CN214130841U - Dust collector for concrete mixing plant - Google Patents

Abstract

The utility model provides a dust collector for concrete mixing plant, including the admission line, communicate in the dust collector of admission line end of giving vent to anger, communicate in the exhaust duct of dust collector end of giving vent to anger and set up in the air exhauster of exhaust duct end of giving vent to anger, the admission end of admission line is provided with gaseous preprocessing device, the admission end of dust collector is provided with anti-return assembly, the bottom of dust collector is provided with the deashing subassembly, the utility model discloses a gaseous preprocessing device can filter out the grit that the granule is great, reduces the wearing and tearing to filter bag and box inner wall; meanwhile, the heating assembly in the device can remove moisture in the gas, prevent the phenomenon of hardening caused by combination of dust and moisture, and ensure the dust removal efficiency of the device; the backflow prevention assembly arranged on the box body can prevent gas in the box body from backflow, and the dust removal effect is guaranteed; utilize the deashing subassembly, can concentrate the dust and carry to the device outside, avoid appearing the secondary raise dust, have better practicality.

Description

Dust collector for concrete mixing plant

Technical Field

The utility model relates to a concrete preparation equipment technical field especially relates to a dust collector for concrete mixing plant.

Background

With the continuous development of economy in China, the urbanization process is continuously promoted, and the rapid development of a large amount of concrete industry is driven. Along with the gradual improvement of environmental awareness of people and the requirements of national policies, most concrete mixing plants adopt certain dust removal measures for concrete processing. For example, chinese patent with application number of 2017.11.09, CN207641162U, entitled "a bag dust collector for concrete mixing plant" also discloses a dust collector for concrete mixing plant, but because the dust amount of concrete mixing plant is large and the particle size is not uniform, the aforesaid patent is in the process of dust collection, the larger granular gravel mixed in the dust will enter the dust collector along with the gas and will impact the inside of the device along with the gas flow, thereby increasing the loss of the filter component inside the dust collector, and reducing the dust collection efficiency of the dust collector over time, so the practicability is not strong.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main objective is to solve the problem that exists among the prior art, provides a dust collector for concrete mixing plant.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a concrete mixing plant uses dust collector, includes the admission line, communicates in the admission line give vent to anger the dust collector of end, communicates in the exhaust duct of the end of giving vent to anger of dust collector and set up in the air exhauster that the end was given vent to anger in the exhaust duct, the admission end of admission line is provided with gaseous preprocessing device, dust collector's admission end is provided with backflow prevention subassembly, dust collector's bottom is provided with the deashing subassembly.

Further, gaseous preprocessing device is including a jar body, filter screen, heating element and unload grey subassembly, the end of giving vent to anger of jar body is linked together with the inlet end of admission line, the filter screen sets up in the inside of jar body, heating element sets up on the inner wall of jar body, it sets up in the bottom of jar body to unload grey subassembly.

Further, unload grey subassembly and include the casing, unload grey motor, drive shaft and blade, the casing is connected with the jar body, unload grey motor and set up on the casing, its output is connected with the drive shaft, the blade is connected in the drive shaft, and this blade supports and leans on the inner wall in casing.

Further, the backflow prevention assembly is arranged to be a check valve, and the check valve is arranged at the air inlet end of the dust removal device.

Further, the deashing subassembly includes ash storage bin, driving motor and auger delivery pole, the entrance point in ash storage bin is connected in dust collector's exit end, driving motor connects on ash storage bin, and its output is connected with auger delivery pole's input, auger delivery pole cooperatees and rotates and set up inside ash storage bin.

Furthermore, the outlet end of the ash storage bin is provided with an ash discharge pipeline, the ash discharge pipeline is provided with a humidifier, and the outlet end of the ash discharge pipeline is provided with a sealing door.

Further, dust collector includes box, filtering component and jetting subassembly, the inlet end of box and the end intercommunication of giving vent to anger of admission line, its end of giving vent to anger communicates with each other with exhaust duct's inlet end, filtering component and jetting subassembly all set up in the box inside, just the end of giving vent to anger of jetting subassembly is located filtering component's top.

