A wet-process machine-made sand preparation system and method

Abstract

The present application relates to the technical field of manufactured sand preparation, in particular to a wet manufactured sand preparation system and method. The wet manufactured sand preparation system comprises a sand preparation device, a compensation device and a water recycling device; the sand preparation device comprises a sand preparation equipment, the sand preparation equipment comprises a crusher, a screening machine and a sand washer; a conveying belt for conveying the washed manufactured sand is arranged at the sand washer; the compensation device is used for compensating the manufactured sand on the conveying belt; and the water recycling device is used for recycling the sewage produced in the sand preparation process of the sand preparation device. The wet manufactured sand preparation method comprises four parts of crushing, screening, washing and compensation. The method can compensate the washed manufactured sand and reasonably utilize the wastewater produced in the manufactured sand production, so as to improve the quality of the manufactured sand and prevent the waste of water resources.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of manufactured sand preparation, in particular to a wet manufactured sand preparation system and method. BACKGROUND

[0002] In the wet preparation of manufactured sand, first of all, the stone blocks need to be transported into the crusher for crushing, and then the crushed stone particles are transported to the screening machine by the conveying belt, and the vibration screen on the screening machine is used for screening, and the stone particles meeting the requirements are screened into the sand washer, and the stone particles are washed by the sand washer, so as to obtain the manufactured sand.

[0003] However, after the manufactured sand is washed by the sand washer, the stone particles with small particle size (such as particle size less than 0.075mm) will be lost with the production water used for washing, and at this time, the manufactured sand after washing needs to be compensated; meanwhile, the water used for sand washing by the sand washer will be discharged into the nature, thereby causing waste of water resources and environmental pollution. SUMMARY

[0004] In view of the defects in the prior art, the present application provides a wet manufactured sand preparation system and method. It can realize the functions of compensating for the manufactured sand after washing and reasonably utilizing the wastewater generated during the production of manufactured sand, thereby improving the quality of manufactured sand and preventing waste of water resources.

[0005] In order to solve the above technical problems, the present application solves the problems by the following technical scheme:

[0006] A wet manufactured sand preparation system, comprising a sand preparation device, a compensation device and a water recycling device; the sand preparation device comprises a sand preparation equipment, and the sand preparation equipment comprises a crusher, a screening machine and a sand washer; a conveying belt for conveying the manufactured sand after washing is arranged at the sand washer; the compensation device is used for compensating for the manufactured sand on the conveying belt; and the water recycling device is used for recycling the wastewater generated during the sand preparation of the sand preparation device.

[0007] Through the arrangement of the sand preparation device, the compensation device, the water recycling device, the crusher, the screening machine, the sand washer and the conveying belt in the present application, the quality of the manufactured sand is preferably ensured, and the waste of water resources is also preferably prevented.

[0008] Preferably, an anti-segregation device is arranged at the discharge port of the conveying belt to prevent segregation of the machine-made sand during falling; the anti-segregation device comprises a device body arranged at the discharge port of the conveying belt, the device body comprises a first discharging assembly, a second discharging assembly and a third discharging assembly connected in sequence along the falling direction; a first discharging channel is formed at the first discharging assembly, and the width of the first discharging channel is equal along the falling direction; a second discharging channel is formed at the second discharging assembly, and the width of the second discharging channel gradually decreases along the falling direction; a falling passage is formed at the third discharging assembly, and the width of the falling passage gradually decreases along the falling direction.

[0009] The first discharging assembly comprises a first bottom plate, and first baffles are arranged at both ends of the first bottom plate along the length direction of the first bottom plate and are perpendicular to the first bottom plate;

[0010] The first discharging channel is provided with a scattering assembly, and the scattering assembly comprises a plurality of second baffles arranged on the first bottom plate and staggered and inclined along the length direction of the first bottom plate;

[0011] The second discharging assembly comprises a second bottom plate in the shape of a trapezoid, and second baffles are arranged at both ends of the inclined side walls of the second bottom plate along the length direction of the side walls of the second bottom plate and are perpendicular to the second bottom plate;

[0012] The third discharging assembly comprises a third bottom plate in the shape of a trapezoid, and third baffles are arranged at both ends of the inclined side walls of the third bottom plate along the length direction of the side walls of the third bottom plate and are perpendicular to the third bottom plate, and the two third baffles are provided with cover plates away from one end of the third bottom plate, and the cover plates, the third bottom plate and the two third baffles jointly form a discharge port.

[0013] Through the arrangement of the device body, the first discharging assembly, the second discharging assembly, the third discharging assembly, the first discharging channel and the second discharging channel, segregation of the machine-made sand during falling is preferably prevented.

[0014] Through the arrangement of the first bottom plate and the first baffles, the machine-made sand is preferably prevented from sliding out of both ends of the first bottom plate.

[0015] Through the arrangement of the second baffles and the arrangement mode of the second baffles, the machine-made sand is preferably prevented from agglomerating during falling and is scattered by impact.

[0016] Through the arrangement of the second bottom plate and the second baffles, the space between the machine-made sands is preferably prevented from being large, and segregation is generated.

