CN113041722A - Dust removal equipment and dust removal method for concrete production - Google Patents
Dust removal equipment and dust removal method for concrete production Download PDFInfo
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- CN113041722A CN113041722A CN202110269815.XA CN202110269815A CN113041722A CN 113041722 A CN113041722 A CN 113041722A CN 202110269815 A CN202110269815 A CN 202110269815A CN 113041722 A CN113041722 A CN 113041722A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/69—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side without movement with respect to the filter elements, e.g. fixed nozzles
Abstract
The invention discloses dust removal equipment for concrete production and a dust removal method, wherein an annular ring is connected in an annular slide rail in a sliding manner, a first steel pipe is fixedly penetrated through the bottom of the annular ring, a second steel pipe is fixedly communicated with the bottom of the first steel pipe, cylinder barrels are fixed at two ends of the second steel pipe, an insertion pipe is inserted in the cylinder barrels in a seamless manner, a support is fixed at one end, away from the cylinder barrel, of the insertion pipe, a brush plate is connected to one side of the support, a spray pipe communicated with the insertion pipe is fixed in the support, a second motor is fixed at the top of a conical filter screen, and a control rod fixedly connected with the outer side of the first steel pipe is fixed on an output shaft; the air after the conical filter screen is filtered through the annular filter screen is filtered out again to form small-particle dust, the air freshness can be improved, dust in air in a concrete production workshop can be cleared away, the cleanliness of the annular filter screen can be kept through the sweeping brush of the brush, and therefore the service time of the equipment is prolonged, and the filter screen does not need to be frequently replaced.
Description
Technical Field
The invention relates to the technical field of dust removal equipment, in particular to dust removal equipment and a dust removal method for concrete production.
Background
Concrete, also called concrete, is one of the most important civil engineering materials in the present generation. It is made up by using cementing material, aggregate and water according to a certain proportion through the processes of mixing, vibrating, forming and curing under a certain condition. The concrete has the characteristics of rich raw materials, low price and simple production process, so that the consumption of the concrete is increased; meanwhile, the concrete also has high compressive strength, good durability and wide strength grade range, so that the application range of the concrete is very wide, the concrete is not only used in various civil engineering, but also is an important material in shipbuilding industry, mechanical industry, ocean development, geothermal engineering and the like. In the concrete production process, air in a production workshop is easy to exceed the standard, and certain harm is caused to workers, so that the dust removal equipment and the dust removal method for concrete production are provided.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects of the prior art, adapt to practical requirements, and provide dust removal equipment and a dust removal method for concrete production so as to solve the problems in the background art.
(2) Technical scheme
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
a dust removal device for concrete production comprises a filtering mechanism, a water tank and a buffer tank;
the filtering mechanism comprises a box body, the top of the box body is provided with a cylindrical cavity and an annular cavity, the cylindrical cavity is positioned in the middle of the annular cavity, an annular filter screen is arranged in the annular cavity, the top of the box body is fixed with a barrel body, the top of the barrel body is connected with a tank body, a conical filter screen is arranged in the tank body, an annular groove is arranged in the tank body around the lower part of the conical filter screen, the outer side of the tank body is provided with a discharge pipe communicated with the annular groove, the bottom of the tank body is positioned below the conical filter screen and communicated with an air pipe, the bottom of the air pipe is communicated with the cylindrical cavity, the top of the tank body is fixed with a support column, the top of the support column is fixed with a top plate, the bottom of the top plate is fixed with an annular slide rail, an annular, the bottom of the first steel pipe is fixedly communicated with a second steel pipe, two ends of the second steel pipe are respectively fixed with a cylinder barrel, an insertion pipe is inserted into the cylinder barrel in a seamless mode, one end, far away from the cylinder barrel, of the insertion pipe is fixed with a support, one side of the support is connected with a brush plate, a spray pipe communicated with the insertion pipe is fixed in the support, the top of the conical filter screen is fixed with a second motor, and an output shaft of the second motor is fixed with a control rod fixedly connected with the outer side of the first steel pipe;
one side of the water tank is communicated with the annular cavity and the bottom of the cylindrical cavity through a first water discharge pipe and a second water discharge pipe respectively, a water pump is fixed at the top of the water tank, the water inlet end of the water pump is communicated with the bottom of the water tank through a pipeline, the water outlet end of the water pump is communicated with a water injection pipe through a pipeline, and the water injection pipe is communicated with the top of the annular slide rail;
and an air suction pump is arranged on one side of the buffer tank, the air inlet end of the air suction pump is communicated with one side of the top of the buffer tank through a pipeline, and the top of the buffer tank is communicated with an air suction pipe.
