CN213492621U - Dust device for asphalt mixing station - Google Patents
Dust device for asphalt mixing station Download PDFInfo
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- CN213492621U CN213492621U CN202022180744.XU CN202022180744U CN213492621U CN 213492621 U CN213492621 U CN 213492621U CN 202022180744 U CN202022180744 U CN 202022180744U CN 213492621 U CN213492621 U CN 213492621U
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Abstract
The utility model relates to a dust device is used at pitch mix station, it is including falling the dirt cover, and dust fall cover is established on the material loading belt feeder, and the top intercommunication of falling the dirt cover is provided with many dust fall pipes, and one side of material loading belt feeder is provided with the dust fall case, and the one end that falls the dirt cover was kept away from to many dust fall pipes all communicates with dust fall case, falls to be provided with the negative pressure spare that is used for producing the negative pressure in the dust fall case on the dust fall case. This application is through setting up the dust fall cover, the dust fall pipe, dust fall case and negative pressure piece, have when making dust device carry out the dust fall to material loading belt feeder, start the negative pressure piece, the air in the negative pressure piece will fall the dust case is taken out, produce the negative pressure in the dust fall case then, thereby the dust fall pipe is close to the one end production suction that falls the dust cover, make the dust that the dust fall cover covers simultaneously inhale through the dust fall pipe and fall the dust case, and then reduce the pollution of dust to the air, finally reach and avoid beating wet condition emergence to ore raw materials surface, increase drying drum and to the drying efficiency of ore raw materials, and then improve the production efficiency at pitch mix station.
Description
Technical Field
The application relates to the technical field of asphalt concrete production equipment, in particular to a dust falling device for an asphalt mixing station.
Background
The asphalt mixing station is a device for mixing and stirring aggregates, fillers and asphalt with different particle sizes after drying and heating into a uniform mixture according to a designed mixing ratio at a specified temperature. Asphalt mixing plants are formed by connecting relatively independent devices to form a system centered on a mixer. These devices mainly comprise: the device comprises a cooling device, a drying roller, a hot aggregate lifting device, a vibration screening device, a stirring pot, an asphalt tank, a finished product bin and the like.
When using the mixer, transport the ore raw materials of different specifications to the cold feed bin that corresponds in, then transport the ore in the cold feed bin raw materials in the drying drum through the feed belt feeder, drying drum heats the ore raw materials to the uniform temperature after, the ore raw materials comes out at drying drum's export, mention among the shale shaker device by hot aggregate lifting machine, screen into a plurality of specifications with the ore raw materials through the shale shaker device, get into respectively and store in the corresponding hot material storehouse, the hot pitch that the pitch jar sent simultaneously and the ore raw materials in the hot material storehouse get into the agitator kettle simultaneously and force the stirring, the finished product that stirs is sent into in the finished product feed bin.
In the related art, for example, chinese utility model patent with publication number CN207605530U discloses a dustproof system for asphalt mixing station, which comprises a plurality of mutually independent cold material bin bodies, a feeding belt conveyor, a drying drum, a hot aggregate elevator, a vibrating screen, a hot material bin, a stirring pot, an asphalt tank and a finished product bin; the cold material bin body, the feeding belt conveyor, the drying roller, the hot aggregate elevator, the vibrating screen and the hot material bin are sequentially connected, the hot material bin and the asphalt tank are both connected with a stirring pot, and the stirring pot is connected with a finished product bin; the device comprises a cold material bin body, a feeding belt machine, a drying roller, a discharge flue, a first-stage dustproof device, a second-stage dustproof device, a third-stage dustproof device, a fourth-stage dustproof device and a waste gas treatment device, wherein the first-stage dustproof device is arranged at the upper end of the cold material bin body, the second-stage dustproof device is arranged at the lower end of the cold material bin body, the third-stage dustproof device is arranged between the cold material bin body and the feeding belt machine, the fourth-. The dustproof system in the embodiment discloses that four-stage dustproof equipment adopts a water spraying mode to perform dust fall on a feeding belt.
