CN103934199A - Environment-friendly dry type dust-free manufactured sand production device - Google Patents
Environment-friendly dry type dust-free manufactured sand production device Download PDFInfo
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- CN103934199A CN103934199A CN201310027015.2A CN201310027015A CN103934199A CN 103934199 A CN103934199 A CN 103934199A CN 201310027015 A CN201310027015 A CN 201310027015A CN 103934199 A CN103934199 A CN 103934199A
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Abstract
The invention relates to a sand production device, in particular to an environment-friendly dry type dust-free manufactured sand production device which is high in production efficiency and less in dust emission. The environment-friendly dry type dust-free manufactured sand production device comprises a stone breaking and large-particle stone primary screening assembly and a dust recovery and storage device, wherein the stone breaking and large-particle stone primary screening assembly comprises a feeding hopper, a sand manufacturing machine, a discharging chamber and a vibration screening machine. A feeding rotary valve and an eddy gas path are arranged at the upper portion of an eddy pneumatic separation device, and a finger stone discharging blocking valve and a finger stone discharging port for discharging finger stones are arranged at the lower portion of the eddy pneumatic separation device. A mixture outlet is connected with a pneumatic separation tower through a conveying pipeline; a separated material inlet and a material spreading groove are formed in the upper portion of the pneumatic separation tower; a vibration grid, a small particle discharging port and a small particle discharging blocking valve are arranged below the pneumatic separation tower; a conical particle blocking annular plate and a pneumatic separation chamber for separating coarse sand and fine sand are arranged in the middle of the pneumatic separation tower; a dusty gas exhaust port connected with a dust removal device is formed in the top of the pneumatic separation tower.
Description
Technical field
The present invention relates to a kind of sandstone production equipment, especially relate to the dustless Machine-made Sand production equipment of environment-protection dry type that a kind of production efficiency is high, dust emission is few.
Background technology
Machine-made Sand implements industry standard JGJ52-92 < < regular concrete sand quality standard and the method for inspection > > of building industry at present, and the clay content of this standard is to be less than the special fine grained of 75 μ m.In dry production, by vibrating screener, be to be difficult to according to the requirement of clay content, sieve special fine grained mud powder.Way that some enterprises adopts water to rinse, but rinsed out 150 μ m, 300 μ m, useful stone flour simultaneously, destroyed the grating of sand.Mechanical type vibrating screener is applicable to the classification of larger particles, and treating capacity is larger; Pneumatic classification utilizes bulk density different, and quality is different, and the feature that floating velocity is different is good at lighter weight, the gradation of any shape.Can be by regulating gas speed control particle mean size processed.Give full play to the speciality of two class classifying equipoments, they are organically combined, not only can obtain high-quality artificial sand, to water saving, control washing contaminated environment plays great role.
Current disclosed dry method sand technology processed as publication number is: the patent of CN101829625A " integrated sand making complete equipment ", this patent comprises breaker, sand powder separator and dust arrester, and install crushing chamber, the dirt pocket in negative pressure state and the dust setting chamber in negative pressure state together concentratedly, described crushing chamber, dirt pocket are positioned on dust setting chamber; Sand powder separator comprises that inwall is provided with support roller and the transmission mechanism of the rotating cylinder of lifting blade, supporting rotating cylinder, and drum inclination is installed in level, its high-end insertion dust setting chamber, and the intersection of rotating cylinder and dust settling locular wall is provided with seal; Breaker is arranged in crushing chamber, and crushing chamber sidewall offers charging aperture, and crushing chamber diapire offers discharging opening, and discharging opening place is provided with the chute that the mixture of sand and powder is imported to rotating cylinder; Cloth bag for dedusting is installed in dirt pocket, the closed upper part of cloth bag, lower openings, its opening communicates with dust setting chamber, and dirt pocket outer setting has blower fan, and the inlet scoop of blower fan is communicated with dirt pocket by airduct.
And for example publication number is: the patent of CN201529616U " vibration sandstone screening machine ", this patent is comprised of base, spring fastening, screen frame, eccentric type vibrator and sieve.This equipment is worked under vibration condition, and its eccentric type vibrator is contained in screen frame, and sieve has three layers, is also fixed in screen frame, and this framework is contained on base by spring fastening frame.The porosity of sieve is up big and down small, is respectively 20 * 20,10 * 10,4 * 4 millimeters, can separate ratchel and foreign material, and all the other two-layer sieves can fall into three classes sandstone.That this equipment has is simple in structure, working stability, can continuous operation, adapt to the needs of producing in enormous quantities.
