CN211496132U - Comprehensive dust removal device for asphalt cold material feeding area - Google Patents
Comprehensive dust removal device for asphalt cold material feeding area Download PDFInfo
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- CN211496132U CN211496132U CN201922114236.9U CN201922114236U CN211496132U CN 211496132 U CN211496132 U CN 211496132U CN 201922114236 U CN201922114236 U CN 201922114236U CN 211496132 U CN211496132 U CN 211496132U
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Abstract
The utility model relates to a dust collector, in particular to dust collector is synthesized to pitch cold burden material loading region. It includes storage bin, sack cleaner, cold hopper, first band conveyer, second band conveyer, third band conveyer and fourth band conveyer, storage bin lateral wall middle part is equipped with the dust removal mouth, connects the feed bin on the dust removal mouth and removes dust the tubulation, and the feed bin of a plurality of storage bins removes dust the tubulation and connects on feed bin dust removal house steward jointly, passes through dust collecting pipe connection dust hopper on the feed bin dust removal house steward, and the dust hopper is connected the dust inlet at the sack cleaner. The utility model discloses a combine department and third band conveyer and fourth band conveyer to set up the dust collection structure at material stock bin, cold burden fill and first band conveyer, can collect the raise dust that produces everywhere in the pitch cold burden material loading region to with the raise dust of each department collect centralized processing in the dust remover, improved the regional cleanliness factor of pitch cold burden material loading.
Description
Technical Field
The utility model relates to a dust collector, in particular to dust collector is synthesized to pitch cold burden material loading region.
Background
The asphalt concrete is commonly called as asphalt concrete, and is a mixture prepared by manually selecting mineral aggregate with a certain gradation composition, broken stone or crushed gravel, stone chips or sand, mineral powder and the like, and mixing the mineral aggregate, the broken stone or crushed gravel, the stone chips or sand, the mineral powder and a certain proportion of road asphalt material under strictly controlled conditions. According to different compactness degrees of the mixture, the mixture can be divided into dense gradation, semi-open gradation, open gradation and other categories, and the open gradation mixture is also called asphalt macadam. The hot-mixed and hot-paved dense-graded broken stone mixture is durable in use, high in strength and good in integrity, is a representative material for building high-grade asphalt pavements, and is most widely applied. The atmospheric pollutants discharged by the asphalt mixing station cause great harm to the surrounding environment, however, the main way of reducing or reducing the pollutants discharged by the asphalt mixing station is to use various smoke prevention and dust control devices matched with the asphalt mixing station, and the performance and efficiency of the dust control devices are the key points for determining the degree of harm to the surrounding environment caused by one asphalt mixing station.
In the production process of bituminous mixture, need the staff to put in the material and advance cold feed bin, transport to follow-up processing equipment department through the conveyer belt of cold feed bin below again, because contain in the raw materials and take a large amount of dusts, consequently, at the in-process of putting in and transporting the raw materials, can produce a large amount of raise dusts, the polluted environment threatens that the staff is healthy.
In the prior art, chinese patent with patent number CN201611130822 discloses a dust removing device for an asphalt station cold burden system, in order to solve the raised dust generated in the asphalt cold burden feeding process, a dust hood is respectively arranged above a cold burden hopper, a feeder dust hood is arranged on a feeder, a belt dust hood is arranged on a conveying belt, the dust hood, the feeder dust hood and the belt dust hood are connected with a dust remover through respective negative pressure pipes, and the dust generated at the position where the raised dust is most easily generated in the asphalt cold burden feeding process is conveyed to the dust remover by the dust hood, the feeder dust hood and the belt dust hood for centralized processing. Although the technical scheme can achieve a certain dust removal effect, certain problems still exist. Firstly, a specific structure of a feeder dust hood at the position of a feeder is not disclosed, and cold materials easily enter the feeder dust hood due to inertia in the conveying process to influence the normal use of the feeder dust hood; secondly, conveyor belt is a whole in this patent, set up the belt dust excluding hood and can play certain dust removal effect on conveyor belt, but in-service use, often can dispose a plurality of band conveyer, a plurality of band conveyer's direction of delivery is different, the high position is also different, the clearance between two adjacent band conveyer produces the raise dust most easily, need set up a rational in infrastructure feed dust excluding hood alone and remove dust, do not consider how to solve this technical problem in this patent. Third, the cold burden can produce the raise dust in getting into the cold burden fill from the stock bin, with the negative pressure pipe setting of dust absorption at the top of stock bin in this patent, the raise dust at stock bin top can be siphoned away, but the raise dust of stock bin bottom still can stay in the stock bin owing to the distance is too far away, influences workplace's cleanliness factor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dust collector is synthesized to pitch cold burden material loading is regional can collect the raise dust that produces everywhere in the pitch cold burden material loading is regional to with the raise dust of each department collect centralized processing in the dust remover, improved the regional cleanliness factor of pitch cold burden material loading.