CN212308974U - Concrete production waste recovery system - Google Patents
Concrete production waste recovery system Download PDFInfo
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- CN212308974U CN212308974U CN202020770569.7U CN202020770569U CN212308974U CN 212308974 U CN212308974 U CN 212308974U CN 202020770569 U CN202020770569 U CN 202020770569U CN 212308974 U CN212308974 U CN 212308974U
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Abstract
The utility model belongs to the technical field of the construction waste retrieves and specifically relates to a concrete production waste recovery system is related to. It comprises a fine sand pool; the input end of the spiral conveyer is arranged in the fine sand pool, and the output end of the spiral conveyer is arranged outside the fine sand pool; the large-particle sand and stone filter screen is arranged above the fine sand pool; the flushing pipe is arranged above the large-particle sandstone filter screen; the water storage tank is arranged on one side of the fine sand tank, the fine sand tank is communicated with the water storage tank through the fine sand filter screen of which the mesh is smaller than the large-particle sand-stone filter screen, and the bottom of the fine sand tank is parallel and level or is higher than the bottom of the water storage tank. The utility model discloses the product has all carried out recycle respectively to concrete structure's large granule grit and fine sand and waste water, the waste of the resource that has significantly reduced.
Description
Technical Field
The utility model belongs to the technical field of construction waste retrieves technique and specifically relates to a concrete production waste recovery system is related to.
Background
At present, concrete waste is generated in the processes of preparation, transfer and use of concrete, for example, the concrete waste is generated due to splashing during concrete mixing or spilling during loading, and other factors, and unnecessary resource waste is caused.
Most of the existing concrete waste recycling equipment can only recycle large-particle gravels from concrete waste through a filter screen, but the waste water filtered through the filter screen still has a lot of fine sand, the treatment on the waste water is not perfect, and the recycling is not sufficient. For example, similar publications are: CN210159262U, application date is: 08 days 05 and 2019, and the date of authorized announcement: a concrete mixing plant waste recycling system utility model patent of 20 days 03 month in 2020, this patent filters the grit that obtains big granule and the useless thick liquid of homogeneity through the filter screen to the muddy earth waste material that has washed away with the clear water, then deposits and showy debris are clear out to the collecting pit with the useless thick liquid storage of homogeneity, collects the storing pit with the waste thick liquid of handling and stir with slow antiseptic and recycle.
The above prior art solutions have the following drawbacks: can only filter the great grit of granule through the filter screen and collect, actually still can have the fine sand that can recycle in washing the waste water behind the concrete waste material, above-mentioned device does not collect it, so retrieve not abundant to the fine sand in the concrete waste material, be unfavorable for the recovery and reuse to fine sand.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can carry out concrete production waste recycling system who retrieves the coarse gravel in the concrete waste, fine sand and wash waste water, reduce the wasting of resources not enough to prior art existence.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a concrete production waste recovery system comprising:
a fine sand filter device, the fine sand filter device comprising:
a fine sand separation tank;
the fine sand filtering piece is arranged in the fine sand separation tank to divide the fine sand separation tank into a fine sand tank and a water storage tank, and the bottom of the fine sand tank is flush with or higher than the bottom of the water storage tank;
the input end of the fine sand conveyor is arranged in the fine sand pool, and the output end of the fine sand conveyor is arranged outside the fine sand pool;
the large-particle sand-stone filtering device is arranged above the fine sand filtering device and comprises a large-particle sand-stone filtering piece; and the flushing pipe is arranged above the large-particle sand-stone filtering piece.
By adopting the technical scheme, the concrete waste is placed on the large-particle sand-stone filtering piece, the concrete waste is flushed by the water flow output by the flushing pipe arranged above the large-particle sand-stone filtering piece, sand with larger particles is filtered out of the large-particle sand-stone filtering piece, the flushing water flow with fine sand leaks into the fine sand separation pool from the large-particle sand-stone filtering piece, the fine sand is filtered by the fine sand filtering piece, meanwhile, the fine sand is transported out of the fine sand pool by the fine sand transporter for recycling, and the water flow with the fine sand filtered out is separated into the water storage pool for later use; above-mentioned structure all carries out recycle respectively to concrete structure's large granule grit and fine sand and waste water, the waste of the resource that has significantly reduced, simultaneously, in the filtering process, screw conveyer also can carry out automated transportation to the grit, guarantees that the storage capacity in fine sand pond is sufficient.
