CN117103462A - Raw material production system for concrete - Google Patents
Raw material production system for concrete Download PDFInfo
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- CN117103462A CN117103462A CN202311309153.XA CN202311309153A CN117103462A CN 117103462 A CN117103462 A CN 117103462A CN 202311309153 A CN202311309153 A CN 202311309153A CN 117103462 A CN117103462 A CN 117103462A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 54
- 239000004567 concrete Substances 0.000 title claims abstract description 35
- 239000002994 raw material Substances 0.000 title claims abstract description 24
- 239000004576 sand Substances 0.000 claims abstract description 147
- 238000003860 storage Methods 0.000 claims abstract description 97
- 239000004575 stone Substances 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims description 116
- 238000005406 washing Methods 0.000 claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000005189 flocculation Methods 0.000 claims description 25
- 230000016615 flocculation Effects 0.000 claims description 25
- 238000007599 discharging Methods 0.000 claims description 22
- 239000010865 sewage Substances 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- 239000013049 sediment Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C9/00—General arrangement or layout of plant
- B28C9/02—General arrangement or layout of plant for producing mixtures of clay or cement with other materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/14—Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
- B28C7/067—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors by means of stationary hoppers, chambers or bins from which the material is fed gravitationally, e.g. having agitating means therein
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C9/00—General arrangement or layout of plant
- B28C9/002—Mixing systems, i.e. flow charts or diagrams; Making slurries; Involving methodical aspects; Involving pretreatment of ingredients; Involving packaging
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The application relates to a raw material production system for concrete, which comprises a broken stone production line, a temporary storage bin area and a finished product bin area, wherein the broken stone production line comprises broken stone feeding, a first vibrating screen, a jaw crusher, a first conveyor, a cone crusher, a first hoister, a second conveyor, a sand making machine, a second vibrating screen, a third conveyor and a third vibrating screen, the temporary storage bin area comprises at least five bins, and the finished product bin area comprises at least five bins; the broken stone feeding bin is arranged on the ground, the first vibrating screen, the jaw crusher, the first conveyor and the cone crusher are arranged in the pit, the second conveyor, the sand making machine, the second vibrating screen, the third conveyor and the third vibrating screen are arranged on the ground, and the temporary storage bin area is arranged in the pit. The system can prepare broken stone and sand required by concrete, the whole layout of the production line is reasonable, the space is fully utilized, and the construction cost is saved.
Description
Technical Field
The application relates to the technical field of concrete production, in particular to a raw material production system for concrete.
Background
Concrete is a generic term for engineering composite materials in which aggregate is glued into a whole by a cementitious material. Concrete is usually obtained by using cement as a cementing material, using sand and stone as aggregates, mixing with water, additives and the like according to a certain proportion, and stirring.
The application patent of the issued patent number CN109834843B discloses a concrete production system, including feedway and agitating unit, feedway includes grit feedway, cement feedway and recycled concrete feedway, and grit feedway, cement feedway and recycled concrete feedway communicate to agitating unit, and the agitating unit top is provided with water supply installation, is provided with discharging device in the agitating unit below. Adding sand grains, stones, finished regenerated concrete, cement, water and additives into a stirring device to prepare the concrete. At present, all production equipment required by concrete raw material preparation is arranged on the ground, and all equipment are independent, and respectively convey corresponding kinds of materials into a stirring device. The structure of the equipment room is not compact, the occupied land area is large, the equipment is exposed, and the problem of environmental pollution exists.
Disclosure of Invention
The application aims to provide a raw material production system for concrete, which is used for carrying out layout optimization on various production equipment so as to achieve a more reasonable effect.