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a comprehensive dust removal device for an asphalt cold material feeding area comprises a storage bin, a bag-type dust remover, a cold hopper, a first belt conveyor, a second belt conveyor, a third belt conveyor and a fourth belt conveyor, the plurality of material storage bins are arranged side by side, a cold hopper is arranged at the discharge port of each material storage bin, a first belt conveyor is arranged at the discharge port of the cold hopper, a second belt conveyor is arranged below the first belt conveyor at the lower ends of the plurality of material storage bins, a third belt conveyor is arranged at the discharge end of the second belt conveyor, a fourth belt conveyor is arranged at the discharge end of the third belt conveyor, the middle part of the side wall of the storage bin is provided with a dust removal port, the dust removal port is connected with bin dust removal branch pipes, the bin dust removal branch pipes of a plurality of storage bins are connected to a bin dust removal main pipe together, the bin dust removal main pipe is connected with a dust collection hopper through a dust collection pipe, and the dust collection hopper is connected to a dust inlet of a bag-type dust collector;
a hopper dust hood is arranged around a discharge port of the cold hopper, one end of the hopper dust hood is detachably connected with a feeding dust hood through a connecting piece, and the feeding dust hood is positioned on one side of a discharging end of the first belt conveyor; the feeding dust hood is provided with a dust collection port facing the upper end face of the first belt conveyor, and the feeding dust hood is provided with a plurality of dust collection grooves facing the side face of the discharging end of the first belt conveyor; the side surface of the feeding dust hood is provided with a pipe orifice which is connected with one end of a feeding dust removal branch pipe, and one end of the feeding dust removal branch pipe is connected with a stock bin dust removal main pipe;
the third belt conveyor is provided with a first dust hood, two sides of the first dust hood are fixed on frame bodies on two sides of the third belt conveyor, and the conveying belt of the third belt conveyor is wrapped in the first dust hood; a second dust hood is arranged on the fourth belt conveyor, two sides of the second dust hood are fixed on frame bodies on two sides of the fourth belt conveyor, and the conveying belt of the fourth belt conveyor is wrapped in the second dust hood;
the third band conveyer ejection of compact tip is equipped with tip dust hood, tip dust hood one end and first dust hood intercommunication, the other end and last dust excluding hood intercommunication, fourth band conveyer's blanking position department is equipped with the dust removal dustcoat, the dust removal dustcoat both ends are fixed respectively on fourth band conveyer's both sides support body, the fixed dust excluding hood in dust removal dustcoat upper end, go up dust excluding hood and dust excluding hood intercommunication, upward be equipped with the dust removal mouth of pipe on the dust excluding hood, the dust removal mouth of pipe passes through pay-off dust removal union coupling dust hopper, be equipped with the dust removal inner cover in the dust removal dustcoat.
Through adopting above-mentioned technical scheme, the back is collected by feed bin dust removal tubulose to the raise dust in the storage bin, send the sack cleaner to through feed bin dust removal house steward in the centralized dust removal processing, the raise dust of cold burden fill and first band conveyer junction is collected by the feed dust excluding hood, the raise dust of collecting in the feed dust excluding hood is sent into the sack cleaner by feed bin dust removal house steward and is concentrated the dust removal processing, the raise dust that third band conveyer and fourth band conveyer junction produced is collected by the dust removal inner cover and is sent into in the dust excluding hood, the raise dust of collecting in the upper dust excluding hood is removed dust by pay-off dust removal pipe guide in the sack cleaner and is handled, the regional cleanliness factor of pitch cold burden material loading has been improved.
Further, the bin dust removal branch is intraductal to be equipped with the valve, and the valve includes valve seat, valve plate, valve pivot and gangbar, and the valve seat passes through connecting piece detachable to be connected in the bin dust removal branch, rotates on the valve seat to connect the valve pivot, welds the valve plate in the valve pivot, and the valve pocket of valve seat can be sealed to the valve plate, and the gangbar is connected to valve pivot one end, and rotation actuating mechanism is connected to gangbar one end.