To the correlation technique among the above-mentioned, the inventor thinks when the level four dust keeper prevents dust to the ore raw materials, need spray water to the ore raw materials, has then increased the moisture content on ore raw materials surface to make drying drum need carry out long-time drying to the ore raw materials, there is the time that increases drying drum and carry out the drying to the ore raw materials, and then reduce pitch mixing station production efficiency's defect.
SUMMERY OF THE UTILITY MODEL
In order to reduce drying drum and to the used time of ore raw materials drying, improve the production efficiency of pitch mixing station, this application provides a dust device for pitch mixing station.
The application provides a pair of dust device for asphalt mixing station adopts following technical scheme:
the utility model provides a dust device is used at pitch mix station, is including falling the dirt cover, fall the dirt cover and establish on the material loading belt feeder, the top intercommunication that falls the dirt cover is provided with many dust fall pipes, and one side of material loading belt feeder is provided with the dust fall case, many the dust fall pipe is kept away from the one end that falls the dirt cover and is all communicated with the dust fall case, fall and be provided with the negative pressure spare that is used for producing the negative pressure in the dust fall case on the dust fall case.
Through adopting above-mentioned technical scheme, when making dust device carry out the dust fall to the material loading belt feeder, start the negative pressure spare, make the air of negative pressure spare in with the dust fall case take out, then make the negative pressure that produces in the dust fall case, thereby make the dust fall pipe be close to the one end production suction that falls the dirt cover, make the dust that the dust fall covers simultaneously and inhale through the dust fall pipe and fall the dirt case, and then reduce the pollution of dust to the air, finally reach and avoid beating wet condition emergence to ore raw materials surface, increase drying drum and to the drying efficiency of ore raw materials, and then improve the production efficiency at pitch mix station.
Preferably, one end of the dust falling cover, which is close to the drying drum, is provided with an extension cover, and the extension cover is arranged at a feed inlet of the drying drum.
Through adopting above-mentioned technical scheme, when dust device carries out the dust fall to the unloading belt feeder, extend the cover and cover drying drum's feed inlet, reduce the dust that raises when the ore raw materials transports drying drum at last feeding belt feeder then to the pollution of air, and then increase feeding belt feeder's cleanliness factor.
Preferably, the dust settling box is internally provided with a filter plate for filtering dust, and the filter plate is arranged in a direction perpendicular to the air flowing direction in the dust settling box.
Through adopting above-mentioned technical scheme, the dust that gets into in the dust fall case through the dust fall pipe is blockked by the filter, makes then the air in the dust fall case take out the dust fall case through the negative pressure piece for the dust stays in the dust fall case, and then reduces the dust and takes out the pollution to the air in the dust fall case through the negative pressure piece, finally reaches the effect that increases dust device feature of environmental protection.
Preferably, the bottom intercommunication of dust falling box is provided with the dust exhaust pipe, the dust exhaust pipe sets up between filter and dust falling box keep away from the one end of negative pressure parts, just a lateral wall and the filter coplane setting of dust exhaust pipe, the one end that dust falling box was kept away from to the dust exhaust pipe is provided with the water tank, just the dust exhaust pipe stretches into in the water tank.
Through adopting above-mentioned technical scheme, the dust that is blockked down by the filter slides along the filter to the dust exhaust pipe in, makes then the dust in the dust exhaust pipe along the dust exhaust pipe get into the water tank, and the dust that gets into in the water tank is in the same place with the water in the water tank, and then reduces the dust and floats the influence of air to the air quality.
Preferably, a scraper is arranged on the side, away from the negative pressing piece, of the filter plate, and the scraper is connected with the filter plate in a sliding mode along the direction close to or far away from the dust exhaust pipe.
Through adopting above-mentioned technical scheme, at the dust device during operation, drive the scraper blade, make the scraper blade scrape the filter then to make the dust on the scraper blade scrapes, the dust that is scraped falls to the dust exhaust pipe in the effect of self gravity and the effect of scraper blade, and then reduces the influence of dust adhesion on the filter to the filter gas permeability.
