CN211903602U

CN211903602U - Environment-friendly material drying system

Info

Publication number: CN211903602U
Application number: CN201922373027.6U
Authority: CN
Inventors: 王凯
Original assignee: Jiangsu Pujie Environmental Protection Technology Co ltd
Current assignee: Jiangsu Pujie Environmental Protection Technology Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-11-10
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses an environment-friendly material drying system, which comprises a drying device, a hot air box and an airflow filtering device; the drying equipment comprises a fixed cylinder, a rotary drum, a driving motor, a driving rotating shaft, an air inlet conical cover and a discharging channel; the airflow filtering equipment comprises a cylindrical shell, an upper cover plate, a horizontal mounting plate, a vertical partition plate, an upper partition plate and each filter bag unit. This environment-friendly material drying system utilizes drying equipment, hot-blast case and air current filtration equipment to constitute hot gas flow circulating filtration and recycle, not only can avoid carrying the hot gas flow of dust to cause air pollution, can make hot gas flow circulating utilization reduce the energy consumption moreover.

Description

Environment-friendly material drying system

Technical Field

The utility model relates to a material drying system, especially an environment-friendly material drying system.

Background

The rotary dryer is widely applied drying equipment, and is a rotary metal cylinder, a lifting blade with different structures is arranged in the rotary metal cylinder, and materials and hot gas pass through the cylinder and exchange heat to dry the materials. It features better adaptability to material and drying of various materials with different water content, granularity (block, granule, powder) and viscosity. However, materials are often adhered to the inner wall of the rotary dryer during use, and hot air is directly discharged after blowing and drying are completed, so that air pollution is easily caused, and a large amount of heat energy loss is also caused. Therefore, it is necessary to design an environment-friendly material drying system, which can sufficiently dry the materials, prevent the materials from being bonded on the inner cylinder wall and avoid air pollution.

Disclosure of Invention

Utility model purpose: the environment-friendly material drying system can sufficiently dry materials, can avoid the materials from being bonded on the inner cylinder wall, and can avoid air pollution.

The technical scheme is as follows: the utility model discloses an environment-friendly material drying system, which comprises a drying device, a hot air box and an airflow filtering device;

the drying equipment comprises a fixed cylinder, a rotary drum, a driving motor, a driving rotating shaft, an air inlet conical cover and a discharging channel; the fixed cylinder is transversely and horizontally installed, and a hinged support mechanism and a support height adjusting mechanism are respectively arranged below two ends of the circumferential outer cylinder wall of the fixed cylinder, so that a cylinder opening at the left end of the fixed cylinder is higher than a cylinder opening at the right end of the fixed cylinder; the driving motor is fixedly arranged above the circumferential outer cylinder wall of the fixed cylinder, and a heat dissipation cylinder is fixedly arranged at the end part of an output shaft of the driving motor and the same axis; at least two radiating strip-shaped holes are arranged on the circumferential cylinder wall of the radiating cylinder along the axial direction of the radiating cylinder, and a flow guide strip-shaped plate is arranged at the orifice of each radiating strip-shaped hole; the length edge of one side of the flow guide strip-shaped plate extends out of the heat dissipation strip-shaped hole, and the extending edge bends and inclines towards the rotation direction of the heat dissipation cylinder; the driving rotating shaft is rotatably arranged above the circumferential outer cylinder wall of the fixed cylinder through a rotating shaft support, one end of the driving rotating shaft is fixedly arranged on the end surface of the radiating cylinder with the same axis, and the other end of the driving rotating shaft is fixedly provided with a driving gear; a suspension bar-shaped chain box and a suspension bar-shaped mounting plate are vertically mounted above two ends of the circumferential inner cylinder wall of the fixed cylinder respectively; one end of the rotary drum is rotatably arranged on the lower end part of the suspension bar-shaped chain box through a driving drum shaft, and a driven gear is fixedly arranged on the driving drum shaft and positioned in the suspension bar-shaped chain box; the other end of the rotary drum is rotatably arranged on the lower end part of the suspension strip-shaped mounting plate through a supporting rotating shaft; the driving gear drives the driven gear in a rotating way through the driving chain; the fixed cylinder and the rotary drum are positioned on the same axis; each material lifting unit is distributed on the circumferential outer cylinder wall of the rotary drum and consists of two strip-shaped side plates and two material lifting plates; the two lifting plates are transversely arranged between the two strip-shaped side plates and are oppositely inclined in a splayed shape; the two lifting plates are distributed with lifting holes; the two strip-shaped side plates are both arranged on the circumferential outer cylinder wall of the rotary cylinder along the radial direction of the rotary cylinder, and the plate surfaces of the strip-shaped side plates are vertical to the axial direction of the rotary cylinder; the splayed opening formed by the two material raising plates faces the rotating direction of the rotary drum, and the edge of the material raising plate at the outer side is parallel to and close to the circumferential inner drum wall of the fixed drum; the air inlet conical cover is installed on the left end opening of the fixed cylinder in a butt joint mode, and an air inlet pipe opening is formed in the left end of the air inlet conical cover; a feeding channel is arranged on the air inlet conical cover and above the air inlet pipe orifice, and the feeding channel is inclined downwards and extends into the air inlet conical cover; a cover plate is hinged at the upper edge of the lower port of the feeding channel in the air inlet conical cover; a pressure spring seat is arranged on the inner wall of the upper side of the air inlet conical cover, and a closed pressure spring is fixedly arranged on the pressure spring seat; the lower end of the closed pressure spring is elastically pressed on the side surface of the cover plate and is used for elastically pressing the cover plate on the lower port of the air inlet conical cover; the discharge channel is installed on a right cylinder opening of the fixed cylinder in a butt joint mode, and an air outlet pipe opening is arranged above the discharge channel in a communicated mode; two strip-shaped transmission plates are transversely arranged below the middle part of the circumferential outer cylinder wall of the fixed cylinder, and the plate surfaces of the two strip-shaped transmission plates are vertical; a middle flat plate is arranged at the middle of the lower side edges of the two strip-shaped transmission plates; a vibrator is arranged on the middle flat plate;

