speed of material auger is larger than pusher auger, can so solve inlet amount caused by granular fuel caking to a certain extent Problem on the low side realizes the purpose of balanced feeding.
Preferably, helical form partition is equipped in wind pushing cavity, adjacent helical form partition and the barrel structure of interior barrel and an external barrel Cyclization is around the spiral duct of inner cylinder, and the spiral duct is three, the air intake connection air inlet box of spiral duct, spiral duct Endcapped, the air supply direction of the air pushing hole is in the tangential direction of inner cylinder circumference, and air pushing hole distribution density is from spiral wind Road air intake to the end of spiral duct gradually increases;The inner wall of the inner cylinder is equipped with the helical form rib of protrusion, helical form The position of rib is corresponding with helical form partition, and the height of projection of helical form rib is 5 to 10 millimeters.
Wind pushing cavity is separated into three spiral ducts around inner cylinder, in this way, when main air blower is by entering the wind box as wind pushing cavity During air feed, air-flow will in the shape of a spiral be rotated around inner cylinder, in this way, fresh air enters combustion chamber from the air pushing hole on inner tube wall Afterwards, the swirling eddy around burning can be formed so that the flow path of air-flow increases, and extends with the time of contact of fuel so that Oxygen in air is fully utilized, and granular fuel is made fully to burn, and so as to improve the efficiency of combustion of granular fuel, subtracts simultaneously The discharge of few flue dust, solves that the particle fuel combustion device efficiency of combustion of the prior art is low, and soot emissions are big, environmental pollution is serious The problem of.And end of the air pushing hole distribution density from spiral duct air intake to spiral duct gradually increases, and can make combustion chamber The air quantity of front and rear section is uniform, is conducive to improve efficiency of combustion.In addition, it is set on the inner wall of inner cylinder corresponding with helical form partition Helical form rib can further guide air-flow to rotate in the shape of a spiral in the combustion chamber so that and the flow path of air-flow increases, with The time of contact of fuel extends, simultaneously because aflame granular fuel lighter in weight, swirling eddy can be to a certain extent The indoor granular fuel that burns is promoted, it is made integral-rotation or overturning occur, reaches and constantly stirs the indoor particle combustion of burning The effect of material so can be such that the granular fuel in combustion chamber is equably come into full contact with air, be fully burned, so as to carry The combustion rate of high granular fuel, while the discharge of flue dust can be reduced.
Preferably, bocca is equipped with flame-guiding hood, the flame-guiding hood is in pre-small post-large megaphone-shaped, and flame-guiding hood passes through It is arranged on the support plate of horn mouth one end and is fixed on bocca, and the horn mouth internal diameter of flame-guiding hood is more than the outer diameter of bocca, Annular secondary air inlet is formed between horn mouth and bocca;The inner wall of the flame-guiding hood is equipped with the floor of protrusion, floor Length direction it is consistent with the length direction of flame-guiding hood.Flame-guiding hood not only can forward be sprayed with pilot flame, and flame-guiding hood with Fresh air can be imported flame-guiding hood by the secondary air inlet between bocca, be mixed with the flame in flame-guiding hood, so in fire Imperfect combustion biomass fuel pellet or carbon granule can fully burn after contacting with the air in flame, be conducive to improve burning effect Rate reduces soot emissions.In addition, under conditions of air feed is rotated, the flame that bocca sprays is rotation status, this causes to spray Flame scatter quickly, it is impossible to reach place farther out, since carding machine is relatively long, the flame excessively concentrated may cause plus The hot-spot of hot chamber so as to influence the heating effect to slot pot, and sets the floor of protrusion on the inner wall of flame-guiding hood, these Floor can stop the rotation of flame, and flame can be made to spray larger distance, be heated evenly heating chamber.
