CN102717438B - Sand drying and storing system and operation method thereof, and dry-mixed mortar mixing station - Google Patents
Sand drying and storing system and operation method thereof, and dry-mixed mortar mixing station Download PDFInfo
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- CN102717438B CN102717438B CN201210199095.5A CN201210199095A CN102717438B CN 102717438 B CN102717438 B CN 102717438B CN 201210199095 A CN201210199095 A CN 201210199095A CN 102717438 B CN102717438 B CN 102717438B
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- 239000004576 sand Substances 0.000 title claims abstract description 282
- 238000001035 drying Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000003823 mortar mixing Methods 0.000 title claims abstract description 11
- 238000012216 screening Methods 0.000 claims abstract description 146
- 238000003860 storage Methods 0.000 claims abstract description 53
- 238000011282 treatment Methods 0.000 claims abstract description 31
- 238000009826 distribution Methods 0.000 claims description 14
- 238000005303 weighing Methods 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 6
- ZLZCXJDPEAVLTK-FDKSPCGJSA-N (6aR,9R,10aR)-N-[(1S,2S,4R,7S)-7-benzyl-2-hydroxy-5,8-dioxo-4-propan-2-yl-3-oxa-6,9-diazatricyclo[7.3.0.02,6]dodecan-4-yl]-7-methyl-6,6a,8,9,10,10a-hexahydro-4H-indolo[4,3-fg]quinoline-9-carboxamide 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-[[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxymethyl]oxan-2-yl]oxychromen-4-one 7-hydroxy-6-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-2-one methanesulfonic acid Chemical compound CS(O)(=O)=O.OC[C@H]1O[C@@H](Oc2cc3ccc(=O)oc3cc2O)[C@H](O)[C@@H](O)[C@@H]1O.C[C@@H]1O[C@@H](OC[C@H]2O[C@@H](Oc3c(oc4cc(O)cc(O)c4c3=O)-c3ccc(O)c(O)c3)[C@H](O)[C@@H](O)[C@@H]2O)[C@H](O)[C@H](O)[C@H]1O.CC(C)[C@@]1(NC(=O)[C@@H]2C[C@H]3[C@@H](Cc4c[nH]c5cccc3c45)N(C)C2)O[C@@]2(O)[C@@H]3CCCN3C(=O)[C@H](Cc3ccccc3)N2C1=O ZLZCXJDPEAVLTK-FDKSPCGJSA-N 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000002245 particle Substances 0.000 description 55
- 230000008569 process Effects 0.000 description 13
- 238000004880 explosion Methods 0.000 description 12
- 239000004570 mortar (masonry) Substances 0.000 description 12
- 238000012545 processing Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 206010013786 Dry skin Diseases 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
- B28C7/0023—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust by heating or cooling
- B28C7/003—Heating, e.g. using steam
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- Storage Of Harvested Produce (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides a sand drying and storing system, an operation method thereof and a dry-mixed mortar mixing station. This sand stoving storage system includes: a drying device (10); the first screening device (20) is arranged at the discharge end of the drying device (10); the first lifting device (30) is arranged at the discharge end of the first screening device (20); the second screening device (40) is arranged at the discharge end of the first lifting device (30); storage silo (50), set up the discharge end at second screening plant (40), still include: and the secondary sand making system (60) is connected to the discharge end of the first screening device (20) and can perform secondary treatment on the dry sand output by the first screening device (20). According to the sand drying and storing system, the sand silo can be effectively prevented from being exploded, the production cost is reduced, the production efficiency is improved, and resources are more reasonably utilized.
Description
Technical field
The present invention relates to dry-mixed mortar Preparation and storage mechanical field, in particular to a kind of sand, dry stocking system and method for operating thereof, dry mortar mixing plant.
Background technology
At present, dry-mixed mortar raw material sand is dried stocking system and is adopted device as shown in Figure 1, dry-mixed mortar raw material damp sand is delivered to three backhaul Dryings 10 ' by the damp sand bucket elevator, become dry sand after three backhaul Dryings 10 ', dry sand falls through linear vibrating screen 20 ' sand sieve that is greater than 5mm, the sand that is less than 5mm is carried to the probability screen 40 ' at 50’ top, sand barrel storehouse through dry sand bucket elevator 30 ', and be sieved into 0-2.5mm particle diameter and two kinds of sand of 2.5mm-5mm particle diameter by probability screen 40 ', the sand of two kinds of different-grain diameters is stored in respectively in two silos 50 ', sand in silo 50 ' is by conveying pipeline 70 ', aggregate bin 80 ' and discharger 90 ' enter in car, or by being metered into scale hooper, then be delivered in next step operation of dry mortar mixing plant.