Furthermore, an annular sliding groove is formed in the groove body and located above the annular groove, a scraping plate is connected in the annular sliding groove in a sliding mode, and the outer side of the scraping plate is connected to the inner side of the annular groove in a seamless mode.
Furthermore, a pipe cavity communicated with the first steel pipe is arranged in the second steel pipe, and the pipe cavity is communicated with the top end of the cylinder barrel through a pipeline.
Furthermore, the outer side of the spray pipe is provided with spray holes, and the spray holes are uniformly distributed on the outer side of the spray pipe.
Further, the outside both sides of second steel pipe all are connected with the spring, the one end that the second steel pipe was kept away from to the spring is connected in the outside of support.
Further, a first motor is fixed at the bottom of the box body, an output shaft of the first motor is inserted into the cylindrical cavity and fixedly connected with an L-shaped rod, and a brush is arranged on the outer side of the L-shaped rod.
Furthermore, a sludge filter screen which separates the water tank into two chambers is arranged in the water tank.
Further, the bottom intercommunication of one side cavity that the water tank is close to the second drain pipe has the blow off pipe, the upper and lower both sides of one side cavity that the second drain pipe was kept away from to the water tank are equipped with filler pipe and drain pipe respectively, the mouth of pipe department of blow off pipe, filler pipe and drain pipe all is equipped with sealed lid.
Furthermore, an elastic sheet is fixed on one side of the bottom of the support, one end, far away from the support, of the elastic sheet is fixedly connected with one side of the scraper, a cover plate is integrally formed on the outer side of the bottom of the air pipe, and the cover plate is connected to the top of the cylindrical cavity in a sealing mode.
In addition, the invention also provides a dust removal method of the dust removal equipment for concrete production, which comprises the following steps:
s1, placing the filtering mechanism in a concrete production workshop at intervals of 5-16 m for layout, and injecting clear water with two thirds of water level into a transparent water tank through the water adding pipe;
s2, pumping gas in the buffer tank through the air pump, pumping gas in the annular cavity body through the air pumping pipe by the buffer tank, so that air in the production workshop is filtered by the conical filter screen and then is sucked into the cylindrical cavity body to be filtered by the annular filter screen again, and sucking the air in the cylindrical cavity body into the air pump through the annular cavity body, the air pumping pipe and the buffer tank in sequence and discharging the air outwards, so that dust is filtered from the air in the production workshop;
s3, starting the first motor, the water pump and the second motor every 10-120 minutes, driving the L-shaped rod to rotate by the first motor, sweeping the inner side of the annular filter screen by a brush arranged on the outer side of the L-shaped rod to improve the cleanliness of the annular filter screen, driving the control rod to drive the first steel pipe to rotate around the annular slide rail by the second motor, so that the outer side of the conical filter screen is swept by the brush plate to improve the cleanliness of the conical filter screen, pumping out clean water in the water tank by the water pump, sequentially inputting the clean water into the water injection pipe, the first steel pipe, the pipe cavity, the cylinder barrel, the insertion pipe and the spray pipe, spraying the clean water to the surface of the conical filter screen from the spray holes, and matching with the brushing of the brush plate, the cleaning;
s4, after the scrubbed sewage flows into the annular groove, the scraper scrapes the sewage into the discharge pipe to be discharged outwards, the sewage flowing into the cylindrical cavity through the conical filter screen flows into the water tank through the second discharge pipe and is filtered through the sludge filter screen, and the sludge filtered through the sludge filter screen is discharged outwards through the discharge pipe, so that the blockage of the sludge filter screen can be prevented.
(3) Has the advantages that:
1. according to the invention, the sucked air is filtered through the conical filter screen, the dust with larger particles can be preliminarily filtered, and the brush plate is driven by the second motor to brush the surface of the conical filter screen, so that the cleanliness of the conical filter screen can be improved.