The present invention may be further configured in a preferred embodiment as: the fine sand conveyor is a spiral conveyor, the spiral conveyor is arranged in an inclined mode, the input end of the spiral conveyor is a low end position, and the output end of the spiral conveyor is a high end position.
By adopting the technical scheme, in order to ensure that the capacity of the fine sand pool is sufficient and simultaneously the fine sand can be continuously filtered, the recovery efficiency is improved, the fine sand separated in the fine sand pool needs to be transported out in time, possibly mixed with certain amount of water, the fine sand carrying water is input from the input port at the lower end through the spiral conveyer and then transported to the output port at the higher end, the water carried in the fine sand flows back to the fine sand pool in the ascending process, and meanwhile, when the fine sand rotates and ascends in the spiral conveyer, the water in the fine sand is separated from the fine sand due to factors such as inertia; the secondary filtration of the fine sand is realized, the dry fine sand is obtained, the time is not needed to be spent, and the like, the fine sand is dried fully, and the recovery efficiency is improved.
The present invention may be further configured in a preferred embodiment as: the bottom of the fine sand pool is higher than that of the water storage pool.
Through adopting above-mentioned technical scheme, the bottom of the pool of fine sand pond is higher than the bottom of the pool of tank and makes and form a difference in height between tank and the fine sand pond, and rivers in the fine sand separation can be better faster flow into the tank, avoid the backward flow of rivers.
The utility model discloses can further configure to in a preferred example, large granule grit filter equipment is still including throwing the material subassembly, it locates to throw the material subassembly one side that the large granule grit filtered the piece, throw the blanking platform that the material subassembly includes blowing platform and slope setting, the one end of blanking platform high-order with the blowing platform is connected, the one end of blanking platform low-order with the marginal butt of large granule grit filter piece.
Through adopting above-mentioned technical scheme, can conveniently put in concrete waste material on the large granule grit filters piece, avoid the too high problem of not good throwing in concrete waste material in position that the large granule grit filtered piece to produce, simultaneously, the blanking platform setting through the slope setting can make on the concrete waste material filters the piece through this blanking platform slow slippage to the large granule grit, reduce directly to put in the injury that filters the piece to the large granule grit, also reduced to put in-process concrete waste material and splashed.
The present invention may be further configured in a preferred embodiment as: the large-particle sand-stone filtering device further comprises a blocking piece, the blocking piece is vertically arranged on the edge of the large-particle sand-stone filtering piece, two sides of the blocking piece are connected with two sides of the blanking table, a sand-stone discharge port is formed in the blocking piece, and the bottom end of the sand-stone discharge port is connected with the large-particle sand-stone filtering piece.
Through adopting above-mentioned technical scheme for place the concrete waste material on filtering piece when washing, can not a large amount of mud of spill, can block simultaneously that the concrete waste material can not spill from the edge of large granule grit filter screen, guarantee simultaneously that the grit discharge gate of seting up can be followed to the large granule grit after the washing exports.
The present invention may be further configured in a preferred embodiment as: the large-particle sandstone filter screen is a large-particle sandstone filter screen.
Through adopting above-mentioned technical scheme, its simple structure, and can satisfy the filterable demand of large granule grit, effective reduce cost.
The present invention may be further configured in a preferred embodiment as: at least one stirring piece and at least one water pump are also arranged in the water storage tank.
Through adopting above-mentioned technical scheme, take the rivers in the tank out the tank through the water pump and reuse, stir rivers through stirring the piece simultaneously for tiny medium that exists can not deposit the mouth that draws water that blocks up the water pump in the rivers.
The present invention may be further configured in a preferred embodiment as: the large-particle sandstone filtration device further comprises a water delivery pipe, the flushing pipe is arranged on the side wall of the blocking part in a protruding mode and is located above the large-particle sandstone filtration screen, and two ends of the water delivery pipe are connected with the water pump and the flushing pipe respectively.
Through adopting above-mentioned technical scheme, through the hydraulic piping connection water pump, will retrieve the top that carries large granule grit filter screen in the storage water tank again, wash the resource cyclic utilization of realization to the concrete waste material. Simultaneously the water pump can be for improving the pressure of rivers for when rivers flowed out water from the wash pipe, produce great impact force to mixing earth waste material, promote grit filtration efficiency.