In this system, the sand barrel storehouse that stores the 2.5mm-5mm particle diameter is easy to wharf explosion.Reason is as follows: in general raw material sand, 0-2.5mm the sand of particle diameter accounts for 60% left and right, 2.5mm-5mm the sand of particle diameter accounts for 40% left and right, according to the dry-mixed mortar demand, common dry-mixed mortar demand is large, account for whole dry-mixed mortar 80% left and right, so dry mortar mixing plant is mainly produced common dry-mixed mortar, in common dry-mixed mortar, masonry mortar is arranged, motar, the ground mortar, wherein build by laying bricks or stones with the ground following sand of mortar 5mm particle diameter and can use, but motar can only be used the following sand of 2.5mm particle diameter, and the motar consumption is maximum, if only produce motar within certain period, can cause storing the sand silo wharf explosion of 2.5mm-5mm particle diameter.2.5mm-5mm after the sand barrel storehouse wharf explosion of particle diameter, need be discharged in the storing object of bedding plant or sealing, while needing, sand is transported again, centre needs to consume logistics turnover expense and the energy, and take more place, in this process, dust is difficult to be controlled, and easily causes environmental pollution, has a strong impact on client's normal production work.
Summary of the invention
The present invention aims to provide a kind of sand and dries stocking system and method for operating thereof, dry mortar mixing plant, can effectively prevent sand barrel storehouse wharf explosion, reduces production costs, and enhances productivity.
To achieve these goals, according to an aspect of the present invention, provide a kind of sand to dry stocking system, having comprised: drying unit, dry and enter damp sand wherein, and the output dry sand; The first screening plant, be arranged on the discharge end of drying unit, receives the dry sand of drying unit output, and dry sand is sieved; The first lifting device, be arranged on the discharge end of the first screening plant, receives and promote the dry sand that the first screening plant sieves out; The second screening plant, be arranged on the discharge end of the first lifting device, receives the dry sand that the first lifting device is carried; Storage bin, be arranged on the discharge end of the second screening plant, the dry sand that the second screening plant is sieved out carries out classified storage, also comprises: secondary sand system processed, be connected to the discharge end of the first screening plant, can carry out after-treatment to the dry sand of the first screening plant output.
Further, the discharge end of secondary sand system processed is connected to the first screening plant, and the dry sand after after-treatment is transported to the first screening plant.
Further, the first screening plant comprises the first screening layered and the second screening layered; Sand is dried stocking system and is also comprised: the first conveying pipeline, and first end is connected to the bottom dry sand discharge end after the second screening layered screening, and the second end is connected to the first lifting device; Secondary sand system processed comprises: the second conveying pipeline, comprise the distribution control valve, and the first valve port of distribution control valve is communicated to the second screening layered discharge end of the first screening plant, and the second valve port is communicated to the first lifting device, and the 3rd valve port is communicated to sand machine processed; Sand machine processed; The second lifting device, be connected to the discharge end of sand machine processed; And return duct, first end is connected to the discharge end of the second lifting device, and the second end is connected to the first screening plant.
Further, return duct is connected to the arrival end of the first screening plant.
Further, between sand machine processed and the second lifting device, by the 3rd conveying pipeline, be connected.
Further, secondary sand system processed also comprises: level-sensing device is arranged on storage bin; Control device, be connected to level-sensing device, and output control signals to the distribution control valve.
Further, distributing control valve is T-piece splitting valve.
Further, sand machine processed is the adjustable sand machine processed of sand grains.
Further, the number of plies of the first screening plant is greater than the number of plies of the second screening plant.
According to a further aspect in the invention, provide a kind of sand to dry the method for operating of stocking system, sand is dried stocking system and is comprised drying unit, the first screening plant, the first lifting device, the second screening plant, storage bin and secondary sand system processed, and this method of operating comprises: by the first screening plant, dry sand is sieved; The dry sand that needs to carry out after-treatment after screening is delivered to secondary sand system processed and carries out after-treatment; Dry sand after after-treatment is delivered in the storage bin of corresponding kind and stores.
