CN209646691U - A kind of high-quality sandstone aggregate five is enjoyed a double blessing dry milling production line - Google Patents
A kind of high-quality sandstone aggregate five is enjoyed a double blessing dry milling production line Download PDFInfo
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- CN209646691U CN209646691U CN201920255544.0U CN201920255544U CN209646691U CN 209646691 U CN209646691 U CN 209646691U CN 201920255544 U CN201920255544 U CN 201920255544U CN 209646691 U CN209646691 U CN 209646691U
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Abstract
It enjoys a double blessing dry milling production line the utility model discloses a kind of high-quality sandstone aggregate five, including material pretreatment system, the discharge gate of material pretreatment system is connect with double impact grinding equipment feed inlets of fine work coarse-fine aggregate system of processing, its discharge port is connect with level-one powder concentrator, the discharge port and finished product of level-one powder concentrator sieve, the proportion adjustment circulatory system, the finished product screening, the super partial size material discharge port of the proportion adjustment circulatory system is connected by circulation double speed double frequency aggregate reclaiming equipment feed inlet, fine work sandstone aggregate is connected to corresponding finished product bin, or it is connected by circulation double speed double frequency aggregate reclaiming equipment feed inlet, it is equipped with multistage below fine work sand discharge port and selects powder equipment, the utility model is using multistage desliming, double counterattack impact grindings, dual vertical impact grinding shaping sand-making, multistage selects powder, the manufacturing line of multiple stage circulation, The system production capacity and finished product sandstone aggregate quality effectively improved, it is energy-efficient, it is practical.
Description
Technical field
It enjoys a double blessing dry milling production line the utility model relates to a kind of high-quality sandstone aggregate five, belongs to sand production processed and set
Sand technical field of producing standby, processed.
Background technique
Currently, traditional sandstone aggregate production line generallys use grizzly feeder even feeding in sandstone aggregate production,
Using coarse crushing Hubei Province it is broken and in broken circular cone is broken or counterattack it is broken carry out it is broken complete pretreatment of raw material, then pretreated material is entered
Vertical-spindle hammer crusher is broken, and after being sieved into screening system, qualified products enter finished bin, oversize material by finished belt machine
It is transmitted back to vertical-spindle hammer crusher Mechanical Crushing by return conveyer machine, the advantages of this conventional crushing production line is: structure is simple, saves
Equipment investment, but configuration is single, practicability is low, it not can guarantee product quality and adjustment discharging ratio, there are many defects:
(1) to ingredient requirement height, simple desliming process is carried out only with grizzly feeder, little particle clod can not be removed and mine is come
The miscellaneous clod of feed collet, desilts that effect is limited, and the feedstock processing high for clay content be not clean, influences the efficiency and finished product of subsequent sand processed
Sandstone quality influences sandstone aggregate quality and influences concrete quality, while increasing the usage amount of additive, increases concrete matched
It is set to this, while causing the unstability of concrete；(2) conventional production lines reduction ratio is low, and energy consumption is high, and there are crack defects for product
And the defect that elongated particles are high, low output, if necessary to increase charging partial size, then the equipment for needing replacing larger number increases
Add energy consumption；(3) conventional vertical shaft is broken is mainly used for shaping, and breaking capacity is limited, and reduction ratio is low, and traditional equipment needs in order to balance
Take into account sand and shaping effect processed, it is desirable that feed size is less than 15mm, just can ensure that the stability of equipment, produces if necessary to increase
Can, then needing to increase number of devices just can guarantee, increase investment；(4) single host technique can only single-stage crushing, reduction ratio is small,
Product-level is matched unreasonable and can not be adjusted.Treating capacity is low, if necessary to improve yield, it is necessary to and it reduces feed size and is just able to achieve,
Single stage crushing must just be increased by reducing feed size, equally also will increase equipment investment；(5) product is single, due to feed size
It is too small, sand can only be produced, cannot be produced simultaneously aggregate (fine work rice stone and fine work rubble), production is not flexible, can not meet client
Demand, if client needs fine work rice stone and fine work rubble to will definitely increase equipment (production line/system) investment；(6) to raw material