2. According to the invention, water pumped by the water pump is sprayed and washed to the conical filter screen through the spray holes, so that the conical filter screen keeps a better cleaning effect.
3. According to the invention, the air filtered by the conical filter screen is filtered again to obtain the small-particle dust through the annular filter screen, so that the air freshness can be improved, the dust in the air in a concrete production workshop can be removed, the cleanliness of the annular filter screen can be kept through the sweeping brush of the brush, the service time of the equipment is prolonged, and the filter screen does not need to be frequently replaced.
Drawings
FIG. 1 is a schematic structural diagram of a dust removing apparatus and a dust removing method for concrete production according to the present invention;
FIG. 2 is a schematic structural view of a dust removing apparatus and a dust removing method for concrete production according to the present invention;
FIG. 3 is a schematic view of a tank structure of a dust removing apparatus and a dust removing method for concrete production according to the present invention;
FIG. 4 is a schematic structural diagram of a bracket of the dust removing apparatus and the dust removing method for concrete production according to the present invention;
FIG. 5 is a schematic structural diagram of a water tank of the dust removing apparatus and the dust removing method for concrete production according to the present invention;
FIG. 6 is a schematic structural diagram of a box body of the dust removing device and the dust removing method for concrete production according to the present invention.
The reference numbers are as follows:
1. a filtering mechanism; 2. a water tank; 3. a buffer tank; 4. a box body; 5. a cylindrical cavity; 6. an annular cavity; 7. an annular filter screen; 8. a first motor; 9. an L-shaped rod; 10. a brush; 11. a first drain pipe; 12. a second drain pipe; 13. an air exhaust pipe; 14. a barrel; 15. a trough body; 16. a conical filter screen; 17. a support pillar; 18. a top plate; 19. an annular slide rail; 20. an annular ring; 21. a water injection pipe; 22. a first steel pipe; 23. a second steel pipe; 24. a lumen; 25. a cylinder barrel; 26. inserting a tube; 27. a support; 28. brushing the board; 29. a spring; 30. a nozzle; 31. spraying a hole; 32. a spring plate; 33. a squeegee; 34. an annular groove; 35. a discharge pipe; 36. an annular chute; 37. an air tube; 38. an air pump; 39. a sludge filter screen; 40. a water pump; 41. a blow-off pipe; 42. a cover plate; 43. a water feeding pipe; 44. a drain pipe; 45. a second motor; 46. a control lever.
Detailed Description
The invention will be further illustrated with reference to the following figures 1-6 and examples:
the first embodiment is as follows:
a dust removal device for concrete production comprises a filtering mechanism 1, a water tank 2 and a buffer tank 3;
the filtering mechanism 1 comprises a box body 4, a cylindrical cavity 5 and an annular cavity 6 are arranged at the top of the box body 4, the cylindrical cavity 5 is positioned in the middle of the annular cavity 6, an annular filter screen 7 is arranged in the annular cavity 6, a barrel body 14 is fixed at the top of the box body 4, the top of the barrel body 14 is connected with a tank body 15, a conical filter screen 16 is arranged in the tank body 15, an annular groove 34 is arranged in the tank body 15 around the lower part of the conical filter screen 16, a discharge pipe 35 communicated with the annular groove 34 is arranged at the outer side of the tank body 15, an air pipe 37 is communicated with the bottom of the conical filter screen 16, the bottom of the air pipe 37 is communicated with the cylindrical cavity 5, a supporting column 17 is fixed at the top of the tank body 15, a top plate 18 is fixed at the top of the supporting column 17, and an annular sliding, an annular ring 20 is connected in the annular slide rail 19 in a sliding manner, a first steel pipe 22 penetrates through the bottom of the annular ring 20, a second steel pipe 23 is fixedly communicated with the bottom of the first steel pipe 22, cylinder barrels 25 are fixed at two ends of each second steel pipe 23, an insertion pipe 26 is inserted into each cylinder barrel 25 in a seamless manner, a support 27 is fixed at one end, away from the cylinder barrel 25, of each insertion pipe 26, a brush plate 28 is connected to one side of each support 27, a spray pipe 30 communicated with the insertion pipe 26 is fixed in each support 27, a second motor 45 is fixed at the top of each conical filter screen 16, and a control rod 46 fixedly connected with the outer side of the first steel pipe 22 is fixed to an output shaft of each second motor 45;
one side of the water tank 2 is respectively communicated with the bottom of the annular cavity 6 and the bottom of the cylindrical cavity 5 through a first water discharge pipe 11 and a second water discharge pipe 12, a water pump 40 is fixed at the top of the water tank 2, the water inlet end of the water pump 40 is communicated with the bottom of the water tank 2 through a pipeline, the water outlet end of the water pump 40 is communicated with a water injection pipe 21 through a pipeline, and the water injection pipe 21 is communicated with the top of the annular slide rail 19;
an air suction pump 38 is arranged on one side of the buffer tank 3, an air inlet end of the air suction pump 38 is communicated with one side of the top of the buffer tank 3 through a pipeline, and the top of the buffer tank 3 is communicated with an air suction pipe 13.
