CN112316553A

CN112316553A - Concrete waste water recycle system

Info

Publication number: CN112316553A
Application number: CN202010997303.0A
Authority: CN
Inventors: 杜明明; 万鑫; 周桃琼
Original assignee: Huzhou Shangjian Huayu Concrete Co ltd
Current assignee: Huzhou Shangjian Huayu Concrete Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-02-05

Abstract

The application relates to a concrete wastewater recycling system, which comprises a sand-stone separating device arranged on one side of a mixer truck, wherein the sand-stone separating device is used for separating sand from cleaning liquid in the mixer truck and collecting the sand, the sand-stone separating device comprises a liquid outlet and a discharge port, the liquid outlet is used for conveying waste liquid, and the discharge port is used for conveying the separated sand; a liquid outlet of the sand-stone separation device is communicated with a grading precipitation device which is arranged at the tail end of the liquid outlet and is used for cleaning waste liquid for recycling; the discharge gate of grit separator is provided with grit reducing mechanism, grit reducing mechanism is arranged in smashing used repeatedly with the grit piece of separation department in the waste water. This application has the effect of carrying out used repeatedly and energy saving to concrete waste water.

Description

Concrete waste water recycle system

Technical Field

The application relates to the field of concrete wastewater treatment, in particular to a concrete wastewater recycling system.

Background

The concrete mixer truck is a transportation device which sends the well-mixed concrete of a concrete production plant to a construction site and returns to the production plant after unloading, concrete generally remains in a concrete tank, a feeding hopper, a discharging hopper and the like on the mixer truck, and the concrete must be cleaned in time by water after being used.

When the mixer truck is cleaned, the waste water discharged by the mixer truck contains a large amount of stones, sand and cement paste. Most of the treatment methods applied in the market at present are that a sedimentation tank is used for settling and recovering sand and stone, and waste water is discharged into a sewer.

In view of the above-mentioned related art, the inventor believes that there is a defect that the concrete waste water is directly discharged into the environment, which causes water resource waste.

Disclosure of Invention

In order to solve the problem that causes the water waste in the concrete waste water direct discharge environment, this application provides a concrete waste water recycle system.

The application provides a concrete waste water recycle system adopts following technical scheme:

a concrete wastewater recycling system comprises a sand-stone separating device arranged on one side of a mixer truck, wherein the sand-stone separating device is used for separating and collecting sand from cleaning liquid in the mixer truck, the sand-stone separating device comprises a liquid outlet and a discharge port, the liquid outlet is used for conveying waste liquid, and the discharge port is used for conveying separated sand;

a liquid outlet of the sand-stone separation device is communicated with a grading precipitation device which is arranged at the tail end of the liquid outlet and is used for cleaning waste liquid for recycling;

the discharge gate of grit separator is provided with grit reducing mechanism, grit reducing mechanism is arranged in smashing used repeatedly with the grit piece of separation department in the waste water.

Through adopting above-mentioned technical scheme, separate the waste water of trucd mixer through grit separator, transmit liquid outlet concrete waste water on through grit separator to hierarchical precipitation device department and filter and deposit, deposit the concrete debris in the waste water and get rid of, collect through grit reducing mechanism concrete piece in to the concrete waste liquid and grind the worker and construct the use, have the effect of carrying out used repeatedly and energy saving to concrete waste water.

Preferably, grit separator is including carrying the platform, carry the bench to rotate and be connected with the driving roller, the conveyer belt of tensioning has been cup jointed between the driving roller, be provided with the filtration pore on the conveyer belt, the liquid outlet set up in the below of carrying the platform is close to one side of hierarchical device of deposiing just the liquid outlet with hierarchical device intercommunication of deposiing, the driving roller rotates under the exogenic action, the discharge gate set up in carry the platform to be located the conveyer belt is close to one side of hierarchical device of deposiing, the discharge gate is provided with cleans the subassembly, the driving roller rotates under the exogenic action and drives the conveyer belt transmission.

Through adopting above-mentioned technical scheme, the driving roller rotates and carries the transmission with waste water through the conveyer belt, through filtration pore with solid-liquid separation, and waste water gets into the liquid outlet and transmits to the fractional precipitation device in, carries out abrasive treatment in transmitting grit to grit reducing mechanism through the discharge gate with the grit, avoids the conveyer belt on the stifled dead condition of filtration pore emergence of in time clearing up through cleaning the subassembly.

