CN211538184U - Sand and stone separator with cyclic utilization effluent plant - Google Patents

Abstract

The utility model relates to a sand and stone separator with cyclic utilization effluent plant in grit splitter field, aim at solving the recovery of separation grit in-process waste water, it includes the frame and the sieve sand cage that is located the frame top, the sieve sand cage is equipped with the safety cover outward, the sieve sand cage still is equipped with the overflow mouth, the intercommunication has the conveying pump on the overflow mouth, the one end that the overflow mouth was kept away from to the conveying pump is equipped with the conveying pipeline, the one end that the conveying pipeline kept away from the conveying pump is connected with the recovery pond, recovery pond top opening sets up, it is on a parallel with vertical direction and top open-ended cylinder to be equipped with axial direction in the recovery pond, be connected with driving roller on the cylinder and wind cylinder axle center pivoted drive arrangement, the recovery pond top is equipped with the drinking-water pipe that stretches into. The utility model discloses have the effect that improves the efficiency of retrieving water among the cement paste.

Description

A sand and gravel separator with a recycling wastewater device

technical field

The utility model relates to the technical field of sand and gravel separation equipment, in particular to a sand and gravel separator with a device for recycling waste water.

Background technique

Commercial concrete is also developing rapidly as a social infrastructure construction. In the actual production process of our batching plant, the mixer and transport tanker are washed every day, which results in a lot of waste water and waste. Now the batching plant provides concrete for high-speed railways, subways, submarine tunnels and other high-demand projects. Tankers are all brushed, and the generated sewage and waste will increase geometrically, which will cause huge monetary losses, not only waste of resources, but also cause greater pollution to the surrounding environment of our mixing station.

The existing Chinese patent with the publication number of CN206276600U discloses a sand and gravel separator, which includes a frame and a sand screening drum located above the frame. There are outer helix and inner helix with opposite directions of rotation. A screen is arranged between the outer helix and the inner helix. A shell is arranged under the sand screen drum. One end of the outer helix in the advancing direction is connected to the sand outlet, and one end of the inner helix in the advancing direction Connected to the stone outlet, the sand screening drum is provided with a high-pressure spray pipe with spray holes, and the sand screening drum is also provided with an overflow port; the outer spiral and the inner spiral are connected with the drive system and the control system.

When in use, after the concrete tanker has been unloaded and returned to the mixing station, park it at the designated location and add water to the tanker. After the tanker is fully cleaned after adding water, the waste in the tanker is poured into the guide chute. The waste flows into the sand-screening drum of the sand-gravel separator connected with the material-guiding chute, and the sand-screening drum has an outer spiral and an inner spiral with opposite directions of rotation. Under the rotation of the drum, the sand falls into the shell under the sand screening drum through the sieve holes on the screen, the sand is output through the sand outlet under the action of the outer spiral, and the remaining stones in the drum screen are pushed out of the drum by the inner spiral. Stone exit output. The cement slurry water continuously flows out from the overflow port and flows into the slurry pool through the slurry guide groove.

The prior art solution in the above has the following defects: after the cement slurry flows into the slurry tank, it needs to wait for a long time for precipitation, and finally the clear water is drawn out, and the precipitation is excavated for centralized treatment; the solid particles in the cement slurry are precipitated under gravity, and the precipitation process Slow, low precipitation efficiency, it takes a long time to extract water for use, and a large amount of water is evaporated, resulting in waste of water resources.

Utility model content

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a sand and gravel separator with a device for recycling wastewater, which has the effect of improving the efficiency of recycling water in the cement slurry.

The above-mentioned utility model purpose of the present utility model is achieved through the following technical solutions:

A sand and gravel separator with a waste water recycling device, comprising a frame and a sand screen cage located above the frame, the sand screen cage is provided with a protective cover, and the screen sand cage is also provided with an overflow port, the overflow The flow port is connected with a feeding pump, the end of the feeding pump away from the overflow port is provided with a feeding pipe, and the one end of the feeding pipe away from the feeding pump is connected with a recovery tank, and the upper part of the recovery tank is provided with an opening, so the The recovery tank is provided with a drum with an axial direction parallel to the vertical direction and an upper opening, the drum is connected with a driving device that drives the drum to rotate around the axis of the drum, and a suction pipe extending into the drum is arranged above the recovery tank. , the suction pipe is provided with a suction pump.