By adopting the technical scheme, the rotation driving mechanism drives the linkage rod to rotate, the linkage rod drives the valve rotating shaft to rotate, and the valve rotating shaft drives the valve plate to open or close the valve cavity of the valve seat, so that the on-off control of the dedusting branch pipes of the storage bin is realized.
Further, be equipped with ejection of compact cover in the feed dust excluding hood, ejection of compact cover both ends are rotated through the round pin axle and are connected on the hopper dust blocking cover, and ejection of compact cover side is through adjusting bolt connection hopper dust blocking cover, and the ejection of compact covers and connects adjusting bolt position department and be equipped with the adjustment tank of rectangular shape, and setting up of adjustment tank makes ejection of compact cover can rotate around the round pin axle.
Through adopting above-mentioned technical scheme, adjust the interval between ejection of compact cover and the band conveyer through the adjustment tank, finally realize the purpose of control band conveyer load.
Further, be equipped with scarce material warning assembly in the feed dust excluding hood, lack material warning assembly includes the signal pole, the signal wheel, the mount, the proximity switch support, trigger signal board and proximity switch, the mount is fixed at feed dust excluding hood up end, rotate the connection signal wheel on the mount, the signal pole is connected on the signal wheel, the first band conveyer up end of signal pole lower extreme contact, be equipped with the trigger signal board on the signal pole, connect the proximity switch support on the mount, connect proximity switch on the proximity switch support, proximity switch's sense terminal is towards trigger signal board.
Through adopting above-mentioned technical scheme, when band conveyer upper berth was full of cold burden, cold burden collision signal pole promoted certain angle forward with the signal pole, and the signal board is triggered this moment and is driven the detection position of skew proximity switch by the signal pole, and proximity switch does not send alarm signal this moment. When the belt conveyor is short of materials, the signal rod returns to the original position, the signal plate is triggered to return to the detection position of the proximity switch, and the proximity switch sends out a short of material alarm signal.
Furthermore, be equipped with a plurality of buffer boards on every terminal surface of dust removal inner cover inside wall, a plurality of buffer boards are along terminal surface from the top down evenly distributed.
Through adopting above-mentioned technical scheme, the buffer board of setting on dust removal inner cover inner wall can hinder slowly that cold material falls to the impact wearing and tearing of wallboard, and the protection dust removal inner cover inner wall does not receive the damage.
Further, one side of the dust removal inner cover is provided with a discharge hole, a material baffle is arranged at the discharge hole of the dust removal inner cover and connected to the dust removal inner cover through an adjusting bolt, and a position of the adjusting bolt connected to the material baffle is provided with a long-strip-shaped adjusting hole.
Through adopting above-mentioned technical scheme, cold burden passes through in following the clearance between striker plate and the conveyor belt, can adjust the clearance between striker plate and the conveyor belt through the adjustment tank to reach the purpose of control load.
Furthermore, two sides of the dust removal inner cover are fixedly connected with supporting plates respectively, and the lower ends of the supporting plates are fixedly connected to frame bodies on two sides of the fourth belt conveyor.
Through adopting above-mentioned technical scheme, on the support body of fourth band conveyer both sides was connected to the backup pad of dust removal inner cover both sides, guaranteed the stability of dust removal inner cover installation.
Furthermore, a lifting lug is arranged on the end dust shield.
Through adopting above-mentioned technical scheme, the handling tip dust hood that can be convenient through the lug is installed and is dismantled.
To sum up, the utility model discloses following beneficial effect has:
1. by arranging the dust collecting structures at the joint of the material storage bin, the cold hopper and the first belt conveyor and the joint of the third belt conveyor and the fourth belt conveyor, the dust generated at each position in the cold asphalt material feeding area can be collected, and the dust at each position is collected into the dust remover for centralized treatment, so that the cleanliness of the cold asphalt material feeding area is improved;
2. through the arrangement of the buffer plate in the inner dedusting cover, impact abrasion of the slow cooling material falling to the wall plate can be prevented, and the inner wall of the inner dedusting cover is protected from being damaged;
3. the discharging cover is arranged in the feeding dust hood, so that the discharging amount of the belt conveyor can be controlled;
4. through set up scarce material warning subassembly in the dust excluding hood body, can send alarm signal when lacking the material on band conveyer.
Drawings
Fig. 1 is a perspective view of the first viewing angle of the present invention.