Preferably, heating chamber, integrally in cuboid, top is equipped with heat conduction tablet, and heating tube is rectangular tube, uniformly It is arranged on the heat conduction tablet at the top of heating chamber, the one side that heating chamber is connected with granular fuel combustor is equipped with fires with granular fuel The circular connector of burning machine flame device adaptation, the bottom of heating chamber are equipped with ash hole, the one side that heating chamber is connected with heating tube Its bottom is inclined upwardly to form wedge structure, and smoke exhaust pipe is vertically arranged in the one side of the close granular fuel combustor of main body, The top of smoke exhaust pipe is equipped with exhaust smoke hole.The cavity of cuboid is adapted with the shape of slot pot, and the heat conduction tablet at top can also Heat effect is played, the heating tube of rectangle can be conveniently fixed on heat conduction tablet, and is conducive to heat exchange, heating chamber One side form wedge structure and play hot-fluid guiding role, be conducive to the export of heat, and the opposite side of heating chamber then sets one Opening is docked with granular fuel combustor.And flue can also be set to discharge exhaust gas outside production site on exhaust smoke hole, avoid cigarette Dirt influences tea processing;For the present invention due to high combustion efficiency, exhaust smoke hole flue dust is seldom in actual work, can be not provided with completely It is used in the case of flue.
Preferably, be connected with auxiliary air hose on the air hose of main air blower, auxiliary air hose connection pusher auger, in pusher auger Airflow direction it is consistent with the feed direction of pusher auger;Igniter includes ignition and igniting wind turbine, wind turbine of lighting a fire Air outlet connection lighting-up tuyere;Granular fuel combustor bottom four corners are set there are four universal wheel, the bottom of universal wheel and housing it Between be equipped with elevation and subsidence regulating device.Main air blower can prevent combustion chamber by the way that air hose is aided in provide certain air quantity to pusher auger High temperature ignites positioned at the granular fuel of the pusher auger port of export.The heating unit of ignition is arranged at lighting-up tuyere, is powered Generate heat igniting particles fuel afterwards, and igniting wind turbine provides enough air, usual particle combustion for ignition igniting particles fuel After material ignites, ignition is stopped, and wind turbine of lighting a fire can work on as combustion chamber air feed, while can also avoid Ashes obstruction lighting-up tuyere after granular fuel burning.Universal wheel can make granular fuel combustor side with elevation and subsidence regulating device cooperation Just connected with carding machine main body with separating.
The beneficial effects of the invention are as follows:The tea carding machine that it efficiently solves the prior art is processed using electric heating, is held Easily cause the tea carding machine power consumption that time delays causes economic loss and the prior art big in Tea Production, production cost The problem of high, the present invention using granular fuel heating, time delays will not be caused in Tea Production and production cost is low, manage bar Effect is good, has very high practical value.
Description of the drawings
Fig. 1 is a kind of structure diagram of granular fuel carding machine of the present invention;
Fig. 2 is a kind of internal dimensional structure diagram of granular fuel combustor of the present invention;
Fig. 3 is a kind of internal dimensional structure diagram of granular fuel combustor of the present invention;
Fig. 4 is a kind of internal structure schematic diagram of granular fuel combustor of the present invention;
Fig. 5 is a kind of right side structural representation of Fig. 4;
Fig. 6 is a kind of left view structural representation of Fig. 4;
Fig. 7 is a kind of structure sectional view of granular fuel combustor homocline auger of the present invention;
Fig. 8 is a kind of partial enlarged view of Fig. 7;
Fig. 9 is a kind of structure sectional view of granular fuel combustor burner of the present invention;
Figure 10 is another structure sectional view of granular fuel combustor burner of the present invention;
Figure 11 is a kind of structure sectional view of granular fuel combustor burner and flame-guiding hood of the present invention;
Figure 12 is a kind of structure diagram of granular fuel carding machine main body of the present invention;
Figure 13 is a kind of side view when granular fuel carding machine pressure roller of the present invention rises;
Figure 14 is a kind of side view when granular fuel carding machine pressure roller of the present invention puts down half height;
Figure 15 is a kind of partial structural diagram of granular fuel carding machine pressure roller elevating mechanism of the present invention;
Figure 16 is a kind of side view of granular fuel carding machine pressure roller elevating mechanism of the present invention;
Figure 17 is another side view of granular fuel carding machine pressure roller elevating mechanism of the present invention;
Figure 18 is a kind of sectional view of granular fuel carding machine pressure roller of the present invention;
Figure 19 is a kind of sectional view of granular fuel carding machine heating chamber of the present invention.