Preferably, the side face, facing the negative pressing piece, of the filter plate is provided with a brush, the brush is connected with the filter plate in a sliding mode along the direction close to or far away from the dust exhaust pipe, and the brush faces the filter plate.
Through adopting above-mentioned technical scheme, drive the brush at dust device during operation, make brush and filter take place relative motion then to make the brush clean the filter, and then reduce the condition emergence that the filter hole on the dust blockked up on with the filter, set up the brush on the side of filter orientation negative pressure part, can reduce the brush and clean the filter when, the dust passes the filter and is taken out the condition emergence of dust falling case by the negative pressure piece.
Preferably, the dust falling box is provided with a synchronous driving assembly for synchronously driving the brush and the scraper.
Through adopting above-mentioned technical scheme, at dust device during operation, start the synchronous drive subassembly for the synchronous drive subassembly carries out synchronous drive to brush and scraper blade, makes brush and scraper blade clear up the filter simultaneously then, and then realizes the synchronous work of scraper blade and brush.
Preferably, the synchronous drive subassembly includes two sets of reciprocal lead screws and driving motor, every group reciprocal lead screw all includes lead screw body and slider, slider and the reciprocal sliding connection of lead screw body, two the lead screw body all rotates with the dust fall case to be connected, and two the slider respectively with scraper blade and brush fixed connection, and two the dust fall case is all worn out with one end of lead screw body, two the equal coaxial fixedly connected with belt pulley of one end that the dust fall case was worn out to the lead screw body, two the belt pulley passes through belt transmission and connects, driving motor and dust fall case fixed connection, just driving motor's output shaft and a lead screw body transmission are connected.
Through adopting above-mentioned technical scheme, at the dust device during operation, start driving motor for driving motor drives a lead screw body and rotates, make two lead screw bodies rotate in step under the effect of belt pulley and belt, thereby make two lead screw bodies rotate in step, and then make two sliders take place reciprocating sliding with the lead screw body that corresponds separately respectively, make two sliders drive scraper blade and the brush that corresponds separately simultaneously and take place relative slip with the filter, finally reach the work that scraper blade and brush carried out synchronous clearance to the filter.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the dust falling cover, the dust falling pipe, the dust falling box and the negative pressure piece, when the dust falling device is enabled to fall dust to the feeding belt conveyor, the negative pressure piece is started, so that the negative pressure piece is used for pumping out air in the dust falling box, and then negative pressure is generated in the dust falling box, so that suction is generated at one end, close to the dust falling cover, of the dust falling pipe, dust covered by the dust falling cover is sucked into the dust falling box through the dust falling pipe, further pollution of the dust to the air is reduced, finally, the situation that the surface of an ore raw material is prevented from being wetted is achieved, the drying efficiency of a drying drum to the ore raw material is increased, and further, the production efficiency of an asphalt mixing station;
2. by arranging the extension cover, when the dust falling device falls dust on the blanking belt conveyor, the extension cover covers the feed port of the drying drum, so that the pollution of dust raised when ore raw materials are transferred into the drying drum by the feeding belt conveyor to the air is reduced, and the cleanness of the feeding belt conveyor is improved;
3. through setting up the filter, the dust in the dust fall pipe entering dust fall case is blockked by the filter, makes the air in the dust fall case take out the dust fall case through the negative pressure piece then for the dust stays in the dust fall case, and then reduces the dust and takes out the pollution to the air in the dust fall case through the negative pressure piece, finally reaches the effect that increases dust device feature of environmental protection.
Drawings
FIG. 1 is a schematic structural diagram of a dust settling device for an asphalt mixing station;
FIG. 2 is a schematic view of another perspective of the dust-settling device for the asphalt mixing station, mainly illustrating the internal structure of the dust-settling tank;
fig. 3 is an enlarged view of a portion a in fig. 2.
