CN106866007A - A kind of method and system fired gangue for cement raw material - Google Patents
A kind of method and system fired gangue for cement raw material Download PDFInfo
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- CN106866007A CN106866007A CN201710164208.0A CN201710164208A CN106866007A CN 106866007 A CN106866007 A CN 106866007A CN 201710164208 A CN201710164208 A CN 201710164208A CN 106866007 A CN106866007 A CN 106866007A
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- Prior art keywords
- gangue
- grate
- cooler
- raw material
- cement raw
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
- Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
Abstract
The present invention relates to field of cement production, there is provided a kind of method fired gangue for cement raw material, including：Gangue is delivered in grate-cooler, is exported after being fired to gangue using the waste heat of grate-cooler.The method being capable of efficent use of resources reduction cement plant production cost, raising cement plant productivity effect.Implement the above-mentioned system that gangue is fired the method for cement raw material, including grate-cooler, the first connecting gear present invention also offers a kind of, the output end of the first connecting gear is arranged in grate-cooler.The system has identical good effect with the above method.
Description
Technical field
The present invention relates to field of cement production, in particular to a kind of method fired gangue for cement raw material
And system.
Background technology
Grate-cooler is the important cooling host device in the sinter leaching system of cement plant, and its major function is ripe to cement
Material is cooled down, conveyed；It is the capital equipment of firing system recuperation of heat simultaneously for rotary kiln and dore furnace etc. provide hot-air,
Clinker can be quenched to less than 100 DEG C by 1300-1400 DEG C in several minutes.
Gangue is the solid waste mined with discharged during coal washing, is the maximum industrial solid of the current discharge capacity of China
Discarded object, and it stores up for a long time, destroys the ecological balance, but gangue is again abundant natural resources, using gangue not
Arable land present situation in short supply can only be alleviated, and gangue can be made to become a kind of utilizable resource of people, also solve public affairs
The current cement mixture resource scarcity problem for facing of department, while also for the local environment for improving people's existence and reducing nature
The generation of disaster.At present, the mode of China's gangue comprehensive utilization mainly has：Used as fuel, reclaimed from gangue and have
With mineral, as Reclamation by filling and making construction material etc..
Coal gangue subculture makees cement mixture for part flyash, and gangue must possess as the activity index of mixing material,
That is Al2O3、SiO2Content summation to reach 70% just have preferably activity, gangue has relatively good after combustion modifications
Activity.And it contains flammable material and directly adds gangue is, to cement oxious component, such as why not to expend in manufacture of cement
Extra energy by it is coal gangue modified be with it is preferable activity cement raw material become problem demanding prompt solution.
The content of the invention
The invention provides a kind of method fired gangue for cement raw material, it is intended to improve existing grate-cooler waste heat
Waste and avoid gangue to be not added with using environmentally hazardous problem.
Present invention also offers a kind of system fired gangue for cement raw material, it can utilize the waste heat of grate-cooler
Gangue is fired, gangue can also be processed utilization by the purpose for both having reached save energy.
What the present invention was realized in：
A kind of method fired gangue for cement raw material, including：Gangue is delivered in grate-cooler, using cooling
The waste heat of machine is exported after being fired to gangue.
A kind of system fired gangue for cement raw material, it is cement raw that it is used to implement above-mentioned fire gangue
The method of material, system includes grate-cooler, the first connecting gear, and the output end of the first connecting gear is arranged in grate-cooler.
The beneficial effects of the invention are as follows：The side fired gangue for cement raw material that the present invention is obtained by above-mentioned design
Method and system are calcined by using the waste heat of grate-cooler to gangue, are that can be used in manufacture of cement by calcined coal gangue
Cement raw material, is effectively utilized resource and had not only avoided the waste of grate-cooler waste heat but also can turn the less gangue of use value
The raw material that cement is produced to can be used for into is melted into, the cost of manufacture of cement is effectively reduced, the economic benefit in cement plant is improve.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of embodiment of the present invention, below will be to be used needed for implementation method
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not to be seen as
It is the restriction to scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other related accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation that gangue is fired the system for cement raw material that first embodiment of the invention is provided；
Fig. 2 is the partial sectional view of the first connecting gear in Fig. 1；
Fig. 3 is the structural representation that gangue is fired the system for cement raw material that second embodiment of the invention is provided；
Fig. 4 is the structural representation that gangue is fired the system for cement raw material that first embodiment of the invention is provided.