By adopting the above technical scheme, the cement slurry flowing out from the overflow port is transported to the drum of the recovery tank through the feeding pipe under the action of the feeding pump, and the driving device drives the drum to rotate around the axis of the drum. Under the rotation, the cement slurry in the drum is subjected to centrifugal force, the particles in the cement slurry are heavier than water, and the centrifugal force received is larger, the middle particles of the cement slurry are close to the inner wall of the drum, and the clear liquid in the cement slurry is kept on the drum against the drum. position of the axis. The water pumping pipe is fixed near the axis of the drum, and the clear liquid in the cement slurry can be pumped out under the action of the pumping pump, and the pumped clear liquid can be used. The particles and clear liquid in the cement slurry are separated by centrifugal force to improve the efficiency of recycling wastewater.

The utility model is further provided that: the driving device comprises a driving motor connected with the bottom wall of the recovery chamber, the rotating shaft of the driving motor is coaxially arranged with the drum, and the rotating shaft of the driving motor is fixedly connected with the bottom wall of the drum.

By adopting the above technical solution, the driving motor is started, the rotating shaft of the driving motor rotates, the rotating shaft of the driving motor is connected with the axis of the drum, and the rotation of the rotating shaft drives the drum to rotate around the axis of the drum, thereby realizing the rotation of the drum around the axis.

The utility model is further provided that: the outer periphery of one end of the drum away from the driving motor is provided with at least three rollers which are evenly distributed and abut against the outer wall of the drum.

By adopting the above technical solution, at least three rollers in contact with the outer circumference of the roller can stabilize the rotation of the end of the roller away from the driving motor, reduce the shaking of the roller, reduce the deformation of the connection between the roller and the driving motor, and improve the stability of the rotation of the roller; Make the drum rotate around the axis of the drum as much as possible to stabilize the centrifugal force generated by the drum and stabilize the filtering effect.

The utility model is further provided that: the drum is provided with a collection bag that is fitted with the inner wall of the drum, and the collection bag is fixed on the drum by bolts.

By adopting the above technical solution, the particulate dirt in the cement slurry is closely attached to the aggregate bag, the bolts are removed, the aggregate bag is periodically taken out from the drum, and the particulate matter in the aggregate bag is treated to facilitate the cleaning of the sediment in the drum. Improve the efficiency of processing sediments.

The utility model is further arranged as follows: a plurality of concave holes are arranged on the inner wall of the drum.

By adopting the above technical solution, when the drum rotates, the particulate matter receives centrifugal force and sticks the collection bag in the concave hole, so that each part of the collection bag is uniformly stressed, thereby reducing the slippage of the collection bag relative to the drum during the rotation of the drum, thereby reducing Reduce the tension on the connection between the collection bag and the drum, and stabilize the connection between the collection bag and the drum.

The utility model is further configured as follows: the water pumping pipe is coaxially arranged with the drum, one end of the water pumping pipe extending into the drum is provided with a connecting pipe along the radial direction of the drum, and the connecting pipe is threadedly connected with the water pumping pipe.

By adopting the above technical solution, the connecting pipe and the water pumping pipe are threadedly connected, that is, connecting rods of different lengths can be easily replaced. The water in the cement slurry is used most rationally.

The utility model is further configured as follows: the drum is provided with a closing cover which is abutted against the upper edge of the closing drum;

By adopting the above technical solution, the arrangement of the closing cover can reduce the cement slurry splashed from the top of the drum during the rotation of the drum, reduce waste and improve the recovery rate.

The utility model is further configured as follows: the closure cover is fixed on the inner wall of the recovery tank by bolts, the side of the closure cover facing the drum is provided with a ring groove abutting against the side wall of the upper end of the drum, and the ring groove is provided with a ring groove. A sealing strip that fits the outer and inner walls of the drum.

By adopting the above technical solution, the closing cover is fixed on the inner wall of the recovery tank, the situation that the closing cover is thrown away by the rotation of the drum is reduced, and the abutment between the closing cover and the drum is stabilized; The sealing strip on the inner wall of the groove is fitted, and the drum can rotate normally along the ring groove. The sealing strip abutting with the drum improves the sealing between the closing cover and the drum, and further reduces the cement slurry splashed from the top of the drum during the rotation of the drum. Reduce waste and increase recycling rates.