the airflow filtering equipment comprises a cylindrical shell, an upper cover plate, a horizontal mounting plate, a vertical partition plate, an upper partition plate and each filter bag unit; the upper cover plate is covered on the upper side opening of the cylindrical shell; the bottom of the cylindrical shell is vertically provided with a supporting leg; the horizontal mounting plate is horizontally and fixedly mounted at the upper part in the cylindrical shell, and circular mounting holes are distributed on the horizontal mounting plate; each filter bag unit is fixedly arranged on each circular mounting hole; elastic supporting mechanisms for supporting the filter bag units are correspondingly arranged on the inner bottom of the cylindrical shell and below the circular mounting holes; the vertical separation plate is vertically arranged in the cylindrical shell and positioned below the horizontal mounting plate and is used for separating a cavity below the horizontal mounting plate into a primary filtering cavity and a secondary filtering cavity; the upper-layer partition plate is vertically arranged above the horizontal mounting plate and is used for dividing a cavity above the horizontal mounting plate into a primary air inlet cavity and a secondary air inlet cavity; a strip-shaped communication hole is formed in the horizontal mounting plate and is positioned between the vertical partition plate and the upper partition plate, and the strip-shaped communication hole is used for communicating the primary filtering cavity with the secondary air inlet cavity; the upper cover plate is provided with a purification air inlet communicated with the primary air inlet cavity; a purification air outlet communicated with the secondary filtering cavity is arranged on the outer wall of the cylindrical shell; a flow guide baffle is movably and horizontally arranged in the primary air inlet cavity, conical funnels are distributed on the flow guide baffle, and the lower funnel openings of the conical funnels are respectively opposite to the upper bag openings of the filter bag units;

the air outlet pipe orifice is communicated to the purification air inlet through an air return pipeline; the hot air box is connected in series on a connecting pipeline between the purification air outlet and the air inlet pipe orifice.

Further, the filter bag unit comprises a dust filter bag, a filter bag support frame and two Z-shaped pressing buckles; an annular support ring is arranged on the upper end bag opening of the dust filter bag, and the diameter of the outer ring of the annular support ring is larger than the aperture of the circular mounting hole; the filter bag support frame is inserted in the dust filter bag and used for opening the dust filter bag; the upper end of the filter bag support frame is provided with a pressing ring, and the diameter of the outer ring of the pressing ring is larger than that of the inner ring of the annular support ring; when the filter bag unit is arranged on the circular mounting hole, the annular support ring is pressed on the horizontal mounting plate, and the pressing circular ring is pressed on the annular support ring; the two Z-shaped pressing buckles are rotatably arranged on the horizontal mounting plate close to the round mounting hole through a pin shaft; a limiting convex ring is arranged at the upper end of the pin shaft, and a locking pressure spring is sleeved on the pin shaft; the locking compression spring is elastically supported between the limiting convex ring and the Z-shaped pressing buckle; the Z-shaped pressing button is horizontally rotated and then used for pressing the pressing ring; the middle part of the filter bag supporting frame is horizontally provided with a supporting ring.

Furthermore, the elastic supporting mechanism comprises a lower sleeve, a telescopic rod and a supporting disc; the lower sleeve is vertically and fixedly arranged on the inner bottom of the cylindrical shell, and a supporting pressure spring is arranged in the lower sleeve; the lower end of the telescopic rod is inserted into the lower sleeve and pressed on the supporting pressure spring; the supporting disc is horizontally arranged at the upper end of the telescopic rod, and radial supporting rods are arranged on the circumferential edge of the supporting disc along the radial direction; the end parts of the radial support rods are provided with bent heads which are bent upwards.

Furthermore, the side edge of the upper cover plate is hinged and installed on the edge of an upper tube opening of the cylindrical shell; a fixed seat is arranged on the outer side wall of the upper opening of the cylindrical shell; a mounting round hole is vertically arranged on the fixed seat, and a locking screw rod is inserted in the mounting round hole in a penetrating manner; a pressing rod is vertically arranged at the upper end of the locking screw rod, and a locking nut is screwed on the lower end of the locking screw rod; the locking screw is rotated so that the pressing rod is pressed on the upper side surface of the upper cover plate, and is pressed and locked by rotating the locking nut.

Furthermore, a cover plate handle is arranged on the upper side surface of the upper cover plate; two lifting handles are arranged on the diversion baffle.

Furthermore, a diffusion impeller is rotatably arranged in the air inlet conical cover and close to the air inlet pipe opening through an impeller support.

Furthermore, the outside of the fixed cylinder is coated with an insulating layer.

Furthermore, the hinged support mechanism comprises an upper side fixed seat, a bottom support shaft, a lower side support plate and two support supports; the upper side fixing seat is fixedly arranged below the circumferential outer cylinder wall of the fixed cylinder, and the bottom supporting shaft is longitudinally arranged on the upper side fixing seat; the two supporting supports are fixedly arranged on the lower supporting plate, and semicircular supporting notches are formed in the upper side edges of the two supporting supports; the shaft heads at two ends of the bottom supporting shaft are respectively supported on the semicircular supporting notches of the two supporting supports.

