CN219581231U - Large sand making equipment integrating sand washing and screening - Google Patents

Abstract

The utility model provides a large-scale sand making equipment of sand washing sand screening integration, including advancing sand device, vibration screening plant, spray cleaning system, bucket-type belt cleaning device, collection device, high-pressure gas stirs screening plant, the grit material is via advancing sand device, fall onto vibration conveyor belt of vibration screening plant, big building stones roll off on the building stones transport mechanism of lower extreme spray cleaning system, little sand material is transported to the upper end and falls into bucket-type belt cleaning device, big building stones are sent to the building stones after cleaning via spray device and stack the district, the sand water mixture who washs enters into the hopper case through below deposit dish delivery port, scatter and wash together with little sand material, the sand material that has handled is carried high-pressure gas by spiral sand feeding mechanism and is stirred in screening plant, screen out the sand material that the particle diameter is different from each layer outlet. The floats in the sand and stone materials enter the collecting device through the drain pipe through the overflow port of the material box to be filtered, and the filtered water is returned to the spray cleaning system for recycling through the water treatment and recovery device by the water suction pump.

Description

Large sand making equipment integrating sand washing and screening

Technical Field

The utility model relates to the technical field of sand washing and screening, in particular to large sand making equipment integrating sand washing and screening.

Background

In the engineering construction and sand production industry, various impurities and dust are mixed in sand and stones for various reasons, so that the requirements of the engineering construction quality, particularly the strength after pouring of concrete and other materials, or the commercial use of sand and stones are met, the sand and stones are often required to be cleaned and screened for the second time in the process, the impurities are removed, and meanwhile, the requirements of various indexes such as the cleanliness and granularity of sand grains in the engineering are met, so that the bean curd residue engineering is avoided. In this regard, measures in engineering are generally manual sand-washing and semi-mechanized operations, and there are also few small-sized full-automatic mechanical equipment for sand-washing and sand-washing combination. The water consumption of sand washing and screening operation is large, and pollution discharge also becomes a great difficulty for limiting the development of the industry.

For example, CN 106000863A discloses an automatic efficient multistage sand washing and screening device, which comprises a barrel, a material distributing seat, an air cylinder and a sand sucking pump, wherein a material distributing plate is arranged in the barrel, a plurality of feed inlets are formed in the material distributing seat, a connecting plate on the inner wall of the barrel is connected with the air cylinder through a connecting rod, a first sand outlet barrel, a second sand outlet barrel, a third sand outlet barrel and a fourth sand outlet barrel are sequentially arranged at the bottom end of the barrel from inside to outside, each sand outlet barrel is respectively connected with a first mesh screen, a second mesh screen, a third mesh screen and a sliding plate which are fixed on the connecting plate through hinges, a plurality of vibrating plates are arranged on the connecting plate, a water purifying pipe at the lower end of the material distributing seat is provided with a nozzle, a water inlet pipe of the sand sucking pump is arranged in the sand pond, and a water outlet pipe is arranged at the upper part of the feed hopper. The sand washing and screening device can automatically carry out multistage screening and cleaning on the mixed gravel during sand collection, and has high cleaning and screening efficiency.

The device can realize multistage screening and cleaning to sand material, but does not mention how sewage is handled, has fine sand to waste along with the loss of sand washing water simultaneously.

A circulating water type sand washer as disclosed in CN 208261416U, has a sand washer comprising a series of sand washing devices connected in series, a front conveyor, a washing tank, a water inlet pipe, and a rear conveyor; a circle of chassis pool is arranged around the device; one end of the chassis pool is connected with one end of a water outlet pipe; the other end of the water outlet pipe is connected with a multi-stage precipitation water purifying tank; the bottom of the multistage sedimentation water purifying pond is communicated with a mud drain pipe, and the tail end of the multistage sedimentation water purifying pond is connected with a water return pipe with a water pump; the return water pipe is directly connected with the washing hopper and is used for pre-washing sand and stone; the circulating water type sand washer is simple and reasonable in structure, labor amount is reduced, labor efficiency is improved, waste water for sand washing is recycled, environmental protection is facilitated, and cost is reduced.