Fig. 2 is a perspective view of the second viewing angle of the present invention.
Fig. 3 is a perspective view of the valve of the present invention.
Fig. 4 is a perspective view of the feeding dust-removing cover of the present invention.
Fig. 5 is an internal structure view of the feeding dust excluding hood of the present invention.
Fig. 6 is a dust removing structure layout diagram of the third belt conveyor and the fourth belt conveyor of the present invention.
Fig. 7 is an internal structure view of the dust removing cover of the present invention.
Fig. 8 is a structural diagram of the dust removing inner cover of the present invention.
In the figure, 1, a storage bin; 2. a valve; 2.1, a valve seat; 2.2, a valve plate; 2.3, a valve rotating shaft; 2.4, a linkage rod; 3. dedusting branch pipes of the storage bin; 4. a stock bin dust removal header pipe; 5. a dust collecting pipe; 6. a dust collecting hopper; 7. a bag-type dust collector; 8. a cold hopper; 9. a first belt conveyor; 10. a second belt conveyor; 11. a feeding dust hood; 11.1, a dust removal port; 11.2, a dust collection groove; 11.3, a pipe orifice; 12. feeding and dedusting branch pipes; 13. a feeding dust removal pipe; 14. a third belt conveyor; 15. a fourth belt conveyor; 16. a first dust hood; 17. a second dust hood; 18. a hopper dust hood; 19. a discharge cover; 19.1, adjusting the groove; 20. a signal lever; 21. a signal wheel; 22. a fixed mount; 23. a proximity switch bracket; 24. triggering a signal plate; 25. a proximity switch; 26. an end dust shield; 26.1, lifting lugs; 27. arranging a dust hood; 27.1, a dust removal pipe orifice; 28. a dust removal housing; 29. a dust removal inner cover; 30. A striker plate; 31. A striker plate; 32. Adjusting the bolt; 33. An adjustment hole; 34. And a support plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the utility model discloses mainly include storage bin 1, sack cleaner 7, cold burden fill 8, first band conveyer 9, second band conveyer 10, third band conveyer 14 and fourth band conveyer 15.
As shown in fig. 1 and 2, a plurality of storage bins 1 are arranged side by side, a cold hopper 8 is arranged at the discharge port of each storage bin 1, a first belt conveyor 9 is arranged at the discharge port of the cold hopper 8, and a second belt conveyor 10 is arranged below the first belt conveyor 9 at the lower end of each storage bin 1. The discharge end of the second belt conveyor 10 is provided with a third belt conveyor 14, and the discharge end of the third belt conveyor 14 is provided with a fourth belt conveyor 15.
The cold material stored in the storage silo 1 enters the first belt conveyor 9 through the cold hopper 8, is then conveyed by the first belt conveyor 9 to the second belt conveyor 10, is conveyed by the second belt conveyor 10 to the third belt conveyor 14, and is finally conveyed from the third belt conveyor 14 to the fourth belt conveyor 15.
As shown in fig. 2, the middle part of the side wall of the storage bin 1 is provided with a dust removal port, the dust removal port is connected with a bin dust removal branch pipe 3, and the bin dust removal branch pipes 3 of the plurality of storage bins 1 are connected with a bin dust removal main pipe 4. A valve 2 is arranged in the bin dust removal branch pipe 3, and the valve 2 controls the opening and closing of the bin dust removal branch pipe 3. The main dust collecting pipe 4 of the storage bin is connected with a dust collecting hopper 6 through a dust collecting pipe 5, and the dust collecting hopper 6 is connected with a dust inlet of a bag-type dust collector 7. The raised dust in the storage bin 1 is collected by the bin dust removing branch pipes and then is sent to the bag-type dust remover through the bin dust removing main pipe to be subjected to centralized dust removing treatment.
As shown in fig. 3, the valve 2 includes a valve seat 2.1, a valve plate 2.2, a valve rotating shaft 2.3 and a linkage rod 2.4, the valve seat 2.1 is detachably connected in the bin dust removing branch pipe 3 through a connecting piece, the valve seat 2.1 is rotatably connected with the valve rotating shaft 2.3, the valve plate 2.2 is welded on the valve rotating shaft 2.3, and the valve plate 2.2 can seal the valve cavity of the valve seat 2.1. One end of the valve rotating shaft 2.3 is connected with the linkage rod 2.4, one end of the linkage rod 2.4 is connected with a rotation driving mechanism, and the rotation driving mechanism can adopt an air cylinder or an oil cylinder.
