CN114229480B

CN114229480B - Cement material conveying bin pump

Info

Publication number: CN114229480B
Application number: CN202111615698.4A
Authority: CN
Inventors: 戴一鸣
Original assignee: Anhui Aipux Intelligent Technology Co ltd
Current assignee: Anhui Aipux Intelligent Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-07-08
Anticipated expiration: 2041-12-28
Also published as: CN114229480A

Abstract

The invention relates to a cement material conveying bin pump which comprises a conveying bin, a dust removal separator, a negative pressure feeding mechanism, a negative pressure air outlet mechanism, a positive pressure air inlet mechanism, a positive pressure air outlet, a separator conical hopper, an output mechanism and a support. The invention can solve the problems that dust is easy to raise along with the input of gas under the negative pressure conveying, and partial materials are easy to float under the pushing of the gas, so that the entered materials are difficult to collect quickly and completely, and the like.

Description

Cement material conveying bin pump

Technical Field

The invention relates to the technical field related to bin pumps, in particular to a cement material conveying bin pump.

Background

The bin pump is also called bin type pump, it is a reliable dense phase dynamic pressure pneumatic conveying device for conveying powder material under high pressure, the bin pump has the advantages of high conveying pressure, long conveying distance, completely closed system, no dust flying, small floor area, flexible arrangement of conveying pipeline, high conveying efficiency, and can ensure that the conveyed material is not affected with damp and stained.

In the process of conveying cement materials through the bin pump, some problems often occur:

1. under negative pressure conveying, when materials are directly input into a storage bin with a large volume from a negative pressure inlet pipe with a small pipe diameter, dust is easy to raise along with the input of gas, and part of the materials are easy to adhere to the inner wall of the storage bin so that the entering materials are difficult to collect quickly and completely and waste is caused, and the remaining dust is mixed with the cement materials due to the fact that dust is not removed in time, so that the product quality of the cement materials is easy to influence;

when positive pressure purging is used for air inlet, a sealing structure is usually arranged at an air inlet position to prevent dust and gas from pouring in, when compressed air is blown out, the sealing structure can be pushed open, so that an air inlet is opened, but partial wind power is wasted when the sealing structure is pushed open, partial conveying wind power is wasted, and when the sealing structure is not completely pushed out, the sprayed track of the compressed air is easy to deviate from the preset track.

Disclosure of Invention

Technical scheme (I)

In order to achieve the purpose, the invention adopts the following technical scheme: a cement material conveying bin pump comprises a conveying bin, a dust removal separator, a negative pressure feeding mechanism, a negative pressure air outlet mechanism, a positive pressure air inlet mechanism, a positive pressure air outlet, a separator conical hopper, an output mechanism and a support, wherein the dust removal separator is arranged in the conveying bin, the negative pressure feeding mechanism is arranged at the front end of the dust removal separator, the negative pressure air outlet mechanism is arranged in the middle of the upper end of the dust removal separator, the positive pressure air inlet mechanism is connected between the dust removal separator and the conveying bin, the positive pressure air outlet is arranged on the front side of the upper end of the dust removal separator, the pressure in the storage bin is increased after the compressed air is filled, in order to restore the original pressure, the compressed air can be discharged from the positive pressure exhaust port, the pressure in the storage bin is reduced to a normal pressure state, the separator conical hopper is installed at the lower end of the conveying bin, the output mechanism is installed at the lower end of the separator conical hopper, and the support is evenly installed on the separator conical hopper along the circumferential direction of the separator conical hopper.

Dust removal separator include the feed bin, the conveyer pipe, the connecting plate, the filter cloth, sealed lid, connect and collude, increase and hinder the unit, fastening unit, the power supply package, the separation unit, the conveyer pipe is installed to the outer wall of feed bin, the internally mounted of feed bin has the unit of increasing and hindering, the setting up of the unit of increasing and hindering has prevented the connecting plate because of bearing the not fast condition of falling, the connecting plate is installed to the lower extreme of the unit of increasing and hindering, the filter cloth has been laminated to the lower extreme of connecting plate, the filter cloth has intercepted the passing of material, the discharge of dust and gas has been guaranteed, and the two compresses tightly the connection through fastening unit, the connecting plate colludes with the connection through connecting rope and is connected, pass through bolted connection between the upper end of feed bin and the sealed lid, install the power supply package on the lateral wall of feed bin, the separation unit is installed to the lower extreme of feed bin.

The connecting plate include the lifter plate, increase a frame, push down the pole, the connecting rod, increase a frame is installed to the lower extreme of lifter plate, the lifter plate is compared in the cover face that single panel structure increased the filter cloth with the synthesis that increases a frame, thereby the adhesion area of material has been improved, it is provided with and pushes down the pole to increase a corner between frame and the lifter plate, and push down the front and back both ends of pole and insert on the ear seat, will push down the pole and insert on the ear seat, thereby press the filter cloth in corner position, the degree of agreeing with of pushing down pole and corner position has been improved, the ear seat is installed on the lifter plate, the connecting rod is installed to the rear end of lifter plate, the edge of lifter plate has evenly seted up along its circumference and has passed the hole, the pressurized descends, when the lifter plate can not bear the weight of material and descend, the connecting rod descends, thereby extrusion power supply group makes it form complete series circuit.

