CN106182437A - A kind of cement sand and gravel mixing apparatus and method - Google Patents
A kind of cement sand and gravel mixing apparatus and method Download PDFInfo
- Publication number
- CN106182437A CN106182437A CN201610518970.XA CN201610518970A CN106182437A CN 106182437 A CN106182437 A CN 106182437A CN 201610518970 A CN201610518970 A CN 201610518970A CN 106182437 A CN106182437 A CN 106182437A
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- Prior art keywords
- aggregate
- blender
- cement
- bin
- gravel
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Classifications
-
- 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
- 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
- B28C7/0404—Proportioning
- B28C7/0418—Proportioning control systems therefor
-
- 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
- B28C7/0481—Plant for proportioning, supplying or batching
-
- 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
- B28C7/10—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors by means of rotary members, e.g. inclinable screws
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The present invention provides a kind of cement sand and gravel mixing apparatus and method, in this equipment, batcher docks with lithotrite entrance, lithotrite outlet is connected to screening machine entrance through the first aggregate belt conveyor, screening machine outlet is connected to aggregate batching system one end through the second aggregate belt conveyor, the aggregate batching system other end docks with blender through the 3rd aggregate conveyer belt, cement bin accesses blender, and fine coal ash silo accesses blender, and blender is connected to finished product storage bin through Finished Product Transport System；Liquor system, water system are respectively connected to blender, and control system connects aggregate batching system, cement bin, liquor system, fine coal ash silo, water system, and air-channel system is respectively connected to fine coal ash silo, cement bin and finished product storage bin.Set rubble of the present invention, screening and agitating function, make production continuous, reduce production cost, improve the service life mixing and stirring efficiency and mixing drum, it is achieved be worked into the continuous automatic production obtaining cement sand and gravel from aggregate.
Description
Technical field
The present invention relates to technical field of engineering machinery, be a kind of cement sand and gravel mixing apparatus and method.
Background technology
Cement sand and gravel is by a small amount of Binder Materials cementing natural soft-clay building stones, excavation rock ballast material, hand breaking sand gravel
Form Deng material, have gather materials on the spot, simple, the energy-conserving and environment-protective of constructing, numerous technological merits such as economical and practical, safe and reliable.Make
For a kind of New Building Materials, engineering aggregate fluctuation of aggregate graduation is big, clay content is high, structure fitted by suitable material, at dam, roadbed, bridge etc. for it
Construction aspect, has great popularizing application prospect.At present, China builds many cemented gravel dam cofferdam (such as Fu Jianjie
The cofferings such as face He Hongkou, Yunnan merit fruit bridge, Guizhou sand a small bay in a river, Sichuan Fei Xianguan).
Existing professional equipment is during mixing cement sand and gravel, and sand, stone, cement and flyash feeding simultaneously is to mixing drum
In, add water and additive afterwards, by the own rotation of mixing drum, complete uniformly to mix and stir operation, finally give gelling gravel
Stone material.Though having water and cement in this material, actually moist bulk cargo, aggregate maximum gauge reaches 150mm, right during mixing and stirring
The percussion of mixing drum is very big, easily causes the damage at mixing drum and raceway thereof.Mixing drum is as the key of whole system
One of parts, size is big, quality weight, once breaks down, and needs long-time shutdown maintenance, will result in huge economic loss.This
Outward, current construction method uses loader to carry out direct feeding, lacks broken or screening function, it is difficult to avoid being mixed into some relatively
Big aggregate (particle diameter is more than 150mm), has considerable influence to the final mass mixed and stirred；And the existing course of processing there is also efficiency
Low, yield poorly, of poor quality, labor intensity is big, be difficult to shortcomings such as working continuously.Therefore, the cement sand and gravel that invention is novel is needed badly
Mix and stir system, with reach to improve mixing drum intensity and performance, realize that aggregate is broken and screening, strengthen working ability, efficiency and
Quality, make the purposes such as production continuous and automatic.
Summary of the invention
The deficiency existed for prior art, the present invention provides a kind of cement sand and gravel mixing apparatus and method.
The technical scheme is that
The present invention provides a kind of cement sand and gravel mixing apparatus, including: batcher, lithotrite, screening machine, aggregate batching system,
Blender, air-channel system, Finished Product Transport System, finished product storage bin, cement bin, liquor system, fine coal ash silo, water system, control
System processed；
Batcher docks with lithotrite entrance, and lithotrite outlet is connected to screening machine entrance through the first aggregate belt conveyor, screening
Machine outlet is connected to aggregate batching system one end through the second aggregate belt conveyor, and the aggregate batching system other end is defeated through the 3rd aggregate
Sending band to dock with blender, cement bin passes sequentially through cement screw conveyer, cement is weighed, and screw machine accesses blender, flyash
Storehouse passes sequentially through flyash conveying worm, flyash is weighed, and screw machine accesses blender, and blender is through Finished Product Transport System even
It is connected to finished product storage bin；
Liquor system, water system are respectively connected to blender, control system connect aggregate batching system, cement bin, liquor system,
Fine coal ash silo, water system, air-channel system is respectively connected to fine coal ash silo, cement bin and finished product storage bin.
Described aggregate batching system includes aggregate bin and aggregate measuring belt, and aggregate bin entrance connects the second aggregate conveying skin
Band, aggregate bin outlet connects aggregate measuring belt one end, and the other end of aggregate measuring belt connects aggregate the 3rd belt conveyor.
Described Finished Product Transport System includes deflector chute, finished belt machine, and deflector chute one end coordinates with blender, and deflector chute is another
One end and finished belt machine one end fits, the other end of finished belt machine coordinates with finished product storage bin.