Further, the supporting height adjusting mechanism comprises a lower side mounting plate, two opposite-pulling supports, opposite-pulling bolts, an upper extrusion seat, an upper side hinge seat and two supporting hinge seats; the two support hinge seats are fixedly arranged below the circumferential outer cylinder wall of the fixed cylinder, and the upper hinge seat is hinged on the two support hinge seats through support hinge short shafts on two sides; the axial lead of the support hinge short shaft is vertical to the axial lead of the fixed cylinder; a T-shaped sliding groove is longitudinally arranged on the upper side surface of the lower side mounting plate; two T-shaped sliding blocks are slidably arranged in the T-shaped sliding groove; the two opposite-pulling supports are respectively and fixedly arranged on the two T-shaped sliding blocks; the split bolts are arranged on the two split supports in a split manner and used for adjusting the distance between the two split supports in a split manner; the upper edges of the opposite side surfaces of the two opposite pull supports are respectively provided with an inclined slope surface; go up extrusion seat fixed mounting and at the downside middle part of the articulated seat of upside, and be provided with two upside extrusion faces that support respectively at two slope surfaces on last extrusion seat.

Furthermore, the end of the rotary drum close to the air inlet conical cover is set to be a conical end.

Compared with the prior art, the utility model, its beneficial effect is: the drying equipment, the hot air box and the air flow filtering equipment are utilized to form hot air flow for circulating filtration and recycling, so that air pollution caused by the hot air flow carrying dust can be avoided, and the energy consumption is reduced by the circulating utilization of the hot air flow; the heat dissipation can be realized by utilizing the heat dissipation cylinder and the flow guide strip-shaped plate arranged at the orifice of the heat dissipation strip-shaped hole, so that the heat is prevented from being transferred to the driving motor, and the service life of the driving motor is ensured; the material lifting unit is formed by the two strip-shaped side plates and the two material lifting plates, so that materials in the fixed cylinder can be lifted, and the materials are scattered and leaked through gaps and material lifting holes on the lower side after being rotated and lifted, and the materials are lifted and dried; the height of the discharging channel can be conveniently adjusted by utilizing the supporting height adjusting mechanism, so that the left end cylinder opening of the fixed cylinder is higher than the right end cylinder opening, and the material can conveniently slide to the discharging side; the vibration mechanism is formed by the two strip-shaped transmission plates, the middle flat plate and the vibrator, so that materials can be effectively prevented from being bonded on the inner side cylinder wall of the fixed cylinder; the wind-proof backflow at the lower port of the feeding channel can be realized by utilizing the cover plate, so that the hot air is prevented from being leaked and wasted; the lower port of the feeding channel can be closed in time after feeding is finished by utilizing the closed pressure spring; a primary filtering cavity and a secondary filtering cavity are formed in the cylindrical shell by utilizing the horizontal mounting plate, the vertical partition plate, the strip-shaped communication hole and the upper partition plate, so that each filter bag unit is used for filtering twice, the air can be filtered cleanly, and the dust in the hot air box is prevented from being extruded; the guide baffle and the conical funnel can prevent dust from being accumulated on the horizontal mounting plate and guide the dust to each filter bag unit; the elastic supporting mechanism can be used for elastically supporting the filter bag unit, so that the filter bag unit is not in a suspended state.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the system of the present invention;

FIG. 2 is a schematic view of the inside structure of the air flow filtering device of the present invention in a partial cross-section;

FIG. 3 is a schematic view of the internal structure of the drying apparatus in partial section according to the present invention;

FIG. 4 is a schematic structural view of the support height adjusting mechanism of the present invention;

fig. 5 is a schematic structural view of the material lifting unit of the present invention;

fig. 6 is a schematic view of the end face structure of the heat dissipation cylinder of the present invention.

Detailed Description

The technical solution of the present invention will be described in detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.

Example 1:

as shown in fig. 1-6, the utility model discloses an environment-friendly material drying system includes: a drying device, a hot air box 231 and an air flow filtering device;