In order to achieve the above purpose, the application adopts the following technical scheme:
the raw material production system for the concrete comprises a broken stone production line, a temporary storage bin area and a finished product bin area, wherein the broken stone production line comprises broken stone feeding, a first vibrating screen, a jaw crusher, a first conveyor, a cone crusher, a first lifter, a second conveyor, a sand making machine, a second vibrating screen, a third conveyor and a third vibrating screen, the temporary storage bin area comprises at least five bins which are respectively marked as a first temporary storage bin, a second temporary storage bin, a third temporary storage bin, a fourth temporary storage bin and a fifth temporary storage bin, the broken stone production line also comprises a fourth conveyor, a fifth conveyor, a second lifter and a sixth conveyor, and the finished product bin area comprises at least five bins which are respectively marked as a first finished product bin, a second finished product bin, a third finished product bin, a fourth finished product bin and a fifth finished product bin;
the broken stone feeding bin is positioned on the ground, the first vibrating screen, the jaw crusher, the first conveyor and the cone crusher are positioned in the pit, the second conveyor, the sand making machine, the second vibrating screen, the third conveyor and the third vibrating screen are positioned on the ground, and the temporary storage bin area is positioned in the pit;
the operation method of the broken stone production line comprises the following steps that stone materials are fed from a broken stone feeding bin and fall into a first vibrating screen, large-particle-size materials screened out by the first vibrating screen enter a jaw crusher, small-particle-size materials screened out by the first vibrating screen and materials discharged from the jaw crusher fall to a feeding end of a first conveyor, the first conveyor conveys the materials to a cone crusher, materials secondarily crushed by the cone crusher flow to a first lifting machine through a chute, the first lifting machine lifts the materials upwards to a second conveying machine and then conveys the materials to a sand making machine for shaping treatment, the materials discharged by the sand making machine are conveyed to a third vibrating screen through a third conveying machine, the third vibrating screen is a five-layer vibrating screen, and the materials are screened into five different specification ranges and are respectively conveyed to a first temporary storage bin, a second temporary storage bin, a third temporary storage bin, a fourth temporary storage bin and a fifth temporary storage bin; the fourth conveyer and the fifth conveyer are positioned below the temporary storage bin, one temporary storage bin is selected by the fourth conveyer and the fifth conveyer, the materials in the selected temporary storage bin are shifted out according to a set quantity and conveyed to the sixth conveyer through the second lifting machine, the materials are conveyed to a finished product bin area by the sixth conveyer, the first temporary storage bin, the second temporary storage bin, the third temporary storage bin, the fourth temporary storage bin, the fifth temporary storage bin and the first finished product bin, the second finished product bin, the third finished product bin, the fourth finished product bin and the fifth finished product bin are in one-to-one correspondence, and the sixth conveyer is shared when conveying materials of various specifications.
The sand production line comprises a river sand feeding bin, a first washing wheel, a fourth vibrating screen, a first sand temporary storage bin, a second sand temporary storage bin and a second washing wheel, the operation method of the sand production line is as follows, raw river sand materials are fed into the river sand feeding bin, the river sand feeding bin is provided with a screen, sand meeting the particle size requirement is leaked down and fed into the first washing wheel, sand after the first washing is fed into a sand pit and pumped to the fourth vibrating screen through a mortar pump, the sand is screened into first sand and second sand, the particle size of the first sand is larger than that of the second sand, and the first sand is screened out and then fed into the first sand temporary storage bin; and (3) the second sand material enters a second washing wheel to carry out secondary washing, the sand material after the secondary washing enters a fine sand cyclone, mud is separated out, and the required sand material is obtained and temporarily stored in a second sand temporary storage bin.
Further, the finished product bin area also comprises two bins, namely a first water-washed sand bin and a second water-washed sand bin, and sand materials in the first sand temporary storage bin and the second sand temporary storage bin are respectively sent into the first water-washed sand bin and the second water-washed sand bin by using a sand material conveyor according to the requirements; and supplying sand materials to the concrete mixing plant by the first water-washed sand storage bin and the second water-washed sand storage bin.
Further, the sand production line also comprises a flocculation tank, sewage after the first water washing and the second water washing enters the flocculation tank, a drain pipe is arranged at the bottom of the flocculation tank, sediment is discharged to a filter press by the drain pipe, and waste obtained by the filter press is sent into a brickmaking area to achieve the purpose of waste utilization.
Further, a clean water tank is arranged below the flocculation tank, clean water overflowed from the flocculation tank flows into the clean water tank, and clean water in the clean water tank can be used for cleaning sand materials and cleaning the flocculation tank during maintenance of the flocculation tank.