Furthermore, a lower air chamber and an upper air chamber are arranged in the box body, the lower air chamber is communicated with the air outlet end of the air inlet pipeline, the upper air chamber is communicated with the air inlet end of the air outlet pipeline, the lower air chamber and the upper air chamber are separated by a flow guide partition plate, and the filter assembly is matched with and penetrates through the flow guide partition plate.

Further, filtering component includes mounting panel, bag cage and crosses the filter bag, the mounting panel is located the top of plenum, and this mounting panel is connected with the box inner wall, the bag cage sets up on the mounting panel, cross the filter bag cover and locate on the bag cage, just cross the filter bag and pass the water conservancy diversion baffle with the cooperation of bag cage homogeneous phase.

Further, the jetting subassembly includes gas bag, jetting pipeline, pulse solenoid valve and injection pipe, the gas bag sets up on the box, the inlet end of jetting pipeline is connected in the end of giving vent to anger of gas bag, the pulse solenoid valve sets up on the jetting pipeline, the inlet end of injection pipe is connected in the end of giving vent to anger of jetting pipeline, and the end of giving vent to anger of this jetting pipeline is located the top of bag cage and filter bag.

Further, be provided with the maintenance platform on the box, be provided with the cat ladder on the maintenance platform, the cat ladder is connected with the box.

The utility model has the advantages and positive effects that: the utility model has simple structure and convenient use, and can filter gravel with larger particles mixed in gas by utilizing the filter screen in the gas pretreatment device, thereby preventing the gravel from entering into the dust removal device, and further reducing the abrasion of the gravel to the filter bag and the inner wall of the box body; meanwhile, the heating assembly arranged in the gas pretreatment device can remove water vapor mixed in the gas, so that dust and the water vapor are prevented from being combined on the filter bag in the dust removal process, the dust is prevented from being hardened on the filter bag, and the dust removal efficiency of the device to the gas is ensured; the check valve is arranged at the air inlet end of the dust removal device, so that the gas entering the box body is prevented from reflowing to influence the dust removal effect; utilize the deashing subassembly, can concentrate the dust of separating out and carry out the device outside to adopt the humidifier of its exit end setting to carry out humidification processing to exhaust dust, secondary raise dust phenomenon appears when preventing to discharge dust, so have better practicality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic perspective view of the dust removing device;

FIG. 3 is a schematic view of the connection between the housing, the filter assembly and the blowing assembly;

FIG. 4 is a schematic view of the ash removal assembly;

FIG. 5 is a schematic cross-sectional view of an ash discharge assembly;

FIG. 6 is a block diagram of the electrical control relationship between the pulse solenoid valve, ash discharge motor, drive motor, heating assembly, humidifier and exhaust fan and controller.

In the figure: the device comprises an air inlet pipeline 1, a dust removal device 2, a box body 21, a filtering assembly 22, a mounting plate 221, a bag cage 222, a filtering bag 223, a blowing assembly 23, an air bag 231, a blowing pipeline 232, a pulse electromagnetic valve 233, an injection pipe 234, an exhaust pipeline 3, an exhaust fan 4, a gas pretreatment device 5, a tank body 51, a filtering net 52, a heating assembly 53, an ash discharging assembly 54, a shell 541, an ash discharging motor 542, a driving shaft 543, blades 544, a check valve 6, an ash cleaning assembly 7, an ash storage bin 71, a driving motor 72, a spiral conveying rod 73, an ash discharging pipeline 8, a humidifier 9, a sealing door 10, a lower air chamber 11, an upper air chamber 12, a flow guide partition plate 13, an overhaul platform 14 and a ladder stand 15.

Detailed Description

For a better understanding of the present invention, the following further description is given in conjunction with the following embodiments and accompanying drawings.