Requirement it is stringent, since pretreatment of raw material section and sand section processing capacity processed are weaker, the mountain flour that contains in Machine-made Sand proportion is not easy
Control, superfines not easy-clear, cause Machine-made Sand gradation unreasonable, and when raw material is higher containing powder or containing mud, dust removal is at high cost；
(7) conventional production lines are too simple, can not form circulation loop, and product discharge ratio can not be adjusted according to the market demand,
Ratio is unreasonable, increases production cost, brings feed bin to store pressure, or even will affect production run.(8) simple process, can only
The Machine-made Sand of one content of stone powder of production list, and Machine-made Sand content of stone powder is generally 13%-15%, and the quality of concrete is caused to be stablized
Property it is poor, be unable to satisfy the Machine-made Sand requirement of present high performance concrete varying strength, increase concrete mixing cost.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of dry milling of enjoying a double blessing of this high-quality sandstone aggregate five is raw
Producing line, can be with overcome the deficiencies in the prior art.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions: a kind of high-quality sandstone
Aggregate five is enjoyed a double blessing dry milling production line, including raw material cabin, and material pretreatment system, object are equipped with below the discharge port of raw material cabin
The discharge gate of material pretreatment system is connect with fine work coarse-fine aggregate system of processing, and the fine work coarse-fine aggregate system of processing includes double
Fast double frequency aggregate reclaiming equipment, discharge port are connect with level-one powder concentrator feed inlet, the discharge port and finished product screen of level-one powder concentrator
Divide, the connection of the proportion adjustment circulatory system, the finished product screening, the proportion adjustment circulatory system are for finished product sandstone aggregate mixture
Sieve classification, and adjust finished sand discharging ratio；Finished product screening, the proportion adjustment circulatory system super partial size material discharge port
It is connected by circulation double speed double frequency aggregate reclaiming equipment feed inlet, finished product sandstone aggregate discharge port is connected to corresponding feed bin, or follows
Ring is connected to double speed double frequency aggregate reclaiming equipment feed inlet, is equipped with multistage below fine work sand discharge port and selects powder equipment, multistage selects powder
Equipment is used to manufacture the fine work sand of a variety of different content of stone powder；
Above equipment is connected except dirt pits passes through cleaning shaft with dust collecting system；
Its co-operating PLC control system is connect above equipment with control.
Afore-mentioned materials pretreatment system includes grizzly feeder, impact crushing equipment, the first screening plant and desliming screen, institute
Stating impact crushing equipment includes that the broken counterattack broken in of coarse crushing counterattack is broken, and first screening plant is the vibrating screen of multilayer setting,
The outlet of grizzly feeder coarse fodder is struck back broken feed inlet with coarse crushing and is connect, and coarse crushing is struck back broken discharge port and connect with the first screening plant,
The super partial size material outlet of first screening plant broken strikes back broken feed inlet in being connected by circulation；Small particle material outlet passes through transfer material
Storehouse is connect with fine work coarse-fine aggregate system of processing；The broken broken connection of counterattack in by desliming screen of grizzly feeder fine material outlet.
The distribution equipment that aforementioned finished product sieves, the proportion adjustment circulatory system includes the second screening plant and is attached thereto, institute
Stating distribution equipment includes multiple trippers to connect one to one with the second screening plant each discharge port, and the tripper is electricity
Surge tripper or be arranged in the second screening plant discharging shuttle slot on threeway regulating device.
Aforementioned finished product screening, the proportion adjustment circulatory system include the second screening plant and the finished product grain fineness number mould being attached thereto
Number regulation device；Also, it is controlled in the detection that the discharge outlet of the finished product grain fineness number modulus regulation device is equipped with fineness modulus
Device.
It includes No. four trippers and second level powder concentrator, the feed inlet and the second sieve of No. four trippers that aforementioned multistage, which selects powder equipment,
The fine work sand of subset exports connection, and a discharge port of No. four trippers passes through second level powder concentrator and corresponding low mountain flour fine work
The connection of sand feed bin, another discharge port are connected to high mountain flour fine work sand feed bin.