Preferably, the cleaning assembly comprises a first gear coaxially fixed with two ends of a transmission roller close to one side of the grading and precipitating device, a second gear rotatably connected with the conveying table is meshed with the first gear, a cleaning roller is coaxially and fixedly connected between the second gear, and a brush is fixedly connected to the cleaning roller.

Through adopting above-mentioned technical scheme, rotate drive gear one through the driving roller and rotate, order about under the effect of gear one and gear two meshing and clean the roller rotation, the conveyer belt clean up of speaking under the effect of brush butt conveyer belt has the effect of integrative drive energy saving for the clean up effect of conveyer belt.

Preferably, one side of discharge gate is provided with the switching platform, the switching platform is located carry the platform to be close to one side of hierarchical filter equipment, the slope of switching platform orientation grit reducing mechanism, the switching platform be used for with the grit transmit to in the grit reducing mechanism.

Through adopting above-mentioned technical scheme, in transferring the grit that the conveyer belt transmitted to grit reducing mechanism under the effect of the switching platform of slope, had the effect of convenient transmission.

Preferably, the fractional precipitation device comprises a first precipitation tank and a second precipitation tank, a water delivery assembly is arranged between the first precipitation tank and the second precipitation tank, a stirring assembly is arranged between the first precipitation tank and the second precipitation tank, and the stirring assembly is used for stirring and precipitating wastewater in the first precipitation tank and the second precipitation tank.

Through adopting above-mentioned technical scheme, carry out the fractional precipitation to waste water through first sedimentation tank and second sedimentation tank, carry out the vortex through stirring subassembly and stir the sediment to every sedimentation tank, carry out the secondary sedimentation in the clear water of the sediment in with first sedimentation tank through water delivery subassembly carries to the second sedimentation tank for waste water is repeatedly usable after deposiing many times.

Preferably, the water delivery subassembly includes the water pump, the water pump orientation the fixed intercommunication in one side of first sedimentation tank has the drinking-water pipe, be provided with the water storage pipe on the drinking-water pipe, the drinking-water pipe orientation one end fixedly connected with water filtering ball in the first sedimentation tank, the water pump orientation the fixed intercommunication in one end in the second sedimentation tank has the drain pipe, the drain pipe butt in the second sedimentation tank.

Through adopting above-mentioned technical scheme, advance through the rivers in the water pump with first sedimentation tank and discharge to drain pipe department through the drinking-water pipe, carry the water source to deposit in the second sedimentation tank through the drain pipe, filter the debris in the first sedimentation tank through the drainage ball, can avoid the condition emergence that the water pump idle running damaged under the effect of retaining pipe, have the effect of stable safe transport water.

Preferably, the stirring assembly comprises connecting plates fixed at the opening ends of the first sedimentation tank and the second sedimentation tank, two supporting plates are fixedly connected to the connecting plates, a rotating shaft is connected between the two supporting plates in a rotating manner, a first bevel gear is fixedly arranged in the rotating shaft at a position corresponding to the connecting plate in a penetrating manner, the first bevel gear is meshed with a second bevel gear and a third bevel gear respectively, the second bevel gear and the third bevel gear are respectively connected to the two connecting plates in a rotating manner, stirring blades are respectively fixedly connected to the rotating shaft ends of the second bevel gear and the third bevel gear, and the two stirring blades are respectively abutted to the first sedimentation tank and the second sedimentation tank.

Through adopting above-mentioned technical scheme, thereby order about the pivot through motor one and rotate and drive bevel gear one and rotate bevel gear two and bevel gear three on the order about the connecting plate and rotate, further order about the stirring leaf and rotate for form the vortex in first sedimentation tank and the second sedimentation tank, carry out the vortex with the waste water in first sedimentation tank and the second sedimentation tank and deposit.

Preferably, the drain pipe is towards the one end of second sedimentation tank is the level setting, the horizontal segment of drain pipe is the wave setting, the play water end of drain pipe is the arcuation setting, the crooked orientation of the play water end of drain pipe the second sedimentation tank center.