[0017] Through the arrangement of the third bottom plate, the third baffles and the cover plates, the machine-made sand is preferably prevented from being accumulated too high and overflowing the third baffles.

[0018] As preferred, the conveying belt is provided with a scattering device for scattering the manufactured sand on the conveying belt, the scattering device comprises a plurality of scattering device bodies arranged at the conveying belt support frame in the conveying direction of the conveying belt, the scattering device body comprises a support member for cooperating with the conveying belt support frame and a scattering assembly rotatably arranged at the support member; the scattering assembly comprises an ellipsoid-shaped frame for cooperating with the manufactured sand on the conveying belt.

[0019] As preferred, the scattering assembly comprises a mounting rod arranged in the width direction of the conveying belt, a plurality of curved rods are arranged on the outer side wall of the mounting rod in the circumferential direction of the central axis of the mounting rod, and the two ends of the curved rod are respectively connected to the outer side wall of the mounting rod; the mounting rods jointly form the frame.

[0020] The scattering device body has two support members respectively arranged at the two sides of the conveying belt, the support member comprises a channel steel welded vertically to the conveying belt support frame, and the side wall of the end of the channel steel away from the conveying belt support frame is recessed downward to form a limiting groove; the two ends of the mounting rod are respectively provided with a limiting rod penetrating through the limiting grooves of the two channel steels.

[0021] The frame is provided with a circular ring for connecting two adjacent curved rods and allowing the curved rods to pass through; the curved rods are made of bent steel bars.

[0022] Through the arrangement of the conveying belt support frame, the conveying belt, the support member, the scattering assembly and the frame in the present application, the clumping of the manufactured sand during transportation on the conveying belt is preferably prevented, and the quality of the manufactured sand is preferably improved.

[0023] Through the arrangement of the mounting rod, the curved rod and the frame in the present application, the clumping of the manufactured sand is preferably prevented.

[0024] Through the arrangement of the channel steel, the limiting groove and the limiting rod in the present application, the stability of the frame during rotation is preferably improved.

[0025] Through the arrangement of the circular ring in the present application, the structural strength of the frame is preferably improved.

[0026] Through the arrangement of the curved rod made of bent steel bars in the present application, it is convenient for the staff to make the curved rod.

[0027] As preferred, the compensation device comprises a compensation device body, the compensation device body comprises a sand storage tank and a cyclone, a material guiding pipe is arranged between the sand storage tank and the cyclone, an electromagnetic flowmeter for adjusting the flow rate of sand and stone in the material guiding pipe is arranged at the material guiding pipe; a material stirring mechanism for stirring the sand and stone in the sand storage tank is arranged in the sand storage tank; a scattering mechanism is arranged at the discharge port of the cyclone; the scattering mechanism is used for scattering the manufactured sand falling from the cyclone.

[0028] Preferably, the material turning mechanism comprises a motor arranged at the top end of the sand storage tank, a rotating shaft of the motor extending into the sand storage tank, and a mounting rod connected with the rotating shaft of the motor, a helical blade being arranged at the lower end of the mounting rod along the axial direction of the mounting rod.

[0029] The dispersing mechanism comprises a baffle arranged at the lower end of the discharge port of the cyclone, the baffle and the discharge port of the cyclone being connected by a steel mesh, one end of the steel mesh being connected to the upper end surface of the baffle, and the other end of the steel mesh being tied to the discharge port of the cyclone.

[0030] The compensation device body, the sand storage tank, the cyclone, the material guiding pipeline, the adjusting mechanism, the material turning mechanism and the dispersing mechanism are arranged, so that the initial speed of the sand entering the cyclone is prevented from being too fast or too slow, thereby affecting the compensation efficiency of the manufactured sand, and the sand particles are effectively prevented from being clustered in a large area, thereby affecting the quality of the manufactured sand.

[0031] The electromagnetic flowmeter is arranged, so that the staff can conveniently control the flow rate of the sand in the material guiding pipeline.

[0032] The motor, the mounting rod and the helical blade are arranged, so that the sand of different sizes is uniformly distributed in the sand storage tank.

[0033] The baffle and the steel mesh are arranged, so that the sand is prevented from being clustered, thereby affecting the quality of the manufactured sand.

[0034] Preferably, the water recycling device comprises a water recycling device body, the water recycling device body comprising a sand making equipment, a slurry tank, a blending pool, a sewage pool, a filter press and a clean water pool; the sand making equipment, the slurry tank, the blending pool, the filter press and the clean water pool are sequentially connected; the sewage pool is connected with the slurry tank, the blending pool and the filter press; the clean water pool is connected with the sand making equipment, so that the sewage generated by the sand making equipment is sequentially treated by the slurry tank, the blending pool and the filter press, and then discharged to the clean water pool and recycled to the sand making equipment.

[0035] Preferably, a first pipeline is arranged at the lower end of the slurry tank and communicates with the blending pool, a first slurry pump is arranged at the first pipeline and used for pumping the lower layer sewage in the slurry tank; a second pipeline is arranged at the upper end of the slurry tank and connected with a sand washer in the sand making equipment, a second slurry pump is arranged at the second pipeline and used for pumping the sewage in the sand washer and discharging the sewage to the slurry tank; a third pipeline is arranged at the side wall of the slurry tank and communicates the inside of the slurry tank with the sewage pool, and a third slurry pump is arranged at the third pipeline and used for pumping the middle and upper layer sewage in the slurry tank.

