A building mortar treatment system
Through the combined use of crushers and screening drums, the sand and gravel in the construction mud are separated, and mud cakes are formed through a filter press device, which solves the problem of resource waste in shield slag mud and realizes efficient utilization of resources.
Patent Information
- Application Number
- CN202310230115.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-03-07
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2043-03-07
AI Technical Summary
In the prior art, shield sludge contains smaller silt particles and larger sand particles, which cannot be fully utilized, resulting in a waste of resources.
After the construction sludge is broken up by a crusher, the sand and gravel are separated from the fine sludge through a screening drum, and the sludge is squeezed by a filter press to form a dry mud cake for easy later processing.
The effective separation of sand and gravel and silt and the shaping of the separated silt are achieved, which facilitates the rational utilization and treatment of resources.
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Figure CN116143371B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of construction engineering, in particular to a construction slurry treatment system. BACKGROUND
[0002] A large amount of waste slurry is generated in construction engineering such as pile foundation engineering, drilling or shield. Since the natural state of the slurry is a flow state, the huge amount of construction slurry will occupy a large amount of farmland resources and cause pollution to groundwater environment and a series of problems. Therefore, it is necessary to properly treat the construction slurry to reduce the waste of resources.
[0003] In a Chinese patent with publication number CN216106568U, a shield slurry dewatering device is disclosed. In the device, the sludge pool includes a bottom plate and a side wall connected to the bottom plate. The shield slurry is contained in the sludge pool. The side wall is provided with at least one reserved hole. A steel flower pipe penetrates the reserved hole and is inserted into the sludge pool. The steel flower pipe includes a tip and a hollow pipe body connected to the tip. A plurality of drainage holes are distributed on the hollow pipe body. A filter screen wraps the steel flower pipe. A drainage vacuum pump is connected to the steel flower pipe. The shield slurry dewatering device can efficiently dewater, reduce costs and be environmentally friendly.
[0004] The inventors have found that at least the following problem exists in the art. The above device cannot fully utilize the small particles of silt and the large particles of sand in the shield slurry during use, resulting in a certain waste of resources. SUMMARY
[0005] In order to improve the rational use of shield slurry in the later stage, the present application provides a construction slurry treatment system.
[0006] The construction slurry treatment system provided by the present application adopts the following technical solution:
[0007] A construction slurry treatment system includes a crusher, two crushing rollers for crushing soil are rotatably connected in the crusher, a crushing motor is fixed on the crusher to drive the two crushing rollers to rotate towards each other, a fixed cylinder is connected to the discharge port position of the crusher, a screening cylinder is coaxially rotatably connected in the fixed cylinder, a rotating motor is fixed on the fixed cylinder to drive the screening cylinder to rotate, a plurality of small holes are formed in the screening cylinder and used for screening sand and small silt, and a filter pressing device is connected to the fixed cylinder to press the filtered silt.
[0008] By adopting the above technical solution, the construction silt is added to the crusher by the staff, the construction silt is crushed by the crushing rollers, the crushed silt enters the screening cylinder, the sand, silt and water are separated by the screening cylinder during rotation, the silt is pressed by the filter pressing device, and the silt is pressed into dry mud cake for centralized treatment in the later stage.
[0009] Optionally, the screening cylinder is rotatably connected in the fixed cylinder through a rotating shaft, a driving gear ring is coaxially fixed at the end of the screening cylinder, a driving gear meshing with the driving gear ring is fixed on the output shaft of the rotating motor, and the screening cylinder is downwardly inclined from the inlet end to the outlet end.
[0010] By adopting the above technical scheme, the rotating motor drives the driving gear to rotate, the driving gear ring meshing with the driving gear drives the screening cylinder to rotate, in the process of rotation, the fine sludge is separated from the sand, and under the action of gravity, the sand flows out from the discharge port and the sludge and water enter the filter pressing device for extrusion.
[0011] Optionally, a partition plate is fixed in the fixed cylinder and sleeved on the screening cylinder, the partition plate is rotatably connected with the screening cylinder, the partition plate divides the fixed cylinder into a separation cylinder close to the inlet end and a drying cylinder close to the outlet end, the filter pressing device is connected on the side of the separation cylinder close to the partition plate, electric heating wires are fixed in the drying cylinder and surround the screening cylinder, and a blower is connected on the fixed cylinder and blows air into the fixed cylinder.