Malleation air inlet mechanism include the connecting pipe, the compressed air inlet, middle part fluidization mouth, the gas-supply pipe, the malleation sweeps the air inlet unit, the blowout, the shutoff unit, the pulling unit, the compressed air inlet is installed to the lower extreme of connecting pipe, the middle part fluidization mouth is installed to the intercommunication between the middle part of connecting pipe and the feed bin, the gas-supply pipe is installed to the upper end of connecting pipe, install the malleation on the gas-supply pipe and sweep the air inlet unit, the blowout is installed to the front end downside intercommunication of gas-supply pipe, the inside shutoff unit that is provided with of blowout, the lower extreme and the pulling union coupling of shutoff unit, the pulling unit is installed on the sealing cover.

The plugging unit comprises a fixing frame, a plugging plate, a tension spring and a traction rope, wherein the fixing frame is installed in the ejection port, the front end and the rear end of the fixing frame are connected with the plugging plate through pin shafts, the tension spring is connected between the plugging plate and the vertical part of the fixing frame, the tension spring plays a role in resetting, the lower end of the plugging plate is connected with the upper end of the traction rope, and the plugging plate is sealed for plugging the ejection port under the elastic tension of the tension spring.

The pulling unit include the slip track, the pulling plate, correspond to collude, the slip track is installed in sealed lid, be connected with the pulling plate through sliding fit's mode between the slip track, the lower extreme of pulling plate is installed and is corresponded colluding, it colludes each other between colluding and the connection colluding to correspond, the two is temporary connection, make things convenient for opening of follow-up sealed lid, the lower extreme and the pulling plate of haulage rope are connected, concrete during operation, the connecting plate receives gravity decline back, drive closure plate downward angle regulation under the traction of haulage rope, under the impact force of cooperation compressed air simultaneously, the blowout port is opened completely, the pulling unit has been the degree of difficulty that has reduced the blowout port, can waste partial wind-force be used for beating the closure plate when compressed air exports, and the setting of pulling unit can reduce compressed air's extravagant volume.

Wherein, the resistance-increasing unit include dustproof frame, the gallows, the drag reduction roller, the elastic steel plate, reset spring, the upper end at the feed bin is installed to dustproof frame, the inside of dustproof frame is through sliding fit's mode and gallows connection from top to bottom, the lower extreme of gallows is installed on the lifter plate, the inboard of gallows has the drag reduction roller through the round pin hub connection, the laminating of drag reduction roller is on the elastic steel plate, the elastic steel plate from bottom to top is the structure of slope to the inboard gradually, dustproof frame, be connected with reset spring between the gallows, reset spring plays the effect that resets, the setting of resistance-increasing unit is when the material of adhesion is accumulated fast on the filter cloth, the connecting plate probably can not bear and the speed is fallen, this kind of speed that has been avoided in the setting of elastic steel plate this moment, the roll laminating formula design of drag reduction roller has reduced the part wear rate.

The fastening unit comprises a fastening ring and a locking threaded column, connecting cloth is evenly arranged on the edge of the filter cloth along the circumferential direction of the filter cloth, the upper half part of the connecting cloth penetrates through a hole and then is pressed between the lifting plate and the fastening ring, and the locking threaded column penetrates through the fastening ring from top to bottom and then is in threaded locking with the lifting plate.

Wherein, the power supply pack comprises a dustproof shell, an insulating frame, a power supply, a lead, a conductive block, a contact point, a pressed insulating block and a connecting spring, the dustproof shell is arranged on the side wall of the storage bin, the insulating frame is arranged in the dustproof shell, the power supply is arranged at the upper end of the insulating frame, the conductive block is arranged at the lower side of the front end of the insulating frame, the side wall of the front end of the insulating frame is connected with the pressed insulating block in a vertical sliding fit manner, the connecting spring is connected between the pressed insulating block and the dustproof shell, the contact point is arranged at the lower end of the pressed insulating block, an elastic telescopic structure is arranged in the middle of the contact point, after the contact point is contacted with the conductive block, the lifting plate can still normally descend to a certain depth due to the elastic telescopic structure in the middle of the contact point, along with the lightening of materials on the filter cloth, the middle structure of the contact point can help the lifting plate to ascend, and the lead is connected among the power supply, the conductive block, the contact point and the positive pressure air inlet mechanism, the contact point of the initial position is separated from the conductive block.

Wherein, the detaching unit include separator plate, angle cylinder and expansion cover, the separator plate is pin hub connection with the lower extreme of feed bin, be provided with the screening cloth on the separator plate, and the separator plate arranges in opposite directions around for, there is the angle cylinder through the pin hub connection between the middle part of separator plate and the inside wall of feed bin, and the outside cover of angle cylinder is equipped with expansion cover, expansion cover plays dirt-proof effect, the setting of detaching unit is not exhausting, play the effect of keeping apart when removing dust, still be in the floating state from a small amount of materials of filter cloth separation, prevent this part material from entering into in the feed bin again.

The negative pressure feeding mechanism comprises a negative pressure feeding pipe and a first vacuum pump, the negative pressure feeding pipe is communicated with the conveying pipe and is installed, the first vacuum pump is installed on the negative pressure feeding pipe, and materials are sucked into the negative pressure feeding pipe through the first vacuum pump and then input into the storage bin.

The negative pressure air outlet mechanism comprises an air outlet pipe and a second vacuum pump, the lower end of the air outlet pipe is communicated with the sealing cover, the second vacuum pump is installed on the air outlet pipe, and gas, floating dust and a small amount of materials are upwards absorbed through the first vacuum pump.

