CN215276080U - Gravel recycling and screening system for concrete mixing plant - Google Patents
Gravel recycling and screening system for concrete mixing plant Download PDFInfo
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- CN215276080U CN215276080U CN202121723851.0U CN202121723851U CN215276080U CN 215276080 U CN215276080 U CN 215276080U CN 202121723851 U CN202121723851 U CN 202121723851U CN 215276080 U CN215276080 U CN 215276080U
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Abstract
The utility model relates to a grit screening system is retrieved to concrete mixing plant, it includes the frame, be provided with a screening section of thick bamboo and promotion subassembly in the frame, a screening section of thick bamboo rotates to be connected in the frame, be provided with a plurality of sieve meshes on the screening section of thick bamboo, it includes axis of rotation, fixed helical blade, the drive axis of rotation pivoted power spare of setting in the axis of rotation to promote the subassembly, the axis of rotation is coaxial with a screening section of thick bamboo, helical blade with screening section of thick bamboo inside wall clearance fit, still install the drive in the frame screening section of thick bamboo pivoted drive assembly, and the rotation opposite direction of a screening section of thick bamboo and axis of rotation. This application has screening effectual, advantage that separation efficiency is high.
Description
Technical Field
The application relates to the technical field of concrete production, in particular to a sand and stone recycling screening system for a concrete mixing plant.
Background
With the increasing awareness of environmental protection, the wastewater from concrete mixing plant is becoming the focus of social attention in the building industry, and is also an important content for evaluating green production. The waste water from concrete mixing plant is usually produced by flushing concrete mixers and concrete transport equipment. On one hand, the concrete waste water contains a large amount of silt, stone and other building raw materials, and on the other hand, the concrete waste water can cause serious pollution to the environment if directly discharged.
Therefore, the concrete needs to be treated, silt and stones in the concrete are screened and recycled, and then the residual wastewater is used for producing the concrete after blending, homogenizing and aging treatment, so that the resource is saved, and the concrete is green and environment-friendly.
SUMMERY OF THE UTILITY MODEL
In order to carry out fine recycle to concrete waste water, save the resource, this application provides a grit screening system is retrieved to concrete mixing plant.
The application provides a pair of grit screening system is retrieved to concrete mixing plant adopts following technical scheme:
the utility model provides a grit screening system is retrieved to concrete mixing plant, includes the frame, be provided with a screening section of thick bamboo and promotion subassembly in the frame, a screening section of thick bamboo rotates to be connected in the frame, be provided with a plurality of sieve meshes on the screening section of thick bamboo, the promotion subassembly includes axis of rotation, fixed helical blade, the drive axis of rotation pivoted power spare of setting in the axis of rotation, the axis of rotation is coaxial with a screening section of thick bamboo, helical blade with screening section of thick bamboo inside wall clearance fit, still install the drive in the frame a screening section of thick bamboo pivoted drive assembly, and the rotation opposite direction of a screening section of thick bamboo and axis of rotation.
Through adopting above-mentioned technical scheme, when using, add the production waste water of concrete mixing plant in the screening section of thick bamboo, drive assembly drive screening section of thick bamboo rotates, power component drive axis of rotation rotates, screening section of thick bamboo and axis of rotation carry out the dislocation with opposite direction of rotation and rotate, helical blade promotes concrete waste water and removes along screening section of thick bamboo, stone wherein is by the sieve mesh separation, constantly move forward, remaining mud water and grit are leaked from the sieve mesh, accomplish the separation, do further after-treatment, can make stone and silt obtain recycle, green more.
Optionally, the screening cylinder includes a screening section and a discharge section, and a diameter of the discharge section gradually decreases in a direction away from the screening section.
Through adopting above-mentioned technical scheme, the diameter of play material section reduces gradually, plays the effect of gathering together, assembling to the stone that sieves out, makes things convenient for subsequent row material.
Optionally, the discharge section is conical, a discharge blade is welded and fixed on the outer side wall of the rotation shaft opposite to the discharge section, and the discharge blade is in clearance fit with the inner side wall of the discharge section.
Through adopting above-mentioned technical scheme, arrange material blade and play material section cooperation, carry out auger delivery to the stone, improve the row's of stone material efficiency.
Optionally, the sieve pores are kidney-shaped pores, and the sieve pores are arranged on the outer side wall of the sieve section and distributed in a circumferential array.
Through adopting above-mentioned technical scheme, the sieve mesh of rectangle is difficult to be blockked up by anomalous stone, is favorable to the discharge of muddy water and grit, improves the screening efficiency of concrete waste water.
Optionally, the sieve holes are arranged obliquely.
