CN115415280B - Treatment device and method for straw recycling - Google Patents
Treatment device and method for straw recycling Download PDFInfo
- Publication number
- CN115415280B CN115415280B CN202211124848.6A CN202211124848A CN115415280B CN 115415280 B CN115415280 B CN 115415280B CN 202211124848 A CN202211124848 A CN 202211124848A CN 115415280 B CN115415280 B CN 115415280B
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- dust
- screen
- screen drum
- dust collecting
- shaft
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- 239000010902 straw Substances 0.000 title claims abstract description 88
- 238000004064 recycling Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims description 8
- 239000000428 dust Substances 0.000 claims abstract description 156
- 238000007599 discharging Methods 0.000 claims abstract description 38
- 239000012535 impurity Substances 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 53
- 239000007921 spray Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 23
- 239000002245 particle Substances 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 3
- 238000003672 processing method Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a processing device for straw recycling, which belongs to the technical field of straw recycling and comprises a header, wherein the front end of the header is provided with a reciprocating blade, the lower end of the header is rotationally connected with a spiral roller, the lower end of the header is provided with a transmission device for transmitting straw, the lower end of the transmission device is provided with a dust removal rotary screen, the dust removal rotary screen comprises a receiving box, the discharging end of the transmission device is positioned at the upper end of the receiving box, the side wall of the receiving box is rotationally connected with a screen drum, the side wall of the screen drum is provided with a plurality of screen holes, the screen drum is communicated with the side wall of the receiving box, one end of the screen drum far away from the receiving box is rotationally connected with a discharging box, the receiving box and the discharging box are fixed with the outer end, and the screen drum is communicated with the inside of the discharging box; the invention effectively solves the problems that the existing dust removal rotary screen can remove dust on the surface of the straw when in work, and the dust is wrapped by the straw and continuously moves, so that dust impurities cannot be removed cleanly.
Description
Technical Field
The invention relates to the technical field of straw recycling, in particular to a processing device and a processing method for straw recycling.
Background
In summer and autumn and winter, a large amount of straws such as wheat and corn are burnt in the field, so that a large amount of dense smoke is generated, and the straw is not only a bottleneck problem of rural environment protection, but also a culprit of urban environment. According to the statistics, 7 hundred million tons of straw can be produced annually as a large agricultural country, and the straw becomes waste which is not very useful but must be disposed of; crop straws belong to a precious biomass energy resource in an agricultural ecological system. The comprehensive utilization of crop straw resources is significant for promoting the increment of income of farmers, protecting environment, saving resources and sustainable development of agricultural economy.
The existing straw recycling treatment equipment is characterized in that when straw recycling is carried out, as the straw is the lower half part left after harvesting and is in direct contact with the ground, in the crop growth process, rainwater drops on the ground, a large amount of soil is coated at the lower end and the root of the straw, if the straw is required to be subjected to pelletization, the straw is required to be screened firstly, a semi-closed high-efficiency dust removal rotary screen is generally adopted for screening the straw, the effect of dust lift can be reduced to a certain extent by adopting the semi-closed arrangement of the conventional dust removal rotary screen, but small part of dust can be caused when the equipment is advanced to throw impurities, and secondly the dust removal rotary screen can remove the dust on the surface of the straw during working, but the straw is more, the straw is still led to be wrapped with dust to move continuously, so that the problem that dust and impurities cannot be removed cleanly is caused.
Disclosure of Invention
The invention aims to provide a processing device and a processing method for recycling straw, wherein air is filled into an air shaft through an existing blower, so that dust impurities which are fallen in a dust removing rotary screen can be blown by air sprayed out of air holes, the impurities and the dust can efficiently pass through sieve holes on a sieve drum and are discharged from the sieve holes into a dust collecting device, the problem that the dust impurities are wrapped and clamped by the straw and cannot be discharged efficiently is solved, the straw is blown by further high-pressure air, the straw is scattered and scattered, friction extrusion is increased between the straw, and the dust impurities on the surface of the straw are removed more rapidly and thoroughly.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a processing apparatus for straw recycle, includes the header, the header front end has reciprocating blade, the header lower extreme rotates and is connected with helical drum, the header lower extreme is provided with the transmission device who is used for transmitting straw, the transmission device lower extreme is provided with dust removal sieve that rotates, dust removal sieve that rotates includes connects the magazine, transmission device arranges the material end and is located and connect the magazine upper end, connect the magazine lateral wall to rotate and be connected with the screen drum, a plurality of sieve meshes have been seted up to the screen drum lateral wall, screen drum and connect the magazine lateral wall intercommunication, the one end that connects the magazine was kept away from to the screen drum rotates and is connected with the box of unloading, connect magazine and box of unloading to be fixed with the outer end, screen drum and the inside intercommunication of box of unloading, screen drum central authorities coaxial arrangement has the gas axle, gas axle both ends respectively fixed connection are on connecing the magazine and the box of unloading, the gas hole has been seted up to the gas axle lateral wall along its axis fixedly connected with screw plate, the screen drum outer end is provided with the dust collection device that is used for gathering, the screen drum outer end is provided with the dust collection device, the power that is used for driving drum to rotate.