Compared with the prior art, the utility model discloses a kind of high-quality sandstone aggregate five and enjoys a double blessing dry milling production line,
Including raw material cabin, material pretreatment system is equipped with below the discharge port of raw material cabin, the material pretreatment system includes rod
Batcher, desliming screen, impact crushing equipment and the first screening plant can carry out the level-one desliming of material by grizzly feeder,
Second level desliming is carried out by desliming screen, impact crushing equipment and the first screening plant and repeatedly recycles broken, shaping, guarantees material
It is cleaned very much after pretreatment, grain shape is good, and then sand efficiency and system processed are effectively improved in subsequent fine work coarse-fine aggregate system of processing
Chiltern amount guarantees sandstone aggregate stability and concrete quality stability.
The impact crushing equipment can be used for various material pretreatments, is particularly suitable for big clod, includes mud material block, breaks
After broken and mud material will be contained with the first screening plant and carry out screening separation, can realize the multiple desliming of material and be crushed.
The material pretreatment system is connect by transfer feed bin with fine work coarse-fine aggregate system of processing, is made by pretreatment
Material double speed double frequency aggregate reclaiming equipment be transported by transfer feed bin carry out sand processed, obtain fine work rubble, fine work rice stone and fine work
Sand mixture, the double speed double frequency aggregate reclaiming equipment can not only realize circulation sand, improve sand efficiency processed, and effectively mention
High fine work sand shakes out efficiency.
The discharge port of the double speed double frequency aggregate reclaiming equipment is recycled by level-one powder concentrator and finished product screening, proportion adjustment
System connection, the level-one powder concentrator are used for mixture pre-selection powder, reduce the content of stone powder of mixture, it is possible to reduce mountain flour blocking
Sieve improves sand efficiency processed；Mixture screening is carried out by finished product screening, the proportion adjustment circulatory system again, makes separation
Fine work rubble, fine work rice stone and fine work sand are respectively fed to corresponding feed bin, and pass through finished product screening, the proportion adjustment circulatory system
Each finished product material proportion adjustment is carried out, makes super partial size material, fine work rubble, fine work rice stone according to setting ratio or the corresponding material of deposit
Storehouse, or it is again introduced into double speed double frequency aggregate reclaiming equipment circulation aggregate reclaiming.
The distribution equipment that the finished product sieves, the proportion adjustment circulatory system includes the second screening plant and is attached thereto, institute
Stating distribution equipment includes multiple trippers to connect one to one with the second screening plant each discharge port, and the tripper is electricity
Surge tripper or be arranged in the second screening plant discharging shuttle slot on threeway regulating device, using the second screening plant can will
Fine work sandstone aggregate mixture is sieved, is classified, and by distribution equipment according to different demands amount shunt regulating discharge ratio,
It is high to control precision；
Or the finished product screening, the proportion adjustment circulatory system include that the second screening plant and the finished sand being attached thereto are thin
Spend modulus regulation device；Also, the detection of fineness modulus is equipped in the discharge outlet of the finished product grain fineness number modulus regulation device
Control device, the finished product grain fineness number modulus regulation device are used to manufacture the finished sand of different fineness modulus, are a plurality of setting
Measuring belt scale realize the finished product sandstone mixing of different gradation, obtain by the conveying speed of adjust automatically measuring belt scale
The finished sand of different fineness modulus, structure is simple, and manufacturing cost is low, and flexibility is high, the fineness modulus control accuracy of finished sand
Height, improves the quality of product, and fineness modulus stability is good；The detection control apparatus of the fineness modulus is able to achieve real-time online and takes
Sample screening detection, and by PLC control system controlling product grain fineness number modulus regulation device, realize automatic detection and control,
Flexibility is high, and control accuracy is high, ensures product quality stability, improves the quality and production efficiency of product, so that fineness mould
Number stability is good.
Multistage, which is equipped with, below the finished product screening, the fine work sand outlet of the proportion adjustment circulatory system selects powder equipment, it is described more
It includes No. four trippers and second level powder concentrator that grade, which selects powder equipment, and the feed inlet of No. four trippers and the fine work sand of No. three vibrating screens go out
One discharge port of mouth connection, No. four trippers is connected by second level powder concentrator and corresponding low mountain flour fine work sand material storehouse, another
A discharge port is connected to high mountain flour fine work sand material storehouse, selects powder by multistage, and high quality fine work sand can be obtained, and meets high-intensitive coagulation
Soil Machine-made Sand quality requirement.
