CN111112084B

CN111112084B - Wind power powder selecting system

Info

Publication number: CN111112084B
Application number: CN201911361686.6A
Authority: CN
Inventors: 王凯
Original assignee: Yancheng Putian Coating Industry Co ltd
Current assignee: Yancheng Putian Coating Industry Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2023-06-30
Anticipated expiration: 2039-12-26
Also published as: CN111112084A

Abstract

The invention discloses a pneumatic powder selecting system, which comprises pneumatic powder selecting equipment and filtering powder selecting equipment; the wind power powder selecting device comprises a powder selecting cylinder, a conical top cover, a funnel-shaped bottom shell, an impeller motor, a powder inlet pipe, a conveying motor, a spiral conveying channel and a fine powder collecting cylinder; the filtering and powder selecting device comprises a cylindrical shell, an upper cover plate, a horizontal mounting plate, a lower partition plate, an upper partition plate, a secondary filtering switching mechanism and filter bag units. The pneumatic powder selecting system utilizes the combination of pneumatic powder selecting equipment and filtering powder selecting equipment, can obtain powder selecting powder in at least three diameter ranges, can ensure that the air finally discharged is clean enough, and avoids polluting the air.

Description

Wind power powder selecting system

Technical Field

The invention relates to a powder selecting system, in particular to a wind power powder selecting system.

Background

At present, the existing powder concentrator is fixed in structure, and mixed particles can only be separated into two particles with fixed diameter proportion, but the diameters of the separated fine particles cannot be adjusted according to the on-site powder concentration requirement; and the exhaust air flow of the wind power selection device also carries a large amount of fine powder without further powder selection, and because the finer fine powder is not in the powder selection range of the wind power selection device, great waste is caused. Therefore, it is necessary to design a pneumatic powder selecting system which can adjust the diameter of the separated fine particles, thereby realizing the best powder selecting effect and further selecting and recovering the finer powder in the exhaust air flow.

Disclosure of Invention

The invention aims to: the wind power powder selecting system can adjust the diameter of fine particles selected by separation, so that the optimal powder selecting effect is realized, and finer powder in the exhaust air flow can be further selected and recovered.

The technical scheme is as follows: the wind power selecting system comprises wind power selecting equipment and filtering powder selecting equipment;

the wind power powder selecting device comprises a powder selecting cylinder, a conical top cover, a funnel-shaped bottom shell, an impeller motor, a powder inlet pipe, a conveying motor, a spiral conveying channel and a fine powder collecting cylinder; the fine ash collecting cylinder is arranged at the periphery of the upper end cylinder opening of the ash selecting cylinder, and the upper cylinder opening of the fine ash collecting cylinder is higher than the upper cylinder opening of the ash selecting cylinder; the conical top cover is covered on the upper end cylinder mouth of the fine ash collecting cylinder, and a top air outlet is arranged at the conical top part of the conical top cover; the edge of the lower cylinder opening of the fine ash collecting cylinder is sealed with the outer wall of the ash selecting cylinder through a sealing plate, and a fine ash outlet communicated with the interior of the fine ash collecting cylinder is arranged on the sealing plate; the funnel-shaped bottom shell is fixedly arranged on a lower end cylinder opening of the ash selecting cylinder; the feeding end part of the spiral conveying channel is butted with the funnel mouth at the lower end of the funnel-shaped bottom shell; the conveying motor is arranged on the discharge end part of the spiral conveying channel and is used for driving a conveying auger in the spiral conveying channel to rotate; a coarse ash outlet is arranged below the discharge end part of the spiral conveying channel; the ash inlet pipe vertically penetrates through the funnel-shaped bottom shell and enters the ash selecting cylinder; the impeller motor is fixedly arranged on the outer wall of the ash selecting cylinder through a motor bracket; a shaft sleeve is horizontally arranged in the ash selecting cylinder along the radial direction, and a gear box is arranged at the end part of the shaft sleeve; an impeller rotating shaft is vertically and rotatably arranged on the gear box, and fan blades are arranged at the upper end part of the impeller rotating shaft; the impeller rotating shaft drives the fan blades to rotate so as to push the air flow to move upwards; the impeller rotating shaft is positioned on the axis of the ash selecting cylinder and above the upper pipe orifice of the ash inlet pipe; a driven bevel gear is fixedly arranged on the impeller rotating shaft and positioned in the gear box; a driving rotating shaft is rotatably arranged in the shaft sleeve, one end of the driving rotating shaft is in butt joint with an output shaft of the impeller motor, the other end of the driving rotating shaft stretches into the gear box, and a driving bevel gear meshed with the driven bevel gear is arranged on the stretching end; a guide cone-shaped funnel is arranged at the upper cylinder opening of the ash selecting cylinder through three inclined rods, and the upper opening of the guide cone-shaped funnel protrudes out of the upper cylinder opening of the ash selecting cylinder; an adjusting sleeve is sleeved on the outer wall of the upper cylinder opening of the ash selecting cylinder; an adjusting rotating shaft is rotatably arranged on the outer wall of the ash selecting cylinder and below the adjusting sleeve; an adjusting cam is fixedly arranged on the adjusting rotating shaft, and the cam edge of the adjusting cam is supported on the lower edge of the adjusting sleeve; the end part of the adjusting rotating shaft extends out of the fine ash collecting cylinder, and a rotating rod is vertically arranged on the extending end; one end of the rotating rod is provided with a lifting adjusting handle, the other end of the rotating rod is provided with a pin hole, and a positioning pin is inserted into the pin hole; limiting blind holes are distributed on the outer wall of the fine ash collecting cylinder around the circumference of the adjusting rotating shaft; the end part of the positioning pin is inserted into the limiting blind hole at the corresponding position;