Although above-mentioned technology can reduce a certain amount of dust emission, but the required energy consumption of dedusting is higher, do not reach the object of dustless sand processed yet, and the noise producing is larger, to environment and staff's harm, cannot solve, can not control the special effective sorting of fine grained of 75 μ m and content, can not realize the comprehensive utilization that dust reclaims.
Summary of the invention
The present invention is mainly for the existing above-mentioned technical problem of prior art, provides a kind of production efficiency environment-protection dry type high, that can screen fine powder dustless sand production equipment processed.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: the dustless sand production equipment processed of a kind of environment-protection dry type, comprise by feed hopper, sand machine processed, building stones fragmentation and bulky grain building stones that discharge bin and vibrating screener form just screen assembly, and the dust of dust-precipitator and pneumatic transport equipment composition reclaims storage facility, also comprise eddy current pneumatic separation device and strength separation tower, described eddy current pneumatic separation device top is provided with charging rotary valve and eddy current gas circuit, bottom is provided with for discharging the finger stone discharge gate of finger stone, with finger stone discharge blocking valve, described mixture outlet connects pneumatic separation tower through conveyance conduit, described pneumatic separation tower top is provided with the import of sorting thing and material spreading grooves, below is provided with vibration-type grid and granule discharge gate and granule discharge blocking valve, middle part is provided with that taper particle blocks annular slab and for separating of the pneumatic separation chamber of coarse sand and fine sand, top is provided with dust and reclaims the dusty gas floss hole that storage facility is connected, described pneumatic separation chamber is provided with coarse sand discharge gate and coarse sand discharge blocking valve, fine sand discharge gate and fine sand discharge blocking valve.Sand machine processed is implemented to pulverize to block building stones and the larger material of particle, carry out making thick, fine sand, vibrating screener and eddy current pneumatic separation device are that large and small block building stones are implemented to elementary screening, vibrating screener is provided with multi-deck screen network selection lattice, wherein grid upper strata is provided with large particle diameter material discharge gate, and bottom is provided with small particle diameter material discharge gate.The sand grains of eddy current pneumatic separation device, powder outlet pipeline connect the sorting thing import of pneumatic separation tower, and the import of sorting thing is arranged on pneumatic separation tower top.The sorting thing import below of pneumatic separation tower is provided with tilting granule material vibration-type screening net, at tilting granule material reciprocating sieve network selection low side, is provided with granule discharge gate and granule discharge blocking valve.The taper particle that the pneumatic separation inner wall of tower of described granule discharge gate below is provided with around circumference sealing welding blocks annular slab, and described taper surface particle blocks annular slab below and is provided with the pneumatic separation chamber for separating of coarse sand, fine sand powder.
As preferably, described eddy current pneumatic separation device is arranged between vibrating screener and pneumatic separation tower, and described eddy current pneumatic separation device is provided with eddy current gas circuit and auxiliary sorting gas circuit, in described eddy current gas circuit and auxiliary Pre-sorting gas circuit, is respectively arranged with control valve.Eddy current pneumatic separation device top is provided with charging rotary valve, and bottom is provided with particulate material outlet, and left upper portion is provided with eddy current gas circuit, and middle part, the back side is provided with air-flow, sand grains, powder outlet, and bottom particulate material outlet install pipeline has auxiliary sorting gas circuit.
As preferably, described pneumatic separation chamber is comprised of upper and lower two-layer concentric tubaeform guide wall, and the slot of described upper strata guide wall stretches into wide mouthful of lower floor's guide wall, and described lower floor guide wall slot is provided with rotation gas circuit, and described rotation gas circuit is provided with control valve.