In figure:1. granular fuel combustor, 2. main air blowers, 3. hoppers, 4. homocline augers, 5. blanking channels, 6. pushers twist Dragon, 7. burners, 8. inner cylinders, 9. outer barrels, 10. end plates, 11. charging holes, 12. lighting-up tuyeres, 13. boccas, 14. combustion chambers, 15. wind pushing cavity, 16. air inlet boxes, 17. air pushing holes, 18. input sections, 19. homocline sections, 20. deferent segments, 21. rod for stiring materials, 22. turns Wheel, 23. material toggling pieces, 24. driving motors, 25. gear drives, 26. helical form partitions, 27. helical form ribs, 28. lead flame Cover, 29. support plates, 30. secondary air inlets, 31. floors, 32. ignitions, 33. igniting wind turbines, 34. universal wheels, 35. shells Body, 36. exhaust smoke holes, 37. heat conduction tablets, 38. smoke exhaust pipes, 39. heating tubes, 40. heating chambers, 41. slot pots, 42. tealeaves rollways, 43. tea-leaf weighing accumulator tank, 44. roller frames, 45. pressure rollers, 46. flexible connections are restricted, tealeaves conveyer belt before 47., tealeaves passes after 48. Send band, 49. material toggling round brush, 50. lifting motors, 51. rectangle crosspieces, 52. lifting rolling wheels, 53. cotton jackets, 54. connectors, 55. electrode plate, the 56. heat conduction grains of sand, 57. electrically heated rods, 58. supply rings, 59. movable loops, 60. conductive contacts, 61. stents, 62. control device, 63. main bodies, 64. synchronous belts, 65. synchronizing wheels, 66. ash holes.
Specific embodiment
The specific embodiment of technical solution of the present invention is made further below by way of examples and with reference to the accompanying drawings It is bright.
Embodiment 1
In embodiment 1 as shown in Figure 1, a kind of granular fuel carding machine, including main body 63 and on main body Swing type slot pot, the groove cross section of the slot pot takes the shape of the letter U, and the opening width of U-shaped groove is 130 to 170 millimeters(This implementation Example is 155 millimeters), U-shaped depth of groove is 1.05 to 1.15 times of opening width slot(The present embodiment is 1.1 times), the host The rear side of body is equipped with tealeaves rollway 42, and the lower section of the slot pot 41 is additionally provided with heating chamber 40(See Figure 19), the left side of heating chamber It is connected with granular fuel combustor 1, the right side of heating chamber passes through 7 heating tubes being arranged between slot pot and heating chamber 39 and row Smoke pipe 38 is connected, and temperature sensor is additionally provided in heating chamber;The granular fuel combustor includes housing 35, conveying system, combustion Burner and main air blower 2(See Fig. 2-Fig. 6), the conveying system includes hopper 3 and the homocline auger 4 that is connected with hopper outlet, The output terminal of material auger is connected by the blanking channel 5 being vertically arranged with the pusher auger 6 being arranged below homocline auger, pusher The output terminal of auger is connected with burner 7, and the burner is arranged on hull outside, including a horizontally disposed double-layer structure circular Cylinder(See Fig. 9), the inner cylinder 8 and outer barrel 9 of the cylinder are coaxially arranged, and the rear end of inner cylinder is equipped with end plate 10, the top of end plate Equipped with charging hole 11, the output terminal of pusher auger is connected with charging hole, and the lower part of end plate is equipped with lighting-up tuyere 12, after lighting-up tuyere Side is equipped with igniter, and the front end of inner cylinder is equipped with bocca 13, and the inner cavity of inner cylinder forms granular fuel combustion chamber 14, inner cylinder with it is outer Cavity forms wind pushing cavity 15 between cylinder, and the wind pushing cavity is closed close to the front end of inner cylinder bocca, and the rear end of wind pushing cavity passes through one Air inlet box 16 is connected with the main air blower, air pushing hole 17 of the barrel equipped with connection combustion chamber and wind pushing cavity of inner cylinder, described Grain fuel carding machine further includes control device 62(See Figure 12), the control device connection temperature sensor and granular fuel burn Machine.