Icon：100- is fired the system for cement raw material by gangue；200- fires gangue
System；300- is fired the system for cement raw material by gangue；110- grate-coolers；210- grate-coolers；310- grate-coolers；111- mono-
Section；Mono- section of 211-；Mono- section of 311-；Bis- sections of 112-；Bis- sections of 212-；Bis- sections of 312-；The connecting gears of 120- first；220- first is transmitted
Mechanism；The connecting gears of 320- first；The weighing balances of 121- first；The weighing balances of 221- first；The weighing balances of 321- first；122- recesses；
130- heat absorption devices；230- heat absorption devices；330- heat absorption devices；240- sieves disintegrating mechanism；241- second
Connecting gear；242- screening plants；243- first charging apertures；244- reducing mechanisms；245- second charging apertures；246- coarse fodders go out
Mouthful；247- fineves are exported；248- discharging openings；The weighing balances of 249- second；The connecting gears of 340- the 3rd；The weighing balances of 341- the 3rd；
150- discharge buckets；250- discharge buckets；350- discharge buckets.
Specific embodiment
To make the purpose, technical scheme and advantage of embodiment of the present invention clearer, implement below in conjunction with the present invention
Accompanying drawing in mode, is clearly and completely described to the technical scheme in embodiment of the present invention, it is clear that described reality
The mode of applying is a part of implementation method of the invention, rather than whole implementation methods.Based on the implementation method in the present invention, ability
The every other implementation method that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to the present invention
The scope of protection.Therefore, the detailed description of embodiments of the present invention below to providing in the accompanying drawings is not intended to limit and wants
The scope of the present invention of protection is sought, but is merely representative of selected implementation method of the invention.Based on the implementation method in the present invention,
The every other implementation method that those of ordinary skill in the art are obtained under the premise of creative work is not made, belongs to this
Invent the scope of protection.
In the description of the invention, it is to be understood that term " on ", D score, " top ", " bottom ", " interior ", " outward " etc. indicate
Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the present invention and simplification retouch
State, rather than indicate imply signified equipment or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " is meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be that machinery connects
Connect, can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two element internals connection or two units
The interaction relationship of part.For the ordinary skill in the art, can as the case may be understand that above-mentioned term exists
Concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score
The first and second feature directly contacts can be included, it is also possible to including the first and second features be not directly contact but by it
Between other characterisation contact.And, fisrt feature second feature " on ", " top " and " above " include that first is special
Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below will be in the embodiment of the present invention
Technical scheme be clearly and completely described.Unreceipted actual conditions person, builds according to normal condition or manufacturer in embodiment
The condition of view is carried out.Agents useful for same or the unreceipted production firm person of instrument, are the conventional product that can be obtained by commercially available purchase
Product.
Gangue is fired as cement raw material below by specific embodiment and with reference to what accompanying drawing was provided the present invention
Method and system are described in further detail.
By gangue fire for cement raw material method its comprise the following steps：Gangue is delivered in grate-cooler, profit
Exported after being fired to gangue with the waste heat of grate-cooler.
Further, also included sieving grate-cooler, crushing, weighing before gangue is delivered into grate-cooler.
Specifically, the gangue transported back from stone pit is sieved first, coal gangue block of the granularity less than 30cm is transferred directly to
In grate-cooler, coal gangue block of the granularity more than 30cm is then delivered in grate-cooler again after broken.Then exist because granularity is excessive
It is not easy the carbon completely burnout in gangue in sintering procedure, therefore preferably by coal that particle diameter is excessive before grate-cooler is delivered to
Spoil is crushed.Gangue is weighed during gangue is delivered to grate-cooler, preceding gangue is fired to record
Weight.Further, the transfer rate of the adjustment of weight gangue of the gangue according to weighing balance, to ensure each
The gangue total amount that time period is fired into grate-cooler is suitable so that gangue is fired more completely, and when the weight of record
The transfer rate of gangue big slightly prevents the connecting gear somewhere Piling of Gangue from excessively making connecting gear excess load when measuring excessive,
But should be noted that be there may be if gangue transfer rate is too fast gangue also burnt completely not in grate-cooler just by
Discharge, therefore transfer rate can not be too fast.