Described blender uses assembled mixing drum, and this assembled mixing drum is syllogic, is connected between each section, and two
Individual junction forms a raceway respectively.
The present invention also provides for a kind of method that cement sand and gravel is mixed and stirred, including:
Batcher feeds lithotrite sand gravel；
Lithotrite crushes sand gravel, and the aggregate obtained is delivered to screening machine through the first aggregate belt conveyor；
The aggregate that screening machine is qualified by obtaining diameter after aggregate screening, flows to aggregate batching system by the second aggregate belt conveyor
System, the underproof aggregate of diameter returns to lithotrite through the 4th aggregate belt conveyor and re-works；
Blender sent into after control system controls dispensing by the aggregate that diameter is qualified；
Control system controls liquor system, water system work, sends into liquor, water to blender；
Flyash in fine coal ash silo enters blender by flyash conveying worm, and the cement in cement bin passes through cement spiral shell
Rotation conveyer enters blender；
Blender stirring obtains finished product, is transported to finished product storage bin through Finished Product Transport System.
The present invention also provides for a kind of method that cement sand and gravel is mixed and stirred, including:
Batcher feeds lithotrite sand gravel；
Lithotrite crushes sand gravel, and the aggregate obtained is delivered to screening machine through the first aggregate belt conveyor；
The aggregate that screening machine is qualified by obtaining diameter after aggregate screening, flows to aggregate batching system by the second aggregate belt conveyor
System, the underproof aggregate of diameter returns to lithotrite through the 4th aggregate belt conveyor and re-works；
Aggregate bin delivered to by the aggregate that diameter is qualified, after aggregate measuring belt batching fallen by the aggregate in aggregate bin, through aggregate
Conveyer belt c sends into blender；
Control system controls liquor system, water system work, sends into liquor, water to blender；
Flyash in fine coal ash silo enters blender by flyash conveying worm, and the cement in cement bin passes through cement spiral shell
Rotation conveyer enters blender；
Blender stirring obtains finished product, is delivered to finished product storage bin through Finished Product Transport System.
The present invention also provides for a kind of method that cement sand and gravel is mixed and stirred, including:
Batcher feeds lithotrite sand gravel；
Lithotrite crushes sand gravel, and the aggregate obtained is delivered to screening machine through aggregate belt conveyor a；
The aggregate that screening machine is qualified by obtaining diameter after aggregate screening, by flowing to aggregate batching system through belt conveyor b, directly
The underproof aggregate in footpath returns to lithotrite through aggregate belt conveyor d and re-works；
Blender sent into after control system controls aggregate batching system dispensing by the aggregate that diameter is qualified；
Control system controls liquor system, water system work, sends into liquor, water to blender；
Flyash in fine coal ash silo enters blender by flyash conveying worm, and the cement in cement bin passes through cement spiral shell
Rotation conveyer enters blender；
Blender stirring obtains finished product, arrives finished belt machine through deflector chute, is transported to finished product storage bin.
The present invention also provides for a kind of method that cement sand and gravel is mixed and stirred, including:
Batcher feeds lithotrite sand gravel；
Lithotrite crushes sand gravel, and the aggregate obtained is delivered to screening machine through aggregate belt conveyor a；
The aggregate that screening machine is qualified by obtaining diameter after aggregate screening, by giving aggregate batching system through the defeated b of aggregate belt conveyor
System, the underproof aggregate of diameter returns to lithotrite through aggregate belt conveyor d and re-works；
Aggregate bin delivered to by the aggregate that diameter is qualified, after aggregate measuring belt batching fallen by the aggregate in aggregate bin, through aggregate
Conveyer belt d sends into blender；
Control system controls liquor system, water system work, sends into liquor, water to blender；
Flyash in fine coal ash silo enters blender by flyash conveying worm, and the cement in cement bin passes through cement spiral shell
Rotation conveyer enters blender；
Blender stirring obtains finished product, arrives finished belt machine through deflector chute, is transported to finished product storage bin.
Beneficial effect:
A kind of cement sand and gravel mixing apparatus of present invention offer and method, gathered rubble function, screening function and stirring merit
Can, reduce raw-material requirement, expand production capacity；Make production continuously, concentrate, decrease production cost；Improve
Automatization level, reduces labor intensity and operation danger coefficient；Achieve the company being worked into cement sand and gravel finished product from aggregate
Continuous automated production, improves and mixes and stirs efficiency and quality；Improve the design structure of mixing drum, enhance the reliability of mixing drum
And service life.This cement sand and gravel system of mixing and stirring can preferably avoid the burst accident of operation field, meets operating mode to mixing and stirring
The rigors of equipment.
It addition, the cement sand and gravel mixing apparatus reasonable in design of the present invention, use modularized design, fixed between each several part
Accurately, each link has accurate metrical instrument, it is achieved proportioning in high precision in position.It is convenient to arrange, floor space is little, and each several part can group
Dress uses, it is possible to be used alone.Employing foundation-free designs, and disassembled for transport and maintenance are easy to assembly, uses flexibly, can be according to need
Design the layout of the system of mixing and stirring, it is adaptable to the topographic structure of all kinds of complexity.