Through adopting above-mentioned technical scheme, through setting the drain pipe to horizontally wave for the drain pipe can reduce the impact force that the water pump gave the water source in the drain pipe when the drainage, in the terminal crooked orientation second sedimentation tank of drain pipe, add water along the vortex direction in the second sedimentation tank with the water in the drain pipe, avoid the water source to strike in the second sedimentation tank, cause the waste water in the second sedimentation tank to become muddy, the influence is used.

Preferably, grit reducing mechanism including set up in the fixing base of discharge gate, be provided with the extrusion ring on the fixing base, be provided with in the extrusion ring and grind the fragment, grind the eccentric fixedly connected with turning block in kibbling bottom, the bottom fixedly connected with support seat of turning block, the coaxial fixedly connected with motor two in bottom of turning block.

Through adopting above-mentioned technical scheme, order about the turning block through motor two and rotate, drive through the turning block and grind the eccentric rotation of piece, rotate the extrusion grinding with the concrete piece between extrusion ring and the piece of grinding, collect the concrete piece after will processing and carry out reuse, have the effect of stably grinding the concrete piece.

Preferably, the inner wall of the extrusion ring is arranged in a conical shape, the grinding fragments are in a conical shape, the extrusion ring is in threaded connection with the fixed seat, the extrusion ring is located on the outer wall of the upper end of the fixed seat and is fixedly connected with a bevel gear ring, the fixed seat is rotatably connected with a bevel gear, the upper end of the bevel gear is provided with a driving mechanism, and the bevel gear ring and the bevel gear are meshed to rotate to drive the extrusion ring to move up and down along the fixed seat.

Through adopting above-mentioned technical scheme, order about helical gear through drive structure and rotate the outer skewed tooth circle of drive extrusion ring and carry out the meshing transmission, lead to through extrusion ring threaded connection between the fixing base, adjust the concrete piece that extrusion ring and grind the interval between the piece and grind different specifications along the direction of height of helical gear with skewed tooth circle.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the concrete waste water recycling system separates waste water of the mixer truck through the sand-stone separating device, the concrete waste water is transmitted to the grading precipitation device through the liquid outlet on the sand-stone separating device to be filtered and precipitated, concrete sundries in the waste water are precipitated and removed, and concrete blocks in the concrete waste water are collected and ground by the sand-stone crushing device for construction, so that the concrete waste water recycling system has the effects of recycling the concrete waste water and saving energy;

2. according to the concrete wastewater recycling system, wastewater is conveyed by the conveying belt through the rotation of the driving roller, solid-liquid separation is carried out through the filtering holes, the wastewater enters the liquid outlet and is conveyed into the grading sedimentation device, sand and stone are conveyed into the sand and stone crushing device through the discharge port for grinding treatment, and the conveying belt is cleaned in time through the cleaning assembly, so that the situation that the filtering holes on the conveying belt are blocked is avoided;

3. this application concrete waste water recycle system orders about helical gear through drive structure and rotates the outer skewed tooth circle of drive extrusion ring and mesh the transmission, leads to through extrusion ring threaded connection between the fixing base, adjusts the concrete piece that extrusion ring and the interval between the piece of grinding different specifications are ground to skewed tooth circle along the direction of height of helical gear.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a partially schematic axial cross-sectional view of the spindle of fig. 1.

Fig. 3 is a schematic view of a part of the structure of the liquid outlet in fig. 1.

Fig. 4 is a schematic axial cross-section of the transfer table of fig. 1.

Fig. 5 is an enlarged schematic view of a portion a in fig. 1.