the drying equipment comprises a fixed cylinder 101, a rotary drum 127, a driving motor 108, a driving rotating shaft 113, an air inlet conical cover 103 and a discharging channel 105; the fixed cylinder 101 is horizontally installed in a transverse direction, and a hinged supporting mechanism and a supporting height adjusting mechanism are respectively arranged below two ends of the circumferential outer cylinder wall of the fixed cylinder 101, so that a cylinder opening at the left end of the fixed cylinder 101 is higher than a cylinder opening at the right end; the driving motor 108 is fixedly arranged above the circumferential outer cylinder wall of the fixed cylinder 101, and a heat dissipation cylinder 109 is fixedly arranged at the end part of an output shaft of the driving motor 108 coaxially; at least two heat dissipation strip-shaped holes 110 are arranged on the circumferential cylinder wall of the heat dissipation cylinder 109 along the axial direction of the heat dissipation cylinder, and a flow guide strip-shaped plate 111 is arranged at the orifice of each heat dissipation strip-shaped hole 110; the length edge of one side of the flow guide strip-shaped plate 111 extends out of the heat dissipation strip-shaped hole 110, and the extending edge bends and inclines towards the rotation direction of the heat dissipation cylinder 109; the driving rotating shaft 113 is rotatably installed above the circumferential outer cylinder wall of the fixed cylinder 101 through the rotating shaft support 112, one end of the driving rotating shaft 113 is fixedly installed on the end surface of the heat dissipation cylinder 109 coaxially, and the other end of the driving rotating shaft 113 is fixedly installed with a driving gear 114; a suspension bar-shaped chain box 118 and a suspension bar-shaped mounting plate 128 are respectively vertically mounted above two ends of the circumferential inner cylinder wall of the fixed cylinder 101; one end of the rotary drum 127 is rotatably mounted on the lower end of the suspended bar-shaped chain box 118 through a driving drum shaft 122, and a driven gear is fixedly mounted on the driving drum shaft 122 and positioned in the suspended bar-shaped chain box 118; the other end of the rotary drum 127 is rotatably mounted on the lower end of the hanging bar-shaped mounting plate 128 through a supporting rotary shaft; the drive gear 114 rotationally drives the driven gear via a drive chain 117; the fixed cylinder 101 and the rotary drum 127 are positioned on the same axial line; each material lifting unit is distributed on the circumferential outer cylinder wall of the rotary drum 127, and each material lifting unit consists of two strip-shaped side edge plates 124 and two material lifting plates 125; the two material raising plates 125 are transversely arranged between the two strip-shaped side plates 124, and the two material raising plates 125 are relatively inclined in a splayed shape; the two material raising plates 125 are distributed with material raising holes 126; the two strip-shaped side edge plates 124 are both arranged on the circumferential outer cylinder wall of the rotary drum 127 along the radial direction of the rotary drum 127, and the plate surfaces of the strip-shaped side edge plates 124 are vertical to the axial direction of the rotary drum 127; the splayed opening formed by the two material raising plates 125 faces the rotating direction of the rotary drum 127, and the edge of the material raising plate 125 at the outer side is parallel to and close to the circumferential inner cylinder wall of the fixed cylinder 101; the air inlet conical cover 103 is installed on the left end opening of the fixed cylinder 101 in a butt joint mode, and an air inlet pipe opening 104 is formed in the left end of the air inlet conical cover 103; a feeding channel 106 is arranged on the air inlet conical cover 103 and above the air inlet pipe orifice 104, and the feeding channel 106 slantly extends into the air inlet conical cover 103; a cover plate 119 is hinged at the upper edge of the lower port of the feeding channel 106 in the air inlet conical cover 103; a pressure spring seat 120 is arranged on the inner wall of the upper side of the air inlet conical cover 103, and a closed pressure spring 121 is fixedly arranged on the pressure spring seat 120; the lower end of the closed pressure spring 121 is elastically pressed on the side surface of the cover plate 119 and is used for elastically pressing the cover plate 119 on the lower port of the air inlet conical cover 103; the discharge channel 105 is installed on the right end opening of the fixed cylinder 101 in a butt joint mode, and an air outlet pipe opening 107 is arranged above the discharge channel 105 in a communicating mode; two strip-shaped transmission plates 131 are transversely arranged below the middle part of the circumferential outer cylinder wall of the fixed cylinder 101, and the plate surfaces of the two strip-shaped transmission plates 131 are vertical; a middle flat plate 132 is arranged at the middle of the lower side edges of the two strip-shaped transmission plates 131; a vibrator 133 is mounted on the middle plate 132;

the airflow filtering device comprises a cylindrical shell 201, an upper cover plate 202, a horizontal mounting plate 204, a vertical separation plate 205, an upper separation plate 206 and each filter bag unit; the upper cover plate 202 is covered on the upper side opening of the cylindrical shell 201; a support leg 203 is vertically arranged at the bottom of the cylindrical shell 201; the horizontal mounting plate 204 is horizontally and fixedly mounted at the upper part in the cylindrical shell 201, and circular mounting holes are distributed on the horizontal mounting plate 204; each filter bag unit is fixedly arranged on each circular mounting hole; elastic supporting mechanisms for supporting the filter bag units are correspondingly arranged on the inner bottom of the cylindrical shell 201 and below the circular mounting holes; the vertical separation plate 205 is vertically arranged in the cylindrical shell 201 and is positioned below the horizontal mounting plate 204 and used for separating a cavity below the horizontal mounting plate 204 into a primary filtering cavity and a secondary filtering cavity; the upper-layer partition plate 206 is vertically arranged above the horizontal mounting plate 204 and is used for dividing a cavity above the horizontal mounting plate 204 into a primary air inlet cavity and a secondary air inlet cavity; a strip-shaped communication hole 226 is formed in the horizontal mounting plate 204 and located between the vertical partition plate 205 and the upper partition plate 206, and the strip-shaped communication hole 226 is used for communicating the primary filtering cavity with the secondary air inlet cavity; a purification air inlet 207 communicated with the primary air inlet cavity is arranged on the upper cover plate 202; a purification air outlet 208 communicated with the secondary filtering cavity is arranged on the outer wall of the cylindrical shell 201; a flow guide baffle 227 is movably and horizontally arranged in the primary air inlet cavity, conical funnels 228 are distributed on the flow guide baffle 227, and the lower funnel openings of the conical funnels 228 are respectively opposite to the upper bag openings of the filter bag units;

the air outlet pipe mouth 107 is communicated to the purification air inlet 207 through an air return pipeline 230; the hot air box 231 is installed in series on the connecting pipe between the purifying air outlet 208 and the air inlet pipe orifice 104.