The present invention may be further configured in a preferred embodiment as: the water pump is a submersible pump, and the submersible pump is arranged at the bottom of the water storage tank.
Through adopting above-mentioned technical scheme, when the water level in the reservoir was crossed lowly, also can be to the water in the reservoir is taken out and is utilized.
The present invention may be further configured in a preferred embodiment as: the flushing pipe comprises a discharge flushing branch pipe and a waste flushing branch pipe which are arranged above the sandstone discharge port.
Through adopting above-mentioned technical scheme, wash the branch pipe through the waste material and wash the concrete waste material, the passageway should wash by water the branch pipe and can wash its large granule grit once more at the large granule ejection of compact when the discharge, guarantee that the separation is thorough.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the utility model discloses the product has all carried out recycle respectively to concrete structure's large granule grit and fine sand and waste water, the waste of the resource that has significantly reduced.
2. Set up screw conveyer through the slope, can further separate fine sand and rivers, carry out the filtration step of more optimizing to fine sand, obtain comparatively dry fine sand.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the present invention.
In the figure, 1, a fine sand filtering device; 2. a fine sand separation tank; 3. a fine sand filter element; 4. a fine sand pool; 5. a water storage tank; 6. a fine sand conveyor; 7. a large-particle sand filtration device; 8. a large-particle sandstone filter piece; 9. a flush pipe; 10. a feeding assembly; 11. a discharge table; 12. a blanking table; 13. a stopper; 14. a discharge port; 15. a stirring member; 16. a submersible pump; 17. a water delivery pipe; 18. a discharging flushing branch pipe; 19. a waste flush branch; 20. a support bar; 21. a material leakage port; 22. an input end; 23. an output end; 24. a guide portion; 25. an auxiliary plate; 26. a partition portion; 27. a support rail; 28. a stirring rod; 29. stirring and branching; 30. a stirring motor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a concrete production waste recycling system can further separate fine sand and rivers, carries out the filtration step of more optimizing to fine sand, obtains comparatively dry fine sand. A concrete production waste recycling system includes fine sand filter equipment 1 and large granule grit filter equipment 7. The fine sand filtering device 1 comprises a fine sand separation pool 2, a fine sand filtering piece 3 and a fine sand conveyor 6; the fine sand filtering piece 3 is arranged in the fine sand separation tank 2 to divide the fine sand separation tank 2 into a fine sand tank 4 and a water storage tank 5; the input end 22 of the fine sand conveyor 6 is arranged in the fine sand pool 4, and the output end 23 of the fine sand conveyor 6 is arranged outside the fine sand pool 4. Large granule grit filter equipment 7 locates 1 top of fine sand filter equipment, and large granule grit filter equipment 7 includes that large granule grit filters piece 8 and locates the top that large granule grit filtered piece 8 and wash water pipe 9 and throw material subassembly 10, in this embodiment, large granule grit filters the piece and is the large granule grit filter screen.
The implementation principle of the embodiment is as follows: the concrete waste material moves to the large-particle sand-stone filter screen through the feeding component 10, meanwhile, the concrete waste material is flushed through water flow output by the flushing pipe 9 arranged above the large-particle sand-stone filter screen, sand with larger particles is filtered out from the large-particle sand-stone filter screen, flushing water flow with fine sand leaks into the fine sand separation pool 2 from the large-particle sand-stone filter screen, and the fine sand is filtered through the fine sand filter 3, so that the fine sand cannot enter the water storage pool through the fine sand filter 3; meanwhile, the fine sand is transported to the outside of the fine sand pool 4 by the fine sand transporter 6 for recycling, and the water flow with the fine sand filtered out is separated to the water storage pool 5 for later use; above-mentioned structure all carries out recycle respectively to the large granule grit in the concrete waste material and fine sand and waste water, the waste of the resource that has significantly reduced.