In this embodiment, an annular chute 36 is formed in the groove body 15 above the annular groove 34, a scraper 33 is slidably connected in the annular chute 36, and the outer side of the scraper 33 is connected to the inner side of the annular groove 34 in a seamless manner; for scraping off the sewage in the annular groove 34.
In this embodiment, a tube cavity 24 communicated with the first steel tube 22 is arranged in the second steel tube 23, and the tube cavity 24 is communicated with the top end of the cylinder 25 through a pipeline; for injecting water into the cylinder 25.
In this embodiment, the outer side of the nozzle 30 is provided with nozzle holes 31, and the nozzle holes 31 are uniformly distributed on the outer side of the nozzle 30; the spray holes 31 are used to spray water to the outside of the conical screen 16.
In this embodiment, two sides of the exterior of the second steel tube 23 are both connected with springs 29, and one end of each spring 29, which is far away from the second steel tube 23, is connected to the outside of the bracket 27; the spring 29 is used to push the brush plate 28 against the conical screen 16.
In this embodiment, a first motor 8 is fixed at the bottom of the box 4, an output shaft of the first motor 8 is inserted into the cylindrical cavity 5 and is fixedly connected with an L-shaped rod 9, and a brush 10 is arranged on the outer side of the L-shaped rod 9; the first motor 8 is used for driving the brush 10 to clean the outer side of the annular filter screen 7.
In this embodiment, a sludge filter screen 39 for separating the water tank 2 into two chambers is arranged in the water tank 2; used for filtering the sludge.
In this embodiment, the bottom of the cavity on one side of the water tank 2 close to the second drain pipe 12 is communicated with a drain pipe 41, the upper side and the lower side of the cavity on one side of the water tank 2 far away from the second drain pipe 12 are respectively provided with a water adding pipe 43 and a drain pipe 44, and the pipe openings of the drain pipe 41, the water adding pipe 43 and the drain pipe 44 are respectively provided with a sealing cover; the drain pipe 41 is used for draining, and the water feed pipe 43 and the drain pipe 44 are used for feeding and draining water, respectively.
In this embodiment, an elastic sheet 32 is fixed on one side of the bottom of the bracket 27, one end of the elastic sheet 32, which is far away from the bracket 27, is fixedly connected with one side of the scraper 33, a cover plate 42 is integrally formed on the outer side of the bottom of the air pipe 37, and the cover plate 42 is hermetically connected to the top of the cylindrical cavity 5; for the bracket 27 to scrape off the sewage by the striking flake 32 carrying the scraping flake 33 around the annular groove 34.