To sum up, the beneficial technical effects of the present utility model are:

1. The rotating drum in the recovery tank improves the efficiency of recycling wastewater;

2. The precipitated particles can be quickly processed through the collection bag;

3. The closed cover reduces the cement slurry splashed from the top of the drum during the rotation of the drum, reduces waste and improves the recovery rate.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is a schematic view of the structure of the sealing cover of the present invention.

Figure 3 is a schematic view of the drum structure of the present invention.

Reference numerals: 1, frame; 11, sand screen cage; 12, protective cover; 13, overflow port; 15, feed pump; 16, feed pipe; 2, recovery tank; 21, drum; 22, drive device; 23, suction pipe; 24, suction pump; 3, roller; 31, connecting rod; 4, collecting bag; 41, concave hole; 5, connecting pipe; 51, closing cover; 53, through hole; 54, bolt ; 55, connecting piece; 6, ring groove; 61, sealing strip.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

As shown in FIG. 1 , the utility model discloses a sand and gravel separator with a waste water recycling device, including a frame 1 and a sand screen cage 11 located above the frame 1 , and the screen sand cage 11 rotates with the frame 1 Connection, the sand screen cage 11 is provided with a protective cover 12, and the screen sand cage 11 is also provided with an overflow port 13.

As shown in FIG. 1 and FIG. 2 , in order to recover the waste water or the water in the cement slurry flowing out from the overflow port 13, a feeding pump 15 is connected to the overflow port 13, and the feeding pump 15 is far away from the overflow port. One end of 13 is provided with a feeding pipe 16, the input end of the feeding pump 15 is connected with the overflow port 13, the output end of the feeding pump 15 is connected with the feeding pipe 16, and the end of the feeding pipe 16 away from the feeding pump 15 is connected There is a recovery pool 2, the upper opening of the recovery pool 2 is provided, and the recovery pool 2 is provided with a roller 21 whose axial direction is parallel to the vertical direction and has an upper opening. 22. The driving device 22 includes a driving motor connected to the bottom wall of the recovery chamber. The rotating shaft of the driving motor is coaxially arranged with the drum 21 , and the rotating shaft of the driving motor is fixedly connected to the bottom wall of the drum 21 . A suction pipe 23 extending into the drum 21 is arranged above the recovery tank 2 , and a suction pump 24 is arranged on the suction pipe 23 . In this embodiment, the suction pump 24 is installed on the outer wall of the recovery tank 2 .

As shown in FIG. 2 , in order to reduce the waste water splashed from the top of the drum 21, the drum 21 is provided with a closing cover 51 abutting against the upper edge of the closing drum 21, and the closing cover 51 is provided with a water supply pipe 23 and a feeding pipe 16 through holes 53 . The closing cover 51 is fixed on the inner wall of the recovery tank 2 by means of bolts 54. The closing cover 51 is integrally provided with a connecting piece 55 for the bolts 54 to pass through. The ring groove 6 is connected, and the ring groove 6 is provided with a sealing strip 61 fitted with the outer wall and the inner wall of the drum 21 .

As shown in FIG. 3 , in order to stabilize the rotation of the drum 21 , at least three rollers 3 evenly distributed and abutting against the outer wall of the drum 21 are provided on the outer periphery of one end of the drum 21 away from the driving motor. In this embodiment, there are four rollers 3 evenly distributed along the roller 21 . The roller 3 is provided with a rotating shaft (not shown in the figure) passing through the center of the roller 3 , the roller 3 is rotatably connected with the rotating shaft, and the two ends of the rotating shaft are fixedly connected to the recovery chamber through two connecting rods 31 .

As shown in FIG. 3 , in order to collect clear liquids with different particle contents, the suction pipe 23 is arranged coaxially with the drum 21 , and the end of the suction pipe 23 extending into the drum 21 is provided with a connecting pipe 5 along the radial direction of the drum 21 to connect The pipe 5 is screwed to the suction pipe 23 .