The device can wash sand waste water cyclic utilization, but to the screening of sand grain not mention, and this equipment sediment structure is complicated, and the operating efficiency is lower, is fit for small-size operation, is not fit for large-scale sand washing screening sand cleaning operation.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a large-scale sand making device integrating sand washing and screening, which can automatically clean and screen sand materials in large sand factories and construction engineering, and can meet the requirements of automatic cleaning and screening of a large amount of sand materials and solve the problem of pollution discharge.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a large-scale sand making equipment of sand washing sand screening integration, includes sand feeding device, still includes vibration screening plant, spray cleaning system, bucket type belt cleaning device, collection device, high-pressure gas stirring screening plant, sand feeding device includes sand feeding adjustment mechanism, sand feeding adjustment mechanism export below sets up vibration screening plant, vibration screening plant includes the vibration conveyer belt, vibration conveyer belt building stones exit end is provided with spray cleaning system, vibration conveyer belt sand material exit end below is provided with bucket type belt cleaning device, bucket type belt cleaning device includes the workbin, the workbin lower part is provided with the water inlet, spray cleaning system includes the deposit dish, the deposit dish bottom is provided with the delivery port, the delivery port of workbin and deposit dish bottom is through the connecting pipe intercommunication, workbin upper portion is provided with the overflow mouth, the overflow mouth is through blow off pipe intercommunication collection device, collection device includes floater collection device, floater collection device export below sets up water treatment recovery unit, water treatment recovery unit links to each other with cleaning system through suction pump and pipeline, bucket type belt building stones exit end is provided with spray cleaning system, spiral feed mechanism fixes in the workbin exit side, spiral feed mechanism export is provided with high-pressure gas stirring device and gas stirring screening plant, the high-pressure gas screening plant is provided with the gas screening device.

In the preferred scheme, the sand feeding device further comprises a hopper, and the sand feeding adjusting mechanism is fixedly arranged at the outlet end of the hopper and is a group of movable baffles which are symmetrically arranged.

In the preferred scheme, vibration screening device still includes the vibration frame, and the vibration conveyer belt is fixed on the vibration frame, and the vibration frame is fixed in the below of advancing sand device.

In the preferred scheme, spray cleaning system still includes spray set and building stones transport mechanism, and spray set sets up directly over building stones transport mechanism, and the deposition disc sets up directly under building stones transport mechanism.

In the preferred scheme, the bucket cleaning device further comprises a sand-casting shaft and a sand-casting gear, wherein the sand-casting shaft is fixed at the inlet side of the material box, a plurality of groups of sand-casting gears are arranged on the sand-casting shaft, and a plurality of sand-casting blades are arranged on the sand-casting gear.

In the preferred scheme, screening mechanism is provided with the different aperture of multilayer, the screen cloth of slope arrangement, and every layer of screen cloth department all is provided with the sand outlet, and every layer of screen cloth's side and bottom all are provided with the air inlet that links to each other with the gas feeding device, and the gas feeding device is gas supercharging equipment.

In the preferred scheme, the sand-casting blade is of a special-shaped arc hollow structure, the root end connected with the overturning shaft is narrow, the end far away from the overturning shaft is wide, the end far away from the overturning shaft is an oblique cambered surface, the bottom is a sharp angle surface, and the upper part is an obtuse angle surface.

In the preferred scheme, the angle between the vibration conveyor belt and the horizontal plane is less than or equal to 45 degrees, and the transmission direction of the vibration conveyor belt is from the lower end to the upper end.

In the preferred scheme, the spiral sand conveying mechanism is fixed at the outlet side of the material box in an inclined angle, and the transmission direction of the spiral sand conveying mechanism is from the lower end to the upper end.

The utility model provides a large sand making device integrating sand washing and screening, which has the following beneficial effects:

1. the method meets the requirement of fully automatic mechanical one-time cleaning and screening qualification of large-batch sand stones in the engineering construction and sand production industry, and provides a basic guarantee for the guarantee of engineering construction quality.

2. The method realizes the cyclic use of sand washing water, solves the pollution discharge problem of sand washing and screening operation, saves the operation cost and the resource cost, and improves the recovery rate of sand materials.

3. The device has further guaranteed the cleanliness factor of sand grain and has washed sand screening operation environment's clean through the floater collection device that sets up, further provides the guarantee for environmental protection operation.

4. The device carries out proper air drying treatment to the sand particles through the high-pressure gas stirring screening device, reduces the cost of post-treatment, and meets the requirements of various construction operations.