Tealeaves rollway is equipped with tealeaves transport mechanism, claims below the discharge port of tealeaves rollway equipped with rotatable tealeaves Accumulator tank 43 is measured, the tealeaves transport mechanism includes two tealeaves conveyer belts being arranged on tealeaves rollway, close to host The preceding tealeaves conveyer belt 47 of body is horizontally disposed, and the rear tealeaves conveyer belt 48 away from main body is obliquely installed, rear tealeaves conveyer belt Discharge end is located above the feed end of preceding tealeaves conveyer belt, and the feed end of rear tealeaves conveyer belt is less than the discharging of rear tealeaves conveyer belt End, the discharge end top of front and rear tealeaves conveyer belt are equipped with material toggling round brush 49, brush roll and the rotation side of tealeaves conveyer belt contact position To identical with the tealeaves direction of transfer of tealeaves conveyer belt.
For heating chamber integrally in cuboid, top is equipped with heat conduction tablet 37, and heating tube is rectangular tube, is evenly arranged in and adds On the heat conduction tablet of hot top of chamber, the one side that heating chamber is connected with granular fuel combustor is equipped with and granular fuel combustor flame The circular connector 54 of device adaptation, the bottom of heating chamber are equipped with ash hole 66, its bottom of the one side that heating chamber is connected with heating tube Portion is inclined upwardly to form wedge structure, and smoke exhaust pipe is vertically arranged in the one side of the close granular fuel combustor of main body, smoke evacuation The top of pipe is equipped with exhaust smoke hole 36.
It is connected with auxiliary air hose on the air hose of main air blower, auxiliary air hose connection pusher auger, the air-flow side in pusher auger To consistent with the feed direction of pusher auger;Igniter includes ignition 32 and igniting wind turbine 33, wind turbine of lighting a fire go out Air port connects lighting-up tuyere;Granular fuel combustor bottom four corners are set there are four universal wheel 34, between universal wheel and the bottom of housing Equipped with elevation and subsidence regulating device.
Embodiment 2
The granular fuel combustor homocline auger of embodiment 2 by the shaft-driven input section 18 of same auger, homocline section 19 and Deferent segment 20 is sequentially connected composition, and the length of the homocline section is less than input section and the length of deferent segment, input section and deferent segment Auger piece rotation direction it is consistent, the auger piece rotation direction and the auger piece of input section and deferent segment of homocline section are oppositely oriented;Deferent segment Be fixed with rod for stiring materials 21 on screw-conveyer-shaft, rod for stiring materials is equipped with the runner 22 that can be rotated around rod for stiring materials, the periphery of runner be extended with Runner sagittal plane tilts and material toggling piece 23 of its end away from rod for stiring materials(See Fig. 7 Fig. 8), the center of the material toggling piece length direction The axis antarafacial of line and rod for stiring materials, the material toggling piece are two, and the initiating terminal of two material toggling pieces is symmetricly set on runner diameter Both ends, the extending direction of two material toggling pieces is opposite.Homocline auger is driven with pusher auger by same driving motor 24, driving electricity Machine is connected by gear drive 25 with homocline auger and pusher auger, and the diameter of homocline auger is identical with pusher auger, The rotating speed of material auger is 1.05 to 1.1 times of pusher auger, remaining and embodiment 1 are identical.
