CN216023630U - Sand and stone separating device - Google Patents

Abstract

The utility model provides a sand-stone separating device which comprises a chute, a vibrating screen, a fine sand box, a pump, a sand-water separator and a spiral conveyer, wherein the vibrating screen is positioned below the discharge end of the chute; according to the sand-stone separation device provided by the utility model, by arranging the chute, the vibrating screen, the fine sand box, the belt conveyor, the pump, the sand-water separator and the spiral conveyor, water, sand and stones are synchronously and orderly separated and collected well, and the efficiency of water, sand and stone separation operation is greatly improved.

Description

Sand and stone separating device

Technical Field

The utility model relates to the technical field of sand-stone separation equipment, in particular to a sand-stone separation device.

Background

At present, the concrete is popularized and used in a large scale in the building industry, basically, the method of prefabricating the concrete on site is cancelled in large and medium cities, a concrete mixing station is used for mixing and producing the concrete, and the mixed concrete is transported to a construction site by a special concrete transport vehicle;

however, the transport vehicle cannot be used on site exactly and then transported, so that how to treat the residual concrete in the transport vehicle is an important problem, and the residual concrete in the transport vehicle needs to be cleaned even if the residual concrete is not left; similarly, the residual or residual concrete in the pipelines and the box bodies of the concrete stirring production equipment and the concrete pumping equipment after operation also needs to be treated and cleaned in time, otherwise, the service performance and the service life of the equipment are seriously influenced;

on the other hand, when concrete mixing production equipment, a concrete transport vehicle, a concrete pump truck and other equipment are treated and cleaned, water is inevitably needed to be used for washing, and if sewage generated after washing is not correspondingly treated or recycled, the sewage is inevitably discharged to pollute the environment;

finally, among the prior art, generally adopt the shale shaker to separate the stone in with the concrete, the follow-up screw conveyer that will utilize of the mixture of produced fine sand and water after the separation carries and transports, but the water content is more in such mixture, not only seriously influence the efficiency of carrying, simultaneously also because the water content is more in the mixture of sand and water, great resistance is brought to the rotation of screw conveyer's blade, great reduction screw conveyer's transport efficiency, also can seriously influence screw conveyer's life simultaneously, it is corresponding, because the resistance that screw conveyer's blade's rotation met with is bigger, must need more powerful power equipment to drive the blade rotation, and then will cause the waste of more energy, also can produce bigger noise when more powerful power equipment operates simultaneously.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the sand-stone separating device provided by the utility model realizes good synchronous and orderly separation and collection of water, sand and stones by arranging the chute, the vibrating screen, the fine sand box, the belt conveyor, the pump, the sand-water separator and the screw conveyor, and greatly improves the efficiency of water, sand and stone separating operation.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a sand and stone separator, includes chute, shale shaker, thin sand box, pump, sand water separator and screw conveyer, the shale shaker is located the below of the discharge end of chute, thin sand box is located the below of shale shaker, the feed inlet of pump pass through the pipeline with thin sand box intercommunication, discharge gate pass through the pipeline with sand water separator's feed inlet intercommunication, screw conveyer is located the below of sand water separator's discharge gate, still be provided with the delivery port on sand water separator's the lateral wall.

In one embodiment, the sand-water separator comprises a separation box, wherein a feed inlet, a water outlet and a discharge outlet are arranged on the separation box, the feed inlet and the water outlet are respectively arranged at two ends of the rear side wall of the separation box, and the discharge outlet is arranged on the front side wall of the separation box and is positioned at the same side with the water outlet.

In one embodiment, the separator is arranged in the separation box to separate the separation box into a right box body and a left box body, the feed inlet is located on the rear side wall of the left box body, the water outlet is located on the rear side wall of the right box body, the discharge outlet is located on the front side wall of the right box body, and one end, far away from the feed inlet, of the separator is provided with a notch.

In one embodiment, the vibrating screen comprises a vibrating screen box body, a screen and a vibrator, wherein the vibrator is arranged on the side wall of the vibrating screen box body, an upper opening at the right end of the vibrating screen box body is provided with a feeding hole for forming the vibrating screen, a stone outlet is arranged on the side wall at the left end of the vibrating screen box body, a discharging hole is arranged on the bottom plate of the vibrating screen box body, and the screen is arranged on the bottom plate of the vibrating screen box body to cover the discharging hole.