The utility model is had using multistage desliming, double impacting sand makings, the multistage manufacturing line and its processing method for selecting powder
The sand efficiency processed and chiltern amount processed improved is imitated, is had the following beneficial effects:
(1) double deslimings: coarse crushing fines is desilted using batcher and is desilted, after desliming twice, it can be ensured that final products are clear
Clean property；
(2) double counterattacks: coarse crushing counterattack+in broken impact crushing technique, efficient, advanced broken equipment, guarantee finished aggregate
The advance of forming technique reduces the damage to aggregate internal structure；Full impact grinding principle can generate more high-quality sand
Stone aggregate；Also, pass through desliming screen+bis- impact devices, it can be achieved that the multiple desliming of material and broken, processing capacity is strong, to raw material
Requirement it is low, it can be ensured that subsequent material cleaning, grain shape are good, and low energy consumption, and manufacturing cost is low.
(3) double impacts: using double speed double frequency aggregate reclaiming equipment joint sand manufacturing, and the material use of different-grain diameter is not synchronized
Two sand making machines of degree and frequency carry out sand processed, give full play to the broken reduction ratio performance of vertical shaft, realize the best of sand production line processed
Reduction ratio substantially increases system production capacity, practical, specifically:
1. constant speed vertical shaft is broken+high-speed high frequency vertical shaft breaks joint sand manufacturing, gradation rationally, fineness mode 2.6 soil 0.2 it
Between, the broken aggregate elongated particles height in traditional technology for making sand is solved perfectly, finished sand " being small at both ends and big in the middle " asks
Topic；
2. can be effectively controlled the generation of mountain flour, rejected material content is reduced, it is less additionally, due to powder is actively produced, it can suitably reduce
Powder governor pressure provides power-assisted for low cost production quality sand and stone aggregate.
(4) Two-way Cycle: being controlled using double loop, can basis to ensure the quality and each product specification ratio of final products
Each middle product specification yield is adjusted in market demands, strict control product oversize problems at different levels.It is specially that material is pre-
Processing cycle production line and sand circulating production line processed realize that automated production, flexibility are high, it is possible to increase reduction ratio improves sand processed
Efficiency, and the power consumption of the entire production line is reduced, it is energy-efficient.
(5) double to select powder: pre-selection powder is carried out specifically by level-one powder concentrator, second level is carried out by second level powder concentrator and selects powder,
It is particularly suitable for that there is high-hydrophilic, strongly adherent raw material containing mud, aqueous higher or mountain flour, pre-selection powder can prevent sieve from blocking,
Improve screening efficiency；And fine work sand selects powder using multistage, can be that 13%-15% is reduced to 6%- by existing fine work sandstone powder content
8%, it selects powder mode of manufacture that can ensure the mountain flour control to Machine-made Sand using double, in addition the quality of Machine-made Sand can be adjusted, be obtained
Fine work sand is effectively increased to different content of stone powder fine work sand to meet the requirement of various concrete strength low costs
Quality, and then improve the stability and safety of concrete.
Detailed description of the invention
Fig. 1 is the workflow schematic diagram of the utility model embodiment one.
Fig. 2 is the workflow schematic diagram of the utility model embodiment two.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe:
As depicted in figs. 1 and 2, a kind of high-quality sandstone aggregate five is enjoyed a double blessing dry milling production line,
Including material pretreatment system and fine work coarse-fine aggregate system of processing.
The material pretreatment system is for the desliming of raw material primary, broken and shaping；Fine work coarse-fine aggregate processing system
System for manufacturing fine work sandstone aggregate comprising double speed double frequency aggregate reclaiming equipment 7, finished product screening, the proportion adjustment circulatory system,
Level-one powder concentrator 9, multistage select powder equipment；It further include the operating belt feeder for connecting each equipment material mouth；
The dirt pits that removes of above equipment passes through cleaning shaft and the connection of dust collecting system 15；
Its co-operating PLC control system is connect above equipment with control.