As preferably, described upper strata guide wall wide port is provided with around the wide end circumference of upper strata guide wall and seals vertically downward the particulate blockage annular slab of welding, described particulate blockage annular slab outside forms annular air-flow path with pneumatic separation tower casing circumferential inner wall, dust-laden strength through gas channel upwelling to dusty gas floss hole.Lower floor's guide wall circumference slot in described pneumatic separation chamber connects coarse sand discharge gate, and coarse sand discharge gate is provided with coarse sand discharge blocking valve.The wide mouthful of outside of lower floor's guide wall circumference in pneumatic separation chamber is fine sand decanting zone, and fine sand discharge gate is arranged on pneumatic separation tower bottom, and fine sand discharge gate is provided with fine sand discharge blocking valve.
As preferably, described dust reclaims storage facility and comprises pulse backblowing deduster, described dusty gas floss hole reclaims airduct by dust and connects the dusty gas entrance that pulse backblowing deduster top arranges, and the powder discharge gate outlet of described pulse backblowing deduster bottom is provided with storehouse pump Pneumatic conveyer.Dusty gas enters pulse backblowing deduster by being arranged on the dusty gas floss hole of pneumatic separation top of tower through connecting pipe, dusty gas gas powder is separated, to clean exhaust emissions and go out system, powder is collected and is delivered to hold-up tank by storehouse pump Pneumatic conveyer, carries tail gas by the pulse back blow deduster deashing at hold-up tank top.
As preferably, described powder discharge gate below is provided with the storehouse pump Pneumatic conveyer connecting by Pneumatic butterfly valve, pump Pneumatic conveyer top, described storehouse is provided with and connects the 5th gas control unit magnetic valve, the Compressed Gas pipeline that pressure-reducing valve is controlled, and bottom is provided with storehouse pump Bed.
As preferably, described storehouse pump Bed one side is connected the 6th gas control unit magnetic valve with bottom, the Compressed Gas pipeline that pressure-reducing valve is controlled, and opposite side is provided with powder delivery port.
As preferably, described sand machine processed is cone sand making machine.Circular cone sand making machine is implemented to pulverize to block building stones and the larger material of particle, in cone sand making machine, be provided with and determine the rolled mortar wall of cone and mantle composition, the crusher chamber that crushing wall synthesizes 360 °, in crusher chamber, roll stone fragmentation, carry out making thick, fine sand, make efficiency is high.
The present invention adopts mechanical type vibration screening and the pneumatic separation thinking that combines to solve background technology problem, adopts device structure design dexterously, characteristic separately and the advantage of performance equipment.
The present invention can the integrated totally enclosed production line of supporting dust collection device to the powder separation of particulate material.Being the dry production process that does not take water resource, is free from environmental pollution, the cleaner production mode of powder resource reproducible utilization.
Accompanying drawing explanation
Fig. 1: the structural representation of the dustless Machine-made Sand production equipment of a kind of environment-protection dry type of the present invention.
Fig. 2: the coarse sand of the dustless Machine-made Sand production equipment of a kind of environment-protection dry type of the present invention, fine sand, powder powder movement locus schematic diagram.
In figure: feed hopper 101; Cone sand making machine 102; Surely bore 103; Mantle 104; Discharge bin 105; Vibrating screener 106; Upper strata discharge gate 107; Swirl gas 108; Charging rotary valve 109; Eddy current pneumatic separation device 110; Finger stone discharge gate 111; Finger stone discharge blocking valve 112; Auxiliary sorting gas circuit 113; Mixture outlet 114; Conveyance conduit 115; Pneumatic separation tower 200; Material spreading grooves 201; Sorting thing import 202; Vibration-type grid 203; Granule discharge gate 204; Granule discharge blocking valve 205; Pneumatic separation chamber 206; Taper particle blocks annular slab 207; Annular air-flow path 208 particulate blockage annular slab 209 upper strata guide wall 210 lower floor's guide wall 211; Rotation gas circuit 212; Coarse sand discharge gate 213; Coarse sand discharge blocking valve 214 fine sand discharge gates 215; Fine sand discharge blocking valve 216; Dusty gas floss hole 217; Powder reclaims airduct 218; Pulse back blow deduster 301; Dusty gas entrance 302; Powder discharge gate 304; Filter bag 305; Clean exhaust port 306; Pulse backblowing gas circuit 307; Storehouse pump Pneumatic conveyer 308; Storehouse pump Bed 309; Powder conveying mouth 310; Conveyance conduit 311; Bin 312; Pulse back blow deduster 313 filter bags 314; Clean exhaust port 315; Pulse backblowing gas circuit 316; Powder discharge blocking valve 317;
The first gas control unit magnetic valve 401; Pressure-reducing valve 501;
The second gas control unit magnetic valve 402; Pressure-reducing valve 502;
The 3rd gas control unit magnetic valve 403; Pressure-reducing valve 503;
The 4th gas control unit magnetic valve 404; Pressure-reducing valve 504;
The 5th gas control unit magnetic valve 405; Pressure-reducing valve 505;
The 6th gas control unit magnetic valve 406; Pressure-reducing valve 506;
The 7th gas control unit magnetic valve 407; Pressure-reducing valve 507;
The first pressure transmitter 601; The second pressure transmitter 602; The 3rd pressure transmitter 603;
Pneumatic butterfly valve 701.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings technical scheme of the present invention is described in further detail.