Embodiment 3
Helical form partition 26 is equipped in the granular fuel combustor wind pushing cavity of embodiment 3(See Figure 10), adjacent helical form Partition and the barrel of interior barrel and an external barrel form the spiral duct around inner cylinder, and the spiral duct is three, spiral duct Air intake connection air inlet box, the endcapped of spiral duct, the air supply direction of the air pushing hole is in the tangential direction of inner cylinder circumference On, end of the air pushing hole distribution density from spiral duct air intake to spiral duct gradually increases;It is set on the inner wall of the inner cylinder There is the helical form rib 27 of protrusion, the position of helical form rib is corresponding with helical form partition, the height of projection of helical form rib For 5 to 10 millimeters(The present embodiment is 8 millimeters), remaining is identical with embodiment 1 or embodiment 2.
Embodiment 4
The granular fuel combustor bocca of embodiment 4 is equipped with flame-guiding hood 28(See Figure 11), the flame-guiding hood is in preceding small Big megaphone-shaped afterwards, flame-guiding hood are arranged on the support plate 29 of horn mouth one end by it and are fixed on bocca, flame-guiding hood Horn mouth internal diameter is more than the outer diameter of bocca, and annular secondary air inlet 30 is formed between horn mouth and bocca;It is described to lead flame The inner wall of cover is equipped with the floor 31 of protrusion, and the length direction of floor is consistent with the length direction of flame-guiding hood, remaining and embodiment 3 It is identical.
Embodiment 5
Roller frame 44 is additionally provided with above the main body of embodiment 5(See Figure 13 Figure 14), roller frame is equipped with quantity and slot pot The corresponding pressure roller 45 of item number, the pressure roller is cylinder, and the length of pressure roller is adapted with the length of slot pot, the diameter of pressure roller It is the 30% to 35% of slot pot opening width(The present embodiment is 33%), equipped with pressure roller elevating mechanism, pressure roller both ends pass through roller frame Flexible connection rope 46 is connected with the pressure roller elevating mechanism, and the pressure roller elevating mechanism is arranged on roller frame, roller frame Equipped with lifting motor 50 and quantity the rectangle crosspiece 51 consistent with slot pot item number, the spacing of crosspiece is identical with the spacing of slot pot, often The both ends of root crosspiece are equipped with lifting rolling wheel 52, and lifting motor connects lifting rolling wheel by transmission mechanism, lifts below rolling wheel Crosspiece is equipped with the pilot hole through crosspiece, and the pilot hole is arranged below the surface of corresponding slot pot oscillation center, institute The flexible connection stated restricts one end on lifting rolling wheel, and the other end is connected through pilot hole with pressure roller.
An electrode plate 55 is respectively equipped on the downside of crosspiece both ends(See Figure 15), the pressure roller includes cylindric cotton jacket 53 and the heat conduction grains of sand 56 that are filled in cotton jacket, the axial centre of pressure roller be equipped with electrically heated rod 57(See Figure 18), electrical heating The both ends of stick extend cotton jacket and form outrigger shaft, and outrigger shaft is equipped with supply rings 58, and the outer end of outrigger shaft is equipped with activity Lantern ring 59, movable loop is fixed with flexible connection rope, when pressure roller rises, the supply rings at pressure roller both ends and the electrode plate at crosspiece both ends It abuts(See Figure 16 Figure 17), electrically heated rod connected by supply rings, electrode plate with heating power supply;The electrode plate lower face is in Arc, arcwall face are equipped with several conductive contacts 60 for being raised in arcwall face, and the heating power supply is low-tension supply, remaining It is identical with embodiment 1 or embodiment 2 or embodiment 3 or embodiment 4.
