CN111298927A - Integrated sand building making system - Google Patents

Integrated sand building making system Download PDF

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Publication number
CN111298927A
CN111298927A CN202010214792.8A CN202010214792A CN111298927A CN 111298927 A CN111298927 A CN 111298927A CN 202010214792 A CN202010214792 A CN 202010214792A CN 111298927 A CN111298927 A CN 111298927A
Authority
CN
China
Prior art keywords
machine
screening
layer
integrated
adhesive tape
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010214792.8A
Other languages
Chinese (zh)
Inventor
何小龙
刘涛
孙怀涛
肖枫
王庆江
李红雨
叶小卫
廖正彪
李青
石鹏雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Cement Industry Design and Research Institute Co Ltd
Original Assignee
Tianjin Cement Industry Design and Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Cement Industry Design and Research Institute Co Ltd filed Critical Tianjin Cement Industry Design and Research Institute Co Ltd
Priority to CN202010214792.8A priority Critical patent/CN111298927A/en
Publication of CN111298927A publication Critical patent/CN111298927A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00Other disintegrating devices or methods
    • B02C19/0012Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80Mixing plants; Combinations of mixers
    • B01F33/83Mixing plants specially adapted for mixing in combination with disintegrating operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80Mixing plants; Combinations of mixers
    • B01F33/836Mixing plants; Combinations of mixers combining mixing with other treatments
    • B01F33/8361Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating
    • B01F33/83612Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating by crushing or breaking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/02Feeding devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/10Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14Separating or sorting of material, associated with crushing or disintegrating with more than one separator
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04CAPPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02Granular materials, e.g. microballoons
    • C04B14/04Silica-rich materials; Silicates
    • C04B14/06Quartz; Sand

Abstract

The invention discloses an integrated sand making building system, which comprises a crushing unit and a screening unit, wherein the screening unit is arranged on the discharge side of the crushing unit; the crushing unit comprises a crushing frame, a feeding belt conveyor and a double-rotor sand making machine, wherein the feeding belt conveyor and the double-rotor sand making machine are arranged on the crushing frame from top to bottom; the screening unit comprises a screening frame, a lifter, an integrated powder concentrator, a screening unit dust collector, a stone dust bin, a compound screening machine, a material returning adhesive tape machine, a humidifying stirrer and a sand outlet adhesive tape machine; the elevator is arranged adjacent to the discharge side of the crushing unit; the integrated powder concentrator, the compound screening machine, the humidifying stirrer and the sand-discharging adhesive tape machine are sequentially arranged on the screening frame from top to bottom; the screening unit dust collector and the integrated powder concentrator are arranged side by side from left to right, and the screening unit dust collector and the stone powder bin are arranged on the screening frame from top to bottom; the material returning adhesive tape machine is arranged between the compound sieving machine and the double-rotor sand making machine. The invention has compact structure and arrangement, small occupied area and improved system yield.

Description

Integrated sand building making system
Technical Field
The invention belongs to the technical field of sand making, and particularly relates to an integrated sand making building system.
Background
Sandstone is one of important raw materials of the national infrastructure, and with the exhaustion of domestic natural sand, river sand and other resources and the increase of government on mining control, the replacement of natural sand by machine-made sand has become a necessary trend in industry development. The development acceleration of the machine-made sandstone industry becomes the main development direction of transformation and upgrading of the industry structure, and the sandstone industry is carrying out operation and development of the topics of industrial structure adjustment, merger recombination, transformation and upgrading, energy conservation and emission reduction and the like around the research, development, production and application of machine-made sandstone. The mechanical sand is rock particles with nominal particle size less than 5mm, which are prepared by carrying out soil removal mining, mechanical crushing and screening on the rock. The machine-made sand production line is divided into a wet-method sand making production line and a dry-method sand making production line according to the process. For the dry sand production line, the basic flow takes the following raw materials of 40mm as an example: conveying the aggregate of 0-40mm to a vertical impact crusher for crushing through a suspension feeder and a rubber belt conveyor, screening the crushed material through a two-layer vibrating screen, returning the material of more than 5mm to the impact crusher for re-crushing, and forming closed cycle; part of the materials with the thickness of 3-5mm can be discharged out of the finished product according to the discharge requirement, and part of the materials returns to the impact crusher to be crushed again; feeding the material with a size smaller than 3mm into a coarse powder and fine powder separator to separate stone powder with a size of 0-0.75 mm. The materials of 0.75-3mm and 3-5mm form a finished product stock pile, and a pulse bag type dust collector can be optionally matched according to the environmental protection requirement.
