CN213260329U - Concrete mixing plant water recovery circulation system - Google Patents
Concrete mixing plant water recovery circulation system Download PDFInfo
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- CN213260329U CN213260329U CN202021733003.3U CN202021733003U CN213260329U CN 213260329 U CN213260329 U CN 213260329U CN 202021733003 U CN202021733003 U CN 202021733003U CN 213260329 U CN213260329 U CN 213260329U
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Abstract
The application relates to the technical field of concrete production equipment, in particular to a water recycling and circulating system of a concrete mixing plant; the concrete slurry water treatment device comprises a feed hopper for placing concrete slurry water, a slurry water receiving pool for collecting the slurry water, a clean water pool and a sand and stone storage place for placing sand and stone, wherein a hopper opening of the feed hopper is connected with a conveying groove, one end of the conveying groove is communicated with the feed hopper, the other end of the conveying groove is communicated with the sand and stone storage place, a conveying belt is arranged on the conveying groove, a plurality of through holes are formed in the conveying belt, and the through holes are uniformly formed; the slurry receiving tank is positioned below the conveying tank, a primary sedimentation tank is arranged on one side of the slurry receiving tank and communicated with the slurry receiving tank, and a filter screen and a cleaning device are arranged in the primary sedimentation tank; a secondary sedimentation tank is arranged on one side of the primary sedimentation tank, which is far away from the slurry receiving tank, the secondary sedimentation tank is communicated with the primary sedimentation tank, and a scraping device for scraping gravel at the bottom of the secondary sedimentation tank is arranged in the secondary sedimentation tank; one side of the secondary sedimentation tank, which is far away from the primary sedimentation tank, is communicated with the clean water tank.
Description
Technical Field
The application relates to the technical field of concrete production equipment, in particular to a water recycling and circulating system of a concrete mixing plant.
Background
The concrete is a general name of composite materials which are prepared by gel materials, aggregates and water according to a proper proportion and are hardened for a certain time. Concrete is the most used artificial civil engineering and construction material in the world. The concrete production process needs to use a mixer truck and a transport vehicle, the concrete mixer truck is a transport device which sends the well-mixed concrete of a concrete production plant to a construction site and returns to the production plant after unloading, and the concrete tanks, the inlet hopper, the outlet hopper and other parts on the mixer truck generally leave residual concrete and wash the obtained slurry, and if the slurry is discharged at will, the environment is polluted.
Chinese patent No. CN208052280U discloses a concrete slurry recovery system, which comprises a cleaning and conveying system, a slurry treatment system, and an aggregate drying system, wherein the cleaning and conveying system is obliquely arranged and comprises an outer sleeve, and a cleaning surface, a conveying surface, and an output pipe which are sequentially connected inside the outer sleeve, the upper end of the cleaning surface is provided with a water through hole, so that slurry flows into the lower part of the cleaning surface and the conveying surface through the water through hole, and is conveyed to the slurry treatment system through a water pipe, and orthopedics department enters the orthopedics drying system after being conveyed to the output pipe through the conveying surface; the orthopedics drying system include storage hopper and rotary drying furnace, the bottom of storage hopper is passed through the discharging pipe and is connected with rotary drying furnace, sets up the valve on the discharging pipe.
In view of the above-mentioned related art, the inventors have considered that there is a possibility that a poor water purification effect may occur during the concrete slurry recovery process.
SUMMERY OF THE UTILITY MODEL
In order to make the water purification effect better when concrete thick liquid retrieves, this application provides a concrete mixing plant recycling system.
The application provides a pair of concrete mixing plant water recovery circulation system adopts following technical scheme:
a water recycling and circulating system of a concrete mixing plant comprises a feed hopper for placing concrete slurry, a slurry receiving pool for collecting the slurry, a clean water pool and a sand storage place for placing sand, wherein a hopper opening of the feed hopper is connected with a conveying groove for conveying the concrete slurry, one end of the conveying groove is communicated with the feed hopper, the other end of the conveying groove is communicated with the sand storage place, a conveying belt for driving the concrete to move is arranged on the conveying groove, a plurality of through holes are formed in the conveying belt, and the through holes are uniformly formed; the slurry receiving tank is positioned below the conveying tank, a primary sedimentation tank is arranged on one side of the slurry receiving tank and communicated with the slurry receiving tank, and a filter screen for filtering slurry and a cleaning device for cleaning the filter screen are arranged in the primary sedimentation tank; a secondary sedimentation tank is arranged on one side of the primary sedimentation tank, which is far away from the slurry receiving tank, the secondary sedimentation tank is communicated with the primary sedimentation tank, and a scraping device for scraping gravel at the bottom of the secondary sedimentation tank is arranged in the secondary sedimentation tank; and one side of the secondary sedimentation tank, which is far away from the primary sedimentation tank, is communicated with a clean water tank.