5. The device carries out secondary treatment and further breaks up the grit material through the multiunit sand-casting gear that is provided with the multi-disc sand-casting blade for the sand yield is higher, and the finished product sand material is finer.

6. The device sets up the gear that turns into sand for hollow structure, and the root end that links to each other with the tilting axis is narrow, keeps away from the tilting axis end wide, keeps away from the tilting axis end and is oblique cambered surface, and the bottom is sharp angular surface, and upper portion is obtuse angle face, and the pivot links to each other with outer wheel structure via several girders, and this structure has good mechanical properties, can drive silt and move in water, breaks up it simultaneously, and this structure material is saved, has practiced thrift the cost.

Drawings

The utility model is further described below with reference to the accompanying drawings and examples of implementation:

fig. 1 is an overall structure diagram of a large sand making device integrating sand washing and screening.

Fig. 2 is a structural view of the sand feeding device.

Fig. 3 is a block diagram of a vibratory screening device.

Fig. 4 is a block diagram of a spray cleaning system.

Fig. 5 is a structural view of the bucket washer.

Fig. 6 is a schematic view of a sand casting blade.

Fig. 7 is a block diagram of a high pressure gas agitation screening apparatus.

FIG. 8 is a schematic view of the bottom layer air flow channel design and air outlet in a high pressure gas agitation screening apparatus.

FIG. 9 is a schematic illustration of the design of the upper middle air flow channels and air outlets in a high pressure gas agitation screening apparatus.

In the figure: the sand feeding device 1, the vibration screening device 2, the spray cleaning system 3, the bucket cleaning device 4, the collecting device 5, the high-pressure gas stirring screening device 6, the connecting pipe 7, the blow-off pipe 8, the water suction pump 9, the hopper 101, the sand feeding adjusting mechanism 102, the vibration conveyor 201, the vibration frame 202, the sedimentation tray 301, the spraying device 302, the stone material conveying mechanism 303, the material box 401, the spiral sand feeding mechanism 402, the sand casting shaft 403, the sand casting gear 404, the sand casting blade 405, the float collecting device 501, the water treatment recovery device 502, the screening mechanism 601 and the gas feeding device 602.

Detailed Description

As shown in fig. 1-9, the large sand making equipment integrating sand washing and screening comprises a sand feeding device 1, a vibration screening device 2, a spray cleaning system 3, a bucket cleaning device 4, a collecting device 5 and a high-pressure gas stirring screening device 6, wherein the sand feeding device 1 comprises a sand feeding adjusting mechanism 102, the vibration screening device 2 is arranged below an outlet of the sand feeding adjusting mechanism 102, the vibration screening device 2 comprises a vibration conveyor belt 201, a spray cleaning system 3 is arranged at a stone outlet end of the vibration conveyor belt 201, the bucket cleaning device 4 is arranged below a sand outlet end of the vibration conveyor belt 201, the bucket cleaning device 4 comprises a material box 401, a water inlet is arranged at the lower part of the material box 401, the spray cleaning system 3 comprises a sedimentation disc 301, a water outlet is arranged at the bottom of the sedimentation disc 301, the water inlet of the feed box 401 is communicated with the water outlet at the bottom of the sedimentation plate 301 through a connecting pipe 7, an overflow port is formed in the upper portion of the feed box 401 and is communicated with a collecting device 5 through a drain pipe 8, the collecting device 5 comprises a floating object collecting device 501, a water treatment recovery device 502 is arranged below the outlet of the floating object collecting device 501, the water treatment recovery device 502 is connected with a spray cleaning system 3 through a water suction pump 9 and a pipeline, the bucket cleaning device 4 comprises a spiral sand conveying mechanism 402, the spiral sand conveying mechanism 402 is fixed on the outlet side of the feed box 401, a high-pressure gas stirring and screening device 6 is arranged at the outlet of the spiral sand conveying mechanism 402, the high-pressure gas stirring and screening device 6 comprises a screening mechanism 601 and a gas feeding device 602, the gas feeding device 602 is communicated with the screening mechanism 601, and the screening mechanism 601 is provided with a sand outlet.

In this embodiment, the sand feeding device 1 further includes a hopper 101, and the sand feeding adjusting mechanism 102 is installed and fixed at the outlet end of the hopper 101, and is a set of movable baffles symmetrically arranged. The vibrating screen device 2 further comprises a vibrating frame 202, the vibrating conveyor 201 is fixed on the vibrating frame 202, and the vibrating frame 202 is fixed below the sand feeding device 1.