Description of reference numerals: 1. a sand and stone separation device; 11. a liquid outlet; 111. a filter screen; 112. a wind-up roll; 113. a fixed roller; 12. a discharge port; 121. a transfer station; 13. a conveying table; 131. a driving roller; 132. a conveyor belt; 133. a sweeping assembly; 1331. a first gear; 1332. a second gear; 1333. cleaning the roller; 1334. a brush; 2. a fractional precipitation device; 21. a first sedimentation tank; 22. a second sedimentation tank; 23. a water delivery assembly; 231. a water pump; 232. a water pumping pipe; 233. a water filtering ball; 234. a drain pipe; 235. a water storage pipe; 24. a stirring assembly; 241. a connecting plate; 242. a rotating shaft; 243. a first bevel gear; 244. a second bevel gear; 245. a third bevel gear; 246. stirring blades; 247; a first motor; 248. a support plate; 3. a sand and stone crushing device; 31. a fixed seat; 32. an extrusion ring; 33. grinding the crushed blocks; 34. rotating the block; 341. a squeegee; 35. a supporting seat; 351. collecting tank; 352. a guide groove; 36. a second motor; 37. a bevel gear ring; 38. a helical gear; 39. a drive mechanism; 391. a worm gear; 392. a worm; 393. and (7) fixing the plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses concrete waste water recycle system, refer to fig. 1, including setting up in concrete truck one side and fix sand and stone separator 1 on ground through pegging graft. The sand-stone separating device 1 is provided with a liquid outlet 11 and a discharge port 12. Liquid outlet 11 department is provided with the fractional precipitation device 2, and fractional precipitation device 2 is used for deposiing the waste water that sand and stone separator 1 separated out and uses. The large concrete blocks in the mixer truck are ground into small particles through the sand crushing device 3 at the discharge port 12 for repeated use. Carry out solid-liquid separation through grit separator 1 to the waste water of trucd mixer, transmit the grit that separates to the grit reducing mechanism 3 in and grind the use, deposit the use through hierarchical sediment device 2 to the waste water after filtering.

Referring to fig. 1, the sand-rock separating apparatus 1 includes a conveyor table 13, and the material of the conveyor table 13 is made of a metal material. The driving roller 131 is rotatably connected between the inner walls of the conveying table 13, the driving roller 131 is cylindrical, and the driving roller 131 is made of metal. The driving roller 131 is sleeved with a tensioned conveyor belt 132, the conveyor belt 132 is in the shape of a circular ring belt with filtering holes, and the material of the conveyor belt 132 is a metal material. The liquid outlet 11 is positioned below the conveying platform 13 and communicated with the fractional precipitation device 2. The discharge port 12 is located at the end of the conveyor belt 132 on the side near the fractional precipitation device 2. The driving roller 131 is driven by a motor to perform driving.

Referring to fig. 1, the discharge hole 12 is provided with a sweeping assembly 133 for cleaning the conveyor belt 132. The cleaning assembly 133 includes a cleaning roller 1333, and the cleaning roller 1333 is rotatably coupled between inner walls of the conveying table 13. The cleaning roller 1333 is cylindrical, and a metal material is used as the material of the cleaning roller 1333. Two ends of the rotating shaft 242 of the cleaning roller 1333 extending out are coaxially welded with a second gear 1332, and the material of the second gear 1332 is a metal material. A gear 1331 is coaxially welded at two ends of the rotating shaft 242 of the driving roller 131. The material of the first gear 1331 is a metal material. The first gear 1331 meshes with the second gear 1332. The transmission belt 132 drives the gear wheel I1331 to rotate, the cleaning roller 1333 is rotated by the gear wheel II 1332, and the transmission belt 132 is cleaned under the action of the brush 1334.

Referring to fig. 1, a switching table 121 is welded at one end of a conveyor belt 132 close to the grading and settling device 2 at a discharge port 12 for convenient material collection. The material of the adapting table 121 is a metal material. The transfer table 121 transfers the concrete waste on the conveyor belt 132 to the sand crushing device 3 for sand sedimentation processing.

Referring to fig. 1 and 2, the fractional precipitation apparatus 2 includes a first precipitation tank 21 and a second precipitation tank 22. The inner wall of the first sedimentation tank 21 is integrally formed as a concrete side wall. The second settling tank 22 is circular in shape. The first sedimentation tank 21 and the second sedimentation tank 22 collect waste materials, and the concrete water is stirred by the stirring assemblies 24 in the first sedimentation tank 21 and the second sedimentation tank 22 to collect waste water.