The working principle is as follows: the filtering mechanisms 1 are placed in a concrete production workshop at intervals of 5-16 meters for layout, and clear water with two thirds of water level is injected into the transparent water tank 2 through the water adding pipe 43; the air in the buffer tank 3 is pumped out by the air pump 38, the buffer tank 3 pumps the air in the annular cavity 6 through the air pumping pipe 13, so that the air in the production workshop is filtered by the conical filter screen 16 and then sucked into the cylindrical cavity 5 to be filtered by the annular filter screen 7 again, the air in the cylindrical cavity 5 is sucked into the air pumping pump 38 through the annular cavity 6, the air pumping pipe 13 and the buffer tank 3 in sequence and is discharged outwards, so that the air in the production workshop is filtered to form dust, the first motor 8, the water pump 40 and the second motor 45 are started every 10 minutes, the first motor 8 drives the L-shaped rod 9 to rotate, the brush 10 arranged on the outer side of the L-shaped rod 9 brushes the inner side of the annular filter screen 7, the cleanliness of the annular filter screen 7 is improved, the control rod 46 is driven by the second motor 45 to drive the first steel pipe 22 to rotate around the annular slide rail 19, so that the brush plate 28 brushes the outer side of the conical filter screen 16, the cleanliness of the conical filter screen 16 is improved, the water pump 40 pumps out the clean water in the water tank 2, the clean water is sequentially input into the water injection pipe 21, the first steel pipe 22, the pipe cavity 24, the cylinder 25, the insertion pipe 26 and the spray pipe 30 and then is sprayed out from the spray holes 31 to the surface of the conical filter screen 16, and the cleaning effect of the conical filter screen 16 can be improved by matching with the brushing of the brush plate 28; after the brushed sewage flows into the annular groove 34, the scraper 33 scrapes the sewage into the discharge pipe 35 to be discharged outwards, the sewage flowing into the cylindrical cavity 5 through the conical filter screen 16 flows into the water tank 2 through the second drain pipe 12 and is filtered through the sludge filter screen 39, and the sludge filtered through the sludge filter screen 39 is discharged outwards through the discharge pipe 41, so that the blockage of the sludge filter screen 39 can be prevented. The brush plate 28 is pushed by the thrust of the spring 29 to cling to the conical filter screen 16, so that the brushing effect is improved. The residual sewage in the annular cavity 6 can flow back to the water tank 2 through the first drainage pipe 11, and the clean water filtered by the sludge filter screen 39 can be pumped out by the water pump 40 again for use.
In addition, the invention also provides a dust removal method of the dust removal equipment for concrete production, which comprises the following steps:
s1, placing the filtering mechanisms 1 in a concrete production workshop at intervals of every 5 meters for layout, and injecting clear water with two thirds of water level into the transparent water tank 2 through the water adding pipe 43;
s2, pumping the gas in the buffer tank 3 through the air pump 38, pumping the gas in the annular cavity 6 out of the buffer tank 3 through the air pumping pipe 13, so that the air in the production workshop is filtered by the conical filter screen 16 and then is sucked into the cylindrical cavity 5 to be filtered by the annular filter screen 7 again, and the air in the cylindrical cavity 5 is sucked into the air pump 38 through the annular cavity 6, the air pumping pipe 13 and the buffer tank 3 in sequence and is discharged outwards, so that the air in the production workshop is filtered to form dust;
s3, starting the first motor 8, the water pump 40 and the second motor 45 every 10 minutes, driving the L-shaped rod 9 to rotate by the first motor 8, sweeping the inner side of the annular filter screen 7 by the brush 10 arranged on the outer side of the L-shaped rod 9 to improve the cleanliness of the annular filter screen 7, driving the control rod 46 to rotate by the second motor 45, driving the first steel pipe 22 to rotate around the annular slide rail 19, enabling the brush plate 28 to sweep the outer side of the conical filter screen 16 to improve the cleanliness of the conical filter screen 16, pumping out clean water in the water tank 2 by the water pump 40, sequentially inputting the clean water into the water injection pipe 21, the first steel pipe 22, the pipe cavity 24, the cylinder 25, the insertion pipe 26 and the spray pipe 30, and spraying out the water from the spray hole 31 to the surface of the conical filter screen 16, so that the cleaning effect of the conical filter screen 16 can be improved;
s4, after the scrubbed sewage flows into the annular groove 34, the scraper 33 scrapes the sewage into the discharge pipe 35 to be discharged outwards, the sewage flowing into the cylindrical cavity 5 through the conical filter screen 16 flows into the water tank 2 through the second discharge pipe 12 and is filtered by the sludge filter screen 39, and the sludge filtered by the sludge filter screen 39 is discharged outwards through the discharge pipe 41, so that the blockage of the sludge filter screen 39 can be prevented.