By adopting the technical scheme, concrete slurry is poured into the feed hopper, the slurry flows into the conveying groove from a hopper opening of the feed hopper, the concrete slurry is separated by the arrangement of the conveying belt in the conveying groove, solid gravels in the slurry are conveyed to a gravels storage place through the conveying belt, through holes are arranged on the conveying belt, the water after the slurry separation falls into the slurry receiving pool through the through holes on the conveying belt, as the slurry receiving pool is communicated with the primary sedimentation pool, the water flows to the primary sedimentation pool from the slurry receiving pool, the primary sedimentation pool is internally provided with the filter screen, the water after the filter screen is filtered flows to the secondary sedimentation pool, the filter screen filters the slurry for a long time, a plurality of gravels are attached to the surface of the filter screen, the filter screen is blocked, the filter effect is influenced, the arrangement of the cleaning device can clean the filter screen, the filter screen achieves the best filter effect, the filtered water flows into the secondary sedimentation pool, the secondary sedimentation tank is kept static and is precipitated, after the secondary sedimentation tank is kept static and is precipitated, water flows into a clean water tank, but water is in the secondary sedimentation tank and is precipitated, the secondary sedimentation tank bottom can have the grit to pile up, the grit of scraping the secondary sedimentation tank bottom is scraped and is got and collect in unison to the scraper, the effect that makes next secondary sedimentation tank keep static and precipitate reaches the best.
Preferably, an overflow pipe is arranged in the slurry receiving tank, one end of the overflow pipe is connected to the top of the side wall of the slurry receiving tank, and the other end of the overflow pipe is connected to the side wall of the primary sedimentation tank and close to the bottom of the slurry receiving tank.
Through adopting above-mentioned technical scheme, after the thick liquid is separated, rivers get into during the thick liquid receives the pond, overflow pipe one end is connected and is received pond lateral wall top at the thick liquid, the other end is connected in sedimentation tank lateral wall bottom once, in the thick liquid is received to the water after the separation falls into the thick liquid and is received the pond, the grit is sunken and is received the bottom of the pond at the thick liquid, the thick liquid is received the water of pond upper portion and is received the water of pond lower part and limpid some, the setting of overflow pipe, the water that makes the inflow sedimentation tank once is the overflow water, make follow-up operation change and go on.
Preferably, a first water guide pipe is arranged in the primary sedimentation tank, the first water guide pipe is arranged on one side of the side wall of the primary sedimentation tank, which is close to the secondary sedimentation tank, and one end of the first water guide pipe is connected to the top of the secondary sedimentation tank; the horizontal height of the filter screen is lower than the lowest position of the first water guide pipe.
Through adopting above-mentioned technical scheme, rivers go into primary sedimentation tank bottom, and the height of water is more and more high, then flows into the secondary sedimentation tank by first aqueduct again after the filtration of filter screen, and the grit that does not handle because of deposiing in with the aquatic is handled in the setting of filter screen, makes cleaner water flow into in the secondary sedimentation tank.
Preferably, the cleaning device comprises a cleaning brush for cleaning the filter screen and a cleaning cylinder for driving the cleaning brush to move, the cleaning brush horizontally moves along the length direction of the primary sedimentation tank and is abutted against the upper surface of the filter screen, and the cleaning cylinder is arranged on the side wall of the primary sedimentation tank; the side wall of the primary sedimentation tank is far away from one side of the cleaning air cylinder, a first discharge port for discharging sand and stones and a first baffle matched with the first discharge port are arranged, the first discharge port is arranged below the first water guide pipe, the height of the lower surface of the first discharge port is not higher than that of the filter screen, and the first baffle moves along the vertical direction of the side wall of the primary sedimentation tank.
Through adopting above-mentioned technical scheme, the filter screen carries out long-time filtration, can adhere to a lot of grit on the filter screen, the grit can block up the filter screen, thereby make the filter screen can not reach filterable effect, and then probably still arouse the unable operation of entire system because of the filter screen blocks up, the clearance jar promotes clearance brush horizontal movement and then clears up whole filter screen, first baffle rebound, the clearance brush is with grit along the first outlet release sedimentation tank, guarantee the cleanness of filter screen, make better the filtering action that carries on of filter screen ability.