The material pretreatment system includes grizzly feeder 2, impact crushing equipment 3, the first screening plant 5 and desliming screen
4, the impact crushing equipment 3 can break counterattack broken 302 two for rough and torn counterattack broken 301 in and be arranged, it can be achieved that two-stage process
Broken, first screening plant 5 can be No.1 multilayer reciprocating sieve 501 and No. two multilayer reciprocating sieve 502 two settings, rod
The feed inlet of batcher 2 is connect with raw material cabin 1, and coarse fodder outlet is struck back broken 301 feed inlets with coarse crushing and connect, coarse crushing counterattack broken 301
Discharge port is connect with No.1 multilayer reciprocating sieve 501, the super grain of No.1 multilayer reciprocating sieve 501 and No. two 502 sides of multilayer reciprocating sieve
Diameter material outlet by operate endless belt be connected in broken strike back broken 302 feed inlets；Small particle material outlet passes through operating skin
Band is connect with transfer feed bin 6, and 6 discharge port of transfer feed bin is connect with fine work coarse-fine aggregate system of processing；No.1 multilayer reciprocating sieve 501
The pug outlet of bottom is connect with waste bin 20；The fine material outlet of 2 bottom of grizzly feeder is connect with desliming screen 4, described
4 side large granular materials discharge port of desliming screen by operate belt be connected in it is broken strike back broken 302 feed inlets, and outlet at bottom
Pug is transported into waste bin 20；
The fine work coarse-fine aggregate system of processing includes double speed double frequency aggregate reclaiming equipment 7, the broken system of the double speed double frequency
Sand equipment 7 can be constant speed vertical shaft broken 701 and high frequency vertical shaft broken 702, and the feed inlet and transfer feed bin 6 of constant speed vertical shaft broken 701 connect
It connects, the discharge port of double speed double frequency aggregate reclaiming equipment 7 is connect with level-one powder concentrator 9, the discharge port and finished product screen of level-one powder concentrator 9
Point, the proportion adjustment circulatory system, the level-one powder concentrator 9 be used for mixture made of double speed double frequency aggregate reclaiming equipment 7 into
Row pre-selection powder, prevention enters finished product screening, the mixture of the proportion adjustment circulatory system blocks sieve；The finished product screening, ratio
Adjust the circulatory system be used for by super partial size material, fine work rubble, fine work rice stone and fine work sand sieve separate, and adjust finished sand and go out
Material ratio realizes that finished product grain fineness number modulus is adjusted；Finished product screening, the proportion adjustment circulatory system super partial size material discharge port
It is connected by circulation constant speed vertical shaft and breaks 701 feed inlets, fine work rubble and fine work rice stone discharge port are connected to corresponding feed bin, while essence
Product rubble is connected by circulation constant speed vertical shaft and breaks 701 feed inlets, and fine work rice stone is connected by circulation high frequency vertical shaft and breaks 702 feed inlets, and
It is equipped with multistage below fine work sand discharge port and selects powder equipment, using the multistage essence for selecting powder equipment that can manufacture a variety of different content of stone powder
Product sand.
It is equipped with material buffering chamber 12 above the feed inlet of double speed double frequency aggregate reclaiming equipment 7, material is put for slow, guarantees
Sand stability processed.