As a further scheme of the invention, the dust collecting device comprises a dust collecting ring shell which is fixedly connected to the material receiving box and the material discharging box, one end of the lower end of the dust collecting ring shell is high, the other end of the lower end of the dust collecting ring shell is low, and a dust settling device is arranged between the dust collecting ring shell and the screen drum.
As a further scheme of the invention, the dust settling device comprises a plurality of water shafts, the water shafts are annularly arranged around the outer wall of the screen drum along the axis of the screen drum, the water shafts are fixedly arranged on the material receiving box and the material discharging box, a plurality of spray heads are arrayed along the axis of each water shaft, the axes of the spray heads are radial along the axis of the screen drum, a circular pipe is fixedly arranged on the water shafts together, the circular pipe is communicated with the inside of the water shafts, the upper end of the circular pipe is fixedly connected with an elbow pipe, the elbow pipe is communicated with the circular pipe, and the elbow pipe penetrates through the dust collecting ring shell.
As a further scheme of the invention, the power device comprises a bevel gear ring plate, wherein the outer end of the bevel gear ring plate is meshed with a bevel gear, the center of the bevel gear is coaxially and fixedly connected with a driving shaft, the driving shaft penetrates through the dust collecting ring shell and is in rotary connection with the dust collecting ring shell, and the driving shaft is vertically upwards.
As a further scheme of the invention, one ends of the receiving box and the discharging box, which are close to the screen drum, are small, one ends of the receiving box and the discharging box, which are far away from the screen drum, are large, and the lower end of the discharging box is provided with an opening and closing device for intermittent discharging.
As a further scheme of the invention, the opening and closing device comprises a baffle plate, the baffle plate is obliquely and upwards connected in the unloading box in a rotating way, the bottommost end of the baffle plate is fixedly provided with a transverse shaft, the transverse shaft penetrates through the side wall of the unloading box and is rotationally connected with the unloading box, the transverse shaft penetrates through two ends of the unloading box and is sleeved with torsion springs, one ends of the torsion springs are fixedly arranged on the transverse shaft, the other ends of the torsion springs are fixedly arranged on the side wall of the unloading box, one end, far away from the transverse shaft, of the baffle plate is provided with an electromagnetic rod, and the electromagnetic rod is fixedly arranged on the side wall of the unloading box.
As a further proposal of the invention, the lower end of the discharging box is fixedly provided with a material guiding plate, the lower end of the material guiding plate is provided with a grain making machine, the material guiding plate is positioned at a feeding port of the grain making machine, the lower end of the grain making machine is provided with a feeding device capable of feeding materials in a rotating way,
a straw recycling method comprises the following specific steps:
step one: before the invention is used, the device is assembled and is mounted on the existing tractor carrier, the device does not have a power source and can work only by means of the carrier power, and the existing blower device is driven by the carrier to transmit high-pressure air to one end of the air shaft;
step two: the existing blower fills air into the air shaft, so that the dust impurities which are fallen off in the dust removing rotary screen are blown by the air sprayed out of the air holes and discharged from the screen holes into the dust collecting device, the dust impurities are prevented from being wrapped by the straws, the friction extrusion among the straws is increased, and the dust impurities on the surface of the straws are removed more rapidly and thoroughly;
step three: the high-pressure water flow is led into the water shaft and is sprayed out from the spray head of the water shaft, and spray is formed in the cavity between the screen drum and the dust collecting ring shell, so that dust in the cavity between the screen drum and the dust collecting ring shell is wetted and condensed, and is discharged out of the equipment, and the problem that dust is directly discharged out of the equipment by conventional equipment and is easily caused;
step four: the electromagnetic rod is opened and closed at regular time, so that the baffle is intermittently opened and closed around the transverse shaft, the discharge box can be intermittently opened, and the problem that dust is wrapped and clamped by straws and cannot be discharged due to insufficient air pressure in the screen cylinder caused by the normally open state of the discharge end of the screen cylinder is avoided.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the air is filled into the air shaft through the existing air blower, so that the fallen dust impurities in the dust removing rotary screen are blown by the air sprayed out of the air holes, the impurities and the dust can efficiently pass through the sieve holes on the screen drum and are discharged from the sieve holes to enter the dust collecting device, the problem that the dust impurities are wrapped by the straw and cannot be efficiently discharged is avoided, the straw is blown by the further high-pressure air, the straw is scattered, friction extrusion is increased between the straw, and the dust impurities on the surface of the straw are removed more rapidly and thoroughly.