During the granular fuel carding machine work of the present invention, granular fuel combustor is first opened, granular fuel is fallen into from hopper Homocline auger, homocline auger, which will form after block-like granular fuel extruding disperses, to be sent out, into vertically disposed blanking channel. Blanking channel plays cushioning effect between homocline auger and pusher auger, and granular fuel enters pusher auger by blanking channel When, what pusher auger obtained is relative distribution, uniform granular fuel, in the initial state, after granular fuel enters combustion chamber, Igniter work is ignited, and combustor works normally thereafter, and granular fuel is continuously sent into combustion chamber, main air blower The wind of blowout reaches wind pushing cavity, and passes through the air pushing hole set on inner tube wall and provided enough for combustion chamber by air hose, air inlet box Air, and granular fuel burning generate flame from bocca spray into carding machine main body heating chamber, control device The temperature of heating chamber is monitored by temperature sensor, and homocline auger, pusher auger are controlled according to the temperature requirement of heating chamber And on the granular fuels combustor such as main air blower relevant device running parameter, granular fuel combustor is made to keep the work of a certain stabilization Make state.
On the other hand, the tealeaves for treating manage bar is sent into tealeaves rollway, tealeaves passes on control device control tealeaves rollway Mechanism is sent to rotate, tealeaves is uniformly sent into tea-leaf weighing accumulator tank, when the tealeaves weight in tea-leaf weighing accumulator tank reaches setting During value, control device control tealeaves transport mechanism stops operating, when the temperature of slot pot reaches tea carding requirement, control device Tea-leaf weighing accumulator tank is controlled to rotate tealeaves lead-in groove pot, is swung with time slot pot and manage bar operation is carried out to tealeaves, until tealeaves Manage bar terminates, and swing mechanism is closed in control device control, and slot pot stops swinging, and slot pot jacking apparatus, which works, pushes up the one side of slot pot It rises, the tealeaves in slot pot is poured out, and completes the manage bar work of tealeaves, and then slot pot resets, and is repeated importing tealeaves and is carried out next time Manage bar operation.
In the carding machine operation process that pressure roller is set, it is repeated several times pressure roller being put into slot pot when manage bar carries out and rolls Tealeaves, each pressure roller stop the shorter time in slot pot(Usually 3-8 seconds), so that tealeaves forms sheet as early as possible, this Sample can make the manage bar effect of raising tealeaves, shorten the manage bar time, so as to solve the tea carding machine manage bar effect of the prior art The problem of poor.
When heating unit is provided in pressure roller, pressure roller makes pressure roller rise the pre- hot-pressing roller that is powered before being put into slot pot, after preheating Pressure roller is put into slot pot again and rolls tealeaves, pressure roller carries out tealeaves two sides heating with slot pot and suppresses, and can improve pressing result, Promote tea quality.
In addition to the implementation, in the scope disclosed in claims of the present invention and specification, skill of the invention Art feature or technical data can be reselected and combined, and so as to form new embodiment, these present invention are not detailed The embodiment carefully described is that those skilled in the art can realize easily without creative work, therefore these are not detailed The embodiment of description also should be regarded as specific embodiments of the present invention and within protection scope of the present invention.

Claims (9)

1. a kind of granular fuel carding machine, the swing type slot pot including main body and on main body, it is characterized in that:The master Body(63)Rear side be equipped with tealeaves rollway(42), the slot pot(41)Lower section be additionally provided with heating chamber(40), heating chamber One side and granular fuel combustor(1)It is connected, the opposite side of heating chamber is arranged on by several between slot pot and heating chamber Heating tube(39)With smoke exhaust pipe(38)It is connected, temperature sensor is additionally provided in heating chamber;The granular fuel combustor includes shell Body(35), conveying system, burner and main air blower(2), the conveying system include hopper(3)And it is connected with hopper outlet equal Expect auger(4), the output terminal of homocline auger passes through the blanking channel that is vertically arranged(5)With the pusher being arranged below homocline auger Auger(6)Connection, the output terminal