The spray cleaning system 3 further comprises a spray device 302 and a stone transport mechanism 303, wherein the spray device 302 is arranged right above the stone transport mechanism 303, and the deposition plate 301 is arranged right below the stone transport mechanism 303. The bucket cleaning device 4 further comprises a sand-casting shaft 403 and a sand-casting gear 404, the sand-casting shaft 403 is fixed on the inlet side of the material box 401, a plurality of groups of sand-casting gears 404 are arranged on the sand-casting shaft 403, and the sand-casting gears 404 are provided with a plurality of sand-casting blades 405.

The screening mechanism 601 is provided with a plurality of layers of screens with different apertures and inclined arrangement, sand outlets are formed in the positions of each layer of screens, air inlets connected with the air feeding device 602 are formed in the side face and the bottom of each layer of screens, and the air feeding device 602 is gas supercharging equipment.

The specific use is as follows: the sand and stone material falls onto the vibration conveyor 201 of the vibration screening device 2 through the sand feeding device 1, large sand and stone material rolls onto the stone conveying mechanism 303 of the lower-end spray cleaning system 3 under the vibration action of the vibration conveyor 201, small sand and stone material is conveyed to the upper-end to fall into the bucket cleaning device 4, after being cleaned through the spraying device 302, the large sand and stone material is conveyed to a stone stacking area through the stone conveying mechanism 303 to be stored for later use, sand and water mixture cleaned on the stone material falls into the sedimentation disc 301 of the spray cleaning system 3, enters the material box 401 of the bucket cleaning device 4 through the water outlet at the bottom of the sedimentation disc 301, a plurality of sand and stone shafts 403 are arranged in the material box 401, a plurality of sand and stone materials are arranged on the sand and stone material stirring of the sand and stone material stirring shafts 403, the sand and water mixture after being processed is conveyed to the high-pressure gas screening device 6 through the spiral sand conveying mechanism 402, and the sand and water mixture is screened through the inclined screen cloth mechanisms 601, and the sand and stone materials with different grain sizes are discharged from the layers. The floats in the sand and stone material float up to the surface layer of sand and water mixture under the stirring of sand casting blade 405 of sand casting gear 404, and the overflow port of feed box 401 is passed through drain pipe 8 and fed into float collecting device 501 of collecting device 5 to make filtration and collection, and the filtered water is passed through water treatment recovery device 502 to make muddy water quickly separate, implement sewage change clear water, pumped back to spray cleaning system 3 by suction pump 9 and circularly used, and the separated mud is deposited in water treatment recovery device 502 and collected into blocks for recovery.

In the preferred scheme, a sand inlet adjusting mechanism 102 is arranged on a hopper 101 of the sand inlet device 1 and used for adjusting and controlling the entering amount and speed of sand and stone materials, so that the quality and efficiency of subsequent vibration screening are facilitated, and the follow-up sand and stone separation is ensured to be full and thorough.

In a preferred scheme, the vibration screening device 2 comprises a vibration conveyor belt 201 and a vibration frame 202, wherein the angle between the vibration conveyor belt 201 and the horizontal plane is less than or equal to 45 degrees, and the transmission direction of the vibration conveyor belt 201 is from the lower end to the upper end. After the sand and stone material falls onto the vibration conveyer belt 201, the sand and stone material is separated under the vibration action of the sand and stone material, and large stones cannot adhere to the vibration conveyer belt 201 due to the fact that gravity is larger than friction force, and roll down to the stone conveying mechanism 303 of the spray cleaning system 3, the sand and stone material is scattered and separated under the vibration action of the vibration conveyer belt 201, and then conveyed to an upper sand and stone material outlet end through the vibration conveyer belt 201, and falls into the bucket cleaning device 4.

In the preferred scheme, the sand casting blade 405 is a special-shaped arc hollow structure, the root end connected with the turning shaft 403 is narrow, the end far away from the turning shaft 403 is wide, the end far away from the turning shaft 403 is an oblique cambered surface, the bottom is a sharp angle surface, and the upper part is an obtuse angle surface, so that the structural design has good mechanical properties, is favorable for fully scattering and cleaning a sand-water mixture, and enables floaters in sand materials to float on the water surface rapidly, and meanwhile, the material is saved.