Further, a discharging conveyor is arranged above each finished product bin in the finished product bin area, one discharging conveyor corresponds to one finished product bin, and plow-shaped discharger are arranged on the sixth conveyor and the discharging conveyor.
Further, the river sand feeding bin is connected with the first washing wheel through a chute, and the river sand feeding bin and the first washing wheel form a screening and washing integrated machine.
Further, the grain size of the materials lifted by the first lifting machine does not exceed a set value, and the materials can be directly conveyed to the sand making machine by the second conveyor; if the grain size of the materials exceeds the set value, the discharge port of the first elevator flows to the second vibrating screen through the chute, the materials with large grain sizes are screened out and sent back to the cone crusher to be crushed again, and the materials meeting the requirements fall into the buffer storage bin and are then conveyed to the sand making machine.
Further, the fourth conveyor and the fifth conveyor respectively correspond to the discharging of a plurality of bins, a discharger is arranged at the bottom of each bin, the four conveyors and the fifth conveyor convey materials to the lifting trough, and the second lifter lifts the materials to be conveyed outwards.
Further, the broken stone feeding bin is a folding type feeding bin and comprises a bin body and a base, the bin body is formed by surrounding four side plates in a front-back left-right mode, the upper portion is a feeding hole, the lower portion is a discharging hole, the discharging hole is located above the first vibrating screen, two opposite side plates are hinged plates, the outer sides of the hinged plates are hinged to one end of a hydraulic cylinder, the other end of the hydraulic cylinder is hinged to the base, opening and closing of the hinged plates can be achieved through stretching of the hydraulic cylinder, and the hinged plates are closed during normal feeding; when the hinged plate is opened, the vehicle can pass through.
The application has the beneficial effects that:
according to the raw material production system for the concrete, by arranging part of equipment underground and sinking, other equipment layout can be performed on the corresponding overground part, the whole structure is compact, the occupied area is small, and the material conveying stroke between adjacent equipment can be reduced. The broken material part is arranged underground, so that the purpose of environmental protection can be achieved, and the pollution of air and noise can be reduced.
The application is also provided with a sewage treatment unit, the fine sand sewage is treated by the flocculation tank, and the obtained clear water can be reused for sand washing, so that water resources are recycled. Meanwhile, the sediment generated by the flocculation tank can be transported to a brick making area after being treated, so as to achieve the purpose of waste utilization.
The folding feeding bin provided by the application can reduce the capital construction cost and simplify the installation and construction process on the premise of being convenient for feeding. After the folding type feeding bin is unfolded, the folding type feeding bin can also be used for vehicles to pass through.
Drawings
FIG. 1 is a flow chart of a raw material production system for concrete of the present application;
FIG. 2 is a schematic view of a part of the broken stone treatment in the raw material production system for concrete of the present application;
FIG. 3 is a side view of the crushed stone upper bin (unopened);
FIG. 4 is an open state diagram of a crushed stone loading bin;
FIG. 5 is a schematic diagram of distribution and transfer of temporary storage bins;
fig. 6 is a schematic diagram of a screening and washing integrated machine.
Name corresponding to each label in the figure:
1. feeding crushed stone into a bin; 11. a hinged plate; 12. a base; 13. a hydraulic cylinder; 14. a discharge port; 2. a first vibrating screen; 3. jaw crusher; 4. a first conveyor; 5. a cone crusher; 6. a first elevator; 7. a flocculation tank; 81. a sixth conveyor; 82. a fourth conveyor; 83. a fifth conveyor; 84. a second elevator; 85. a fifth temporary storage bin; 86. a standby stock bin; 91. feeding river sand into a storage bin; 92. a first washing wheel; 93. a chute; 94. a mortar pump; 95. sand pit.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.
Examples:
as shown in fig. 1 to 6, a raw material production system for concrete includes a crushed stone production line, a sand production line, a temporary storage bin area, a finished product bin area, and a raw material stacking area. The production line is arranged between the raw material stacking area and the finished product bin area left and right. The front of the production line is provided with a mortar area, a stirring station, a brick making area and a reclaimed material processing workshop.