and burner of pusher auger(7)It is connected, the burner is arranged on hull outside, including a water The flat double-layer structure cylinder set, the inner cylinder of the cylinder(8)With outer barrel(9)Coaxially arranged, the rear end of inner cylinder is equipped with end plate (10), the top of end plate is equipped with charging hole(11), the output terminal of pusher auger is connected with charging hole, and the lower part of end plate is equipped with Lighting-up tuyere(12), for the rear side of lighting-up tuyere equipped with igniter, the front end of inner cylinder is equipped with bocca(13), the inner cavity composition of inner cylinder Grain fuel combustion chamber(14), cavity forms wind pushing cavity between inner cylinder and outer barrel(15), the wind pushing cavity is close to inner cylinder bocca Front end is closed, and the rear end of wind pushing cavity passes through an air inlet box(16)It is connected with the main air blower, the barrel of inner cylinder is equipped with connection and fires Burn the air pushing hole of room and wind pushing cavity(17), the granular fuel carding machine further includes control device(62), the control device company Jointing temp sensor and granular fuel combustor;The homocline auger is by the shaft-driven input section of same auger(18), homocline Section(19)And deferent segment(20)Composition is sequentially connected, the length of the homocline section is less than input section and the length of deferent segment, input Section, auger piece rotation direction and input section and the auger piece rotation direction phase of deferent segment of homocline section consistent with the auger piece rotation direction of deferent segment Instead;Rod for stiring materials is fixed on the screw-conveyer-shaft of deferent segment(21), rod for stiring materials is equipped with can be around the runner of rod for stiring materials rotation(22), runner Periphery be extended with and runner sagittal plane tilt and material toggling piece of its end away from rod for stiring materials(23), the material toggling piece length direction Center line and rod for stiring materials axis antarafacial, the material toggling piece is two, and the initiating terminals of two material toggling pieces, which is symmetricly set on, to be turned The both ends of wheel diameter, the extending direction of two material toggling pieces are opposite.
2. granular fuel carding machine according to claim 1, it is characterised in that the tealeaves rollway is equipped with tealeaves Transport mechanism, the discharge port lower section of tealeaves rollway are equipped with rotatable tea-leaf weighing accumulator tank(43), described tealeaves transmission Mechanism includes two tealeaves conveyer belts being arranged on tealeaves rollway, close to the preceding tealeaves conveyer belt of main body(47)Level is set It puts, the rear tealeaves conveyer belt away from main body(48)It is obliquely installed, the discharge end of rear tealeaves conveyer belt is located at preceding tealeaves conveyer belt Feed end above, the feed end of rear tealeaves conveyer belt is less than the discharge end of rear tealeaves conveyer belt, and front and rear tealeaves conveyer belt goes out Material is equipped with material toggling round brush above end(49), the tealeaves of the rotation direction and tealeaves conveyer belt of brush roll and tealeaves conveyer belt contact position Direction of transfer is identical.
3. granular fuel carding machine according to claim 1, it is characterised in that be additionally provided with pressure roller above the main body Frame(44), roller frame is equipped with quantity and the corresponding pressure roller of slot pot item number(45), the pressure roller is cylinder, the length of pressure roller Degree is adapted with the length of slot pot, and the diameter of pressure roller is less than the opening width of slot pot, and roller frame is equipped with pressure roller elevating mechanism, pressure It is restricted by being flexibly connected at roller both ends(46)It is connected with the pressure roller elevating mechanism, the pressure roller elevating mechanism is arranged on pressure roller On frame, roller frame is equipped with lifting motor(50)And the rectangle crosspiece that quantity is consistent with slot pot item number(51), the spacing and slot of crosspiece The spacing of pot is identical, and the both ends of every crosspiece are equipped with lifting rolling wheel(52), lifting motor pass through transmission mechanism connection lifting volume Wheel lifts the crosspiece below rolling wheel and is equipped with the pilot hole for running through crosspiece, and the pilot hole is arranged below corresponding slot pot pendulum The surface at dynamic center, the flexible connection restrict one end on lifting rolling wheel, and the other end connects through pilot hole and pressure roller It connects.