As shown in fig. 1 and 2, in order to conveniently throw the concrete waste onto the large-particle sand-gravel filter screen, the feeding assembly 10 comprises a feeding table 11 and a blanking table 12 which is obliquely arranged, wherein the high end of the blanking table 12 is connected with the feeding table 11, and the low end of the blanking table 12 is abutted against the edge of the large-particle sand-gravel filter screen. The blanking table 12 that sets up through the slope sets up, can make the concrete waste material through this blanking table 12 slow cunning to the large granule grit filter screen on, reduce directly to put in the injury to the large granule grit filter screen, also reduced to put in the in-process concrete waste material and splashed. In this embodiment, the discharge platform 11 includes a portion that is inclined to the ground and a horizontal portion to facilitate the transportation of the concrete waste.
As shown in fig. 1 and 2, when washing in order to guarantee that the concrete placed on the large-granule gravel filter screen is washed, a large amount of mud can not spill, can block the concrete waste material simultaneously and can not spill from the edge of large-granule gravel filter screen, so large-granule gravel filter 7 still includes fender piece 13, keep off piece 13 and set up the edge of large-granule gravel filter screen immediately, keep off piece 13 and be rectangular board and enclose around locating the large-granule gravel filter screen, keep off the both sides of piece 13 and the both sides fixed connection of blanking platform 12, keep off and seted up grit discharge gate 14 on the piece 13. The bottom end of the sandstone discharge port 14 is connected with a large-particle sandstone filter screen. Meanwhile, the cleaned large-particle sand can be output from the sand outlet 14. Specifically, in order to satisfy the requirement that large-particle sand can be rapidly discharged in a large scale, the sand discharge port 14 penetrates through the upper and lower ends of the stopper 13.
Specifically, in the embodiment, as shown in fig. 1, the flushing pipe 9 is protruded on the sidewall of the blocking member 13 and is located above the large-particle sand filter screen, the flushing pipe 9 passes through the blocking member 13 and is communicated with the water conveying pipe 17, and the water conveying pipe 17 is arranged on the outer sidewall of the blocking member 13. The flushing pipe 9 comprises a discharge flushing branch pipe 18 and a waste flushing branch pipe 19 which are arranged above the sandstone discharge port 14; further wash of large granule grit, the slope of the wash pipe 9 of locating 14 tops of grit discharge gate sets up and the delivery port is just to the large granule grit filter screen to better wash the large granule grit, the slope of other wash pipes 9 sets up and is relative with blanking platform 12 positions, the rivers accessible water pressure control of wash pipe 9 or directly erode on blanking platform 12, or fall on the large granule grit filter screen.
As shown in fig. 1 and 2, the large-particle sand is separated by cleaning more cleanly; two supporting cross bars 27 are arranged above the large-particle sandstone filtration net, and two ends of the supporting cross bars 27 are connected on the side wall of the blocking piece 13. Specifically, in the present embodiment, one of the support bars 27 is disposed above the sand outlet 14, so as to limit the flow of sand to the outlet 14 and prevent the unwashed sand from flowing out of the outlet 14. Support horizontal pole 27 through setting up and can contact with the concrete waste material of whereabouts, prevent that the concrete waste material from gluing together.
Specifically, as shown in fig. 2, in the present embodiment, the fine sand pool 4 and the water storage pool 5 are both disposed below the large-granule gravel filter, the fine sand filter 3 is a fine sand filter with a mesh smaller than the large-granule gravel filter, and the fine sand filter is divided into two parts, specifically, a guide part 24 disposed above the water storage pool 5 and a partition part 26 disposed between the fine sand pool 4 and the water storage pool 5 to realize the partition therebetween. One end of the guide part 24 is directly connected with the edge of the large-particle sand filter screen, the other end of the guide part 24 is connected with the top end of the partition part 26, and the two sides of the guide part 24 are respectively and vertically provided with auxiliary plates 25 connected with the edge of the large-particle sand filter screen, so that fine sand is prevented from being separated from the two sides of the guide part 24. The fine sand tank 4 is used for storing fine sand separated by the fine sand filter screen, and the water storage tank 5 is used for storing water separated by the fine sand filter screen. The setting of guide part 24 and accessory plate 25 is that the fine sand that has filtered out for guaranteeing large granule grit filter screen can both filter the fine sand pond 4 in the fine sand among the thin husky washing water stream of filtering, and in other embodiments, the side of fine sand pond 4 also can be located but is not located the below of large granule grit filter screen or the below of fine sand pond 4 is located to reservoir 5, specifically the utility model discloses do not specifically prescribe a limit.