The finished product grain fineness number modulus regulation device is distribution equipment 11, and the distribution equipment 11 includes multiple and the second sieve
The tripper that each discharge port of subset connects one to one, the tripper are electro-hydraulic dynamic tripper or setting in the second screening
The threeway regulating device that equipment discharges on shuttle slot；
See that Fig. 1, second screening plant can be the elliptically vibrating screen 10 of multilayer setting；The distribution equipment 11 includes
Multiple electro-hydraulic dynamic trippers to connect one to one with each discharge port of elliptically vibrating screen 10；The elliptically vibrating screen 10 be 4 layers with
Upper setting is followed successively by the fine work metalling that partial size is material bed greater than the super partial size of 30mm, partial size is 15-30mm, grain from top to bottom
Diameter is the fine work rice rock layers of 5-15mm, and partial size is the fine sand layer of 5-3mm, and 10 side of elliptically vibrating screen is equipped with corresponding super partial size object
Material, fine work rubble, fine work rice stone and fine sand outlet, bottom are equipped with partial size and export less than 3mm fine work sand；The electro-hydraulic dynamic tripper
Including No.1 tripper 1101, two for exporting and being correspondingly connected with 10 fine work rubble of elliptically vibrating screen, fine work rice stone and fine sand
Separator 1102 and No. three trippers 1103, a discharge port of the No.1 tripper 1101 and corresponding fine work rubble feed bin
16 connections, another discharge port are connected to constant speed vertical shaft by material buffering chamber 12 and break 701 feed inlets；No. two separators
1102 discharge port is connected with corresponding fine work rice building stones storehouse 17, another discharge port and No. three trippers 1103 are all connected with
702 feed inlets are broken to high frequency vertical shaft；The fine work sand outlet lower section of the elliptically vibrating screen 10 is equipped with multistage and selects powder equipment, specifically
The fine work sand outlet lower section on ground, the elliptically vibrating screen 10 is equipped with No. four trippers 13, a discharge port of No. four trippers 13
It is connected by second level powder concentrator 14 with corresponding low mountain flour fine work sand material storehouse 19, another discharge port is connected to high mountain flour fine work sand material
Storehouse 18；
See that Fig. 2, second screening plant can also be equipped with three to adjust sieve 21 on each discharging shuttle slot for adjusting sieve 21
Logical regulating device, the discharge port and sub-material belt 22 of the threeway regulating device, the adjustings sieve 21 are multilayer setting, from up to
Under be followed successively by side equipped with super partial size is material bed, fine work metalling, the fine work sand that fine work rice rock layers, fine sand layer and bottom are equipped with goes out
Mouthful, its adjustable discharging ratio of the threeway regulating device is equipped with one-to-one below each discharge port for adjusting sieve 21
Super partial size material is transported into constant speed vertical shaft broken 701 by sub-material belt 22, fine work rubble or is transported into constant speed vertical shaft broken 701, or is transported into
Corresponding fine work rubble feed bin 16；Fine work rice stone is transported into high frequency vertical shaft broken 702, or is transported into corresponding fine work rice building stones storehouse 17；
Fine work sand is transported into No. four trippers 13, and a discharge port of No. four trippers 13 passes through second level powder concentrator 14 and corresponding low mountain flour essence
Product sand material storehouse 19 connects, another discharge port is connected to high mountain flour fine work sand material storehouse 18.
Alternatively, finished product screening, the proportion adjustment circulatory system include the second screening plant and the finished sand that is attached thereto
Fineness modulus regulation device；Also, it is detected in the discharge outlet of the finished product grain fineness number modulus regulation device equipped with fineness modulus
Control device.
Second screening plant is by fine work sandstone aggregate mixture sieve classification excess of export partial size material, fine work rubble, essence
Product meter Shi, fine sand and fine work sand, and measured respectively by measuring belt scale, it presets set weight ratio on computers,
According to presetting ratio, system adjust automatically debugs the conveying speed of measuring belt scale, it is ensured that different size material is in difference
It is constant that it is able to maintain relative scale under yield, obtains the finished sand of different fineness modulus.Specifically, the finished product grain fineness number modulus
(application number: being 201810147376.3) a plurality of meter to connect one to one with the second screening plant each discharge port to regulation device
Weighing belt is measured, super partial size material is transported into constant speed vertical shaft broken 701 by corresponding measuring belt scale, and it is broken that fine work rubble is transported into constant speed vertical shaft
701, fine work rice stone is transported into high frequency vertical shaft broken 702 or fine work rubble, fine work rice stone, fine work sand pass through corresponding measuring belt
Scale is mixed, and different fineness modulus finished sand is made and is transported into corresponding feed bin；Or fine work sand is transported into No. four trippers 13,
One discharge port of No. four trippers 13 is connected by second level powder concentrator 14 with corresponding low mountain flour fine work sand material storehouse 19, another goes out
Material mouth is connected to high mountain flour fine work sand material storehouse 18.