Accompanying drawing explanation
Fig. 1 is that the yi word pattern of the specific embodiment of the invention arranges cement sand and gravel mixing apparatus structural representation, and (a) is
Yi word pattern arranges cement sand and gravel mixing apparatus structural front view, and (b) is that yi word pattern arranges cement sand and gravel mixing apparatus structure
Top view；
Fig. 2 is the cement sand and gravel mixing apparatus structured flowchart of the embodiment of the present invention 1；
Fig. 3 is the cement sand and gravel mixing apparatus structured flowchart of the embodiment of the present invention 2；
Fig. 4 is the cement sand and gravel mixing apparatus structured flowchart of the embodiment of the present invention 3；
Fig. 5 is the cement sand and gravel mixing apparatus structured flowchart of the embodiment of the present invention 4；
Fig. 6 is the blender schematic diagram (gear drive) of the embodiment of the present invention 1；
Fig. 7 is the assembled mixing drum schematic diagram of the embodiment of the present invention 1；
Fig. 8 is the welding type stirring cylinder structural perspective of prior art；
Fig. 9 is welding roller way formula mixing drum of the prior art；
Figure 10 is the side view of the discharging opening side of welding roller way formula cylinder of the prior art；
Figure 11 is the side view of the charging aperture side of welding roller way formula cylinder of the prior art；
Figure 12 is the water system structural representation of the cement sand and gravel mixing apparatus of the embodiment of the present invention 1；
Figure 13 is the liquor system structure schematic diagram of the cement sand and gravel mixing apparatus of the embodiment of the present invention 1；
Figure 14 is the network intelligence control system block diagram of the embodiment of the present invention 1；
Figure 15 is the powder aggregate metering system control block diagram of the embodiment of the present invention 1；
Figure 16 is the liquid gaging system control block diagram of the embodiment of the present invention 1；
Figure 17 is the top view of the U-shaped layout cement sand and gravel mixing apparatus of the embodiment of the present invention 2；
Figure 18 is the blender schematic diagram (gear and frictional wheel drive) of the embodiment of the present invention 2；
In figure, 1-batcher, 2-lithotrite, 3-the first aggregate belt conveyor, 4-screening machine, 5-the second aggregate belt conveyor, 6-
Aggregate bin, 7-aggregate measuring belt conveyor, 8-the 3rd aggregate conveyer belt, 9-blender, 9a-is anterior, in the middle part of 9b-, 9c-afterbody,
Raceway before 9d-, raceway after 9e-, 9f-bolt, 10-deflector chute, 11-finished belt machine, 12-air-channel system, 13-finished product storing
Storehouse, 14-cement bin, 15-cement screw conveyer, 16-cement weighs screw machine, 17-liquor system, 18-fine coal ash silo, 19-
Flyash conveying worm, 20-flyash spiral weigher, 21-water system, 22-control system, 23-storage cylinder of water, 24-manages
Road pump, 25-water supply flow meter, 26-water electric control valve, 27-liquor cylinder, 28-liquor pump, 29-liquor effusion meter, 30-liquor
Electric control valve.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is elaborated, it is pointed out that the following stated is only
Presently preferred embodiments of the present invention, not makees any pro forma restriction, every technical spirit pair according to the present invention to the present invention
Any simple modification, equivalent variations and the modification that embodiment is made, the most still belongs to the protection domain of technical solution of the present invention.
Embodiment 1
A kind of cement sand and gravel mixing apparatus, including: batcher 1, lithotrite 2, screening machine 4, aggregate batching system, blender 9,
Air-channel system 12, Finished Product Transport System, finished product storage bin 13, cement bin 14, liquor system 17, fine coal ash silo 18, water system
21, control system 22.A kind of cement sand and gravel mixing apparatus uses the yi word pattern shown in Fig. 1 to arrange, Fig. 1 (a) is yi word pattern cloth
Putting cement sand and gravel mixing apparatus structural front view, Fig. 1 (b) is that yi word pattern arranges that cement sand and gravel mixing apparatus structure is overlooked
Figure；Blender 9 is in tilted layout, and uses gear drive.The cement sand and gravel mixing apparatus of the specific embodiment of the invention uses
Foundation-free structure designs, and is supported on ground with steel frame, and each several part may be used alone, can also be used in combination.Have
Being easy to mobile, construction is quick, positioning precision advantages of higher between component.
Batcher 1 docks with lithotrite 2 entrance, and lithotrite 2 exports and is connected to screening machine 4 through the first aggregate belt conveyor 3
Entrance, screening machine 4 exports and is connected to aggregate batching system one end, the aggregate batching system other end through the second aggregate belt conveyor 5
Docking with blender 9 through the 3rd aggregate conveyer belt 8, cement bin 14 passes sequentially through cement screw conveyer 15, spiral weighed by cement
Machine 16 accesses blender 9, and fine coal ash silo 18 passes sequentially through flyash conveying worm 19, flyash is weighed, and screw machine 20 access is stirred
Mixing machine 9, blender 9 is connected to finished product storage bin 13 through Finished Product Transport System.
Liquor system 17, water system 21 are respectively connected to blender 9, and control system 22 connects aggregate batching system, cement
Storehouse 14, liquor system 17, fine coal ash silo 18, water system 21, air-channel system 12 is respectively connected to fine coal ash silo 18, cement bin 14 and
Finished product storage bin 13.
In the present embodiment, oscillating feeder selected by batcher 1, in sand gravel production line original sand gravel uniformly, even
Continuous, quantitative feeding lithotrite, it is to avoid lithotrite charging aperture blocks, and makes whole production continuous-stable.