The drying equipment, the hot air box 231 and the air flow filtering equipment are utilized to form hot air flow for circulating filtration and recycling, so that air pollution caused by the hot air flow carrying dust can be avoided, and the energy consumption is reduced by the circulating utilization of the hot air flow; heat dissipation can be realized by using the heat dissipation cylinder 109 and the flow guide strip-shaped plate 111 arranged at the orifice of the heat dissipation strip-shaped hole 110, so that heat is prevented from being transferred to the driving motor 108, and the service life of the driving motor 108 is ensured; the two strip-shaped side plates 124 and the two material lifting plates 125 form a material lifting unit, so that materials in the fixed cylinder 101 can be lifted, and the materials are scattered and leaked through gaps on the lower side and the material lifting holes 126 after being rotated and lifted, and the materials are lifted and dried; the supporting height adjusting mechanism can be used for conveniently adjusting the height of the discharging channel 105, so that the left end opening of the fixed cylinder 101 is higher than the right end opening, and the sliding of materials to the discharging side is facilitated; the two strip-shaped transmission plates 131, the middle flat plate 132 and the vibrator 133 form a vibration mechanism, so that materials can be effectively prevented from being bonded on the inner side cylinder wall of the fixed cylinder 101; the cover plate 119 can be used for realizing wind-proof backflow at the lower port of the feeding channel 106, so that hot air leakage and waste are prevented; the lower port of the feeding channel 106 can be closed in time after feeding is finished by utilizing the closed pressure spring 121; a primary filtering cavity and a secondary filtering cavity are formed in the cylindrical shell 201 by utilizing the horizontal mounting plate 204, the vertical partition plate 205, the strip-shaped communication hole 226 and the upper partition plate 206, so that each filter bag unit is used for filtering twice, the air can be filtered cleanly, and dust extrusion in a hot air box is prevented; the guide baffle and the conical funnel can prevent dust from being accumulated on the horizontal mounting plate 204 and guide the dust to each filter bag unit; the elastic supporting mechanism can be used for elastically supporting the filter bag unit, so that the filter bag unit is not in a suspended state.

Further, the filter bag unit comprises a dust filter bag 215, a filter bag support frame 216 and two Z-shaped press buttons 225; an annular support ring 213 is arranged on the upper end bag mouth of the dust filter bag 215, and the outer ring diameter of the annular support ring 213 is larger than the aperture of the circular mounting hole; the filter bag support frame 216 is inserted into the dust filter bag 215 and is used for supporting the dust filter bag 215; a pressing ring 214 is arranged at the upper end of the filter bag support frame 216, and the diameter of the outer ring of the pressing ring 214 is larger than that of the inner ring of the annular support ring 213; when the filter bag unit is installed on the circular installation hole, the annular support ring 213 is pressed on the horizontal installation plate 204, and the pressing ring 214 is pressed on the annular support ring 213; the two Z-shaped pressing buttons 225 are rotatably arranged on the horizontal mounting plate 204 through pin shafts 233 and are close to the round mounting holes; a limiting convex ring 232 is arranged at the upper end of the pin shaft 233, and a locking pressure spring 234 is sleeved on the pin shaft 233; the locking compression spring 234 is elastically supported between the limiting convex ring 232 and the Z-shaped pressing buckle 225; the Z-shaped pressing button 225 is horizontally rotated and then used for pressing the pressing ring 214; a support ring 224 is horizontally arranged in the middle of the filter bag support frame 216. The Z-shaped pressing buckle 225 is a Z-shaped plate, and presses the upper plate on the pressing ring 214 through the compression spring 234 after the Z-shaped pressing buckle horizontally rotates; the pressing ring 214 can be pressed by the Z-shaped pressing button 225, and the filter bag unit can be taken out by rotating the Z-shaped pressing button 225 during maintenance; the dust filter bag 215 can be spread by using the filter bag support frame 216, so that the filter surface of the dust filter bag 215 is fully utilized; the structural strength of the filter bag support frame 216 can be enhanced by the support ring 224.

Further, the elastic support mechanism comprises a lower sleeve 218, a telescopic rod 220 and a support disc 221; the lower sleeve 218 is vertically and fixedly arranged on the inner bottom of the cylindrical shell 201, and a supporting pressure spring 219 is arranged in the lower sleeve 218; the lower end of the telescopic rod 220 is inserted into the lower sleeve 218 and pressed on the supporting pressure spring 219; the supporting disk 221 is horizontally installed on the upper end of the telescopic rod 220, and a radial supporting rod 222 is radially arranged on the circumferential edge of the supporting disk 221; an upwardly bent elbow 223 is provided at the end of each radial support bar 222. The dust filter bag 215 can be elastically supported by the elastic supporting mechanism, so that the dust filter bag 215 is not in a suspended state; the bend 223 can be used to limit the position of the bottom of the dust filter bag 215.

Further, the side edge of the upper cover plate 202 is hinged on the upper nozzle edge of the cylindrical shell 201; a fixed seat 210 is arranged on the outer side wall of the upper opening of the cylindrical shell 201; a mounting round hole is vertically arranged on the fixed seat 210, and a locking screw 211 is inserted in the mounting round hole in a penetrating manner; a pressing rod 212 is vertically arranged at the upper end of the locking screw 211, and a locking nut 217 is screwed on the lower end of the locking screw 211; the locking screw 211 is rotated so that the pressing rod 212 is pressed on the upper side surface of the upper cover plate 202, and compression-locked by rotating the lock nut 217. The opening and closing of the hingedly installed upper cover plate 202 can be facilitated by the locking structure of the locking screw 211, the pressing rod 212, and the lock nut 217.

Further, a cover handle 209 is provided on the upper side surface of the upper cover 202; two lifting handles 229 are provided on the deflector 227. The upper cover 202 can be easily opened by the cover handle 209, and the guide baffle 227 can be easily lifted by the two lifting handles 229, so that the filter bag unit can be easily taken out.

Further, a diffusion impeller 116 is rotatably mounted in the intake cone 103 near the intake nozzle 104 by an impeller bracket 115. Rapid and uniform diffusion of the hot air can be achieved with the use of the rotatably mounted diffusion impeller 116.

Further, an insulating layer 102 is coated outside the fixed cylinder 101. The heat dissipation of the fixed cylinder 101 can be reduced by the insulating layer 102.