In one embodiment, a vibrator support is arranged between the vibrator and the side wall of the vibrating screen box body, the vibrator support comprises a vibrator support plate and a vibrator connecting plate, the vibrator is arranged on the vibrator support plate, and a plurality of vibrator connecting plates are arranged between the vibrator support plate and the side wall of the vibrating screen box body at intervals.

In one of the embodiments, further comprising a belt conveyor, one end of which is located below the stone exit.

In one embodiment, the screw conveyer comprises a separation tank, a rotating shaft and a screw blade, the screw blade is arranged on the rotating shaft, a gap is arranged between the screw blade and the rotating shaft, the rotating shaft is rotatably arranged in the separation tank, an upper end opening of the separation tank is arranged, a discharge hole in the separation box is positioned above the separation tank, a discharge hole is arranged in the bottom wall of the discharge end of the separation tank, and a water outlet hole is arranged in the side wall of the other end of the separation tank.

In one embodiment, a plurality of connecting rods are arranged between the rotating shaft and the helical blades, one end of each connecting rod is connected with the outer side wall of the rotating shaft, and the other end of each connecting rod is connected with the helical blade.

In one embodiment, the device further comprises a separating tank bracket, wherein the separating tank is obliquely arranged on the separating tank bracket, and the height of the discharging end of the separating tank is greater than that of the other end of the separating tank.

In one embodiment, the water separator further comprises a water storage tank, and the water storage tank is located below the water outlet hole in the separation tank.

Compared with the prior art, the sand-stone separating device provided by the utility model has the following advantages:

according to the sand-stone separation device provided by the utility model, the chute, the vibrating screen, the fine sand box, the belt conveyor, the pump, the sand-water separator and the screw conveyor are arranged, and all the devices are matched with one another to cooperatively operate, so that a perfect sand-stone separation production line is formed, water, sand and stones can be synchronously and orderly separated and collected, and the separated stones and sand can be recycled.

Secondly, according to the sand-water separator, the sand-water separator is additionally arranged before the spiral conveyor is used for separating and conveying the sand, so that the water content in the mixture of the sand and the water can be well reduced through the sand-water separator, the problem that the spiral conveying efficiency is low due to the fact that the water content in the mixture of the sand and the water is high can be well solved, meanwhile, the problem that the service life of the spiral conveyor is prolonged and the problem of noise caused by the fact that the water content in the mixture of the sand and the water is high and great resistance is brought to the rotation of blades of the spiral conveyor is also solved.

When the sand-water separation operation is carried out by utilizing the rotating shaft and the helical blades, moisture mixed in the sand-water mixture automatically flows backwards from a gap between the helical blades and the rotating shaft, and then is gathered at the rear end of the separation tank and flows into the water storage tank through the water outlet hole, so that the moisture in the sand-water mixture is prevented from polluting the environment, and the moisture in the sand-water mixture is favorably recycled; on the other hand, when the rotating shaft and the spiral blade are used for sand-water separation, the spiral blade can extrude the sand-water mixture, so that the water in the sand-water mixture is further separated, and the water content in the finally separated sand is further reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a portion of the chute of the present invention;

FIG. 3 is a schematic view of a partial configuration at the vibratory screen of the present invention;

FIG. 4 is a partial schematic view of the sand-water separator and the spiral separator according to the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and the like are used in the indicated orientations and positional relationships based on the orientation shown in the drawings for convenience in describing the utility model and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in FIGS. 1-4, for convenience of description, the "up", "down", "left", "right", "front" and "rear" orientation references in the present invention are based on the orientation shown in FIG. 1;

the utility model provides a sand and stone separator, including chute 1, shale shaker 21, the fine sand case, the pump, sand water separator 3 and screw conveyer 7, shale shaker 21 is located the below of the discharge end of chute 1, the fine sand case is located the below of shale shaker 21, the feed inlet of pump passes through pipeline and fine sand case intercommunication, the discharge gate passes through pipeline and sand water separator 3's feed inlet 36 intercommunication, screw conveyer 7 is located the below of sand water separator 3's discharge gate 31, still be provided with delivery port 32 on sand water separator 3's the lateral wall.