Example two:
a dust removal method of dust removal equipment for concrete production comprises the following steps:
s1, placing the filter mechanisms 1 in a concrete production workshop at intervals of 16 meters for layout, and injecting clear water with two thirds of water level into the transparent water tank 2 through the water adding pipe 43;
s2, pumping the gas in the buffer tank 3 through the air pump 38, pumping the gas in the annular cavity 6 out of the buffer tank 3 through the air pumping pipe 13, so that the air in the production workshop is filtered by the conical filter screen 16 and then is sucked into the cylindrical cavity 5 to be filtered by the annular filter screen 7 again, and the air in the cylindrical cavity 5 is sucked into the air pump 38 through the annular cavity 6, the air pumping pipe 13 and the buffer tank 3 in sequence and is discharged outwards, so that the air in the production workshop is filtered to form dust;
s3, starting the first motor 8, the water pump 40 and the second motor 45 at intervals of 120 minutes, driving the L-shaped rod 9 to rotate by the first motor 8, sweeping the inner side of the annular filter screen 7 by the brush 10 arranged on the outer side of the L-shaped rod 9 to improve the cleanliness of the annular filter screen 7, driving the control rod 46 to rotate by the second motor 45, driving the first steel pipe 22 to rotate around the annular slide rail 19, enabling the brush plate 28 to sweep the outer side of the conical filter screen 16 to improve the cleanliness of the conical filter screen 16, pumping out clean water in the water tank 2 by the water pump 40, sequentially inputting the clean water into the water injection pipe 21, the first steel pipe 22, the pipe cavity 24, the cylinder 25, the insertion pipe 26 and the spray pipe 30, and spraying out the clean water from the spray holes 31 to the surface of the conical filter screen 16, wherein the cleaning effect of the conical filter screen 16 can;
s4, after the scrubbed sewage flows into the annular groove 34, the scraper 33 scrapes the sewage into the discharge pipe 35 to be discharged outwards, the sewage flowing into the cylindrical cavity 5 through the conical filter screen 16 flows into the water tank 2 through the second discharge pipe 12 and is filtered by the sludge filter screen 39, and the sludge filtered by the sludge filter screen 39 is discharged outwards through the discharge pipe 41, so that the blockage of the sludge filter screen 39 can be prevented.
Example three:
a dust removal method of dust removal equipment for concrete production comprises the following steps:
s1, placing the filtering mechanisms 1 in a concrete production workshop at intervals of 7 meters for layout, and injecting clear water with two thirds of water level into the transparent water tank 2 through the water adding pipe 43;
s2, pumping the gas in the buffer tank 3 through the air pump 38, pumping the gas in the annular cavity 6 out of the buffer tank 3 through the air pumping pipe 13, so that the air in the production workshop is filtered by the conical filter screen 16 and then is sucked into the cylindrical cavity 5 to be filtered by the annular filter screen 7 again, and the air in the cylindrical cavity 5 is sucked into the air pump 38 through the annular cavity 6, the air pumping pipe 13 and the buffer tank 3 in sequence and is discharged outwards, so that the air in the production workshop is filtered to form dust;
s3, starting the first motor 8, the water pump 40 and the second motor 45 every 17 minutes, driving the L-shaped rod 9 to rotate by the first motor 8, sweeping the inner side of the annular filter screen 7 by the brush 10 arranged on the outer side of the L-shaped rod 9 to improve the cleanliness of the annular filter screen 7, driving the control rod 46 to rotate by the second motor 45, driving the first steel pipe 22 to rotate around the annular slide rail 19, enabling the brush plate 28 to sweep the outer side of the conical filter screen 16 to improve the cleanliness of the conical filter screen 16, pumping out clean water in the water tank 2 by the water pump 40, sequentially inputting the clean water into the water injection pipe 21, the first steel pipe 22, the pipe cavity 24, the cylinder 25, the insertion pipe 26 and the spray pipe 30, and spraying out the water from the spray hole 31 to the surface of the conical filter screen 16, so that the cleaning effect of the conical filter screen 16 can be improved;
s4, after the scrubbed sewage flows into the annular groove 34, the scraper 33 scrapes the sewage into the discharge pipe 35 to be discharged outwards, the sewage flowing into the cylindrical cavity 5 through the conical filter screen 16 flows into the water tank 2 through the second discharge pipe 12 and is filtered by the sludge filter screen 39, and the sludge filtered by the sludge filter screen 39 is discharged outwards through the discharge pipe 41, so that the blockage of the sludge filter screen 39 can be prevented.
