CN110092596A - A kind of method and production system preparing the unburned eco-cement of solid waste base - Google Patents

A kind of method and production system preparing the unburned eco-cement of solid waste base Download PDF

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Publication number
CN110092596A
CN110092596A CN201910329171.1A CN201910329171A CN110092596A CN 110092596 A CN110092596 A CN 110092596A CN 201910329171 A CN201910329171 A CN 201910329171A CN 110092596 A CN110092596 A CN 110092596A
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outlet
entrance
powder
machine
cement
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廖洪强
段思宇
樊飙
武建芳
程芳琴
李溪
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Shanxi University
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Shanxi University
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    • 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
    • C04B7/00Hydraulic cements
    • C04B7/14Cements containing slag
    • C04B7/147Metallurgical slag
    • C04B7/153Mixtures thereof with other inorganic cementitious materials or other activators
    • 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
    • C04B7/00Hydraulic cements
    • C04B7/14Cements containing slag
    • C04B7/147Metallurgical slag
    • C04B7/153Mixtures thereof with other inorganic cementitious materials or other activators
    • C04B7/17Mixtures thereof with other inorganic cementitious materials or other activators with calcium oxide containing activators
    • C04B7/19Portland cements
    • 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
    • C04B7/00Hydraulic cements
    • C04B7/24Cements from oil shales, residues or waste other than slag
    • 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
    • C04B7/00Hydraulic cements
    • C04B7/24Cements from oil shales, residues or waste other than slag
    • C04B7/26Cements from oil shales, residues or waste other than slag from raw materials containing flue dust, i.e. fly ash
    • 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
    • C04B7/00Hydraulic cements
    • C04B7/36Manufacture of hydraulic cements in general
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/10Production of cement, e.g. improving or optimising the production methods; Cement grinding

Abstract

A kind of method and production system preparing the unburned eco-cement of solid waste base, belong to the preparation technical field of burn-free cement, it can solve existing Industrial Solid Waste, especially steel slag solid waste, can not ultra-fine grinding restrict its in cement volume and a variety of Industrial Solid Waste Ultramicro-powders compounding Cooperative Excitation gelling the problem of, the wet stock of High water cut and large-sized granule materials are proportionally added into drier and carry out combination drying by the present invention, mixed material after drying is subjected to pre- grinding, material after pre- grinding is proportionally added into batch mixer with dry material to be mixed, mixed powder material enters supersonic speed steam stream Ultra-Micro Grinding Equipment and carries out secondary fine powder mill, obtain the unburned eco-cement of solid waste base.The present invention changes traditional cement production mode, realizes energy conservation and environmental protection and Green Development.

Description

A kind of method and production system preparing the unburned eco-cement of solid waste base
Technical field
The invention belongs to the preparation technical fields of burn-free cement, and in particular to a kind of solid waste base unburned eco-cement of preparing Method and production system.
Background technique
Energy conservation and environmental protection and solid waste comprehensive utilization of resources have become the theme of era development.On the one hand, industrial production generates A large amount of solid waste stockpilings, not only land occupation, but also pollution environment, are badly in need of wanting harmless treatment and resource utilization;On the other hand, Traditional cement production mode grinds by high temperature firing using natural crystal as primary raw material, not only breaks up ecological environment, and And energy consumption and environmental pollution are caused, especially discharge a large amount of greenhouse gases CO2, urgent need will change production method, reduce day Right resource exploitation reduces energy consumption and reduces environmental pollution.It is primary raw material using Industrial Solid Waste, is prepared using unburned technology path Cement class gelation activity powder body material has become development of new techniques direction, efficiently utilizes tool to energy-saving and emission-reduction and solid wastes recycling It is of great importance.
Technology in relation to preparing eco-cement using Industrial Solid Waste has been carried out industrialization, in particular with blast furnace water The Industrial Solid Wastes such as slag, flyash, desulfurized gypsum, by grinding technology, appropriate mix partially substitutes cement use in cement, relatively The dosage of clinker is reduced, the technology of this respect has been carried out scale utilization.But Industrial Solid Waste micro mist substitutes water at present The volume of mud is limited, is usually no more than 60%, can not achieve 100% substitution clinker, main reason is that: (1) Industrial Solid Waste Grinding fineness it is not thin enough, the gelation activity of solid waste fails sufficiently to eject, this largely constrains solid waste in cement In application scale, especially the steel slag in Ferrous Metallurgy solid waste is widely applied in cement is restricted;(2) not according to nothing Machine gelling principle, realizes all kinds of solid wastes compounding gellings, and these two types of problems urgent needs will be solved by technological innovation.