[0036] Preferably, the sewage pool is located below the support frame of the conveying belt in the sand making equipment; the fourth pipeline is arranged between the sewage pool and the preparation pool, and the fourth slurry pump for pumping sewage in the sewage pool and discharging the sewage into the preparation pool is arranged at the fourth pipeline; the fifth pipeline is arranged between the sewage pool and the filter press, and the fifth slurry pump for pumping sewage in the sewage pool and discharging the sewage into the filter press is arranged at the fifth pipeline; the sixth pipeline is arranged between the preparation pool and the filter press, and the sixth slurry pump for pumping sewage in the preparation pool and discharging the sewage into the filter press is arranged at the sixth pipeline; the seventh pipeline is arranged between the filter press and the clean water pool; and the eighth pipeline is arranged between the clean water pool and the sand washer in the sand making equipment, and the water pump for pumping clean water in the clean water pool and discharging the clean water into the sand washer is arranged at the eighth pipeline.

[0037] The sand making equipment, the slurry tank, the preparation pool, the sewage pool, the filter press and the clean water pool are arranged in the application, so that water resources are reasonably utilized, water resource waste is avoided, and sewage pollution of the environment is prevented.

[0038] The first pipeline, the first slurry pump, the second pipeline, the second slurry pump, the third pipeline and the third slurry pump are arranged in the application, so that workers are facilitated to handle sewage with different concentrations.

[0039] The sewage pool is arranged in the application, so that sewage flowing down the conveying belt is conveniently collected.

[0040] The fourth pipeline, the fourth slurry pump, the fifth pipeline and the fifth slurry pump are arranged in the application, so that sewage in the sewage pool is conveniently pumped into the filter press.

[0041] The sixth pipeline and the sixth slurry pump are arranged in the application, so that sewage in the preparation pool is conveniently transferred to the filter press.

[0042] The seventh pipeline is arranged in the application, so that sewage in the filter press is conveniently transferred to the clean water pool.

[0043] The eighth pipeline and the water pump are arranged in the application, so that the sand washer is conveniently supplied with water, and water resource waste is avoided.

[0044] The application provides a wet-process machine-made sand preparation method, which comprises the following steps,

[0045] S1: crushing, workers first load stones into a crusher through a conveying belt to crush the stones into small particles;

[0046] S2: screening, the small particles crushed in S1 are transported to a screening machine through a conveying belt to be screened;

[0047] S3: water washing, the screening machine screens suitable small particles into a sand washer, and the small particles are water washed through the sand washer, so that machine-made sand is obtained.

[0048] S4: compensation, after the washing of the manufactured sand is completed, the sand washing machine transfers the manufactured sand to the conveying belt, and the cyclone injects fine sand particles into the conveying belt during the conveying process to compensate for the manufactured sand. BRIEF DESCRIPTION OF DRAWINGS

[0049] Figure 1 A schematic view of the device body in Example 2.

[0050] Figure 2 A schematic view of the first discharging assembly in Example 2.

[0051] Figure 3 A schematic view of the second discharging assembly in Example 2.

[0052] Figure 4 A schematic view of the third discharging assembly in Example 2.

[0053] Figure 5 A schematic view of the conveying belt support frame, support piece, limiting groove, frame and conveying belt in Example 3.

[0054] Figure 6 A schematic view of the dispersing assembly in Example 3.

[0055] Figure 7 A schematic view of the compensation device body in Example 4.

[0056] Figure 8 A sectional view of the material overturning mechanism in Example 4.

[0057] Figure 9 A schematic view of the material overturning mechanism in Example 4.

[0058] Figure 10 A schematic view of the adjusting mechanism in Example 4.

[0059] Figure 11 A schematic view of the dispersing mechanism in Example 4.

[0060] Figure 12 A flow chart of the water recycling process for manufactured sand production in Example 5. DETAILED DESCRIPTION

[0061] For a further understanding of the present application, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments are merely illustrative of the present application and should not be construed as limiting.

[0062] Example 1

[0063] This embodiment provides a wet-process manufactured sand preparation system, which includes a sand making device, a compensation device, and a water recycling device. The sand making device includes sand making equipment, which includes a crusher, a screening machine, and a sand washing machine. The sand washing machine is equipped with a conveyor belt 2150 for conveying the washed manufactured sand. The compensation device is used to compensate for the manufactured sand on the conveyor belt 2150. The water recycling device is used to recycle the wastewater produced during the sand making process of the sand making device.

[0064] With the sand making device, compensation device, water recycling device, crusher, screening machine, sand washing machine, and conveyor belt 2150 configured in this embodiment, the manufactured sand falls onto the conveyor belt 2150 after being washed by the sand washing machine during the sand making process. At this time, the compensation device will compensate for the manufactured sand on the conveyor belt 2150, thereby better ensuring the quality of the manufactured sand. At the same time, a large amount of wastewater is generated during the washing process of the sand washing machine. The water recycling device will reasonably convert and utilize the wastewater produced in the sand washing machine, thereby better preventing the waste of water resources.