Description of reference numerals: 100. a dust falling cover; 110. a dust settling pipe; 120. an extension hood; 200. a dust falling box; 210. a filter plate; 211. a squeegee; 212. a brush; 220. a dust exhaust pipe; 221. a water tank; 300. a negative pressure fan; 400. a synchronous drive assembly; 410. a reciprocating screw; 411. a lead screw body; 412. a slider; 413. a belt pulley; 414. a belt; 420. a drive motor; 500. a feeding belt conveyor; 600. and drying the roller.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses dust device for asphalt mixing station.
Referring to fig. 1, a dust device for pitch mixing station is including falling dust cover 100, and dust cover 100 covers and establishes on material loading belt feeder 500, and dust cover 100 is close to the one end of dry drum 600 and has been arranged and extend cover 120, extends cover 120 and covers and establish in the feed inlet department of dry drum 600, and extends cover 120 and dust cover 100 fixed connection. Dust falling cover 100 and extension cover 120's top all communicates and has arranged many dust fall pipes 110, and dust falling box 200 is installed to one side of material loading belt feeder 500, and the one end that dust falling cover 100 was kept away from to many dust fall pipes 110 all communicates with same one side of dust falling box 200. Referring to fig. 2, a negative pressure member for generating negative pressure in the dust box 200 is mounted on the dust box 200, the negative pressure member is a negative pressure fan 300, the negative pressure fan 300 is communicated with the dust box 200, and the negative pressure fan 300 and the dust falling pipe 110 are respectively mounted on two opposite side surfaces of the dust box 200.
When carrying out the dust fall to material loading belt feeder 500, start negative pressure fan 300, make negative pressure fan 300 take out the air that falls in the dirt case 200, then make and fall and produce the negative pressure in the dirt case 200, make many dust fall pipes 110 keep away from the dust that falls the one end of dirt case 200 and to falling the dust production suction that dirt cover 100 covered simultaneously, thereby make dust fall pipe 110 will fall the dust in dirt cover 100 and take out into dust falling case 200 through dust fall pipe 110, and then make the dust that produces when material loading belt feeder 500 transports the ore raw materials collect.
Referring to fig. 2, in order to reduce dust in the dust falling box 200 from being drawn out of the dust falling box 200 along with air, a filter plate 210 for filtering the dust is fixedly installed in the dust falling box 200, and the filter plate 210 is arranged perpendicular to the direction in which the air flows in the dust falling box 200. The dust entering the dust falling box 200 through the dust falling pipe 110 is blocked by the filter plate 210, so that the dust stays in the dust falling box 200, and the situation that the dust floats to the outside air along with the air in the dust falling box 200 is reduced.
Referring to fig. 3, in order to reduce the occurrence of dust clogging the filter holes of the filter plates 210, a scraper 211 is installed on the side of the filter plates 210 away from the negative pressure fan 300, the scraper 211 is slidably connected with the filter plates 210 in a direction close to or away from the bottom of the dust falling box 200, and one end of the scraper 211 away from the filter plates 210 is obliquely arranged toward the bottom of the dust falling box 200. The filter plate 210 has a brush 212 mounted on a side thereof facing the negative pressure fan 300, the brush 212 is slidably connected to the filter plate 210 in a direction approaching or departing from the bottom of the dust box 200, and the brush 212 is disposed facing the filter plate 210.
At the dust device during operation, drive scraper blade 211 and brush 212, make brush 212 and scraper blade 211 clean filter 210 then, make brush 212 will clear up the filtration pore of filtering 210 simultaneously, scraper blade 211 scrapes the dust on filter 210 surface, when scraper blade 211 moves towards the direction of keeping away from dust falling box 200 bottom, the dust falls on the side that scraper blade 211 deviates from dust falling box 200 bottom, and then make the dust along the bottom of the scraper blade 211 landing to dust falling box 200 that the slope was arranged, it takes place to reduce the condition that the filtration pore was blockked up to the dust.