Fineness modulus detection control apparatus (the application number: 201810867604.4) for detecting and real-time monitoring fineness
The finished product grain fineness number modulus of the discharge outlet of modulus regulation device will test data deposit PLC control system and be controlled by PLC
System processed regulates and controls fineness modulus regulation device, guarantees the stability of fineness modulus regulation device, and flexibility is high, supervises in real time
It surveys and the fineness modulus of controlling product sand, control accuracy height guarantees the stability of finished product grain fineness number modulus, and then improve product
Quality stability.
The finished product screening, the proportion adjustment circulatory system include the second screening plant and the distribution equipment being attached thereto 11；
No. four trippers 13 are electro-hydraulic dynamic tripper, realize the accurate adjusting of material diversion ratio.
High-quality sandstone aggregate five based on above-mentioned production line is enjoyed a double blessing dry milling production method, is specifically included:
S1, material pretreatment make material carry out multiple desliming, are crushed, specifically by desliming device and impact crushing equipment 3
Mine supplied materials is transported to grizzly feeder 2 by ground, its is made to carry out level-one desliming, and small particle material is from 2 bottom discharge of grizzly feeder
Mouth carries out second level desliming through desliming screen 4, and super partial size material enters the thick of impact crushing equipment from 2 side discharge port of grizzly feeder
Broken counterattack broken 301 and No.1 multilayer reciprocating sieve 501 carry out second level desliming, while No.1 multilayer reciprocating sieve 501 is by super partial size material
Broken broken 302 circulation of counterattack is broken in being sent into after screening, and transfer feed bin 6 is sent into after small particle material screening；
The material pretreatment is designed using closed cycle, and specifically, the material after second level desliming is by the first screening
Equipment 5 is sieved, and small particle material is stored in transfer feed bin 6, and the broken circulation of impact crushing 302 is broken in big partial size return；
Pretreated material in transfer feed bin 6 is sent into double speed double frequency aggregate reclaiming equipment 7, fine work is made by s2, sand processed
Sand, fine work rubble and fine work rice stone mixture；
Specifically, the pretreated material in the transfer feed bin 6 is sent into constant speed vertical shaft broken 701 and is crushed, and fine work is made
Sand, fine work rubble and fine work rice stone mixture, also, the fine work sand, fine work rubble and fine work rice stone mixture pass through level-one
Powder concentrator carries out mixture pre-selection powder；
S3, mixture screening is carried out using finished product screening, the proportion adjustment circulatory system, and carries out finished sand discharging ratio tune
Section makes super partial size material be again introduced into high-speed high frequency vertical shaft broken 702 and is crushed；Small particle material is sieved into fine work respectively
Sand, fine work rubble and fine work rice stone；
Specifically, mixture is sieved by the second screening plant, obtains fine work sand, fine work rubble and fine work rice stone,
And sub-material is carried out by distribution equipment 11 in proportion, super partial size material is transported into constant speed vertical shaft broken 701, and it is broken that fine work rubble is transported into fine work
Building stones storehouse 16；Fine work rice stone is transported into fine work rice building stones storehouse 17 or extra fine work rubble and fine work rice stone is again introduced into double speed pair
The circulation of frequency aggregate reclaiming equipment 7 is broken；
Alternatively, passing through finished product grain fineness number modulus regulation device after mixture carries out sieve classification by the second screening plant
The finished sand of different fineness modulus is made, extra finished product sandstone aggregate is again introduced into the circulation of double speed double frequency aggregate reclaiming equipment 7
It is broken；The finished product grain fineness number modulus regulation device guarantees finished product by fineness modulus detection control apparatus real-time monitoring, control
The stability of grain fineness number modulus；
After s4, fine work sand second level select powder, the fine work sand to select powder equipment to handle into multistage excessively, a variety of different mountain flours are made and contain
The fine work sand of amount；
Specifically, the fine work sand carries out sub-material by No. four trippers 13 in proportion, needs to manufacture low content of stone powder essence
When product sand, fine work sand is successively sent into the progress of second level powder concentrator 14 second level from No. four trippers 13 discharge port and selects powder, is made
Low content of stone powder fine work sand, on the contrary fine work sand is directly stored in high content stone powder fine work from another discharge port of No. four trippers 13
Sand feed bin 18.