The compressed air inlet comprises an air inlet pipe, a third vacuum pump and an air inlet valve, the air inlet pipe is communicated with the lower end of the connecting pipe and is installed, the third vacuum pump is installed in the middle of the air inlet pipe, compressed air is input into the air inlet pipe through the third vacuum pump, then materials in the sending tank are blown into the discharge hole, the air inlet valve is installed at the front end of the air inlet pipe, and the air inlet valve controls the air in the air inlet pipe to enter.

Wherein, middle part fluidization mouth including fluidization pipe, fourth vacuum pump, fluidization valve, the fluidization pipe is installed to the intercommunication between connecting pipe and the feed bin, the mid-mounting of fluidization pipe has the fourth vacuum pump, in importing the fluidization pipe with compressed air through the fourth vacuum pump to accelerated the whereabouts of material and piled up, the fluidization valve is installed to the front end of fluidization pipe, the entering of fluidization valve control fluidization intraductal gas.

Wherein, malleation sweep the unit of admitting air include fifth vacuum pump, sweep the valve, the gas-supply pipe is installed in proper order backward from the past and is swept valve, fifth vacuum pump, and series connection has the wire between power, conducting block, contact point, the fifth vacuum pump, sweep the entering of the interior gas of valve control gas-supply pipe.

The output mechanism comprises a feed opening, a sending tank, a bottom fluidization opening and a discharge opening, the feed opening is installed between the lower end of the separator cone hopper and the sending tank in a communicated mode, a valve structure is arranged inside the feed opening and can be used for separating the upper portion and the lower portion of the feed opening to play a role in locking air, the discharge opening is installed at the front end of the sending tank, the rear end of the sending tank is communicated with the front end outlet of the air inlet pipe, and the bottom fluidization opening is installed at the lower end of the sending tank.

The lifting plate is connected with the connecting hook through the connecting rope, the face increasing frame is evenly provided with the ejection holes, the direction of the ejection holes is gradually downward, and the downward ejection holes are beneficial to downward blowing of the materials.

(II) advantageous effects

1. According to the cement material conveying bin pump, for the dust raising phenomenon and the input of gas, gas and dust are discharged in time in an upward suction mode, the material raised together is adhered to the filter cloth, the connecting plate is pressed to descend along with the weight increase of the material on the filter cloth, so that the power pack is connected with a channel, the material adhered to the lower surface of the filter cloth is blown downwards in a positive pressure direct falling type blowing mode, the material is quickly separated from the dust and the gas and is collected in a centralized mode, then the material is conveyed in a centralized mode through transverse wind conveying, for the problem that an air inlet position (an exhaust port) is not completely opened, a dual mode of pulling down as a main mode and pushing air as an auxiliary mode is adopted to ensure the opening of the exhaust port, and meanwhile, the waste wind power generated during air pushing is reduced through pulling force;

2. according to the cement material conveying bin pump, the connecting plate is formed by combining the plate surface and the protruding frame (the surface increasing frame), so that the area of the filter cloth after installation is enlarged, and the material adhesion area is further improved;

3. according to the cement material conveying bin pump, the design concept of structural linkage is adopted between the blocking unit and the pulling unit, the connecting plate is descended under the influence of the weight of materials adhered to filter cloth, the blocking plate is driven to adjust the downward angle under the pulling of the traction rope, meanwhile, the connecting plate drives the connecting rod to descend so as to press the pressed insulating block downwards to enable the contact point to be in contact with the conductive block, the fifth vacuum pump is electrified to work, compressed air is conveyed into the air conveying pipe to be sprayed out of the spraying port, and the unblocking plate is pushed to be assisted, so that the complete opening of the spraying port is facilitated compared with direct air pushing;

4. according to the cement material conveying bin pump, the connecting plate is lowered only after the weight of materials on the filter cloth reaches a certain amount by adopting a weighing and pressing mode, so that subsequent passage electrification and positive pressure blowing air intake are caused, and the continuity between structures is guaranteed by the design concept of a linked structure.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a first structure of the present invention between a dust separator, a negative pressure feed pipe, a gas pipe, and a positive pressure vent;

FIG. 3 is a schematic diagram of a second structure of the present invention between a dust separator, a negative pressure feed pipe, a gas pipe and a positive pressure vent;

FIG. 4 is a top view of the present invention between a dust separator, a negative pressure feed tube, a gas delivery tube, and a positive pressure vent;

FIG. 5 is a cross-sectional view A-A of FIG. 4 of the present invention;

FIG. 6 is a schematic structural view of the connection plate, the connection hook, the hanger and the fastening unit according to the present invention;

FIG. 7 is a schematic structural diagram between the plugging unit and the pulling unit according to the present invention;

FIG. 8 is an enlarged fragmentary view at X of FIG. 5 of the present invention;