In the present embodiment, counterattack lithotrite selected by lithotrite 2, has multistage back cavity, has enough broken spaces, is suitable for
Crushing in bulk materials.Maximum feed diameter up to 700mm, the speed of mainshaft up to 300r/min, simple and reasonable, safeguard
Easy maintenance, compact conformation, machine stiffness are good, process granularity can obtain greatly more stages sand gravel product, under counterattack lithotrite
Portion coordinates with the first aggregate belt conveyor 3, is delivered to screening machine 4.The feed size of reaction type lithotrite is up to 700mm, to former
Material requirements is low, greatly enhances production capacity, it is possible to generous amount high-efficiency and continuous discharging, constant rate of production is up to 200m3/
h。
The raw material of lithotrite 2 is to be loaded batcher 1 by loader, batcher 1 uniformly and quantitatively add lithotrite 2.
The aggregate that lithotrite 2 obtains is transported screening machine 4 by the first aggregate belt conveyor 3, and screening machine 4 is selected Y-series circular shale shaker, done
Circus movement, is a kind of many numbers of plies, new high-efficiency vibrosieve, aim at stone pit screening work stone design, feed size up to
400mm, is mainly made up of screen box, screen cloth, damping spring device, underframe etc., and vibrator is arranged on sieve box side plate, by motor
It is rotated by shaft joint.In screening function ensures mixing drum, maximum aggregate diameter is less than 150mm, contributes to reducing stirring
Mix the impact failure of cylinder.The qualified aggregate that screening machine 4 obtains flows to aggregate batching system by the second aggregate belt conveyor 5,
The underproof aggregate of diameter returns to lithotrite through the 4th belt conveyor and re-works.
At present in actual production, welding roller way formula mixing drum as shown in Figure 8 and Figure 9 of the prior art, by raceway
Segmentation is welded on cylinder, and Figure 10 is the side view of the discharging opening side of welding roller way formula cylinder of the prior art, Figure 11
It it is the side view of the charging aperture side of welding roller way formula cylinder of the prior art.As it is shown in figure 9, raceway before two welding roller ways
After A and welding, raceway C is respectively welded at two regions before and after cylinder, is provided with after the front raceway A of welding and welding between raceway C
Floor B, but the intensity of weld is relatively low, easily occurs destroying and cracking phenomena, for this problem, blender 9 in the present embodiment
Using assembled mixing drum as shown in Figure 7, this assembled mixing drum is syllogic, including the anterior 9a of mixing drum, middle part 9b,
Afterbody 9c, is connected by bolt 9f between each section, and two junctions form a raceway respectively, including front raceway 9d, after
Raceway 9e.Needing certain space owing to installing bolt 9f, therefore the rolling track and radial size of the mixing drum in the present embodiment can be bigger
Some.As shown in Figure 6, blender 9 uses foundation-free structure to blender 9 schematic diagram, and inner barrel is divided into charging, lifting, goes out
Expecting that three regions, charging, discharging region use inside and outside Double cone structure, lifting region uses column structure, in three regions all
It is provided with blade.Different length, the pull-on section blade of different types, stirring section vanes and discharge zone it is provided with in different sections
Section blade, blade is made up of wear-resisting steel plate, and staggered helical is distributed in cylinder, detachably.Material charging in mixing drum
Carry out advancing, split and promoting under the synergy of blade, lifting blade and discharge blade, make material during advancing
Mutual alignment is continually changing, it is achieved crossed space formula mixes, thus reaches the purpose of uniform stirring.
Application FInite Element carries out Strength co-mputation to the assembled mixing drum of the present embodiment, and wherein mixing drum material is 16Mn
Steel, allowable stress is 250MPa, elastic modulus E=210GPa, Poisson's ratio μ=0.3, density p=7800kg/m.To this novel knot
Structure uses automated process (hexahedral element) to carry out stress and strain model, and unit size size is 30mm.Fixed constraint is positioned at mixing drum
On the baffle plate at middle part；Additionally, cement sand and gravel density p=2450kg/m, drum speed 16rpm, mixing drum inclination angle is 5 °, stirs
Mix a cylinder and apply pressure by practical situation, conduct oneself with dignity including cylinder and contain the weight of material and rotated by mixing drum and produce
The effect of centrifugal force, finally, the support force at each support roller is F=33200N.Support roller and mixing drum are theoretically linear contact lay,
But actually necessarily contact for face due to plastic deformation, numerical model will carry out simulation calculation according to face contact；Mixing drum exists
At the uniform velocity rotating in work, therefore stress is also circumferentially uniform, for the ease of calculating and ensureing accuracy, for mixing drum
Carry out calculation and Analysis of Static Force.The maximum stress of assembled mixing drum is 7.52MPa, and maximum strain is 3.76 × 10-5Mm, stress should
Become and be evenly distributed in support roller and mixing drum contact area.
By analyzing, the mixing drum structure that assembled mixing drum designs relative to generality, raceway intensity is higher, answer
Stress-strain value is less, the reliability of raceway high, i.e. service life is long.This is because the radial dimension of raceway, amount of deflection and rigidity are big,
The elastic deformation produced in operation process is little, and the alternate stress born is also the least, is beneficial to the growth in its service life；It addition,
Raceway and stack shell one, structure is firm, and raceway intensity is better than cylinder, is not likely to produce destruction；Shake additionally, bolt connects shock resistance
Kinetic force is strong, and reliability is high, and has the advantage such as simple in construction, easy accessibility.Therefore, strong at the raceway of assembled mixing drum
Du Genggao, better reliability.
Cement bin and fine coal ash silo are above inclined wimble structure, cement bin and fine coal ash silo cone discharging opening and are equipped with broken arch
Device and waterproof baffle ring, cement bin outlet and the outlet of fine coal ash silo are docked with a conveying worm one end respectively, helical feed
The machine other end and screw machine one end docking of weighing, the screw machine other end of weighing is connected with feed pipe by cloth bag, feed pipe
The other end inserts blender.