Summary of the invention
The purpose of the present invention: (1) solving existing Industrial Solid Waste, especially steel slag solid waste, can not ultra-fine grinding restrict it The technical problem of volume in cement;(2) technical problem of a variety of Industrial Solid Waste Ultramicro-powder compounding Cooperative Excitation gellings is solved, and The method and production system of one kind of multiple Industrial Solid Waste ultra micro dusting synergistic gelating preparation unburned eco-cements of solid waste base are provided, with Phase changes traditional cement production mode, realizes energy conservation and environmental protection and Green Development.
To solve the above problems, the present invention adopts the following technical scheme:
A method of the unburned eco-cement of solid waste base is prepared, is included the following steps:
The wet stock of High water cut and large-sized granule materials are proportionally added into drier and carry out combination drying, after drying Mixed material carry out pre- grinding, the material after pre- grinding is proportionally added into batch mixer with dry material to be mixed, mixing Powder material afterwards enters supersonic speed steam stream Ultra-Micro Grinding Equipment and carries out secondary fine powder mill, obtains the unburned ecological water of solid waste base Mud.
Further, the moisture range of the wet stock of the High water cut is 3% ~ 35%, the large-sized granule materials Particle size range is 1mm ~ 15mm.
Further, the wet stock of the High water cut includes desulfurized gypsum, ardealite, blast furnace water slag-flushing, converter slag, combustion Any one in coal stove slag, slag of coal gasification, carbide slag, red mud, tailing and clinker.
Further, the large-sized granule materials include desulfurized gypsum, ardealite, blast furnace water slag-flushing, converter slag Any one in tailings, coal furnace slag, slag of coal gasification, carbide slag, red mud, tailing and clinker.
Further, the mixed proportion of the wet stock and granule materials meets the quality point of each component in mixed material The ratio that number accounts for mixed material is as follows: CaO:45% ~ 85%;SiO2:15%~25%; Al2O3:10%~15%; Fe2O3:10%~20%; SO3:5%~8%。
Further, the moisture content of the mixed material after the drying is 0.1% ~ 1%.
Further, the granularity of the material after the pre- grinding is 74 μm ~ 150 μm.
Further, the partial size of the dry material is less than 74 μm, and water content is less than 0.5%, including flyash, coal gasification Ash, silicon ash, aluminium ash, ordinary portland cement, quick lime, slag micropowder, slag micro powder, clinker powder, carbide powder and desulfurized gypsum Any two kinds in powder.
Further, the mixed proportion of the material after the pre- grinding and dry material is according to GB13590-2006 " steel slag Portland cement " quality requirement mixing.
Further, the granularity of the material after the secondary fine powder mill is 5 μm ~ 15 μm.