The sand-stone separating device provided by the utility model comprises the following specific operation steps:

firstly, adding water into the sandstone mixture waste;

by adding water into the sandstone mixture waste, the sandstone mixture is effectively diluted, the feeding speed of the sandstone mixture waste is greatly increased without other external force, and meanwhile, cement on the surfaces of stones and sand can be well washed, so that the subsequent separation operation of the stones and the sand is facilitated, and the transportation equipment of the sandstone mixture is cleaned by the way, thereby being beneficial to protecting the sandstone transportation equipment;

secondly, sending the mixture of the sand and the water obtained in the first step to a vibrating screen 21, and obtaining a mixture of the sand and the stone and the water after vibration separation;

the mixture of gravel and water obtained in the first step falls to the top of the vibrating screen 21, and under the action of the vibrating force of the vibrating screen 21, the fine sand with small particles and the moisture in the mixture of gravel and water are separated downwards through the screen in the vibrating screen 21, and on the other hand, the stones with large particles gradually move towards one end of the vibrating screen 21 under the action of the vibrating force of the vibrating screen 21 so as to achieve the purpose of separating the stones from the fine sand and water.

Thirdly, pumping the mixture of the sand and the water obtained by the vibration separation in the second step to a sand-water separator 3 by using a pump, and primarily separating the water and the sand in the mixture of the sand and the water;

the sand-water separator 3 is additionally arranged before the spiral conveying mechanism 7 is used for separating and conveying the sand, so that the water content in the mixture of the sand and the water can be well reduced through the sand-water separator 3, the conveying efficiency of the spiral conveying mechanism 7 for the sand is greatly improved, because if the water content in the sand is higher, when the spiral blade 74 of the spiral conveying mechanism 7 is used for conveying the sand, the water can easily flush the sand away from the spiral blade 74, the conveying efficiency of the spiral conveying mechanism 7 is greatly reduced, meanwhile, if the water content in the sand is higher, the spiral blade 74 can bear great resistance in the rotating process, the service life of the spiral conveying mechanism 7 is seriously influenced, correspondingly, because the resistance encountered by the rotation of the spiral blade 74 of the spiral conveying mechanism 7 is larger, a more powerful power device is inevitably needed for driving the spiral blade 74 to rotate, correspondingly, more energy waste can be caused, and meanwhile, more noise can be generated when a power device with higher power runs, so that after the water content in the mixture of the sand and the water is reduced through the sand-water separator 3, the conveying efficiency of the spiral conveying mechanism 7 is greatly improved, the resistance received when the spiral blades 74 of the spiral conveying mechanism 7 rotate is reduced, the service life of the spiral conveying mechanism 7 is prolonged, and the noise pollution caused by the rotation is reduced.

Fourthly, the mixture of the sand and the water treated in the third step is sent to a spiral conveying mechanism 7, and the spiral conveying mechanism 7 further separates the sand and the water in the mixture of the sand and the water to obtain the sand;

wherein, the sand-water separator 3 is provided with a feed inlet 36, a water outlet 32 and a discharge outlet 31; the feed inlet 36 of the sand-water separator 3 is connected with the outlet of the pump; the water outlet 32 of the sand-water separator 3 sends water to the chute 1 through a pipeline; the discharge hole of the sand-water separator 3 is arranged above the feed hole of the spiral conveying mechanism 7;

specifically, the feed inlet 36 of the sand-water separator 3 is arranged corresponding to the water outlet 32, and the corresponding relationship is as follows: the mixture of sand and water entering from the feed inlet 36 can be discharged from the outlet water 32 after being rebounded in the sand-water separator 3;

preferably, the sand-water separator 3 comprises a partition plate 34, and the partition plate 34 divides the sand-water separator 3 into a left box and a right box; the feed inlet 36 and the water outlet 32 are respectively arranged on the left box body and the right box body; a notch 341 is formed at one end of the clapboard 34 far away from the feeding hole 36;

specifically, the sand-water separator 3 comprises a separation box 33 and a partition plate 34, the partition plate 34 is arranged in the separation box 33 to divide the separation box 33 into a left box body 331 and a right box body 332, a feed inlet 36 is arranged on the rear side wall of the right box body 332, a discharge outlet 31 is arranged on the front side wall of the left box body 331, a water outlet 32 is arranged on the rear side wall, and a gap 341 is arranged at the front end of the partition plate 34;

the rear end of the bottom plate of the right box body 332 is low, the front end of the bottom plate of the left box body 331 is high, the front end of the bottom plate of the left box body 331 is low, the bottom surface of the gap 341 is flush with the bottom plate of the right box body 332, the water outlet 32 is positioned above the feed inlet 36 and the discharge outlet 31, furthermore, the feed inlet 36 and the discharge outlet 31 are respectively arranged close to the bottom plates of the right box body 332 and the left box body 331, the water outlet 32 is arranged close to the top plate of the left box body 331,

