CN109013006A - A kind of double host crushing production lines and method based on frequency conversion control technique - Google Patents
A kind of double host crushing production lines and method based on frequency conversion control technique Download PDFInfo
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- CN109013006A CN109013006A CN201810867603.XA CN201810867603A CN109013006A CN 109013006 A CN109013006 A CN 109013006A CN 201810867603 A CN201810867603 A CN 201810867603A CN 109013006 A CN109013006 A CN 109013006A
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- China
- Prior art keywords
- trimmer
- making machine
- sand
- sand making
- frequency conversion
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
Abstract
The invention discloses a kind of double host crushing production lines and method based on frequency conversion control technique, including trimmer and sand making machine, the trimmer and the discharge port of sand making machine are connect by operating belt with vibration screening mechanism feed inlet, the vibration screening mechanism includes vibrating screen and material diversion device, the trimmer, sand making machine and material diversion device are connect with PLC control system, trimmer and sand making machine variable frequency starting are made by the frequency conversion control technique of PLC control system, regulate and control the revolving speed and frequency of sand making machine, the shunt ratio of material current divider can also be regulated and controled, impact when not only effectively avoiding electric motor starting to power grid, stability is good, safety coefficient is high, and flexibly control the proportion of production of various dischargings, rationally material is shunted, it is high to control precision, it is energy-efficient.
Description
Technical field
The present invention relates to a kind of double host crushing production lines and method based on frequency conversion control technique belong to sand production processed and set
Standby technical field.
Background technique
At present in conventional crushing production line, sand reduction stage processed mostly uses single main finished sand, and specifically, material passes through vertical shaft
Broken crusher machine enters screening system, and qualified products enter finished bin by finished belt machine, and oversize material passes through return conveyer machine
It is transmitted back to vertical-spindle hammer crusher Mechanical Crushing.The advantages of this conventional crushing production line is to save equipment investment, but have a single function, only
Energy single-stage crushing, can not carry out gradation adjustment；When if necessary to gradation adjustment, motor or adjustment skin can only be broken by replacement vertical shaft
Band wheel speed changes crusher reduction ratio and realizes, troublesome in poeration.If broken in addition, single host technique only produces finished sand completely
It is broken than small, low output.If necessary to improve yield, it is necessary to reduce feed size and just be able to achieve, reducing feed size must just increase
Add single stage crushing, equally also will increase equipment investment.
In addition, in crushing production line, sand vertical shaft processed is broken when starting and stopping, and conventional mode is reduced-voltage starting or soft
Starting mode all can generate greater impact, danger coefficient to power grid when starting motor since the power of motor that vertical shaft is broken is larger
Height, and a possibility that can not starting is had when voltage is lower than 380V, influence the stable operation of crushing production line.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of this double host crushing production lines based on frequency conversion control technique
And method, it can be with overcome the deficiencies in the prior art.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
A kind of double host crushing production lines based on frequency conversion control technique, including trimmer and sand making machine, the trimmer into
Material mouth is connect with surge bunker, and the discharge port of the trimmer and sand making machine is connected by operating belt and vibration screening mechanism feed inlet
It connects, the vibration screening mechanism includes vibrating screen and material diversion device, and the sieve of the vibrating screen is multilayer setting, top layer side
Portion is equipped with the oversize material channel for being connected to shaping machine inlet, and lower part is equipped with the finished sand outlet for being connected to finished sand warehouse, in
Between screen layer side be equipped with finished aggregate channel, and be correspondingly provided with below each layer of finished aggregate channel and to be attached thereto
One discharge port of material diversion device, material diversion device is connect with aggregate storage, another discharge port is connected to trimmer, sand processed
On the feed inlet of machine；The trimmer, sand making machine and material diversion device pass through control circuit and connect with PLC control system.
The sieve of aforementioned vibrating screen is three layers of arrangement above, is followed successively by the oversize bed of material, finished product metalling, finished product from top to bottom
Rice rock layers, the aggregate channel of oversize bed of material side is connect with surge bunker；The aggregate channel of finished product metalling, rice finished product rock layers
It is connected respectively with corresponding material diversion device.
Aforementioned finished product metalling is connected to shaping machine inlet by material diversion device, rice finished product rock layers pass through material diversion
Device is connected to sand making machine feed inlet.
