Disclosure of Invention
The invention aims to provide sand and aggregate integrated equipment which can be arranged in a limited space and can produce five coarse and fine aggregate specifications.
For this purpose, the invention adopts the following technical scheme:
The building type sand and stone aggregate integrated equipment capable of producing coarse and fine aggregates comprises a building type structure, and a classification processing part and a pre-primary screening part which are arranged inside and outside a building of the building type structure and are communicated, wherein the pre-primary screening part comprises a cushion layer material pile for screening sand and stone aggregates; the inside of the building structure forms a multi-layer distributed sand and aggregate transmission screening state, and a dust collecting device is arranged in the multi-layer distributed sand and aggregate transmission screening state; the building type structure comprises a first screening device and a second screening device which are arranged in a layered mode, wherein the second screening device is arranged on the lower layer of the first screening device and is connected with the lower layer of the first screening device; the building type sand making device comprises a first screening device, a second screening device, a middle fine crushing device, a pre-primary screening part, a first screening device and a second screening device, wherein the middle fine crushing device is arranged in the building type structure and is arranged at the upstream of the first screening device, the middle fine crushing device is connected with the pre-primary screening part, and a shaping sand making device for intercepting a heavy screen for the screen discharging of the second screening device is arranged between the first screening device and the second screening device; a finished product material conveying device for collecting sand and stone aggregates according to specifications is arranged in the building structure, so that sand and stone aggregates passing through a screen mesh arranged on the first screening device are screened to form a first finished product pile, and sand and stone aggregates passing through a three-layer screen mesh arranged on the second screening device are screened to form a second finished product pile, a third finished product pile and a fourth finished product pile; the lower layer where the second screening device is located is provided with a sand washing device, and sand aggregates in the sand washing device form a machine-made sand stack through the finished product conveying device, so that multistage sand aggregate production can be carried out.
Further: the pre-primary screening part comprises a feeding device, a coarse crushing device and a pre-screening device; a first material conveying device is arranged between the feeding and coarse crushing device and the pre-screening device, and a single-layer screen is arranged in the pre-screening device to form the diversion of the bedding material pile and the rest sand and stone aggregates; and a second material conveying device which is guided into the middle fine crushing device is arranged below the pre-screening device.
Further: the middle fine crushing device comprises a first buffer bin and middle fine crushing equipment which are communicated from top to bottom, and the first buffer bin and the middle fine crushing equipment are arranged in a building structure in a building mode.
Further: the first screening device is arranged on the upper part floor of the building type structure, and a first lifting device for crossing multiple floors is arranged between the discharge hole of the medium and fine crushing device and the feed hole of the first screening device.
Further: and a second buffer bin connected with the first screening device is arranged on the floor above the first screening device.
Further: the shaping sand making device is arranged at the lower layer of the second screening device and comprises a third buffer bin and shaping sand making equipment which are communicated from top to bottom, and the third buffer bin and the shaping sand making equipment are arranged on floors in the building structure; and the feed inlet of the third surge bin and the three layers of screens in the second screening device form a partial flow distribution state of materials.
Further: the discharge port of the shaping sand making equipment is provided with a third material conveying device, and a second lifting device with multi-floor crossing is arranged between the output end of the third material conveying device and the feed port of the second screening device.
The dust collection device comprises dust collection equipment which is connected with each equipment and a discharging point in a gathering way through a dust collection pipeline, and an ash storage mechanism and an output ash conveying device are arranged below the dust collection equipment.
Further: the dust suppression device is arranged at the bottom of the floor above each device of the building structure.
Further: the water-washing sand equipment is connected with water treatment equipment outside the building structure through a pipeline, and the water treatment equipment forms water circulation of the water-washing sand equipment; the water treatment equipment comprises a water collecting tank, a filter press, a clean water tank and a high-level water tank which are sequentially communicated, a dosing chamber for dosing treatment is arranged between the water collecting tank and the filter press, and a water supplementing pipeline is further arranged in the high-level water tank for supplementing water.
Compared with the prior art, the invention has the following beneficial effects:
The invention integrates the devices through the integrated building arrangement, so that the invention has simple structure and reasonable layout, is beneficial to saving land and reducing energy consumption, is convenient for centralized control and has high automation and intelligent degree; meanwhile, the water washing sand equipment is selected to carry out water washing treatment on finished product machine-made sand, and a dust collecting device and a dust suppression device are arranged, so that the environment-friendly requirement is met, and meanwhile, the product quality is ensured. The invention can produce the integrated equipment of the building type sand and stone aggregate of five coarse and fine aggregates, can meet the requirements of producing the aggregate for the three-level concrete, the aggregate for the two-level concrete, the cushion material and the aggregate for the sprayed concrete, and can also only produce the aggregate for the two-level concrete.