Further, secondary sand system processed comprises: the second conveying pipeline, sand machine processed, the second lifting device and return duct, the second conveying pipeline comprises the distribution control valve, and the dry sand that needs to carry out after-treatment after screening is delivered to secondary sand system processed and carries out after-treatment and comprise: the first screening plant will need the dry sand of after-treatment to be delivered to the second conveying pipeline; Control the distribution control valve of the second conveying pipeline, make to need the dry sand of after-treatment to be delivered to sand machine processed; By sand machine processed, the dry sand entered is wherein carried out to after-treatment; Dry sand after after-treatment is delivered to the second lifting device; Dry sand in the second lifting device is back to the first screening plant by return duct.
According to a further aspect in the invention, a kind of dry mortar mixing plant is provided, comprise sand oven dry stocking system, weighing hopper, transport tape and powder storehouse, it is that above-mentioned any sand is dried stocking system that this sand is dried stocking system, the storage bin outlet that this sand is dried stocking system is connected to weighing hopper, the weighing hopper outlet is connected to transport tape, and the transport tape outlet is connected to the powder storehouse.
Apply technical scheme of the present invention, sand is dried stocking system and is comprised drying unit, the first screening plant, the first lifting device, the second screening plant, storage bin and secondary sand system processed, secondary sand system processed is arranged between the first screening plant and the first lifting device, and the dry sand that the first screening plant is exported carries out after-treatment.By adding secondary sand system processed, can be after utilizing less sand grains kind to arrive predetermined position in storehouse in storage bin, it is entered in secondary sand system processed and process again, make its sand grains that generates the scarce kind of institute, thereby prevent in storing up the sand process, owing to utilizing less sand grains, carry too much, and produce the wharf explosion phenomenon, and reduced production cost, saved the subsequent treatment operation, improve operating efficiency, taken full advantage of resource.
The first screening plant comprises the first screening layered and the second screening layered, secondary sand system processed comprises the first conveying pipeline, the second conveying pipeline, sand machine processed, the second lifting device and return duct, the second conveying pipeline comprises the distribution control valve, distribute the first valve port of control valve to be communicated to the second screening layered discharge end, the second valve port is communicated to the first lifting device, and the 3rd valve port is communicated to sand machine processed.After sand grains in storage bin is stored into predetermined position in storehouse, after this kind of sand grains is sized in the first screening plant, by distributing control valve, regulated, it is entered in sand machine processed, and sand processed is processed again, obtains required sand grains kind, then be back to the first screening plant by the second lifting device and return duct and sieve processing, so circulation, effectively prevent from arriving the sand grains wharf explosion of being scheduled to position in storehouse, also makes sand grains obtain more reasonably utilizing.
The accompanying drawing explanation
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention the present invention does not form inappropriate limitation of the present invention for explaining.In the accompanying drawings:
Fig. 1 shows the structural representation that sand of the prior art is dried stocking system;
Fig. 2 shows the structural representation of sand oven dry stocking system according to an embodiment of the invention; And
Fig. 3 shows the right TV structure schematic diagram according to Fig. 2.
The specific embodiment
Hereinafter with reference to accompanying drawing, also describe the present invention in detail in conjunction with the embodiments.It should be noted that, in the situation that do not conflict, embodiment and the feature in embodiment in the application can combine mutually.
As shown in Figures 2 and 3, according to embodiments of the invention, sand is dried stocking system and is comprised drying unit 10, the first screening plant 20, the first lifting device 30, secondary sand system 60 processed, the second screening plant 40 and storage bin 50.The discharge end of drying unit 10 is connected to the first screening plant 20, the discharge end of the first screening plant 20 is connected to respectively secondary sand system 60 processed and the first lifting device 30, the discharge end that the discharge end of the first lifting device 30 is connected to the second screening plant 40, the second screening plants 40 is connected to respectively different storage bin 50 according to the kind of sieving sand grains out.
The first screening plant 20 is linear vibrating screen, comprises the first screening layered and the second screening layered, and the first screening layered and the second screening layered have different apertures, can the dry sand that enter the different-grain diameter on the first screening plant 20 be sieved.The first screening layered is arranged on the discharge end of drying unit 10, receives the dry sand that drying unit 10 is exported, and the sand sieve that is greater than the 5mm particle diameter is fallen, and the sand grains of 0 ~ 5mm particle diameter is sized to the second screening layered.The second screening layered is divided into the sand grains of 0 ~ 2.5mm particle diameter and the sand grains of 2.5 ~ 5mm particle diameter by the sand grains of 0 ~ 5mm particle diameter, and the sand grains of 2.5 ~ 5mm particle diameter is retained in to the second screening layered, the sand grains of 0 ~ 2.5mm particle diameter is sieved out, and be saved to the bottom of the first screening plant 20.The sieve aperture of two screening layereds of the first screening plant 20 can be adjusted according to the actual requirements, to obtain required particle size classification.