As shown in fig. 1 to 6, a dust removing device for a concrete mixing plant comprises an air inlet pipeline 1, a dust removing device 2 communicated with an air outlet end of the air inlet pipeline 1, an air outlet pipeline 3 communicated with an air outlet end of the dust removing device 2, and an exhaust fan 4 arranged at an air outlet end of the air outlet pipeline 3, wherein an air pre-treatment device 5 is arranged at the air inlet end of the air inlet pipeline 1, an anti-backflow component is arranged at the air inlet end of the dust removing device 2, an ash removing component 7 is arranged at the bottom of the dust removing device 2, air is pumped into the device by the exhaust fan 4, and dust in the air is removed by the dust removing device 2; by adopting the gas pretreatment device 5, larger gravel particles mixed in the gas can be filtered out, and the gravel is prevented from colliding with internal components of the dust removal device 2 when entering the dust removal device, so that the loss of the equipment is reduced; meanwhile, the gas pretreatment device 5 can also heat the gas, remove the water vapor mixed in the gas and avoid the phenomenon of dust hardening caused by the mixing of the water vapor and the dust; the backflow prevention assembly is arranged at the air inlet end of the dust removal device 2, so that the backflow phenomenon of the gas entering the dust removal device 2 can be prevented, and the dust removal efficiency of the device is influenced; meanwhile, the ash removal assembly 7 can discharge the separated dust to the outside of the device so as to collect the dust.

Further, the gas pretreatment device 5 comprises a tank 51, a filter screen 52, a heating assembly 53 and an ash discharging assembly 54, wherein the gas outlet end of the tank 51 is communicated with the gas inlet end of the gas inlet pipeline 1, the filter screen 52 is arranged inside the tank 51, the heating assembly 53 is arranged on the inner wall of the tank 51, the ash discharging assembly 54 is arranged at the bottom of the tank 51, the ash discharging assembly 54 comprises a shell 541, an ash discharging motor 542, a driving shaft 543 and a blade 544, the shell 541 is connected with the tank 51, the ash discharging motor 542 is arranged on the shell 541, the output end of the ash discharging motor is connected with the driving shaft 543, the blade 544 is abutted against the inner wall of the shell 541, the filter screen 52 arranged inside the tank 51 can filter the gas entering the interior and mix and filter sand in the gas, and the sand falls into the ash discharging assembly 54 filtered out of the bottom of the tank 51, the ash discharging motor 542 drives the driving shaft 543 to rotate, and the driving shaft 543 drives the blade 544 abutted against the inner wall of the housing 541 to rotate, so that the rotating blade 544 pulls out the gravel from the tank 51 to the outside of the tank 51; meanwhile, the heating component 53 in the tank body 51 can heat the gas entering the tank body 51, remove moisture in the gas and avoid the phenomenon of dust hardening caused by the combination of the moisture and dust in the device.

Further, the backflow prevention assembly is arranged to be the check valve 6, the check valve 6 is arranged at the air inlet end of the dust removal device 2, and the gas entering the interior of the dust removal device 2 is prevented from flowing back to the air inlet pipeline 1 through the check valve 6, so that the dust removal effect of the device is affected.

Further, the ash removal component 7 comprises an ash storage bin 71, a driving motor 72 and a spiral conveying rod 73, wherein the inlet end of the ash storage bin 71 is connected to the outlet end of the dust removal device 2, the driving motor 72 is connected to the ash storage bin 71, the output end of the driving motor 72 is connected with the input end of the spiral conveying rod 73, the spiral conveying rod 73 is matched and rotatably arranged inside the ash storage bin 71, the outlet end of the ash storage bin 71 is provided with an ash discharge pipeline 8, a humidifier 9 is arranged on the ash discharge pipeline 8, the outlet end of the ash discharge pipeline 8 is provided with a sealing door 10, the rotary driving motor 72 drives the spiral conveying rod 73 connected with the output end of the rotary driving motor to rotate, the spiral conveying rod 73 conveys the dust in the ash storage bin 71 to the ash discharge pipeline 8, and the humidifier 9 on the ash discharge pipeline 8 humidifies the dust inside the ash discharge pipeline, so as to prevent the secondary dust raising phenomenon; when the dust removing device 2 removes dust, the sealing door 10 arranged on the dust discharging pipeline 8 can be closed to prevent the gas in the device from leaking.