Through adopting above-mentioned technical scheme, the sieve mesh that the slope set up can play fine guide effect in coordination with helical blade, further reduces the phenomenon that the stone blocks card dun and blocks up the sieve mesh.
Optionally, the direction of the sieve holes and the axial direction of the sieve sections form an included angle of 30-60 degrees.
Through adopting above-mentioned technical scheme, in foretell contained angle within range, the centrifugal action that grit, stone received in the concrete waste water is comparatively moderate, promotes the ejection of compact speed and the screening effect of concrete waste water.
Optionally, the driving assembly comprises a wheel belt coaxially sleeved on the screening drum, a riding wheel rotatably connected to the rack and a driving piece for driving the riding wheel to rotate, and the riding wheel is meshed with the wheel belt.
Through adopting above-mentioned technical scheme, driving piece drive riding wheel rotates, and then drives the wheel belt and rotate, provides power for the operation of screening section of thick bamboo.
Optionally, the frame is arranged in the screening section of thick bamboo below is fixed and is provided with the collecting tank, the collecting tank slope sets up, just the lower one end intercommunication of collecting tank has the sedimentation tank.
Through adopting above-mentioned technical scheme, muddy water and sand after the screening fall into the collecting tank in, flow into the sedimentation tank under the collection of collecting tank, guide effect in, make things convenient for subsequent processing.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the staggered rotation of the screening cylinder and the helical blades, stones, sand and muddy water in the concrete wastewater are efficiently screened, so that resources are saved, and the screening cylinder is green and environment-friendly;
2. the discharge blades are matched with the discharge section, so that the discharge speed of the stones is increased, and the production efficiency is improved;
3. through the sieve mesh that the slope set up, reduce the stone and block up, block up the probability of sieve mesh, guarantee the normal operation of screening operation.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic structural diagram illustrating a lifting assembly according to an embodiment of the present application.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Description of reference numerals: 1. a frame; 11. a liquid collecting tank; 12. a sedimentation tank; 13. a solid waste box; 2. a screening drum; 21. screening and segmenting; 22. a discharging section; 23. screening holes; 3. a lifting assembly; 31. a rotating shaft; 32. a helical blade; 33. a support bar; 34. a discharge blade; 35. a power member; 4. a drive assembly; 41. a belt wheel; 42. a riding wheel; 43. a support plate; 44. a gear case; 45. a drive member.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses grit screening system is retrieved to concrete mixing plant. The waste water recycling device can be used for recycling waste water of a concrete mixing plant, can screen sand and stones in concrete waste water, is convenient to recycle, and saves resources. Referring to fig. 1, concrete mixing plant retrieves grit screening system includes frame 1, installs screening section of thick bamboo 2, promotion subassembly 3 and drive assembly 4 in the frame 1, and screening section of thick bamboo 2 rotates with frame 1 to be connected, and drive assembly 4 is used for driving screening section of thick bamboo 2 and rotates, promotes subassembly 3 and sets up in screening section of thick bamboo 2. When the concrete waste water screening device is used, concrete waste water is added from one end of the screening cylinder 2, the lifting assembly 3 drives the concrete waste water to be pushed to the other end of the screening cylinder 2 from the feeding end of the screening cylinder 2, sand, stones and slurry waste water in the concrete waste water are separated, and waste resources are recycled.
Referring to fig. 1 and 2, the screening cylinder 2 is generally cylindrical and horizontally disposed, the screening cylinder 2 includes a screening section 21 and a discharging section 22, the screening section 21 and the discharging section 22 are coaxially and integrally connected, and the length of the screening section 21 is 5-10 times, preferably 8 times, the length of the discharging section 22. The side wall of the screening section 21 is provided with a plurality of screen holes 23, the screen holes 23 are kidney-shaped holes, and the plurality of screen holes 23 are arranged on the outer side wall of the screening section 21 and distributed in a circumferential array manner, so that the screened slurry wastewater is discharged in time. Go out the material section 22 and set up to the frustum shape, and go out the less one end of material section 22 diameter and be the discharge gate, go out material section 22 and can put together, gather, make things convenient for the ejection of compact to the stone after the screening. In addition, the sieve holes 23 are obliquely arranged, the moving direction of the sieve holes 23 forms an included angle of 30-60 degrees with the axis of the sieve section 21, and the included angle is preferably 45 degrees in the embodiment, so that the blocking probability of the sieve holes 23 is reduced.