the filtering and powder selecting device comprises a cylindrical shell, an upper cover plate, a horizontal mounting plate, a lower partition plate, an upper partition plate, a secondary filtering switching mechanism and filter bag units; the upper cover plate is covered on the upper cylinder opening of the cylindrical shell; support legs are vertically arranged at the bottom of the cylindrical shell; the horizontal mounting plate is fixedly arranged 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; filter bag supporting mechanisms for supporting filter bag units are correspondingly arranged on the inner bottom of the cylindrical shell and below the circular mounting holes; the lower partition plate is vertically arranged in the cylindrical shell and positioned below the horizontal mounting plate and is used for partitioning a cavity below the horizontal mounting plate into a primary filtering cavity and a secondary filtering cavity; the upper 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 arranged on the horizontal mounting plate and positioned between the lower partition plate and the upper partition plate, and the strip-shaped communication hole is used for communicating the primary filtering cavity and the secondary air inlet cavity; an air inlet pipe orifice communicated with the primary air inlet cavity is arranged on the outer wall of the upper part of the cylindrical shell; an air outlet pipe orifice communicated with the secondary filtering cavity is arranged on the outer wall of the lower part of the cylindrical shell; the secondary filtration switching mechanism comprises a lifting adjusting rod, a strip plate, an upper sealing plate and a lower sealing plate; the upper layer sealing plate is vertically arranged on the left edge of the upper side surface of the strip-shaped plate, and the lower layer sealing plate is vertically arranged on the right edge of the lower side surface of the strip-shaped plate; the strip-shaped plate is positioned below the horizontal mounting plate, the upper-layer sealing plate penetrates through the strip-shaped communication hole and is tightly attached to the left side face of the upper-layer separation plate, and the lower-layer sealing plate is tightly attached to the right side face of the lower-layer separation plate; the upper end of the lifting adjusting rod is rotatably arranged at the center of the lower side surface of the strip-shaped plate; the lower end of the lifting adjusting rod is provided with an adjusting external thread, and the lifting adjusting rod is screwed on an adjusting threaded hole at the bottom of the cylindrical shell through the adjusting external thread; the lower end of the lifting adjusting rod penetrates through the bottom of the cylindrical shell, and an adjusting crank is arranged on the lower end part of the lifting adjusting rod; an upper layer ventilation hole is formed in the upper layer sealing plate, and a lower layer ventilation hole is formed in the lower layer sealing plate; a lower partition plate hole is formed in the lower partition plate, and an upper partition plate hole is formed in the upper partition plate; when the lifting adjusting rod pushes the strip-shaped plate to ascend and then closes the strip-shaped communication hole, the lower baffle plate hole is correspondingly communicated with the lower layer ventilation hole, and the upper layer ventilation hole is correspondingly communicated with the upper baffle plate hole; after the lifting adjusting rod pulls the strip-shaped plate to descend, the upper sealing plate seals the upper baffle holes, and the lower sealing plate seals the lower baffle holes;

the top air outlet is communicated with the air inlet pipe opening through a ventilating pipeline.

Further, a limiting fence is arranged above the upper pipe orifice of the ash inlet pipe through an inclined stay bar, and the limiting fence is positioned below the fan blades.

Further, a vibrating hammer is arranged on the outer cylinder wall of the fine ash collecting cylinder.

Further, a top cover supporting rod is vertically arranged on the upper cylinder opening of the ash selecting cylinder, and the upper end of the top cover supporting rod is fixedly arranged on the inner cone wall of the cone-shaped top cover.

Further, the lower nozzle edge of the fine ash collecting cylinder is provided with a chamfer edge which is inclined to the fine ash outlet, so that the sealing plate forms an inclined slope surface which is inclined to the fine ash outlet after being sealed along the chamfer edge.

Further, the filter bag unit comprises a filter bag, a filter bag supporting frame and a Z-shaped pressing buckle; an annular supporting ring is arranged on the upper end bag mouth of the filter bag, and the diameter of the outer ring of the annular supporting ring is larger than the aperture of the circular mounting hole; the filter bag support frame is inserted into the filter bag and used for supporting the 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 installed on the circular installation hole, the annular supporting ring is pressed on the horizontal installation plate, and the pressing ring is pressed on the annular supporting ring; the Z-shaped pressing button is horizontally and rotatably arranged on the horizontal mounting plate and is pressed on the pressing ring after rotating.

Further, a support ring is horizontally arranged in the middle of the filter bag support frame.

Further, the filter bag supporting mechanism comprises an adjusting screw, an upper sleeve and a supporting disc; the adjusting screw is vertically and fixedly arranged on the inner bottom of the cylindrical shell; the lower end of the upper sleeve is provided with an internal thread; the upper end of the adjusting screw rod is screwed on the internal thread at the lower end; the supporting disc is horizontally arranged at the upper end of the upper sleeve, 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 protection rods which are bent upwards and extend, and the upper ends of the protection rods of the same filter bag support mechanism are fixedly arranged on the same fixed ring.