Preferably, cleaning device still includes the clearance basket of the grit on the collection filter screen, clearance basket releasable connection in on the sedimentation tank lateral wall once, and be located first baffle below.
By adopting the technical scheme, when the cleaning brush moves along the horizontal direction to clean the filter screen, the cleaned gravel is discharged from the first discharge port, the gravel is not beneficial to treatment, collection and utilization, the cleaning basket is arranged below the first discharge port, and when the cleaning brush pushes the gravel out of the primary sedimentation tank, the gravel falls into the collecting basket, the first baffle slides downwards to seal the first discharge port; the setting of clearance basket makes the grit after the clearance collect in unison, after collecting the basket and collecting full grit, can dismantle the collection basket, puts the grit and collects the department and unifies the use.
Preferably, the scraping device comprises a scraping rod for scraping gravel at the bottom of the secondary sedimentation tank and a scraping cylinder for driving the scraping rod to move along the length direction of the secondary sedimentation tank; the scraping rod is arranged at the bottom of the secondary sedimentation tank and is abutted against the bottom surface of the secondary sedimentation tank, the scraping cylinder is arranged on the side wall of the secondary sedimentation tank, a second discharge port for discharging gravel at the bottom of the tank and a second baffle matched with the second discharge port are arranged on one side, far away from the scraping cylinder, of the side wall of the secondary sedimentation tank, the second baffle is positioned at the bottom of the side wall of the secondary sedimentation tank, and the second baffle moves along the vertical direction of the side wall of the secondary sedimentation tank.
Through adopting above-mentioned technical scheme, in water is by primary sedimentation tank to secondary sedimentation tank, the sediment of stewing, water after the sediment gets into in the clear water pond by the second aqueduct, secondary sedimentation tank bottom still can deposit the grit after the sediment of stewing, scrape the material cylinder and drive and scrape the material pole and move along the horizontal direction, second baffle lapse, scrape the material pole and release the grit from second discharge port department, second baffle lapse, seal secondary sedimentation tank, scrape the setting of material pole, thereby make the secondary sedimentation tank bottom cleaner make the next time when the sediment of stewing, secondary sedimentation tank can reach the best sedimentation effect of stewing.
Preferably, the scraper bar comprises an upper surface and a guide surface, the upper surface is horizontally arranged, and an angle formed between the guide surface and the upper surface is an obtuse angle.
Through adopting above-mentioned technical scheme, scrape the material pole when scraping secondary sedimentation tank bottom, scrape the material pole and have a spigot surface, the spigot surface is the obtuse angle with upper surface institute angle, scrapes the setting up of material pole spigot surface and makes and scrape the material pole when scraping the grit of secondary sedimentation tank bottom, the grit with scrape the area of contact increase of material pole, the messenger scrapes the grit that the pole scraped the secondary sedimentation tank bottom more easily.
Preferably, a temporary storage tank is arranged on one side, far away from the scraping cylinder, of the side wall of the secondary sedimentation tank, the temporary storage tank is fixedly connected with the side wall of the secondary sedimentation tank, and the secondary sedimentation tank is located below the second baffle; the inside filtration basket that is equipped with of pond of keeping in, the bottom of the pool portion of keeping in is equipped with the drive actuating cylinder that drives the vertical elevating movement of filtration basket, the pond of keeping in with the clean water basin is linked together.
Through adopting above-mentioned technical scheme, filter the basket setting in the pond of keeping in, it promotes to filter the basket and rises or descend to drive actuating cylinder, scrape the grit of bottom with the secondary when scraping the material pole and scrape second baffle department, second baffle rebound, scrape the material pole and push away the grit to filter in the basket, because the second baffle sets up in the secondary sedimentation tank bottom, during the second baffle rebound, there is some water also can be followed the second discharge port and flowed out, it promotes to filter the basket upward movement to drive actuating cylinder, it carries out the auxiliary filtration with the water of second baffle department to filter the basket, rivers after filtering go into the pond of keeping in, final flow direction clean water basin, grit in the filtration basket can be placed the grit and collect the department and carry out the unified processing.