Further, in order to prevent the water flow from flowing back and increase the fine sand separation efficiency, the bottom of the fine sand pool 4 is higher than the bottom of the water storage pool 5, and the bottom of the fine sand pool 4 is inclined towards the direction close to the bottom of the water storage pool 5, so that the water flow is conveniently filtered into the water storage pool 5.
As shown in fig. 2, in order to ensure the dryness of the output fine sand, the fine sand conveyor 6 is a screw conveyor, the screw conveyor is arranged obliquely, the input end 22 of the screw conveyor is a low end, and the output end 23 of the screw conveyor is a high end. In order to ensure that the capacity of the fine sand pool 4 is sufficient and the fine sand can be continuously filtered, so that the recovery efficiency is improved, the fine sand separated in the fine sand pool 4 needs to be transported out in time, possibly mixed with a certain amount of water, the fine sand carrying moisture is input from the input port at the low end position through the spiral conveyer and then transported to the output port 23 at the high end position, the moisture carried in the fine sand can flow back to the fine sand pool 4 in the ascending process, and meanwhile, when the fine sand rotates and ascends in the spiral conveyer, the moisture in the fine sand can be separated from the fine sand due to factors such as inertia; the secondary filtration of the fine sand is realized, the dry fine sand is obtained, the time is not needed to be spent, and the like, the fine sand is dried fully, and the recovery efficiency is improved.
Specifically, as shown in fig. 2 in this embodiment, the fixed bracing piece 20 that is equipped with in opening top in fine sand pond 4, bracing piece 20 screw conveyer fixed connection, realize spacing to the screw conveyer through bracing piece 20, the input 22 of screw conveyer and the bottom fixed connection in fine sand pond 4, the output 23 of screw conveyer is equipped with drain 21, a fine sand for transporting output 23 leaks through drain 21, specifically, the below of large granule grit filter screen is located in the protrusion of fine sand pond 4 and reservoir 5 part, make things convenient for the installation of other structures.
As shown in fig. 1 and 2, the water flow in the reservoir 5 is reused for convenience, and the clogging of the discharge pipe does not occur when the water flow is discharged. The bottom of the water storage pool 5 is also provided with at least one stirring piece 15 and at least one water pump fine sand pool 4 which is higher than the bottom of the water storage pool 5. Specifically, in the present embodiment, the water pump is a submersible pump 16, and is provided with one water pump and is arranged at the bottom of the water storage tank 5; the stirring part 15 is provided with one stirring part, which comprises a stirring motor 30 and a stirring rod 28 arranged inside the water storage pool 5, the stirring rod 28 is provided with a plurality of stirring branches 29, the top end of the water storage pool 5 higher than the large-particle sandstone filter screen is provided with a supporting cross bar 27, the stirring motor 30 is arranged on the supporting cross bar 27, the output end 23 of the stirring motor 30 faces the water storage pool 5, and the stirring rod 28 is arranged at the output end 23 of the stirring motor 30 and is vertically accommodated in the stored water. The stirring motor 30 drives the stirring rod 28 to rotate and stir, so as to prevent the tiny medium deposition existing in the water flow in the water storage tank 5 from blocking the water pumping port of the water pump. In other embodiments, the water pump can be the suction pump etc. and the number of water pump and stirring piece 15 can be adjusted according to the size of tank 5, embodiment the utility model discloses do not specifically limit.
As shown in fig. 2, in order to better realize the recycling of resources, the concrete production waste recycling system further comprises a water pipe 17 connected with the flushing pipe 9, the output end 23 of the submersible pump 16 is in fluid communication with the water pipe 17, water flow is conveyed to the upper part of the large-particle sandstone filter screen through the flushing pipe 9 to be flushed, and the concrete waste is flushed to realize the recycling of resources.