Drawings
FIG. 1 is a schematic front view of a first view of the overall structure of the present invention;
FIG. 2 is a schematic front view of a second view of the present invention;
FIG. 3 is a schematic illustration of the overall structure of the present invention;
FIG. 4 is a schematic view of a side structure of the present invention from a first perspective;
fig. 5 is a schematic view of a second view of a side structure according to the present invention.
The marks in the drawings are: a feeding and coarse crushing device 1, a first material conveying device 2, a pre-screening device 3, a second material conveying device 4, a medium fine crushing device 5, a first buffer bin 51, a medium fine crushing device 52, a first lifting device 6, a first screening device 7, a second buffer bin 71, a second screening device 8, a shaping sand making device 9, a third buffer bin 91, a shaping sand making device 92, a third material conveying device 10, a second lifting device 11, a sand washing device 12, a fourth buffer bin 120, a dust collecting device 13, a dust collecting device 1301, a dust storage mechanism 1302, a dust conveying device 1303, a sand washing device 12, a material chute 14, a building structure 15, a water treatment device 16, a water collecting tank 161, a dosing room 162, a filter press 163, a clean water tank 164, a high-level water tank 165, a make-up water 166, a cushion layer stack 17, a first finished material stack 18, a second finished material stack 19, a third finished material stack 20, a fourth finished material stack 21, a mechanism sand 22, a finished material conveying device 23, a dump truck 200, a hopper 210.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not intended to be limiting.
As shown in figures 1-5, the building type sand and aggregate integrated equipment capable of producing coarse and fine aggregates comprises a feeding and coarse crushing device 1, a first material conveying device 2, a pre-screening device 3 containing a single-layer screen, a second material conveying device 4, a middle fine crushing device 5, a first lifting device 6, a first screening device 7 containing a single-layer screen, a second screening device 8 containing three-layer screen, a shaping sand making device 9, a third material conveying device 10, a second lifting device 11, a sand washing device 12, a dust collecting device 13 and a dust suppression device, which are not shown in the figure, a material chute 14 and a water treatment device 16, coarse crushed materials are conveyed to the pre-screening device 3 through the first material conveying device 2, undersize materials of the screen of the pre-screening device 3 enter a bedding pile 17 through the material chute 14 and a finished product conveying device 23, oversize materials are conveyed to the middle fine crushing device 5 through the second material conveying device 4, the materials after medium and fine crushing are sent to the first screening device 7 through the first lifting equipment 6, the screen materials of the screens of the first screening device 7 can be respectively sent to the medium and fine crushing device 5 and the first finished product pile 18, the material quantity of the materials which reach the medium and fine crushing device 5 and the first finished product pile 18 can be adjusted according to actual needs, the screen materials of the screens of the first screening device 7 are sent to the second screening device 8, the screen materials of the first layer of screens of the second screening device 8 can be respectively sent to the shaping sand device 9 and the second finished product pile 19, the screen materials of the second layer of screens of the second screening device 8 can be respectively sent to the shaping sand device 9 and the third finished product pile 20, the screen materials of the third layer of screens of the second screening device 8 can be respectively sent to the shaping sand device 9 and the third finished product pile 20 or the fourth finished product pile 21, the material after the shaping sand making of the shaping sand making device 9 returns to the second screening device 8 through the second lifting device 11, the screen discharging of the third layer screen of the second screening device 8 is sent to the water-washing sand device 12, the machine-made sand after water washing is sent to the machine-made sand material pile 22, and the first screening device 7, the second screening device 8, the middle fine crushing device 5, the shaping sand making device 9, the water-washing sand device 12, the dust collecting device 13 or the dust suppression device are all arranged in the same building structure 15.
Specifically, the sand washing device 12 may be a wheel type sand washing integrated machine, or a combination device of a spiral sand washing machine and a dewatering screen.
In this embodiment, the sand washing apparatus 12 employs a wheel type sand washing integrated machine. The sand washing water is recycled through the water treatment equipment 16. Washing water is sprayed from the upper part of the wheel type sand washing integrated machine to enable slurry to enter a sand washing groove for hydraulic classification, coarse grains settle down, fine grains are discharged from overflow, and a bucket wheel is used for loosening materials at the bottom to enable mixed fine mud to be stirred out on one hand and fishing out sand on the other hand to realize the whole sand washing process.