In summary, the present application includes at least one of the following beneficial technical effects:
1. concrete slurry flows into the conveying groove from a hopper opening of the feeding hopper, the slurry is separated by the conveying belt, water flows into the slurry receiving tank, sand and stones directly enter a sand and stone storage position, the slurry finally flows into the clear water tank through the primary sedimentation tank and the secondary sedimentation tank, the primary sedimentation tank is internally provided with a filter screen and a cleaning device for cleaning the sand and stone on the filter screen, the filter screen is better cleaned by the cleaning device, and the water filtering effect is better; the secondary sedimentation tank scraper's setting is handled the grit of secondary sedimentation tank bottom and is collected to the effect is better when making the sediment of stewing.
2. When filter screen live time is too long, can adhere to some grit on the filter screen, the clearance jar promotes the clearance brush along the horizontal direction clearance filter screen, and first baffle upwards slides, releases a sedimentation tank with grit on the filter screen, and the cooperation of clearance cylinder and clearance brush is used, makes the filter screen cleaner to reach better filter effect.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a water recycling system of a concrete mixing plant according to an embodiment of the present application.
FIG. 2 is a schematic view of a part of the water recycling system of a concrete mixing plant according to an embodiment of the present application.
FIG. 3 is a schematic structural diagram of a water recycling system of a concrete mixing plant without a feed hopper, a conveying trough and a gravel storage part according to an embodiment of the present application.
Fig. 4 is a top view of fig. 3.
Fig. 5 is a partially enlarged schematic view of a in fig. 4.
Fig. 6 is a partially enlarged schematic view of B in fig. 4.
Description of reference numerals: 1. a feed hopper; 11. a conveying trough; 111. a conveyor belt; 112. a through hole; 12. a sandstone storage place; 13. a slurry receiving tank; 14. a primary sedimentation tank; 15. a secondary sedimentation tank; 16. a clean water tank; 17. a temporary storage pool; 2. an overflow pipe; 21. a first water conduit; 22. a second water conduit; 3. a filter screen; 4. a cleaning device; 41. cleaning the air cylinder; 42. a first connecting plate; 43. a first baffle plate; 44. cleaning a basket; 45. cleaning the brush; 5. a scraping device; 51. a scraping cylinder; 52. a second connecting plate; 53. a second baffle; 54. a scraping rod; 541. an upper surface; 542. a guide surface; 55. a driving cylinder; 56. a filter basket.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses concrete mixing plant water recovery circulation system. Referring to fig. 1, the water recycling circulation system of the concrete mixing plant comprises a feed hopper 1 for placing concrete slurry, a conveying groove 11 communicated with a hopper opening of the feed hopper 1, a sand storage place 12 for placing sand, a slurry receiving pool 13 for collecting slurry, a primary sedimentation pool 14, a secondary sedimentation pool 15 and a clean water pool 16; the slurry receiving tank 13 is communicated with a primary sedimentation tank 14, the primary sedimentation tank 14 is communicated with a secondary sedimentation tank 15, and the secondary sedimentation tank 15 is communicated with a clean water tank 16.
As shown in fig. 2, a hopper opening of the feed hopper 1 is communicated with one end of a conveying trough 11, the other end of the conveying trough 11 is connected with a sand storage part 12, a conveying belt 111 is arranged inside the conveying trough 11, a plurality of through holes 112 are arranged on the conveying belt 111, and the through holes 112 are uniformly distributed; a slurry receiving tank 13 is arranged below the conveying groove 11.
When concrete grout is poured into the feed hopper 1, the concrete grout enters the conveying groove 11 along the hopper opening of the feed hopper 1, the concrete grout moves along the conveying belt 111, the plurality of through holes 112 are formed in the conveying belt 111, the concrete grout is separated, the separated sand is conveyed to the sand storage position 12 by the conveying belt 111, and water falls into the grout receiving tank 13 through the through holes 112.
As shown in fig. 3, the overflow pipe 2 is arranged on the side wall of the slurry receiving tank 13, one end of the overflow pipe 2 is connected to the top of the side wall of the slurry receiving tank 13, the other end of the overflow pipe 2 is connected to the bottom of the side wall of the primary sedimentation tank 14, when water flows into the slurry receiving tank 13 from the conveying trough 11, sand and stone in the water are precipitated to the bottom of the slurry receiving tank 13, the water at the top of the slurry receiving tank 13 is clear, so that the water overflows from the slurry receiving tank 13 into the primary sedimentation tank 14, and the water flowing into the primary sedimentation tank 14 from the slurry receiving tank 13 is overflow water due to the arrangement of the overflow pipe 2, so that the water reaching the primary sedimentation tank 14 is clear.