Further, the hinge support mechanism includes an upper side fixing seat 134, a bottom support shaft 137, a lower side support plate 136, and two support seats 135; the upper fixing seat 134 is fixedly arranged below the circumferential outer cylinder wall of the fixed cylinder 101, and the bottom supporting shaft 137 is longitudinally arranged on the upper fixing seat 134; the two support brackets 135 are fixedly installed on the lower support plate 136, and semicircular support notches 138 are formed in the upper sides of the two support brackets 135; the two end shaft heads of the bottom supporting shaft 137 are respectively supported on the semicircular supporting notches 138 of the two supporting brackets 135. By matching the bottom support shaft 137 with the semicircular support notch 138, the rotary support requirement can be met when the support height adjusting mechanism is used for height adjustment.

Further, the support height adjusting mechanism comprises a lower side mounting plate 143, two counter-pull supports 146, a counter-pull bolt 147, an upper extrusion seat 142, an upper side hinge seat 141 and two support hinge seats 139; two support hinge seats 139 are fixedly arranged below the circumferential outer cylinder wall of the fixed cylinder 101, and an upper hinge seat 141 is hinged on the two support hinge seats 139 through support hinge short shafts 140 on two sides; the axial lead of the support hinge short shaft 140 is vertical to the axial lead of the fixed cylinder 101; a T-shaped sliding groove 144 is longitudinally arranged on the upper side surface of the lower mounting plate 143; two T-shaped sliding blocks 145 are slidably mounted in the T-shaped sliding grooves 144; the two opposite-pulling supports 146 are respectively and fixedly arranged on the two T-shaped sliding blocks 145; the split bolts 147 are arranged on the two split supports 146 in a split manner and used for adjusting the distance between the two split supports 146 in a split manner; an inclined slope surface 149 is arranged at the upper edge of the opposite side surfaces of the two opposite pull supports 146; the upper pressing base 142 is fixedly installed in the middle of the lower side surface of the upper hinged base 141, and two upper pressing surfaces 148 respectively supported on the two inclined slopes 149 are arranged on the upper pressing base 142. The distance between the two counter-pulling support blocks 146 is adjusted by the counter-pulling bolt 147, so that the upper pressing block 142 is pressed to adjust the lifting height.

Further, the end of the rotary drum 127 near the air intake conical cover 103 side is provided with a conical end 123. The use of a conical tip 123 reduces the obstruction of the hot gas flow by the tip.

When the environment-friendly material drying system is used, firstly, the supporting height is adjusted by the supporting height adjusting mechanism according to the property of the processed wet material, so that the inclination of the fixed cylinder 101 is adjusted, and the adjustment of the retention time of the wet material in the fixed cylinder 101 is realized; wet materials enter the fixed cylinder 101 from the feeding channel 106, hot air enters the fixed cylinder 101 from the air inlet pipe orifice 104, dry materials are discharged out of the fixed cylinder 101 from the discharging channel 105, and the wet hot air is discharged out of the fixed cylinder 101 from the air outlet pipe orifice 107; the rotary drum 127 is coaxially arranged in the fixed cylinder 101, so that an annular heating cavity is formed, and wet materials are fully heated and dried in the annular heating cavity; the material lifting unit consisting of the two strip-shaped side plates 124 and the two material lifting plates 125 can shovel wet materials into the material lifting unit from the splayed opening, and the wet materials are thrown out from gaps on the lower side of the splayed shape and the material lifting holes 126 in the rotating process, so that the full material lifting is realized, and the moisture is taken away under the flowing of hot air; the discharge channel 105 and the air outlet pipe opening 107 are arranged to discharge the dried material and the air at the outlet of the tail part respectively, so that the hot air can be recycled, and the hot air with dust discharged from the air outlet pipe opening 107 is sent to the airflow filtering equipment for purification through the air return pipeline 230; the dust filter bag 215 in the secondary filtering cavity and the dust filter bag 215 in the primary filtering cavity can carry out filtering twice, so that the air is ensured to be filtered cleanly; the airflow containing dust enters the primary air inlet cavity from the purification air inlet 207 and then enters each filter bag unit for primary filtration; the airflow after primary filtration enters a secondary air inlet cavity and then enters each filter bag unit for secondary filtration; the airflow after the two times of filtering is discharged from the purification air outlet 208; the purified air flow is heated by a hot air box 231 and then is sent into an air inlet pipe opening 104; as the dust in the dust filter bag 215 increases, the elastic support mechanism can provide sufficient support force for the dust filter bag 215; during maintenance, the upper cover plate 202 is opened, and each Z-shaped pressing buckle 225 is rotated, so that each dust filter bag 215 together with the filter bag support frame 216 is pulled out from the circular mounting hole, and dust in each dust filter bag 215 is poured out.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an environment-friendly material drying system which characterized in that: comprises a drying device, a hot air box (231) and an airflow filtering device;