Between the first screening plant 20 and the first lifting device 30, by the first conveying pipeline 61, connect, the first end of the first conveying pipeline 61 is connected to the bottom dry sand discharge end after the second screening layered screening, and the second end is connected to the first lifting device 30.After the second screening layered sieves and is stored to the bottom of the first screening plant 20 by the sand grains of 0 ~ 2.5mm particle diameter, the sand grains of 0 ~ 2.5mm particle diameter is delivered to the first lifting device 30 by the first conveying pipeline 61, then be promoted to the top of storage bin 50 by the first lifting device 30, after again sieving by the second screening plant 40 be connected with the first lifting device 30, the sand grains of the 0 ~ 2.5mm particle diameter after screening is stored in the storage bin 50 of 0 ~ 2.5mm particle diameter sand grains.
The second conveying pipeline 62 controls according to the storing situation of storage bin 50 valve port that distributes control valve 63, when storage bin 50 does not arrive predetermined position in storehouse, make the sand grains of 2.5 ~ 5mm particle diameter flow into the first lifting device 30 by the second conveying pipeline 62, and be dispensed to the interior storage of corresponding storage bin 50 by the second screening plant 40.When storage bin 50 arrives predetermined position in storehouse, regulate and distribute control valve 63, the sand grains of 2.5 ~ 5mm particle diameter is flowed in sand machine 64 processed by the second conveying pipeline 62.
The sand grains of 0 ~ 2.5mm particle diameter that the second lifting device 65 will sand machine 64 processed generates by return duct 66 again is delivered on the first screening plant 20 and sieves processing, then the sand grains of 0 ~ 2.5mm particle diameter is delivered to the first lifting device 30, be delivered to the second screening plant 40 by the first lifting device 30 and sieved, then send into corresponding storage bin 50 and stored.
The first end of return duct 66 is connected to the discharge end of the second lifting device 65, and the second end is connected to the first screening plant 20, and the sand grains after sand machine 64 processed is made is again flow back on the first screening plant 20.Preferably, the second end of return duct 66 is connected to the feed end end of the first screening plant 20, so that the sand grains after making again can sieve fully.
The second screening plant 40 is arranged at storage bin 50 tops, with the first lifting device 30, is connected, and receives the dry sand that the first lifting device 30 promotes, and then sand grains is classified.The second screening plant 40 has a plurality of carrier pipes, is connected to respectively the storage bin 50 of different sand grains kinds, and sand grains is carried out to classified storage.Preferably, the number of plies of the first screening plant 20 is greater than the number of plies of the second screening plant 40, the screen cloth specification of the second screening plant 40 and the screen cloth specification of the first screening plant 20 are complementary, process so that sand grains is carried out more in detail accurately to system again, fundamentally avoid the appearance of wharf explosion phenomenon.
In the middle of other embodiment, dry sand through secondary sand system 60 after-treatments processed, also can be delivered to by the second lifting device 65 and return duct 66 other screening plant, and the dry sand after to after-treatment sieves processing by this screening plant, then the required dry sand obtained after after-treatment is delivered to the first lifting device 30, the luggage of going forward side by side storage is deposited, the defective material that still needs again to process is delivered to sand machine 64 processed again, and again carries out after-treatment together with being delivered to the pending dry sand in sand machine 64 processed the first screening plant 20.
According to embodiments of the invention, dry mortar mixing plant comprises sand oven dry stocking system, weighing hopper, transport tape and powder storehouse, it is that above-mentioned any sand is dried stocking system that this sand is dried stocking system, the outlet that this sand is dried the storage bin 50 of stocking system is connected to weighing hopper, the weighing hopper outlet is connected to transport tape, and the transport tape outlet is connected to the powder storehouse.