Be fired into for gangue using one section of 1100-1450 DEG C of waste heat of grate-cooler from one section of entrance of grate-cooler by gangue
Gel mineral with the hydraulicity, after be delivered to two sections of grate-cooler again, when reaching two sections because the carbon in gangue is forged
Oxidation heat liberation is burnt, then can also be there is calcined coal gangue and be put except grate-cooler 450 degree or so of waste heat in itself in two sections of grate-cooler
The heat for going out.Further, the heat produced by gangue is now carried out into sorption enhanced utilization.Gangue passes through calcining,
The gelling mineral with the hydraulicity are generated at 1100-1450 DEG C, this gelling mineral is modified gangue, and modified gangue is substituted
After clinker 30%, the compression strength of its cement 28d still can reach the 85% of portland cement 28d compression strength.And profit
With gangue caloric value in itself at 1100-1450 DEG C calcining coal gangue, its theoretical heat consumption is only clinker heat consumption
15%.
Because gangue usage amount increases, heat consumption of clinker also declines, and the cogeneration ton many generated energy of clinker reach 35.36kwh/
T, than without 1~2kwh/t is improved before firing gangue mixing material, gangue waste resource is fully used, energy-saving and emission-reduction effect
Fruit is substantially.
Referring to accompanying drawing 1-4, the system of the implementation above method that embodiments of the invention are provided.
First embodiment
Accompanying drawing 1 is referred to, gangue is fired into the system 100 for cement raw material, it includes that grate-cooler 110 and first is transmitted
Mechanism 120.The output end of the first connecting gear 120 is arranged in grate-cooler 110.Gangue is put into the first connecting gear 120
Input, the first connecting gear 120 worked, and gangue is delivered in grate-cooler 110 using 110 1 section 111 of grate-cooler
Heat is calcined to gangue, and finally the discharge bucket 250 by being arranged at the inwall of grate-cooler 110 is discharged.
Further, gangue is fired as the system 100 of cement raw material also includes heat absorption device 130, heat is inhaled
Receiving apparatus 130 are arranged at two section 112 of grate-cooler 110.It should be noted that it is cement that accompanying drawing 1 is only this fires gangue
The structural representation of the system 100 of raw material, wherein the shape of the heat absorption device 130 painted does not represent actual heat absorption
The shape and structure of device 130.
The heat absorption device 130 can be cogeneration kiln hood AQC boilers, will be comprehensive after the heat absorption in two section 112
Conjunction is used in other operations of cement manufacturing process.Or heat absorption device 130 can also be by many set of heat exchange tubes into
Heat exchanger, many heat exchanger tubes are distributed in the inwall of two section 112 of grate-cooler 110, wherein heat exchange Bottomhole pressure has for carrying out
The water of heat exchange, the water of these flowings absorb in two section 112 outflow after thermal temperature is raised act on cement manufacture its
In his operation.Set heat absorption device 130 heat that calcined coal gangue is produced can be recycled, fully save
The energy, realizes effective utilization of the energy, reduces cement cost of manufacture.
Further, the first connecting gear 120 is provided with the first weighing balance 121, and the first weighing balance 121 is used to weigh to be fired
The weight of preceding gangue.After weighing, the weight according to gangue adjusts the charging rate of gangue, to ensure gangue in cooling
Calcining is complete in machine 110, and prevents that the somewhere gangue of the first connecting gear 120 is overweight to cause the excess load of the first connecting gear 120.
Further, accompanying drawing 2 is refer to, Fig. 2 is longitudinal partial cutaway of the side that the first connecting gear 120 holds gangue
View.The side that first connecting gear 120 holds gangue has recess 122, and gangue is then contained in recess 122.Set
The purpose of recess 122 is to prevent gangue from being skidded off from the first connecting gear 120 in the motion process of the first connecting gear 120.
The course of work that gangue is fired into the system 100 for cement raw material is as follows：By gangue from stone pit transport to
In cement processing factory, screening is first passed around, the gangue by particle diameter less than 30cm is directly poured onto entering for the first connecting gear 120
Material end, the first connecting gear 120 is poured onto by gangue of the particle diameter more than 30cm again after being crushed to particle diameter less than 30cm
Feed end, after gangue is weighed on the first connecting gear 120 through the first weighing balance 121, operating personnel are according to the first weighing balance
The weight of 121 displays adjust the transfer rate of the first connecting gears 120, gangue into being calcined after one section 111, into two sections
Liberated heat is calcined after 112 to be absorbed by heat absorption device 130, is finally conveyed out grate-cooler 110 from discharge bucket 150.