2. The high-pressure water flow is led into the water shaft and is sprayed out from the spray head of the water shaft, and spray is formed in the cavity between the screen drum and the dust collecting ring shell, so that dust in the cavity between the screen drum and the dust collecting ring shell is wetted and condensed, and is discharged out of the equipment, and the problem that dust is easily raised when the conventional equipment directly discharges the dust out of the equipment is avoided.
3. According to the invention, the baffle is intermittently opened and closed around the transverse shaft through the timing opening and closing of the electromagnetic rod, so that the discharge box can be intermittently opened, the problem that high-pressure gas discharged from the air hole on the outer wall of the air shaft is directly discharged from the discharge end of the screen cylinder, so that the air pressure in the screen cylinder is insufficient, dust is wrapped by straws and cannot be discharged is solved, and after the baffle is closed, the electromagnetic rod is closed, so that the baffle is repeatedly closed for collecting materials.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of a side-view rotary screen according to the present invention;
FIG. 3 is a schematic side plan view partially in cross-section;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 3C according to the present invention;
FIG. 7 is a schematic diagram of the internal structure of a side-view rotary screen according to the present invention;
FIG. 8 is a schematic diagram of the overall structure of the process flow of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
header 6, spiral drum 7, conveyor 8, dust removal rotary screen 9, receiver 10, screen drum 11, sieve mesh 12, discharge box 13, air shaft 14, air hole 15, spiral plate 16, dust collecting ring shell 19, water shaft 22, shower nozzle 23, grommet 24, elbow 25, bevel gear ring 29, bevel gear 30, drive shaft 31, baffle 33, cross shaft 34, torsion spring 35, electromagnetic rod 36, guide plate 38, and particle making machine 39.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a processing apparatus for straw recycle, including header 6, header 6 front end has reciprocating blade, header 6 lower extreme rotates and is connected with spiral drum 7, header 6 lower extreme is provided with transmission device 8 that is used for transmitting straw, transmission device 8 lower extreme is provided with dust removal rotary screen 9, dust removal rotary screen 9 includes receiving box 10, transmission device 8 discharge end is located receiving box 10 upper end, receiving box 10 lateral wall rotates and is connected with screen drum 11, screen drum 11 lateral wall has seted up a plurality of sieve meshes 12, screen drum 11 communicates with receiving box 10 lateral wall, screen drum 11 is kept away from the one end rotation of receiving box 10 and is connected with discharge box 13, receiving box 10 and discharge box 13 are fixed with the outer end, screen drum 11 communicates with discharge box 13 inside, screen drum 11 central authorities coaxial arrangement has gas axle 14, gas axle 14 both ends are fixed connection respectively on receiving box 10 and discharge box 13, gas axle 14 lateral wall has seted up gas pocket 15, screen drum 11 inner wall is fixed connection with spiral plate 16 along its axis, screen drum 11 outer end is provided with the dust collection device that is used for gathering dust, screen drum 11 is kept away from receiving drum 11 lateral wall has power to set up for driving drum 11 to rotate;
before the invention is used, the device is assembled and is mounted on the existing tractor carrier, the device does not have a power source and can work only by means of the carrier power, and the existing blower device is driven by the carrier to transmit high-pressure air to one end of the air shaft 14;
when the invention is used, the existing carrier power device is transmitted to the screen drum 11 to rotate the screen drum 11, the screen drum 11 is rotationally driven, meanwhile, the harvesting platform 6 harvests straws, the straws are converged on the transmission device 8 through the spiral drum 7, the straws are transmitted to the upper end of the receiving box 10 of the dust removal rotary screen 9 through the transmission device, the straws fall into the receiving box 10, the straws slide to the end of the rotating screen drum 11 along the receiving box 10, the screen drum 11 rotationally drives the spiral plate 16 to rotate, the spiral plate 16 rotationally transmits the straws into the screen drum 11, the screen drum 11 rotates to stir the straws, the straws roll in the screen drum 11, friction stirring is generated among the straws, the soil on the surfaces of the straws is rubbed off, and then the soil falls out of the screen drum 11 from the screen holes 12 of the screen drum 11, so that sundries in the straws are screened out, when the screen drum 11 rotates, the screen holes 12 also revolve, so that the screen holes 12 are prevented from being blocked, the spiral plate 16 with the rotating straw is continuously moved to the discharge end of the screen drum 11, the straw moves towards the position of the discharge box 13, meanwhile, high-pressure gas in the gas shaft 14 is discharged outwards from