The advantages of the dry sand making process include:
(1) the fineness modulus and the grading area are convenient to adjust: the sand making machine and the sand powder separator are provided with a variable-frequency speed regulation control system, so that the production mode can be adjusted according to the characteristics of raw materials, and the fineness modulus and the grading area of the machine-made sand can be quickly and conveniently adjusted;
(2) the content of the stone powder is adjusted quickly: adjusting the stone powder content to be within the use requirement range by a sand-stone powder separator;
(3) the environmental protection performance is good: the special dust collecting system is arranged, so that the dust is less, and the noise is less during operation.
But the existing dry-method sand production line not only occupies a large area, but also is greatly influenced by weather, and cannot produce in rainy days. Meanwhile, the existing vertical shaft impact type sand making machine in China requires that the particle size of raw materials is less than or equal to 50mm due to the limitation of the structural form, and a crushing process is needed before part of raw materials enter the sand making machine, so that a sand making building system is complex, large in size and low in yield.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an integrated sand making building system which is slightly influenced by raw materials, has high yield, small floor area and weather and can produce sand even in rainy days. The integrated sand making building system can adapt to raw materials with the particle size range smaller than 100mm, the constraint on the particle size range of the raw materials is reduced, the system yield is improved, and the single system yield can reach 300 t/h; compared with the existing products, the utility model has the advantages of high yield, compact structure and small occupied area.
The invention is realized in such a way that an integrated sand making building system comprises a crushing unit and a screening unit, wherein the screening unit is arranged on the discharge side of the crushing unit;
the crushing unit comprises a crushing frame, a feeding belt conveyor and a double-rotor sand making machine, wherein the feeding belt conveyor and the double-rotor sand making machine are arranged on the crushing frame from top to bottom;
the screening unit comprises a screening frame, a lifter, an integrated powder concentrator, a screening unit dust collector, a stone dust bin, a compound screening machine, a material returning adhesive tape machine, a humidifying stirrer and a sand outlet adhesive tape machine; the hoister is arranged close to the discharge side of the crushing unit and used for conveying materials crushed by the double-rotor sand making machine to the integrated powder concentrator; the integrated powder concentrator, the compound screening machine, the humidifying stirrer and the sand-discharging adhesive tape machine are sequentially arranged on the screening frame from top to bottom; the screening unit dust collectors and the integrated powder concentrator are arranged side by side from left to right, and the screening unit dust collectors and the stone powder bin are also arranged on the screening frame from top to bottom; the material returning adhesive tape machine is arranged between the compound screening machine and the double-rotor sand making machine and used for conveying coarse materials which do not meet requirements after being screened by the compound screening machine to the double-rotor sand making machine for circular crushing.
In the above technical solution, preferably, the crushing frame is enclosed by steel structural columns; the crushing frame is arranged in three layers along the height direction, the third layer is a feeding belt conveyor arrangement layer, the second layer is a double-rotor sand making machine supporting layer, and the first layer is a crushed material conveying layer; the feeding adhesive tape machine arrangement layer is also provided with a crushing unit dust collector, and the discharge end of the material returning adhesive tape machine is arranged on the feeding adhesive tape machine arrangement layer.
In the above technical scheme, it is further preferred that the outside of birotor system sand machine is equipped with the dust cover, birotor system sand machine is linked together through dust exhaust pipe and broken unit dust collector.
In the above technical scheme, preferably, a rain cover is arranged above the feeding tape machine.
In the above technical scheme, preferably, an adjusting bin is further arranged between the compound sieving machine and the humidifying stirrer, and the adjusting bin enables the product modulus to be adjustable. And the outlet of the adjusting bin is used for respectively conveying the materials to the humidifying stirrer and the material returning adhesive tape machine according to market demands.