Second embodiment
The technique effect of the device that the embodiment of the present invention is provided, its realization principle and generation is identical with first embodiment,
To briefly describe, the present embodiment does not refer to part, refers to corresponding contents in first embodiment.
Refer to shown in accompanying drawing 3, gangue is fired as the system 200 of cement raw material also includes compared to first embodiment
Screening disintegrating mechanism 240.Screening disintegrating mechanism 240 is located at the top of the input of the first connecting gear 220.Screening disintegrating mechanism
240 include the second connecting gear 241, screening plant 242 and reducing mechanism 244, and screening plant 242 has first charging aperture 243,
Reducing mechanism 244 has second charging aperture 245, and the discharge end of the second connecting gear 241 is located at the top of first charging aperture 243,
The bottom of screening plant 242 is provided with fines outlet 247 and coarse fodder outlet 246, and coarse fodder outlet 246 is located at second charging aperture 245
Top, the bottom of reducing mechanism 244 is provided with discharging opening 248, and fines outlet 247 is respectively positioned on the first transmission with discharging opening 248
The top of the input of mechanism 220.Set to sieve and larger the carrying out of particle diameter is selected after disintegrating mechanism 240 can sieve gangue
It is broken.To cause that the gangue in input grate-cooler 210 can be calcined completely.
Further, the second connecting gear 241 is provided with the second weighing balance 249, and the design is to record into screening
The total amount of the gangue of device 242, and according to the second weighing balance 249 show the second connecting gear of data point reuse 241 transmission
Speed, to prevent the gangue for entering screening plant 242 excessive, and then causes screening plant 242 to work overloadingly.
The course of work that gangue is fired into the system 100 for cement raw material is as follows：By gangue from stone pit transport to
In cement processing factory, it is poured onto on the second connecting gear 241, and the second conveyer is recorded in the presence of the second weighing balance 249
The weight of gangue on structure 241, adjusts the transfer rate of the second connecting gear 241, rear bastard coal according to this weight data in operation
The output end of stone the second connecting gear 241 on earth is eventually entered into screening plant 242, after screening, coal of the particle diameter less than 30cm
Spoil is immediately discharged to the feed end of the first connecting gear 220 through fines outlet 247；Gangue of the particle diameter more than 30cm goes out through coarse fodder
Mouth 246 and second charging aperture 245 are crushed to after particle diameter is less than 30cm into reducing mechanism 244 and drain into the first biography by discharging opening 248
Send the feed end of mechanism 220.After gangue is weighed on the first connecting gear 220 through the first weighing balance 221, operating personnel according to
The weight of the display of the first weighing balance 221 adjusts the transfer rate of the first connecting gear 220, and gangue is into being forged after one section 211
Burn, into two section 212 after calcine liberated heat and absorbed by heat absorption device 230, be finally conveyed out in the discharge bucket 250
Grate-cooler 210.
3rd embodiment
The technique effect of the device that the embodiment of the present invention is provided, its realization principle and generation is identical with first embodiment,
To briefly describe, the present embodiment does not refer to part, refers to corresponding contents in first embodiment.
Refer to shown in accompanying drawing 4, gangue is fired as the system 300 of cement raw material also includes compared to first embodiment
3rd connecting gear 340.3rd connecting gear 340 is arranged in parallel with the first connecting gear 320, the 3rd connecting gear 340 it is defeated
Go out end to be arranged in grate-cooler 310.The structure function all same of the structure of the 3rd connecting gear 340 and the first connecting gear 320.
More than the purpose of the 3rd connecting gear 340 is set wasting in grate-cooler 310 to prevent that connecting gear operating efficiency is too low
Heat.And setting up the 3rd connecting gear 340 can then increase the operating efficiency that gangue is fired the system 300 for cement raw material.
It should be noted that in the case where ensureing that grate-cooler 310 can provide enough waste heats, it is of the invention other
Also be can be set more than 2 in embodiment and gangue is sent to the connecting gear calcined in grate-cooler.