the gas holes 15, so that impurity dust in the straw is blown, the impurity falls out of the screen drum 11 from the screen holes 12, then the high-pressure gas can blow the straw to perform moving extrusion (as shown in fig. 2, the phenomenon of stacking of the straw exists in the receiving box 10 and the discharge box 13, so that the two ends of the screen drum 11 have a certain blocking effect, the gas is prevented from being directly discharged from the two ends of the screen drum 11), so that the friction force between the straw and the screen drum 11 is improved, so that the dust can be separated from the straw efficiently, the mechanical energy of the screen drum 12 is discharged, the screening efficiency and the strength are improved, the dust discharged from the sieve holes 12 is further treated by a dust collecting device, so that the problem that dust flies on a processing site because the dust is directly discharged into the air is avoided;
according to the invention, air is filled into the air shaft 14 through the existing air blower, so that the dust impurities which are already fallen in the dust removing rotary screen 9 are blown by the air sprayed out from the air holes 15, the impurities and the dust can efficiently pass through the sieve holes 12 on the screen drum 11 and are discharged from the sieve holes 12 to enter the dust collecting device, the problems that the dust impurities are wrapped and clamped by the straws and cannot be efficiently discharged are avoided, and the high-pressure air further blows the straws, so that the straws are scattered and dispersed, and meanwhile, friction extrusion is increased between the straws, so that the dust impurities on the surface of the straws are removed more rapidly and thoroughly.
As a further scheme of the invention, the dust collecting device comprises a dust collecting ring shell 19, the dust collecting ring shell 19 is fixedly connected to the material receiving box 10 and the material discharging box 13, the lower end of the dust collecting ring shell 19 is high and the lower end is low, and a dust settling device is arranged between the dust collecting ring shell 19 and the screen drum 11; the dust settling device comprises a plurality of water shafts 22, the water shafts 22 are annularly arranged around the outer wall of the screen drum 11 along the axis of the screen drum 11 in an array manner, the water shafts 22 are fixedly arranged on the material receiving box 10 and the material discharging box 13, each water shaft 22 is arrayed along the axis of the water shafts 22 and provided with a plurality of spray heads 23, the axes of the spray heads 23 are radial along the axis of the screen drum 11, a circular pipe 24 is fixedly arranged on the water shafts 22 together, the circular pipe 24 is communicated with the inside of the water shaft 22, the upper end of the circular pipe 24 is fixedly connected with an elbow pipe 25, the elbow pipe 25 is communicated with the circular pipe 24, and the elbow pipe 25 passes through the dust collecting annular shell 19;
when the dust collecting device is used, water in a water tank on a carrier is pressurized and communicated to the bent pipe 25 through the existing booster pump, after dust enters the dust collecting annular shell 19, high-pressure water flows through the bent pipe 25 and enters the annular pipe 24, and then enters the water shaft 22 through the annular pipe 24, the high-pressure water flow in the water shaft 22 can be sprayed into a cavity between the screen cylinder 11 and the dust collecting annular shell 19 through the spray head 23, and the spray direction of the spray head 23 is far away from the screen cylinder 11, so that the problem that the water flow is directly sprayed onto the screen cylinder 11 to cause moisture of straws in the screen cylinder 11 is avoided, the water flow wets and agglomerates dust in the cavity between the screen cylinder 11 and the dust collecting annular shell 19, and along with the curved surface of the dust collecting annular shell 19, the dust flows along with the gradient of the lower end of the dust collecting annular shell 19, and is discharged from the lowest part of the dust collecting annular shell 19, so that the problem that small part of dust raising is caused after the dust is discharged by conventional equipment is avoided (when the equipment works, large vibration can occur, so that the moisture is prevented from flowing on the inner wall of the screen cylinder 19, and the dust is prevented from adhering to the inner wall of the dust collecting annular shell 11, so that the problem that the moisture is caused by the moisture and the dust blocking the inner wall of the screen cylinder 11, and the dust collecting annular shell 11 is prevented from rotating, and blocking the dust in the cavity 11;
the invention guides high-pressure water flow into the water shaft 22, sprays from the spray head 23 of the water shaft 22, forms spray in the cavity between the screen drum 11 and the dust collecting ring shell 19, so as to wet and condense dust in the cavity between the screen drum 11 and the dust collecting ring shell 19, and discharges the dust out of the device, thereby avoiding the problem that the dust is easily raised when the dust is directly discharged out of the device by conventional equipment.