Embodiment 1: referring to accompanying drawing 1 and Fig. 2, the dustless sand production equipment processed of a kind of environment-protection dry type of the present invention, comprise by feed hopper 101, sand machine 102 processed, building stones fragmentation and bulky grain building stones that discharge bin 105 and vibrating screener 106 form just screen assembly, and the dust of dust-precipitator and pneumatic transport equipment composition reclaims storage facility, also comprise eddy current pneumatic separation device 110 and strength separation tower 200, described eddy current pneumatic separation device 110 tops are provided with charging rotary valve 109 and eddy current gas circuit 108, bottom is provided with for discharging the finger stone discharge gate 111 of finger stone, with finger stone discharge blocking valve 112, described mixture outlet 114 connects pneumatic separation tower 200 through conveyance conduit 115, described pneumatic separation tower 200 tops are provided with sorting thing import 202 and material spreading grooves 201, below is provided with vibration-type grid 203 and granule discharge gate 204 and granule discharge blocking valve 205, middle part is provided with that taper particle blocks annular slab 207 and for separating of the pneumatic separation chamber 206 of coarse sand and fine sand, top is provided with dust and reclaims the dusty gas floss hole 217 that storage facility is connected, described pneumatic separation chamber 206 is provided with coarse sand discharge gate 213 and coarse sand discharge blocking valve 214, fine sand discharge gate 215 and fine sand discharge blocking valve 216.Described eddy current pneumatic separation device 110 is arranged between vibrating screener 106 and pneumatic separation tower 200, described eddy current pneumatic separation device 110 is provided with eddy current gas circuit 108 and auxiliary sorting gas circuit 113, in described eddy current gas circuit 108 and auxiliary Pre-sorting gas circuit 113, is respectively arranged with control valve.Described pneumatic separation chamber 206 is comprised of upper and lower two-layer concentric tubaeform guide wall, the slot of described upper strata guide wall 210 stretches into wide mouthful of lower floor's guide wall 211, described lower floor guide wall 211 slot arranged outside have rotation gas circuit 212, and described rotation gas circuit 212 is provided with control valve.Described upper strata guide wall 210 wide ports are provided with around the wide end circumference of upper strata guide wall and seal vertically downward the particulate blockage annular slab 209 of welding, and described particulate blockage annular slab 209 outsides and pneumatic separation tower 200 casing circumferential inner walls form annular air-flow path 208.Described dust reclaims storage facility and comprises pulse backblowing deduster 301, described dusty gas floss hole 217 reclaims airduct 218 by dust and connects the dusty gas entrance 302 that pulse backblowing deduster 301 tops arrange, and powder discharge gate 304 outlets of described pulse backblowing deduster 301 bottoms are provided with storehouse pump Pneumatic conveyer 308.Described powder discharge gate 304 belows are provided with the storehouse pump Pneumatic conveyer 308 connecting by Pneumatic butterfly valve 701, pump Pneumatic conveyer 308 tops, described storehouse are provided with and connect the 5th gas control unit magnetic valve 405, the Compressed Gas pipeline that pressure-reducing valve 505 is controlled, bottom is provided with storehouse pump Bed 309.Described storehouse pump Bed 309 1 sides are connected the 6th gas control unit magnetic valve 406 with bottom, the Compressed Gas pipeline that pressure-reducing valve 506 is controlled, and opposite side is provided with powder delivery port 310.Described sand machine processed is cone sand making machine.