The invention has the beneficial effects that:
in the invention, the sucked air is filtered by the conical filter screen 16, dust with larger particles can be preliminarily filtered, and the brush plate 28 is driven by the second motor 45 to brush the surface of the conical filter screen 16, so that the cleanliness of the conical filter screen 16 can be improved.
In the invention, water pumped by the water pump 40 is sprayed and washed to the conical filter screen 16 through the spray holes 31, so that the conical filter screen 16 keeps a better cleaning effect.
In the invention, the air filtered by the conical filter screen 16 is filtered again by the annular filter screen 7 to obtain small-particle dust, so that the air freshness can be improved, the dust in the air in a concrete production workshop can be removed, the cleanliness of the annular filter screen 7 can be kept by the sweeping of the brush 10, the service time of the equipment is prolonged, and the filter screen does not need to be frequently replaced.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (10)
1. The dust removal equipment for concrete production is characterized by comprising a filtering mechanism (1), a water tank (2) and a buffer tank (3);
the filtering mechanism (1) comprises a box body (4), a cylindrical cavity (5) and an annular cavity (6) are arranged at the top of the box body (4), the cylindrical cavity (5) is positioned in the middle of the annular cavity (6), an annular filter screen (7) is arranged in the annular cavity (6), a barrel body (14) is fixed at the top of the box body (4), the top of the barrel body (14) is connected with a groove body (15), a conical filter screen (16) is arranged in the groove body (15), an annular groove (34) is arranged in the groove body (15) and surrounds the lower part of the conical filter screen (16), a material discharging pipe (35) communicated with the annular groove (34) is arranged on the outer side of the groove body (15), an air pipe (37) is communicated with the lower part of the conical filter screen (16) at the bottom of the groove body (15), and the bottom of the air pipe (37) is communicated, the top of the tank body (15) is fixed with a support column (17), the top of the support column (17) is fixed with a top plate (18), the bottom of the top plate (18) is fixed with an annular slide rail (19), an annular ring (20) is connected in the annular slide rail (19) in a sliding manner, a first steel pipe (22) is fixedly penetrated through the bottom of the annular ring (20), the bottom of the first steel pipe (22) is fixedly communicated with a second steel pipe (23), two ends of the second steel pipe (23) are both fixed with a cylinder barrel (25), an insertion pipe (26) is inserted into the cylinder barrel (25) in a seamless manner, one end, far away from the cylinder barrel (25), of the insertion pipe (26) is fixed with a support (27), one side of the support (27) is connected with a brush plate (28), a spray pipe (30) communicated with the insertion pipe (26) is fixed in the support (27), and the top of the conical filter screen (16) is, a control rod (46) fixedly connected with the outer side of the first steel pipe (22) is fixed on an output shaft of the second motor (45);
one side of the water tank (2) is communicated with the annular cavity (6) and the bottom of the cylindrical cavity (5) through a first water discharge pipe (11) and a second water discharge pipe (12) respectively, a water pump (40) is fixed at the top of the water tank (2), the water inlet end of the water pump (40) is communicated with the bottom of the water tank (2) through a pipeline, the water outlet end of the water pump (40) is communicated with a water injection pipe (21) through a pipeline, and the water injection pipe (21) is communicated with the top of the annular slide rail (19);
one side of the buffer tank (3) is provided with an air pump (38), the air inlet end of the air pump (38) is communicated with one side of the top of the buffer tank (3) through a pipeline, and the top of the buffer tank (3) is communicated with an air pumping pipe (13).
2. The dust removing apparatus for concrete production according to claim 1, wherein: annular chute (36) have been seted up to the top that lies in ring channel (34) in cell body (15), sliding connection has scraper blade (33) in annular chute (36), the outside seamless connection in the inboard of ring channel (34) of scraper blade (33).
3. The dust removing apparatus for concrete production according to claim 1, wherein: and a pipe cavity (24) communicated with the first steel pipe (22) is arranged in the second steel pipe (23), and the pipe cavity (24) is communicated with the top end of the cylinder barrel (25) through a pipeline.
4. The dust removing apparatus for concrete production according to claim 1, wherein: the outer side of the spray pipe (30) is provided with spray holes (31), and the spray holes (31) are uniformly distributed on the outer side of the spray pipe (30).