As a further scheme of the invention, the power device comprises a bevel gear ring plate 29, a bevel gear 30 is meshed with the outer end of the bevel gear ring plate 29, a driving shaft 31 is coaxially and fixedly connected with the center of the bevel gear 30, the driving shaft 31 penetrates through the dust collecting ring shell 19 and is rotationally connected with the dust collecting ring shell 19, and the driving shaft 31 is vertically upwards;
when the dust collection device is used, the driving shaft 31 is driven by the carrier power to rotate on the dust collection ring shell 19, the bevel gear 30 is driven by the driving shaft 31 to rotate, the bevel gear 30 is driven by the bevel gear ring plate 29 to rotate, the screen drum 11 is driven by the bevel gear ring plate 29 to rotate, and the driving shaft 31 and the bevel gear 30 are arranged at the upper end of the screen drum 11, so that the phenomenon that moist soil is coagulated on the driving shaft 31 to cause damage to equipment is avoided.
As a further scheme of the invention, one end of the receiving box 10 and the discharging box 13, which is close to the screen drum 11, is small, one end of the receiving box, which is far away from the screen drum 11, is large, and an opening and closing device for intermittent discharging is arranged at the lower end of the discharging box 13; the opening and closing device comprises a baffle 33, the baffle 33 is obliquely and upwards connected in the unloading box 13 in a rotating way, the bottommost end of the baffle 33 is fixedly provided with a transverse shaft 34, the transverse shaft 34 penetrates through the side wall of the unloading box 13 and is in rotating connection with the unloading box 13, two ends of the transverse shaft 34 penetrating through the unloading box 13 are sleeved with torsion springs 35, one end of each torsion spring 35 is fixedly arranged on the transverse shaft 34, the other end of each torsion spring is fixedly arranged on the side wall of the unloading box 13, one end, far away from the transverse shaft 34, of the baffle 33 is provided with an electromagnetic rod 36, and the electromagnetic rod 36 is fixedly arranged on the side wall of the unloading box 13;
when the invention is used, one end of the receiving box 10 and the discharging box 13, which is close to the screen drum 11, is small, and one end of the discharging box 13, which is far away from the screen drum 11, is large, so that straws can enter the screen drum 11 and be discharged out of the screen drum 11 efficiently, wherein the electromagnetic rod 36 is opened and closed at regular time, so that the baffle 33 is intermittently opened and closed around the transverse shaft 34, after the straws at the upper end of the baffle 33 are piled up, the electromagnetic rod 36 is opened, the baffle 33 overcomes torsion force of the torsion spring 35 to drive the transverse shaft 34 to rotate, the baffle 33 is opened for discharging, and when the baffle 33 is completely discharged, the torsion spring 35 drives the transverse shaft 34 to rotate, so that the baffle 33 is turned over, the discharging box 13 is closed, so that the discharging box 13 can be intermittently opened, the problem that high-pressure air discharged from the air hole 15 at the outer wall of the air shaft 14 is directly discharged out of the discharging end of the screen drum 11, so that the air pressure inside the screen drum 11 is insufficient, dust is wrapped up, and the problem that the straws cannot be discharged is solved, after the baffle 33 is closed, the electromagnetic rod 36 is closed, so that the baffle 33 is repeatedly closed.