Furthermore, the dust removing device 2 comprises a box body 21, a filtering component 22 and a blowing component 23, wherein the air inlet end of the box body 21 is communicated with the air outlet end of the air inlet pipeline 1, the air outlet end of the box body is communicated with the air inlet end of the air outlet pipeline 3, the filtering component 22 and the blowing component 23 are both arranged in the box body 21, the air outlet end of the blowing component 23 is positioned above the filtering component 22, a lower air chamber 11 and an upper air chamber 12 are arranged in the box body 21, the lower air chamber 11 is communicated with the air outlet end of the air inlet pipeline 1, the upper air chamber 12 is communicated with the air inlet end of the air outlet pipeline 3, the lower air chamber 11 is separated from the upper air chamber 12 through a flow guide partition plate 13, the filtering component 22 is matched with and penetrates through the flow guide partition plate 13, air enters the lower air chamber 11 through the air inlet pipeline 1, the filtering component 22 comprises a mounting plate 221, a bag cage 222 and a filter bag 223, the mounting plate 221 is positioned above the upper air chamber 12, and the mounting plate 221 is connected with the inner wall of the box body 21, the bag cage 222 is arranged on the mounting plate 221, the filter bag 223 is sleeved on the bag cage 222, the filter bag 223 and the bag cage 222 are matched and penetrate through the flow guide partition plate 13, the blowing assembly 23 comprises an air bag 231, a blowing pipeline 232, a pulse electromagnetic valve 233 and an injection pipe 234, the air bag 231 is arranged on the box body 21, an air inlet end of the blowing pipeline 232 is connected to an air outlet end of the air bag 231, the pulse electromagnetic valve 233 is arranged on the blowing pipeline 232, an air inlet end of the injection pipe 234 is connected to an air outlet end of the blowing pipeline 232, an air outlet end of the injection pipe 234 is located above the bag cage 222 and the filter bag 223, the air exhauster 4 sucks gas into the air inlet pipeline 1, the gas enters the lower air chamber 11 in the box body 21 through the air inlet pipeline 1, dust in the gas is filtered by the filter bag 223 in the filter assembly 22, the dust in the gas is attached to the surface of the filter bag 223, and the filtered gas enters the upper air chamber 12 through the filter bag, and is discharged to the outside of the device through an upper air chamber 12 and an exhaust pipeline 3 in sequence under the action of an exhaust fan 4; when the dust attached to the filter bag 223 is large, the dust cleaning effect of the device can be affected, high-pressure gas in the gas bag 231 is introduced into the blowing pipeline 232 through the pulse electromagnetic valve 233 and then is sprayed out from the spraying pipeline 234 connected to the blowing pipeline 232, the high-pressure gas is sprayed into the filter bag 223 through the spraying pipeline 234, the dust attached to the outer portion of the filter bag 223 is blown off by the high-pressure gas, the blown-off dust falls into the dust cleaning component 7 at the bottom of the box 21, and then the dust is discharged out of the box 21 through the dust cleaning component 7.

Further, be provided with on the box 21 and overhaul platform 14, overhaul and be provided with cat ladder 15 on the platform 14, cat ladder 15 is connected with box 21, and through utilizing to overhaul platform 14 and cat ladder 15, conveniently overhauls and maintains dust collector 2.

In addition, the above-mentioned air inlet pipe 1 and tank 51, the air inlet pipe 1 and tank 21, the check valve 6 and tank 21, the mounting plate 221 and bag cage 222, the air bag 231 and tank 21, the exhaust pipe 3 and tank 21, the exhaust fan 4 and the exhaust pipe 3, the filter screen 52 and tank 51, the heating unit 53 and tank 51, the housing 541 and tank 51, the dust discharging motor 542 and housing 541, the driving motor 72 and dust storage 71, the humidifier 9 and dust discharging pipe 8 can be connected by bolts, the blowing pipe 232 and air bag 231, the spraying pipe 234 and spraying pipe 234, the flow guiding clapboard 13 and tank 21, the blade 544 and driving shaft 543, and the dust storage 71 and dust discharging pipe 8 can be connected by welding, and the dust discharging motor 542 and driving shaft 543 can be connected by welding, The driving motor 72 and the spiral conveying rod 73 can be connected by a shaft sleeve; wherein the heating component 53 can adopt a heating plate, and the check valve 6 can adopt a flue check valve 6; the specific structures and the working principles of the air bag 231, the filter bag 223, the bag cage 222, the check valve 6, the pulse electromagnetic valve 233, the ash discharging motor 542, the driving motor 72, the heating assembly 53, the humidifier 9 and the exhaust fan 4 in the above are all in the prior art in the technical field, and the air bag is not improved in the application; and pulse solenoid valve 233, unload grey motor 542, driving motor 72, heating element 53, humidifier 9 and the electrical connection principle, electrical connection mode and the electrical control relation between air exhauster 4 and the controller all belong to this technical field prior art, and this application does not improve it, and the event is no longer repeated.