As shown in fig. 4 and 5, a first water guide pipe 21 is arranged on the side wall of the primary sedimentation tank 14, one end of the first water guide pipe 21 is connected to the top of the side wall of the primary sedimentation tank 14, the other end of the first water guide pipe 21 is connected to the side wall of the secondary sedimentation tank 15 and is close to the bottom of the slurry collection tank, a cleaning device 4 and a filter screen 3 for filtering slurry are arranged in the primary sedimentation tank 14, and the cleaning device 4 comprises a cleaning brush 45 for cleaning the filter screen 3 and two cleaning air cylinders 41 for driving the cleaning brush 45 to move along the horizontal direction; first aqueduct 21 below is located to filter screen 3, clearance cylinder 41 is located 14 lateral walls of primary sedimentation tank and is close to thick liquid receiving tank 13 one side, cleaning device 4 still includes two first connecting plates 42, two first connecting plates 42 and two clearance cylinders 41 one-to-one, first connecting plate 42 one end is connected on the piston rod of clearance cylinder 41, the one end at clearance brush 45 is connected to the first connecting plate 42 other end, clearance brush 45 and 3 upper surface 541 looks butt of filter screen.
As shown in fig. 3, a first discharge port for discharging gravel and a first baffle 43 used in cooperation with the first discharge port are arranged on one side, close to the secondary sedimentation tank 15, of the side wall of the primary sedimentation tank 14, the horizontal straight line of the lower surface of the first discharge port and the horizontal straight line of the filter screen 3 are the same straight line, a cleaning basket 44 for collecting gravel on the filter screen 3 is arranged on one side, close to the secondary sedimentation tank 15, of the side wall of the primary sedimentation tank 14, and the cleaning basket 44 is located below the first baffle 43.
When water flows into the primary sedimentation tank 14 from the slurry receiving tank 13, the water is more and more upward from the bottom, and after the water flow passes through the filter screen 3, the water flows into the secondary sedimentation tank 15 along the first water guide pipe 21, the filter screen 3 is arranged, the water flowing into the secondary sedimentation tank 15 is filtered, sand and stones in the water are filtered out, and the water reaching the secondary sedimentation tank 15 is clearer.
As shown in fig. 3 and 6, a scraping device 5 for scraping gravel at the bottom of the secondary sedimentation tank 15 is arranged in the secondary sedimentation tank 15, the scraping device 5 comprises a scraping rod 54 arranged at the bottom of the secondary sedimentation tank 15, the lower surface of the scraping rod 54 is abutted against the bottom of the secondary sedimentation tank 15, two scraping cylinders 51 are arranged on one side, close to the primary sedimentation tank 14, of the side wall of the secondary sedimentation tank 15, the scraping device 5 further comprises two second connecting plates 52, the two second connecting plates 52 are in one-to-one correspondence with the two scraping cylinders 51, one end of each second connecting plate 52 is connected with one end of the scraping rod 54, and the other end of each second connecting plate is connected with a piston rod of the scraping cylinder 51.
When water flows through the secondary sedimentation tank 15 from the primary sedimentation tank 14, the water is statically precipitated, the precipitated water flows into the clean water tank 16 from the secondary sedimentation tank 15, because the water in the secondary sedimentation tank 15 is statically precipitated, some gravels are left at the bottom of the secondary sedimentation tank 15, the gravels at the bottom of the secondary sedimentation tank 15 are uniformly cleaned by the scraper rod 54, the cleanness of the secondary sedimentation tank 15 is ensured, and the secondary sedimentation tank 15 is best in static precipitation effect when the next static precipitation is ensured.
The scraping rod 54 comprises an upper surface 541 and a guide surface 542, the upper surface 541 is horizontally arranged, the guide surface 542 and the upper surface 541 form an obtuse angle, and the guide surface 542 is arranged, so that the contact area of sand and stone at the bottom of the secondary sedimentation tank 15 and the scraping rod 54 is larger, and the scraping rod 54 can better clean the sand and stone at the bottom of the secondary sedimentation tank 15.
