CN220056564U - Concrete waste slurry sand and stone separation recovery unit - Google Patents
Concrete waste slurry sand and stone separation recovery unit Download PDFInfo
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- CN220056564U CN220056564U CN202320867591.7U CN202320867591U CN220056564U CN 220056564 U CN220056564 U CN 220056564U CN 202320867591 U CN202320867591 U CN 202320867591U CN 220056564 U CN220056564 U CN 220056564U
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- 239000002699 waste material Substances 0.000 title claims abstract description 101
- 239000002002 slurry Substances 0.000 title claims abstract description 95
- 239000004576 sand Substances 0.000 title claims abstract description 77
- 239000004567 concrete Substances 0.000 title claims abstract description 54
- 238000000926 separation method Methods 0.000 title claims abstract description 49
- 239000004575 stone Substances 0.000 title claims abstract description 36
- 238000011084 recovery Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000004062 sedimentation Methods 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 238000000746 purification Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000001556 precipitation Methods 0.000 description 10
- 239000002245 particle Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 229910001576 calcium mineral Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003113 dilution method Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a concrete waste slurry sand and stone separation and recovery device, which comprises a waste hopper, a lifting machine assembly, a plurality of sand and stone separation and recovery devices, a sand and stone separation and recovery device and a sand and stone separation and recovery device, wherein the lifting machine assembly comprises a lifting belt which circularly operates, and a plurality of net baskets which are arranged on the lifting belt at intervals; a slurry sedimentation tank is arranged on one side of the waste hopper, the waste hopper is connected to the slurry sedimentation tank through a first conveying pipeline, and a sand discharge pipe assembly is arranged in the slurry sedimentation tank and used for discharging fine sand precipitated in the slurry sedimentation tank; the upper part of the slurry settling tank is also connected to a water separation purifier through a second conveying pipeline. The device can separate the waste concrete slurry produced by the concrete mixing plant layer by layer, so that the sand stone and water in the waste concrete slurry are completely separated, the water quality is clean and clear, the sand stone and water obtained by separation can be reused respectively, and the recycled waste concrete slurry is put into concrete production again to form circulation, thereby saving resources.
Description
Technical Field
The utility model relates to the technical field of waste slurry recovery treatment, in particular to a concrete waste slurry sand and stone separation recovery device.
Background
The waste concrete slurry is cement slurry waste liquid produced in the production or use process of concrete in a mixing station and mainly consists of a mixture of cement, sand and stone, water and concrete additives. Concrete waste slurries typically contain highly alkaline waste materials of hazardous materials, having pH values up to 11 or above, and also contain significant amounts of calcium ions, minerals and other chemicals. When the waste pulp directly flows into the water body without treatment, serious pollution to the water body is caused, and huge harm is generated to the ecological environment of surrounding areas. Therefore, in order to avoid the harm of the concrete waste slurry to the environment, the waste slurry needs to be managed and treated. The current common concrete waste slurry treatment method mainly comprises the following steps: curing treatment, precipitation treatment, separation screening, dilution method and the like, a series of sand and stone separation and waste slurry recovery equipment is often used in a mixing plant to separate, collect and recycle concrete waste slurry, but when the existing concrete sand and stone separator is used for sand and stone separation of waste concrete, concrete waste is directly placed into an ordinary sand and stone separator, so that on one hand, the problem that aggregates mixed in the waste concrete wet material cannot be completely separated thoroughly due to high viscosity of the waste concrete wet material exists; on the other hand, the discharged slurry still contains a lot of fine sand and harmful substances with less particles, and the separation effect is poor and the efficiency is low.
Therefore, the concrete waste slurry and sand separating and recycling device has the advantages of good sand and sand separating effect, small content of slurry fine sand and harmful substances, high automation degree, low cost and high efficiency, and aims at the defects of the traditional concrete waste slurry separating treatment of the mixing plant.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a concrete waste slurry sand and stone separation and recovery device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the device comprises a waste hopper for containing concrete waste slurry, wherein a lifting machine component is arranged on the waste hopper and comprises a lifting belt which runs circularly and a plurality of basket bodies which are arranged on the lifting belt at intervals, the lifting belt is obliquely arranged, one end of the lifting belt stretches into the waste hopper, and the other end of the lifting belt stretches out; a slurry sedimentation tank is arranged on one side of the waste hopper, the waste hopper is connected to the slurry sedimentation tank through a first conveying pipeline, and a sand discharge pipe assembly is arranged in the slurry sedimentation tank and used for discharging fine sand precipitated in the slurry sedimentation tank; the upper part of the slurry settling tank is also connected to a water separation purifier through a second conveying pipeline.