Referring to fig. 1 and 2, the stirring assembly 24 includes a connecting plate 241 welded to the open ends of the first sedimentation tank 21 and the second sedimentation tank 22. The connecting plate 241 has a vertical support plate 248 welded thereto. The shape of the supporting plate 248 is square, and the material of the supporting plate 248 is made of metal material. The supporting plates 248 are rotatably connected with a rotating shaft 242. The rotating shaft 242 is shaped like a cylindrical rod, and the rotating shaft 242 is made of a metal material. Two bevel gears I243 are welded on the rotating shaft 242, and the bevel gears I243 are made of metal materials. A first bevel gear 243 is engaged with a second bevel gear 244 rotating with the connecting plate 241 on the first settling tank 21. The material of the second bevel gear 244 is a metal material. The other bevel gear one 243 is meshed with a bevel gear three 245 which is rotatably connected with the connecting plate 241 above the second sedimentation tank 22. The material of the bevel gear three 245 is a metal material. The bottom ends of the rotating shafts 242 of the second bevel gear 244 and the third bevel gear 245 are fixedly connected with stirring blades 246. The shape of the stirring blade 246 is a cube, and the material of the stirring blade 246 is a metal material. One end of the rotating shaft 242 is coaxially welded with a first motor 247. The number of teeth of bevel gear two 244 is greater than the number of teeth of bevel gear three 245.

Referring to fig. 1 and 2, the water delivery assembly 23 includes a water pump 231 between the first settling tank 21 and the second settling tank 22. The water pump 231 is fixedly communicated with a water pumping pipe 232. The shape of the pumping pipe 232 is a cylindrical pipe, and the pumping pipe 232 is made of a metal material. The bottom end of the pumping pipe 232 is fixedly connected with a water filtering ball 233. In order to avoid damage caused by the water pump 231 absorbing the impurities due to the excessive impurities in the first sedimentation tank 21. The bottom of the pumping pipe 232 is provided with a bending device. The bent part of the pumping pipe 232 is fixedly communicated with a water storage pipe 235. In order to avoid the water pump 231 from idling and burning components. When the water amount is small when the first sedimentation tank 21 is pumped by the water storage pipe 235, the water storage pipe 235 can support the water source of the water pump 231 to prevent the water pump 231 from idle damage when the water pump 231 idles. The other end of the water pump 231 is welded and communicated with a drain pipe 234. The drain pipe 234 is shaped like a cylindrical pipe, and the drain pipe 234 is made of a metal material. The bottom end of the drain pipe 234 is supported by horizontal waves to reduce the impact force of the water source in the water pump 231. The end of the drain pipe 234 is formed in a circular arc shape, and the drain pipe 234 is aligned with the vortex direction in the second settling tank 22. The drain pipe 234 is prevented from stirring the wastewater in the second sedimentation tank 22 to be turbid.

Referring to fig. 1 and 3, a filter screen 111 penetrates through one end of the liquid outlet 11 close to the side wall of the first sedimentation tank 21. One end of the filter screen 111 is rotatably sleeved on the outer wall of the wind-up roll 112. The other end of the filter screen 111 is rotatably coupled to a fixed roller 113. Through rotating filter screen 111 along the fixed rod with the waste water of liquid outlet 11 department carry out primary filter, thereby remove liquid outlet 11 with filter screen 111 along the rolling of fixed roll 113 and clear up filter screen 111.

Referring to fig. 4 and 5, the sand crushing device 3 includes a fixing base 31 inserted on the ground. The inner wall of the fixed seat 31 is connected with a pressing ring 32 in a threaded manner. The crushing blocks 33 are eccentrically and rotatably connected in the extrusion ring 32. The ground piece 33 is conical in shape. The material of the grinding block 33 is metal material. The inner wall of the extrusion ring 32 is provided with a conical cavity. The ground particles 33 are received in the extrusion ring 32. The upper end of the extrusion ring 32 is welded with a cover plate for a concrete block of a mobile phone. The end of the adapter 121 abuts the upper end of the pressing ring 32. The bottom end of the grinding block 33 is eccentrically and rotatably connected with a rotating block 34. The rotating block 34 is in the shape of a cylindrical block, and the rotating block 34 is made of a metal material. The outer wall of the rotating block 34 is rotatably connected with a supporting seat 35. The supporting seat 35 is inserted on the ground, the supporting seat 35 is in a cylindrical block shape, and the supporting seat 35 is made of metal materials. The bottom end of the rotating block 34 is coaxially welded with a second motor 36. The second motor 36 drives the rolling block 33 to rotate eccentrically, so that the concrete blocks between the rolling block 33 and the extrusion ring 32 are crushed for repeated use. The bottom of the ground fragment 33 is provided with a collecting tank 351. A scraper 341 is fixedly connected to a side wall of the rotating block 34. The scraper 341 is L-shaped, and the scraper 341 abuts against the inside of the collection tank 351. The collection tank 351 is connected to a guide groove 352 disposed obliquely. The scraper 341 and the turning block 34 rotate integrally to push the concrete particles in the collecting tank 351 to the guide groove 352 for collection.