Aforementioned trimmer is that the excessive waterfall formula bi-motor vertical shaft of PL9500YP type breaks trimmer；The sand making machine is overflow for GSP65 type
Waterfall formula high-speed high frequency vertical shaft breaks sand making machine.
Afore-mentioned materials current divider is electro-hydraulic dynamic tripper, and the driving mechanism of electric hydraulic push rod is connect with PLC control system.
A kind of double host breaking methods based on frequency conversion control technique, comprising the following steps:
A, start trimmer and sand making machine by the frequency conversion control technique of PLC control system；
B, raw material enters trimmer and carries out broken and shaping, and discharging has finished sand, rice finished product stone, finished product rubble and four kinds of oversize material
The mixtures of materials of specification；
C, the mixtures of materials of four kinds of specifications is transported into vibration screening mechanism, after mixtures of materials enters vibrating screen, oversize material is returned
It returns trimmer and continues broken and shaping；Finished sand is transported into finished sand warehouse；Rice finished product stone, finished product rubble enter material diversion device,
PLC control system controls the shunt ratio of material diversion device, make its be stored in corresponding aggregate storage and/or enter trimmer and
Sand making machine；
D, the revolving speed and frequency of PLC control system control trimmer and sand making machine, while the shunt ratio of material current divider is adjusted,
Control the proportion of production of aggregate and Machine-made Sand.
Aforementioned raw material is aggregate or mixture, and the partial size of aggregate or mixture is less than 60mm.
The revolving speed of sand making machine is improved by PLC control system, at the same regulate and control material current divider keep finished aggregate most of or
Trimmer and sand making machine are fully entered, the output of finished sand is improved.
The revolving speed of sand making machine is reduced by PLC control system, at the same regulate and control material current divider keep finished aggregate most of or
Aggregate storage is fully entered, the output of rice finished product stone and finished product rubble is improved.
Compared with the prior art, the present invention discloses a kind of double host crushing production lines based on frequency conversion control technique and side
Method, uses double host works, including trimmer and sand making machine, and the discharge port of the trimmer and sand making machine passes through operating belt
It is connect with vibration screening mechanism feed inlet, the vibration screening mechanism includes vibrating screen and material diversion device, the trimmer, system
Sand machine and material diversion device are connect with PLC control system, make trimmer and sand processed by the frequency conversion control technique of PLC control system
Machine variable frequency starting, while the revolving speed and frequency of sand making machine can be regulated and controled, and the shunt ratio of material current divider, bone can be regulated and controled
Material or mixture initially enter trimmer and carry out broken and shaping, produce finished sand, rice finished product stone, finished product rubble and oversize material four
The mixtures of materials of kind specification, after mixtures of materials enters vibrating screen, the oversize material of vibrating screen top layer, which returns to trimmer, to be continued brokenly
Broken and shaping；The finished sand of bottom outflow is transported into finished sand warehouse；Rice finished product stone, the finished product rubble of intermediate screen layer enter material
Current divider, PLC control system control the shunt ratio of material diversion device, it is made to be stored in corresponding aggregate storage and/or entrance
Trimmer and sand making machine regulate and control broken double hosts, integer and sand processed by PLC control system, and regulate and control point of material current divider
Stream ratio can flexibly control discharging situation, it is made only to produce finished sand, can also produce finished sand, meter Shi and rubble simultaneously,
And the proportion of production for flexibly controlling various dischargings does not need to carry out machinery adjustment, and time saving and energy saving, control precision is high, and produces
It is high-efficient.
The invention has the following beneficial effects:
(1) host is started and stopped by frequency conversion control technique, it is possible to prevente effectively from being rushed when electric motor starting to power grid
It hits, can also start motor in undertension, strong applicability, stability is good, and safety coefficient is high.
(2) invariable power is carried out by converter technique and adjusts motor speed, the reduction ratio of crushing system can be adjusted flexibly, no
It needing replacing motor pulley or carries out other machinery adjustments, applicability is wide, and structure is simple, and adjustment is easy, and it is time saving and energy saving, significantly
Reduce the labor intensity of staff.