A kind of production system for the method preparing the unburned eco-cement of solid waste base, including forklift, wet stock elevator, particle Expect elevator, wet stock buffering chamber, particulate material buffering chamber, wet stock constant feeder, particulate material constant feeder, Belt Conveying Machine, dryer, drying material elevator, 1#Cloth bag collection machine, 1#Air-introduced machine, 1#Packing auger, pre- flour mill, 2#Cloth bag collection machine, 2# Packing auger, 2#Air-introduced machine, dry powder raw material buffering chamber, pre-grinding powder buffering chamber, dry powder raw material constant feeder, pre-grinding quantitative powder Batcher, mixing machine, 3#Packing auger, steam stream micronizer, 3#Cloth bag collection machine, 4#Packing auger, 3#Air-introduced machine, finished bin And exhaust tube, the hopper feed of the forklift difference dewing material elevator and particulate material elevator;Wet stock elevator goes out Mouth is connect with wet stock buffering chamber entrance, and the outlet of wet stock buffering chamber is connect with wet stock constant feeder entrance, wet stock Constant feeder outlet is connect with belt conveyor entrance;Particulate material lift outlet is connect with particulate material buffering chamber entrance, The outlet of pellet buffering chamber is connect with particulate material constant feeder entrance, and the outlet of particulate material constant feeder enters with belt conveyor Mouth connection;The entrance of the outlet of belt conveyor and dryer connects, the outlet of dryer respectively with drying material elevator and 1# The entrance of cloth bag collection machine connects, and 1#Cloth bag collection machine outlet is respectively with 1#Air-introduced machine and 1#The connection of packing auger entrance, 1#Air-introduced machine Outlet connect with exhaust tube entrance, 1#Packing auger outlet is connect with drying material elevator entrance;The outlet of drying material elevator It is connect with the entrance of pre- flour mill, the outlet of pre- flour mill and 2#The connection of cloth bag collection machine entrance, 2#Cloth bag collection machine outlet difference With 2#Packing auger and 2#The connection of air-introduced machine entrance, 2#The outlet of air-introduced machine is connect with exhaust tube entrance;2#The outlet of packing auger and pre- The entrance connection of milling material buffering chamber, the outlet of pre-grinding powder buffering chamber is connect with pre-grinding quantitative powder batcher entrance, pre- to be milled The outlet of materials quantitative batcher is connect with mixing machine entrance;The outlet of dry powder raw material buffering chamber and dry powder raw material constant feeder entrance Connection, the outlet of dry powder raw material constant feeder are connect with mixing machine entrance, the outlet of mixing machine and 3#The entrance of packing auger connects It connects, 3#Packing auger outlet is connect with the entrance of steam stream micronizer, the outlet of steam stream micronizer and 3#Cloth bag receives powder The entrance of device connects, and 3#The outlet of cloth bag collection machine is respectively with 4#Packing auger and 3#The connection of air-introduced machine entrance, 4#The outlet of packing auger It is connect with the entrance of finished bin, 3#The outlet of air-introduced machine and the steam inlet of dryer connect.
Further, the dry powder raw material constant feeder is using quantitative screw machine, wet stock constant feeder and particle Materials quantitative batcher is using quantitative belt feeder.
Further, the particulate material elevator and drying material elevator use bucket elevator, and wet stock elevator is adopted Use inclination angle belt conveyor.
Further, the selection principle of packing auger is that linear type conveying uses spiral enter powder machine and bucket elevator, non-straight Line style conveying uses pneumatically conveyed pulverized fuel machine.
Further, the milling equipments such as ball mill, Vertical Mill, Raymond mill can be selected in the pre- flour mill;Drying equipment uses Steam or hot fume dryer, such as disc type steam drying machine, rotation drum type dryer, mesh-belt type drier.
Beneficial effects of the present invention are as follows:
The present invention uses solid waste to produce unburned eco-cement for raw material, not only contributes to Industrial Solid Waste recycling and efficiently utilizes, and And it is beneficial to energy conservation emission reduction;The present invention uses the steam waste heat material drying of steam stream pulverizer discharge, is beneficial to energy conservation environmental protection, Reduce production cost;The present invention uses two-stage grinding technology, is conducive to prepare solid waste Ultramicro-powder of the average particle size less than 15 microns, Volume of the solid waste in cement is improved, and then reduces manufacture of cement cost;The present invention uses a variety of solid waste Ultramicro-powder ratio optimizations Control technique is conducive to activity mutually excitation between solid waste, so that the gelation activity of solid waste Ultramicro-powder is improved, increase product quality.Always It, present invention process and its device systems avoid the high temperature firing of conventional cement, have good effects of energy saving and emission reduction, belong to Clean manufacturing is conducive to preserve the ecological environment.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of production system of the invention;
Wherein: 1- forklift;2- wet stock elevator;3- particulate material elevator;4- wet stock buffering chamber;5- particulate material buffering chamber; 6- wet stock constant feeder;7- particulate material constant feeder;8- belt conveyor;9- dryer;10- drying material elevator; 11-1#Cloth bag collection machine;12-1#Air-introduced machine;13-1#Packing auger;The pre- flour mill of 14-;15-2#Cloth bag collection machine;16-2#Defeated powder Machine;17-2#Air-introduced machine;18- dry powder raw material buffering chamber;19- pre-grinding powder buffering chamber;20- dry powder raw material constant feeder;21- Pre-grinding quantitative powder batcher;22- mixing machine;23-3#Packing auger;24- steam stream micronizer;25-3#Cloth bag collection machine; 26-4#Packing auger;27-3#Air-introduced machine;28- finished bin;29- exhaust tube.