As shown in fig. 2, a hopper dust hood 18 is arranged around the discharge port of the cold hopper 8, one end of the hopper dust hood 2 is detachably connected with a feeding dust hood 11 through a connecting piece, and the feeding dust hood 11 is located on one side of the discharging end of the first belt conveyor 9.
As shown in fig. 4, a dust suction port 11.1 is formed in the feeding dust hood 11, the dust suction port 11.1 faces the upper end face of the first belt conveyor 9, the cold material falls onto the first belt conveyor 9 from the cold material hopper 8 and then generates dust, and the dust suction port 11.1 is used for sucking the dust generated by conveying the cold material on the upper end face of the first belt conveyor 9, so that the dust removal effect is improved.
As shown in fig. 4, a plurality of dust suction grooves 11.2 are arranged on the feeding dust hood 11, the plurality of dust suction grooves 11.2 face the side face of the discharging end of the first belt conveyor 9, the cold material can generate dust in the discharging end falling process of the first belt conveyor 9, and the dust suction grooves 11.2 are used for absorbing the dust generated in the discharging end falling process of the first belt conveyor 9, so that the dust removing effect is further improved.
As shown in fig. 4, a pipe orifice 11.3 is arranged on the side surface of the feeding dust hood 11, the pipe orifice 11.3 is connected with one end of a feeding dust removal branch pipe 12, and one end of the feeding dust removal branch pipe 12 is connected with the stock bin dust removal main pipe 4. The dust collected in the feeding dust hood 11 is sent into a bag-type dust remover by a dust collecting main pipe of a storage bin for centralized dust removal treatment.
In order to control the size of the last cold burden load of band conveyer, as shown in fig. 5, be equipped with ejection of compact cover 19 in the feed dust excluding hood 11, ejection of compact cover 19 both ends are connected on hopper dust blocking cover 18 through the round pin hub rotation, ejection of compact cover 19 side is through adjusting bolt connection hopper dust blocking cover 18, it is equipped with the adjustment tank 19.1 of rectangular shape to connect adjusting bolt position department on the ejection of compact cover 19, the setting of adjustment tank 19.1 makes ejection of compact cover 19 can rotate around the round pin hub, adjust the interval between ejection of compact cover 19 and the first band conveyer 9, finally realize the purpose of the first band conveyer 9 load of control.
In order to detect whether the first belt conveyor 9 is short of material, as shown in fig. 5, a short of material alarm assembly is arranged in the feeding dust hood 11. The material shortage warning assembly comprises a signal rod 20, a signal wheel 21, a fixing frame 22, a proximity switch support 23, a trigger signal plate 24 and a proximity switch 25, the fixing frame 22 is fixed on the upper end face of the feeding dust hood 11, the fixing frame 22 is connected with the signal wheel 21 in a rotating mode, the signal wheel 21 is connected with the signal rod 20, and the lower end of the signal rod 20 contacts with the upper end face of the first belt conveyor 9. The signal rod 20 is provided with a trigger signal plate 24. The fixing frame 22 is connected with a proximity switch bracket 23, the proximity switch bracket 23 is connected with a proximity switch 25, and the detection end of the proximity switch 25 faces the trigger signal plate 24.
When the first belt conveyor is fully paved with the cold materials, the cold materials collide with the signal rod and push the signal rod forward for a certain angle, the signal plate is triggered to be driven by the signal rod to deviate from the detection position of the proximity switch, and the proximity switch does not send out an alarm signal. When the belt conveyor is short of materials, the signal rod returns to the original position, the signal plate is triggered to return to the detection position of the proximity switch, and the proximity switch sends out a short of material alarm signal. Proximity switch is connected with the PLC control panel electricity, and the PLC control panel is connected with scarce material alarm electricity, and after proximity switch sent out scarce material alarm signal to the PLC control panel, PLC control panel control lacked material alarm sent out the police dispatch newspaper.
As shown in fig. 6, the third belt conveyor 14 is provided with a first dust hood 16, two sides of the first dust hood 16 are fixed on two side frame bodies of the third belt conveyor 14, and the first dust hood 16 covers the conveying belt of the third belt conveyor 14, so that dust on the conveying belt is prevented from entering an external space to pollute the environment.