(3) by frequency conversion control technique, twin-engined rotating ratio is reasonably adjusted, realizes automated production, high production efficiency,
Flexibility is high, effectively controls the proportion of production of aggregate and Machine-made Sand, realizes machine fecund, or even do not produce aggregate and only produce sand, and
A tractor serves several purposes can be achieved, i.e., it can be freely to be controlled on aggregate particle shape and aggregate Yield selection by the adjustment to trimmer revolving speed；
Free adjustment can be carried out in the control of Machine-made Sand yield and aggregate yield by the adjustment to sand making machine revolving speed, greatly improved
Production efficiency and final product quality.
(4) the design adjusts revolving speed by frequency conversion, rationally shunts to material in the case where not influencing treating capacity,
Cooperate double hosts efficiently in respective broken range, makes the energy oepration at full load of double broken hosts, reduce the entire production line
Power consumption, it is energy-efficient.
Detailed description of the invention
Fig. 1 is workflow schematic diagram of the invention.
Fig. 2 is the frequency conversion control technique schematic diagram of PLC control system.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description:
As shown in Figure 1, a kind of double host crushing production lines based on frequency conversion control technique, including trimmer 2 and sand making machine 1, institute
The feed inlet for stating trimmer 2 is connect with surge bunker 4, and the top of surge bunker 4 is equipped with feeding device 3, the trimmer 2 and sand making machine
1 discharge port is connect by operating belt 5 with vibration screening mechanism feed inlet, and the vibration screening mechanism includes 6 He of vibrating screen
The sieve of material diversion device, the vibrating screen 6 is multilayer setting, and specially three layers of arrangement above are followed successively by oversize from top to bottom
The bed of material, finished product metalling, rice finished product rock layers, bottom are equipped with the finished sand outlet for being connected to finished sand warehouse 13, the oversize material
The tapping channel of layer side is connect with surge bunker 4, so that oversize material is returned to trimmer 2 and is crushed again；The finished product metalling,
It is correspondingly provided with the material diversion device being attached thereto below the aggregate channel of rice finished product rock layers, makes finished product rubble, rice finished product stone point
Corresponding material diversion device is not flowed into, and a discharge port of the material diversion device is connect with aggregate storage, another discharge port
Be connected to trimmer 2, sand making machine 1 feed inlet on, specifically, the finished product rubble is connected to shaping by material diversion device 8
2 feed inlet of machine, rice finished product stone are connected to 1 feed inlet of sand making machine, finished product rubble, rice finished product through shunting by material diversion device 9
Stone a part is stored in finished product rubble storehouse 11 and rice finished product stone storehouse 12 by finished belt 14 respectively；Another part is transported into trimmer 2
It is crushed again with sand making machine 1, forms it into loop production line；The trimmer 2, sand making machine 1 and material diversion device 8 pass through control
Circuit 701 processed is connect with PLC control system 7, and the PLC control system 7 includes PLC controller and the frequency control being attached thereto
Device can control the variable frequency starting of regulation trimmer and sand making machine, adjust its revolving speed and frequency by PLC control system 7,
And the material diversion device is electro-hydraulic dynamic tripper, and the driving mechanism of electric hydraulic push rod is connect with PLC control system, makes it
The shunt ratio of material current divider can be regulated and controled.