the drying equipment comprises a fixed cylinder (101), a rotary drum (127), a driving motor (108), a driving rotating shaft (113), an air inlet conical cover (103) and a discharging channel (105); the fixed cylinder (101) is horizontally and transversely installed, and a hinged supporting mechanism and a supporting height adjusting mechanism are respectively arranged below two ends of the circumferential outer cylinder wall of the fixed cylinder (101) so that the left end cylinder opening of the fixed cylinder (101) is higher than the right end cylinder opening; the driving motor (108) is fixedly arranged above the circumferential outer cylinder wall of the fixed cylinder (101), and a heat dissipation cylinder (109) is coaxially and fixedly arranged at the end part of an output shaft of the driving motor (108); at least two heat dissipation strip-shaped holes (110) are formed in the circumferential cylinder wall of the heat dissipation cylinder (109) along the axial direction of the heat dissipation cylinder, and a flow guide strip-shaped plate (111) is arranged at the orifice of each heat dissipation strip-shaped hole (110); the length edge of one side of the flow guide strip-shaped plate (111) extends out of the heat dissipation strip-shaped hole (110), and the extending edge bends and inclines towards the rotating direction of the heat dissipation cylinder (109); the driving rotating shaft (113) is rotatably arranged above the circumferential outer cylinder wall of the fixed cylinder (101) through a rotating shaft support (112), one end of the driving rotating shaft (113) is fixedly arranged on the end surface of the heat dissipation cylinder (109) coaxially, and the other end of the driving rotating shaft (113) is fixedly provided with a driving gear (114); a suspension bar-shaped chain box (118) and a suspension bar-shaped mounting plate (128) are respectively and vertically arranged above two ends of the circumferential inner cylinder wall of the fixed cylinder (101); one end of the rotary roller (127) is rotatably arranged on the lower end part of the suspension bar-shaped chain box (118) through a driving roller shaft (122), and a driven gear is fixedly arranged on the driving roller shaft (122) and positioned in the suspension bar-shaped chain box (118); the other end of the rotary drum (127) is rotatably mounted on the lower end part of the suspension strip-shaped mounting plate (128) through a supporting rotating shaft; the driving gear (114) drives the driven gear in a rotating way through a driving chain (117); the fixed cylinder (101) and the rotary drum (127) are positioned on the same axial line; each material lifting unit is distributed on the circumferential outer cylinder wall of the rotary drum (127), and each material lifting unit consists of two strip-shaped side plates (124) and two material lifting plates (125); the two material raising plates (125) are transversely arranged between the two strip-shaped side plates (124), and the two material raising plates (125) are relatively inclined in a splayed shape; the two material raising plates (125) are distributed with material raising holes (126); the two strip-shaped side plates (124) are both arranged on the circumferential outer cylinder wall of the rotary drum (127) along the radial direction of the rotary drum, and the plate surfaces of the strip-shaped side plates (124) are vertical to the axial direction of the rotary drum (127); the splayed opening formed by the two material raising plates (125) faces to the rotating direction of the rotary drum (127), and the edges of the material raising plates (125) on the outer side are parallel to and close to the circumferential inner cylinder wall of the fixed cylinder (101); the air inlet conical cover (103) is installed on the left end opening of the fixed cylinder (101) in a butt joint mode, and an air inlet pipe opening (104) is arranged at the left end of the air inlet conical cover (103); a feeding channel (106) is arranged on the air inlet conical cover (103) and above the air inlet pipe orifice (104), and the feeding channel (106) slants downwards and extends into the air inlet conical cover (103); a cover plate (119) is hinged at the upper edge of the lower port of the feeding channel (106) in the air inlet conical cover (103); a pressure spring seat (120) is arranged on the inner wall of the upper side of the air inlet conical cover (103), and a closed pressure spring (121) is fixedly arranged on the pressure spring seat (120); the lower end of the closed pressure spring (121) is elastically pressed on the side surface of the cover plate (119) and is used for elastically pressing the cover plate (119) on the lower port of the air inlet conical cover (103); the discharge channel (105) is installed on a cylinder opening at the right end of the fixed cylinder (101) in a butt joint mode, and an air outlet pipe opening (107) is arranged above the discharge channel (105) in a communicated mode; two strip-shaped transmission plates (131) are transversely arranged below the middle part of the circumferential outer cylinder wall of the fixed cylinder (101), and the plate surfaces of the two strip-shaped transmission plates (131) are vertical; a middle flat plate (132) is arranged at the middle of the lower side edges of the two strip-shaped transmission plates (131); a vibrator (133) is arranged on the middle flat plate (132);

the airflow filtering device comprises a cylindrical shell (201), an upper cover plate (202), a horizontal mounting plate (204), a vertical separation plate (205), an upper separation plate (206) and each filter bag unit; the upper cover plate (202) is covered on the upper side opening of the cylindrical shell (201); a support leg (203) is vertically arranged at the bottom of the cylindrical shell (201); the horizontal mounting plate (204) is horizontally and fixedly mounted at the upper part in the cylindrical shell (201), and circular mounting holes are distributed on the horizontal mounting plate (204); each filter bag unit is fixedly arranged on each circular mounting hole; elastic supporting mechanisms for supporting the filter bag units are correspondingly arranged on the inner bottom of the cylindrical shell (201) and below the circular mounting holes; the vertical separation plate (205) is vertically arranged in the cylindrical shell (201) and positioned below the horizontal mounting plate (204) and is used for separating a cavity below the horizontal mounting plate (204) into a primary filtering cavity and a secondary filtering cavity; the upper-layer partition plate (206) is vertically arranged above the horizontal mounting plate (204) and is used for dividing a cavity above the horizontal mounting plate (204) into a primary air inlet cavity and a secondary air inlet cavity; a strip-shaped communication hole (226) is formed in the horizontal mounting plate (204) and located between the vertical partition plate (205) and the upper partition plate (206), and the strip-shaped communication hole (226) is used for communicating the primary filtering cavity with the secondary air inlet cavity; a purification air inlet (207) communicated with the primary air inlet cavity is arranged on the upper cover plate (202); a purification air outlet (208) communicated with the secondary filtering cavity is arranged on the outer wall of the cylindrical shell (201); a flow guide baffle (227) is movably and horizontally arranged in the primary air inlet cavity, conical funnels (228) are distributed on the flow guide baffle (227), and the lower funnel openings of the conical funnels (228) are respectively opposite to the upper bag openings of the filter bag units;

the air outlet pipe orifice (107) is communicated to the purification air inlet (207) through an air return pipeline (230); the hot air box (231) is serially arranged on a connecting pipeline between the purification air outlet (208) and the air inlet pipe orifice (104).