Air-channel system 12 is mainly made up of air compressor machine, Pneumatic controlled box, fluidizer air cushion, cylinder.The compressed air that air compressor machine produces,
Flow-aid device pad in a part of feeding pulverized coal ash silo and cement bin is used for broken arch, and part supply finished product storage bin cylinder is used for out
Close Dump gate.
As shown in figure 13, liquor system 17 includes liquor cylinder 27, liquor pump 28, liquor effusion meter 29, liquor motorized adjustment
Valve 30, is provided with agitating device in liquor cylinder 27, agitating device includes reducing motor, shaft, stirring vane, and reducing motor drives
Shaft, shaft is provided with stirring vane, and liquor passes sequentially through liquor pump 28, liquor effusion meter 29, liquor electric control valve
30 are connected with blender 9.
As shown in figure 12, water system 21 is main by storage cylinder of water 23, pipeline pump 24, water supply flow meter 25, water motorized adjustment
Valve 26 forms, and the water in storage cylinder of water 23 pressurizes through pipeline pump 24 successively, water supply flow meter 25, water electric control valve 26 flow into stirring
Machine 9.
As shown in figure 14, the control system of the present embodiment 1 is by control room, Site Detection and execution system, field monitor system
System and GPRS long-distance radio communication system composition, be controlled room, field monitor system by GPRS long range radio transmissions technology
And the wireless telecommunications between Site Detection and execution system, it is achieved remotely monitor.By RS-485 interface, use Modbus on-the-spot total
Line technology, carries out the Site Detection of networking and field control and execution to equipment.Use " multichannel network intelligence instrument ", one
Block instrument can meet the Data Detection needs of native system, it is achieved that full digital control based on network, and control system equipment is few, line
Road is few, and signal transmission is reliable, and precision is high, and intelligence degree is high；Have and automatically and manually control function.Material ratio can set,
Setting value shows in real time with actual value data.Use PID intelligent control mode, lack material and report to the police, autostop under feeding, produce
Data can store.
Aggregate bin bottom be furnished with speed can the measuring belt scale of Intelligent adjustment, the control of measuring belt scale as shown in figure 15,
Can realize the continuous metering to aggregate, accurate measurement, precision is high, and has scarce material warning function.Cement bin, fine coal ash silo are furnished with
Weighing screw machine, screw machine of weighing is furnished with the LOAD CELLS of precision, the control of screw machine of weighing is as shown in figure 15, it is possible to even
Continuous metering, measuring accuracy is high.The electric control valve of water system and the electric control valve of liquor system can anti-according to effusion meter
Feedback signal regulates in real time, it is achieved continuous metering, and measuring accuracy is high, the control of water system and liquor system such as Figure 16 institute
Show.By to aggregate bin, the flow-control of fine coal ash silo, water system and liquor system realizes the proportioning of essence amount, and makes production
Continuous and automatic.
The lithotrite of the present embodiment can be used alone, and completes rubble operation.Screening system can with the combination of blender simultaneously
To complete to mix and stir operation for relatively small granulated aggregate.
Fig. 2 show the cement sand and gravel mixing apparatus structured flowchart of embodiment 1.Cement sand and gravel shown in Fig. 2 is mixed and stirred
Equipment carries out the method that cement sand and gravel is mixed and stirred, including:
(1), 1 sand gravel feeding lithotrite 2 of batcher；
(2), lithotrite 2 crush sand gravel, the aggregate obtained is delivered to screening machine 4 through the first aggregate belt conveyor 3；
(3), aggregate that screening machine 4 is qualified by obtaining diameter after aggregate screening, by flowing to bone through the second aggregate belt conveyor 5
Material feed proportioning system, the underproof aggregate of diameter returns to lithotrite 2 through the 4th aggregate belt conveyor and re-works；
(4), the qualified aggregate of diameter through aggregate batching system, control system 22 sends into stirring after controlling aggregate batching system dispensing
Machine 9；
(5), control system 22 controls liquor system 17, water system 21 works, and sends into liquor, water to blender 9；
(6), the flyash in fine coal ash silo 18 enters blender 9, the water in cement bin 14 by flyash conveying worm 19
Mud enters blender 9 by cement screw conveyer 15；
(7), blender 9 stirring obtain finished product, be transported to finished product storage bin 13 through Finished Product Transport System.
Embodiment 2
In the present embodiment, cement sand and gravel mixing apparatus uses the U-shaped layout shown in Figure 17, have saving space, be easy to assemble,
Improve the advantages such as efficiency.As shown in figure 18, mixing drum horizontal positioned, the kind of drive is gear drive and frictional wheel drive combination,
The advantages such as the stability having gathered gear-driven high efficiency and friction pulley.