Further, the upper cover plate is hinged on the upper cylinder opening of the cylindrical shell, an upper locking fixed block is arranged on the circumferential edge of the upper cover plate, and a lower locking fixed block corresponding to the upper locking fixed block is arranged on the outer side of the upper cylinder opening of the cylindrical shell; the upper locking fixed block and the lower locking fixed block are fixedly installed through locking bolts.

Further, a cover plate lifting lug is arranged on the upper side surface of the upper cover plate; two overhaul windows which are respectively communicated with the primary filter cavity and the secondary filter cavity are arranged on the outer wall of the lower part of the cylindrical shell; an access door is hinged at each of the two access windows; door handles are mounted on both access doors.

Compared with the prior art, the invention has the beneficial effects that: the combination of the pneumatic powder selecting equipment and the filtering powder selecting equipment can obtain powder selecting of at least three diameter ranges, ensure that the finally discharged air is clean enough and avoid polluting the air; the side driving mechanism is formed by the shaft sleeve, the gear box, the impeller rotating shaft, the driven bevel gear and the driving bevel gear, so that the driving rotating shaft is prevented from being arranged from the top or the bottom, and the top air outlet and the ash inlet pipe can be designed at the center, so that the side driving mechanism has good feeding and air outlet effects; the material with small particle diameter can be guided into the fine ash collecting cylinder by using the guide cone funnel; the height of the adjusting sleeve can be adjusted according to the separation requirement of the powder on site by utilizing the adjusting sleeve and the cam adjusting mechanism, so that the height of the upper cylinder opening of the ash selecting cylinder is indirectly adjusted, and the particle diameter carried by the higher height is smaller as the wind force is attenuated upwards, the particle diameter falling into the fine ash collecting cylinder is smaller as the height is higher, and the particle diameter falling into the fine ash collecting cylinder can be adjusted through the height adjustment of the adjusting sleeve, so that the requirement of on-site powder selecting adjustment is met; the dust classification and filtration of different particle diameters can be realized by utilizing the twice filtration of the primary filtration cavity and the twice filtration cavity, so that the classification and collection of finer powder are facilitated; the secondary filtering switching mechanism is formed by the lifting adjusting rod, the strip-shaped plate, the upper sealing plate and the lower sealing plate, so that the quick switching can be performed according to the mixed components of the on-site gas, the requirement of filtering and selecting powder as required is met, and the trouble of replacing the filter bag is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall system architecture of the present invention;

FIG. 2 is a schematic structural view of the pneumatic powder selecting device of the invention;

FIG. 3 is a schematic view of a fan blade mounting structure according to the present invention;

fig. 4 is a schematic diagram of a filtering and powder selecting device according to the present invention.

Detailed Description

The technical scheme 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 to 4, the wind power selection system according to the present invention includes: the wind power powder selecting device and the filtering powder selecting device;

the wind power powder selecting device comprises a powder selecting cylinder 101, a conical top cover 103, a funnel-shaped bottom shell 120, an impeller motor 108, a powder inlet pipe 117, a conveying motor 125, a spiral conveying channel 123 and a fine powder collecting cylinder 102; the fine ash collecting cylinder 102 is arranged at the periphery of the upper end cylinder opening of the ash selecting cylinder 101, and the upper cylinder opening of the fine ash collecting cylinder 102 is higher than the upper cylinder opening of the ash selecting cylinder 101; the conical top cover 103 is covered on the upper end cylinder mouth of the fine ash collecting cylinder 102, and a top air outlet 104 is arranged at the conical top part of the conical top cover 103; the edge of the lower cylinder opening of the fine ash collecting cylinder 102 is sealed with the outer wall of the ash selecting cylinder 101 through a sealing plate, and a fine ash outlet 106 communicated with the interior of the fine ash collecting cylinder 102 is arranged on the sealing plate; the funnel-shaped bottom shell 120 is fixedly arranged on the lower end cylinder mouth of the ash selecting cylinder 101; the feeding end of the spiral conveying channel 123 is in butt joint with a funnel mouth at the lower end of the funnel-shaped bottom shell 120; the conveying motor 125 is installed on the discharge end of the screw conveying channel 123 and is used for driving a conveying auger in the screw conveying channel 123 to rotate; a coarse ash outlet 124 is arranged below the discharge end part of the spiral conveying channel 123; the ash inlet pipe 117 vertically penetrates through the funnel-shaped bottom shell 120 to enter the ash selecting cylinder 101; the impeller motor 108 is fixedly arranged on the outer wall of the ash selecting cylinder 101 through a motor bracket 109; a shaft sleeve 110 is horizontally arranged in the ash selecting cylinder 101 along the radial direction, and a gear box 111 is arranged at the end part of the shaft sleeve 110; an impeller rotating shaft 112 is vertically and rotatably arranged on the gear box 111, and fan blades 113 are arranged at the upper end part of the impeller rotating shaft 112; the impeller rotating shaft 112 drives the fan blades 113 to rotate so as to push the air flow to move upwards; the impeller rotating shaft 112 is positioned on the axis of the ash selecting cylinder 101 and above the upper pipe orifice of the ash inlet pipe 117; a driven bevel gear 114 is fixedly arranged on the impeller rotating shaft 112 and positioned in the gear box 111; a driving rotating shaft 116 is rotatably installed in the shaft sleeve 110, one end of the driving rotating shaft 116 is in butt joint with the output shaft of the impeller motor 108, the other end of the driving rotating shaft 116 stretches into the gear box 111, and a driving bevel gear 115 meshed with the driven bevel gear 114 is arranged on the stretching end; a diversion cone funnel 126 is arranged at the upper cylinder opening of the ash selecting cylinder 101 through three inclined rods 122, and the upper opening of the diversion cone funnel 126 protrudes out of the upper cylinder opening of the ash selecting cylinder 101; an adjusting sleeve 127 is sleeved on the outer wall of the upper cylinder opening of the ash selecting cylinder 101; an adjusting rotating shaft 129 is rotatably installed on the outer wall of the ash selecting cylinder 101 below the adjusting sleeve 127; an adjusting cam 128 is fixedly mounted on the adjusting rotating shaft 129, and a cam edge of the adjusting cam 128 is supported on a lower edge of the adjusting sleeve 127; the end of the adjusting rotating shaft 129 extends out of the fine ash collecting cylinder 102, and a rotating rod 130 is vertically installed on the extending end; a lifting adjusting handle 131 is installed at one end of the rotating rod 130, a pin hole is formed at the other end of the rotating rod 130, and a positioning pin 132 is inserted into the pin hole; limiting blind holes are circumferentially distributed on the outer wall of the fine ash collecting cylinder 102 around the adjusting rotating shaft 129; the end part of the positioning pin 132 is inserted into the limiting blind hole at the corresponding position;