Specific embodiment
Embodiment 1
The method that one of the present embodiment prepares the unburned eco-cement of solid waste base, is made of following step:
Dusty raw materials are inputted in advance stand-by in dry powder buffering chamber.Again with forklift by the higher wet object of moisture content in material storage yard Material and granule materials, feed in corresponding elevator hopper respectively, are promoted to corresponding buffering chamber respectively by elevator, pass through For dosing belt to conveyor belt dosing, material is sent into drum-type steam drying machine through conveyor belt dries material It is dry, then material after drying is sent into vertical pre- flour mill by elevator and carries out pre- grinding, product enters receipts powder after pre- grinding In device, the dry powder after pre- grinding is sent into dry powder buffering chamber using packing auger;Flyash, cement and pre- powder in dry powder storehouse Mill dry mash is quantitatively fed in screw conveyor in proportion by corresponding quantitative spiral conveyor, then by screw conveyor In closed feeding ribbon mixer, powder is sent into steam stream pulverizer feeding inlet, material by screw conveyor again after mixing Enter in powder collector by the smashed Ultramicro-powder of steam stream pulverizer, finally by being made into pneumatically conveyed pulverized fuel machine input finished bin Product.The steam of steam stream pulverizer discharge enters the heat source for being used as raw material stoving in drum-type steam drying machine, realizes waste heat benefit With.
The partial size of the dusty raw materials is less than 74 microns, and for moisture content less than 0.5%, the dusty raw materials are fine coal Ash and clinker powder.
The higher wet stock of the moisture content and granule materials are respectively desulfurized gypsum and converter slag tailings, and desulfurization stone Cream aqueous 10%, converter slag tailings aqueous 8%, average grain diameter are 3 millimeters;The butt of the converter slag tailings and desulfurized gypsum Mass ratio is 5:1.
The flyash: clinker powder: pre- powder milling=3:1:6.
The moisture content of material is 0.5% after the drying, and the average grain diameter of material is 120 microns after pre- grinding, and steam stream is super Meso-position radius D50=5.5 micron of micro mist crushing rear material.
As shown in Figure 1, the production system of one of the present embodiment preparation unburned eco-cement method of solid waste base, it is by shoveling Vehicle 1, wet stock elevator 2, particulate material elevator 3, wet stock buffering chamber 4, particulate material buffering chamber 5, wet stock constant feeder 6, particulate material constant feeder 7, belt conveyor 8, dryer 9, drying material elevator 10,1#Cloth bag collection machine 11,1#Air-introduced machine 12,1#Packing auger 13, pre- flour mill 14,2#Cloth bag collection machine 15,2#Packing auger 16,2#Air-introduced machine 17, dry powder raw material buffering chamber 18, pre-grinding powder buffering chamber 19, dry powder raw material constant feeder 20, pre-grinding quantitative powder batcher 21, mixing machine 22,3#Defeated powder Machine 23, steam stream micronizer 24,3#Cloth bag collection machine 25,4#Packing auger 26,3#Air-introduced machine 27, finished bin 28 and exhaust tube 29 compositions.The forklift 1 distinguishes the hopper feed of dewing material elevator 2 and particulate material elevator 3;Wet stock elevator 2 Outlet is connect with 4 entrance of wet stock buffering chamber, and the outlet of wet stock buffering chamber 4 is connect with 6 entrance of wet stock constant feeder, wet The outlet of material dosing batcher 6 is connect with 8 entrance of belt conveyor;The outlet of particulate material elevator 3 and 5 entrance of particulate material buffering chamber Connection, the outlet of particulate material