As shown in fig. 3 and 4, a second discharge port for discharging gravel at the bottom of the secondary sedimentation tank 15 and a second baffle 53 matched with the second discharge port are arranged on one side of the side wall of the secondary sedimentation tank 15 away from the scraping cylinder 51, the second baffle 53 is arranged at the bottom of the secondary sedimentation tank 15, the second baffle 53 is connected to the side wall of the secondary sedimentation tank 15 in a sliding manner, a temporary storage tank 17 is fixedly connected to the side wall of the secondary sedimentation tank 15, and the temporary storage tank 17 is positioned below the second baffle 53; a filtering basket 56 capable of moving up and down is arranged in the temporary storage pool 17, a driving air cylinder 55 is arranged below the temporary storage pool 17, and a piston rod of the driving air cylinder 55 penetrates through the bottom of the temporary storage pool 17 and is connected to the bottom of the filtering basket 56.
When scraping the horizontal motion of the grit at the bottom of the secondary sedimentation tank 15, push the grit to the second baffle 53, the second baffle 53 slides upwards, the scraping rod 54 pushes the grit to the filter basket 56, because the second discharge port is arranged at the bottom of the secondary sedimentation tank 15, when the second baffle 53 slides upwards, part of water also flows into the filter basket 56, when the driving cylinder 55 pushes the filter basket 56 to move upwards, the filter basket 56 plays a role in auxiliary filtration, and the auxiliary filtered water flows into the temporary storage tank 17.
As shown in fig. 4, a second water guiding pipe 22 is further disposed on the temporary storage pool 17, one end of the second water guiding pipe 22 is connected to the side wall of the temporary storage pool 17, the other end of the second water guiding pipe 22 is connected to the side wall of the clean water pool 16, and water flowing into the temporary storage pool 17 from the secondary sedimentation pool 15 flows into the clean water pool 16 along the second water guiding pipe 22 after being subjected to auxiliary filtration by the filter basket 56.
The implementation principle of the concrete mixing plant water recycling system in the embodiment of the application is as follows: concrete slurry is poured into a feed hopper 1 and enters a conveying groove 11 along a hopper opening of the feed hopper 1, separated gravels are conveyed to a gravels storage part 12 by a conveying belt 111 in the conveying groove 11, the separated water flows into a slurry receiving pool 13, supernatant of the water in the slurry receiving pool 13 flows into a primary sedimentation pool 14 along an overflow pipe 2, the supernatant flows into a secondary sedimentation pool 15 for standing and sedimentation after being filtered by a filter screen 3, a cleaning cylinder 41 drives a cleaning brush 45 to clean the filter screen 3, a first baffle 43 slides upwards, and the cleaning brush 45 pushes the gravels into a cleaning basket 44; in water flows into clean water basin 16 after secondary sedimentation tank 15 is stood and is depositd, scrape material cylinder 51 and drive the grit of scraping material pole 54 clearance secondary sedimentation tank 15 bottom, second baffle 53 upwards slides, scrapes material pole 5445 and pushes away the grit to filter basket 56 in, drives actuating cylinder 55 and promotes filter basket 56 upward movement to water in the pond 17 of keeping in assists, finally flows into in the clean water basin 16.
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 concrete mixing plant water reclamation circulation system, includes feeder hopper (1) of placing the concrete thick liquid, the thick liquid water receiving pool (13) of collecting the thick liquid water, clean water basin (16), the grit storage site (12) of placing the grit, its characterized in that: a hopper opening of the feed hopper (1) is connected with a conveying groove (11) for conveying concrete slurry, one end of the conveying groove (11) is communicated with the feed hopper (1), the other end of the conveying groove (11) is communicated with a sand storage part (12), a conveying belt (111) for driving concrete to move is arranged on the conveying groove (11), a plurality of through holes (112) are formed in the conveying belt (111), and the through holes (112) are uniformly formed; the slurry receiving tank (13) is positioned below the conveying tank (11), a primary sedimentation tank (14) is arranged on one side of the slurry receiving tank (13), the primary sedimentation tank (14) is communicated with the slurry receiving tank (13), and a filter screen (3) for filtering slurry and a cleaning device (4) for cleaning the filter screen (3) are arranged in the primary sedimentation tank (14); a secondary sedimentation tank (15) is arranged on one side of the primary sedimentation tank (14) far away from the slurry receiving tank (13), the secondary sedimentation tank (15) is communicated with the primary sedimentation tank (14), and a scraping device (5) for scraping gravel at the bottom of the secondary sedimentation tank (15) is arranged in the secondary sedimentation tank (15); one side of the secondary sedimentation tank (15) far away from the primary sedimentation tank (14) is communicated with a clean water tank (16).