This concrete waste slurry grit separation recovery unit can carry out layer upon layer separation treatment to the concrete waste slurry that concrete mixing plant produced, makes grit and the water in the concrete waste slurry completely separate, and the quality of water is clean clear moreover, and grit and the water that the separation obtained can also be recycled respectively, drops into the concrete production once more, forms the circulation, resources are saved.
The hoisting machine component can separate and discharge broken stone and sand materials with larger particle sizes in the waste hopper through a hoisting belt and a basket arranged on the hoisting machine component, so that the first sand-stone separation is completed; through the circulation operation of lifting belt, the basket is from the waste material pocket in the bottom, and ascending in-process water and fine sand flow out from the basket and flow back to the waste hopper again, and the basket is after lifting belt peak, and the basket is invertd, and the grit that separates out directly falls to ground, and the basket continues down to move to in the waste hopper, after contacting with water, can also wash the grit on belt and the basket, avoids waste slurry to pile up the sieve mesh of jam basket.
Through the continuous operation of the elevator component, coarse sand in the waste hopper can be greatly reduced, and the waste hopper is mainly composed of fine sand and water gradually; conveying fine sand and water to the slurry precipitation tank through the first conveying pipeline, separating the fine sand and the slurry water through standing precipitation, and discharging the fine sand in the slurry precipitation tank by utilizing the sand discharging pipe assembly to finish the second separation; after the sedimentation treatment, the content of fine sand in the slurry at the middle and upper parts is relatively low, and the slurry is discharged into the water separation purifier through the second conveying pipeline for further purification treatment, so that clean and clear water is obtained.
Further, the basket is detachably connected to the lifting belt through the bolts, the cross section of the basket is of a U-shaped structure, the openings of the basket are provided with holes with the size not larger than 0.3mm, and coarse sand and gravel with the size larger than 0.3mm can be separated.
The basket is convenient to assemble and disassemble, if a single basket is damaged, the damaged basket can be directly replaced, and the early-stage cost and the later-stage cost are low.
Furthermore, the inner side of the lifting belt can be further provided with a connecting plate correspondingly connected with the basket, and the arrangement of the connecting plate can form an inner backing plate so as to facilitate connecting bolts. And the middle parts of the peripheries of the driving shaft, the driven shaft and the supporting shaft in the lifting belt are respectively provided with a yielding groove, so that when the lifting belt runs, the end parts of the connecting plates and the bolts can pass through, and no movement interference is generated.
Further, the elevator assembly further comprises an elevator support for supporting the elevator belt, the elevator support is arranged on the ground and/or the waste hopper, a platform is arranged on the elevator support, a driving motor is arranged on the platform, and the driving motor is connected with a driving shaft of the elevator belt through a transmission assembly.
The driving shaft is driven to rotate by the driving motor, so that the lifting belt is driven to run, and the elevator support is built according to actual engineering conditions, so that the lifting belt can be stably supported.
Further, the waste hopper is arranged on the supporting frame, a conveying assembly is further arranged at the inner bottom of the waste hopper, and the conveying assembly faces to the direction of the lifting belt. The conveying assembly is a conveying belt or a vibrating elevator belt, concrete waste slurry is conveyed to the lifting belt in a vibrating mode, waste slurry is prevented from being accumulated, lifting of the waste slurry by the lifting machine is facilitated, and the conveying belt or a driving motor of the vibrating elevator belt can be placed at the outer bottom of the waste hopper.
Further, first pipeline with second pipeline is stainless steel pipeline respectively, still be equipped with the aperture in the first pipeline and be not more than 0.3 mm's filter screen, can prevent that the large granule grit from getting into the pipeline.
Further, the sand discharge pipe assembly is a spiral discharge pipe, the spiral discharge pipe is obliquely arranged, one end of the spiral discharge pipe extends into the bottom of the slurry settling tank, and the other end of the spiral discharge pipe extends to the outside.