5. The dust removing apparatus for concrete production according to claim 1, wherein: and springs (29) are connected to two sides of the outside of the second steel pipe (23), and one ends, far away from the second steel pipe (23), of the springs (29) are connected to the outer side of the support (27).
6. The dust removing apparatus for concrete production according to claim 1, wherein: the bottom of box (4) is fixed with first motor (8), the output shaft of first motor (8) inserts fixedly connected with L type pole (9) in tube-shape cavity (5), the outside of L type pole (9) is equipped with brush (10).
7. The dust removing apparatus for concrete production according to claim 1, wherein: and a sludge filter screen (39) which isolates the water tank (2) into two chambers is arranged in the water tank (2).
8. The dust removing apparatus for concrete production according to claim 7, wherein: the bottom intercommunication that one side cavity that water tank (2) are close to second drain pipe (12) has blow off pipe (41), the upper and lower both sides of one side cavity that second drain pipe (12) were kept away from in water tank (2) are equipped with filler pipe (43) and drain pipe (44) respectively, the mouth of pipe department of blow off pipe (41), filler pipe (43) and drain pipe (44) all is equipped with sealed lid.
9. The dust removing apparatus for concrete production according to claim 1, wherein: an elastic sheet (32) is fixed to one side of the bottom of the support (27), one end, far away from the support (27), of the elastic sheet (32) is fixedly connected with one side of the scraping plate (33), a cover plate (42) is integrally formed on the outer side of the bottom of the air pipe (37), and the cover plate (42) is connected to the top of the cylindrical cavity (5) in a sealing mode.
10. A dust removing method of the dust removing apparatus for concrete manufacturing according to claim 9, characterized in that: the method comprises the following steps:
s1, placing the filtering mechanisms (1) in a concrete production workshop at intervals of 5-16 m for layout, and injecting clear water with two thirds of water level into the transparent water tank (2) through the water adding pipe (43);
s2, pumping gas in the buffer tank (3) through the air pump (38), pumping gas in the annular cavity (6) out of the buffer tank (3) through the air pumping pipe (13), sucking air in a production workshop into the cylindrical cavity (5) through the conical filter screen (16) and filtering through the annular filter screen (7), sucking air in the cylindrical cavity (5) into the air pump (38) through the annular cavity (6), the air pumping pipe (13) and the buffer tank (3) in sequence and discharging outwards, and filtering out dust from the air in the production workshop;
s3, starting the first motor (8), the water pump (40) and the second motor (45) at intervals of 10-120 minutes, driving the L-shaped rod (9) to rotate by the first motor (8), sweeping the inner side of the annular filter screen (7) by the brush (10) arranged on the outer side of the L-shaped rod (9), improving the cleanliness of the annular filter screen (7), driving the control rod (46) by the second motor (45) to drive the first steel pipe (22) to rotate around the annular slide rail (19), enabling the brush plate (28) to sweep the outer side of the conical filter screen (16), improving the cleanliness of the conical filter screen (16), pumping out clean water in the water tank (2) by the water pump (40), sequentially inputting the clean water into the water injection pipe (21), the first steel pipe (22), the pipe cavity (24), the cylinder (25), the insertion pipe (26) and the spray pipe (30), and spraying the clean water to the surface of the conical filter screen (16) from the spray holes (31), the cleaning effect of the conical filter screen (16) can be improved by matching with the brushing of the brush plate (28);
s4, after the sewage after being scrubbed flows into the annular groove (34), the scraper (33) scrapes the sewage into the discharge pipe (35) and discharges the sewage outwards, the sewage flowing into the cylindrical cavity (5) through the conical filter screen (16) flows into the water tank (2) through the second drain pipe (12), the sewage is filtered through the sludge filter screen (39), and the sludge filtered through the sludge filter screen (39) is discharged outwards through the discharge pipe (41), so that the blockage of the sludge filter screen (39) can be prevented.
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| CN202110269815.XA CN113041722A (en) | 2021-03-12 | 2021-03-12 | Dust removal equipment and dust removal method for concrete production |
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| CN202110269815.XA CN113041722A (en) | 2021-03-12 | 2021-03-12 | Dust removal equipment and dust removal method for concrete production |
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| CN102485315A (en) * | 2010-12-06 | 2012-06-06 | 吴蔓洁 | Blowing method of pulse bag filler and apparatus used therein |
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