FIG. 9 is an enlarged view of a portion of the invention at Y of FIG. 5;

fig. 10 is an enlarged view of the invention at Z of fig. 5.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 10, a cement material conveying bin pump comprises a conveying bin 1, a dust separator 2, a negative pressure feeding mechanism 3, a negative pressure air outlet mechanism 4, a positive pressure air inlet mechanism 5, a positive pressure air outlet 6, a separator conical hopper 7, an output mechanism 8 and a bracket 9, wherein the dust separator 2 is installed inside the conveying bin 1, the negative pressure feeding mechanism 3 is installed at the front end of the dust separator 2, the negative pressure air outlet mechanism 4 is installed in the middle of the upper end of the dust separator 2, the positive pressure air inlet mechanism 5 is connected between the dust separator 2 and the conveying bin 1, the positive pressure air outlet 6 is installed on the front side of the upper end of the dust separator 2, the pressure in the bin 21 is increased after compressed air is filled, and in order to restore the original pressure, the compressed air can be discharged from the positive pressure air outlet 6, so that the pressure in the bin 21 is reduced to a normal pressure state, the separator conical hopper 7 is installed at the lower end of the conveying bin 1, the lower end of the separator conical hopper 7 is provided with an output mechanism 8, and the separator conical hopper 7 is uniformly provided with a support 9 along the circumferential direction.

The dust removal separator 2 comprises a storage bin 21, a conveying pipe 22, a connecting plate 23, a filter cloth 24, a sealing cover 25, a connecting hook 26, a resistance increasing unit 27, a fastening unit 28, a power supply pack 29 and a separating unit 30, wherein the conveying pipe 22 is installed on the outer wall of the storage bin 21, the resistance increasing unit 27 is installed inside the storage bin 21, the resistance increasing unit 27 is arranged to prevent the connecting plate 23 from rapidly falling due to failure, the connecting plate 23 is installed at the lower end of the resistance increasing unit 27, the filter cloth 24 is attached to the lower end of the connecting plate 23, the filter cloth 24 blocks materials from passing through and ensures discharge of dust and gas, the connecting plate 23 and the connecting hook 26 are tightly pressed and connected through the fastening unit 28, the connecting plate 23 is connected with the connecting hook 26 through a connecting rope, the upper end of the storage bin 21 is connected with the sealing cover 25 through a bolt, the power supply pack 29 is installed on the side wall of the storage bin 21, the separating unit 30 is installed at the lower end of the storage bin 21, the lifting plate 231 is connected with the connecting hook 26 through the connecting rope, the surface increasing frame 232 is uniformly provided with blowholes, the direction of the blowholes is gradually downward, the blowholes are downward to be beneficial to blowing the materials downward, when the concrete work is carried out, the cement materials are sucked into the storage bin 21 through the negative pressure feeding mechanism 3, the materials are deposited on the separator cone bucket 7 under the action of gravity, at the moment, part of the materials and dust can generate dust raising phenomenon, meanwhile, the gas is upwards sucked through the negative pressure air outlet mechanism 4, the materials which are upwards floated and conveyed are adhered on the filter cloth 24 under the interception and blocking of the filter cloth 24, the dust and the gas are discharged, when the weight of the materials adhered on the filter cloth 24 reaches a certain weight, the connecting plate 23 can gradually descend to extrude the power supply pack 29 to form a complete circuit, at the moment, the negative pressure feeding mechanism 3 and the negative pressure air outlet mechanism 4 are closed, the positive pressure air inlet mechanism 5 and the positive pressure air outlet 6 are opened, the compressed air is blown and conveyed downward through the positive pressure air inlet mechanism 5, thereby blow the material of adhesion on the filter cloth 24 to the material surface of deposit, the air also can be followed the positive pressure gas vent 6 simultaneously and discharged to maintain the ordinary pressure state of feed bin 21 internal pressure, along with the weight of the material on the filter cloth 24 alleviates, connecting plate 23 rises gradually, and when the material on the filter cloth 24 was blown down completely, connecting plate 23 rises to the normal position again, and power pack 29 forms the broken circuit, at this moment, closes positive pressure admission mechanism 5, positive pressure gas vent 6.

The connecting plate 23 comprises a lifting plate 231, a face increasing frame 232, a pressing rod 233 and a connecting rod 234, the face increasing frame 232 is installed at the lower end of the lifting plate 231, the covering surface of the filter cloth 24 is increased compared with a single-panel structure due to the combination of the lifting plate 231 and the face increasing frame 232, the adhesion area of materials is improved, the pressing rod 233 is arranged at a corner between the face increasing frame 232 and the lifting plate 231, the front end and the rear end of the pressing rod 233 are inserted into the ear seat, the pressing rod 233 is inserted into the ear seat, the filter cloth 24 is pressed at the corner position, the fitting degree of the pressing rod 233 and the corner position is improved, the ear seat is installed on the lifting plate 231, the connecting rod 234 is installed at the rear end of the lifting plate 231, the edge of the lifting plate 231 is uniformly provided with through holes along the circumferential direction, in the specific work, when the filter cloth 24 is installed, the filter cloth 24 is unfolded to cover the lower surfaces of the lifting plate 231 and the face increasing frame 232, and the lifting plate 231, and, The corner positions between the face increasing frames 232 are attached to the corner positions by pressing the filter cloth 24 through the pressing rods 233, the attaching degree of the filter cloth 24 and the lower end face of the connecting plate 23 is guaranteed, then the connecting cloth at the edge of the filter cloth 24 sequentially penetrates through the holes and is pressed at the edge of the upper end of the lifting plate 231, the connecting cloth is pressed by pressing the fastening unit 28, at the moment, the filter cloth 24 is completely installed, when the filter cloth is pressed to descend, the lifting plate 231 cannot bear the weight of materials, the connecting rod 234 descends, and the power supply pack 29 is pressed to form a complete series circuit.