The utility model has simple structure and convenient use, and can filter gravel with larger particles mixed in the gas by utilizing the filter screen 52 in the gas pretreatment device 5, thereby preventing the gravel from entering the dust removal device 2 and further reducing the abrasion of the gravel to the filter bag 223 and the inner wall of the box body 21; meanwhile, the heating component 53 arranged in the gas pretreatment device 5 can remove the water vapor mixed in the gas, so that the dust and the water vapor are prevented from being combined on the filter bag 223 in the dust removal process, the dust is prevented from being hardened on the filter bag 223, and the dust removal efficiency of the device on the gas is ensured; the check valve 6 is arranged at the air inlet end of the dust removal device 2, so that the gas entering the box body 21 is prevented from flowing back to influence the dust removal effect; utilize deashing subassembly 7, can concentrate the dust of separating out and carry out the device outside to adopt humidifier 9 of its exit end setting to carry out humidification treatment to the exhaust dust, secondary raise dust phenomenon appears when preventing the exhaust dust, so has better practicality, the utility model discloses a concrete working process as follows:

the dust removal device for the concrete mixing plant is started, gas is pumped into the tank body 51 of the gas pretreatment device 5 through the exhaust fan 4, gravel mixed in the gas is filtered by the filter screen 52 in the tank body 51, the filtered gravel falls to the bottom of the tank body 51 and enters the shell 541 of the ash discharge assembly 54 connected with the bottom of the tank body 51, the ash discharge motor 542 is controlled to rotate, and the rotating ash discharge motor 542 drives the blades 544 to rotate through the driving shaft 543, so that the blades 544 pull out the gravel in the tank body 51 to the outside of the tank body 51; meanwhile, the heating component 53 in the tank 51 heats the gas in the tank to remove moisture in the gas, the exhaust fan 4 pumps the heated gas into the lower air chamber 11 in the dust removing device 2 through the air inlet pipeline 1, the gas is filtered through the filtering component 22 in the tank 21, the filtering bag 223 in the filtering component 22 separates the gas from dust in the gas and makes the dust adhere to the outer surface of the filtering bag 223, the gas enters the upper air chamber 12 through the filtering bag 223, and the gas after dust removal is pumped out of the device through the exhaust pipeline 3 under the action of the exhaust fan 4;

when the attached dust on the surface of the filter bag 223 is more, the dust removal effect of the dust removal device 2 can be affected, so that the dust on the surface of the filter bag 223 needs to be removed, the pulse electromagnetic valve 233 is opened, high-pressure gas in the gas bag 231 is introduced into the blowing pipeline 232 through the pulse electromagnetic valve 233, and the high-pressure gas is sprayed into the filter bag 223 through the spraying pipe 234 connected to the blowing pipeline 232, the attached dust on the filter bag 223 is blown off by the high-pressure gas, the blown-off dust falls into the dust storage bin 71 in the dust removal component 7 connected to the bottom of the box body 21, the driving motor 72 on the dust storage bin 71 drives the spiral conveying rod 73 to rotate, the dust is conveyed out of the device, the humidifier 9 on the dust outlet pipeline is used for humidifying the dust, the secondary dust raising phenomenon is prevented, and the dust removal process is completed.

The embodiments of the present invention have been described in detail, but the present invention is only the preferred embodiments of the present invention, and the present invention is not to be considered as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims (10)

1. The utility model provides a dust collector for concrete mixing plant, includes inlet line (1), communicates in inlet line (1) dust collector (2) of giving vent to anger the end, communicates in exhaust duct (3) of dust collector (2) the end of giving vent to anger and sets up in exhaust duct (3) air exhauster (4) of giving vent to anger the end, its characterized in that: the air inlet end of the air inlet pipeline (1) is provided with a gas pretreatment device (5), the air inlet end of the dust removal device (2) is provided with an anti-backflow assembly, and the bottom of the dust removal device (2) is provided with an ash removal assembly (7).