Aggregate batching system includes that aggregate bin 6 and aggregate measuring belt 7, aggregate bin 6 entrance connect the second aggregate conveying skin
Band 5, aggregate bin 6 outlet connects aggregate measuring belt 7 one end, and the other end of aggregate measuring belt 7 connects aggregate conveyer belt 8.Its
Remaining part is divided same as in Example 1.Aggregate bin 6 steel frame is supported on ground, be a kind of matching used with blender before
Platform Automatic batching equipment.It may be used for the cement sand and gravel proportioning of design, is automatically performed the dispensing of the materials such as sand, stone, cement
Program, selection PLD series aggregate machine can be joined four kinds of aggregates for the preparation of cement sand and gravel, PLD series aggregate machine, use electronics
Claiming metering, batching sequence controller automatically controls, have proportioning accuracy height, strong adaptability, easy and simple to handle, use reliably, structure
The features such as simple, intuitive.The aggregate prepared of aggregate bin 6 outlet output transmits to the after aggregate measuring belt 7 Weighing
Three aggregate conveyer belts 8, and then be delivered to blender 9 and be stirred.Aggregate bin 6 top is rectangular structure, and bottom is conical surface knot
Structure, cone mouth coordinates with aggregate measuring belt 7, is provided with pressure reductor in aggregate bin 6, is provided with bin gate at cone mouth, goes out in order to adjust aggregate
Mouth size, regulates volume of production according to the condition of production.Aggregate bin 6 is additionally provided with vibrator, prevents the blocking of outlet, makes production continuously may be used
OK.Aggregate measuring belt 7 measures for continuous way, which is provided with and lacks material alarm.
Fig. 3 show the cement sand and gravel mixing apparatus structured flowchart of embodiment 2.Cement sand and gravel shown in Fig. 3 is mixed and stirred
Equipment carries out the method that cement sand and gravel is mixed and stirred, including:
(1), 1 sand gravel feeding lithotrite 2 of batcher；
(2), lithotrite 2 crush sand gravel, the aggregate obtained is delivered to screening machine 4 through the first aggregate belt conveyor 3；
(3), aggregate that screening machine 4 is qualified by obtaining diameter after aggregate screening, by flowing to bone through the second aggregate belt conveyor 5
Material feed proportioning system, the underproof aggregate of diameter returns to lithotrite 2 through the 4th aggregate belt conveyor and re-works；
(4), aggregate that diameter is qualified deliver to aggregate bin 6, after aggregate measuring belt 7 batching fallen by the aggregate in aggregate bin 6,
Blender 9 is sent into through the 3rd aggregate conveyer belt 8；
(5), control system 22 controls liquor system 17, water system 21 works, and sends into liquor, water to blender 9；
(6), the flyash in fine coal ash silo 18 enters blender 9, the water in cement bin 14 by flyash conveying worm 19
Mud enters blender 9 by cement screw conveyer 15；
(7), blender 9 stirring obtain finished product, be delivered to finished product storage bin 13 through Finished Product Transport System.
Embodiment 3
In the present embodiment, Finished Product Transport System includes that deflector chute 10, finished belt machine 11, deflector chute 10 one end are joined with blender 9
Closing, deflector chute 10 other end and finished belt machine 11 one end fits, the other end of finished belt machine 11 is joined with finished product storage bin 13
Close.Remainder is same as in Example 1.
Fig. 4 show the cement sand and gravel mixing apparatus structured flowchart of embodiment 3.Cement sand and gravel shown in Fig. 4 is mixed and stirred
Equipment carries out the method that cement sand and gravel is mixed and stirred, including:
(1), 1 sand gravel feeding lithotrite 2 of batcher；
(2), lithotrite 2 crush sand gravel, the aggregate obtained is delivered to screening machine 4 through the first aggregate belt conveyor 3；
(3), aggregate that screening machine 4 is qualified by obtaining diameter after aggregate screening, by flowing to bone through the second aggregate belt conveyor 5
Material feed proportioning system, the underproof aggregate of diameter returns to lithotrite 2 through the 4th aggregate belt conveyor and re-works；
(4), the qualified aggregate of diameter through aggregate batching system, control system 22 sends into stirring after controlling aggregate batching system dispensing
Machine 9；
(5), control system 22 controls liquor system 17, water system 21 works, and sends into liquor, water to blender 9；
(6), the flyash in fine coal ash silo 18 enters blender 9, the water in cement bin 14 by flyash conveying worm 19
Mud enters blender 9 by cement screw conveyer 15；
(7), blender 9 stirring obtain finished product, arrive finished belt machine 11 through deflector chute 10, be transported to finished product storage bin 13.
Embodiment 4
In the present embodiment, aggregate batching system includes that aggregate bin 6 and aggregate measuring belt 7, aggregate bin 6 entrance connect the second aggregate
Belt conveyor 5, aggregate bin 6 outlet connects aggregate measuring belt 7 one end, and the other end of aggregate measuring belt 7 connects the 3rd aggregate
Conveyer belt 8；Finished Product Transport System includes that deflector chute 10, finished belt machine 11, deflector chute 10 one end coordinate with blender 9, guide
Groove 10 other end and finished belt machine 11 one end fits, the other end of finished belt machine 11 coordinates with finished product storage bin 13.Remaining
Part is same as in Example 1.
Fig. 5 show the cement sand and gravel mixing apparatus structured flowchart of embodiment 4.Cement sand and gravel shown in Fig. 5 is mixed and stirred
Equipment carries out the method that cement sand and gravel is mixed and stirred, including:
(1), 1 sand gravel feeding lithotrite 2 of batcher；
(2), lithotrite 2 crush sand gravel, the aggregate obtained is delivered to screening machine 4 through the first aggregate belt conveyor 3；
(3), aggregate that screening machine 4 is qualified by obtaining diameter after aggregate screening, by flowing to bone through the second aggregate belt conveyor 5
Material feed proportioning system, the underproof aggregate of diameter returns to lithotrite 2 through the 4th aggregate belt conveyor and re-works；
(4), aggregate that diameter is qualified deliver to aggregate bin 6, after aggregate measuring belt 7 batching fallen by the aggregate in aggregate bin 6,
Blender 9 is sent into through the 3rd aggregate conveyer belt 8；
(5), control system 22 controls liquor system 17, water system 21 works, and sends into liquor, water to blender 9；
(6), the flyash in fine coal ash silo 18 enters blender 9, the water in cement bin 14 by flyash conveying worm 19
Mud enters blender 9 by cement screw conveyer 15；
(7), blender 9 stirring obtain finished product, arrive finished belt machine 11 through deflector chute 10, be transported to finished product storage bin 13.