As shown in Fig. 2, the principle of the frequency conversion control technique are as follows: the trimmer 2 is the double electricity of the excessive waterfall formula of PL9500YP type
Machine vertical shaft breaks trimmer, configures main motor 201 and auxiliary-motor 202；The sand making machine 1 is the excessive waterfall formula high-speed high frequency of GSP65 type
Vertical shaft breaks sand making machine, configures single motor 101, is equipped with frequency converter 702, specifically, the main electricity of trimmer 2 in control circuit 701
Machine control circuit includes variable frequency starting circuit 7011 and pressure stabilizing operating circuit 7012, and frequency converter 702 is arranged in variable frequency starting circuit
On 7011, it is set to carry out variable frequency starting, while variable frequency starting circuit 7011 is equipped with time relay T1 and relay switch KM1,
Pressure stabilizing operating circuit 7012, which is equipped with, cooperates interlocking relay switch KM2 and time relay T2 with relay switch KM1, when passing through
Between relay T1 and interlocking relay switch KM1, KM2 may be implemented variable frequency starting circuit 7011 and pressure stabilizing works 7012 circuits
Power on/off switching, variable frequency starting circuit 7011 is powered, after so that the varying frequency starting of main motor 201 is reached maximum speed, time relay
Device T1 on-delay disconnects, while being switched to main motor pressure stabilizing operating circuit 7012 and being powered on；The time relay T2 with
Relay switch KM3 connection on auxiliary-motor operating circuit 7013 is set, and time relay T2 obtains electric delay and is attracted, relay switch
KM3 obtains electric closure, and auxiliary-motor 202 is cut directly into power supply rotation；The relay switch KM3 is connect with relay switch KM4, makes relay
Switch KM4 obtains electric closure, and time relay T3, time relay T3 and setting are equipped on auxiliary-motor operating circuit 7013
Relay switch KM5 connection on 101 operating circuit of motor of sand making machine, time relay T5 obtain electric delay and are attracted, after establishing by cable
When closing KM5 and obtain electric closure, the energization of motor operating circuit 7014 of sand making machine, sand making machine variable frequency starting, while reaching maximum speed
Frequency speed regulation can be carried out by frequency converter 702, by weak electric signal, parameter and variable output, change frequency size, make machine
Tool equipment under static state, steadily operates along slope angular speed and reaches power frequency, to meet the operation of equipment electromechanical integration.
A kind of double host breaking methods based on frequency conversion control technique, specifically includes the following steps:
(1) start trimmer 2 and sand making machine 1 by the frequency conversion control technique of PLC control system 7；
(2) raw material enters trimmer 2 and carries out broken and shaping, and discharging has finished sand, rice finished product stone, finished product rubble and oversize material four
The mixtures of materials of kind specification, the raw material is aggregate or mixture, and the partial size of aggregate or mixture should be less than 60mm；
(3) mixtures of materials of four kinds of specifications is transported into vibration screening mechanism, after mixtures of materials enters vibrating screen 6, oversize material
It will be transported into surge bunker, return it to the broken and shaping again of trimmer 2；Finished sand is transported into finished sand warehouse 13；Rice finished product stone, at
Product rubble enters material diversion device, and PLC control system controls the shunt ratio of material diversion device, it is made to be stored in corresponding aggregate
Warehouse and/or entrance trimmer and sand making machine；
(4) revolving speed and frequency of PLC control system control trimmer and sand making machine, while adjusting the split ratio of material current divider
Example controls the proportion of production of aggregate and Machine-made Sand.
Specifically, when mainly producing finished sand, the revolving speed that PLC control system controls sand making machine 1 is improved, while regulating and controlling material
Current divider makes finished aggregate largely or entirely enter trimmer and sand making machine, and the output of finished sand can be improved, and makes
Finished aggregate fully enters trimmer and sand making machine, production line can be made only to produce finished sand.
When main production aggregate, the revolving speed that PLC control system controls sand making machine 1 is reduced, while being regulated and controled material current divider and made
Finished aggregate largely or entirely enters aggregate storage, and the output of rice finished product stone and finished product rubble can be improved.
Claims (9)
1. a kind of double host crushing production lines based on frequency conversion control technique, including trimmer and sand making machine, the trimmer
Feed inlet is connect with surge bunker, it is characterised in that: the trimmer and the discharge port of sand making machine pass through operating belt and vibrating screen
The connection of sub-agencies feed inlet, the vibration screening mechanism includes vibrating screen and material diversion device, and the sieve of the vibrating screen is more
Layer setting, top layer side are equipped with the oversize material channel for being connected to shaping machine inlet, and lower part is equipped with and is connected to finished sand warehouse
Finished sand outlet, intermediate screen layer side is equipped with finished aggregate channel, and right below each layer of finished aggregate channel
It should be equipped with the material diversion device being attached thereto, a discharge port of material diversion device is connect with aggregate storage, another discharge port
Be connected to trimmer, sand making machine feed inlet on；The trimmer, sand making machine and material diversion device pass through control circuit with
PLC control system connection.
2. double host crushing production lines according to claim 1 based on frequency conversion control technique, it is characterised in that: the vibration
The sieve of dynamic sieve is three layers of arrangement above, is followed successively by the oversize bed of material, finished product metalling, rice finished product rock layers from top to bottom, described super
The aggregate channel of diameter bed of material side is connect with surge bunker；Finished product metalling, rice finished product rock layers aggregate channel respectively with it is corresponding
Material diversion device connection.