2. The environment-friendly material drying system of claim 1, wherein: the filter bag unit comprises a dust filter bag (215), a filter bag support frame (216) and two Z-shaped press buckles (225); an annular support ring (213) is arranged on the upper end bag mouth of the dust filter bag (215), and the diameter of the outer ring of the annular support ring (213) is larger than the aperture of the circular mounting hole; the filter bag support frame (216) is inserted in the dust filter bag (215) and is used for supporting the dust filter bag (215); a pressing ring (214) is arranged at the upper end of the filter bag support frame (216), and the diameter of the outer ring of the pressing ring (214) is larger than that of the inner ring of the annular support ring (213); when the filter bag unit is installed on the circular installation hole, the annular support ring (213) is pressed on the horizontal installation plate (204), and the pressing ring (214) is pressed on the annular support ring (213); the two Z-shaped pressing buckles (225) are rotatably arranged on the horizontal mounting plate (204) through pin shafts (233) and close to the round mounting hole; a limiting convex ring (232) is arranged at the upper end of the pin shaft (233), and a locking pressure spring (234) is sleeved on the pin shaft (233); the locking compression spring (234) is elastically supported between the limiting convex ring (232) and the Z-shaped pressing buckle (225); the Z-shaped pressing buckle (225) is horizontally rotated and then is used for pressing the pressing ring (214); the middle part of the filter bag support frame (216) is horizontally provided with a support ring (224).

3. The environment-friendly material drying system of claim 1, wherein: the elastic supporting mechanism comprises a lower sleeve (218), a telescopic rod (220) and a supporting disc (221); the lower sleeve (218) is vertically and fixedly arranged on the inner bottom of the cylindrical shell (201), and a supporting pressure spring (219) is arranged in the lower sleeve (218); the lower end of the telescopic rod (220) is inserted into the lower sleeve (218) and pressed on the supporting pressure spring (219); the supporting disc (221) is horizontally arranged on the upper end of the telescopic rod (220), and radial supporting rods (222) are arranged on the circumferential edge of the supporting disc (221) along the radial direction; an upward bent elbow (223) is arranged at the end of each radial support rod (222).

4. The environment-friendly material drying system of claim 1, wherein: the side edge of the upper cover plate (202) is hinged and installed on the edge of an upper cylinder mouth of the cylindrical shell (201); a fixed seat (210) is arranged on the outer side wall of an upper cylinder opening of the cylindrical shell (201); a mounting round hole is vertically arranged on the fixed seat (210), and a locking screw rod (211) is inserted in the mounting round hole in a penetrating manner; a pressing rod (212) is vertically arranged at the upper end of the locking screw rod (211), and a locking nut (217) is screwed on the lower end of the locking screw rod (211); the locking screw (211) is rotated so that the pressing rod (212) presses the upper side surface of the upper cover plate (202), and is compression-locked by rotating the lock nut (217).

5. The environment-friendly material drying system of claim 4, wherein: a cover plate handle (209) is arranged on the upper side surface of the upper cover plate (202); two lifting handles (229) are arranged on the diversion baffle plate (227).

6. The environment-friendly material drying system of claim 1, wherein: a diffusion impeller (116) is rotatably arranged in the air inlet conical cover (103) and close to the air inlet pipe orifice (104) through an impeller bracket (115).

7. The environment-friendly material drying system of claim 1, wherein: an insulating layer (102) is coated outside the fixed cylinder (101).

8. The environment-friendly material drying system of claim 1, wherein: the hinged support mechanism comprises an upper side fixed seat (134), a bottom support shaft (137), a lower side support plate (136) and two support supports (135); the upper side fixing seat (134) is fixedly arranged below the circumferential outer cylinder wall of the fixed cylinder (101), and the bottom supporting shaft (137) is longitudinally arranged on the upper side fixing seat (134); the two support supports (135) are fixedly arranged on the lower side support plate (136), and the upper sides of the two support supports (135) are provided with semicircular support notches (138); the two end shaft heads of the bottom supporting shaft (137) are respectively supported on the semicircular supporting notches (138) of the two supporting supports (135).

9. The environment-friendly material drying system of claim 1, wherein: the supporting height adjusting mechanism comprises a lower side mounting plate (143), two opposite-pulling supports (146), opposite-pulling bolts (147), an upper extrusion seat (142), an upper side hinge seat (141) and two supporting hinge seats (139); the two support hinge seats (139) are fixedly arranged below the circumferential outer cylinder wall of the fixed cylinder (101), and the upper hinge seat (141) is hinged on the two support hinge seats (139) through support hinge short shafts (140) on two sides; the axial lead of the supporting and hinging short shaft (140) is vertical to the axial lead of the fixed cylinder (101); a T-shaped sliding groove (144) is longitudinally arranged on the upper side surface of the lower mounting plate (143); two T-shaped sliding blocks (145) are arranged in the T-shaped sliding groove (144) in a sliding manner; the two opposite-pulling supports (146) are respectively and fixedly arranged on the two T-shaped sliding blocks (145); the split bolts (147) are arranged on the two split supports (146) in a split manner and used for adjusting the distance between the two split supports (146) in a split manner; an inclined slope surface (149) is arranged at the upper edge of the opposite side surfaces of the two opposite pull supports (146); the upper extrusion seat (142) is fixedly arranged in the middle of the lower side surface of the upper hinged seat (141), and two upper extrusion surfaces (148) which are respectively supported on the two inclined slope surfaces (149) are arranged on the upper extrusion seat (142).

10. The environment-friendly material drying system of claim 1, wherein: the end of the rotary drum (127) close to the air inlet conical cover (103) is provided with a conical end (123).