[0065] Example 2

[0066] like Figures 1-4 As shown, in this embodiment, an anti-segregation device is provided at the discharge port of the conveyor belt 2150 to prevent segregation of the manufactured sand during its descent. The anti-segregation device includes a device body 1110 located at the discharge port of the conveyor belt. The device body 1110 includes a first discharge assembly 1120, a second discharge assembly 1130, and a third discharge assembly 1140 connected sequentially along the discharge direction. A first discharge channel is formed at the first discharge assembly 1120, and the width of the first discharge channel is equal everywhere along the discharge direction. A second discharge channel is formed at the second discharge assembly 1130, and the width of the second discharge channel gradually decreases along the discharge direction. A discharge channel is formed at the third discharge assembly 1140, and the width of the discharge channel gradually decreases along the discharge direction.

[0067] The first feeding assembly 1120 includes a first base plate 1210, and both ends of the first base plate 1210 are provided with a first baffle 1220 that is arranged along the length direction of the first base plate 1210 and perpendicular to the first base plate 1210.

[0068] A dispersing component is provided at the first feeding channel. The dispersing component includes multiple second baffles 1230 that are disposed on the first base plate 1210 and are staggered and inclined along the length of the first base plate 1210.

[0069] The second feeding assembly 1130 includes a trapezoidal second base plate 1310, and a second baffle 1320 is provided at both ends of the inclined sidewalls of the second base plate 1310 along the length of the sidewalls of the second base plate 1310 and perpendicular to the second base plate 1310.

[0070] The third discharging assembly 1140 comprises a third bottom plate 1410 in the shape of a trapezoid, and the third bottom plate 1410 is provided with two third baffle plates 1320 arranged along the length direction of the side wall of the third bottom plate 1410 and perpendicular to the third bottom plate 1410 at the two ends of the inclined side wall of the third bottom plate 1410, and the two third baffle plates 1320 are provided with a cover plate 1430 away from one end of the third bottom plate 1410, and the cover plate 1430, the third bottom plate 1410 and the two third baffle plates 1320 jointly form a discharging port 1440.

[0071] Through the arrangement of the device body 1110, the first discharging assembly 1120, the second discharging assembly 1130, the third discharging assembly 1140, the first discharging channel and the second discharging channel in the embodiment, the worker sequentially welds the first discharging assembly 1120, the second discharging assembly 1130 and the third discharging assembly 1140 to form the device body 1110, and then the device body 1110 is welded at the discharging port of the conveying belt in an inclined manner. When the conveying belt conveys the manufactured sand to the discharging port, the manufactured sand falls from the discharging port into the device body 1110 and then slides into the silo from the first discharging assembly 1120, the second discharging assembly 1130 and the third discharging assembly 1140, respectively, so as to reduce the height difference between the discharging port of the conveying belt and the bottom of the silo, thereby preferably preventing the manufactured sand from being separated during the falling process.

[0072] Through the arrangement of the first bottom plate 1210 and the first baffle plate 1220 in the embodiment, when the manufactured sand slides on the first bottom plate 1210, the two first baffle plates 1220 block the manufactured sand, thereby preferably preventing the manufactured sand from sliding out of the two ends of the first bottom plate 1210.

[0073] Through the arrangement of the second baffle plate 1230 and the arrangement mode of the second baffle plate 1230 in the embodiment, when the manufactured sand slides along the first bottom plate 1210, the manufactured sand first collides with the second baffle plate 1230 on the first bottom plate 1210. Since the second baffle plate 1230 is arranged in an inclined manner, the manufactured sand slides along the second baffle plate 1230 and then collides with the next second baffle plate 1230, and this process is repeated for multiple times, thereby preferably preventing the manufactured sand from being agglomerated during the falling process and breaking the agglomeration through the collision.

[0074] Through the arrangement of the second bottom plate 1310 and the second baffle plate 1320 in the embodiment, when the manufactured sand passes through the first bottom plate 1210 and enters the second bottom plate 1310, the two second baffle plates 1320 on the second bottom plate 1310 gather the manufactured sand on the second bottom plate 1310 towards the middle part of the second bottom plate 1310, thereby preferably preventing the manufactured sand from having a large space therebetween and being separated.

[0075] The third bottom plate 1410, the third baffle 1320 and the cover plate 1430 are arranged in the embodiment, so that the machine-made sand is gathered by the second baffle 1320 on the second bottom plate 1310, and then slides into the third bottom plate 1410, and is gathered by the two third baffles 1320 on the third bottom plate 1410. After the machine-made sand is gathered, the machine-made sand is accumulated. When the machine-made sand passes through the third bottom plate 1410, the cover plate 1430 limits the machine-made sand in the discharge port 1440 to flow out, so that the machine-made sand is preferably prevented from being accumulated too high and overflowing the third baffle 1320.