the mixture of fine sand and water pumped by the pump enters the right box body 332 of the separation box 33 from the feeding hole 36 on the separation box 33, the mixture of fine sand and water is sprayed on the front side wall of the separation box 33 under the pumping pressure of the pump, in the process, because the density of the fine sand is greater than that of the water, part of the fine sand falls on the bottom plate of the right box body 332 firstly under the action of gravity in the spraying process, most of the water is sprayed on the inner wall of the front side wall of the right box body 332, and the water rebounds to the rear side wall of the left box body 331 through the gap 341 at the front end of the partition plate 34 under the blockage of the front side wall of the right box body 332, so that the water flows out of the separation box 33 through the water outlet 32 on the rear side wall of the left box body 331 along the same way, the fine sand is different from the long distance that the water is sprayed, but is deposited on the bottom plate of the right box body 332, after a period of accumulation, the fine sand will cross the gap 341 at the front end of the partition 34, and the discharge port 31 is arranged on the front side wall of the left box body 331 near the bottom plate, so that the fine sand will leave the separation box 33 through the discharge port 31 on the front side wall of the left box body 331, and the preliminary separation operation of the fine sand and water is realized.

In the embodiment, the device further comprises a chute 1, wherein the chute 1 is obliquely arranged, and an outlet of the chute 1 is arranged above the vibrating screen 21; the sand and stone mixture waste is sent to a chute 1 and slides to a vibrating screen under the impact of water flow;

concretely, the chute 1 comprises a material receiving box 11 and a material discharging pipe 12, an opening is arranged at the upper end of the material receiving box 1, the longitudinal section of the bottom wall of the material receiving box 1 is in the shape of an inwards concave arc, the heights of the two ends of the bottom wall of the material receiving box 1 from the ground are not consistent, an outlet is arranged on the side wall of one end of the bottom wall of the material receiving box 1 from the ground, the right end of the material discharging pipe 12 is communicated with the outlet on the material receiving box 11, the left end of the material discharging pipe is bent downwards, and the outlet is positioned above the inlet of the vibrating screen 21, according to the technical scheme, sand and stone mixture from a sand and stone mixture transport vehicle firstly enters the material receiving box 11, because the longitudinal section of the bottom wall of the material receiving box 11 is in the shape of an inwards concave arc, and the height of the outlet end of the bottom wall of the material receiving box 11 is lower than that of the other end of the bottom wall of the material receiving box, so that the sand and stone mixture can automatically move to the outlet end of the bottom wall of the material receiving box 11, and under the impact of water, automatic will drop the inside that gets into shale shaker 21 via discharging pipe 12 with the export intercommunication of connecing workbin 11 to realize the automatic feed operation, wherein, the left end of discharging pipe 12 is buckled downwards and its export is located the top of shale shaker 21, can realize accurately carrying the grit mixture to the inside that gets into shale shaker 21, has avoided the grit mixture to splash that probably produces at the in-process of carrying.

Further, the sand-water separator also comprises a fine sand box 22 and a stone box 23, wherein the fine sand box 22 is arranged below the vibrating screen 21 and used for collecting a mixture of fine sand and water screened by the vibrating screen 21, the stone box 22 is positioned on one side of the vibrating screen 21 and used for collecting stones screened by the vibrating screen 21, the feeding end of the pump is communicated with the fine sand box 22 through a pipeline, and the other end of the pump is communicated with a feeding hole 36 on the sand-water separator 3 through a pipeline;

in one embodiment, the device further comprises a belt conveying mechanism 6, wherein the belt conveying mechanism 6 is positioned at the tail end of the vibrating screen 21; the screen mesh of the vibrating screen 21 is obliquely arranged; the stones screened in the second step can automatically fall to the belt conveying mechanism 6 along the screen, and the screened stones are conveyed to the designated position through the belt conveying mechanism 6;

specifically, the rear end of the belt conveying mechanism 6 is inserted into the stone block box 23 and is located below the through hole on the closed end of the stone block discharging pipe 213, and the height of one end of the belt conveying mechanism 6 inserted into the stone block box 23 is lower than that of the other end thereof; through the design scheme, stones from the through hole on the closed end of the stone discharging pipe 213 automatically fall onto the belt conveying mechanism 6, and then the belt conveying mechanism 6 automatically conveys the stones separated from the gravel mixture to a specified position in time or directly conveys the stones into a transfer device so as to facilitate transfer; on the other hand, the height that belt conveyor 6 inserts the one end in stone case 23 is less than the height of its other end, and the stone is at the in-process of carrying through belt conveyor 6 respectively like this, and wherein the moisture content of mixing up will automatic backward flow, and can not be carried along with the stone, just so can realize the most likely with moisture content and stone and separate, further reduce the water content in the stone after the separation.