Referring to fig. 2 and 3, the lifting device includes a rotating shaft 31, a helical blade 32 and a power member 35, the rotating shaft 31 is disposed in the sieving cylinder 2 and coaxial with the sieving cylinder 2, both ends of the rotating shaft 31 are rotatably connected with the frame 1, the power member 35 is bolted on the frame 1, the power member 35 of this embodiment is a servo motor, and an output shaft of the power member 35 is coaxially and fixedly connected with one end of the rotating shaft 31 to provide power for the rotating shaft 31. The helical blade 32 is in a helical ribbon shape, the helical blade 32 is coaxially sleeved on the rotating shaft 31, and the extending length of the helical blade 32 is consistent with the length of the screen section 21. And, a plurality of bracing pieces 33 are installed on the rotating shaft 31, one end of the bracing piece 33 is welded with the rotating shaft 31, and the other end is welded with the helical blade 32, so as to support and fix the helical blade 32, and a space is arranged between the inner ring wall of the helical blade 32 and the outer side wall of the rotating shaft 31. When the device is used, the power part 35 drives the rotating shaft 31 to rotate, so as to drive the helical blades 32 to rotate, large-particle stones in the concrete wastewater in the screening section 21 move forwards under the pushing of the helical blades 32, and the rest sand and muddy water leak through the screening holes 23, so that the separation is completed.
Referring to fig. 2 and 3, in order to facilitate discharging, the outer side wall of the discharging section 22 directly opposite to the rotating shaft 31 is provided with a discharging blade 34, the discharging blade 34 is in a spiral belt shape, one end of the discharging blade 34 is welded and fixed with the spiral blade 32, the other end of the discharging blade 34 extends to a discharging port of the discharging section 22, the outer annular wall of the discharging blade 34 is in clearance fit with the inner side wall of the discharging section 22, and the inner annular wall of the discharging blade 34 is welded with the outer side wall of the rotating shaft 31 in a sealing manner. When the discharging device is used, stones are discharged from the discharging port of the discharging section 22 under the gathering and collecting effects of the discharging blades 34 and the discharging section 22, the probability that the stones reversely fall into the screening section 21 is reduced, and the discharging efficiency of the stones is improved.
Referring to fig. 2, in order to collect sand, muddy water and stones respectively, a liquid collecting tank 11 is fixedly welded below a screening cylinder 2 in a rack 1, the liquid collecting tank 11 is of a ladder-type structure, the liquid collecting tank 11 is obliquely arranged from one end of a discharging section 22 to one end of a screening section 21, the lower end of the liquid collecting tank 11 is communicated with a sedimentation tank 12, the screened sand and muddy water fall into the liquid collecting tank 11 and then flow into the sedimentation tank 12 under the guidance of the liquid collecting tank 11 for sedimentation and layering, supernatant liquid in the sedimentation tank can be used for concrete production, and the rest sand can be continuously used after being aired. And, frame 1 is arranged in discharge section 22's discharge gate below welded fastening have solid useless case 13 for collect discharged stone, through collecting tank 11, sedimentation tank 12 and solid useless case 13 categorised collection, make things convenient for subsequent recycle.
Referring to fig. 1 and 3, the driving assembly 4 includes belt pulleys 41, riding wheels 42 and a driving member 45, the belt pulleys 41 are arranged in pairs, the two belt pulleys 41 are respectively coaxially sleeved at two ends of the screen section 21, the cross section of the belt pulley 41 along the direction perpendicular to the running direction of the belt pulley is concave, and the concave opening is arranged away from the screen section 21. The frame 1 is welded and fixed with a supporting plate 43, the supporting roller 42 is rotationally connected on the supporting plate 43, the peripheral surface of the supporting roller 42 is abutted and meshed with the belt 41, and a part of the supporting roller 42 is embedded in a groove of the belt 41, so that the probability of dislocation and slippage of the supporting roller 42 and the belt 41 during rotation is reduced. The supporting rollers 42 are provided with a plurality of groups, in this embodiment, two groups of supporting rollers 42 are provided, and the two groups of supporting rollers 42 are located at two ends of the length direction of the screening section 21. Each group includes two riding wheels 42, and two riding wheels 42 of the same group are located the both sides of screening section 21 width direction, and two sets of riding wheels 42 play fine supporting role to screening section 2, and the during operation is more stable.
Referring to fig. 3, a gear box 44 is fixed on the frame 1 by bolts, a driving member 45 is fixed on the frame 1 by bolts, in this embodiment, the driving member 45 is a driving motor, an output shaft of the driving member 45 is coaxially connected with an input shaft of the gear box 44, an output shaft of the gear box 44 is coaxially connected with one of the riding wheels 42, and when the sieving machine is used, the driving member 45 drives the gear box 44 to operate, and then drives the riding wheel 42 to rotate, so as to drive the sieving barrel 2 to rotate. And, the rotation direction of screening section of thick bamboo 2 is opposite with the rotation direction of helical blade 32, promotes the screening efficiency to concrete waste water.