In order to realize the synchronous movement of the scraper 211 and the brush 212, a synchronous driving assembly 400 for synchronously driving the brush 212 and the scraper 211 is installed on the dust falling box 200. The synchronous driving assembly 400 comprises two sets of reciprocating lead screws 410 and a driving motor 420, each set of reciprocating lead screws 410 comprises a lead screw body 411 and a sliding block 412, and the sliding block 412 is connected with the lead screw body 411 in a reciprocating sliding mode. Both screw bodies 411 are rotatably connected with dust settling box 200, and both sliding blocks 412 are fixedly connected with scraper 211 and brush 212 respectively. The same ends of the two screw bodies 411 penetrate through the dust falling box 200, one ends of the two screw bodies 411 penetrating through the dust falling box 200 are coaxially and fixedly connected with belt pulleys 413, and the two belt pulleys 413 are in transmission connection through a belt 414. The driving motor 420 is fixedly connected to the dust falling box 200, and an output shaft of the driving motor 420 is coaxially and fixedly connected to a lead screw body 411.
When dust device carries out the dust fall to material loading belt feeder 500, start driving motor 420 for driving motor 420 drives a lead screw body 411 and rotates, makes two lead screw bodies 411 synchronous rotation under the effect of belt 414 then, thereby makes two lead screw bodies 411 drive the slider 412 motion that corresponds separately, makes simultaneously that brush 212 and scraper blade 211 clean filter 210 in step, and then reduces the condition emergence that the dust blockked up the filtration pore.
In order to reduce the accumulation of dust in the dust settling box 200, a dust exhaust pipe 220 is installed at the bottom of the dust settling box 200 in a communicating manner, the dust exhaust pipe 220 is installed between the filter plate 210 and one end of the dust settling box 200 far away from the negative pressure fan 300, and one side wall of the dust exhaust pipe 220 is coplanar with the filter plate 210. One end of the dust exhaust pipe, which is far away from the dust falling box 200, is provided with a water tank 221, the dust exhaust pipe 220 extends into the water tank 221, and water in the water tank 221 sinks through a dust exhaust port of the dust exhaust pipe 220 when the dust falling device works.
The dust drawn into the dust falling box 200 and the dust scraped by the scraper 211 fall into the dust exhaust pipe 220, and then the dust in the dust exhaust pipe 220 falls into the water tank 221 along the dust exhaust pipe 220 to be merged with water. The water in the water tank 221 is submerged through the dust outlet of the dust exhaust pipe 220, so that the air in the dust falling box 200 can be prevented from entering the dust falling box 200 through the dust exhaust pipe 220.
The embodiment of the application provides a dust device for asphalt mixing station's implementation principle does: when the dust settling device is used to perform dust settling on the feeding belt conveyor 500, water is first injected into the water tank 221, so that the water in the water tank 221 flows through the dust discharge port of the dust discharge pipe 220. Then, the driving motor 420 and the negative pressure fan 300 are started, and then the negative pressure fan 300 is caused to draw out the air in the dust box 200. Therefore, negative pressure is generated in the dust falling box 200, and simultaneously, a pulling force is generated at one end of the dust falling pipe 110 far away from the dust falling box 200, so that dust covered by the dust falling cover 100 enters the dust falling box 200 through the dust falling pipe 110. The dust entering the dust falling box 200 through the dust falling pipe 110 is blocked by the filter plate 210, and the scraper 211 and the brush 212 synchronously clean the filter plate 210, so that the situation that the filter holes are blocked by the dust is reduced. The dust that is stopped down by filter 210 and the dust that is scraped off by scraper blade 211 drop in dust exhaust pipe 220 under the effect of self gravity, make the dust discharge pipe 220 through in the water tank 221 simultaneously, and then the water in dust and the water tank 221 melts together, reduces the dust and wafts the pollution to the air in the air.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a dust device is used at pitch mix station which characterized in that: including falling dirt cover (100), fall dirt cover (100) cover and establish on material loading belt feeder (500), the top intercommunication that falls dirt cover (100) is provided with many dust fall pipes (110), and one side of material loading belt feeder (500) is provided with dust fall case (200), many the dust fall pipe (110) are kept away from the one end that falls dirt cover (100) and all are with dust fall case (200) intercommunication, it is provided with the negative pressure piece that is arranged in dust fall case (200) to produce the negative pressure on dust fall case (200).