By following technological process, implement cleaner production: block building stones drop into feed hopper 101, fall into stone that cone sand making machine 102 pulverizes chamber and determining under cone 103 and mantle 104 roll, the bottom that the finger stone after fragmentation, coarse sand, fine sand, powder pulverize chamber from cone sand making machine 102 enters discharge bin 105.Then comminuting matter sieves by vibrating screener 106, and larger particles stone is discharged from vibrating screener 106 upper strata discharge gates 107, and other finger stone, particle, powder mixture rotate 109 through rotary valve and enter eddy current pneumatic separation device 110.
The front end that eddy current pneumatic separation device 110 is provided with swirl gas 108 connects compressed gas source by pipeline, is provided with the first gas control unit magnetic valve 401 and the first gas control unit pressure-reducing valve 501 on this pipeline.By regulating the first gas control unit pressure-reducing valve 501 gas pressures can change swirl gas to screening finger stone granularity, under the eddy current gas effect of rotation, finger stone is subject to gravity to be first deposited in finger stone discharge gate 111 pipelines that eddy current pneumatic separation device 110 bottoms arrange, auxiliary sorting gas circuit 113 is set in finger stone discharge gate 111 pipelines, and gas pressure, flow rates controlled are in the second gas control module magnetic valve 402 and the second gas control unit pressure-reducing valve 502 that arrange.Secondary air upwards flows and forces the coarse sand dropping in pipe again to flow to mixture outlet 114, and finger stone is discharged from finger stone discharge blocking valve 112, granule material, coarse sand, fine sand, powder continue, under the effect of air-flow, from mixture outlet 114, through conveyance conduit 115, to enter pneumatic separation tower 200.
Pneumatic separation tower 200 tops are provided with material spreading grooves 201 and divide the import 202 of selecting materials.The material that enters sorting thing import 202 disperses to fall into vibration-type grid 203 at material spreading grooves 201 gravitates, granule material is shelved by tilting vibration-type grid 203, and under 203 throwings of vibration-type grid, from granule discharge gate 204, through particle discharge blocking valve 205, discharge; Coarse sand, fine sand and the powder of carrying under one's arms fall within pneumatic separation chamber 206 through vibration-type grid 203.Taper particle blocks annular slab 207 and prevents that material from falling into fine powder air-flow passage 208.
Pneumatic separation chamber 206 is comprised of upper and lower two layers of concentrically ringed tubaeform guide wall, and the slot of upper strata guide wall 210 stretches into wide mouthful of lower floor's guide wall 211.Lower floor's guide wall 211 slot arranged outside have rotation gas circuit 212, regulate the 3rd gas control unit magnetic valve 403 and the screening capacity of the 3rd gas control unit pressure-reducing valve 503 air pressure capable of regulatings to coarse sand that arrange, coarse sand gravitate falls to the coarse sand discharge gate 213 that lower floor's guide wall 211 slots are connected, and through coarse sand discharge blocking valve 214, discharges;
Guide wall 210 wide ports in upper strata are provided with particulate blockage annular slab 209, a small amount of coarse sand rises and 209 collisions of particulate blockage annular slab with rotation gas circuit 212 air-flows, kinetic energy consumes Hou Yan lower floor guide wall 211 taper surfaces and falls into coarse sand discharge gate 213, fine sand and dust are rotated the airflow function that gas circuit 212 produces, when rising, air-flow passes through pneumatic separation chamber 206 to extension diffusion, because of Action of Gravity Field, in peripheral fine sand decanting zone, pneumatic separation chamber 206, sinking falls into fine sand discharge gate 215 to fine sand, through fine sand discharge blocking valve 216, discharge, dust-contained airflow passes through annular air-flow path 208 and through taper particle, blocks annular slab 207 and turn to rise to flow and flow out from dusty gas floss hole 217.
The particulate blockage annular slab 209 of 210 wide ports of upper strata guide wall, seals welding vertically downward around the wide end circumference of upper strata guide wall 210.Particulate blockage annular slab 209 outsides and pneumatic separation tower 200 casing circumferential inner walls form annular air-flow path 208, dusty gas flows from annular air-flow path 208, particulate blockage annular slab 209 inner sides form implements obstruction face to coarse sand, and coarse sand falls into coarse sand discharge gate 213 after being subject to stop and falling into lower floor's guide wall 211 taper surfaces.