[0012] By adopting the above technical scheme, the sand enters the drying cylinder, under the action of the blower, the air flows in the drying cylinder, and the electric heating wires heat the air, so that the sand is conveniently dried.
[0013] Optionally, the filter pressing device comprises a vertically arranged mounting cylinder, a dewatering cylinder with a plurality of small holes is rotatably connected in the mounting cylinder, a filter cylinder for filtering sludge and water is coaxially fixed in the dewatering cylinder, a driving motor driving the filter cylinder to rotate is arranged on the mounting cylinder, a piston moving downward and extruding the sludge and water is arranged in the mounting cylinder, a discharge pipe connecting the sludge and water into the filter cylinder is connected on the separation cylinder, and a conveying pump for feeding is connected on the discharge pipe.
[0014] By adopting the above technical scheme, the driving motor is started to drive the dewatering cylinder and the filter cylinder to rotate, so that the excess water is thrown out through the filter cylinder and the dewatering cylinder, and under the action of the piston, the sludge in the filter cylinder is extruded to form a mud cake, so as to be conveniently concentrated and treated later.
[0015] Optionally, an isolation plate is sleeved on the outlet end of the screening cylinder, the inner wall of the isolation plate is rotatably connected with the outer wall of the screening cylinder, the outer wall of the isolation plate is sealingly and fixedly connected with the fixed cylinder, a transition pipe is fixed on the position of the drying cylinder close to the isolation plate, and the transition pipe connects the discharge pipe and makes the excess sewage enter the filter cylinder.
[0016] By adopting the above technical scheme, in the process of drying the sand and gravel, part of the water enters the gap between the screening cylinder and the fixed cylinder, and flows into the discharging pipe through the filter pipe, so as to filter the sewage in the later period.
[0017] Optionally, a plurality of driving screws are rotatably connected in the mounting cylinder, an upper end of the driving screw is sleeved with a driving disc connected with the driving screws and threadedly connected with the driving screw, the piston is fixed to a lower surface of the driving disc, a driving motor output shaft is fixed with a driving gear, a lower end of the driving screw is connected with a rotating member, the rotating member drives the driving screw to rotate synchronously, and the rotating member is fixed with a driven gear engaged with the driving gear.
[0018] By adopting the above technical scheme, the driving motor drives the driving gear to rotate, the driving gear drives the rotating member and the driving screw to rotate, the driving screw drives the driving disc threadedly connected with the driving screw to move downward, and the piston fixed to the driving disc extrudes the sludge, so that the sludge is extruded into a mud cake.
[0019] Optionally, a feeding channel vertically penetrating the driving disc and the piston is formed in the driving disc, the discharging pipe is fixedly connected to the feeding channel, and a blocking rod used for closing the feeding channel is fixed to a bottom plate of the filter cylinder and extends into the feeding channel during the filter pressing process.
[0020] By adopting the above technical scheme, the feeding channel is arranged to facilitate the sludge to enter the filter cylinder, and the blocking rod is arranged to close the feeding channel, so that the sludge is prevented from flowing out of the feeding channel during the extrusion process.
[0021] Optionally, an installation groove is formed in the driven gear, a coil spring is installed in the installation groove, the rotating member is rotatably connected to a bottom wall of the installation groove, and the coil spring is fixed to an inner wall of the installation groove and an outer wall of the rotating member at two ends thereof, and when the extrusion of the piston is completed, the driving motor stops working, the coil spring drives the rotating member and the driving screw to reversely rotate and drives the driving disc to move upward.
[0022] By adopting the above technical scheme, the driving motor drives the coil spring to wind, finally drives the rotating member and the driving screw to rotate, and then drives the driving disc and the piston to move downward, the piston extrudes the sludge, the driving motor stops working after the extrusion is completed, the coil spring drives the rotating member and the driving screw to reversely rotate, so that the driving disc drives the piston to move upward, and the mud cake is convenient to take out in the later period.
[0023] Optionally, the filter cylinder bottom plate is detachably connected to the filter cylinder, and a driving cylinder driving the driving motor to move up and down is fixed to a bottom of the driving motor.
[0024] By adopting the technical scheme, the driving cylinder drives the driving motor and the bottom plate of the filter cylinder to move downwards, so that the mud cake is conveniently taken out from below.
[0025] Optionally, the rotating member is a rotating cylinder, and the driving screw is arranged in the rotating cylinder and is in sliding connection with the driving screw and synchronously rotates with the driving screw.