the filtering and powder selecting device comprises a cylindrical shell 201, an upper cover plate 202, a horizontal mounting plate 204, a lower partition plate 205, an upper partition plate 206, a secondary filtering switching mechanism and filter bag units; an upper cover plate 202 covers the upper cylinder mouth of the cylindrical shell 201; support legs 203 are vertically provided at the bottom of the cylindrical housing 201; the horizontal mounting plate 204 is 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; filter bag supporting mechanisms for supporting filter bag units are correspondingly arranged on the inner bottom of the cylindrical shell 201 and below the circular mounting holes; a lower partition plate 205 is vertically installed in the cylindrical housing 201 and located below the horizontal installation plate 204, for partitioning the cavity below the horizontal installation plate 204 into a primary filtration cavity and a secondary filtration cavity; an upper partition plate 206 is vertically installed above the horizontal installation plate 204, and is used for partitioning a cavity above the horizontal installation plate 204 into a primary air inlet cavity and a secondary air inlet cavity; a strip-shaped communication hole is arranged on the horizontal mounting plate 204 and positioned between the lower partition plate 205 and the upper partition plate 206, and the strip-shaped communication hole is used for communicating the primary filtering cavity and the secondary air inlet cavity; an air inlet pipe orifice 207 communicated with the primary air inlet cavity is arranged on the outer wall of the upper part of the cylindrical shell 201; an air outlet pipe orifice 208 communicated with the secondary filtering cavity is arranged on the outer wall of the lower part of the cylindrical shell 201; the secondary filtration switching mechanism comprises a lifting adjusting rod 220, a strip plate 230, an upper sealing plate 229 and a lower sealing plate 231; the upper closing plate 229 is vertically installed on the left edge of the upper side of the strip plate 230, and the lower closing plate 231 is vertically installed on the right edge of the lower side of the strip plate 230; the strip-shaped plate 230 is positioned below the horizontal mounting plate 204, the upper-layer sealing plate 229 passes through the strip-shaped communication hole and is tightly attached to the left side surface of the upper-layer separation plate 206, and the lower-layer sealing plate 231 is tightly attached to the right side surface of the lower-layer separation plate 205; the upper end of the elevation adjustment lever 220 is rotatably installed at the center of the lower side of the bar 230; an adjusting external thread 236 is provided on the lower end of the elevation adjusting lever 220, and is screwed on an adjusting threaded hole at the bottom of the cylindrical housing 201 through the adjusting external thread 236; the lower end of the lift adjustment lever 220 penetrates the bottom of the cylindrical housing 201, and an adjustment crank 237 is mounted on the lower end; an upper vent 232 is provided on the upper seal plate 229, and a lower vent 235 is provided on the lower seal plate 231; a lower partition plate hole 234 is provided in the lower partition plate 205, and an upper partition plate hole 233 is provided in the upper partition plate 206; when the lifting adjusting rod 220 pushes the strip-shaped plate 230 to ascend and then closes the strip-shaped communication hole, the lower partition plate hole 234 is correspondingly communicated with the lower layer ventilation hole 235, and the upper layer ventilation hole 232 is correspondingly communicated with the upper partition plate hole 233; after the lifting adjusting rod 220 pulls the strip plate 230 to descend, the upper sealing plate 229 seals the upper partition plate holes 233, and the lower sealing plate 231 seals the lower partition plate holes 234;

the top outlet 104 communicates with the inlet duct 207 via a ventilation duct 238.