As a further scheme of the invention, the lower end of the discharge box 13 is fixedly provided with a guide plate 38, the lower end of the guide plate 38 is provided with a particle manufacturing machine 39, the guide plate 38 is positioned at a feeding port of the particle manufacturing machine 39, and the lower end of the particle manufacturing machine 39 is provided with a feeding device capable of feeding in a rotating way; the straw is guided into a particle making machine 39 through a material guiding plate 38, is granulated by the existing particle making machine 39, and is fed into an existing hopper by a feeding device.
A straw recycling method comprises the following specific steps:
step one: before the invention is used, the device is assembled and is mounted on the existing tractor carrier, the device does not have a power source and can work only by means of the carrier power, and the existing blower device is driven by the carrier to transmit high-pressure air to one end of the air shaft 14;
step two: the existing blower fills air into the air shaft 14, so that the dust and impurities which are already fallen off in the dust removing rotary screen 9 are blown by the air sprayed out of the air holes 15 and discharged from the screen holes 12 into the dust collecting device, thereby avoiding the dust and impurities from being wrapped and clamped by the straws, increasing the friction extrusion among the straws, and further enabling the dust and impurities on the surface of the straws to be removed more rapidly and thoroughly;
step three: the high-pressure water flow is led into the water shaft 22 and is sprayed out from the spray head 23 of the water shaft 22, and spray is formed in the cavity between the screen drum 11 and the dust collecting ring shell 19, so that dust in the cavity between the screen drum 11 and the dust collecting ring shell 19 is wetted and condensed, and is discharged out of the equipment, and the problem that dust is easily raised when the conventional equipment directly discharges the dust out of the equipment is avoided;
step four: the electromagnetic rod 36 is opened and closed at regular time, so that the baffle 33 is intermittently opened and closed around the transverse shaft 34, and the discharge box 13 can be intermittently opened, thereby avoiding the problem that the normally open state of the discharge end of the screen drum 11 causes insufficient air pressure inside the screen drum 11, so that dust is wrapped by straws and cannot be discharged.
Claims (2)
1. The utility model provides a processing apparatus for straw recycle, includes header (6), header (6) front end has reciprocating blade, header (6) lower extreme rotation is connected with helical drum (7), header (6) lower extreme is provided with transmission device (8) that are used for transmitting straw, its characterized in that: the dust removal rotary screen (9) is arranged at the lower end of the transmission device (8), the dust removal rotary screen (9) comprises a receiving box (10), the discharge end of the transmission device (8) is positioned at the upper end of the receiving box (10), a screen cylinder (11) is rotatably connected to the side wall of the receiving box (10), a plurality of screen holes (12) are formed in the side wall of the screen cylinder (11), the screen cylinder (11) is communicated with the side wall of the receiving box (10), one end of the screen cylinder (11) far away from the receiving box (10) is rotatably connected with a discharging box (13), the receiving box (10) and the discharging box (13) are fixedly connected with the outer end, the screen cylinder (11) is communicated with the inside of the discharging box (13), an air shaft (14) is coaxially arranged in the center of the screen cylinder (11), two ends of the air shaft (14) are fixedly connected to the receiving box (10) and the discharging box (13), air holes (15) are formed in the side wall of the air shaft (14), the inner wall of the screen cylinder (11) is fixedly connected with an axis line 16, and the dust collection device is arranged at the outer end of the screen cylinder (11) and is used for driving the dust collection device;
the dust collecting device comprises a dust collecting ring shell (19), the dust collecting ring shell (19) is fixedly connected to the material receiving box (10) and the material discharging box (13), one end of the lower end of the dust collecting ring shell (19) is high, the other end of the lower end of the dust collecting ring shell is low, and a dust settling device is arranged between the dust collecting ring shell (19) and the screen drum (11);
the dust settling device comprises a plurality of water shafts (22), the water shafts (22) are annularly arranged around the outer wall of the screen drum (11) along the axis of the screen drum (11), the water shafts (22) are fixedly arranged on the material receiving box (10) and the material discharging box (13), each water shaft (22) is provided with a plurality of spray heads (23) along the axis array, the axes of the spray heads (23) are radial along the axis of the screen drum (11), a plurality of water shafts (22) are fixedly provided with annular pipes (24) together, the annular pipes (24) are communicated with the inside of the water shafts (22), the upper ends of the annular pipes (24) are fixedly connected with bent pipes (25), the bent pipes (25) are communicated with the annular pipes (24), and the bent pipes (25) penetrate through a dust collecting annular shell (19);