In the above technical solution, it is further preferable that the screening frame is enclosed by steel structural columns; the screening frame is arranged in five layers along the height direction, the fifth layer is an integrated powder concentrator supporting layer, the fourth layer is a compound screening machine supporting layer, the third layer is an adjusting bin supporting layer and a compound screening machine distributing layer, the second layer is a humidifying stirring machine supporting layer, and the first layer is a sand-discharging adhesive tape machine distributing layer; the screening machine is characterized in that a supporting platform is arranged on a screening frame between a supporting layer of the integrated powder concentrator and a supporting layer of the compound screening machine, a dust collector of the screening unit is arranged on the supporting platform, a supporting cross beam is arranged on the screening frame between the supporting layer of the adjusting bin and a stand column of a material distribution layer of the compound screening machine, and a feeding end of the material returning adhesive tape machine is arranged on the supporting cross beam.
In the above technical scheme, preferably, an induced air system is arranged between the integrated powder concentrator and the dust collector of the screening unit.
In the above technical scheme, preferably, a stone powder bulk loader is arranged at the bottom of the stone powder bin, and a truck passage is arranged below the stone powder bin.
In the above technical scheme, preferably, dust covers are arranged outside the integrated powder concentrator and the compound sieving machine and are respectively communicated with the dust collectors of the sieving units through dust discharge pipes.
In the above technical solution, preferably, the crushing frame and the screening frame both adopt an assembled steel structure and are sealed.
The invention has the following advantages and beneficial effects:
by adopting the technical scheme of the invention, the traditional sand making system flow is simplified, the original multi-section crushing is reduced into one-time crushing, the structure arrangement is compact, the occupied area is small, the pipeline engineering quantity among systems is reduced, the total arrangement planning of the sand making system is facilitated, the operation efficiency of system equipment is improved, the influence of weather is small, and the sand making system can be produced even in rainy days; meanwhile, the requirement on the particle size of the raw material is relaxed by adopting the double-rotor sand making machine, the particle size is expanded from within 50mm to within 100mm, the problem that the existing sand making machine cannot be large-sized is solved, and the system yield is improved.
Drawings
FIG. 1 is a perspective view of the integrated sandbuilding system of the present invention;
FIG. 2 is a schematic layout of the integrated sandbuilding system of the present invention;
FIG. 3 is a side view of the layout of the integrated sandbuilding system of the present invention;
fig. 4 is a schematic flow diagram of the integrated sand building system of the present invention.
In the figure: 1. a feeding tape machine; 2. a double-rotor sand making machine; 3. a hoist; 4. an integrated powder concentrator; 5. a compound sieving machine; 6. a regulating bin; 7. a material returning adhesive tape machine; 8. a screening unit dust collector; 9. a stone powder bin; 10. an induced draft system; 101. a cyclone; 102. an induced draft fan; 11. a sand belt machine; 12. a humidifying stirrer; 13. a crushing frame; 131. a feeding tape machine arrangement layer; 132. a double-rotor sand making machine supporting layer; 133. a crushed material conveying layer; 14. a screening frame; 141. an integrated powder concentrator supporting layer; 142. a compound screening machine supporting layer; 143. the adjusting bin supporting layer and the compound screening machine material distribution layer are arranged; 144. a humidifying stirrer supporting layer; 145. arranging layers of a sand-discharging adhesive tape machine; 146. a support platform; 147. a support beam; 15. a crushing unit dust collector; 16. a mountain flour bulk machine; 17. a truck aisle; 18. a constant feeder; 19. a conveying belt conveyor; 20. provided is a zipper machine.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Referring to fig. 1 to 4, an integrated sand-making building system provided by an embodiment of the present invention includes a crushing unit and a screening unit, wherein the screening unit is disposed on a discharge side of the crushing unit;
the crushing unit comprises a crushing frame 13, a feeding adhesive tape machine 1 and a double-rotor sand making machine 2, wherein the feeding adhesive tape machine 1 and the double-rotor sand making machine 2 are arranged on the crushing frame 13 from top to bottom;
the screening unit comprises a screening frame 14, a lifter 3, an integrated powder concentrator 4, a screening unit dust collector 8, a stone powder bin 9, a compound screening machine 5, a material returning adhesive tape machine 7, a humidifying stirrer 12 and a sand outlet adhesive tape machine 11; the hoister 3 is arranged close to the discharge side of the crushing unit and used for conveying the materials crushed by the double-rotor sand making machine 2 to the integrated powder concentrator 4; the integrated powder concentrator 4, the compound sieving machine 5, the humidifying stirrer 12 and the sand-discharging adhesive tape machine 11 are sequentially arranged on the sieving frame 14 from top to bottom; the screening unit dust collector 8 and the integrated powder concentrator 4 are arranged side by side from left to right, and the screening unit dust collector 8 and the stone powder bin 9 are also arranged on the screening frame 14 from top to bottom; the whole structure is compact, and the occupied area is small. And the material returning adhesive tape machine 7 is arranged between the compound screening machine 5 and the double-rotor sand making machine 2 and is used for conveying coarse materials which do not meet the requirements and are larger than 4.75mm after being screened by the compound screening machine to the double-rotor sand making machine for cyclic crushing. The elevator and the material returning belt conveyor effectively connect the crushing unit and the screening unit in series into a whole.