As shown in fig. 6, a second dust hood 17 is arranged on the fourth belt conveyor 15, two sides of the second dust hood 17 are fixed on frame bodies on two sides of the fourth belt conveyor 15, and the second dust hood 17 covers the conveying belt of the fourth belt conveyor 15, so that dust on the conveying belt is prevented from entering an external space to pollute the environment.
As shown in fig. 6, the discharging end of the third belt conveyor 14 is provided with an end dust hood 26, one end of the end dust hood 26 is communicated with the first dust hood 16, and the other end is communicated with the upper dust hood 27. The blanking position of the fourth belt conveyor 15 is provided with a dust removing outer cover 28, two ends of the dust removing outer cover 28 are respectively fixed on the frame bodies on two sides of the fourth belt conveyor 15, the upper end of the dust removing outer cover 28 is fixed with a dust removing cover 27, and the upper dust removing cover 27 is communicated with the dust removing outer cover 28. The upper dust hood 27 is provided with a dust removing pipe orifice 27.1, the dust removing pipe orifice 27.1 is connected with the dust collecting hopper 6 through the feeding dust removing pipe 13, and the raised dust collected in the upper dust hood 27 is guided into the bag-type dust collector through the feeding dust removing pipe for dust removing treatment.
As shown in fig. 6, the end dust-blocking cover 26 is provided with a lifting lug 26.1, and the end dust-blocking cover 26 can be conveniently lifted and lifted to be mounted and dismounted through the lifting lug 26.1.
As shown in fig. 7, an inner dust-removing cover 29 is provided in the outer dust-removing cover 28, and a discharge hole is provided at one side of the inner dust-removing cover 29. Be equipped with a plurality of buffer boards 30 on every terminal surface of dust removal inner cover 29 inside wall, a plurality of buffer boards 30 along terminal surface from the top down evenly distributed, the buffer board 30 of setting on dust removal inner cover 29 inner wall can hinder slowly that the cold material falls to the impact wear of wallboard, and the protection dust removal inner cover 29 inner wall does not receive the damage.
As shown in fig. 8, a material baffle plate 31 is arranged at the discharge port of the inner dust removing cover 29, the material baffle plate 31 is connected to the inner dust removing cover 29 through an adjusting bolt 32, and cold materials pass through the gap between the material baffle plate 31 and the conveying belt. In order to control the discharge amount, the position of the striker plate 31 connected with the adjusting bolt 32 is provided with a strip-shaped adjusting hole 33, and the gap between the striker plate 31 and the conveying belt can be adjusted through the adjusting hole 33.
As shown in fig. 8, the dust removing inner cover 29 is fixedly connected with support plates 34 at both sides, and the lower ends of the support plates 34 are fixedly connected with the frame bodies at both sides of the fourth belt conveyor 15.
The utility model discloses a theory of operation is: during operation, cold materials in the storage bin enter the first belt conveyor through the cold hopper, are conveyed to the second belt conveyor by the first belt conveyor, are conveyed to the third belt conveyor by the second belt conveyor, and are conveyed to the fourth belt conveyor from the third belt conveyor.
The cold material in the storage bin produces the raise dust in the storage bin when falling to the cold hopper, and the raise dust is by collecting the back by the branch pipe of feed bin dust removal, send the concentrated dust removal processing in the sack cleaner through feed bin dust removal house steward.
When the cold material in the cold material hopper falls onto the first belt conveyor, the first belt conveyor conveys the cold material to one side of the feeding dust hood. The raised dust generated on the first belt conveyor is sucked by a dust suction opening of the feeding dust hood, and the raised dust generated during the blanking of the cold material on the blanking end of the first belt conveyor is sucked by a dust suction groove of the feeding dust hood. The cold burden volume of band conveyer unloading end transport is controlled by ejection of compact cover, adjusts the interval between ejection of compact cover and the band conveyer through the adjustment tank, finally realizes the purpose of control band conveyer load. Still be equipped with in the feed dust excluding hood and lack material warning subassembly, when band conveyer upper berth was full of cold burden, cold burden collision signal pole promoted certain angle forward with the signal pole, and the signal board is triggered this moment and is driven skew proximity switch's detection position by the signal pole, and proximity switch does not send alarm signal this moment. When the belt conveyor is short of materials, the signal rod returns to the original position, the signal plate is triggered to return to the detection position of the proximity switch, and the proximity switch sends out a short of material alarm signal. Proximity switch is connected with the PLC control panel electricity, and the PLC control panel is connected with scarce material alarm electricity, and after proximity switch sent out scarce material alarm signal to the PLC control panel, PLC control panel control lacked material alarm sent out the police dispatch newspaper.