The implementation principle of the embodiment is as follows: the staff will treat the concrete waste who retrieves through blowing platform 11 and put in blanking platform 12, place the concrete waste on the blanking platform 12 that the slope set up can slowly glide simultaneously control water pressure and erode the concrete waste in the gliding through wash pipe 9 under the action of gravity, adjust water pressure and erode the filter screen that falls on the large granule grit filter screen after first scouring over completion, prevent to erode the rivers of in-process and splash through keeping off piece 13, erode and discharge big grit through discharge gate 14 after accomplishing. Carry out the secondary filter through the fine sand filter screen of locating big grit below to the rivers in the washing waste water simultaneously, the fine sand storage that will filter out in fine sand pond 4, carry out secondary drying process to fine sand simultaneously through the spiral transport machine of slope setting with the fine sand discharge. The water flow with the fine sand filtered out is stored in the water storage pool 5, is pumped out by a water pump and is connected with a water delivery pipe 17, and is conveyed to a flushing pipe 9 through the water delivery pipe 17 to realize secondary flushing utilization; the water in the water storage tank 5 is continuously stirred by the stirring rod 28 while the water pump pumps water, so that other fine media in the water are prevented from depositing and blocking the water pump.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. A concrete production waste recovery system, comprising:
the fine sand filtering device (1), wherein the fine sand filtering device (1) comprises a fine sand separation pool (2); the fine sand filtering piece (3) is arranged in the fine sand separation tank (2) to divide the fine sand separation tank (2) into a fine sand tank (4) and a water storage tank (5), and the bottom of the fine sand tank (4) is flush with or higher than that of the water storage tank (5); the input end (22) of the fine sand conveyor (6) is arranged in the fine sand pool (4), and the output end (23) of the fine sand conveyor (6) is arranged outside the fine sand pool (4);
large granule grit filter equipment (7), large granule grit filter equipment (7) are located fine sand filter equipment (1) top, large granule grit filter equipment (7) include: a large particle sand filter (8); and the flushing pipe (9), the flushing pipe (9) is arranged above the large-particle sandstone filtering piece (8).
2. A concrete production waste recycling system according to claim 1, characterized in that the fine sand conveyor (6) is a screw conveyor, which is arranged at an incline, the input end (22) of which is at a low end and the output end (23) of which is at a high end.
3. A concrete production waste recycling system according to claim 1, characterized in that the bottom of the fine sand tank (4) is higher than the bottom of the water storage tank (5).
4. The concrete production waste recycling system according to claim 1, wherein the large-granule sand filter device (7) further comprises a feeding assembly (10), the feeding assembly (10) is arranged on one side of the large-granule sand filter element (8), the feeding assembly (10) comprises a discharging platform (11) and an obliquely arranged blanking platform (12), one high end of the blanking platform (12) is connected with the discharging platform (11), and one low end of the blanking platform (12) abuts against the edge of the large-granule sand filter element (8).
5. The concrete production waste recycling system according to claim 4, wherein the large-particle sand filtering device (7) further comprises a stopper (13), the stopper (13) is vertically arranged on the edge of the large-particle sand filtering member (8), two sides of the stopper (13) are connected with two sides of the blanking table (12), a sand outlet (14) is formed in the stopper (13), and the bottom end of the sand outlet (14) is connected with the large-particle sand filtering member (8).
6. A concrete production waste recovery system according to claim 5, wherein the large particle sand filter (8) is a large particle sand screen.
7. A concrete production waste recycling system according to claim 6, characterized in that at least one stirring member (15) and at least one water pump are further provided in the reservoir (5).
8. The concrete production waste recycling system according to claim 7, wherein the large-particle sand filtering device (7) further comprises a water pipe (17), the flushing pipe (9) is arranged on the side wall of the blocking member (13) in a protruding manner and is located above the large-particle sand filtering net, and two ends of the water pipe (17) are respectively connected with the water pump and the flushing pipe (9).
9. A concrete production waste recovery system according to claim 7, wherein the water pump is a submersible pump (16), and the submersible pump (16) is arranged at the bottom of the water storage tank (5).
10. A concrete production waste recycling system according to claim 5, wherein the flushing pipe (9) comprises a discharge flushing branch (18) and a waste flushing branch (19) above the sand outlet (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020770569.7U CN212308974U (en) | 2020-05-11 | 2020-05-11 | Concrete production waste recovery system |
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| CN202020770569.7U CN212308974U (en) | 2020-05-11 | 2020-05-11 | Concrete production waste recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307338A (en) * | 2022-01-04 | 2022-04-12 | 北京中实上庄混凝土有限责任公司 | Concrete recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307338A (en) * | 2022-01-04 | 2022-04-12 | 北京中实上庄混凝土有限责任公司 | Concrete recovery system |
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