The concrete operation method of drying stocking system according to sand of the present invention is as follows:
The damp sand bucket elevator is delivered to damp sand in drying unit 10 and is dried, and the dry sand after oven dry exports the first screening plant 20 to and sieves processing in drying unit 10.The first screening layered of the first screening plant 20 screens out the sand grains more than 5mm sand footpath, then the sand grains of 0 ~ 5mm particle diameter is delivered to the second screening layered and again sieves.The second screening layered is sieved into the sand grains of 0 ~ 2.5mm particle diameter and the sand grains of 2.5 ~ 5mm particle diameter by the sand grains of 0 ~ 5mm particle diameter, and retains the sand grains of 2.5 ~ 5mm particle diameter at the second screening layered, the sand grains of 0 ~ 2.5mm particle diameter is sized to the bottom of the first screening plant 20.
The first conveying pipeline 61 that the sand grains of 0 ~ 2.5mm particle diameter is connected by the dry sand discharge end with the first screening plant 20 bottoms is delivered in the first lifting device 30, 2.5 the sand grains of ~ 5mm particle diameter is delivered in the first lifting device 30 by the second conveying pipeline 62, and mixed with the sand grains of 0 ~ 2.5mm particle diameter, together by the first lifting device 30, be promoted to storage bin 50 tops, the sand grains of mixed 0 ~ 5mm particle diameter is delivered to the second screening plant 40 to be sieved again, sand grains is sieved respectively to the sand grains that becomes 0 ~ 2.5mm particle diameter and the sand grains of 2.5 ~ 5mm particle diameter, and be delivered to respectively in storage bin 50 separately and stored by different conveying pipelines.
In process of production, once level-sensing device 68 is found the material level of the storage bin 50 of 2.5 ~ 5mm particle diameter sand grains, surpass predetermined material level, just send an electrical signal to control device.After control device receives the signal that level-sensing device 68 sends, control the distribution control valve 63 of the second conveying pipeline 62, the second conveying pipeline 62 is closed with the valve port that the first lifting device 30 is communicated with, the second conveying pipeline 62 is opened with the valve port that sand machine 64 processed is communicated with, the sand grains of the 2.5 ~ 5mm particle diameter sieved out from the first screening plant 20 afterwards, be delivered to sand machine 64 processed by the second conveying pipeline 62, and no longer be delivered to the first lifting device 30, therefore, 2.5 no longer input dry sand in the storage bin 50 of ~ 5mm particle diameter sand grains, the wharf explosion phenomenon can not occur in storage bin 50.
After 2.5 the sand grains of ~ 5mm particle diameter is delivered to sand machine 64 processed, sand machine 64 processed is started working, by entering sand grains wherein and make again the sand grains of 0 ~ 2.5mm particle diameter, then by the 3rd conveying pipeline 67, be delivered in the second lifting device 65, and promoted by the second lifting device 65.The return duct 66 of the discharge end of the sand grains of the 0 ~ 2.5mm particle diameter after lifting by being arranged on the second lifting device 65 is back in the first screening plant 20 and is again sieved, the sand grains of the 0 ~ 2.5mm particle diameter after screening is delivered to the first lifting device 30 by the first conveying pipeline 61, and the storage bin 50 that it is delivered to 0 ~ 2.5mm particle diameter sand grains by the second screening plant 40 is stored.So, enter in storage bin 50 is all the sand grains of 0 ~ 2.5mm particle diameter, can meet the use needs of the sand grains of 0 ~ 2.5mm particle diameter, also adjusted the sand grains output of 2.5 ~ 5mm particle diameter, taken full advantage of the sand grains of 2.5 ~ 5mm particle diameter, rationally the utilization of resources has been allocated simultaneously, reduced production cost, simplify follow-up flow process, improved operating efficiency, reduced the adverse effect to environment.
Sand grains at 2.5 ~ 5mm particle diameter uses to a certain degree, after material level in storage bin 50 drops to predetermined altitude, level-sensing device 68 can send an electrical signal to control device, make control device to distributing control valve 63 again to be regulated, guarantee the sand grains ample supply of 2.5 ~ 5mm particle diameter, meet need of production.