buffering chamber 5 are connect with 7 entrance of particulate material constant feeder, the outlet of particulate material constant feeder 7 and skin Band 8 entrance of conveyer connects;The outlet of belt conveyor 8 is connect with the entrance of dryer 9, the outlet of dryer 9 respectively with baking Siccative elevator 10 and 1#The entrance of cloth bag collection machine 11 connects, and 1#The outlet of cloth bag collection machine 11 is respectively with 1#Air-introduced machine 12 and 1# The connection of 13 entrance of packing auger, 1#The outlet of air-introduced machine 12 is connect with 29 entrance of exhaust tube, and 1#The outlet of packing auger 13 is promoted with drying material The connection of 10 entrance of machine;The outlet of drying material elevator 10 is connect with the entrance of pre- flour mill 14, the outlet and 2 of pre- flour mill 14# The connection of 15 entrance of cloth bag collection machine, 2#The outlet of cloth bag collection machine 15 is respectively with 2#Packing auger 16 and 2#The connection of 17 entrance of air-introduced machine, 2# The outlet of air-introduced machine 17 is connect with 29 entrance of exhaust tube;2#The outlet of packing auger 16 and the entrance of pre-grinding powder buffering chamber 19 connect It connects, the outlet of pre-grinding powder buffering chamber 19 is connect with 21 entrance of pre-grinding quantitative powder batcher, and pre-grinding quantitative powder batcher 21 goes out Mouth is connect with 22 entrance of mixing machine;The outlet of dry powder raw material buffering chamber 18 is connect with 20 entrance of dry powder raw material constant feeder, is done The outlet of powder raw material constant feeder 20 is connect with 22 entrance of mixing machine, the outlet of mixing machine 22 and 3#The entrance of packing auger 23 connects It connects, 3#The outlet of packing auger 23 is connect with the entrance of steam stream micronizer 24, the outlet of steam stream micronizer 24 and 3#Cloth The entrance connection of bag powder collector 25,3#The outlet of cloth bag collection machine 25 is respectively with 4#Packing auger 26 and 3#The connection of 27 entrance of air-introduced machine, 4#The outlet of packing auger 26 is connect with the entrance of finished bin 28, and 3#The outlet of air-introduced machine 27 is connect with the steam inlet of dryer 9.
Embodiment 2
The method that one of the present embodiment prepares the unburned eco-cement of solid waste base, preparation step is same as Example 1, and institute is not With:
The dusty raw materials are flyash and slag micropowder.
The butt quality ratio of the converter slag tailings and desulfurized gypsum is 4:1.
The flyash: slag micropowder: pre- powder milling=2:3:5.
Production system in the present embodiment is identical as in embodiment 1.
Embodiment 3
The method that one of the present embodiment prepares the unburned eco-cement of solid waste base, preparation step is same as Example 1, and institute is not With:
The dusty raw materials are flyash and carbide powder.
The butt quality ratio of the converter slag tailings and desulfurized gypsum is 4:1.
The flyash: carbide powder: pre- powder milling=4:1:5.
Production system in the present embodiment is identical as in embodiment 1.
Embodiment 4
The method that one of the present embodiment prepares the unburned eco-cement of solid waste base, preparation step is same as Example 1, and institute is not With:
The dusty raw materials are flyash and desulfurization gypsum powder.
The carbide slag that the higher wet stock of moisture content is aqueous 25%, the converter slag tailings and carbide slag are done Base mass ratio is 5:1.
The flyash: desulfurization gypsum powder: pre- powder milling=3:1:6.
The test of experimental data of the embodiment of the present invention is as shown in the table:
Production system in the present embodiment is identical as in embodiment 1.