The waste water enters a water collecting tank 161 of the water treatment equipment 16 after passing through a pipeline, water in the water collecting tank 161 is subjected to dosing treatment in a dosing room 162, is subjected to filter pressing by a filter press 163, waste is transported to a waste residue field for stacking, filter pressing water is transported to a clean water tank 164, clean water in the clean water tank 164 is transported to a high-level water tank 165 for use, and when the clean water in the high-level water tank 165 is insufficient, the clean water can be supplemented by supplementing water 166.
Specifically, the building type structure 15 adopts a detachable steel frame structure, and the middle fine crushing device 5, the first lifting device 6, the first screening device 7, the second screening device 8, the shaping sand making device 9, the third material conveying device 10, the second lifting device 11, the water sand washing device 12, the dust collecting device 13, the dust suppression device and the building type structure 15 are all detachably connected. By adopting the structure, the equipment can be quickly disassembled and reused, and the cost is saved.
Specifically, the feeding and coarse crushing device 1 adopts a bar feeder and a jaw crusher integrated machine, and the first material conveying device 2 adopts a belt conveyor.
Specifically, the pre-screening device 3 is a vibrating screen comprising a layer of screen, the screen aperture of the pre-screening device is 80mm, the undersize of the pre-screening device 3 is sent to the cushion material pile 17 through the material chute 14 and the finished material conveying device 23, the oversize of the pre-screening device 3 is sent to the first buffer bin 51 before the middle fine crushing device 5 through the material chute 14 and the second material conveying device 4, and then is sent to the middle fine crushing device 52, the middle fine crushing device 52 adopts a cone crusher, and the crushed material is sent to the feed inlet of the first screening device 7 through the first lifting device 6.
In this embodiment, the first screening device 7 is a vibrating screen comprising a layer of screen mesh, the screen mesh size of the first screening device 7 is 40mm, and the oversize of the screen mesh of the first screening device 7 can be divided into two parts: part of the materials are used as finished products to be sent into a first finished product pile 18 with the particle size of 40-80mm through a material chute 14 and a finished product conveying device 23, the rest of the materials enter a first buffer bin 51 in front of a middle fine crushing device 5 and then are sent to a middle fine crushing device 52, the middle fine crushing device 52 adopts a cone crusher, and crushed materials are sent to a second buffer bin 71 in front of a first screening device 7 through a first lifting device 6 and then are sent back to the first screening device 7.
In this embodiment, the second screening device 8 is a vibrating screen comprising three layers of screens from top to bottom, the aperture of the first layer of screens of the second screening device 8 is 20mm, the aperture of the second layer of screens of the second screening device 8 is 15mm, the aperture of the third layer of screens of the second screening device 8 is 5mm, and the oversize of the first layer of screens of the second screening device 8 is divided into two parts: part of the finished product is sent to a second finished product pile 19 with the grain diameter of 20-40mm through a material chute 14 and a finished product conveying device 23, and the rest part of the finished product is sent to a third buffer bin 91 in front of the shaping sand making device 9 through the material chute 14.
The oversize of the second layer of screen of the second screening device 8 is divided into two parts: part of the finished products are sent into a third finished product pile 20 with the grain diameter of 5-20mm through a material chute 14 and a finished product conveying device 23, and the rest of the finished products are sent to a third buffer bin 91 in front of the shaping sand making device 9 through the material chute 14.
The oversize of the third layer screen 5 of the second screening device 8 is divided into two parts: part of the waste is taken as a finished product to be sent into a fourth finished product pile 21 with the grain diameter of 5-15mm or a third finished product pile 20 with the grain diameter of 5-20mm through a material chute 14 and a finished product conveying device 23, and the rest part of the waste is sent into a third buffer bin 91 in front of a shaping sand making device 9 through the material chute 14; the materials with the grain diameter of 5-40mm in the third buffer bin 91 enter the shaping sand making equipment 92, the shaping sand making equipment 92 adopts a vertical shaft impact crusher, other shaping sand making equipment such as a column mill or a column crusher and the like can also be adopted, and the crushed materials are returned to the inlet of the second screening device 8 through the third material conveying device 10 and the second lifting device 11.
Specifically, the dust collection device 13 includes a dust collection device 1301 connected together at each device and a discharging point through a dust collection pipeline, and an ash storage mechanism 1302 and an output ash conveying device 1303 are sequentially connected below the dust collection device 1301. The dust of each device and the blanking point is connected to the dust collecting device 1301 through a dust collecting pipeline, the collected dust returns to the dust storing mechanism 1302, and the collected dust is transported to other using systems (the using systems can be concrete systems) through the dust conveying device 1303.