Preferably, belt conveying mechanism 6 includes belt conveyer 61, conveyor belt 62 and hopper 63, conveyor belt 62 suit is in the outside of belt conveyer 61, hopper 63 sets up the top in conveyor belt 62 rear end, and hopper 63 is located the below of the through-hole on the blind end of stone discharging pipe 213, the stone that comes from the through-hole on the blind end of stone discharging pipe 213 can drop automatically and get into hopper 63 in, then drop on conveyor belt 62 through the through-hole of hopper 63 bottom, and then carry to the appointed area through conveyor belt 62, collect the stone that separates earlier through hopper 62, not only can ensure that the vast majority of stone can drop to conveyor belt 62, collect in advance through hopper 63 simultaneously, also can cushion the stone that comes from piece discharging pipe 213, avoid the stone from the eminence directly dropping to conveyor belt 62 and probably appearing damaging the phenomenon of conveyor belt 62, effectively prolonging the service life of the conveyor belt 62.

In one embodiment, in order to further improve the efficiency of the pump for pumping the mixture of fine sand and water, the method further comprises the following steps: stirring the mixture of the sand and the water obtained in the second step to fully mix the sand and the water;

specifically, a rotatable stirrer is disposed inside the fine sand box 22, for example, a rotatable rotating shaft is disposed at the bottom of the fine sand box 22, a stirring blade is disposed on the rotating shaft, the lower end of the rotating shaft penetrates through a bearing disposed in the bottom wall of the fine sand box 22, a pulley or a gear is disposed on a portion of the lower end of the rotating shaft located outside the fine sand box 22, and the rotating shaft is driven to rotate by a corresponding motor or a motor to stir the mixture of sand and water inside the fine sand box, so that the mixture of sand and water is stirred more uniformly to facilitate the pumping operation of the mixture of sand and water by the pump.

In this embodiment, in order to recycle the water used for washing the sand-gravel mixture transportation equipment and the sand-gravel mixture, the sand-water separator 3 is further provided with a first water return pipe 4, and the sand-water separator 3 is provided with a feed inlet 36, a water outlet 32 and a discharge outlet 31; a feed inlet 36 of the sand-water separator 3 is connected with an outlet of the pump, a water outlet 32 of the sand-water separator 3 is communicated with one end of a first water return pipe 4, and the other end of the first water return pipe 4 is positioned above the chute 1; preferably, one end of the first water return pipe 4, which is positioned above the chute 1, is connected with a plurality of spraying pipes 5, and the specific number of the spraying pipes 5 can be correspondingly adjusted according to the number of the sand and stone mixture transfer devices, so that the plurality of sand and stone mixture transfer devices can simultaneously perform feeding operation, and the separation efficiency and the continuous operation capacity of the whole sand and stone separation device are improved; one end of the spray pipe 5 is communicated with the first water return pipe 4, the other end is bent downwards, and the outlet of the spray pipe 5 is positioned above the material receiving box 11, through the design scheme, the moisture recovered from the left box body 331 of the separation box 33 can be sprayed into the transferring equipment of the sand mixture through the first water return pipe 4 and the spray pipe 5, and then the moisture together with the sand mixture falls into the material receiving box 11 through the transferring equipment of the sand mixture, as can be seen from fig. 1, the moisture recovered from the left box body 331 of the separation box 33 is sprayed into the hopper of the sand mixture transport vehicle through the first water return pipe 4 and the spray pipe 5, and meanwhile, because the moisture recovered from the left box body 331 of the separation box 33 also has certain pressure, the sand mixture in the hopper of the sand mixture transport vehicle can be well impacted, the hopper of the sand mixture transport vehicle can also be cleaned smoothly, so that the feeding speed can be better accelerated, and the sand mixture in the transfer equipment can be possibly cleaned up as much as possible The mixture is completely washed to the material receiving box 11, and meanwhile, the influence on the subsequent pumping operation of the pump due to the too small water content in the sand-stone mixture is avoided, so that the continuous operation capacity of the whole sand-stone separating device is well ensured, and the pollution to the environment caused by the random discharge of the sewage separated from the sand-stone mixture is also avoided.