Specific implementation process of the invention are as follows: open whole process system equipment electricity one by one according to the inverted order from product to raw material Machine.Then, the hopper feeding of dewing material elevator 2 and particulate material elevator 3 is distinguished with forklift 1;Wet stock is from wet stock Elevator 2 enters wet stock buffering chamber 4, using wet stock constant feeder 6 to 8 dosing of belt conveyor;Particulate material Enter particulate material buffering chamber 5 from particulate material elevator 3, is quantitatively given using particulate material constant feeder 7 to belt conveyor 8 Material;Belt conveyor 8 is dried in dryer 9 to 9 even feeding of dryer, wet stock and particulate material, makes material moisture Less than 1%;Coarse granular material enters drying material elevator 10 after drying, and powder material enters 1#Cloth bag collection machine 11,1#Cloth bag is received The powder material that powder device 11 is collected passes through 1#Packing auger 13 is delivered to drying material elevator 10, and gas passes through 1#Air-introduced machine 12 introduces Exhaust tube 29, qualified discharge.Material drying carries out pre- grinding into pre- flour mill 14 by drying material elevator 10, after pre- grinding Material enter 2#Cloth bag collection machine 15 is collected, using 2#Packing auger 16 enters pre-grinding powder buffering chamber 19;Gas passes through 2#Air-introduced machine 17 is pumped into exhaust tube 29 and carries out qualified discharge;Pre- grinding material in pre-grinding powder buffering chamber 19 passes through pre-grinding fen-ting amount Batcher 21 enters mixing machine 22, and the dry powder raw material in dry powder raw material buffering chamber 18 enters by dry powder raw material constant feeder 20 Mixing machine 22 is mixed with pre- grinding materials quantitative, and material passes through 3 after mixing#Packing auger 23, which enters steam stream micronizer 24, to carry out Secondary ultramicro grinding, the material after ultramicro grinding enter 3#Cloth bag collection machine 25 is collected, and 3#Cloth bag collection machine 25 is collected super Micro mist material passes through 4#Packing auger 26 enters finished bin 28 for use, and 3#The gas that cloth bag collection machine 25 comes out passes through 3#Air-introduced machine 27 into Enter the steam inlet of dryer 9, provides heat source for dryer 9.

Claims (9)

1. a kind of production system for preparing the unburned eco-cement of solid waste base, it is characterised in that: including forklift (1), wet stock is promoted Machine (2), particulate material elevator (3), wet stock buffering chamber (4), particulate material buffering chamber (5), wet stock constant feeder (6), Pellet constant feeder (7), belt conveyor (8), dryer (9), drying material elevator (10), 1#Cloth bag collection machine (11), 1# Air-introduced machine (12), 1#Packing auger (13), pre- flour mill (14), 2#Cloth bag collection machine (15), 2#Packing auger (16), 2#Air-introduced machine (17), dry powder raw material buffering chamber (18), pre-grinding powder buffering chamber (19), dry powder raw material constant feeder (20), pre-grinding powder are fixed It measures batcher (21), mixing machine (22), 3#Packing auger (23), steam stream micronizer (24), 3#Cloth bag collection machine (25), 4# Packing auger (26), 3#Air-introduced machine (27), finished bin (28) and exhaust tube (29), forklift (1) the difference dewing material elevator (2) it is fed with the hopper of particulate material elevator (3);Wet stock elevator (2) outlet connects with wet stock buffering chamber (4) entrance It connects, the outlet of wet stock buffering chamber (4) is connect with wet stock constant feeder (6) entrance, wet stock constant feeder (6) outlet It is connect with belt conveyor (8) entrance;Particulate material elevator (3) outlet is connect with particulate material buffering chamber (5) entrance, and particulate material is slow The outlet of storage (5) is connect with particulate material constant feeder (7) entrance, particulate material constant feeder (7) outlet and Belt Conveying The connection of machine (8) entrance;The outlet of belt conveyor (8) is connect with the entrance of dryer (9), the outlet of dryer (9) respectively with Drying material elevator (10) and 1#The entrance of cloth bag collection machine (11) connects, and 1#Cloth bag collection machine (11) outlet is respectively with 1#Air inducing Machine (12) and 1#The connection of packing auger (13) entrance, 1#The outlet of air-introduced machine (12) is connect with exhaust tube (29) entrance, and 1#Packing auger (13) outlet is connect with drying material elevator (10) entrance;The outlet of drying material elevator (10) and the entrance of pre- flour mill (14) Connection, the outlet and 2 of pre- flour mill (14)#The connection of cloth bag collection machine (15) entrance, 2#Cloth bag collection machine (15) outlet is respectively with 2# Packing auger (16) and 2#The connection of air-introduced machine (17) entrance, 2#The outlet of air-introduced machine (17) is connect with exhaust tube (29) entrance;2#Defeated powder The outlet of machine (16) is connect with the entrance of pre-grinding powder buffering chamber (19), and pre-grinding powder buffering chamber (19) outlet and pre-grinding powder are fixed The connection of batcher (21) entrance is measured, pre-grinding quantitative powder batcher (21) outlet is connect with mixing machine (22) entrance;Dry powder raw material The outlet of buffering chamber (18) is connect with dry powder raw material constant feeder (20) entrance, the outlet of dry powder raw material constant feeder (20) It is connect with mixing machine (22) entrance, the outlet and 3 of mixing machine (22)#The entrance of packing auger (23) connects, and 3#Packing auger (23) outlet It is connect with the entrance of steam stream micronizer (24), the outlet and 3 of steam stream micronizer (24)#Cloth bag collection machine (25) Entrance connection, 3#The outlet of cloth bag collection machine (25) is respectively with 4#Packing auger (26) and 3#The connection of air-introduced machine (27) entrance, 4#It is defeated The outlet of powder machine (26) is connect with the entrance of finished bin (28), and 3#The outlet of air-introduced machine (27) and the steam inlet of dryer (9) Connection.