The implementation principle of concrete mixing plant recovery grit screening system is: when the concrete waste water screening device is used, concrete waste water is added into one end of the screening cylinder 2, the power part 35 and the driving part 45 respectively drive the spiral blade 32 and the screening cylinder 2 to rotate, stones in the concrete waste water continuously move forwards along the screening section 21 under the pushing of the spiral blade 32, then the stones are driven by the discharging blade 34 to be discharged into the solid waste box 13, residual small-particle sand and muddy water leak through the screening holes 23 and enter the liquid collecting tank 11, and finally the residual small-particle sand and the residual muddy water flow into the sedimentation tank 12 to be subjected to next treatment.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a grit screening system is retrieved to concrete mixing plant which characterized in that: including frame (1), be provided with screening section of thick bamboo (2) and lifting unit (3) on frame (1), screening section of thick bamboo (2) rotate to be connected on frame (1), be provided with a plurality of sieve meshes (23) on screening section of thick bamboo (2), lifting unit (3) include axis of rotation (31), fixed helical blade (32), the drive axis of rotation (31) pivoted power spare (35) that set up on axis of rotation (31), axis of rotation (31) are coaxial with screening section of thick bamboo (2), helical blade (32) with screening section of thick bamboo (2) inside wall clearance fit, still install the drive on frame (1) screening section of thick bamboo (2) pivoted drive assembly (4), and the rotation opposite direction of screening section of thick bamboo (2) and axis of rotation (31).
2. The system of claim 1, wherein the system comprises: the screening cylinder (2) comprises a screening section (21) and a discharge section (22), and the diameter of the discharge section (22) is gradually reduced along the direction departing from the screening section (21).
3. The system of claim 2, wherein the system comprises: the discharging section (22) is conical, a discharging blade (34) is welded and fixed on the outer side wall of the discharging section (22) through the rotating shaft (31), and the discharging blade (34) is in clearance fit with the inner side wall of the discharging section (22).
4. The system of claim 3, wherein the system comprises: the sieve holes (23) are kidney-shaped holes, and the sieve holes (23) are arranged on the outer side wall of the sieve section (21) and distributed in a circumferential array.
5. The system for screening recycled sand and stones in a concrete mixing plant according to claim 4, characterized in that: the sieve holes (23) are obliquely arranged.
6. The system for screening recycled sand and stones in a concrete mixing plant according to claim 5, characterized in that: the trend direction of the sieve holes (23) and the axial direction of the sieve sections (21) form an included angle of 30-60 degrees.
7. The system of claim 1, wherein the system comprises: drive assembly (4) including coaxial cover establish wheel area (41) on screening section of thick bamboo (2), rotate riding wheel (42) of connecting in frame (1) and be used for driving riding wheel (42) pivoted driving piece (45), riding wheel (42) with wheel area (41) meshing.
8. The system of claim 1, wherein the system comprises: frame (1) are arranged in screening section of thick bamboo (2) below is fixed and is provided with collecting tank (11), collecting tank (11) slope sets up, just collecting tank (11) lower one end intercommunication has sedimentation tank (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121723851.0U CN215276080U (en) | 2021-07-27 | 2021-07-27 | Gravel recycling and screening system for concrete mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121723851.0U CN215276080U (en) | 2021-07-27 | 2021-07-27 | Gravel recycling and screening system for concrete mixing plant |
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| Publication Number | Publication Date |
|---|---|
| CN215276080U true CN215276080U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121723851.0U Active CN215276080U (en) | 2021-07-27 | 2021-07-27 | Gravel recycling and screening system for concrete mixing plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114632687A (en) * | 2022-03-22 | 2022-06-17 | 云南银塔电力建设有限公司 | Capital construction engineering is with multi-functional horizontal grit autosegregation discharge apparatus |
| CN115156025A (en) * | 2022-06-06 | 2022-10-11 | 安徽中马磁能科技股份有限公司 | Magnetic material screening plant |
-
2021
- 2021-07-27 CN CN202121723851.0U patent/CN215276080U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114632687A (en) * | 2022-03-22 | 2022-06-17 | 云南银塔电力建设有限公司 | Capital construction engineering is with multi-functional horizontal grit autosegregation discharge apparatus |
| CN114632687B (en) * | 2022-03-22 | 2024-02-20 | 云南银塔电力建设有限公司 | Multifunctional horizontal gravel automatic separation and unloading equipment for capital construction engineering |
| CN115156025A (en) * | 2022-06-06 | 2022-10-11 | 安徽中马磁能科技股份有限公司 | Magnetic material screening plant |
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