The resistance increasing unit 27 comprises a dustproof frame 271, a hanging bracket 272, a resistance reducing roller 273, an elastic steel plate 274 and a return spring 275, wherein the dustproof frame 271 is installed at the upper end of the storage bin 21, the interior of the dustproof frame 271 is connected with the hanging bracket 272 in an up-and-down sliding fit mode, the lower end of the hanging bracket 272 is installed on the lifting plate 231, the inner side of the hanging bracket 272 is connected with the resistance reducing roller 273 through a pin shaft, the resistance reducing roller 273 is attached to the elastic steel plate 274, the elastic steel plate 274 is of a structure inclined towards the inner side gradually from bottom to top, the return spring 275 is connected between the dustproof frame 271 and the hanging bracket 272, the return spring 275 plays a role in return, when materials adhered to the filter cloth 24 are rapidly accumulated, the connecting plate 23 can not bear the materials and can rapidly drop, the arrangement of the elastic steel plate 274 avoids the rapid drop condition, and the rolling design of the resistance reducing roller 273 reduces the part attachment rate.

The fastening unit 28 includes a fastening ring 281 and locking threaded posts 282, the edge of the filter cloth 24 is uniformly provided with connecting cloth along the circumferential direction thereof, the upper half part of the connecting cloth passes through the through holes and then is pressed between the lifting plate 231 and the fastening ring 281, the locking threaded posts 282 pass through the fastening ring 281 from top to bottom and then are in threaded locking with the lifting plate 231, in specific operation, the connecting cloth at the edge of the filter cloth 24 sequentially passes through the through holes and then is pressed at the edge of the upper end of the lifting plate 231, the fastening ring 281 is pressed at the upper end of the connecting cloth, then the fastening ring 281 and the lifting plate 231 are tightly locked through the threaded locking of the locking threaded posts 282, thereby clamping the connecting cloth, and at this time, the filter cloth 24 is installed completely.

The power supply pack 29 comprises a dust-proof shell 291, an insulating frame 292, a power supply 293, a wire 294, a conductive block 295, a contact point 296, a pressed insulating block 297 and a connecting spring 298, wherein the dust-proof shell 291 is installed on the side wall of the storage bin 21, the insulating frame 292 is arranged inside the dust-proof shell 291, the power supply 293 is installed at the upper end of the insulating frame 292, the conductive block 295 is installed at the lower side of the front end of the insulating frame 292, the front end side wall of the insulating frame 292 is connected with the pressed insulating block 297 in a vertical sliding fit mode, the connecting spring 298 is connected between the pressed insulating block 297 and the dust-proof shell 291, the contact point 296 is installed at the lower end of the pressed insulating block 297, an elastic telescopic structure is arranged in the middle of the contact point 296, after the contact point 296 is contacted with the conductive block 295, the lifting plate 231 can still normally descend to a certain depth due to the elastic telescopic structure in the middle of the contact point 296, and along with the lightening of materials on the filter cloth 24, the middle structure of the contact point 296 can help the lifting plate 231 to ascend, and the power 293, the conductive block 295, the contact point 296, the positive pressure air inlet mechanism 5 are connected with the wire 294, the contact point 296 and the conductive block 295 at the initial position are in a separated state, when the lifting plate 231 descends due to the fact that the lifting plate cannot bear the weight of the materials during specific work, the connecting rod 234 descends synchronously, the pressing contact point 296 and the pressed insulating block 297 descend, then the contact point 296 is in contact with the conductive block 295, a complete series circuit is formed, and the fifth vacuum pump 551 works in a power-on mode.

The separation unit 30 comprises a separation plate 301, an angle cylinder 302 and a telescopic cover 303, the separation plate 301 is connected with the lower end of the storage bin 21 through a pin shaft, a screening cloth is arranged on the separation plate 301, the separation plate 301 is arranged in a front-back opposite direction, the angle cylinder 302 is connected between the middle part of the separation plate 301 and the inner side wall of the storage bin 21 through a pin shaft, the telescopic cover 303 is sleeved outside the angle cylinder 302, the telescopic cover 303 plays a dustproof role, in the specific work process, before the material is sucked, the angle cylinder 302 drives the separation plate 301 to adjust the downward angle so as to open the lower end opening of the storage bin 21, then the material is sucked smoothly, the material is separated from dust and gas, in the separation process, the material adhered on the filter cloth 24 is blown down, after the positive pressure distribution is finished, the angle cylinder 302 drives the separation plate 301 to adjust the opposite angle so as to close the lower end opening of the storage bin 21, the separation unit 30 plays a role of isolation when air is not exhausted and dust is removed, and a small amount of materials separated from the filter cloth 24 are still in a floating state, so that the materials are prevented from entering the storage bin 21 again.

Negative pressure feed mechanism 3 include negative pressure inlet pipe 31, first vacuum pump 32, negative pressure inlet pipe 31 and conveyer pipe 22 intercommunication installation, install first vacuum pump 32 on the negative pressure inlet pipe 31, inhale the material into negative pressure inlet pipe 31 and then input into feed bin 21 through first vacuum pump 32.

The negative pressure air outlet mechanism 4 comprises an air outlet pipe 41 and a second vacuum pump 42, the lower end of the air outlet pipe 41 is communicated with the sealing cover 25, the second vacuum pump 42 is installed on the air outlet pipe 41, and gas, floating dust and a small amount of materials are upwards absorbed through the first vacuum pump 32.