3. double host crushing production lines according to claim 2 based on frequency conversion control technique, it is characterised in that: it is described at
Product metalling is connected to shaping machine inlet, rice finished product rock layers by material diversion device and is connected to sand making machine by material diversion device
Feed inlet.
4. double host crushing production lines according to claim 1 based on frequency conversion control technique, it is characterised in that: described whole
Shape machine is that the excessive waterfall formula bi-motor vertical shaft of PL9500YP type breaks trimmer；The sand making machine is that the excessive waterfall formula high-speed high frequency of GSP65 type is vertical
Axis breaks sand making machine.
5. double host crushing production lines according to claim 1 based on frequency conversion control technique, it is characterised in that: the object
Material current divider is electro-hydraulic dynamic tripper, and the driving mechanism of electric hydraulic push rod is connect with PLC control system.
6. a kind of double host breaking methods based on frequency conversion control technique, which comprises the following steps:
A, start trimmer and sand making machine by the frequency conversion control technique of PLC control system；
B, raw material enters trimmer and carries out broken and shaping, and discharging has finished sand, rice finished product stone, finished product rubble and four kinds of oversize material
The mixtures of materials of specification；
C, the mixtures of materials of four kinds of specifications is transported into vibration screening mechanism, after mixtures of materials enters vibrating screen, oversize material is returned
It returns trimmer and continues broken and shaping；Finished sand is transported into finished sand warehouse；Rice finished product stone, finished product rubble enter material diversion device,
PLC control system controls the shunt ratio of material diversion device, make its be stored in corresponding aggregate storage and/or enter trimmer and
Sand making machine；
D, the revolving speed and frequency of PLC control system control trimmer and sand making machine, while the shunt ratio of material current divider is adjusted,
Control the proportion of production of aggregate and Machine-made Sand.
7. double host breaking methods according to claim 6 based on frequency conversion control technique, it is characterised in that: the raw material
For aggregate or mixture, and the partial size of aggregate or mixture is less than 60mm.
8. double host breaking methods according to claim 6 based on frequency conversion control technique, it is characterised in that: pass through PLC
Control system improve sand making machine revolving speed, while regulate and control material current divider make finished aggregate largely or entirely enter trimmer and
Sand making machine improves the output of finished sand.
9. double host breaking methods according to claim 6 based on frequency conversion control technique, it is characterised in that: pass through PLC
Control system reduces the revolving speed of sand making machine, while regulating and controlling material current divider makes finished aggregate largely or entirely enter aggregate bin
The output of rice finished product stone and finished product rubble is improved in library.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810867603.XA CN109013006B (en) | 2018-08-02 | 2018-08-02 | Double-host crushing production line and method based on variable frequency control technology |
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| CN201810867603.XA CN109013006B (en) | 2018-08-02 | 2018-08-02 | Double-host crushing production line and method based on variable frequency control technology |
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| CN109013006A true CN109013006A (en) | 2018-12-18 |
| CN109013006B CN109013006B (en) | 2023-06-09 |
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| CN109731661A (en) * | 2019-02-28 | 2019-05-10 | 贵州成智重工科技有限公司 | A kind of high-quality sandstone aggregate five is enjoyed a double blessing dry milling production line and processing method |
| CN109876917A (en) * | 2019-02-28 | 2019-06-14 | 贵州成智重工科技有限公司 | A kind of high-quality sandstone aggregate impacts dry milling production line and processing method entirely |
| CN112500007A (en) * | 2020-12-25 | 2021-03-16 | 日昌升建筑新材料设计研究院有限公司 | Dry production process for flexible machine-made sandstone |
| CN112619854A (en) * | 2020-12-25 | 2021-04-09 | 日昌升建筑新材料设计研究院有限公司 | Dry production process of flexible high-end machine-made sandstone |
| CN115055261A (en) * | 2022-04-22 | 2022-09-16 | 浙江博宇机电有限公司 | Large-scale dry-method sand making system and method |
| CN116060192A (en) * | 2023-03-06 | 2023-05-05 | 中铁工程服务有限公司 | Product proportion control method and device based on sand and stone co-production process |
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Also Published As
| Publication number | Publication date |
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| CN109013006B (en) | 2023-06-09 |
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