From above description, can find out, the above embodiments of the present invention have realized following technique effect: sand is dried stocking system and is comprised drying unit, the first screening plant, the first lifting device, the second screening plant, storage bin and secondary sand system processed, secondary sand system processed is arranged between the first screening plant and the first lifting device, and the dry sand that the first screening plant is exported carries out after-treatment.By adding secondary sand system processed, can be after utilizing less sand grains kind to arrive predetermined position in storehouse in storage bin, it is entered in secondary sand system processed and process again, make its sand grains that generates the scarce kind of institute, thereby prevent in storing up the sand process, owing to utilizing less sand grains, carry too much, and produce the wharf explosion phenomenon, and reduced production cost, saved the subsequent treatment operation, improve operating efficiency, taken full advantage of resource.The first screening plant comprises the first screening layered and the second screening layered, secondary sand system processed comprises the first conveying pipeline, the second conveying pipeline, sand machine processed, the second lifting device and return duct, the second conveying pipeline comprises the distribution control valve, distribute the first valve port of control valve to be communicated to the second screening layered discharge end, the second valve port is communicated to the first lifting device, and the 3rd valve port is communicated to sand machine processed.After sand grains in storage bin is stored into predetermined position in storehouse, after this kind of sand grains is sized in the first screening plant, by distributing control valve, regulated, it is entered in sand machine processed, and sand processed is processed again, obtains required sand grains kind, then be back to the first screening plant by the second lifting device and return duct and sieve processing, so circulation, effectively prevent from arriving the sand grains wharf explosion of being scheduled to position in storehouse, also makes sand grains obtain more reasonably utilizing.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a sand is dried stocking system, comprising:
Drying unit (10), dry and enter damp sand wherein, and the output dry sand;
The first screening plant (20), be arranged on the discharge end of described drying unit (10), receives the dry sand of described drying unit (10) output, and described dry sand is sieved;
The first lifting device (30), be arranged on the discharge end of described the first screening plant (20), receives and promote the dry sand that described the first screening plant (20) sieves out;
The second screening plant (40), be arranged on the discharge end of described the first lifting device (30), receives the dry sand that described the first lifting device (30) is carried;
Storage bin (50), be arranged on the discharge end of described the second screening plant (40), and the dry sand that described the second screening plant (40) is sieved out carries out classified storage,
It is characterized in that, described sand is dried stocking system and is also comprised:
Secondary sand system processed (60), be connected to the discharge end of described the first screening plant (20), can carry out after-treatment to the dry sand of described the first screening plant (20) output;
Wherein, described the first screening plant (20) comprises the first screening layered and the second screening layered;
Described sand is dried stocking system and is also comprised:
The first conveying pipeline (61), first end is connected to the bottom dry sand discharge end after described the second screening layered screening, and the second end is connected to described the first lifting device (30);
Wherein, described secondary sand system processed (60) comprising:
Sand machine processed (64);
The second conveying pipeline (62), comprise and distribute control valve (63), the first valve port of described distribution control valve (63) is communicated to the second screening layered discharge end of the first screening plant (20), the second valve port is communicated to described the first lifting device (30), the 3rd valve port is communicated to described sand machine processed (64), and described the second conveying pipeline (62) is controlled the valve port of described distribution control valve (63) according to the storing situation of described storage bin (50);
The second lifting device (65), be connected to the discharge end of described sand machine processed (64); And
Return duct (66), first end is connected to the discharge end of described the second lifting device (65), and the second end is connected to described the first screening plant (20).
2. sand according to claim 1 is dried stocking system, it is characterized in that, the discharge end of described secondary sand system processed (60) is connected to described the first screening plant (20), and the dry sand after after-treatment is transported to described the first screening plant (20).
3. sand according to claim 1 is dried stocking system, it is characterized in that, described return duct (66) is connected to the arrival end of described the first screening plant (20).
4. sand according to claim 1 is dried stocking system, it is characterized in that, between described sand machine processed (64) and described the second lifting device (65), by the 3rd conveying pipeline (67), is connected.
5. sand according to claim 1 is dried stocking system, it is characterized in that, described secondary sand system processed (60) also comprises:
Level-sensing device (68), be arranged on described storage bin (50);
Control device, be connected to described level-sensing device (68), and output control signals to described distribution control valve (63).
6. sand according to claim 1 is dried stocking system, it is characterized in that, described distribution control valve (63) is T-piece splitting valve.
7. sand according to claim 1 is dried stocking system, it is characterized in that, described sand machine processed (64) is the adjustable sand machine processed of sand grains.
8. sand according to claim 2 is dried stocking system, it is characterized in that, the number of plies of described the first screening plant (20) is greater than the number of plies of described the second screening plant (40).