The positive pressure air inlet mechanism 5 comprises a connecting pipe 51, a compressed air inlet 52, a middle fluidizing port 53, an air pipe 54, a positive pressure blowing air inlet unit 55, a spraying port 56, a blocking unit 57 and a pulling unit 58, wherein the compressed air inlet 52 is installed at the lower end of the connecting pipe 51, the middle fluidizing port 53 is installed between the middle part of the connecting pipe 51 and the storage bin 21 in a communicating manner, the air pipe 54 is installed at the upper end of the connecting pipe 51, the positive pressure blowing air inlet unit 55 is installed on the air pipe 54, the spraying port 56 is installed at the lower side of the front end of the air pipe 54 in a communicating manner, the blocking unit 57 is arranged in the spraying port 56, the lower end of the blocking unit 57 is connected with the pulling unit 58, the pulling unit 58 is installed on the sealing cover 25, during specific work, during air exhaust and dust removal, the compressed air inlet 52 is closed, the middle fluidizing port 53 and the air pipe 54 are opened, and compressed air is sprayed out from the spraying port 56 along the connecting pipe 51 and the air pipe 54, at this time, the blocking means 57 is opened by the air pressure and the pulling of the pulling means 58, and the compressed air is smoothly ejected from the ejection port 56, and when the material in the sending tank 82 is transported, the middle fluidizing port 53 and the positive pressure purge air intake means 55 are closed, and the compressed air intake port 52 is opened, and the material in the sending tank 82 is delivered from the ejection port 84 into the target bin by the action of the air.

The plugging unit 57 includes a fixing frame 571, a plugging plate 572, a tension spring 573, and a pulling rope 574, the fixing frame 571 is installed inside the ejection port 56, the front end and the rear end of the fixing frame 571 are connected with the plugging plate 572 through pins, the tension spring 573 is connected between the plugging plate 572 and the vertical portion of the fixing frame 571, the tension spring 573 plays a role in resetting, the lower end of the plugging plate 572 is connected with the upper end of the pulling rope 574, and the plugging plate 572 plugs and seals the ejection port 56 under the elastic tension of the tension spring 573.

The pulling unit 58 comprises a sliding rail 581, a pulling plate 582 and a corresponding hook 583, wherein the sliding rail 581 is installed in the sealing cover 25, the sliding rail 581 is connected with the pulling plate 582 in a sliding fit mode, the corresponding hook 583 is installed at the lower end of the pulling plate 582, the corresponding hook 583 and the connecting hook 26 are hooked with each other and are temporarily connected, the subsequent sealing cover 25 can be conveniently opened, the lower end of the pulling rope 574 is connected with the pulling plate 582, in the specific work process, after the connecting plate 23 descends under the gravity, the downward angle of the blocking plate 572 is driven to be adjusted under the traction of the pulling rope 574, meanwhile, under the impact force of compressed air, the ejection port 56 is completely opened, the pulling unit 58 reduces the difficulty of the ejection port 56, and part of wind power is wasted for opening the blocking plate 572 when the compressed air is output, and the waste amount of the compressed air can be reduced due to the arrangement of the pulling unit 58.

The compressed air inlet 52 comprises an air inlet pipe 521, a third vacuum pump 522 and an air inlet valve 523, the air inlet pipe 521 is communicated with the lower end of the connecting pipe 51, the third vacuum pump 522 is arranged in the middle of the air inlet pipe 521, compressed air is input into the air inlet pipe 521 through the third vacuum pump 522, then materials in the sending tank 82 are blown into the material outlet 84, the air inlet valve 523 is arranged at the front end of the air inlet pipe 521, and the air inlet valve 523 controls the air in the air inlet pipe 521 to enter.

The middle fluidizing port 53 comprises a fluidizing pipe 531, a fourth vacuum pump 532 and a fluidizing valve 533, the fluidizing pipe 531 is communicated and installed between the connecting pipe 51 and the storage bin 21, the fourth vacuum pump 532 is installed in the middle of the fluidizing pipe 531, compressed air is input into the fluidizing pipe 531 through the fourth vacuum pump 532, accordingly falling and accumulation of materials are accelerated, the fluidizing valve 533 is installed at the front end of the fluidizing pipe 531, and the fluidizing valve 533 controls air in the fluidizing pipe 531 to enter.

The positive pressure purging air inlet unit 55 comprises a fifth vacuum pump 551 and a purging valve 552, the purging valve 552 and the fifth vacuum pump 551 are sequentially installed on the air pipe 54 from front to back, a lead 294 is connected in series between the power supply 293, the conductive block 295, the contact point 296 and the fifth vacuum pump 551, and the purging valve 552 controls the air in the air pipe 54 to enter.

Output mechanism 8 include feed opening 81, send jar 82, bottom fluidization mouth 83, discharge gate 84, feed opening 81 is installed to the lower extreme of separator awl fill 7 and the intercommunication between sending jar 82, the inside of feed opening 81 is provided with valve structure, valve structure can cut off the upper and lower two parts of feed opening 81, plays the effect of locking gas, discharge gate 84 is installed to the front end of sending jar 82, the rear end of sending jar 82 and the front end export switch-on of intake pipe 521, bottom fluidization mouth 83 is installed to the lower extreme of sending jar 82.