Further, the water separation purifier comprises a water purification unit and a centrifugal unit, the second conveying pipeline is communicated to the centrifugal unit, a discharge hole is formed in the lower portion of the centrifugal unit, a water outlet of the centrifugal unit is connected to the water purification unit through a pipeline, and the water purification unit can be arranged above the centrifugal unit and communicated through the pipeline.
The centrifugal unit is a centrifugal machine, the purifying unit is a water purifier, slurry water is further treated through rotary centrifugal action, separated fine sand with heavier mass is sprayed out from a discharge hole at the bottom, separated lighter water is pumped to the water purifier at the upper part, the water is further purified, and the water is discharged from a water outlet after being treated. The water separation purifier can also select a commercially available water sand centrifugal filter to separate and filter residual sand and water.
Compared with the prior art, the utility model has the beneficial effects that: 1. the concrete waste slurry and sand stone separation and recovery device can perform layer-by-layer separation treatment on the concrete waste slurry generated by the concrete mixing plant, so that sand stone and water in the concrete waste slurry are completely separated, the water quality is clean and clear, the separated sand stone and water can be recycled respectively and put into concrete production again to form circulation, and resources are saved; 2. the hoisting machine component can separate and discharge broken stone and sand materials with larger particle sizes in the waste hopper through a hoisting belt and a basket arranged on the hoisting machine component, so that the first sand-stone separation is completed; the basket is turned upside down after the waste is packed from the bottom to pass through the highest point of the lifting belt, the separated sand and stone in the basket directly falls to the ground, the basket continues to move downwards into the waste hopper, and the sand and stone on the belt and the basket can be cleaned after the basket contacts with water, so that the phenomenon that the waste slurry is accumulated to block the sieve holes of the basket is avoided; 3. separating fine sand and slurry water through standing and precipitating of the slurry precipitation tank, and discharging the fine sand in the slurry precipitation tank by utilizing the sand discharge pipe assembly to finish the second separation; after the sedimentation treatment, the content of fine sand in the slurry at the middle and upper parts is relatively low, and the slurry is discharged into the water separation purifier through the second conveying pipeline for further purification treatment, so that clean and clear water is obtained.
Drawings
FIG. 1 is a schematic structural view of a concrete waste slurry sand and stone separation and recovery device of the utility model;
FIG. 2 is a schematic plan layout view of a concrete waste slurry sand and stone separation and recovery device of the utility model;
FIG. 3 is a schematic structural view of the elevator assembly of the present utility model;
FIG. 4 is a schematic view of the construction of the lifting belt of the present utility model;
FIG. 5 is a schematic view of the cross-sectional structure A-A of FIG. 4;
in the figure: 1. a waste hopper; 2. lifting the belt; 201. a driving shaft; 202. a relief groove; 3. a basket; 4. a hoist bracket; 5. a driving motor; 6. a support frame; 7. a first delivery conduit; 8. a slurry precipitation tank; 9. a spiral discharging pipe; 10. a second delivery conduit; 11. a water separation purifier; 12. a transfer assembly; 13. a bolt; 14. and (5) connecting a plate.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present utility model, are within the scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and 2, the concrete waste slurry and sand separating and recycling device comprises a waste hopper 1 for containing concrete waste slurry, wherein a lifting machine assembly is arranged on the waste hopper 1 and comprises a lifting belt 2 which is in circulation operation and a plurality of basket 3 which are arranged on the lifting belt 2 at intervals, the lifting belt 2 is obliquely arranged, one end of the lifting belt 2 stretches into the waste hopper 1, and the other end of the lifting belt stretches out; a slurry sedimentation tank 8 is arranged on one side of the waste hopper 1, the waste hopper 1 is connected to the slurry sedimentation tank 8 through a first conveying pipeline 7, and a sand discharge pipe assembly is arranged in the slurry sedimentation tank 8 and used for discharging fine sand precipitated in the slurry sedimentation tank; the upper part of the slurry settling tank 8 is also connected to a water separation purifier 11 through a second conveying pipe 10.