Referring to fig. 4 and 5, the fixed seat 31 is rotatably connected with a bevel gear 38. The outer wall of the bevel gear 38 engages a bevel gear rim 37 welded to the outer wall of the extrusion ring 32. The bevel gear 38 rotates to drive the bevel gear ring 37 to rotate to drive the bevel gear ring 37 to lift along the outer wall of the bevel gear 38, so that the gap between the extrusion ring 32 and the grinding block 33 is adjusted, and concrete blocks can be ground in different sizes according to requirements. The helical gear 38 is provided with a drive mechanism 39. The drive mechanism 39 includes a worm gear 391. The worm gear 391 is fixed coaxially with the rotational shaft 242 of the bevel gear 38. The material of the worm gear 391 is a metal material. The worm wheel 391 is engaged with a worm 392, and both ends of the worm 392 are rotatably connected with a fixing plate 393. The fixing plate 393 is welded to the upper end surface of the fixing seat 31. The fixing plate 393 is a square plate, and the fixing plate 393 is made of a metal material. The worm 392 is made of a metal material. One end of the worm 392 rotates through the stationary plate 393. A driving rod is welded to the penetrating end of the worm 392. The driving rod is Z-shaped, and the driving rod is made of metal materials.

The implementation principle of the concrete waste water recycling system of the embodiment of the application is as follows: the wastewater in the agitating lorry is collected and transferred to the conveying platform 13, the driving roller 131 rotates under the action of the motor to drive the conveying belt 132 to drive, the lower part of the wastewater filter paper conveying platform 13 is transferred into a first sedimentation tank 21 through a liquid outlet 11 under the action of the filter holes, the sand is filtered and collected under the action of the filter screen 111 of the liquid outlet 11, the separated sand is transferred to the adapter table 121 through the conveyor belt 132, the sand and stones with different sizes in the waste water are crushed by the sand and stone crushing device 3, the sand and stones are recycled, stirring and precipitating the wastewater by a stirring component 24 from the first precipitation to the inside, then transferring clear water precipitated in the first precipitation tank 21 to a second precipitation tank 22 by a water delivery component 23 for precipitation treatment, stirring and precipitating through the stirring component 24 in the second sedimentation tank 22, and recycling the concrete wastewater is completed.

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

1. The utility model provides a concrete waste water recycle system which characterized in that: the cleaning device comprises a sand-stone separating device (1) arranged on one side of a mixer truck, wherein the sand-stone separating device (1) is used for separating and collecting sand-stone in cleaning liquid in the mixer truck, the sand-stone separating device (1) comprises a liquid outlet (11) and a discharge hole (12), the liquid outlet (11) is used for conveying waste liquid, and the discharge hole (12) is used for conveying the separated sand-stone;

a liquid outlet (11) of the sand-stone separation device (1) is communicated with a grading precipitation device (2), the grading precipitation device (2) is arranged at the tail end of the liquid outlet (11), and the grading precipitation device (2) is used for cleaning waste liquid for recycling;

discharge gate (12) of grit separator (1) are provided with grit reducing mechanism (3), grit reducing mechanism (3) are arranged in smashing used repeatedly with the grit piece of separation department in the waste water.

2. The concrete wastewater recycling system according to claim 1, wherein: grit separator (1) is including carrying platform (13), it is connected with driving roller (131) to rotate on carrying platform (13), conveyer belt (132) of tensioning have been cup jointed between driving roller (131), be provided with the filtration pore on conveyer belt (132), liquid outlet (11) set up in the below of carrying platform (13) is close to one side of hierarchical sediment device (2) just liquid outlet (11) with hierarchical sediment device (2) intercommunication, driving roller (131) rotate under the exogenic action, discharge gate (12) set up in carry platform (13) to be located conveyer belt (132) are close to one side of hierarchical sediment device (2), discharge gate (12) are provided with cleans subassembly (133), driving roller (131) rotate under the exogenic action and drive conveyer belt (132) transmission.