Dusty gas floss hole 217 is arranged at pneumatic separation tower 200 tops, dusty gas reclaims through dusty gas floss hole 217, powder the dusty gas entrance 302 that airduct 218 enters pulse back blow deduster 301, dust settling pulse back blow deduster 301 bottoms, discharge through powder discharge gate 304; Dusty gas, after a plurality of filter bags 305 of dedusting assembly internal layer filter, is discharged from clean exhaust port 306.Filter bag 305 arranges pulse backblowing gas circuit 307, and for clearing up in time filter bag, pulse backblowing gas circuit 307 is provided with the pipeline communication compressed gas source of the 4th gas control unit magnetic valve 404 and the 4th gas control unit pressure-reducing valve 504.
Powder discharge gate 304 belows are provided with storehouse pump Pneumatic conveyer 308, and the Pneumatic butterfly valve 701 being provided with between the two closes or close connection.Pump Pneumatic conveyer 308 tops, storehouse are by being provided with the pipeline communication compressed gas source of the 5th gas control unit magnetic valve 405 and the 5th gas control unit pressure-reducing valve 505, pump Pneumatic conveyer 308 bottoms, storehouse are provided with storehouse pump Bed 309, and storehouse pump Bed 309 1 sides and bottom are by being provided with the pipeline communication compressed gas source of the 6th gas control unit magnetic valve 406 and the 6th gas control unit pressure-reducing valve 506.Storehouse pump Bed 309 opposite sides are provided with powder conveying mouth 310 and connected conveyance conduit 311, and under the kinetic energy effect of Compressed Gas, the powder being transferred enters bin 312 gravitational settlings, and powder is collected by powder discharge blocking valve 317 and discharged and reclaim.Dust-containing tail gas is discharged from clean exhaust port 315 through deduster 313 filter bag 314 deashings.Be used for clearing up filter bag 314 pulse backblowing gas circuit 316 is set, pulse backblowing gas circuit 316 is provided with the pipeline communication compressed gas source of the 7th gas control unit magnetic valve 407 and the 7th gas control unit pressure-reducing valve 507.
In addition, on the body and Pneumatic conveyer 308 of eddy current type pneumatic separation device 110 eddy current gas circuit 108 entrances, particulate material pneumatic separation tower 200, the first pressure transmitter 601, the second pressure transmitter 602 and the 3rd pressure transmitter 603 are housed respectively, for dynamic pressure, monitor.
The present invention adopts circular cone sand making machine, and building stones are made to fritter building stones, coarse sand, fine sand, powder compound with " stone stone roller stone " method; Adopt the block glassware of vibrating screener and the sorting of eddy current type pneumatic separation device; Adopt pneumatic separation tower sorting small particle stones, coarse sand, fine sand, powder, be integrated various device strong point, impels and improve product quality and production efficiency.The present invention had both guaranteed the advance of dry method mechanism sand process for cleanly preparing and the reliability of equipment, had significantly reduced again equipment investment expense.
Should be understood that this embodiment is only not used in and limits the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (8)
1. the dustless sand production equipment processed of environment-protection dry type, comprise by feed hopper (101), sand machine processed (102), building stones fragmentation and bulky grain building stones that discharge bin (105) and vibrating screener (106) form just screen assembly, and dust reclaims storage facility, it is characterized in that: also comprise eddy current pneumatic separation device (110) and strength separation tower (200), described eddy current pneumatic separation device (110) top is provided with charging rotary valve (109) and eddy current gas circuit (108), bottom is provided with for discharging the finger stone discharge gate (111) of finger stone, with finger stone discharge blocking valve (112), described mixture outlet (114) connects pneumatic separation tower (200) through conveyance conduit (115), described pneumatic separation tower (200) top is provided with sorting thing import (202) and material spreading grooves (201), below is provided with vibration-type grid (203) and granule discharge gate (204) and granule discharge blocking valve (205), middle part is provided with that taper particle blocks annular slab (207) and for separating of the pneumatic separation chamber (206) of coarse sand and fine sand, top is provided with the dusty gas floss hole (217) being connected with dust arrester, described pneumatic separation chamber (206) is provided with coarse sand discharge gate (213) and coarse sand discharge blocking valve (214), fine sand discharge gate (215) and fine sand discharge blocking valve (216).