This concrete waste slurry grit separation recovery unit can carry out layer upon layer separation treatment to the concrete waste slurry that concrete mixing plant produced, makes grit and the water in the concrete waste slurry completely separate, and the quality of water is clean clear moreover, and grit and the water that the separation obtained can also be recycled respectively, drops into the concrete production once more, forms the circulation, resources are saved.
The hoisting machine component can separate and discharge broken stone and sand with larger particle sizes in the waste hopper through the hoisting belt 2 and the basket 3 arranged on the hoisting machine component, so that the first sand-stone separation is completed; through the circulation operation of lifting belt 2, basket 3 is from the waste material pocket in the bottom, and in-process water and fine sand that rises flows out from basket 3 and flows back to waste hopper 1 again, and basket 3 is after lifting belt peak, and basket 3 inverts, and the grit that separates out is directly fallen to ground, and basket 3 continues to move down to waste hopper 1 in, after contacting with water, can also wash the grit on belt and the basket 3, avoids waste slurry to pile up the sieve mesh of jam basket 3.
Through the continuous operation of the elevator component, coarse sand in the waste hopper can be greatly reduced, and the waste hopper 1 is mainly composed of fine sand and water gradually; conveying fine sand and water to the slurry settling tank 8 through the first conveying pipeline 7, separating the fine sand and slurry water through standing and settling, and discharging the fine sand in the slurry settling tank 8 by utilizing the sand discharging pipe assembly to finish the second separation; after the sedimentation treatment, the content of fine sand in the slurry at the middle and upper parts is relatively small, and the slurry is discharged into the water separation purifier 11 through the second conveying pipeline 10 for further purification treatment, so that clean and clear water is obtained.
Furthermore, additives such as a flocculating agent and the like can be added into the slurry precipitation tank 8 to accelerate precipitation separation of slurry.
Further, the basket 3 is detachably connected to the lifting belt 2 through the bolts 13, the cross section of the basket 3 is of a U-shaped structure, the openings of the basket 3 are provided, the mesh size of the basket 3 is not more than 0.3mm, and coarse sand and gravel above 0.3mm can be separated.
The basket 3 is convenient to assemble and disassemble, if a single basket 3 is damaged, the basket 3 corresponding to the damage can be directly replaced, and the early-stage cost and the later-stage cost are low.
Furthermore, the inner side of the lifting belt 2 may be further provided with a connection plate 14 correspondingly connected with the basket 3, and the connection plate 14 may be provided with a pad plate on the inner side, so as to facilitate connection of the bolts. The outer circumferences of the driving shaft 201, the driven shaft and the supporting shaft in the lifting belt 2 are respectively provided with a yielding groove 202 in the middle part, so that when the lifting belt 2 runs, the ends of the connecting plate 14 and the bolt 13 can pass through without generating motion interference.
Further, the elevator assembly further comprises an elevator support 4 for supporting the elevator belt 2, the elevator support 4 is arranged on the ground and/or on the waste hopper, a platform is arranged on the elevator support 4, a driving motor 5 is arranged on the platform, and the driving motor 5 is connected with a driving shaft of the elevator belt 2 through a transmission assembly. The drive assembly may be a pulley and a drive belt.
The driving shaft is driven to rotate by the driving motor 5, so that the lifting belt 2 is driven to run, and the lifting machine support 4 is built according to actual engineering conditions, so that the lifting belt can be stably supported.
Further, the waste hopper 1 is arranged on the supporting frame 6, a conveying assembly 12 is further arranged at the inner bottom of the waste hopper 1, and the conveying assembly 12 is arranged towards the lifting belt 2. The conveying assembly can be a conveying belt which is obliquely arranged, concrete waste slurry is vibrated to be conveyed to the lifting belt by means of slopes and transmission, waste slurry is prevented from being accumulated, lifting of the waste slurry by a lifting machine is facilitated, and a driving motor of the conveying belt can be placed at the outer bottom of the waste hopper.
Further, the first conveying pipeline 7 and the second conveying pipeline 10 are respectively stainless steel pipelines, and a filter screen with the aperture not more than 0.3mm is further arranged in the first conveying pipeline 7, so that large-particle sand and stone can be prevented from entering the pipelines.