The broken stone production line comprises broken stone feeding, a first vibrating screen 2, a jaw crusher 3, a first conveyor 4, a cone crusher 5, a first elevator 6, a second conveyor, a sand making machine, a second vibrating screen, a third conveyor and a third vibrating screen, wherein a temporary storage bin area comprises at least five bins which are respectively defined as a first temporary storage bin, a second temporary storage bin, a third temporary storage bin, a fourth temporary storage bin and a fifth temporary storage bin 85. Six temporary storage bins are provided in this embodiment, one of which is a spare bin 86.
The broken stone production line also comprises a fourth conveyor 82, a fifth conveyor 83, a second lifting machine 84 and a sixth conveyor 81, and the finished product bin area comprises seven bins, wherein five bins are respectively marked as a first finished product bin, a second finished product bin, a third finished product bin, a fourth finished product bin and a fifth finished product bin, and broken stone fine materials exist in the bins.
In order to reasonably utilize the space, the application has more compact layout, a part of equipment is arranged underground and is installed in a sinking mode, and a part of equipment is arranged on the ground, so that the underground and the ground are fully utilized, and the floor occupation size is saved. Wherein, rubble feeding bin 1 is located ground, and first shale shaker 2, jaw breaker 3, first conveyer 4, cone crusher 5 are located the pit, and second conveyer, sand making machine, second shale shaker, third conveyer and third shale shaker are located ground, and the temporary storage bin is located the pit.
The operation method of the stone crushing production line is as follows:
as shown in fig. 1 and 2, stone is fed from a gravel feeding bin 1, and can be fed by a forklift. The stone falls into the stone loading bin 1 and falls out from the discharge opening 14 at the bottom, and falls into the first vibrating screen 2, the large-particle-size material screened out by the first vibrating screen 2 enters the jaw crusher 3, the small-particle-size material screened out by the first vibrating screen 2 and the material discharged by the jaw crusher 3 fall to the loading end of the first conveyor 4, and the small-particle-size material screened out by the first vibrating screen 2 flows to the loading end of the first conveyor 4 through a chute. The first conveyor 4 is a belt conveyor and is arranged obliquely, and the conveyors in this embodiment are all of the existing structures and principles in the prior art. The first conveyor 4 conveys the material to the cone crusher 5, and the material secondarily crushed by the cone crusher 5 flows into the converging trough through the chute, i.e. at the feeding position of the bottom end of the first elevator 6. The first hoist 6 employs a plate chain hoist to hoist the material up to the second conveyor. The second conveyor is horizontally arranged, the second conveyor discharges materials to a feed inlet of the sand making machine, and the sand making machine is utilized to carry out shaping treatment on the materials. The material that sand making machine discharged is given the third shale shaker through the third conveyer, and the third shale shaker is five-layer shale shaker, and five-layer shale shaker is the structure among the prior art, and five-layer shale shaker sieves the material into five kinds of different specification ranges, through chute 93 to send into first temporary storage feed bin, second temporary storage feed bin, third temporary storage feed bin, fourth temporary storage feed bin, fifth temporary storage feed bin 85 respectively. The grain size ranges of the crushed stones with five specifications are as follows: 0-6mm,6-11mm,11-16mm,16-23mm,23-35mm.
The grain size of the materials lifted by the first lifter 6 does not exceed a set value, and the materials can be directly conveyed to the sand making machine by the second conveyor; if the grain size of the materials exceeds the set value, the discharge port of the first lifter 6 flows to the second vibrating screen through the chute, the large-grain-size materials (more than 35 mm) are screened out and sent back to the cone crusher 5 for crushing treatment again, and the materials meeting the requirements fall into the buffer storage bin and are then conveyed to the sand making machine.