The combination of the pneumatic powder selecting equipment and the filtering powder selecting equipment can obtain powder selecting of at least three diameter ranges, ensure that the finally discharged air is clean enough and avoid polluting the air; the shaft sleeve 110, the gear box 111, the impeller rotating shaft 112, the driven bevel gear 114 and the driving bevel gear 115 form a side driving mechanism, so that the driving rotating shaft is prevented from being arranged from the top or the bottom, and the top air outlet 104 and the ash inlet pipe 117 can be designed at the center, so that good feeding and air outlet effects are achieved; the material with small particle diameter can be guided into the fine ash collecting cylinder 102 by using the guide cone funnel 126; the height of the adjusting sleeve 127 can be adjusted according to the separation requirement of the powder on site by utilizing the adjusting sleeve 127 and the cam adjusting mechanism, so that the height of the upper cylinder mouth of the ash selecting cylinder 101 is indirectly adjusted, and the particle diameter carried by the higher height is smaller as the wind force is attenuated upwards, and the particle diameter falling into the fine ash collecting cylinder 102 is smaller as the height is higher, so that the particle diameter falling into the fine ash collecting cylinder 102 can be adjusted through the height adjustment of the adjusting sleeve 127, and the requirement of on-site powder selecting adjustment is met; the dust classification and filtration of different particle diameters can be realized by utilizing the twice filtration of the primary filtration cavity and the twice filtration cavity, so that the classification and collection of finer powder are facilitated; the secondary filtering switching mechanism is formed by the lifting adjusting rod 220, the strip-shaped plate 230, the upper sealing plate 229 and the lower sealing plate 231, so that the rapid switching can be performed according to the mixed components of the on-site gas, the requirement of filtering and selecting powder according to the requirement is met, and the trouble of replacing the filter bag 215 is avoided.

Further, a limiting fence 119 is installed above the upper pipe orifice of the ash inlet pipe 117 through an inclined stay 118, and the limiting fence 119 is located below the fan blades 113. The limiting fence 119 can guide the discharge of the ash inlet pipe 117, and the discharge can not be dispersed and fallen down below the fan blades 113 in a large amount.

Further, a rapping hammer 107 is provided on the outer cylinder wall of the fine ash collecting cylinder 102. The rapping hammer 107 prevents material from adhering to and accumulating on the inner wall of the fine ash collection drum 102.

Further, a top cover supporting rod 121 is vertically arranged on the upper cylinder mouth of the ash selecting cylinder 101, and the upper end of the top cover supporting rod 121 is fixedly arranged on the inner cone wall of the cone-shaped top cover 103. The stability of the installation of the conical top cover 103 can be enhanced by the top cover support bar 121.

Further, the lower nozzle edge of the fine ash collection bin 102 is configured as a beveled edge 105 that is beveled to the fine ash outlet 106 such that the closure plate forms a beveled ramp that is beveled to the fine ash outlet 106 after sealing along the beveled edge 105. The use of an inclined ramp ensures that no material remains in the cavity between the fine ash collection drum 102 and the ash selection drum 101.

Further, the filter bag unit includes a filter bag 215, a filter bag support 216, and a Z-shaped pressing button 228; an annular supporting ring 213 is arranged on the upper end pocket mouth of the filter bag 215, and the diameter of the outer ring of the annular supporting ring 213 is larger than the aperture of the circular mounting hole; the filter bag support frame 216 is inserted into the filter bag 215 and used for supporting the filter bag 215; a pressing ring 214 is arranged at the upper end of the filter bag supporting 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 supporting ring 213; when the filter bag unit is installed on the circular installation hole, the annular supporting ring 213 is pressed on the horizontal installation plate 204, and the pressing ring 214 is pressed on the annular supporting ring 213; the Z-shaped pressing button 228 is horizontally rotatably mounted on the horizontal mounting plate 204 and presses on the pressing ring 214 after rotation. The Z-shaped pressing buckle 228 is a Z-shaped plate, the lower layer plate is rotatably mounted on the horizontal mounting plate 204 through rivets, and the upper layer plate is just pressed on the pressing ring 214 after the horizontal rotation; the pressing ring 214 can be pressed and fixed by the Z-shaped pressing button 228, and the filter bag supporting frame 216 can be taken out by rotating the Z-shaped pressing button 228 during maintenance.

Further, a support ring 224 is horizontally provided at the middle of the filter bag support frame 216. The structural strength of the filter bag support bracket 216 can be enhanced with the support ring 224.

Further, the filter bag support mechanism includes an adjusting screw 218, an upper sleeve 219, and a support disc 221; an adjusting screw 218 is vertically fixedly installed on the inner bottom of the cylindrical housing 201; an internal thread is arranged at the lower end of the upper sleeve 219; the upper end of the adjusting screw 218 is screwed on the internal thread of the lower end; the support disc 221 is horizontally installed on the upper end of the upper sleeve 219, and radial support rods 222 are radially provided on the circumferential edge of the support disc 221; the end parts of the radial support rods 222 are provided with protective rods 223 which are bent upwards and extend, and the upper ends of the protective rods 223 of the same filter bag support mechanism are fixedly arranged on the same fixed ring 225. The filter bag 215 can be supported in height by the filter bag supporting mechanism, so that the filter bag 215 is ensured not to be in a suspended state; the outer protection is formed by the protection rod 223 and the fixed ring 225 to prevent the filter bag 215 from being skewed.

Further, the upper cover plate 202 is hinged on the upper nozzle of the cylindrical shell 201, and an upper locking fixing block 211 is arranged on the circumferential edge of the upper cover plate 202, and a lower locking fixing block 210 corresponding to the upper locking fixing block 211 is arranged on the outer side of the upper nozzle of the cylindrical shell 201; the upper locking fixing block 211 and the lower locking fixing block 210 are fixedly installed by a locking bolt 212. The upper cover plate 202 can be easily opened and closed by the hinge type mounting and the fixation of the locking bolt 212.