A kind of cement sand and gravel mixing apparatus set of the present invention rubble function, screening function and agitating function, expand life
Production capacity power, decreases production cost, improves automatization level, improves production efficiency and quality, and significantly enhances
The reliability of mixing plant and service life.Meanwhile, this system entirety uses foundation-free design, rational in infrastructure, convenient dismounting fortune
Defeated and maintenance is assembled, and construction is rapidly, it is adaptable to all kinds of complicated landform.Additionally, its each several part equipment can also be used alone or group
Join production, significantly improve production capacity and equipment service efficiency, perfect system functional.
Claims (9)
1. a cement sand and gravel mixing apparatus, it is characterised in that including: batcher (1), lithotrite (2), screening machine (4), bone
Material feed proportioning system, blender (9), air-channel system (12), Finished Product Transport System, finished product storage bin (13), cement bin (14), liquid
Agent system (17), fine coal ash silo (18), water system (21), control system (22)；
Batcher (1) docks with lithotrite (2) entrance, and lithotrite (2) outlet is connected to screening through the first aggregate belt conveyor (3)
Machine (4) entrance, screening machine (4) outlet is connected to aggregate batching system one end, aggregate batching system through the second aggregate belt conveyor (5)
The system other end docks with blender (9) through the 3rd aggregate conveyer belt (8), and cement bin (14) passes sequentially through cement screw conveyer
(15), cement weigh screw machine (16) access blender (9), fine coal ash silo (18) passes sequentially through flyash conveying worm
(19), flyash weigh screw machine (20) access blender (9), blender (9) is connected to finished product storing through Finished Product Transport System
Storehouse (13)；
Liquor system (17), water system (21) are respectively connected to blender (9), control system (22) connect aggregate batching system,
Cement bin (14), liquor system (17), fine coal ash silo (18), water system (21), air-channel system (12) is respectively connected to flyash
Storehouse (18), cement bin (14) and finished product storage bin (13).
Cement sand and gravel mixing apparatus the most according to claim 1, it is characterised in that described aggregate batching system includes bone
Feed bin (6) and aggregate measuring belt (7), aggregate bin (6) entrance connects the second aggregate belt conveyor (5), and aggregate bin (6) outlet is even
Synthetism material measuring belt (7) one end, the other end of aggregate measuring belt (7) connects the 3rd aggregate conveyer belt (8).
Cement sand and gravel mixing apparatus the most according to claim 1, it is characterised in that described Finished Product Transport System includes leading
Hopper (10), finished belt machine (11), deflector chute (10) one end coordinates with blender (9), deflector chute (10) other end and finished product
Belt feeder (11) one end fits, the other end of finished belt machine (11) coordinates with finished product storage bin (13).
Cement sand and gravel mixing apparatus the most according to claim 1, it is characterised in that described aggregate batching system includes bone
Feed bin (6) and aggregate measuring belt (7), aggregate bin (6) entrance connects the second aggregate belt conveyor (5), and aggregate bin (6) outlet is even
Synthetism material measuring belt (7) one end, the other end of aggregate measuring belt (7) connects the 3rd aggregate conveyer belt (8)；
Described Finished Product Transport System includes deflector chute (10), finished belt machine (11), and deflector chute (10) one end is joined with blender (9)
Close, deflector chute (10) other end and finished belt machine (11) one end fits, the other end of finished belt machine (11) and finished product storing
Storehouse (13) coordinates.
5. according to the cement sand and gravel mixing apparatus according to any one of claim 1,3,4, it is characterised in that described blender
(9) using assembled mixing drum, this assembled mixing drum is syllogic, is connected between each section, two junction shapes respectively
Become a raceway.
6. the cement sand and gravel mixing apparatus described in claim 1 carries out the method that cement sand and gravel is mixed and stirred, it is characterised in that bag
Include:
Batcher (1) feeds lithotrite (2) sand gravel；
Lithotrite (2) crushes sand gravel, and the aggregate obtained is delivered to screening machine (4) through the first aggregate belt conveyor (3)；
The aggregate that screening machine (4) is qualified by obtaining diameter after aggregate screening, by flowing to bone through the second aggregate belt conveyor (5)
Material feed proportioning system, the underproof aggregate of diameter returns to lithotrite (2) through the 4th aggregate belt conveyor and re-works；
It is qualified that blender (9) diameter sent into after control system (22) controls aggregate batching system dispensing by the aggregate that diameter is qualified
Aggregate is through aggregate batching system, and control system sends into blender (9) after controlling aggregate batching system dispensing；
Control system (22) controls liquor system (17), water system (21) work, sends into liquor, water to blender (9)；
Flyash in fine coal ash silo (18) is entered in blender (9), cement bin (14) by flyash conveying worm (19)
Cement by cement screw conveyer (15) enter blender (9)；
Blender (9) stirring obtains finished product, is delivered to finished product storage bin (13) through Finished Product Transport System.