[0076] Embodiment 3

[0077] Figure 5 and Figure 6 As shown in FIG. 15, in the embodiment, the conveying belt 2150 is provided with a scattering device for scattering the machine-made sand on the conveying belt 2150. The scattering device comprises a plurality of scattering device bodies arranged at the conveying belt support frame 2110 along the conveying direction of the conveying belt 2150. The scattering device body comprises a support 2120 for cooperating with the conveying belt support frame 2110 and a scattering assembly 2110 rotatably arranged at the support 2120. The scattering assembly 2110 comprises an ellipsoidal-shaped frame 2140 for cooperating with the machine-made sand on the conveying belt 2150.

[0078] In the embodiment, the scattering assembly 2110 comprises a mounting rod 2220 arranged along the width direction of the conveying belt 2150. A plurality of curved rods 2230 are arranged on the outer side wall of the mounting rod 2220 along the circumferential direction of the central axis of the mounting rod 2220. The two ends of the curved rod 2230 are respectively connected to the outer side wall of the mounting rod 2220. The mounting rods 2220 jointly form the frame 2140.

[0079] The scattering device body has two supports 2120 arranged respectively at the two sides of the conveying belt. The support 2120 comprises a channel steel welded vertically to the conveying belt support frame 2110. The end side wall of the channel steel away from the conveying belt support frame 2110 is recessed downward to form a limiting groove 2130. The limiting rods 2210 pass through the limiting grooves 2130 of the two channel steels.

[0080] The frame 2140 is provided with a circular ring 2240 for connecting two adjacent curved rods 2230 and allowing the curved rods 2230 to pass through. The curved rod 2230 is made of a bent reinforcing bar.

[0081] Through the arrangement of the conveying belt support frame 2110, the conveying belt 2150, the support 2120, the dispersing assembly 2110 and the frame 2140 in the embodiment, the conveying belt 2150 drives the machine-made sand to move on the conveying belt support frame 2110, and in the process of movement of the conveying belt 2150, the machine-made sand on the conveying belt 2150 pushes the frame 2140 to rotate, and in the process of rotation of the frame 2140, the machine-made sand on the conveying belt 2150 is dispersed, thereby preferably preventing the machine-made sand from being agglomerated in the process of transportation of the conveying belt 2150, and preferably improving the quality of the machine-made sand.

[0082] Through the arrangement of the mounting rod 2220, the curved rod 2230 and the frame 2140 in the embodiment, when the conveying belt 2150 drives the machine-made sand to move, the machine-made sand pushes the curved rod 2230, so that the frame 2140 rotates around the mounting rod 2220, thereby making the curved rod 2230 on the mounting rod 2220 continuously impact the machine-made sand on the conveying belt 2150, thereby preferably preventing the machine-made sand from being agglomerated.

[0083] Through the arrangement of the channel steel, the limiting groove 2130 and the limiting rod 2210 in the embodiment, when the machine-made sand pushes the frame 2140 to rotate, the mounting rod 2220 is driven to rotate, and the two limiting rods 2210 are driven to rotate in the limiting groove 2130, thereby preferably improving the stability of the frame 2140 when rotating.

[0084] Through the arrangement of the circular ring 2240 in the embodiment, the circular ring 2240 connects all the curved rods 2230, thereby preferably improving the structural strength of the frame 2140.

[0085] Through the arrangement that the curved rod 2230 is made of a reinforcing bar bent, the reinforcing bar is everywhere on the construction site, and the reinforcing bar is convenient to obtain; the staff bends the reinforcing bar to a desired angle through a reinforcing bar bending machine, so that the curved rod 2230 is made, and the two ends of the bent curved rod 2230 are respectively welded on the mounting rod 2220, thereby preferably facilitating the staff to make the curved rod 2230.

[0086] Embodiment 4

[0087] As Figures 7-11As shown, in the embodiment, the compensation device comprises a compensation device body 3100, the compensation device body 3100 comprises a sand storage tank 3110 and a cyclone 3160, a material guide pipe 3150 is arranged between the sand storage tank 3110 and the cyclone 3160, and an electromagnetic flowmeter 4410 for adjusting the flow rate of sand and stone in the material guide pipe 3150 is arranged at the material guide pipe 3150; the sand storage tank 3110 is provided with a material stirring mechanism for stirring the sand and stone in the sand storage tank 3110; and a dispersing mechanism is arranged at the discharge opening of the cyclone 3160, and the dispersing mechanism is used for dispersing the machine-made sand falling from the cyclone 3160.

[0088] In the embodiment, the material stirring mechanism comprises a motor 3130 arranged at the top end of the sand storage tank 3110, the rotating shaft of the motor 3130 extends into the sand storage tank 3110, the sand storage tank 3110 is provided with a mounting rod 3210 connected with the rotating shaft of the motor 3130, and a spiral blade 3220 is arranged on the mounting rod 3210 in the axial direction of the mounting rod 3210 at the lower end of the mounting rod 3210.

[0089] The dispersing mechanism comprises a baffle 5520 arranged at the lower end of the discharge opening of the cyclone 3160, the baffle 5520 and the discharge opening of the cyclone 3160 are connected through a steel mesh 5510, one end of the steel mesh 5510 is connected to the upper end face of the baffle 5520, and the other end of the steel mesh 5510 is tied to the discharge opening of the cyclone 3160.