Further, a cover plate lifting lug 209 is arranged on the upper side surface of the upper cover plate 202; two maintenance windows which are respectively communicated with the primary filtering cavity and the secondary filtering cavity are arranged on the outer wall of the lower part of the cylindrical shell 201; an access door 226 is hingedly mounted at both access windows; door handles 227 are mounted on both access doors 226. The cover plate lifting lug 209 is utilized to facilitate the suspension and lifting of the upper cover plate 202 when the interior cleaning is performed; the use of two access doors 226 can facilitate access maintenance to the interior of the primary and secondary filter cavities.

When the wind power powder selecting system disclosed by the invention is used, a material is conveyed into the powder selecting cylinder 101 from the powder inlet pipe 117 by using a material lifting fan under high pressure, the impeller rotating shaft 112 drives the fan blades 113 to rotate so as to realize axial air supply, and the material is scattered and conveyed upwards under the action of the fan blades 113; during the conveying process, the materials with large particle diameters rise for a certain distance under the action of gravity and finally fall into the funnel-shaped bottom shell 120, are converged at the bottom and conveyed by the spiral conveying channel 123, and are finally discharged from the coarse ash outlet 124; the materials with small particle diameters meet the outer conical wall of the diversion conical funnel 126 after rising, are diffused to the periphery under the diversion effect of the outer conical wall, enter a cavity between the ash selecting cylinder 101 and the fine ash collecting cylinder 102, and finally are discharged from the fine ash outlet 106 after falling, and the materials with small particle diameters entering the diversion conical funnel 126 due to turbulent flow can fall from the funnel opening under the action of gravity to continue entering the airflow to participate in powder selecting; while the air stream carrying finer particles is discharged from the top outlet 104; if it is necessary to adjust the particle diameter falling into the fine ash collecting cylinder 102, the elevation adjusting knob 131 may be rotated so that the adjusting cam 128 is rotated to adjust the supporting height of the adjusting sleeve 127, and after the adjustment is completed, the limiting fixation is performed by the positioning pin 132, the higher the height of the adjusting sleeve 127, the smaller the particle diameter entering the fine ash collecting cylinder 102, the lower the height of the adjusting sleeve 127, and the larger the particle diameter entering the fine ash collecting cylinder 102.

Under the flowing action of the air flow, the air flow carrying finer particles is conveyed to the filtering powder selecting device through the air pipeline 238, the filter bag 215 positioned in the secondary filtering cavity can filter small-diameter particles, the filter bag 215 positioned in the primary filtering cavity can filter large-diameter particles, if the dust component in the air flow is single, only primary filtering powder selecting is needed, at the moment, the adjusting crank 237 is rocked, when the lifting adjusting rod 220 is utilized to push the strip-shaped plate 230 to lift and then seal the strip-shaped communication hole, the lower partition plate hole 234 is correspondingly communicated with the lower partition plate hole 235, the upper partition plate hole 232 is correspondingly communicated with the upper partition plate hole 233, so that the primary filtering cavity is communicated with the secondary filtering cavity, the primary air inlet cavity is communicated with the secondary air inlet cavity, and the air is filtered only once; if the conveyed air flow becomes complicated and dust particles with different diameters are mixed, secondary filtration classification is needed, at this time, the adjusting crank 237 is rocked, after the lifting adjusting rod 220 is used for pulling the strip-shaped plate 230 to descend, the upper sealing plate 229 seals the upper baffle hole 233, the lower sealing plate 231 seals the lower baffle hole 234, the primary filtration cavity is isolated from the secondary filtration cavity, the primary air inlet cavity is isolated from the secondary air inlet cavity, the primary filtration cavity is communicated with the secondary air inlet cavity, and the air is filtered twice, so that large-diameter particles and small-diameter particles are filtered respectively; the filtered air flow is finally discharged from the air outlet pipe orifice 208; as dust in the filter bag 215 increases, the filter bag support mechanism can provide sufficient support for the filter bag 215; during maintenance, the upper cover plate 202 can be opened, the Z-shaped pressing buckles 225 are rotated, so that the filter bags 215 and the filter bag supporting frames 216 are pulled out from the circular mounting holes together, dust in the filter bags 215 is poured out respectively for collection, and the inside of the primary filter cavity and the inside of the secondary filter cavity can be overhauled and maintained through the two access doors 226.

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

Claims

1. A wind power selecting system is characterized in that: comprises wind power powder selecting equipment and filtering powder selecting equipment;