Claims (5)
- The dry milling production line 1. a kind of high-quality sandstone aggregate five is enjoyed a double blessing, including raw material cabin (1), it is characterised in that: in raw material Material pretreatment system is equipped with below the discharge port in storehouse (1), the discharge gate and fine work coarse-fine aggregate of material pretreatment system are processed System connection, the fine work coarse-fine aggregate system of processing include double speed double frequency aggregate reclaiming equipment (7), and discharge port and level-one are selected The connection of powder machine (9) feed inlet, the discharge port of level-one powder concentrator (9) is sieved with finished product, the proportion adjustment circulatory system is connect, it is described at Product screening, the proportion adjustment circulatory system are used for the sieve classification of finished product sandstone aggregate mixture, and adjust finished sand discharging ratio； The finished product sieves, the super partial size material discharge port of the proportion adjustment circulatory system is connected by circulation double speed double frequency aggregate reclaiming equipment (7) feed inlet, finished product sandstone aggregate discharge port are connected to corresponding feed bin, or are connected by circulation double speed double frequency aggregate reclaiming equipment (7) feed inlet, fine work sand discharge port lower section are equipped with multistage and select powder equipment, and multistage selects powder equipment to contain for manufacturing a variety of different mountain flours The fine work sand of amount；The dirt pits that removes of above equipment passes through cleaning shaft and dust collecting system (15) connection；Its co-operating PLC control system is connect above equipment with control.
- The dry milling production line 2. high-quality sandstone aggregate five according to claim 1 is enjoyed a double blessing, it is characterised in that: the object Material pretreatment system includes grizzly feeder (2), impact crushing equipment (3), the first screening plant (5) and desliming screen (4), described Impact crushing equipment (3) include coarse crushing strike back broken (301) and in it is broken strike back broken (302), first screening plant (5) is multilayer The vibrating screen of setting, the outlet of grizzly feeder (2) coarse fodder are struck back broken (301) feed inlet with coarse crushing and are connect, and broken (301) are struck back in coarse crushing Discharge port is connect with the first screening plant (5), the super partial size material outlet of the first screening plant (5) be connected by circulation in broken counterattack it is broken (302) feed inlet；Small particle material outlet is connect by transfer feed bin (6) with fine work coarse-fine aggregate system of processing；Rod feed By desliming screen (4), the broken counterattack broken (302) in is connect machine (2) fine material outlet.
- The dry milling production line 3. high-quality sandstone aggregate five according to claim 1 is enjoyed a double blessing, it is characterised in that: it is described at Product screening, the proportion adjustment circulatory system include the second screening plant and the distribution equipment being attached thereto (11), the distribution equipment It (11) include multiple trippers to connect one to one with the second screening plant each discharge port, the tripper is electro-hydraulic dynamic point Glassware or the threeway regulating device being arranged on the second screening plant discharging shuttle slot.
- The dry milling production line 4. high-quality sandstone aggregate five according to claim 1 is enjoyed a double blessing, it is characterised in that: it is described at Product screening, the proportion adjustment circulatory system include the second screening plant and the finished product grain fineness number modulus regulation device being attached thereto；And And the detection control apparatus of fineness modulus is equipped in the discharge outlet of the finished product grain fineness number modulus regulation device.
- The dry milling production line 5. high-quality sandstone aggregate five according to claim 1 is enjoyed a double blessing, it is characterised in that: described more It includes No. four trippers (13) and second level powder concentrator (14) that grade, which selects powder equipment, and the feed inlet and second of No. four trippers (13) sieves The fine work sand of equipment exports connection, and a discharge port of No. four trippers (13) passes through second level powder concentrator (14) and corresponding low stone Powder fine work sand feed bin (19) connection, another discharge port are connected to high mountain flour fine work sand feed bin (18).
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| CN111302686A (en) * | 2020-03-15 | 2020-06-19 | 中国水利水电第九工程局有限公司 | Processing technology and system for producing concrete aggregate by using complex material source |
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