[0090] Through the arrangement of the compensation device body 3100, the sand storage tank 3110, the cyclone 3160, the material guide pipe 3150, the adjusting mechanism, the material stirring mechanism and the dispersing mechanism in the embodiment, the sand and water for compensation enter the sand storage tank 3110 from the sand inlet 3120 and the water inlet 3140 on the sand storage tank 3110 respectively, the material stirring mechanism stirs the sand in the sand storage tank 3110, so that the size distribution of the sand in the upper and lower layers of the sand storage tank 3110 is uniform, thereby preferably preventing the uneven distribution of fine sand particles for compensation; the adjusting mechanism adjusts the flow rate of sand and stone in the material guide pipe 3150, thereby controlling the initial speed of sand and stone entering the cyclone 3160, thereby preferably preventing the initial speed of sand and stone entering the cyclone 3160 from being too fast or too slow, thereby affecting the compensation efficiency of machine-made sand; and the dispersing mechanism disperses the grouped sand during the falling process of the sand for compensation from the discharge opening of the cyclone 3160, thereby effectively avoiding the large-area grouping of sand and stone particles for compensation, which affects the quality of machine-made sand.

[0091] Through the arrangement of the electromagnetic flowmeter 4410 in the embodiment, the flow rate of sand in the material guide pipe 3150 is accurately controlled through the electromagnetic flowmeter 4410, thereby preferably facilitating the control of the flow rate of sand in the material guide pipe 3150 by the staff.

[0092] Through the arrangement of the motor 3130, the mounting rod 3210 and the spiral blade 3220 in the embodiment, the motor 3130 drives the mounting rod 3210 to rotate, the mounting rod 3210 drives the spiral blade 3220 to rotate, and the spiral blade 3220 rotates to turn the sand at the lower end in the sand storage tank 3110 to the upper end, so that the sand of different sizes is evenly distributed in the sand storage tank 3110.

[0093] Through the arrangement of the baffle 5520 and the steel mesh 5510 in the embodiment, the staff can conveniently install the baffle 5520 at the discharge port of the cyclone 3160 by tying the steel mesh 5510 at the discharge port of the cyclone 3160. When the sand falls from the discharge port of the cyclone 3160, the sand can hit the baffle 5520, so that the agglomerated sand is dispersed, thereby preferably preventing the agglomeration of the sand and affecting the quality of the manufactured sand.

[0094] Embodiment 5

[0095] As shown in Figure 12 the embodiment, the water recycling device includes a water recycling device body, the water recycling device body includes a sand making equipment, a slurry tank, a blending pool, a sewage pool, a filter press and a clean water pool; the sand making equipment, the slurry tank, the blending pool, the filter press and the clean water pool are sequentially connected; the sewage pool is connected with the slurry tank, the blending pool and the filter press respectively; the clean water pool is connected with the sand making equipment, so that the sewage generated by the sand making equipment is sequentially treated by the slurry tank, the blending pool and the filter press, and then discharged to the clean water pool and recycled to the sand making equipment.

[0096] In the embodiment, the slurry tank is provided with a first pipeline connected with the blending pool at the lower end, and a first slurry pump for pumping the lower layer sewage in the slurry tank is arranged at the first pipeline; the slurry tank is provided with a second pipeline connected with a sand washer in the sand making equipment at the upper end, and a second slurry pump for pumping the sewage in the sand washer and discharging to the slurry tank is arranged at the second pipeline; the slurry tank is provided with a third pipeline connecting the inside of the slurry tank with the sewage pool at the side wall, and a third slurry pump for pumping the middle and upper layer sewage in the slurry tank is arranged at the third pipeline.

[0097] In the embodiment, the sewage pool is located below the conveying belt support frame 2110 in the sand making equipment; a fourth pipeline is arranged between the sewage pool and the preparation pool, and a fourth slurry pump for pumping sewage in the sewage pool and discharging the sewage into the preparation pool is arranged at the fourth pipeline; a fifth pipeline is arranged between the sewage pool and the filter press, and a fifth slurry pump for pumping sewage in the sewage pool and discharging the sewage into the filter press is arranged at the fifth pipeline; a sixth pipeline is arranged between the preparation pool and the filter press, and a sixth slurry pump for pumping sewage in the preparation pool and discharging the sewage into the filter press is arranged at the sixth pipeline; a seventh pipeline is arranged between the filter press and the clean water pool; an eighth pipeline is arranged between the clean water pool and the sand washer in the sand making equipment, and a water pump for pumping clean water in the clean water pool and discharging the clean water into the sand washer is arranged at the eighth pipeline.

[0098] Through the arrangement of the sand making equipment, the slurry tank, the preparation pool, the sewage pool, the filter press and the clean water pool in the embodiment, the sewage pool is used to collect sewage falling from the conveying belt in the process of preparing machine-made sand, so that the sewage is prevented from polluting the environment; the slurry tank is used to collect sewage for washing stone particles in the sand washer, and the sewage sequentially passes through the preparation pool and the filter press. When the sewage passes through the preparation pool, the worker adjusts the viscosity of the sewage in the preparation pool by adding a certain proportion of flocculating agent and anti-flocculating agent into the preparation pool, so as to control the viscosity within the applicable range of the filter press. Then, the sewage passes through the filter press, the filter press processes the sewage, and then discharges the processed sewage into the clean water pool for use by the sand washer. Thus, the water resources are reasonably utilized, the waste of water resources is avoided, and the sewage is prevented from polluting the environment.