When in work:

s1, suction: the negative pressure airflow generated by the first vacuum pump 32 sucks materials into the bin 21 through the negative pressure feeding pipe 31, and the materials are deposited on the separator cone 7 under the action of gravity;

s2, purging: the air is sucked upwards through the negative pressure air outlet mechanism 4, the sucked materials are adhered to the filter cloth 24 and dust and air are discharged under the interception and blocking of the filter cloth 24, when the weight of the materials adhered to the filter cloth 24 reaches a certain weight, the connecting plate 23 gradually descends, so that the power pack 29 is extruded to form a complete circuit, at the moment, the negative pressure feeding pipe 31 and the air outlet pipe 41 are closed, the positive pressure air outlet 6, the air conveying pipe 54 and the fluidizing pipe 531 are opened, compressed air is sprayed out from the opened spraying port 56 after the connecting pipe 51 and the air conveying pipe 54 through the electrified fifth vacuum pump 551, the compressed air conveyed by positive pressure is used for back blowing, so that the materials adhered to the filter cloth 24 are cleaned, the separated materials fall onto the surface of the deposited materials again by matching with the work of the middle fluidizing port 53, and the sprayed compressed air is discharged from the positive pressure air outlet 6, therefore, the normal pressure state of the pressure in the storage bin 21 is maintained, the connecting plate 23 gradually rises back along with the weight reduction of the materials on the filter cloth 24, when the materials on the filter cloth 24 are completely blown off, the connecting plate 23 rises back to the original position, and the power pack 29 forms an open circuit;

s3, when the purging is finished, closing the positive pressure conveying system (the positive pressure air inlet mechanism 5 and the positive pressure air outlet 6 enter the negative pressure feeding system (the negative pressure feeding mechanism 3 and the negative pressure air outlet mechanism 4), and starting to circulate in a reciprocating mode until a proper amount of materials are accumulated on the separator cone hopper 7;

s4, conveying materials: the positive pressure exhaust port 6 and the air delivery pipe 54 are closed, the feed opening 81 is opened, so that the materials in the separator cone 7 fall into the sending tank 82, then the air inlet pipe 521 is opened, compressed air is input into the air inlet pipe 521 through the third vacuum pump 522, and the materials in the sending tank 82 are output from the discharge opening 84 into the target bin under the thrust of air.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a cement material conveying bin pump, is including carrying storehouse (1), dust separator (2), negative pressure feed mechanism (3), negative pressure mechanism (4) of giving vent to anger, malleation air inlet mechanism (5), malleation gas vent (6), separator awl fill (7), output mechanism (8) and support (9), its characterized in that: the dust removal separator (2) is arranged in the conveying bin (1), the negative pressure feeding mechanism (3) is arranged at the front end of the dust removal separator (2), the negative pressure air outlet mechanism (4) is arranged in the middle of the upper end of the dust removal separator (2), the positive pressure air inlet mechanism (5) is connected between the dust removal separator (2) and the conveying bin (1), the positive pressure air outlet (6) is arranged on the front side of the upper end of the dust removal separator (2), the separator cone hopper (7) is arranged at the lower end of the conveying bin (1), the output mechanism (8) is arranged at the lower end of the separator cone hopper (7), and the supports (9) are uniformly arranged on the separator cone hopper (7) along the circumferential direction of the separator cone hopper;

the dust removal separator (2) comprises a storage bin (21), a conveying pipe (22) is installed on the outer wall of the storage bin (21), a resistance increasing unit (27) is installed inside the storage bin (21), a connecting plate (23) is installed at the lower end of the resistance increasing unit (27), filter cloth (24) is attached to the lower end of the connecting plate (23) and is tightly pressed and connected through a fastening unit (28), the connecting plate (23) is connected with a connecting hook (26) through a connecting rope, the upper end of the storage bin (21) is connected with a sealing cover (25) through a bolt, a power supply pack (29) is installed on the side wall of the storage bin (21), and a separating unit (30) is installed at the lower end of the storage bin (21);

the connecting plate (23) comprises a lifting plate (231), a face increasing frame (232) is installed at the lower end of the lifting plate (231), a pressing rod (233) is arranged at a corner between the face increasing frame (232) and the lifting plate (231), the front end and the rear end of the pressing rod (233) are inserted into lug seats, the lug seats are installed on the lifting plate (231), a connecting rod (234) is installed at the rear end of the lifting plate (231), and through holes are uniformly formed in the edge of the lifting plate (231) along the circumferential direction of the edge;

the positive pressure air inlet mechanism (5) comprises a connecting pipe (51), a compressed air inlet (52) is installed at the lower end of the connecting pipe (51), a middle fluidization port (53) is installed between the middle of the connecting pipe (51) and the storage bin (21) in a communicating mode, an air conveying pipe (54) is installed at the upper end of the connecting pipe (51), a positive pressure purging air inlet unit (55) is installed on the air conveying pipe (54), a spraying port (56) is installed on the lower side of the front end of the air conveying pipe (54) in a communicating mode, a plugging unit (57) is arranged inside the spraying port (56), the lower end of the plugging unit (57) is connected with a pulling unit (58), and the pulling unit (58) is installed on the sealing cover (25);

the plugging unit (57) comprises a fixed frame (571), the fixed frame (571) is installed inside the spray port (56), the front end and the rear end of the fixed frame (571) are connected with a plugging plate (572) through a pin shaft, a tension spring (573) is connected between the plugging plate (572) and the vertical part of the fixed frame (571), and the lower end of the plugging plate (572) is connected with the upper end of a traction rope (574);

the pulling unit (58) comprises a sliding rail (581), the sliding rail (581) is installed in the sealing cover (25), the sliding rail (581) is connected with a pulling plate (582) in a sliding fit mode, a corresponding hook (583) is installed at the lower end of the pulling plate (582), the corresponding hook (583) and a connecting hook (26) are hooked with each other, and the lower end of a traction rope (574) is connected with the pulling plate (582).