[0026] By adopting the technical scheme, the driving screw is arranged in the rotating member in a sliding mode, so that the driving cylinder drives the driving gear and the driven gear to move in the vertical direction. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 is a schematic diagram of the overall structure of the embodiment of the application.
[0028] Figure 2 is a sectional view of the filter press device.
[0029] Figure 3 is a schematic diagram of the structure of the driven gear.
[0030] BRIEF DESCRIPTION OF DRAWINGS
[0031] 1, crusher; 2, crushing roller; 3, crushing motor; 4, fixed cylinder; 5, screening cylinder; 6, rotating motor; 7, driving gear; 8, driving gear ring; 9, partition plate; 10, electric heating wire; 11, air blower; 12, mounting cylinder; 13, dehydration cylinder; 14, filter cylinder; 15, driving motor; 16, discharging pipe; 17, conveying pump; 18, isolation plate; 19, transition pipe; 20, driving screw; 21, driving disc; 22, driving gear; 23, driven gear; 24, rotating cylinder; 25, feeding channel; 26, blocking rod; 27, mounting groove; 28, coil spring; 29, driving cylinder; 30, piston. DETAILED DESCRIPTION
[0032] The following will be described in detail with reference to the accompanying drawings. Figures 1-3 The application will be described in further detail.
[0033] The embodiment of the application discloses a building slurry treatment system.
[0034] Reference Figure 1 A building slurry treatment system comprises a crusher 1, two parallel crushing rollers 2 are rotationally connected in the crusher 1, a crushing motor 3 is fixed on the outer wall of the crusher 1 through bolts, the output shaft of the crushing motor 3 is fixed on the rotating shaft of one of the crushing rollers 2, the rotating shafts of the two crushing rollers 2 synchronously rotate through the meshing gears, and the crushing roller 2 is provided with crushing hammers on the surface for crushing soil.
[0035] Reference Figure 1 and Figure 2The fixed cylinder 4 is connected with the discharge port of the crusher 1, and is inclined downward from one side of the crusher 1 to the other side. A screening cylinder 5 is coaxially arranged in the fixed cylinder 4. The screening cylinder 5 is provided with a plurality of small holes for screening sand and small sludge. The screening cylinder 5 is rotatably connected to the fixed cylinder 4 by bearings.
[0036] With reference to Figure 1 and Figure 2 A rotating motor 6 is fixed to the outer wall of the fixed cylinder 4. A driving gear 7 is fixed to the output shaft of the rotating motor 6. A driving gear ring 8 is coaxially fixed to the inlet end of the screening cylinder 5. The driving gear 7 is engaged with the driving gear ring 8 to drive the driving gear ring 8 to rotate. In the process of driving the driving gear ring 8 to rotate, the sludge is separated from the sand. The fixed cylinder 4 is connected with a filter-pressing device for extruding the filtered sludge.
[0037] With reference to Figure 1 and Figure 2 A partition plate 9 is fixed in the fixed cylinder 4 and sleeved on the screening cylinder 5. The partition plate 9 is rotatably connected to the screening cylinder 5. The partition plate 9 divides the fixed cylinder 4 into a separation cylinder close to the inlet end and a drying cylinder close to the discharge port. An electric heating wire 10 is fixed in the drying cylinder and surrounds the screening cylinder 5. An air blower 11 is connected to the fixed cylinder 4. The air blower 11 sends air into the screening cylinder 5. The air is heated and acts on the sand to dry the sand for later centralized treatment.
[0038] With reference to Figure 1 and Figure 2 The filter-pressing device comprises a mounting cylinder 12 arranged vertically. A dehydration cylinder 13 is rotatably connected in the mounting cylinder 12. A plurality of small holes are formed in the dehydration cylinder 13 to facilitate the outflow of filtered sewage. A filter cylinder 14 in the shape of a cylinder is coaxially fixed in the dehydration cylinder 13. The filter cylinder 14 is used for filtering water in the sludge. A driving motor 15 is arranged on the mounting cylinder 12 to drive the filter cylinder 14 to rotate. A piston 30 is slidably arranged in the mounting cylinder 12 and moves downward to extrude the sludge. The extruded water is filtered by the filter cylinder 14 and flows out of the mounting cylinder 12.