the wind power powder selecting device comprises a powder selecting cylinder (101), a conical top cover (103), a funnel-shaped bottom shell (120), an impeller motor (108), a powder inlet pipe (117), a conveying motor (125), a spiral conveying channel (123) and a fine powder collecting cylinder (102); the fine ash collecting cylinder (102) is arranged at the periphery of the upper end cylinder opening of the ash selecting cylinder (101), and the upper cylinder opening of the fine ash collecting cylinder (102) is higher than the upper cylinder opening of the ash selecting cylinder (101); the conical top cover (103) is covered on the upper end cylinder mouth of the fine ash collecting cylinder (102), and a top air outlet (104) is arranged at the conical top part of the conical top cover (103); the edge of the lower cylinder opening of the fine ash collecting cylinder (102) is sealed with the outer wall of the ash selecting cylinder (101) through a sealing plate, and a fine ash outlet (106) communicated with the interior of the fine ash collecting cylinder (102) is arranged on the sealing plate; the funnel-shaped bottom shell (120) is fixedly arranged on the lower end cylinder opening of the ash selecting cylinder (101); the feeding end part of the spiral conveying channel (123) is in butt joint with a funnel mouth at the lower end of the funnel-shaped bottom shell (120); the conveying motor (125) is arranged on the discharging end part of the spiral conveying channel (123) and is used for driving a conveying auger in the spiral conveying channel (123) to rotate; a coarse ash outlet (124) is arranged below the discharge end part of the spiral conveying channel (123); the ash inlet pipe (117) vertically penetrates through the funnel-shaped bottom shell (120) and enters the ash selecting cylinder (101); the impeller motor (108) is fixedly arranged on the outer wall of the ash selecting cylinder (101) through a motor bracket (109); a shaft sleeve (110) is horizontally arranged in the ash selecting cylinder (101) along the radial direction, and a gear box (111) is arranged at the end part of the shaft sleeve (110); an impeller rotating shaft (112) is vertically and rotatably arranged on the gear box (111), and fan blades (113) are arranged at the upper end part of the impeller rotating shaft (112); the impeller rotating shaft (112) drives the fan blades (113) to rotate so as to push the air flow to move upwards; the impeller rotating shaft (112) is positioned on the axis of the ash selecting cylinder (101) and above the upper pipe orifice of the ash inlet pipe (117); a driven bevel gear (114) is fixedly arranged on the impeller rotating shaft (112) and positioned in the gear box (111); a driving rotating shaft (116) is rotatably arranged in the shaft sleeve (110), one end of the driving rotating shaft (116) is in butt joint with an output shaft of the impeller motor (108), the other end of the driving rotating shaft (116) stretches into the gear box (111), and a driving bevel gear (115) meshed with the driven bevel gear (114) is arranged at the stretching end; a diversion cone-shaped funnel (126) is arranged at the upper cylinder opening of the ash selecting cylinder (101) through three inclined rods (122), and the upper opening of the diversion cone-shaped funnel (126) protrudes out of the upper cylinder opening of the ash selecting cylinder (101); an adjusting sleeve (127) is sleeved on the outer wall of the upper cylinder opening of the ash selecting cylinder (101); an adjusting rotating shaft (129) is rotatably arranged on the outer wall of the ash selecting cylinder (101) and below the adjusting sleeve (127); an adjusting cam (128) is fixedly arranged on the adjusting rotating shaft (129), and the cam edge of the adjusting cam (128) is supported on the lower edge of the adjusting sleeve (127); the end part of the adjusting rotating shaft (129) extends out of the fine ash collecting cylinder (102), and a rotating rod (130) is vertically arranged on the extending end; a lifting adjusting handle (131) is arranged at one end of the rotating rod (130), a pin hole is arranged at the other end of the rotating rod (130), and a positioning pin (132) is inserted into the pin hole; limiting blind holes are distributed on the outer wall of the fine ash collecting cylinder (102) around the circumference of the adjusting rotating shaft (129); the end part of the positioning pin (132) is inserted into the limiting blind hole at the corresponding position;

the filtering and powder selecting device comprises a cylindrical shell (201), an upper cover plate (202), a horizontal mounting plate (204), a lower partition plate (205), an upper partition plate (206), a secondary filtering switching mechanism and filter bag units; the upper cover plate (202) is covered on the upper cylinder mouth of the cylindrical shell (201); support legs (203) are vertically arranged at the bottom of the cylindrical shell (201); the horizontal mounting plate (204) is fixedly arranged 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; filter bag supporting mechanisms for supporting filter bag units are correspondingly arranged on the inner bottom of the cylindrical shell (201) and below the circular mounting holes; the lower partition plate (205) is vertically arranged in the cylindrical shell (201) and positioned below the horizontal mounting plate (204) and is used for partitioning a cavity below the horizontal mounting plate (204) into a primary filtering cavity and a secondary filtering cavity; the upper partition plate (206) is vertically arranged above the horizontal mounting plate (204) and is used for partitioning 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 is arranged on the horizontal mounting plate (204) and positioned between the lower partition plate (205) and the upper partition plate (206), and the strip-shaped communication hole is used for communicating the primary filtering cavity and the secondary air inlet cavity; an air inlet pipe orifice (207) communicated with the primary air inlet cavity is arranged on the outer wall of the upper part of the cylindrical shell (201); an air outlet pipe orifice (208) communicated with the secondary filtering cavity is arranged on the outer wall of the lower part of the cylindrical shell (201); the secondary filtration switching mechanism comprises a lifting adjusting rod (220), a strip-shaped plate (230), an upper sealing plate (229) and a lower sealing plate (231); the upper sealing plate (229) is vertically arranged on the left edge of the upper side surface of the strip-shaped plate (230), and the lower sealing plate (231) is vertically arranged on the right edge of the lower side surface of the strip-shaped plate (230); the strip-shaped plate (230) is positioned below the horizontal mounting plate (204), the upper-layer sealing plate (229) passes through the strip-shaped communication hole and is tightly attached to the left side surface of the upper-layer separation plate (206), and the lower-layer sealing plate (231) is tightly attached to the right side surface of the lower-layer separation plate (205); the upper end of the lifting adjusting rod (220) is rotatably arranged at the center of the lower side surface of the strip-shaped plate (230); an adjusting external thread (236) is arranged at the lower end of the lifting adjusting rod (220), and the lifting adjusting rod is screwed on an adjusting threaded hole at the bottom of the cylindrical shell (201) through the adjusting external thread (236); the lower end of the lifting adjusting rod (220) penetrates through the bottom of the cylindrical shell (201), and an adjusting crank (237) is arranged at the lower end part of the lifting adjusting rod; an upper layer ventilation hole (232) is formed in the upper layer sealing plate (229), and a lower layer ventilation hole (235) is formed in the lower layer sealing plate (231); a lower partition plate hole (234) is formed in the lower partition plate (205), and an upper partition plate hole (233) is formed in the upper partition plate (206); when the lifting adjusting rod (220) pushes the strip-shaped plate (230) to ascend and then closes the strip-shaped communication hole, the lower partition plate hole (234) is correspondingly communicated with the lower layer ventilation hole (235), and the upper layer ventilation hole (232) is correspondingly communicated with the upper partition plate hole (233); after the lifting adjusting rod (220) pulls the strip-shaped plate (230) to descend, the upper sealing plate (229) seals the upper partition plate hole (233), and the lower sealing plate (231) seals the lower partition plate hole (234);