[0099] Through the arrangement of the first pipeline, the first slurry pump, the second pipeline, the second slurry pump, the third pipeline and the third slurry pump in the embodiment, the second slurry pump pumps the sewage in the sand washer into the slurry tank, the first slurry pump pumps the lower sewage and sludge in the slurry tank into the preparation pool after the sewage in the slurry tank is settled, and the third slurry pump pumps the middle and upper sewage in the slurry tank into the sewage pool for standby use, so that the worker is facilitated to process sewage with different concentrations.

[0100] Through the arrangement of the position of the sewage pool in the embodiment, the sewage pool is located below the conveying belt support frame in the sand making equipment, so that the sewage flowing down the conveying belt is conveniently collected.

[0101] Through the arrangement of the fourth pipeline, the fourth slurry pump, the fifth pipeline and the fifth slurry pump in the embodiment, the fourth slurry pump pumps the sewage in the sewage pool into the preparation pool, so that the concentration of sludge in the preparation pool is lowered, then the worker adds a certain amount of flocculating agent and anti-flocculating agent into the preparation pool, so that the worker is facilitated to adjust the viscosity of the sewage in the preparation pool; the fifth slurry pump pumps the sewage in the sewage pool into the filter press through the fifth pipeline for processing, so that the worker is facilitated to pump the sewage in the sewage pool into the filter press.

[0102] Through the setting of the sixth pipeline and the sixth slurry pump in the embodiment, the sixth slurry pump can pump the sewage prepared in the preparation tank into the filter press through the sixth pipeline, so that the sewage in the preparation tank can be conveniently transferred to the filter press.

[0103] Through the setting of the seventh pipeline in the embodiment, the sewage treated by the filter press can flow into the clean water tank from the seventh pipeline, so that the sewage in the filter press can be conveniently transferred to the clean water tank.

[0104] Through the setting of the eighth pipeline and the water pump in the embodiment, the water pump can pump the clean water in the clean water tank into the sand washing machine through the eighth pipeline, so that the water supply to the sand washing machine is facilitated, and the waste of water resources is avoided.

[0105] The embodiment provides a wet-process machine-made sand preparation method, including the following steps,

[0106] S1: crushing, workers first load the stones into a crusher through a conveyor belt to crush the stones into small particles;

[0107] S2: screening, the small particles crushed in S1 are transported to a screening machine through a conveyor belt to be screened;

[0108] S3: water washing, the screening machine screens the small particles into a sand washing machine, and the small particles are water washed through the sand washing machine, so that machine-made sand is obtained;

[0109] S4: compensation, after the water washing of the machine-made sand is completed, the sand washing machine transfers the machine-made sand to a conveyor belt 2150, and a cyclone 3160 injects fine sand particles into the conveyor belt 2150 to compensate for the machine-made sand in the conveying process of the conveyor belt 2150.

[0110] In summary, the above only describes the preferred embodiments of the present application, and any equivalent changes and modifications made according to the patent application scope of the present application shall belong to the coverage range of the present application.

Claims

1. A wet process machine-made sand production system, characterized by: The sand making device, the compensation device and the water recycling device are included; the sand making device includes a sand making equipment, which includes a crusher, a screening machine and a sand washer; the sand washer is provided with a conveying belt for conveying the sand washed by the sand washer; The compensation device is used for compensating the sand on the conveying belt; the water recycling device is used for recycling the sewage produced in the sand making process of the sand making device; The water recycling device includes a water recycling device main body, which includes a sand making equipment, a slurry tank, a deployment pool, a sewage pool, a filter press and a clean water pool; the sand making equipment, the slurry tank, the deployment pool, the filter press and the clean water pool are sequentially connected; the sewage pool is connected with the slurry tank, the deployment pool and the filter press respectively; the clean water pool is connected with the sand making equipment, so that the sewage produced by the sand making equipment is sequentially treated by the slurry tank, the deployment pool and the filter press, and then discharged to the clean water pool and recycled to the sand making equipment; The lower end of the slurry tank is provided with a first pipeline connected with the deployment pool; the first pipeline is provided with a first slurry pump for pumping the lower layer sewage in the slurry tank; the upper end of the slurry tank is provided with a second pipeline connected with the sand washer in the sand making equipment; the second pipeline is provided with a second slurry pump for pumping the sewage in the sand washer and discharging the sewage to the slurry tank; the side wall of the slurry tank is provided with a third pipeline connecting the inside of the slurry tank with the sewage pool; the third pipeline is provided with a third slurry pump for pumping the middle and upper layer sewage in the slurry tank; The sewage pool is located below the conveying belt support frame in the sand making equipment; the fourth pipeline is provided between the sewage pool and the deployment pool; the fourth pipeline is provided with a fourth slurry pump for pumping the sewage in the sewage pool and discharging the sewage to the deployment pool; the fifth pipeline is provided between the sewage pool and the filter press; the fifth pipeline is provided with a fifth slurry pump for pumping the sewage in the sewage pool and discharging the sewage to the filter press; the sixth pipeline is provided between the deployment pool and the filter press; the sixth pipeline is provided with a sixth slurry pump for pumping the sewage in the deployment pool and discharging the sewage to the filter press; the seventh pipeline is provided between the filter press and the clean water pool; the eighth pipeline is provided between the clean water pool and the sand washer in the sand making equipment; the eighth pipeline is provided with a water pump for pumping the clean water in the clean water pool and discharging the clean water to the sand washer.