[0039] With reference to Figure 1 and Figure 2 A discharge pipe 16 is connected to the side of the separation cylinder close to the partition plate 9. A delivery pump 17 is connected to the discharge pipe 16 to guide the sludge and water into the filter cylinder 14. A partition plate 18 is sleeved on the discharge end of the screening cylinder 5. The inner wall of the partition plate 18 is rotatably connected to the outer wall of the screening cylinder 5. The outer wall of the partition plate 18 is sealingly and fixedly connected to the inner wall of the fixed cylinder 4. A transition pipe 19 is fixedly connected to the drying cylinder and close to the partition plate 18. The transition pipe 19 is connected to the discharge pipe 16 and makes the excess sewage enter the filter cylinder 14.
[0040] With reference to Figure 1 and Figure 2A plurality of driving screws 20 are rotatably connected in the mounting cylinder 12, the driving screws 20 are vertically arranged, a driving disc 21 connected with the plurality of driving screws 20 is sleeved on the upper end of the driving screw 20, the driving disc 21 is threadedly connected with the plurality of driving screws 20, and a piston 30 is fixed on the lower surface of the driving disc 21. A driving motor 15 is fixed with a driving gear 22 on the output shaft, the lower end of the driving screw 20 is connected with a rotating part, the rotating part is a rotating cylinder 24, the driving screw 20 is arranged in the rotating cylinder 24 and rotates synchronously with the rotating cylinder 24, and the rotating cylinder 24 can slide in the vertical direction relative to the driving screw 20.
[0041] With reference to Figure 1 and Figure 2 , the driving motor 15 is fixed with a support, a plurality of driven gears 23 meshing with the driving gear 22 are rotatably connected on the support, the driven gears 23 correspond to the plurality of rotating cylinders 24 and drive the corresponding rotating cylinders 24 to rotate.
[0042] With reference to Figure 1 and Figure 2 , the driving disc 21 is provided with a feeding channel 25 vertically penetrating the driving disc 21 and the piston 30, the lower end of the discharging pipe 16 is fixedly connected on the feeding channel 25, the discharging pipe 16 and the filtering pipe are both telescopic corrugated pipes, and a blocking rod 26 is fixed on the bottom plate of the filtering cylinder 14, when the piston 30 moves downward, the blocking rod 26 is inserted into the feeding channel 25 to prevent the sludge from flowing out of the feeding channel 25.
[0043] With reference to Figure 2 and Figure 3 , the driven gear 23 is coaxially provided with a mounting groove 27, a coil spring 28 is mounted in the mounting groove 27, the rotating cylinder 24 is rotatably connected in the mounting groove 27, the coil spring 28 is sleeved on the outer wall of the rotating cylinder 24, one end of the coil spring 28 is fixed on the inner wall of the mounting groove 27, and the other end of the coil spring 28 is fixed on the outer wall of the rotating cylinder 24, when the piston 30 is extruded, the driving motor 15 stops working, the coil spring 28 drives the rotating part and the driving screw 20 to rotate reversely, so that the driving disc 21 drives the piston 30 to move upward.
[0044] With reference to Figure 2 and Figure 3 , the bottom plate of the filtering cylinder 14 is detachably connected on the filtering cylinder 14, and the driving motor 15 is fixed with a driving cylinder 29 driving the driving motor 15 to move upward and downward. The driving cylinder 29 drives the driving gear 22, the driven gear 23 and the bottom plate of the filtering cylinder 14 to move downward, so that the mud cake is conveniently taken out.
[0045] The implementation principle of a construction mud and water treatment system in an embodiment of the present application is as follows: the staff first puts the construction sludge into the crusher 1, and the sludge crushed by the crushing roller 2 enters the screening drum 5 for screening to separate the sand and gravel from the fine sludge. The fine sludge enters the filter drum 14 and is dehydrated by centrifugal force and extrusion to form a mud cake.
[0046] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.