the top air outlet (104) is communicated with the air inlet pipe orifice (207) through a ventilation pipeline (238).

2. The wind power selection system of claim 1, wherein: a limiting enclosing block (119) is arranged above the upper pipe orifice of the ash inlet pipe (117) through an inclined stay bar (118), and the limiting enclosing block (119) is positioned below the fan blades (113).

3. The wind power selection system of claim 1, wherein: a vibrating hammer (107) is arranged on the outer cylinder wall of the fine ash collecting cylinder (102).

4. The wind power selection system of claim 1, wherein: a top cover supporting rod (121) is vertically arranged on the upper cylinder opening of the ash selecting cylinder (101), and the upper end of the top cover supporting rod (121) is fixedly arranged on the inner cone wall of the cone-shaped top cover (103).

5. The wind power selection system of claim 1, wherein: the lower nozzle edge of the fine ash collecting cylinder (102) is provided with a chamfer edge (105) which is inclined towards the fine ash outlet (106), so that the sealing plate forms an inclined slope surface which is inclined towards the fine ash outlet (106) after being sealed along the chamfer edge (105).

6. The wind power selection system of claim 1, wherein: the filter bag unit comprises a filter bag (215), a filter bag supporting frame (216) and a Z-shaped pressing buckle (228); an annular supporting ring (213) is arranged on the upper end pocket mouth of the filter bag (215), and the outer ring diameter of the annular supporting ring (213) is larger than the aperture of the circular mounting hole; the filter bag supporting frame (216) is inserted into the filter bag (215) and used for supporting the filter bag (215); the upper end of the filter bag supporting frame (216) is provided with a pressing ring (214), and the diameter of the outer ring of the pressing ring (214) is larger than that of the inner ring of the annular supporting ring (213); when the filter bag unit is installed on the circular installation hole, the annular supporting ring (213) is pressed on the horizontal installation plate (204), and the pressing ring (214) is pressed on the annular supporting ring (213); the Z-shaped pressing button (228) is horizontally and rotatably arranged on the horizontal mounting plate (204) and is pressed on the pressing ring (214) after rotating.

7. The wind power selection system of claim 1, wherein: a support ring (224) is horizontally arranged in the middle of the filter bag support frame (216).

8. The wind power selection system of claim 1, wherein: the filter bag supporting mechanism comprises an adjusting screw (218), an upper sleeve (219) and a supporting disc (221); the adjusting screw (218) is vertically and fixedly arranged on the inner bottom of the cylindrical shell (201); an internal thread is arranged at the lower end of the upper sleeve (219); the upper end of the adjusting screw rod (218) is screwed on the internal thread at the lower end; the supporting disc (221) is horizontally arranged on the upper end of the upper sleeve (219), and radial supporting rods (222) are radially arranged on the circumferential edge of the supporting disc (221); the end parts of the radial support rods (222) are provided with protective rods (223) which are bent upwards, and the upper ends of the protective rods (223) of the same filter bag support mechanism are fixedly arranged on the same fixed ring (225).

9. The wind power selection system of claim 1, wherein: the upper cover plate (202) is hinged on the upper cylinder opening of the cylindrical shell (201), an upper locking fixed block (211) is arranged on the circumferential edge of the upper cover plate (202), and a lower locking fixed block (210) corresponding to the upper locking fixed block (211) is arranged on the outer side of the upper cylinder opening of the cylindrical shell (201); the upper locking fixed block (211) and the lower locking fixed block (210) are fixedly installed through a locking bolt (212).

10. The wind power selection system of claim 1, wherein: a cover plate lifting lug (209) is arranged on the upper side surface of the upper cover plate (202); two maintenance windows which are respectively communicated with the primary filter cavity and the secondary filter cavity are arranged on the outer wall of the lower part of the cylindrical shell (201); an access door (226) is hinged at both access windows; a door handle (227) is mounted to both access doors (226).