By adopting the technical scheme of the invention, the traditional sand making system flow is simplified, the original multi-section crushing is reduced into one-time crushing, the structure arrangement is compact, the occupied area is small, the total arrangement planning of the sand making system is facilitated, and the operation efficiency of system equipment is improved; meanwhile, the requirement on the particle size of the raw material is relaxed by adopting the double-rotor sand making machine, the particle size is enlarged to be within 100mm from the existing 50mm, and the system yield is improved.
As a preferred embodiment, the crushing frame 13 is enclosed by steel structural columns; the crushing frame is arranged in three layers along the height direction, the third layer is a feeding belt conveyor arrangement layer 131, the second layer is a double-rotor sand making machine supporting layer 132, and the first layer is a crushed material conveying layer 133; the discharge end of the material returning adhesive tape machine 7 is arranged on the feeding adhesive tape machine arrangement layer 131, the crushing unit dust collector 15 is further arranged on the feeding adhesive tape machine arrangement layer 131, and the crushing unit dust collector 15 can collect dust generated in the conveying process of the feeding adhesive tape machine 1 and the material returning adhesive tape machine 7.
As a further preferred embodiment, the outer part of the double-rotor sand making machine 2 is provided with a dust cover, and the double-rotor sand making machine 2 is communicated with the dust collector 15 of the crushing unit through a dust exhaust pipe, so that the environmental protection performance is good.
As a preferred embodiment, a rain cover is arranged above the feeding tape machine 1, so that the feeding tape machine is less influenced by weather and can be produced even in rainy days.
As a preferred embodiment, an adjusting bin 6 is further arranged between the compound screening machine 5 and the humidifying agitator 12, an inlet of the adjusting bin 6 is communicated with a 3-4.75mm material outlet of the compound screening machine 5, a 0.75-3mm material outlet of the compound screening machine is communicated with the humidifying agitator 12 through a conveying adhesive tape machine 19, two outlets of the adjusting bin 6 respectively send the materials to the humidifying agitator 12 and the material returning adhesive tape machine 7, and the adjusting bin is arranged to allocate the materials according to requirements, so that the 3-4.75mm materials can be partially discharged to be finished products according to the discharging requirements, and partially return to the double-rotor sand making machine for re-crushing.
As a further preferred embodiment, the screening frame 14 is enclosed by steel structural columns; the screening frame is arranged in five layers along the height direction, the fifth layer is an integrated powder concentrator supporting layer 141 for separating materials from stone powder, the fourth layer is a compound screening machine supporting layer 142 for checking and screening the materials, the third layer is an adjusting bin supporting layer and a compound screening machine distributing and arranging layer 143 for classifying and conveying the materials, the second layer is a humidifying stirrer supporting layer 144 for humidifying and stirring finished product machine-made sand, and the first layer is a sand outlet adhesive tape machine arranging layer 145 for conveying the finished product; a supporting platform 146 is arranged on the screening frame between the integrated powder concentrator supporting layer 141 and the compound screening machine supporting layer 142, the screening unit dust collector 8 is arranged on the supporting platform 146, a supporting cross beam 147 is arranged on the screening frame between the adjusting bin supporting layer and the compound screening machine distributing layer 143, the feeding end of the material returning adhesive tape machine 7 is arranged on the supporting cross beam 147, in addition, a quantitative feeder 18 is further arranged on the supporting cross beam 147, the feeding end of the material returning adhesive tape machine 7 and the quantitative feeder 18 respectively correspond to two outlets of the adjusting bin 6, and a conveying adhesive tape machine 19 is further arranged below the discharging end side of the quantitative feeder 18 and conveys materials to the humidifying agitator 12.