Further, the spiral conveying mechanism 7 comprises a rack shell 72, a feed inlet, a discharge outlet, a rotating shaft 73 and spiral blades 74, and a water outlet hole is formed in the lower surface of the rack shell 72; the feed inlet of the screw conveying mechanism 7 is communicated with the discharge outlet of the sand-stone separator 3 and is used for receiving the mixture of the sand and the water separated by the sand-stone separator 3.

Specifically, the spiral separator 7 includes a separation support 71, a rack housing 72, a rotary shaft 73 and a driving motor, wherein the rack housing 72 is arranged on the separation support 71, an opening is formed in the upper end of the rack housing 72, bearings are arranged in the side walls of the two ends of the rack housing 72, a water outlet hole is formed in the lower surface of the rack housing 72, the rotary shaft 73 is arranged in the rack housing 72, the two ends of the rotary shaft 73 are correspondingly inserted into the bearings at the two ends of the rack housing 72, the front end of the rotary shaft 73 penetrates through the side walls of the rack housing 72, a first belt pulley is arranged at the front end of the rotary shaft 73, which penetrates through the side walls of the rack housing 72, a spiral blade 74 is arranged on the rotary shaft 73, the driving motor is arranged at the front end of the rack housing 72, a second belt pulley is arranged on a main shaft of the driving motor, and the first belt pulley and the second belt pulley are in transmission connection;

according to the technical scheme, the discharge hole 31 of the sand-water separator 3 is positioned above the rack shell 72, and the upper end opening of the rack shell 72 is arranged, so that a sand-water mixture discharged from the discharge hole 31 of the sand-water separator 3 can directly fall into the rack shell 72, and then the driving motor drives the rotating shaft 73 and the helical blade 74 to rotate so as to convey fine sand in the rack shell 72 to the other end of the rack shell 72 and fall to a specified position; because the lower surface of the rack shell 72 is provided with the water outlet hole, in the process of conveying the fine sand, the water in the fine sand flows out of the rack shell 72 through the water outlet hole on the lower surface of the rack shell 72, so that the water and the fine sand are separated to the greatest extent;

in one embodiment, in order to further recycle water in the mixture of sand and water, the design further comprises a water storage tank, wherein the water storage tank is arranged below a water outlet hole on the spiral conveying mechanism 7 and is used for containing water separated in the sand-water separation process of the spiral conveying mechanism 7; the aqua storage tank passes through water pump and pipeline and chute 1 intercommunication, and the in-process that utilizes screw conveyor 7 to carry the sand like this and the water that separates will pass through aqua storage tank and corresponding water pump and pipeline and carry to chute 1, can be used to wash grit mixture and grit mixture transfer apparatus.

Further, a screw blade 74 is provided on the rotary shaft 73, and a gap for backflow of water exists between the screw blade 74 and the screw shaft 73;

specifically, a plurality of connecting rods 75 are disposed between the rotating shaft 73 and the helical blades 74, one end of each connecting rod 75 is connected to the outer sidewall of the rotating shaft 73, the other end is connected to the helical blade 74, the helical blade 74 is sleeved outside the rotating shaft 73, a gap is disposed between the helical blade 74 and the rotating shaft 73,

further, the whole frame shell 72 is obliquely arranged, the height of one end of the frame shell 72, which is positioned below the discharge hole 36 of the sand-water separator 3, is lower than that of the other end, the water outlet hole on the lower surface of the frame shell 72 is positioned on the end surface of the lower end of the frame shell 72,

when the rotating shaft 73 and the spiral blade 74 are used for carrying out fine sand conveying operation, moisture mixed in the mixture of the sand and the water automatically flows backwards from a gap between the spiral blade 74 and the rotating shaft 73, is gathered at the rear end of the rack shell 72 and flows to the water storage tank through the water outlet hole in the rear end surface of the rack shell 72; on the other hand, when the fine sand is conveyed by the rotary shaft 73 and the screw blade 74, the screw blade 74 presses the mixture of the sand and the water, so that the water content of the mixture of the sand and the water is further separated, and the water content of the finally separated sand is further reduced.