the power device comprises a bevel gear ring plate (29), a bevel gear (30) is meshed with the outer end of the bevel gear ring plate (29), a driving shaft (31) is coaxially and fixedly connected with the center of the bevel gear (30), the driving shaft (31) penetrates through the dust collecting ring shell (19) and is rotationally connected with the dust collecting ring shell (19), and the driving shaft (31) is vertically upwards;
the material receiving box (10) and the discharging box (13) are small at one end close to the screen drum (11) and large at one end far away from the screen drum (11), and an opening and closing device for intermittent discharging is arranged at the lower end of the discharging box (13);
the opening and closing device comprises a baffle (33), the baffle (33) is obliquely and upwards connected to the inside of the discharging box (13) in a rotating mode, a transverse shaft (34) is fixedly arranged at the bottommost end of the baffle (33), the transverse shaft (34) penetrates through the side wall of the discharging box (13) and is rotationally connected with the discharging box (13), torsion springs (35) are sleeved at two ends of the transverse shaft (34) penetrating through the discharging box (13), one end of each torsion spring (35) is fixedly arranged on the transverse shaft (34), the other end of each torsion spring is fixedly arranged on the side wall of the discharging box (13), an electromagnetic rod (36) is arranged at one end, far away from the transverse shaft (34), of each baffle (33), and the electromagnetic rod (36) is fixedly arranged on the side wall of the discharging box (13).
The lower end of the discharging box (13) is fixedly provided with a material guide plate (38), the lower end of the material guide plate (38) is provided with a particle manufacturing machine (39), the material guide plate (38) is positioned at a feeding port of the particle manufacturing machine (39), and the lower end of the particle manufacturing machine (39) is provided with a feeding device capable of feeding in a rotating way;
when the dust collecting device is used, water in a water tank on a carrier is pressurized and communicated to the bent pipe (25) through the existing pressurizing pump, dust enters the dust collecting ring shell (19), high-pressure water flows into the annular pipe (24) through the bent pipe (25), then flows into the water shaft (22) through the annular pipe (24), the high-pressure water in the water shaft (22) can be sprayed into a cavity between the screen drum (11) and the dust collecting ring shell (19) through the spray head (23), the spray direction of the spray head (23) is far away from the screen drum (11), so that the water is prevented from being directly sprayed onto the screen drum (11), the high-pressure water flows into the water shaft (22), the spray head (23) of the water shaft (22) is sprayed, and spray is formed in the cavity between the screen drum (11) and the dust collecting ring shell (19), so that the dust in the cavity between the screen drum (11) and the dust collecting ring shell (19) is wetted and condensed, and the dust collecting ring shell (19) is discharged out of the device.
2. A method for recycling straw, which is applicable to the straw recycling treatment device in claim 1, and is characterized in that: the straw recycling treatment method comprises the following specific steps:
step one: before use, the device is assembled and mounted on the existing tractor carrier, the device does not have a power source and can work only by means of the carrier power, and the existing blower device is driven by the carrier to transmit high-pressure air to one end of the air shaft (14);
step two: the existing blower fills air into the air shaft (14), so that the fallen dust impurities in the dust removing rotary screen (9) are blown by the air sprayed out of the air holes (15) and discharged from the screen holes (12) to enter the dust collecting device, the dust impurities are prevented from being wrapped by straws, the friction extrusion among the straws is increased, and the dust impurities on the surfaces of the straws are removed more rapidly and thoroughly;
step three: the high-pressure water flow is led into the water shaft (22), is sprayed out from a spray head (23) of the water shaft (22), and forms spray in a cavity between the screen drum (11) and the dust collecting ring shell (19), so that dust in the cavity between the screen drum (11) and the dust collecting ring shell (19) is wetted and condensed, and is discharged out of the equipment, so that the problem that dust is easily raised when the conventional equipment directly discharges the dust out of the equipment is avoided;
step four: the electromagnetic rod (36) is opened and closed at regular time, so that the baffle (33) is intermittently opened and closed around the transverse shaft (34), the discharge box (13) can be opened intermittently, and the problem that the normal open state of the discharge end of the screen drum (11) causes insufficient air pressure in the screen drum (11), dust is wrapped and clamped by straws and cannot be discharged is avoided.
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| CN202211124848.6A CN115415280B (en) | 2022-09-15 | 2022-09-15 | Treatment device and method for straw recycling |
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| CN115415280B true CN115415280B (en) | 2023-11-21 |
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