First dust hood sets up on third band conveyer, it gets into outside workplace to reduce the dust of transporting the cold burden on the third band conveyer, second dust hood sets up on fourth band conveyer, it gets into outside workplace to reduce the dust of transporting the cold burden on the fourth band conveyer, the tip dust hood, go up the dust excluding hood, dust removal dustcoat and dust removal inner cover collect the raise dust between third band conveyer and the fourth band conveyer jointly, the raise dust of cold burden pay-off in-process has been reduced, the cleanliness factor in pay-off place has been improved. Set up the buffer board in dust removal inner cover, can hinder slowly that cold material falls to the impact wear of wallboard, protection dust removal inner cover inner wall does not receive the damage.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a regional dust collector that synthesizes of pitch cold burden material loading, includes storage bin (1), sack cleaner (7), cold charge fill (8), first band conveyer (9), second band conveyer (10), third band conveyer (14) and fourth band conveyer (15), and is a plurality of storage bin (1) sets up side by side, and the discharge gate department of every storage bin (1) is equipped with cold charge fill (8), and the discharge gate department of cold charge fill (8) is equipped with first band conveyer (9), and is a plurality of first band conveyer (9) below of storage bin (1) lower extreme is equipped with second band conveyer (10), and second band conveyer (10) discharge end is equipped with third band conveyer (14), and third band conveyer (14) discharge end is equipped with fourth band conveyer (15), its characterized in that: the middle part of the side wall of the storage bin (1) is provided with a dust removal port, the dust removal port is connected with bin dust removal branch pipes (3), the bin dust removal branch pipes (3) of a plurality of storage bins (1) are jointly connected to a bin dust removal main pipe (4), the bin dust removal main pipe (4) is connected with a dust hopper (6) through a dust collection pipe (5), and the dust hopper (6) is connected to a dust inlet of a bag-type dust remover (7);
a hopper dust hood (18) is arranged around a discharge port of the cold hopper (8), one end of the hopper dust hood (18) is detachably connected with a feeding dust hood (11) through a connecting piece, and the feeding dust hood (11) is positioned on one side of a discharging end of the first belt conveyor (9); a dust collection port (11.1) is formed in the feeding dust hood (11), the dust collection port (11.1) faces the upper end face of the first belt conveyor (9), a plurality of dust collection grooves (11.2) are formed in the feeding dust hood (11), and the plurality of dust collection grooves (11.2) face the side face of the discharging end of the first belt conveyor (9); a pipe orifice (11.3) is arranged on the side surface of the feeding dust removing cover (11), the pipe orifice (11.3) is connected with one end of a feeding dust removing branch pipe (12), and one end of the feeding dust removing branch pipe (12) is connected with a stock bin dust removing main pipe (4);
the third belt conveyor (14) is provided with a first dust hood (16), two sides of the first dust hood (16) are fixed on frame bodies on two sides of the third belt conveyor (14), and the first dust hood (16) covers the conveying belt of the third belt conveyor (14); a second dust hood (17) is arranged on the fourth belt conveyor (15), two sides of the second dust hood (17) are fixed on frame bodies on two sides of the fourth belt conveyor (15), and the second dust hood (17) covers the conveying belt of the fourth belt conveyor (15);
third band conveyer (14) ejection of compact tip is equipped with tip dust hood (26), tip dust hood (26) one end and first dust hood (16) intercommunication, the other end and last dust hood (27) intercommunication, the blanking position department of fourth band conveyer (15) is equipped with dust removal dustcoat (28), dust removal dustcoat (28) both ends are fixed respectively on the both sides support body of fourth band conveyer (15), fixed dust hood (27) in dust removal dustcoat (28) upper end, go up dust hood (27) and dust removal dustcoat (28) intercommunication, upward be equipped with dust removal mouth of pipe (27.1) on dust removal dustcoat (27), dust removal mouth of pipe (27.1) is connected dust hopper (6) through pay-off dust removal pipe (13), be equipped with dust removal inner cover (29) in dust removal dustcoat (28).