2. The dust removing device for the concrete mixing plant according to claim 1, wherein: gaseous preprocessing device (5) are including jar body (51), filter screen (52), heating element (53) and unload grey subassembly (54), the end of giving vent to anger of jar body (51) is linked together with the inlet end of admission line (1), filter screen (52) set up in the inside of jar body (51), heating element (53) set up on the inner wall of jar body (51), it sets up in the bottom of jar body (51) to unload grey subassembly (54).

3. The dust removing device for the concrete mixing plant according to claim 2, wherein: the ash discharging assembly (54) comprises a shell (541), an ash discharging motor (542), a driving shaft (543) and a blade (544), wherein the shell (541) is connected with the tank body (51), the ash discharging motor (542) is arranged on the shell (541), the output end of the ash discharging motor is connected with the driving shaft (543), the blade (544) is connected to the driving shaft (543), and the blade (544) abuts against the inner wall of the shell (541).

4. The dust removing device for the concrete mixing plant according to claim 1, wherein: the backflow prevention assembly is arranged as a check valve (6), and the check valve (6) is arranged at the air inlet end of the dust removal device (2).

5. The dust removing device for the concrete mixing plant according to claim 1, wherein: deashing subassembly (7) are including storing up grey storehouse (71), driving motor (72) and auger delivery pole (73), the exit end in dust collector (2) is connected to the entrance point in storage grey storehouse (71), driving motor (72) are connected on storage grey storehouse (71), and its output is connected with the input of auger delivery pole (73), auger delivery pole (73) cooperate to rotate and set up inside storage grey storehouse (71).

6. The dust removing device for the concrete mixing plant according to claim 5, wherein: the ash storage bin is characterized in that an ash discharge pipeline (8) is arranged at the outlet end of the ash storage bin (71), a humidifier (9) is arranged on the ash discharge pipeline (8), and a sealing door (10) is arranged at the outlet end of the ash discharge pipeline (8).

7. The dust removing device for the concrete mixing plant according to claim 1, wherein: dust collector (2) include box (21), filtering component (22) and jetting subassembly (23), the inlet end of box (21) and the end intercommunication of giving vent to anger of admission line (1), its end of giving vent to anger communicates with the inlet end of exhaust duct (3), filtering component (22) and jetting subassembly (23) all set up in box (21) inside, just the end of giving vent to anger of jetting subassembly (23) is located the top of filtering component (22).

8. The dust removing device for the concrete mixing plant according to claim 7, wherein: the air-conditioning filter is characterized in that a lower air chamber (11) and an upper air chamber (12) are arranged in the box body (21), the lower air chamber (11) is communicated with the air outlet end of the air inlet pipeline (1), the upper air chamber (12) is communicated with the air inlet end of the air outlet pipeline (3), the lower air chamber (11) is separated from the upper air chamber (12) through a flow guide partition plate (13), and the filter assembly (22) is matched and penetrates through the flow guide partition plate (13).

9. The dust removing device for the concrete mixing plant according to claim 8, wherein: filter component (22) include mounting panel (221), bag cage (222) and cross filter bag (223), mounting panel (221) are located the top of plenum (12), and this mounting panel (221) is connected with box (21) inner wall, bag cage (222) set up on mounting panel (221), cross filter bag (223) cover and locate bag cage (222) on, just cross filter bag (223) and bag cage (222) homogeneous phase cooperation and pass water conservancy diversion baffle (13).

10. The dust removing device for the concrete mixing plant according to claim 9, wherein: jetting subassembly (23) include gas bag (231), jetting pipeline (232), pulse solenoid valve (233) and injection pipe (234), gas bag (231) set up on box (21), the inlet end of jetting pipeline (232) is connected in the end of giving vent to anger of gas bag (231), pulse solenoid valve (233) set up on jetting pipeline (232), the inlet end of injection pipe (234) is connected in the end of giving vent to anger of jetting pipeline (232), and the end of giving vent to anger of this injection pipe (234) line is located the top of bag cage (222) and filter bag (223).

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