2. The system for producing wet-process machine-made sand according to claim 1, characterized in that: The compensation device includes a compensation device main body, which includes a sand storage tank and a cyclone; the sand storage tank and the cyclone are provided with a material guiding pipeline; the material guiding pipeline is provided with an electromagnetic flowmeter for adjusting the flow rate of the sand and stones in the material guiding pipeline; the sand storage tank is provided with a material turning mechanism for turning the sand and stones in the sand storage tank; the cyclone is provided with a scattering mechanism at the discharge port; the scattering mechanism is used for scattering the sand made from the cyclone.

3. The system for producing wet process machine-made sand according to claim 2, characterized in that: The material turning mechanism includes a motor arranged at the top end of the sand storage tank; the rotating shaft of the motor extends into the sand storage tank; the sand storage tank is provided with a mounting rod one connected with the rotating shaft of the motor; the lower end of the mounting rod one is provided with a spiral blade along the axial direction of the mounting rod one; The scattering mechanism includes a baffle arranged at the lower end of the discharge port of the cyclone; the baffle and the discharge port of the cyclone are connected through a steel mesh; one end of the steel mesh is connected to the upper end surface of the baffle; the other end of the steel mesh is tied to the discharge port of the cyclone.

4. The system for producing wet-process machine-made sand according to claim 1, characterized in that: The conveying belt is provided with a scattering device for scattering the machine-made sand on the conveying belt, the scattering device comprises a plurality of scattering device bodies arranged at the conveying belt support frame in the conveying direction of the conveying belt, the scattering device body comprises a support member for cooperating with the conveying belt support frame and a scattering assembly rotatably arranged at the support member; the scattering assembly comprises an ellipsoid-shaped frame for cooperating with the machine-made sand on the conveying belt.

5. The system for producing wet-process machine-made sand according to claim 4, characterized in that: The scattering assembly comprises a mounting rod two arranged in the width direction of the conveying belt, a plurality of curved rods are arranged on the outer side wall of the mounting rod two in the circumferential direction of the central axis of the mounting rod two, and the two ends of the curved rods are connected to the outer side wall of the mounting rod two; the mounting rod two forms the frame together; The scattering device body has two support members arranged on the two sides of the conveying belt respectively, the support member comprises a channel steel welded vertically to the conveying belt support frame, and the side wall of the end of the channel steel away from the conveying belt support frame is recessed downward to form a limiting groove; the two ends of the mounting rod two are provided with limiting rods respectively penetrating through the limiting grooves of the two channel steels; A circular ring is arranged on the frame for connecting two adjacent curved rods and allowing the curved rods to pass through; the curved rods are made of bent steel bars.

6. The system for producing wet-process machine-made sand according to claim 1, characterized in that: The discharge port of the conveying belt is provided with an anti-segregation device for preventing segregation of the machine-made sand during falling; the anti-segregation device comprises a device body arranged at the discharge port of the conveying belt, the device body comprises a first discharging assembly, a second discharging assembly and a third discharging assembly connected in sequence in the falling direction; a first discharging channel is formed at the first discharging assembly, the width of the first discharging channel is equal everywhere in the falling direction; a second discharging channel is formed at the second discharging assembly, the width of the second discharging channel gradually decreases in the falling direction; a discharging passage is formed at the third discharging assembly, the width of the discharging passage gradually decreases in the falling direction; The first discharging assembly comprises a first bottom plate, and first baffles are arranged at the two ends of the first bottom plate in the length direction of the first bottom plate and perpendicular to the first bottom plate; The first discharging channel is provided with a scattering assembly, the scattering assembly comprises a plurality of second baffles arranged on the first bottom plate and staggered and inclined in the length direction of the first bottom plate; The second discharging assembly comprises a second bottom plate in the shape of a trapezoid, and third baffles are arranged at the inclined side walls of the two ends of the second bottom plate in the length direction of the side walls of the second bottom plate and perpendicular to the second bottom plate; The third discharging assembly comprises a third bottom plate in the shape of a trapezoid, and fourth baffles are arranged at the inclined side walls of the two ends of the third bottom plate in the length direction of the side walls of the third bottom plate and perpendicular to the third bottom plate, and covers are arranged at the ends of the two fourth baffles away from the third bottom plate, the covers, the third bottom plate and the two fourth baffles form a discharge port together.

7. A wet machine-made sand preparation method realized by the wet machine-made sand preparation system of any one of claims 1-6.

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