9. a sand is dried the method for operating of stocking system, it is characterized in that, sand is dried stocking system and is comprised drying unit (10), the first screening plant (20), the first lifting device (30), the second screening plant (40), storage bin (50) and secondary sand system processed (60), and this method of operating comprises:
By the first screening plant (20), dry sand is sieved;
The dry sand that needs to carry out after-treatment after screening is delivered to secondary sand system processed (60) and carries out after-treatment;
Dry sand after after-treatment is delivered to interior storage of storage bin (50) of corresponding kind;
Secondary sand system processed (60) comprising: the second conveying pipeline (62), sand machine processed (64), the second lifting device (65) and return duct (66), the second conveying pipeline (62) comprises and distributes control valve (63), the dry sand that needs to carry out after-treatment after screening is delivered to secondary sand system processed (60) and carries out after-treatment and comprise:
The first screening plant will need the dry sand of after-treatment to be delivered to the second conveying pipeline (62);
The second conveying pipeline (62) is controlled the distribution control valve (63) of the second conveying pipeline (62) according to the storing situation of storage bin (50), make to need the dry sand of after-treatment to be delivered to sand machine processed (64);
By sand machine processed (64), the dry sand entered is wherein carried out to after-treatment;
Dry sand after after-treatment is delivered to the second lifting device (65);
Dry sand in the second lifting device (65) is back to the first screening plant (20) by return duct (66).
10. a dry mortar mixing plant, comprise sand oven dry stocking system, weighing hopper, transport tape and powder storehouse, it is characterized in that, it is that in claim 1 to 8, the described sand of any one is dried stocking system that described sand is dried stocking system, storage bin (50) outlet that described sand is dried stocking system is connected to described weighing hopper, described weighing hopper outlet is connected to described transport tape, and described transport tape outlet is connected to described powder storehouse.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210199095.5A CN102717438B (en) | 2012-06-15 | 2012-06-15 | Sand drying and storing system and operation method thereof, and dry-mixed mortar mixing station |
| PCT/CN2012/085816 WO2013185443A1 (en) | 2012-06-15 | 2012-12-04 | Sand drying and storage system and operation method thereof, dry slurry stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210199095.5A CN102717438B (en) | 2012-06-15 | 2012-06-15 | Sand drying and storing system and operation method thereof, and dry-mixed mortar mixing station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102717438A CN102717438A (en) | 2012-10-10 |
| CN102717438B true CN102717438B (en) | 2014-01-01 |
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| CN201210199095.5A Active CN102717438B (en) | 2012-06-15 | 2012-06-15 | Sand drying and storing system and operation method thereof, and dry-mixed mortar mixing station |
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| Country | Link |
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| CN (1) | CN102717438B (en) |
| WO (1) | WO2013185443A1 (en) |
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| CN102717438B (en) * | 2012-06-15 | 2014-01-01 | 中联重科股份有限公司 | Sand drying and storing system and operation method thereof, and dry-mixed mortar mixing station |
| CN103449201B (en) * | 2013-09-11 | 2015-11-25 | 徐州徐工施维英机械有限公司 | A kind of bulk system and dry mortar mixing plant |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11114442A (en) * | 1997-10-17 | 1999-04-27 | Kurimoto Ltd | Apparatus for producing crushed sand |
| KR20020038252A (en) * | 2000-11-17 | 2002-05-23 | 오종택 | Abstraction device of natural gravel |
| CN2675370Y (en) * | 2003-11-26 | 2005-02-02 | 无锡江加建设机械有限公司 | Multifunctional fully-automatic dry mortar producing device |
| CN1955140A (en) * | 2005-10-25 | 2007-05-02 | 王建伟 | Powder mortar and its processing technology |
| CN201613597U (en) * | 2009-10-21 | 2010-10-27 | 三一重工股份有限公司 | Aggregate supply system of dry-mixed mortar production system and dry-mixed mortar production system |
| CN102390084B (en) * | 2011-11-09 | 2015-05-13 | 中联重科股份有限公司 | Dry-mixed mortar equipment |
| CN102717438B (en) * | 2012-06-15 | 2014-01-01 | 中联重科股份有限公司 | Sand drying and storing system and operation method thereof, and dry-mixed mortar mixing station |
-
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- 2012-06-15 CN CN201210199095.5A patent/CN102717438B/en active Active
- 2012-12-04 WO PCT/CN2012/085816 patent/WO2013185443A1/en active Application Filing
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| CN102717438A (en) | 2012-10-10 |
| WO2013185443A1 (en) | 2013-12-19 |
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