The fourth conveyer 82 and the fifth conveyer 83 are located below the temporary storage bin, one of the temporary storage bins is selected by the fourth conveyer 82 and the fifth conveyer 83, materials in the selected temporary storage bin are shifted out according to a set amount and conveyed to the sixth conveyer 81 through the second lifter 84, the materials are conveyed to a finished product bin area through the sixth conveyer 81, and the first temporary storage bin, the second temporary storage bin, the third temporary storage bin, the fourth temporary storage bin and the fifth temporary storage bin are in one-to-one correspondence with the first finished product bin, the second finished product bin, the third finished product bin, the fourth finished product bin and the fifth finished product bin, so that the materials with different specifications cannot be conveyed at will. The sixth conveyor 81 is commonly used for conveying materials of various specifications.
The fourth conveyor 82 and the fifth conveyor 83 are horizontally arranged and respectively correspond to the discharging of 3 bins, the discharging device is arranged at the bottom of each bin, the existing electrohydraulic fan-shaped discharging device can be adopted, when the bin level reaches a set value, the bin level can be transferred, and the transfer quantity of each time is set in advance by the control system. The fourth conveyor 82 and the fifth conveyor 83 both convey materials to the lifting trough, the second lifter 84 lifts the materials upwards, the sixth conveyor 81 conveys the materials outwards, and the materials are finally conveyed to corresponding finished product bins.
The finished product bin area is provided with a discharging conveyor above each finished product bin, one discharging conveyor corresponds to one finished product bin, and the sixth conveyor 81 and the discharging conveyor are respectively provided with a plow discharger. The sixth conveyor 81 cooperates with each discharge conveyor to accurately feed material into the corresponding bin and uniformly discharge material from the plow discharger on the discharge conveyor. When the concrete is prepared, crushed stones in the finished product bin are conveyed to a stirring station.
The crushed stone feeding bin 1 in the embodiment is special, and as shown in fig. 3-4, the crushed stone feeding bin 1 is designed into a folding feeding bin, and comprises a bin body and a base 12, wherein the bin body is formed by surrounding four side plates in a front-back and left-right mode, the upper part of the bin body is a feeding hole, the lower part of the bin body is a discharging hole 14, and the discharging hole 14 is positioned above the first vibrating screen 2. The two opposite side plates are hinged and are recorded as hinged plates 11, the outer sides of the hinged plates 11 are hinged at one end of a hydraulic cylinder 13, the other end of the hydraulic cylinder 13 is hinged with a base 12, the hinged plates 11 can be opened and closed through the expansion and contraction of the hydraulic cylinder 13, and the hinged plates 11 are closed during normal feeding; when the hinge plate 11 is opened, the vehicle can pass through. If the hinged plate 11 is defined to be in the front-rear direction, the left and right sides of the discharge opening 14 are at least arranged in a grid shape, and the blanking and the passing of the bearing vehicle are considered; or as a solid steel plate. The broken stone feeding bin 1 is arranged on the ground, so that the construction difficulty of civil engineering is reduced compared with that of underground construction; and the folding feeding bin can be used for feeding vehicles when required so as to facilitate maintenance and the like.
The sand production line comprises a river sand feeding bin 91, a first washing wheel 92, a fourth vibrating screen, a first sand temporary storage bin, a second sand temporary storage bin and a second washing wheel. The sand production line operates as follows, raw river sand materials are fed to the river sand feeding bin 91, and can be fed through a forklift. The river sand feeding bin 91 is provided with a screen, sand materials which do not meet the requirement are removed, sand materials which meet the requirement on particle size are leaked down and enter the first washing wheel 92, sand materials after the first washing enter the sand pit 95, and are pumped to the fourth vibrating screen through the mortar pump 94, and the sand materials are screened into two types of materials: the first sand material and the second sand material are respectively provided with a particle size larger than that of the second sand material, the first sand material is 3-10mm, and the first sand material enters the first sand temporary storage bin after being screened out; and (3) enabling the second sand material with the diameter of less than 3mm to enter a second washing wheel for secondary washing, enabling the sand material after secondary washing to enter a fine sand cyclone, separating out slurry to obtain the required sand material, and temporarily storing the sand material in a second sand temporary storage bin.