Further, the sand discharge pipe assembly is a spiral discharge pipe 9, the spiral discharge pipe 9 is obliquely arranged, one end of the spiral discharge pipe extends into the bottom of the slurry precipitation tank 8, and the other end of the spiral discharge pipe extends to the outside. A spiral auger is arranged in the spiral discharging pipe 9.
Further, the water separation purifier 11 includes a water purifying unit and a centrifugal unit, the second conveying pipeline 10 is communicated to the centrifugal unit, a discharge port is arranged below the centrifugal unit, and the water purifying unit is arranged above the centrifugal unit and is communicated through a pipeline.
The centrifugal unit is a centrifugal machine, the purifying unit is a water purifier, slurry water is further treated through rotary centrifugal action, separated fine sand with heavier mass is sprayed out from a discharge hole at the bottom, separated lighter water is pumped to the water purifier at the upper part, the water is further purified, and the water is discharged from a water outlet after being treated.
By arranging the position and orientation of the lifting belt 2, the spiral discharge pipe 9 and the discharge opening of the centrifugal unit, it is possible to stack the separated sand in a single area.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The concrete waste slurry sand stone separation and recovery device is characterized by comprising a waste hopper for containing concrete waste slurry, wherein a lifting machine component is arranged on the waste hopper and comprises a lifting belt which runs circularly and a plurality of basket nets which are arranged on the lifting belt at intervals, the lifting belt is obliquely arranged, one end of the lifting belt stretches into the waste hopper, and the other end of the lifting belt stretches out outwards; a slurry sedimentation tank is arranged on one side of the waste hopper, the waste hopper is connected to the slurry sedimentation tank through a first conveying pipeline, and a sand discharge pipe assembly is arranged in the slurry sedimentation tank and used for discharging fine sand precipitated in the slurry sedimentation tank; the upper part of the slurry settling tank is also connected to a water separation purifier through a second conveying pipeline.
2. The concrete waste slurry sand stone separation and recovery device according to claim 1, wherein the basket is detachably connected to the lifting belt through bolts, the section of the basket is of a U-shaped structure, openings of the basket are arranged, and the mesh size of the basket is not more than 0.3mm.
3. The concrete waste slurry sand and stone separation and recovery device according to claim 1, wherein the elevator assembly further comprises an elevator bracket supporting the elevator belt, the elevator bracket is arranged on the ground and/or the waste hopper, a platform is arranged on the elevator bracket, a driving motor is arranged on the platform, and the driving motor is connected with a driving shaft of the elevator belt through a transmission assembly.
4. The concrete waste slurry sand and stone separation and recovery device according to claim 1, wherein the waste hopper is arranged on the supporting frame, a conveying assembly is further arranged at the inner bottom of the waste hopper, and the conveying assembly is arranged towards the lifting belt.
5. The concrete waste slurry sand stone separation and recovery device according to claim 1, wherein the first conveying pipeline and the second conveying pipeline are respectively stainless steel pipelines, and a filter screen with the aperture not more than 0.3mm is further arranged in the first conveying pipeline.
6. The concrete waste slurry sand and stone separation and recovery device according to claim 1, wherein the sand discharge pipe assembly is a spiral discharge pipe, the spiral discharge pipe is obliquely arranged, one end of the spiral discharge pipe extends into the bottom of the slurry settling tank, and the other end of the spiral discharge pipe extends to the outside.
7. The concrete waste slurry sand and stone separation and recovery device according to claim 1, wherein the water separation and purification machine comprises a water purification unit and a centrifugal unit, the second conveying pipeline is communicated to the centrifugal unit, a discharge hole is arranged below the centrifugal unit, and a water outlet of the centrifugal unit is connected to the water purification unit through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320867591.7U CN220056564U (en) | 2023-04-18 | 2023-04-18 | Concrete waste slurry sand and stone separation recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320867591.7U CN220056564U (en) | 2023-04-18 | 2023-04-18 | Concrete waste slurry sand and stone separation recovery unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220056564U true CN220056564U (en) | 2023-11-21 |
Family
ID=88760028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320867591.7U Active CN220056564U (en) | 2023-04-18 | 2023-04-18 | Concrete waste slurry sand and stone separation recovery unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220056564U (en) |
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- 2023-04-18 CN CN202320867591.7U patent/CN220056564U/en active Active
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