Specifically, the layered installation of each device in the building structure 15 is as follows: the shaping sand making device 9, the sand washing equipment 12, the finished product conveying device 23 and fine aggregate thereof (machine-made sand material pile 22) are arranged on a ground layer F0 in a building structure 15, the middle fine crushing device 5, the third buffer bin 91, the fourth buffer bin 120, the finished product conveying device 23 and three coarse aggregates thereof (the second finished product pile 19, the third finished product pile 20 and the fourth finished product pile 21) are arranged on a first layer F1 of the building structure 15, the second screening device 8, the first buffer bin 51, the ash conveying device 1303, the finished product conveying device 23 and one coarse aggregate thereof (the first finished product pile 18) are arranged on a second layer F2 of the building structure 15, the first screening device 7 and the ash bin 1302 are arranged on a third layer F3 of the building structure 15, the dust collecting device 1301 is arranged on a top layer F4 of the building structure 15, the dust suppressing device is arranged on the floor bottom surface above each device, the coarse crushing device 1 and the first material conveying device 2 are arranged on the ground or a lifting platform 6 and the second lifting device 11 is arranged on the ground layer F0.
In particular, the inlet openings of the pre-screening means 3, the first screening means 7 and the second screening means 8 are diffusion means so that the material is evenly distributed over the cross section of the screen.
Specifically, the first material conveying device 2, the second material conveying device 4, the third material conveying device 10 and the finished material conveying device 23 all adopt belt conveyors, wherein the finished material conveying devices 23 conveyed to the third finished material pile 20, the fourth finished material pile 21 and the machine-made sand pile 22 can also adopt chain conveyors or screw conveyors.
Specifically, the first lifting device 6 and the second lifting device 11 are bucket lifts.
Referring to fig. 1 to 5, when five coarse aggregates and fine aggregates are produced by the building type sand aggregate integrated equipment, the concrete production mode is as follows:
The mined wool is conveyed to a hopper 210 through a dump truck 200, the wool is conveyed to a feeding and coarse crushing device 1 (a bar feeder and jaw crusher integrated machine is adopted), the coarse crushed materials are conveyed to a pre-screening device 3 through a first material conveying device 2, the pre-screening device 3 is a vibrating screen comprising a layer of screen mesh, the screen mesh of the pre-screening device is 80mm, the undersize of the pre-screening device 3 is conveyed to a cushion material pile 17 through a material chute 14 and a finished material conveying device 23, the oversize of the pre-screening device 3 is conveyed to a first buffer bin 51 in front of a fine crushing device 5 in an integrated building structure 15 through the material chute 14 and the second material conveying device 4, and when the cushion material does not need to be produced, the coarse crushed materials can also directly enter the second material conveying device 4 without passing through the pre-screening device 3 and then be conveyed to the first buffer bin 51 in front of the fine crushing device 5 in the integrated building structure 15.
The materials after medium and fine crushing are sent to a first screening device 7 through a first lifting device 6, the oversize materials of the first screening device 7 can be respectively sent to a first finished product pile 18 and a medium and fine crushing device 5, and the screen materials of the first screening device 7 can be sent to a second screening device 8; the oversize products of the first layer of screen cloth of the second screening device 8 can be respectively sent to the shaping sand making device 9 and the second finished product pile 19, the oversize products of the second layer of screen cloth of the second screening device 8 can be respectively sent to the shaping sand making device 9 and the third finished product pile 20, the oversize products of the third layer of screen cloth of the second screening device 8 can be respectively sent to the shaping sand making device 9 and the fourth finished product pile 21, the shaped sand making materials are returned to the second screening device 8 through the third material conveying device 10 and the second lifting device 11, the undersize products of the second screening device 8 can be sent to the water washing device 12, and the machine-made sand after water washing is sent to the machine-made sand pile 22.
Meanwhile, the flow of each part can be correspondingly controlled by adjusting the valve according to actual needs. The building type sand and stone aggregate integrated equipment capable of producing five coarse and fine aggregates can meet the requirements of producing aggregates for three-level concrete, aggregates for two-level concrete, cushion materials and aggregates for sprayed concrete, and the concrete aggregates can also only produce aggregates for two-level concrete.
The above embodiment is only one preferred technical solution of the present invention, and it should be understood by those skilled in the art that modifications and substitutions can be made to the technical solution or parameters in the embodiment without departing from the principle and essence of the present invention, and all the modifications and substitutions are covered in the protection scope of the present invention.