As shown in fig. 1, the finished product bin area further comprises two bins, namely a first water-washed sand bin and a second water-washed sand bin, and sand materials in the first sand temporary storage bin and the second sand temporary storage bin are respectively sent into the first water-washed sand bin and the second water-washed sand bin by using a sand material conveyor according to requirements; and supplying sand materials to the concrete mixing plant by the first water-washed sand storage bin and the second water-washed sand storage bin.
As shown in fig. 6, the river sand feeding bin 91 is connected with the first washing wheel 92 through a chute 93, and the river sand feeding bin 91 and the first washing wheel 92 form a screening and washing integrated machine. Compared with the prior art, the conveyor belt is saved, the manufacturing cost is reduced, and the occupied space is saved.
Further, the sewage treatment device also comprises a sewage treatment part. The sand production line also comprises a flocculation tank 7, sewage after the first water washing and the second water washing enters the flocculation tank 7, a drain pipe is arranged at the bottom of the flocculation tank 7, sediment is discharged to a filter press by the drain pipe, and waste obtained by the filter press is sent into a brickmaking area to achieve the purpose of waste utilization.
The below of flocculation tank 7 is provided with a clean water tank, and unnecessary clean water that flocculation tank 7 overflowed can flow into the clean water tank and keep in, and flocculation tank 7 still flows to the sand pit through the pipeline for wash sand material, and the clean water can also wash flocculation tank 7 when flocculation tank 7 maintains, reaches water resource reuse, energy-concerving and environment-protective purpose.
The present application is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present application can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present application fall within the scope of the present application.
Claims (10)
1. A raw material production system for concrete is characterized in that: comprises a broken stone production line, a temporary storage bin area and a finished product bin area, the stone crushing production line comprises a stone crushing feeding bin, a first vibrating screen, a jaw crusher, a first conveyor a cone crusher, a first elevator, a second conveyor, a sand making machine, a second vibrating screen,
The temporary storage bin area comprises at least five bins which are respectively marked as a first temporary storage bin, a second temporary storage bin, a third temporary storage bin, a fourth temporary storage bin and a fifth temporary storage bin, the stone crushing production line also comprises a fourth conveyor, a fifth conveyor, a second hoister and a sixth conveyor, and the finished product bin area comprises at least five bins which are respectively marked as a first finished product bin, a second finished product bin, a third finished product bin, a fourth finished product bin and a fifth finished product bin;
the broken stone feeding bin is positioned on the ground, the first vibrating screen, the jaw crusher, the first conveyor and the cone crusher are positioned in the pit, the second conveyor, the sand making machine, the second vibrating screen, the third conveyor and the third vibrating screen are positioned on the ground, and the temporary storage bin area is positioned in the pit;
the operation method of the broken stone production line comprises the following steps that stone materials are fed from a broken stone feeding bin and fall into a first vibrating screen, large-particle-size materials screened out by the first vibrating screen enter a jaw crusher, small-particle-size materials screened out by the first vibrating screen and materials discharged from the jaw crusher fall to a feeding end of a first conveyor, the first conveyor conveys the materials to a cone crusher, materials secondarily crushed by the cone crusher flow to a first lifting machine through a chute, the first lifting machine lifts the materials upwards to a second conveying machine and then conveys the materials to a sand making machine for shaping treatment, the materials discharged by the sand making machine are conveyed to a third vibrating screen through a third conveying machine, the third vibrating screen is a five-layer vibrating screen, and the materials are screened into five different specification ranges and are respectively conveyed to a first temporary storage bin, a second temporary storage bin, a third temporary storage bin, a fourth temporary storage bin and a fifth temporary storage bin; the fourth conveyer and the fifth conveyer are positioned below the temporary storage bin, one temporary storage bin is selected by the fourth conveyer and the fifth conveyer, the materials in the selected temporary storage bin are shifted out according to a set quantity and conveyed to the sixth conveyer through the second lifting machine, the materials are conveyed to a finished product bin area by the sixth conveyer, the first temporary storage bin, the second temporary storage bin, the third temporary storage bin, the fourth temporary storage bin, the fifth temporary storage bin and the first finished product bin, the second finished product bin, the third finished product bin, the fourth finished product bin and the fifth finished product bin are in one-to-one correspondence, and the sixth conveyer is shared when conveying materials of various specifications.