2. the dustless sand production equipment processed of environment-protection dry type according to claim 1, it is characterized in that: described eddy current pneumatic separation device (110) is arranged between vibrating screener (106) and pneumatic separation tower (200), described eddy current pneumatic separation device (110) is provided with eddy current gas circuit (108) and auxiliary sorting gas circuit (113), in described eddy current gas circuit (108) and auxiliary Pre-sorting gas circuit (113), is respectively arranged with control valve.
3. the dustless sand production equipment processed of environment-protection dry type according to claim 1, it is characterized in that: described pneumatic separation chamber (206) is comprised of upper and lower two-layer concentric tubaeform guide wall, the slot of described upper strata guide wall (210) stretches into wide mouthful of lower floor's guide wall (211), described lower floor guide wall (211) slot arranged outside has rotation gas circuit (212), and described rotation gas circuit (212) is provided with control valve.
4. the dustless sand production equipment processed of environment-protection dry type according to claim 3, it is characterized in that: described upper strata guide wall (210) wide port is provided with the particulate blockage annular slab (209) that seals vertically downward welding around the wide end circumference of upper strata guide wall, described particulate blockage annular slab (209) outside forms annular air-flow path (208) with pneumatic separation tower (200) casing circumferential inner wall.
5. the dustless sand production equipment processed of environment-protection dry type according to claim 1, it is characterized in that: described dust reclaims storage facility and comprises pulse backblowing deduster (301), described dusty gas floss hole (217) reclaims airduct (218) by dust and connects the dusty gas entrance (302) that pulse backblowing deduster (301) top arranges, and powder discharge gate (304) outlet of described pulse backblowing deduster (301) bottom is provided with storehouse pump Pneumatic conveyer (308).
6. the dustless sand production equipment processed of environment-protection dry type according to claim 5, it is characterized in that: described powder discharge (304) below is provided with the storehouse pump Pneumatic conveyer (308) connecting by Pneumatic butterfly valve (701), described storehouse pump Pneumatic conveyer (308) top is provided with and connects the 5th gas control unit magnetic valve (405), the Compressed Gas pipeline that pressure-reducing valve (505) is controlled, bottom is provided with storehouse pump Bed (309).
7. according to claim 1 and the dustless sand production equipment processed of environment-protection dry type claimed in claim 5, it is characterized in that: described storehouse pump Bed (309) one sides are connected the 6th gas control unit magnetic valve (406) with bottom, the Compressed Gas pipeline that pressure-reducing valve (506) is controlled, opposite side is provided with powder delivery port (310).
8. the dustless sand production equipment processed of a kind of environment-protection dry type according to claim 1, is characterized in that: described sand machine processed is cone sand making machine.
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| CN201310027015.2A CN103934199A (en) | 2013-01-21 | 2013-01-21 | Environment-friendly dry type dust-free manufactured sand production device |
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| CN201310027015.2A CN103934199A (en) | 2013-01-21 | 2013-01-21 | Environment-friendly dry type dust-free manufactured sand production device |
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| CN104549711A (en) * | 2015-01-13 | 2015-04-29 | 福建省绿能环保科技有限公司 | Gravel production system |
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| CN104844040A (en) * | 2015-04-30 | 2015-08-19 | 王英英 | Device for using pollution-free building rubbish to manufacture sand grains |
| CN108043821A (en) * | 2017-12-18 | 2018-05-18 | 长沙深湘通用机器有限公司 | A kind of sand method processed, sand system processed and sand equipment processed |
| CN108114948A (en) * | 2017-12-18 | 2018-06-05 | 长沙深湘通用机器有限公司 | A kind of material cleaning method, cleaning system and cleaning equipment |
| CN109834043A (en) * | 2019-03-15 | 2019-06-04 | 中船澄西船舶修造有限公司 | A kind of antiquated sand recycling assembly line |
| CN110788001A (en) * | 2019-11-04 | 2020-02-14 | 中冶长天国际工程有限责任公司 | Winnowing device for removing fine particle dust in lime kiln, control method and lime kiln |
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Application publication date: 20140723 |