7. the cement sand and gravel mixing apparatus described in claim 2 carries out the method that cement sand and gravel is mixed and stirred, it is characterised in that bag
Include:
Batcher (1) feeds lithotrite (2) sand gravel；
Lithotrite (2) crushes sand gravel, and the aggregate obtained is delivered to screening machine (4) through the first aggregate belt conveyor (3)；
The aggregate that screening machine (4) is qualified by obtaining diameter after aggregate screening, by flowing to bone through the second aggregate belt conveyor (5)
Material feed proportioning system, the underproof aggregate of diameter returns to lithotrite (2) through the 4th aggregate belt conveyor and re-works；
Aggregate bin (6) delivered to by the aggregate that diameter is qualified, and aggregate measuring belt (7) batching fallen by the aggregate in aggregate bin (6)
After, send into blender (9) through the 3rd aggregate conveyer belt (8)；
Control system (22) controls liquor system (17), water system (21) work, sends into liquor, water to blender (9)；
Flyash in fine coal ash silo (18) is entered in blender (9), cement bin (14) by flyash conveying worm (19)
Cement by cement screw conveyer (15) enter blender (9)；
Blender (9) stirring obtains finished product, is delivered to finished product storage bin (13) through Finished Product Transport System.
8. the cement sand and gravel mixing apparatus described in claim 3 carries out the method that cement sand and gravel is mixed and stirred, it is characterised in that bag
Include:
Batcher (1) feeds lithotrite (2) sand gravel；
Lithotrite (2) crushes sand gravel, and the aggregate obtained is delivered to screening machine (4) through the first aggregate belt conveyor (3)；
The aggregate that screening machine (4) is qualified by obtaining diameter after aggregate screening, by flowing to bone through the second aggregate belt conveyor (5)
Material feed proportioning system, the underproof aggregate of diameter returns to lithotrite (2) through the 4th aggregate belt conveyor and re-works；
The aggregate that diameter is qualified sends into blender after aggregate batching system, control system (22) control aggregate batching system dispensing
(9)；
Control system (22) controls liquor system (17), water system (21) work, sends into liquor, water to blender (9)；
Flyash in fine coal ash silo (18) is entered in blender (9), cement bin (14) by flyash conveying worm (19)
Cement by cement screw conveyer (15) enter blender (9)；
Blender (9) stirring obtains finished product, arrives finished belt machine (11) through deflector chute (10), is delivered to finished product storage bin
(13).
9. the cement sand and gravel mixing apparatus described in claim 4 carries out the method that cement sand and gravel is mixed and stirred, it is characterised in that bag
Include:
Batcher (1) feeds lithotrite (2) sand gravel；
Lithotrite (2) crushes sand gravel, and the aggregate obtained is delivered to screening machine (4) through the first aggregate belt conveyor (3)；
The aggregate that screening machine (4) is qualified by obtaining diameter after aggregate screening, flows to aggregate by the second aggregate belt conveyor (5)
Feed proportioning system, the underproof aggregate of diameter returns to lithotrite (2) through the 4th aggregate belt conveyor and re-works；
Aggregate bin (6) delivered to by the aggregate that diameter is qualified, and aggregate measuring belt (7) batching fallen by the aggregate in aggregate bin (6)
After, send into blender (9) through the 3rd aggregate conveyer belt (8)；
Control system (22) controls liquor system (17), water system (21) work, sends into liquor, water to blender (9)；
Flyash in fine coal ash silo (18) is entered in blender (9), cement bin (14) by flyash conveying worm (19)
Cement by cement screw conveyer (15) enter blender (9)；
Blender (9) stirring obtains finished product, arrives finished belt machine (11) through deflector chute (10), is delivered to finished product storage bin
(13).
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| CN201610518970.XA CN106182437A (en) | 2016-07-04 | 2016-07-04 | A kind of cement sand and gravel mixing apparatus and method |
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|---|---|---|---|
| CN201610518970.XA CN106182437A (en) | 2016-07-04 | 2016-07-04 | A kind of cement sand and gravel mixing apparatus and method |
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| CN108312333A (en) * | 2018-02-11 | 2018-07-24 | 重庆富皇建材有限公司 | A kind of baiting method of ready-mixed concrete |
| CN108858793A (en) * | 2018-07-26 | 2018-11-23 | 临沂天元混凝土工程有限公司 | Unattended intelligent mixing plant system |
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| CN111559007A (en) * | 2020-05-18 | 2020-08-21 | 许昌德通振动搅拌技术有限公司 | Brick making production line and water adding method thereof |
| CN112318722A (en) * | 2020-11-02 | 2021-02-05 | 中国电建集团贵阳勘测设计研究院有限公司 | Cemented sand gravel mixing equipment |
| CN112756250A (en) * | 2020-12-21 | 2021-05-07 | 中国水利水电科学研究院 | Device for online identification and grading optimization of cemented sand gravel granules |
| CN112976315A (en) * | 2019-12-18 | 2021-06-18 | 山西大地华基建材科技有限公司 | Dry-mixed mortar production system |
| CN114147861A (en) * | 2021-12-02 | 2022-03-08 | 国网北京市电力公司 | Intelligent mixing system for mountainous concrete and operation method |
| CN114290530A (en) * | 2021-12-02 | 2022-04-08 | 杭州江河机电装备工程有限公司 | Production equipment and production process for poor cementing material concrete |
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| CN112756250A (en) * | 2020-12-21 | 2021-05-07 | 中国水利水电科学研究院 | Device for online identification and grading optimization of cemented sand gravel granules |
| CN114147861A (en) * | 2021-12-02 | 2022-03-08 | 国网北京市电力公司 | Intelligent mixing system for mountainous concrete and operation method |
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