2. The raw material production system for concrete according to claim 1, wherein: the raw material production system for concrete further comprises a sand production line, wherein the sand production line comprises a river sand feeding bin, a first washing wheel, a fourth vibrating screen, a first sand temporary storage bin, a second sand temporary storage bin and a second washing wheel, the operation method of the sand production line is as follows, raw river sand materials are fed into the river sand feeding bin, the river sand feeding bin is provided with a screen, sand materials meeting the particle size requirement are leaked down and enter the first washing wheel, sand materials after the first washing enter a sand pit and are pumped into the fourth vibrating screen through a mortar pump, the sand materials are screened into first sand materials and second sand materials, the particle size of the first sand materials is larger than that of the second sand materials, and the first sand materials enter the first sand temporary storage bin after being screened out; and (3) the second sand material enters a second washing wheel to carry out secondary washing, the sand material after the secondary washing enters a fine sand cyclone, mud is separated out, and the required sand material is obtained and temporarily stored in a second sand temporary storage bin.
3. The raw material production system for concrete according to claim 2, wherein: the finished product bin area also comprises two bins, namely a first water-washed sand bin and a second water-washed sand bin, and sand materials in the first sand temporary storage bin and the second sand temporary storage bin are respectively sent into the first water-washed sand bin and the second water-washed sand bin by utilizing a sand material conveyor according to the requirements; and supplying sand materials to the concrete mixing plant by the first water-washed sand storage bin and the second water-washed sand storage bin.
4. The raw material production system for concrete according to claim 2, wherein: the sand production line also comprises a flocculation tank, sewage after the first water washing and the second water washing enters the flocculation tank, a drain pipe is arranged at the bottom of the flocculation tank, sediment is discharged to a filter press by the drain pipe, and waste obtained by the filter press is sent into a brickmaking area to achieve the purpose of waste utilization.
5. The concrete raw material production system according to claim 4, wherein: the clear water tank is arranged below the flocculation tank, clear water overflowed from the flocculation tank flows into the clear water tank, and clear water in the clear water tank can be used for cleaning sand materials and cleaning the flocculation tank during maintenance of the flocculation tank.
6. The raw material production system for concrete according to claim 1, wherein: and a discharging conveyor is arranged above each finished product bin in the finished product bin area, one discharging conveyor corresponds to one finished product bin, and plow-shaped discharging devices are arranged on the sixth conveyor and the discharging conveyor.
7. The raw material production system for concrete according to claim 2, wherein: the river sand feeding bin is connected with the first washing wheel through a chute, and the river sand feeding bin and the first washing wheel form a screening and washing integrated machine.
8. The raw material production system for concrete according to claim 1, wherein: the grain size of the materials lifted by the first lifter does not exceed a set value, and the materials can be directly conveyed to the sand making machine by the second conveyor; if the grain size of the materials exceeds the set value, the discharge port of the first elevator flows to the second vibrating screen through the chute, the materials with large grain sizes are screened out and sent back to the cone crusher to be crushed again, and the materials meeting the requirements fall into the buffer storage bin and are then conveyed to the sand making machine.
9. The raw material production system for concrete according to claim 1, wherein: the fourth conveyor and the fifth conveyor respectively correspond to the discharging of the plurality of bins, the discharger is arranged at the bottom of each bin, the four conveyors and the fifth conveyor convey materials to the lifting trough, and the second lifting machine lifts the materials to be conveyed outwards.
10. The raw material production system for concrete according to claim 1, wherein: the broken stone feeding bin is a folding feeding bin and comprises a bin body and a base, wherein the bin body is formed by surrounding four side plates from front to back, left to right, the upper part is a feeding hole, the lower part is a discharging hole, the discharging hole is positioned above the first vibrating screen, two opposite side plates are hinged plates, the outer sides of the hinged plates are hinged at one end of a hydraulic cylinder, the other end of the hydraulic cylinder is hinged with the base, the hinged plates can be opened and closed through the expansion and the contraction of the hydraulic cylinder, and the hinged plates are closed during normal feeding; when the hinged plate is opened, the vehicle can pass through.
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