As shown in FIG. 3 , in order to facilitate the treatment of the particle deposits in the drum 21 , the drum 21 is provided with a collection bag 4 attached to the inner wall of the drum 21 , and the collection bag 4 is fixed on the drum 21 by bolts 54 . In this embodiment, a ring platform is provided on the inner wall of the drum 21 , and the edge of the collecting bag is fixed on the ring platform by bolts 54 . Several concave holes 41 are provided on the inner wall of the drum 21 .

The implementation principle of this embodiment is: the cement slurry flowing out from the overflow port 13 is transported to the drum 21 of the recovery tank 2 through the feeding pipe 16 under the action of the feeding pump 15, and the driving device 22 drives the drum 21 to wind The axis of the drum 21 rotates. Under the rotation of the drum 21, the cement slurry in the drum 21 is subjected to centrifugal force. The particles in the cement slurry are heavier than water, and the centrifugal force received is larger, and the middle particles of the cement slurry are close to the drum 21. The inner wall of the cement slurry is kept at the position of the drum 21 near the axis. The water pumping pipe 23 is fixed near the axis of the drum 21, and the clear liquid in the cement slurry can be pumped out under the action of the pumping pump 24, and the pumped clear liquid can be used.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (8)

1. A sand and gravel separator with a waste water recycling device, comprising a frame (1) and a sand screen cage (11) located above the frame (1), the sand screen cage (11) being provided with a protective cover outside (12), the sand screen cage (11) is also provided with an overflow port (13), characterized in that: the overflow port (13) is communicated with a feeding pump (15), and the feeding pump (15) One end away from the overflow port (13) is provided with a material delivery pipe (16), and one end of the material delivery pipe (16) away from the material delivery pump (15) is connected with a recovery tank (2), and the recovery tank (2) The upper opening is provided, the recovery tank (2) is provided with a drum (21) whose axial direction is parallel to the vertical direction and whose upper opening is open, and a driving drum (21) is connected to the drum (21) to wrap around the drum (21). The drive device (22) for the rotation of the shaft is provided with a suction pipe (23) extending into the drum (21) above the recovery tank (2), and a suction pump (24) is arranged on the suction pipe (23). 2 . The sand and gravel separator with a device for recycling wastewater according to claim 1 , wherein the driving device ( 22 ) comprises a driving motor connected to the bottom wall of the recovery chamber, and the rotating shaft of the driving motor It is arranged coaxially with the drum (21), and the rotating shaft of the driving motor is fixedly connected with the bottom wall of the drum (21). 3. A kind of sand and gravel separator with a waste water recycling device according to claim 2, characterized in that: the outer periphery of one end of the drum (21) away from the driving motor is provided with at least three uniformly distributed and consistent with the drum (21). ) rollers (3) against which the outer wall abuts. 4. A sand and gravel separator with a waste water recycling device according to claim 1, characterized in that: the drum (21) is provided with a collection bag (4) attached to the inner wall of the drum (21) , the collecting bag (4) is fixed on the drum (21) by bolts (54). 5 . The sand and gravel separator with a device for recycling wastewater according to claim 4 , wherein a plurality of concave holes ( 41 ) are provided on the inner wall of the drum ( 21 ). 6 . 6. A sand and gravel separator with a waste water recycling device according to claim 1, characterized in that: the suction pipe (23) and the drum (21) are coaxially arranged, and the suction pipe (23) extends One end of the inlet drum (21) is provided with a connecting pipe (5) along the radial direction of the drum (21), and the connecting pipe (5) is threadedly connected with the suction pipe (23). 7. A sand and gravel separator with a device for recycling waste water according to claim 1, characterized in that: the drum (21) is provided with a closing cover (51) abutting on the upper edge of the closing drum (21). A through hole (53) for the water pumping pipe (23) and the material conveying pipe (16) to pass through is provided on the closing cover (51). 8. A sand and gravel separator with a device for recycling wastewater according to claim 7, wherein the closure cover (51) is fixed on the inner wall of the recovery tank (2) by bolts (54), so that the The side of the closure cover (51) facing the drum (21) is provided with a ring groove (6) abutting against the upper end side wall of the drum (21), and the ring groove (6) is provided with an outer wall of the drum (21) and an annular groove (6). A sealing strip (61) fitted with the inner wall.

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