As shown in fig. 1, the gravel mixture from the gravel mixture transport vehicle firstly enters the chute 1, the gravel mixture passing through the chute 1 falls from the outlet end of the chute 1 to the upper part of the vibrating screen 21, after the gravel mixture passes through the vibrating screen 21, the fine sand with smaller particles and the moisture in the gravel mixture fall into the fine sand box 22 below the vibrating screen 21, the stones with larger particles gradually move leftwards under the action of the vibrating force of the vibrating screen 21 and fall into the stone box 22 on the left side of the vibrating screen 21, and thus the separation of the stones with larger particles from the fine sand with smaller particles and the moisture is realized;

secondly, the fine sand and water mixture in the fine sand box 22 is pumped into the sand-water separator 3 by a pump communicated with the fine sand box 22, and under the action of the sand-water separator 3, the fine sand and water respectively leave the sand-water separator 3 from a discharge hole 31 and a water outlet 32 on the sand-water separator 3, so that the separation of the fine sand and the water is realized.

Preferably, the vibrating screen 21 comprises a vibrating screen box body 211, a screen, a vibrator 212 and a stone discharging pipe 213, the vibrator 212 is arranged on the side wall of the vibrating screen box body 211, an upper opening at the right end of the vibrating screen box body 211 is provided with an inlet for feeding which forms the vibrating screen 21, a stone outlet is arranged on the side wall at the left end, the right end of the stone discharging pipe 213 is communicated with the stone outlet, the end surface at the left end is closed, a through hole is arranged on the lower side wall of the closed end of the stone discharging pipe 213, an outlet for a mixture of sand and water is arranged on the bottom plate of the vibrating screen box body 211, the screen is arranged on the bottom plate of the vibrating screen box body 211 to cover the outlet for the mixture of sand and water, according to the technical scheme, the sand mixture from the discharging pipe 12 falls into the vibrating screen box body 211 from the opening at the right end of the vibrating screen box body 211, under the action of vibration force generated by the vibrator 212, because the bottom plate of the vibrating screen box body 211 is provided with the mixture outlet of sand and water and the screen, the moisture in the fine sand and gravel mixture with smaller particles drops to the inside of the fine sand box 22 below the vibrating screen box body 211 through the outlet of the mixture of screen and sand and water, on the other hand, the stones with larger particles gradually move leftward under the action of the vibration force of the vibrator 212, the stone outlet and the stone discharging pipe 213 through the left end of the vibrating screen box body 211 drop to the stone box 22 below the stone outlet at the left end of the vibrating screen box body 211, wherein the right end of the stone discharging pipe 213 is communicated with the stone outlet, the end face of the left end is closed, the lower side wall of the closed end of the stone discharging pipe 213 is provided with through holes, the stones with larger particles drop to the stone box 22 through the through holes on the lower side wall of the closed end of the stone discharging pipe 213, and the stones generated by the stones directly entering the stone box 22 from the left end of the stone discharging pipe 213 are prevented from impacting the stones The phenomenon of piece case 22 inner wall, not only the effectual direct impact that prevents the stone and bring to stone case 22 and then probably to the influence of stone case 22's life, also reduced the noise that produces from this simultaneously.

Preferably, a vibrator support 214 is disposed between the vibrator 212 and the sidewall of the vibrating screen box body 211, the vibrator support 214 includes a vibrator support plate 2141 and a vibrator connecting plate 2142, the vibrator 212 is disposed on the vibrator support plate 2141, and a plurality of vibrator connecting plates 2142 are disposed between the vibrator support plate 2141 and the sidewall of the vibrating screen box body 211 at regular intervals and longitudinally, and both ends of the vibrator connecting plates 2142 are fixedly connected to the vibrator support plate 2141 and the sidewall of the vibrating screen box body 211, respectively, as can be seen from the above technical solutions, so that the vibration force from the vibrator 212 is only transmitted to the vibrating screen box body 211 and the screen mesh located on the vibrating screen box body 211 through the vibrator connecting plate 2142, compared to the conventional installation manner of directly installing the vibrator 212 on the vibrating screen box body 211, the above installation manner not only achieves the directional force transmission of the vibrator 212 to the vibrating screen box body 211, meanwhile, the vibration force transferred to the vibrating screen box body 211 by the vibrator 212 can be effectively controlled, the vibrating screening effect of the vibrating screen 21 is greatly improved, and the connection firmness and the service life of the vibrator 212, the screen and the vibrating screen box body 211 are prolonged.