3. The concrete wastewater recycling system according to claim 2, wherein: the cleaning assembly (133) comprises a first gear (1331) coaxially fixed with two ends of a transmission roller close to one side of the grading and settling device (2), a second gear (1332) rotatably connected with the conveying table (13) is meshed with the first gear (1331), a cleaning roller (1333) is coaxially and fixedly connected between the two gears (1332), and a brush (1334) is fixedly connected to the cleaning roller (1333).

4. The concrete wastewater recycling system according to claim 2, wherein: one side of discharge gate (12) is provided with switching platform (121), switching platform (121) are located carry platform (13) to be close to one side of hierarchical sediment device (2), switching platform (121) slope orientation grit reducing mechanism (3), switching platform (121) are used for transmitting the grit extremely in grit reducing mechanism (3).

5. The concrete waste water recycling system according to any one of claims 1 to 4, wherein: the fractional precipitation device (2) comprises a first precipitation tank (21) and a second precipitation tank (22), a water conveying assembly (23) is arranged between the first precipitation tank (21) and the second precipitation tank (22), a stirring assembly (24) is arranged between the first precipitation tank (21) and the second precipitation tank (22), and the stirring assembly (24) is used for stirring and precipitating wastewater in the first precipitation tank (21) and the second precipitation tank (22).

6. The concrete wastewater recycling system according to claim 5, wherein: water delivery subassembly (23) include water pump (231), water pump (231) orientation the fixed intercommunication in one side of first sedimentation tank (21) has drinking-water pipe (232), be provided with water storage pipe (235) on drinking-water pipe (232), drinking-water pipe (232) orientation one end fixedly connected with filter water ball (233) in first sedimentation tank (21), water pump (231) orientation the fixed intercommunication in one end of second sedimentation tank (22) has drain pipe (234), drain pipe (234) butt in second sedimentation tank (22).

7. The concrete wastewater recycling system according to claim 5, wherein: the stirring assembly (24) comprises connecting plates (241) fixed at the opening ends of the first sedimentation tank (21) and the second sedimentation tank (22), two supporting plates (248) are fixedly connected to the two connecting plates (241), a rotating shaft (242) is rotatably connected between the two supporting plates (248), a first bevel gear (243) is fixedly arranged on the rotating shaft (242) at the corresponding position of the connecting plate (241), the two first bevel gears (243) are respectively meshed with a second bevel gear (244) and a third bevel gear (245), the second bevel gear (244) and the third bevel gear (245) are respectively and rotatably connected to the two connecting plates (241), stirring blades (246) are respectively and fixedly connected to the ends of the rotating shaft (242) of the second bevel gear (244) and the third bevel gear (245), and the two stirring blades (246) are respectively abutted against the first sedimentation tank (21) and the second sedimentation tank (22), one end of the rotating shaft (242) penetrates through the supporting plate (248) in a rotating mode, and the extending end of the rotating shaft (242) is fixedly connected with a first motor (247).

8. The concrete wastewater recycling system according to claim 6, wherein: the drain pipe (234) orientation the one end of second sedimentation tank (22) is the level setting, the horizontal segment of drain pipe (234) is the wave setting, the play water end of drain pipe (234) is the arcuation setting, the crooked orientation of the play water end of drain pipe (234) second sedimentation tank (22) center.

9. The concrete wastewater recycling system according to claim 1, wherein: grit reducing mechanism (3) including set up in fixing base (31) of discharge gate (12), be provided with extrusion ring (32) on fixing base (31), be provided with in extrusion ring (32) and grind fragment (33), grind the eccentric fixedly connected with turning block (34) in bottom of fragment (33), the bottom fixedly connected with supporting seat (35) of turning block (34), the coaxial fixedly connected with motor two (36) in bottom of turning block (34).

10. The concrete waste water recycling system according to claim 9, wherein: the inner wall of extrusion ring (32) is the coniform setting, it is coniform to grind piece (33), extrusion ring (32) with threaded connection between fixing base (31), extrusion ring (32) are located fixedly connected with bevel gear (37) on the upper end outer wall of fixing base (31), rotate on fixing base (31) and connect helical gear (38), the upper end of helical gear (38) is provided with actuating mechanism (39), bevel gear (37) with helical gear (38) meshing rotation orders about extrusion ring (32) is followed fixing base (31) reciprocates.