2. The comprehensive dust removal device for the asphalt cold material feeding area according to claim 1, characterized in that: be equipped with valve (2) in feed bin dust removal minute pipe (3), valve (2) are including valve seat (2.1), valve board (2.2), valve pivot (2.3) and gangbar (2.4), valve seat (2.1) are connected in feed bin dust removal minute pipe (3) through connecting piece detachable, rotate on valve seat (2.1) and connect valve pivot (2.3), weld valve board (2.2) on valve pivot (2.3), valve board (2.2) can seal the valve pocket of valve seat (2.1), gangbar (2.4) is connected to valve pivot (2.3) one end, drive mechanism is rotated in gangbar (2.4) one end connection.
3. The comprehensive dust removal device for the asphalt cold material feeding area according to claim 1, characterized in that: be equipped with ejection of compact cover (19) in feed dust excluding hood (11), ejection of compact cover (19) both ends are rotated through the round pin axle and are connected on hopper dust hood (18), and ejection of compact cover (19) side is passed through adjusting bolt and is connected hopper dust hood (18), and it is equipped with regulation groove (19.1) of rectangular shape to connect adjusting bolt position department on ejection of compact cover (19), and setting up of regulation groove (19.1) makes ejection of compact cover (19) can rotate around the round pin axle.
4. The comprehensive dust removal device for the asphalt cold material feeding area according to claim 1, characterized in that: be equipped with in feed dust excluding hood (11) and lack material warning subassembly, it includes signal pole (20) to lack material warning subassembly, signal wheel (21), mount (22), proximity switch support (23), trigger signal board (24) and proximity switch (25), mount (22) are fixed at feed dust excluding hood (11) up end, rotate on mount (22) and connect signal wheel (21), connect signal pole (20) on signal wheel (21), signal pole (20) lower extreme contact first band conveyer (9) up end, be equipped with on signal pole (20) and trigger signal board (24), connect proximity switch support (23) on mount (22), connect proximity switch (25) on proximity switch support (23), the sense terminal of proximity switch (25) is towards trigger signal board (24).
5. The comprehensive dust removal device for the asphalt cold material feeding area according to claim 1, characterized in that: each end face of the inner side wall of the dust removal inner cover (29) is provided with a plurality of buffer plates (30), and the plurality of buffer plates (30) are uniformly distributed from top to bottom along the end faces.
6. The comprehensive dust removal device for the asphalt cold material feeding area according to claim 1, characterized in that: dust removal inner cover (29) one side is equipped with the discharge gate, and the discharge gate department of dust removal inner cover (29) is equipped with striker plate (31), and striker plate (31) are connected on dust removal inner cover (29) through adjusting bolt (32), and adjusting bolt (32) position department is connected on striker plate (31) is equipped with regulation hole (33) of rectangular shape.
7. The comprehensive dust removal device for the asphalt cold material feeding area according to claim 1, characterized in that: and two sides of the dust removing inner cover (29) are fixedly connected with supporting plates (34) respectively, and the lower ends of the supporting plates (34) are fixedly connected to frame bodies on two sides of the fourth belt conveyor (15).
8. The comprehensive dust removal device for the asphalt cold material feeding area according to claim 1, characterized in that: lifting lugs (26.1) are arranged on the end dust shield (26).
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CN201922114236.9U CN211496132U (en) | 2019-11-29 | 2019-11-29 | Comprehensive dust removal device for asphalt cold material feeding area |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112591497A (en) * | 2020-12-09 | 2021-04-02 | 江苏祥瑞港机设备有限公司 | Automatic environment-friendly type telescopic amplitude-variable ship loader |
CN113634189A (en) * | 2021-08-25 | 2021-11-12 | 乐清市建瓴沥青混凝土有限公司 | Feeding and dust removing system for asphalt mixing plant |
CN117585488A (en) * | 2024-01-19 | 2024-02-23 | 云南西南水泥有限公司 | Closed belt conveyor of cement raw materials |
-
2019
- 2019-11-29 CN CN201922114236.9U patent/CN211496132U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112591497A (en) * | 2020-12-09 | 2021-04-02 | 江苏祥瑞港机设备有限公司 | Automatic environment-friendly type telescopic amplitude-variable ship loader |
CN113634189A (en) * | 2021-08-25 | 2021-11-12 | 乐清市建瓴沥青混凝土有限公司 | Feeding and dust removing system for asphalt mixing plant |
CN117585488A (en) * | 2024-01-19 | 2024-02-23 | 云南西南水泥有限公司 | Closed belt conveyor of cement raw materials |
CN117585488B (en) * | 2024-01-19 | 2024-05-10 | 云南西南水泥有限公司 | Closed belt conveyor of cement raw materials |
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