As a preferred embodiment, the bottom of the stone powder bin 9 is provided with a stone powder bulk machine 16 for discharging powder materials, and a truck channel 17 is arranged below the stone powder bin 9. Compressed air can also be introduced into the bottom side wall of the stone powder bin, and the compressed air is used for regularly dredging, so that the phenomenon that normal blanking is caused due to the accumulation of the discharge opening of the stone powder bin is avoided, and the normal operation of equipment is improved.
As a preferred embodiment, an induced draft system 10 is arranged between the integrated powder concentrator 4 and the screening unit dust collector 8, so that the field dust collecting effect is improved, ultra-clean emission is realized, and environmental protection is facilitated. Specifically, the induced air system 10 includes two cyclones 101 and an induced draft fan 102, the two cyclones 101 are arranged on the integrated powder concentrator supporting layer 141, and the induced draft fan 102 is arranged on the supporting platform 146, so that the pipeline engineering quantity between the connections is reduced. The air outlet of the integrated powder concentrator is communicated with the inlets of the two cyclones, the air outlets of the two cyclones are communicated with the induced draft fan, the discharge outlets of the two cyclones are communicated with the stone powder bin through a zipper machine 20, the cyclones separate fine powder from gas, the fine powder enters the stone powder bin through the zipper machine arranged on the supporting platform, and the gas enters the induced draft fan; the air outlet of the draught fan is also communicated with the air inlet of the integrated powder concentrator, a part of gas passing through the draught fan returns to enter the integrated powder concentrator, the integrated powder concentrator supplies air, energy consumption is saved, a part of gas enters the dust collector of the screening unit, and the gas is discharged into the atmosphere after being dedusted by the dust collector of the screening unit.
As a preferred embodiment, dust covers are arranged outside the integrated powder concentrator 4 and the compound sieving machine 5 and are respectively communicated with the dust collectors of the sieving units through dust discharge pipes, so that the environment-friendly performance is good.
As a preferred embodiment, the crushing frame 13 and the screening frame 14 both adopt assembled steel structures, are sealed and have strong stability.
During operation, materials enter the double-rotor sand making machine 2 through the feeding adhesive tape machine 1, the materials are polished by the double-rotor sand making machine 2 and then enter the integrated powder concentrator 4 through the elevator 3 to be separated, the integrated powder concentrator is used for screening, fine powder smaller than 0.75mm moves upwards under the action of gas drive, is collected by the cyclone cylinder 101 and the screening unit dust collector 8 and then enters the stone powder bin 9, the materials larger than 0.75mm enter the compound screening machine 5, and after being screened by the compound screening machine 5, the coarse materials larger than 4.75mm are sent back to the double-rotor sand making machine 2 through the return adhesive tape machine 7 to be crushed again. The fine materials of 0.75-3mm meeting the requirement directly enter a humidifying stirrer 12, the finer materials of 3-4.75mm flow out through the lower end of a regulating bin 6, part of the fine materials enter the humidifying stirrer 12 through a constant feeder 18 and a conveying adhesive tape machine 19 to be finished, and part of the fine materials return to the double-rotor sand making machine 2 through a material returning adhesive tape machine 7 to be crushed again; the finished sand humidified by the humidifying stirrer 12 is conveyed to a designated position through a sand-discharging belt conveyor 11. The integrated sand making building system is connected with the intelligent control system, large-scale automatic production can be realized, the safety is good, and the working efficiency is high.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or some or all of the technical features may be equivalently replaced, and the modifications or the replacements may not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The integrated sand building making system is characterized by comprising a crushing unit and a screening unit, wherein the screening unit is arranged on the discharge side of the crushing unit;
the crushing unit comprises a crushing frame, a feeding belt conveyor and a double-rotor sand making machine, wherein the feeding belt conveyor and the double-rotor sand making machine are arranged on the crushing frame from top to bottom;
the screening unit comprises a screening frame, a lifter, an integrated powder concentrator, a screening unit dust collector, a stone dust bin, a compound screening machine, a material returning adhesive tape machine, a humidifying stirrer and a sand outlet adhesive tape machine; the hoister is arranged close to the discharge side of the crushing unit and used for conveying materials crushed by the double-rotor sand making machine to the integrated powder concentrator; the integrated powder concentrator, the compound screening machine, the humidifying stirrer and the sand-discharging adhesive tape machine are sequentially arranged on the screening frame from top to bottom; the screening unit dust collectors and the integrated powder concentrator are arranged side by side from left to right, and the screening unit dust collectors and the stone powder bin are also arranged on the screening frame from top to bottom; the material returning adhesive tape machine is arranged between the compound screening machine and the double-rotor sand making machine and used for conveying coarse materials which do not meet requirements after being screened by the compound screening machine to the double-rotor sand making machine for circular crushing.