4. granular fuel carding machine according to claim 3, it is characterised in that be respectively equipped on the downside of the crosspiece both ends One electrode plate(55), the pressure roller includes cylindric cotton jacket(53)And it is filled in the heat conduction grains of sand in cotton jacket (56), the axial centre of pressure roller is equipped with electrically heated rod(57), the both ends of electrically heated rod extend cotton jacket and form outrigger shaft, prolong Axis is stretched equipped with supply rings(58), the outer end of outrigger shaft is equipped with movable loop(59), movable loop with flexible connection rope fix, Pressure roller rise when, the supply rings at pressure roller both ends are abutted with the electrode plate at crosspiece both ends, electrically heated rod by supply rings, electrode plate and Heating power supply connects;The electrode plate lower face is arc-shaped, and arcwall face is touched equipped with several conductions for being raised in arcwall face Point(60), the heating power supply is low-tension supply.
5. granular fuel carding machine according to claim 1, it is characterised in that the homocline auger and pusher auger by Same driving motor(24)Driving, driving motor pass through gear drive(25)It is connected with homocline auger and pusher auger, Expect that the diameter of auger is identical with pusher auger, the rotating speed of homocline auger is 1.05 to 1.1 times of pusher auger.
6. granular fuel carding machine according to claim 1, it is characterised in that be equipped in the wind pushing cavity helical form every Piece(26), adjacent helical form partition and the barrel composition of interior barrel and an external barrel are around the spiral duct of inner cylinder, the spiral wind Road is three, the air intake connection air inlet box of spiral duct, the endcapped of spiral duct, and the air supply direction of the air pushing hole exists In the tangential direction of inner cylinder circumference, end of the air pushing hole distribution density from spiral duct air intake to spiral duct gradually increases; The inner wall of the inner cylinder is equipped with the helical form rib of protrusion(27), the position of helical form rib is corresponding with helical form partition, The height of projection of helical form rib is 5 to 10 millimeters.
7. granular fuel carding machine according to claim 1, it is characterised in that the bocca is equipped with flame-guiding hood (28), the flame-guiding hood is in pre-small post-large megaphone-shaped, and flame-guiding hood is arranged on the support plate of horn mouth one end by it(29) It is fixed on bocca, the horn mouth internal diameter of flame-guiding hood is more than the outer diameter of bocca, and ring is formed between horn mouth and bocca Shape secondary air inlet(30);The inner wall of the flame-guiding hood is equipped with the floor of protrusion(31), the length direction and flame-guiding hood of floor Length direction it is consistent.
8. according to claim 1-7 any one of them granular fuel carding machines, it is characterised in that heating chamber is in integrally cuboid Shape, top are equipped with heat conduction tablet(37), heating tube is rectangular tube, is evenly arranged on the heat conduction tablet at the top of heating chamber, adds The one side that hot chamber is connected with granular fuel combustor is equipped with the circular connector being adapted to granular fuel combustor flame device (54), the bottom of heating chamber is equipped with ash hole(66), its bottom of one side that heating chamber is connected with heating tube is inclined upwardly to form wedge Shape structure, smoke exhaust pipe are vertically arranged in the one side of the close granular fuel combustor of main body, and the top of smoke exhaust pipe is equipped with smoke evacuation Hole(36).
9. according to claim 1-7 any one of them granular fuel carding machines, it is characterised in that connected on the air hose of main air blower There is an auxiliary air hose, auxiliary air hose connection pusher auger, the airflow direction in pusher auger is consistent with the feed direction of pusher auger; Igniter includes ignition(32)And igniting wind turbine(33), the air outlet connection lighting-up tuyere for wind turbine of lighting a fire;Granular fuel Combustor bottom four corners are set there are four universal wheel(34), elevation and subsidence regulating device is equipped between universal wheel and the bottom of housing.
CN201410767800.6A 2014-12-12 2014-12-12 Granular fuel carding machine Active CN105076513B (en)

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CN109610154A (en) * 2018-11-22 2019-04-12 浙江波罗蜜新材料有限公司 Hot-cutting device is used in a kind of processing of chemical fabric
CN114216121B (en) * 2021-12-16 2022-08-30 湖州织里长和热电有限公司 Energy-saving efficient boiler variable-speed combustion system

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CN2221868Y (en) * 1995-07-19 1996-03-13 刘国方 Tea leaves heating and stirring machine using coal or firewood
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