2. a kind of method of the production system using the unburned eco-cement of preparation solid waste base described in claim 1, feature exist In: include the following steps:
The wet stock of High water cut and large-sized granule materials are proportionally added into drier and carry out combination drying, after drying Mixed material carry out pre- grinding, the material after pre- grinding is proportionally added into batch mixer with dry material to be mixed, mixing Powder material afterwards enters supersonic speed steam stream Ultra-Micro Grinding Equipment and carries out secondary fine powder mill, obtains the unburned ecological water of solid waste base Mud.
3. a kind of method for preparing the unburned eco-cement of solid waste base according to claim 2, it is characterised in that: the height contains The moisture range of the wet stock of water is 3% ~ 35%, and the particle size range of the large-sized granule materials is 1mm ~ 15mm;The height Aqueous wet stock includes desulfurized gypsum, ardealite, blast furnace water slag-flushing, converter slag, coal furnace slag, slag of coal gasification, electricity Any one in rock ballast, red mud, tailing and clinker;The large-sized granule materials include desulfurized gypsum, ardealite, In blast furnace water slag-flushing, converter slag tailings, coal furnace slag, slag of coal gasification, carbide slag, red mud, tailing and clinker Any one.
4. a kind of method for preparing the unburned eco-cement of solid waste base according to claim 2, it is characterised in that: the wet object The ratio that the mass fraction that the mixed proportion of material and granule materials meets each component in mixed material accounts for mixed material is as follows: CaO:45%~85%;SiO2:15%~25%; Al2O3:10%~15%; Fe2O3:10%~20%; SO3:5%~8%。
5. a kind of method for preparing the unburned eco-cement of solid waste base according to claim 2, it is characterised in that: the drying The moisture content of mixed material afterwards is 0.1% ~ 1%.
6. a kind of method for preparing the unburned eco-cement of solid waste base according to claim 2, it is characterised in that: the pre- powder The granularity of material after mill is 74 μm ~ 150 μm.
7. a kind of method for preparing the unburned eco-cement of solid waste base according to claim 2, it is characterised in that: the dry powder The partial size of material is less than 74 μm, and water content is less than 0.5%, including flyash, coal gas ashing, silicon ash, aluminium ash, ordinary portland cement, raw stone Any two kinds in ash, slag micropowder, slag micro powder, clinker powder, carbide powder and desulfurization gypsum powder.
8. a kind of method for preparing the unburned eco-cement of solid waste base according to claim 2, it is characterised in that: the pre- powder Material after mill is mixed with the mixed proportion of dry material according to the quality requirement of GB13590-2006 " steel slag portland cement ".
9. a kind of method for preparing the unburned eco-cement of solid waste base according to claim 2, it is characterised in that: described secondary The granularity of material after fine powder mill is 5 μm ~ 15 μm.
CN201910329171.1A 2019-04-23 2019-04-23 A kind of method and production system preparing the unburned eco-cement of solid waste base Pending CN110092596A (en)

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Application publication date: 20190806