2. The water recycling system for concrete mixing plant according to claim 1, characterized in that: an overflow pipe (2) is arranged in the slurry receiving tank (13), one end of the overflow pipe (2) is connected to the top of the side wall of the slurry receiving tank (13), and the other end of the overflow pipe (2) is connected to the side wall of the primary sedimentation tank (14) and is close to the bottom of the slurry receiving tank (13).
3. The water recycling system for concrete mixing plant according to claim 1, characterized in that: a first water guide pipe (21) is arranged in the primary sedimentation tank (14), the first water guide pipe (21) is arranged on one side, close to the secondary sedimentation tank (15), of the side wall of the primary sedimentation tank (14), and one end of the first water guide pipe (21) is connected to the top of the secondary sedimentation tank (15); the horizontal height of the filter screen (3) is lower than the lowest position of the first water guide pipe (21).
4. The water recycling system for concrete mixing plant according to claim 3, characterized in that: the cleaning device (4) comprises a cleaning brush (45) for cleaning the filter screen (3) and a cleaning cylinder (41) for driving the cleaning brush (45) to move, the cleaning brush (45) horizontally moves along the length direction of the primary sedimentation tank (14) and is abutted against the upper surface (541) of the filter screen (3), and the cleaning cylinder (41) is arranged on the side wall of the primary sedimentation tank (14); the utility model discloses a filter screen, including primary sedimentation tank (14), clearance cylinder (41), first eduction mouth, first baffle (43) that cooperate the use with first eduction mouth, first eduction mouth is located first aqueduct (21) below, and the lower surface place height of first eduction mouth is not higher than filter screen (3) place height, first baffle (43) are removed along the vertical direction of primary sedimentation tank (14) lateral wall.
5. The water recycling system for concrete mixing plant according to claim 4, characterized in that: cleaning device (4) still including collecting the clearance basket (44) of grit on filter screen (3), clearance basket (44) releasable connection in on primary sedimentation tank (14) lateral wall, and be located first baffle (43) below.
6. The water recycling system for concrete mixing plant according to claim 1, characterized in that: the scraping device (5) comprises a scraping rod (54) for scraping sand and stone at the bottom of the secondary sedimentation tank (15) and a scraping cylinder (51) for driving the scraping rod (54) to move along the length direction of the secondary sedimentation tank (15); scrape material pole (54) locate secondary sedimentation tank (15) bottom and with secondary sedimentation tank (15) bottom surface looks butt, scrape on material cylinder (51) locate secondary sedimentation tank (15) lateral wall, keep away from on secondary sedimentation tank (15) lateral wall and scrape second discharge port that material cylinder (51) one side was equipped with the grit of discharge bottom of the pool, with second discharge port cooperation second baffle (53) that use, and second baffle (53) are located secondary sedimentation tank (15) lateral wall bottom, second baffle (53) are followed the vertical direction of secondary sedimentation tank (15) lateral wall and are removed.
7. The water recycling system for concrete mixing plant according to claim 6, characterized in that: the scraping rod (54) comprises an upper surface (541) and a guide surface (542), the upper surface (541) is horizontally arranged, and an angle formed by the guide surface (542) and the upper surface (541) is an obtuse angle.
8. The water recycling system for concrete mixing plant according to claim 6, characterized in that: a temporary storage tank (17) is arranged on one side, far away from the scraping cylinder (51), of the side wall of the secondary sedimentation tank (15), the temporary storage tank (17) is fixedly connected with the side wall of the secondary sedimentation tank (15), and the secondary sedimentation tank (15) is located below the second baffle (53); the inside filtration basket (56) that is equipped with of pond (17) of keeping in, pond (17) bottom of keeping in is equipped with the drive actuating cylinder (55) that drives the vertical elevating movement of filtration basket (56), pond (17) of keeping in with clean water basin (16) are linked together.
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| CN202021733003.3U CN213260329U (en) | 2020-08-18 | 2020-08-18 | Concrete mixing plant water recovery circulation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185035A (en) * | 2021-06-02 | 2021-07-30 | 浙江恒立交通工程有限公司 | Concrete retarding water treatment method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185035A (en) * | 2021-06-02 | 2021-07-30 | 浙江恒立交通工程有限公司 | Concrete retarding water treatment method and device |
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