2. The cement material conveying bin pump as claimed in claim 1, wherein: resistance-increasing unit (27) including dustproof frame (271), the upper end at feed bin (21) is installed in dustproof frame (271), the inside of dustproof frame (271) is connected with gallows (272) through upper and lower sliding fit's mode, the lower extreme of gallows (272) is installed on lifter plate (231), there are drag reduction roller (273) inboard of gallows (272) through round pin hub connection, drag reduction roller (273) laminating is on elastic steel plate (274), elastic steel plate (274) are the structure of inboard slope gradually from bottom to top, be connected with reset spring (275) between dustproof frame (271) and gallows (272).

3. The cement material conveying bin pump as claimed in claim 1, wherein: the fastening unit (28) comprises a fastening ring (281), connecting cloth is uniformly arranged on the edge of the filter cloth (24) along the circumferential direction of the filter cloth, the upper half part of the connecting cloth penetrates through the through hole and then is pressed between the lifting plate (231) and the fastening ring (281), and the locking threaded column (282) penetrates through the fastening ring (281) from top to bottom and then is in threaded locking with the lifting plate (231).

4. The cement material conveying bin pump as claimed in claim 1, wherein: the power supply pack (29) comprises a dustproof shell (291), the dustproof shell (291) is installed on the side wall of the storage bin (21), an insulating frame (292) is arranged inside the dustproof shell (291), a power supply (293) is installed at the upper end of the insulating frame (292), a conductive block (295) is installed on the lower side of the front end of the insulating frame (292), the side wall of the front end of the insulating frame (292) is connected with a pressed insulating block (297) in a vertical sliding fit mode, a connecting spring (298) is connected between the pressed insulating block (297) and the dustproof shell (291), a contact point (296) is installed at the lower end of the pressed insulating block (297), and an elastic telescopic structure is arranged in the middle of the contact point (296), and a lead (294) is connected among the power supply (293), the conductive block (295), the contact point (296) and the positive pressure air inlet mechanism (5), and the contact point (296) at the initial position is separated from the conductive block (295).

5. The cement material conveying bin pump as claimed in claim 1, wherein: the separating unit (30) include spacer plate (301), the lower extreme of spacer plate (301) and feed bin (21) is pin hub connection, is provided with the screening cloth on spacer plate (301), and spacer plate (301) arranges in opposite directions around for, has angle cylinder (302) through the round pin hub connection between the middle part of spacer plate (301) and the inside wall of feed bin (21), and the outside cover of angle cylinder (302) is equipped with flexible cover (303).

6. The cement material conveying bin pump as claimed in claim 1, wherein: the negative pressure feeding mechanism (3) comprises a negative pressure feeding pipe (31), the negative pressure feeding pipe (31) is communicated with the conveying pipe (22), and a first vacuum pump (32) is arranged on the negative pressure feeding pipe (31);

the negative pressure air outlet mechanism (4) comprises an air outlet pipe (41), the lower end of the air outlet pipe (41) is communicated with the sealing cover (25), and a second vacuum pump (42) is installed on the air outlet pipe (41).

7. The cement material conveying bin pump as claimed in claim 1, wherein: the compressed air inlet (52) comprises an air inlet pipe (521), the air inlet pipe (521) is communicated with the lower end of the connecting pipe (51), a third vacuum pump (522) is installed in the middle of the air inlet pipe (521), and an air inlet valve (523) is installed at the front end of the air inlet pipe (521);

middle part fluidization mouth (53) including fluidization pipe (531), the intercommunication is installed fluidization pipe (531) between connecting pipe (51) and feed bin (21), the mid-mounting of fluidization pipe (531) has fourth vacuum pump (532), fluidization valve (533) are installed to the front end of fluidization pipe (531).

8. The cement material conveying bin pump as claimed in claim 4, wherein: the positive pressure purging air inlet unit (55) comprises a fifth vacuum pump (551), a purging valve (552) and the fifth vacuum pump (551) are sequentially installed on the air conveying pipe (54) from front to back, and a lead (294) is connected in series among the power supply (293), the conductive block (295), the contact point (296) and the fifth vacuum pump (551).

9. The cement material conveying bin pump as claimed in claim 7, wherein: output mechanism (8) include feed opening (81), feed opening (81) are installed to the lower extreme of separator awl fill (7) and the intercommunication between sending jar (82), the inside of feed opening (81) is provided with valve structure, discharge gate (84) are installed to the front end of sending jar (82), the rear end of sending jar (82) and the front end export switch-on of intake pipe (521), bottom fluidization mouth (83) are installed to the lower extreme of sending jar (82).

10. The cement material conveying bin pump as claimed in claim 1, wherein: the lifting plate (231) is connected with the connecting hook (26) through a connecting rope, the face increasing frame (232) is uniformly provided with ejection holes, and the direction of the ejection holes gradually faces downwards.