In the preferred scheme, the spiral sand feeding mechanism 402 is fixed at the outlet side of the material box 401 in an inclined angle, and the transmission direction of the spiral sand feeding mechanism 402 is from the lower end to the upper end, so that the structural design is beneficial to the rapid separation of sand materials and muddy water.

In a preferred scheme, the screening mechanism 601 is provided with a plurality of layers of screens with different apertures and inclined arrangement, each layer of screen is provided with a sand outlet, the side surface and the bottom of each layer of screen are provided with air inlets connected with the air feeding device 602, the air feeding device 602 is a gas supercharging device, and the output gas is gas under pressure. The cleaned sand is properly air-dried under the stirring of high-pressure gas, so that the cost of post-treatment is reduced, and the requirements of various construction operations are met.

Claims (6)

1. The utility model provides a large-scale sand making equipment of sand washing sand screening integration, includes into sand device (1), its characterized in that: still include vibration screening plant (2), spray cleaning system (3), bucket-type belt cleaning device (4), collection device (5), high-pressure gas stirs screening plant (6), sand feeding device (1) are including advancing sand adjustment mechanism (102), advance sand adjustment mechanism (102) export below and set up vibration screening plant (2), vibration screening plant (2) are including vibrating conveyer belt (201), vibrating conveyer belt (201) building stones exit end is provided with spray cleaning system (3), vibrating conveyer belt (201) sand exit end below is provided with bucket-type belt cleaning device (4), bucket-type belt cleaning device (4) include workbin (401), workbin (401) lower part is provided with the water inlet, spray cleaning system (3) are including deposit dish (301), deposit dish (301) bottom is provided with the delivery port, the delivery port of workbin (401) bottom is through connecting pipe (7) intercommunication, workbin (401) upper portion is provided with the overflow mouth, the overflow mouth is through blow off pipe (8) intercommunication collection device (5), collection device (5) include float collection device (501), float collection device (501) export setting up water treatment device (502) and recovery system (9) are passed through with recovery water pump (502), the bucket type cleaning device (4) comprises a spiral sand conveying mechanism (402), the spiral sand conveying mechanism (402) is fixed on the outlet side of a material box (401), a high-pressure gas stirring and screening device (6) is arranged at the outlet of the spiral sand conveying mechanism (402), the high-pressure gas stirring and screening device (6) comprises a screening mechanism (601) and a gas feeding device (602), the gas feeding device (602) is communicated with the screening mechanism (601), and the screening mechanism (601) is provided with a sand outlet.

2. The large sand making equipment integrating sand washing and screening as set forth in claim 1, wherein: the sand feeding device (1) further comprises a hopper (101), and the sand feeding adjusting mechanism (102) is fixedly arranged at the outlet end of the hopper (101) and is a group of movable baffles which are symmetrically arranged.

3. The large sand making equipment integrating sand washing and screening as set forth in claim 1, wherein: the vibrating screening device (2) further comprises a vibrating frame (202), the vibrating conveyor belt (201) is fixed on the vibrating frame (202), and the vibrating frame (202) is fixed below the sand feeding device (1).

4. The large sand making equipment integrating sand washing and screening as set forth in claim 1, wherein: the spray cleaning system (3) further comprises a spray device (302) and a stone conveying mechanism (303), the spray device (302) is arranged right above the stone conveying mechanism (303), and the deposition disc (301) is arranged right below the stone conveying mechanism (303).

5. The large sand making equipment integrating sand washing and screening as set forth in claim 1, wherein: the bucket cleaning device (4) further comprises a sand-stirring shaft (403) and sand-stirring gears (404), the sand-stirring shaft (403) is fixed on the inlet side of the material box (401), a plurality of groups of sand-stirring gears (404) are arranged on the sand-stirring shaft (403), and the sand-stirring gears (404) are provided with a plurality of sand-stirring blades (405).

6. The large sand making equipment integrating sand washing and screening as set forth in claim 1, wherein: the screening mechanism (601) is provided with a plurality of layers of screens with different apertures and inclined arrangement, sand outlets are formed in the positions of each layer of screens, air inlets connected with the air feeding device (602) are formed in the side face and the bottom of each layer of screens, and the air feeding device (602) is gas supercharging equipment.