The course of work that gangue is fired into the system 300 for cement raw material is as follows：By gangue from stone pit transport to
In cement processing factory, screening is first passed around, the gangue by particle diameter less than 30cm is directly poured onto entering for the first connecting gear 320
Material end, the first connecting gear 320 is poured onto by gangue of the particle diameter more than 30cm again after being crushed to particle diameter less than 30cm
Feed end, gangue is on the first connecting gear 320 and the 3rd connecting gear 340 through the first weighing balance 321 and the 3rd weighing balance
After 341 weigh, the weight adjustment that operating personnel show according to the first weighing balance 321 and the 3rd weighing balance 341 first is transmitted respectively
The transfer rate of the connecting gear 340 of mechanism 320 and the 3rd, gangue into being calcined after one section 311, into two section 312 after forge
Burn liberated heat to be absorbed by heat absorption device 330, be finally conveyed out grate-cooler 310 from discharge bucket 350.
In sum, by gangue fire for cement raw material method and system by using the waste heat of grate-cooler to bastard coal
Stone is calcined, and is the cement raw material that can be used in manufacture of cement by calcined coal gangue, is effectively utilized resource and had both been avoided comb
The waste of cold waste heat can make use value smaller again and gangue that is polluting the environment is transformed into and can be used for into product cement
Raw material, effectively reduce the cost of manufacture of cement, improve the economic benefit in cement plant.And the heat for producing calcined coal gangue
Amount sorption enhanced is even more and further avoid the wasting of resources, is that other energy such as electric energy further drop by the converting heat of absorption
The production cost in low cement plant improves the economic benefit in cement plant.
The preferred embodiment of the present invention is the foregoing is only, is not intended to limit the invention, for this area
For technical staff, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made it is any
Modification, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of is the method for cement raw material by gangue firing, it is characterised in that including：
The gangue is delivered in grate-cooler, the gangue is fired using the waste heat of the grate-cooler rear defeated
Go out.
2. according to claim 1 is the method for cement raw material by gangue firing, it is characterised in that by the gangue
Be delivered to one section of the grate-cooler fire after by being discharged after two sections of the grate-cooler.
3. the method fired gangue for cement raw material according to claim 2, it is characterised in that by the bastard coal
When stone is delivered to two sections of the grate-cooler, the heat to gangue release absorbs.
4. the method fired gangue for cement raw material according to claim 1, it is characterised in that by the bastard coal
Stone also includes being sieved the gangue before being delivered to the grate-cooler, and the gangue of the granularity less than 30cm is direct
It is transported in grate-cooler, the gangue of the granularity more than 30cm is then delivered in the grate-cooler again after broken.
5. the method fired gangue for cement raw material according to claim 1, it is characterised in that by the bastard coal
During stone is delivered in the grate-cooler, the gangue is weighed.
6. according to claim 1 is the method for cement raw material by gangue firing, it is characterised in that by the gangue
The transfer rate of the gangue is adjusted after being weighed.
7. a kind of is the system of cement raw material by gangue firing, it is characterised in that it is used to implement claim any one of 1-6
The described method fired gangue for cement raw material, the system includes grate-cooler, the first connecting gear, and described first passes
The output end of mechanism is sent to be arranged in the grate-cooler.
8. system according to claim 7, it is characterised in that the system also includes heat absorption device, the heat
Absorption plant is arranged at two sections of the grate-cooler.
9. system according to claim 7, it is characterised in that first connecting gear is provided with the first weighing balance.
10. system according to claim 7, it is characterised in that the system also includes screening disintegrating mechanism, the screening
Disintegrating mechanism is located at the top of the first connecting gear input, and the screening disintegrating mechanism includes the second connecting gear, sieve
Separating device and reducing mechanism, the screening plant have first charging aperture, and the reducing mechanism has second charging aperture, described
The discharge end of two connecting gears is located at the top of the first charging aperture, the bottom of the screening plant be provided with fines outlet and
Coarse fodder is exported, and positioned at the top of the second charging aperture, the bottom of the reducing mechanism is provided with discharging opening for the coarse fodder outlet,
The fines outlet is respectively positioned on the top of the input of first connecting gear with the discharging opening.
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| CN201710164208.0A CN106866007A (en) | 2017-03-20 | 2017-03-20 | A kind of method and system fired gangue for cement raw material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108249939A (en) * | 2018-04-02 | 2018-07-06 | 合肥聪亨新型建材科技有限公司 | A kind of highiy refractory brick and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249939A (en) * | 2018-04-02 | 2018-07-06 | 合肥聪亨新型建材科技有限公司 | A kind of highiy refractory brick and preparation method thereof |
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