Claims
1. A construction mud and water treatment system, characterized by: The invention comprises a crusher (1), wherein two crushing rollers (2) for crushing soil are rotatably connected in the crusher (1), a crushing motor (3) for driving the two crushing rollers (2) to rotate in opposite directions is fixed on the crusher (1), a fixed cylinder (4) is connected at the discharge port of the crusher (1), a screening cylinder (5) is coaxially rotatably connected in the fixed cylinder (4), a rotating motor (6) for driving the screening cylinder (5) to rotate is fixed on the fixed cylinder (4), a plurality of small holes are opened on the screening cylinder (5) and are used for screening sand and gravel and fine silt, and a filter press device for squeezing the filtered silt is connected to the fixed cylinder (4); A partition (9) is fixed inside the fixed cylinder (4) and is sleeved outside the screening cylinder (5). The partition (9) is rotatably connected to the screening cylinder (5). The partition (9) divides the fixed cylinder (4) into a separation cylinder near the feeding end and a drying cylinder near the discharging end. The filter press device is connected to the side of the separation cylinder near the partition (9). An electric heating wire (10) surrounding the screening cylinder (5) is fixed inside the drying cylinder. A blower (11) for blowing air into the fixed cylinder (4) is connected to the fixed cylinder (4). The filter press device comprises a vertically arranged mounting cylinder (12), a dewatering cylinder (13) having a plurality of small holes being rotatably connected in the mounting cylinder (12), a cylindrical filter cylinder (14) for filtering sludge and water being coaxially fixed in the dewatering cylinder (13), a driving motor (15) for driving the filter cylinder (14) to rotate being provided on the mounting cylinder (12), a piston (30) for moving downward and for squeezing sludge and water being provided in the mounting cylinder (12), a feed pipe (16) for introducing sludge and water into the filter cylinder (14) being connected to the separation cylinder, and a delivery pump (17) for feeding the material being connected to the feed pipe (16); The bottom plate of the filter cartridge (14) is detachably connected to the filter cartridge (14); a driving cylinder (29) for driving the driving motor (15) to move up and down is fixed to the bottom of the driving motor (15); a plurality of driving screws (20) are rotatably connected in the mounting cylinder (12); a driving disk (21) connected to the plurality of driving screws (20) and threadedly connected to the driving screws (20) is sleeved on the upper end of the driving screw (20); the piston (30) is fixed to the lower surface of the driving disk (21); a driving gear (22) is fixed to the output shaft of the driving motor (15); and a rotating member is connected to the lower end of the driving screw (20). The rotating member drives the driving screw (20) to rotate synchronously, and a driven gear (23) meshing with the driving gear (22) is fixed on the rotating member; a mounting groove (27) is provided on the driven gear (23), and a coil spring (28) is installed in the mounting groove (27). The rotating member is rotatably connected to the bottom wall of the mounting groove (27), and the two ends of the coil spring (28) are respectively fixed to the inner wall of the mounting groove (27) and the outer wall of the rotating member. When the piston (30) is squeezed, the driving motor (15) stops working, and the coil spring (28) drives the rotating member and the driving screw (20) to rotate in the opposite direction and causes the driving disk (21) to move upward.
2. A construction mud and water treatment system according to claim 1, characterized in that: The screening drum (5) is rotatably connected to the fixed drum (4) via a rotating shaft. A driving gear ring (8) is coaxially fixed to the end of the screening drum (5). A driving gear (7) meshing with the driving gear ring (8) is fixed to the output shaft of the rotating motor (6). The screening drum (5) is tilted downward from the feed end toward the discharge end.
3. A construction mud and water treatment system according to claim 1, characterized in that: The discharge end of the screening cylinder (5) is sleeved with an isolation plate (18), the inner wall of the isolation plate (18) is rotatably connected to the outer wall of the screening cylinder (5), the outer wall of the isolation plate (18) is sealed and fixedly connected to the fixed cylinder (4), and a transition pipe (19) is fixed to the position of the drying cylinder near the isolation plate (18), and the transition pipe (19) is connected to the discharge pipe (16) and allows excess sewage to enter the filter cylinder (14).
4. A construction mud and water treatment system according to claim 1, characterized in that: The driving disc (21) is provided with a feed channel (25) vertically penetrating the driving disc (21) and the piston (30); the discharge pipe (16) is fixedly connected to the feed channel (25); and a blocking rod (26) is fixed on the bottom plate of the filter cartridge (14) for extending into the feed channel (25) and for closing the feed channel (25) during the filter pressing process.
5. A construction mud and water treatment system according to claim 1, characterized in that: The rotating member is a rotating cylinder (24), the driving screw (20) is inserted into the rotating cylinder (24), and the rotating cylinder (24) is slidably connected to the driving screw (20) and drives the driving screw (20) to rotate synchronously.
Citation Information
Patent Citations
Shield sludge dewatering device
CN216106568U
Centrifugal dewatering equipment with overload prevention function
CN112760875A
Method for dredging river channel and drying sludge
CN115387418A
Stirring device for soil
CN209406412U
Efficient ceramsite granulation system
CN214027350U