Preferably, the sand-water separator 3 is further provided with a fine sand discharging pipe 35, the rear end of the fine sand discharging pipe 35 is communicated with the discharging port 31 on the left box body 331, the front end of the fine sand discharging pipe is communicated with a fine sand discharging box 37, and the bottom wall of the fine sand discharging box 37 is provided with a plurality of through holes;

known by above-mentioned technical scheme, the fine sand after the separation finally leaves separator box 33 by the through-hole on the fine sand ejection of compact case 37 diapire, because still contain a certain amount of moisture content in the fine sand this moment, if take by the front end of fine sand ejection of compact case 37 directly leave separator box 33, moisture content and the fine sand of minority part then can assault forward and go out, not only be unfavorable for the collection and the transportation of later stage fine sand and moisture content, also can cause certain potential safety hazard simultaneously, discharge of compact case 37 and set up the through-hole that is used for fine sand and moisture content to leave on the diapire of fine sand ejection of compact case 37 through the design fine sand, fine sand and moisture content carry out fine cushioning effect after the separation processing, subsequent collection and the operation of transporting of being convenient for simultaneously.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The utility model provides a sand and stone separator, its characterized in that includes chute, shale shaker, thin sand box, pump, sand water separator and screw conveyer, the shale shaker is located the below of the discharge end of chute, thin sand box is located the below of shale shaker, the feed inlet of pump pass through the pipeline with thin sand box intercommunication, discharge gate pass through the pipeline with sand water separator's feed inlet intercommunication, screw conveyer is located the below of sand water separator's discharge gate, still be provided with the delivery port on sand water separator's the lateral wall.

2. The sand-stone separator according to claim 1, wherein the sand-water separator comprises a separating box, the separating box is provided with a feed inlet, a water outlet and a discharge outlet, the feed inlet and the water outlet are respectively arranged at two ends of the rear side wall of the separating box, and the discharge outlet is positioned on the front side wall of the separating box and is positioned on the same side with the water outlet.

3. The sand-stone separating device according to claim 2, further comprising a partition board, wherein the partition board is arranged inside the separating box to separate the separating box into a right box body and a left box body, the feed inlet is arranged on the rear side wall of the left box body, the water outlet is arranged on the rear side wall of the right box body, the discharge outlet is arranged on the front side wall of the right box body, and one end, far away from the feed inlet, of the partition board is provided with a notch.

4. The sand-stone separating device according to claim 1, wherein the vibrating screen comprises a vibrating screen box body, a screen and a vibrator, the vibrator is arranged on the side wall of the vibrating screen box body, the upper opening at the right end of the vibrating screen box body is provided with a feeding hole for forming the vibrating screen, the side wall at the left end is provided with a stone outlet, the bottom plate of the vibrating screen box body is provided with a discharging hole, and the screen is arranged on the bottom plate of the vibrating screen box body to cover the discharging hole.

5. A sand and stone separator as claimed in claim 4, wherein a vibrator support is provided between said vibrator and said side wall of said shaker casing, said vibrator support including a vibrator support plate and a vibrator attachment plate, said vibrator being disposed on said vibrator support plate, a plurality of said vibrator attachment plates being spaced between said vibrator support plate and said side wall of said shaker casing.

6. A sand separation device according to claim 4 further comprising a belt conveyor, one end of which is located below the stone outlet.

7. The sand-stone separating device according to claim 2, wherein the screw conveyer comprises a separating tank, a rotating shaft and a screw blade, the screw blade is arranged on the rotating shaft, a gap is arranged between the screw blade and the rotating shaft, the rotating shaft is rotatably arranged inside the separating tank, the upper end of the separating tank is open, a discharge hole in the separating box is positioned above the separating tank, a discharge hole is arranged on the bottom wall of the discharge end of the separating tank, and a water outlet hole is arranged on the side wall of the other end of the separating tank.

8. A sand separation device according to claim 7, wherein a plurality of connecting rods are provided between the rotary shaft and the helical blades, one end of each connecting rod being connected to the outer side wall of the rotary shaft and the other end thereof being connected to the helical blades.

9. A sand and stone separator as claimed in claim 8, further comprising a separator tank support, wherein the separator tank is arranged on the separator tank support in an inclined manner, and the height of the discharge end of the separator tank is greater than that of the other end of the separator tank.

10. A sand separation device according to claim 9 further comprising a reservoir located below the outlet opening in the separation chamber.

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