2. The dust falling device for the asphalt mixing station according to claim 1, is characterized in that: the dust falling cover (100) is close to one end of the dust falling cover, an extension cover (120) is arranged at one end of the dust falling cover, and the extension cover (120) is covered at a feed inlet of the drying roller (600).
3. The dust falling device for the asphalt mixing station according to claim 1, is characterized in that: the dust falling box (200) is internally provided with a filter plate (210) for filtering dust, and the filter plate (210) is arranged perpendicular to the flowing direction of air in the dust falling box (200).
4. The dust falling device for the asphalt mixing station according to claim 3, is characterized in that: the bottom intercommunication of dust falling box (200) is provided with dust exhaust pipe (220), dust exhaust pipe (220) set up in filter (210) and dust falling box (200) keep away from between the one end of negative pressure spare, just a lateral wall and filter (210) coplane setting of dust exhaust pipe (220), the one end that dust falling box (200) were kept away from to the dust exhaust pipe is provided with water tank (221), just dust exhaust pipe (220) stretch into in water tank (221).
5. The dust falling device for the asphalt mixing station according to claim 4, is characterized in that: the side of the filter plate (210) departing from the negative pressing piece is provided with a scraper (211), and the scraper (211) is connected with the filter plate (210) in a sliding manner along the direction close to or far away from the dust exhaust pipe (220).
6. The dust falling device for the asphalt mixing station according to claim 5, is characterized in that: be provided with brush (212) on filter plate (210) the side towards the negative pressure spare, brush (212) are along being close to or keeping away from dust exhaust pipe (220) direction and filter plate (210) sliding connection, just the hair of brush (212) sets up towards filter plate (210).
7. The dust falling device for the asphalt mixing station according to claim 6, is characterized in that: the dust falling box (200) is provided with a synchronous driving assembly (400) for synchronously driving the brush (212) and the scraper (211).
8. The dust falling device for the asphalt mixing station according to claim 7, is characterized in that: the synchronous driving assembly (400) comprises two groups of reciprocating lead screws (410) and driving motors (420), each group of reciprocating lead screws (410) comprises a lead screw body (411) and a sliding block (412), the sliding block (412) is connected with the screw rod bodies (411) in a reciprocating sliding manner, the two screw rod bodies (411) are rotationally connected with the dust falling box (200), and the two sliding blocks (412) are respectively and fixedly connected with the scraping plate (211) and the brush (212), the same end of each of the two lead screw bodies (411) penetrates out of the dust falling box (200), one end of each of the two lead screw bodies (411) penetrating out of the dust falling box (200) is coaxially and fixedly connected with a belt pulley (413), the two belt pulleys (413) are in transmission connection through a belt (414), the driving motor (420) is fixedly connected with the dust falling box (200), and the output shaft of the driving motor (420) is in transmission connection with a lead screw body (411).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022180744.XU CN213492621U (en) | 2020-09-28 | 2020-09-28 | Dust device for asphalt mixing station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022180744.XU CN213492621U (en) | 2020-09-28 | 2020-09-28 | Dust device for asphalt mixing station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213492621U true CN213492621U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022180744.XU Active CN213492621U (en) | 2020-09-28 | 2020-09-28 | Dust device for asphalt mixing station |
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|---|---|
| CN (1) | CN213492621U (en) |
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- 2020-09-28 CN CN202022180744.XU patent/CN213492621U/en active Active
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Address after: Room 102, Building 8, Tangye Academician Valley, No. 9099, Century Avenue, Tangye Street, Jinan District, China (Shandong) Pilot Free Trade Zone, 250000 Shandong Province Patentee after: Shandong Datong Construction Group Co.,Ltd. Address before: Room 101, attached building, office building, No.57 Huayuan Road, Licheng District, Jinan City, Shandong Province Patentee before: Shandong Datong Highway Engineering Co.,Ltd. |