2. The integrated sandbuilding system of claim 1 wherein said crushing frame is enclosed by steel structural uprights; the crushing frame is arranged in three layers along the height direction, the third layer is a feeding belt conveyor arrangement layer, the second layer is a double-rotor sand making machine supporting layer, and the first layer is a crushed material conveying layer; the feeding adhesive tape machine arrangement layer is also provided with a crushing unit dust collector, and the discharge end of the material returning adhesive tape machine is arranged on the feeding adhesive tape machine arrangement layer.
3. The integrated sand building system according to claim 2, wherein a dust cover is arranged outside the double-rotor sand making machine, and the double-rotor sand making machine is communicated with the dust collector of the crushing unit through a dust exhaust pipe.
4. The integrated sandbuilding system of claim 1 wherein a rain hood is positioned above the feeding belt machine.
5. The integrated sandbuilding system of claim 1 wherein a conditioning bin is disposed between the compound screener and the humidifying blender, and an outlet of the conditioning bin delivers material to the humidifying blender and the return adhesive tape machine, respectively.
6. The integrated sandbuilding system of claim 5 wherein said screening frame is enclosed by steel structural uprights; the screening frame is arranged in five layers along the height direction, the fifth layer is an integrated powder concentrator supporting layer, the fourth layer is a compound screening machine supporting layer, the third layer is an adjusting bin supporting layer and a compound screening machine distributing layer, the second layer is a humidifying stirring machine supporting layer, and the first layer is a sand-discharging adhesive tape machine distributing layer; the screening machine is characterized in that a supporting platform is arranged on a screening frame between a supporting layer of the integrated powder concentrator and a supporting layer of the compound screening machine, a dust collector of the screening unit is arranged on the supporting platform, a supporting cross beam is arranged on the screening frame between the supporting layer of the adjusting bin and a stand column of a material distribution layer of the compound screening machine, and a feeding end of the material returning adhesive tape machine is arranged on the supporting cross beam.
7. The integrated sand building system according to claim 1, wherein an induced draft system is arranged between the integrated powder concentrator and the dust collector of the screening unit.
8. The integrated sand building system according to claim 1, wherein a stone powder bulk loader is arranged at the bottom of the stone powder bin, and a truck passage is arranged below the stone powder bin.
9. The integrated sand building system according to claim 1, wherein dust covers are arranged outside the integrated powder concentrator and the compound screening machine and are respectively communicated with dust collectors of the screening units through dust discharge pipes.
10. The integrated sandbuilding system of claim 1 wherein the crushing frame and the screening frame are each fabricated from fabricated steel construction and are sealed.
CN202010214792.8A 2020-03-24 2020-03-24 Integrated sand building making system Pending CN111298927A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113477206A (en) * 2021-07-16 2021-10-08 凤阳常隆科技材料有限公司 Water glass production batching conveying system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113477206A (en) * 2021-07-16 2021-10-08 凤阳常隆科技材料有限公司 Water glass production batching conveying system

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