CN207130167U - A kind of apparatus system for improving red mud porcelain granule and burning swollen rate - Google Patents
A kind of apparatus system for improving red mud porcelain granule and burning swollen rate Download PDFInfo
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- CN207130167U CN207130167U CN201721039044.0U CN201721039044U CN207130167U CN 207130167 U CN207130167 U CN 207130167U CN 201721039044 U CN201721039044 U CN 201721039044U CN 207130167 U CN207130167 U CN 207130167U
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- haydite
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- 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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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Abstract
The utility model provides a kind of apparatus system for improving red mud porcelain granule and burning swollen rate, including batch mixer, disc balling machine, drying device, roasting system and cooling device；Wherein, the disc balling machine is connected with the batch mixer, the drying device is connected with the disc balling machine, the roasting system includes preheating stove, one-level heating furnace kiln, intermediate zone and two level heating furnace kiln, the preheating stove is connected with the drying device, and the one-level heating furnace kiln is connected with the preheating stove, and the intermediate zone is connected with the one-level heating furnace kiln, the reheating stove and the transition band connection, the cooling device are connected with the two level heating furnace kiln.Thus, the apparatus system is made pelletizing glazing before firing, coats pelletizing completely, made gas caused by inside pelletizing be not easy to escape, improve the swollen rate of burning of red mud porcelain granule using the roasting system of innovation.
Description
Technical field
The utility model belongs to red mud field of comprehensive utilization, more particularly to a kind of device system improved red mud porcelain granule and burn swollen rate
System and process.
Background technology
Red mud is the byproduct of aluminum oxide industry, and 1 ton of aluminum oxide of production can produce 1.1-1.5 ton red muds, with recent years
The fast development of aluminum oxide industry, China's aluminum oxide yield in 2012 is 42,140,000 tons, red mud discharge capacity about 5000-6000 ten thousand
Ton.Red mud is a kind of large discarded object in China, there is no effective processing method, is still disposed using the method sealed up for safekeeping, at present
Total amount of storage is more than 200,000,000 tons.The method sealed up for safekeeping using land can not only take substantial amounts of soil, and because red mud has
Strong basicity, once tailing dam occur dam-break accident, huge harm will be caused to personal safety as well as the property safety and ecological environment.To red
The recycling of mud is the fundamental way for solving problem of environmental pollution and realizing itself value, the main component of red mud is CaO,
SiO2、Al2O3、Fe2O3Deng, by coordinating other raw materials, can meet produce sintering-expanded haydite requirement.
At present, have the method that haydite is produced using red mud as raw material both at home and abroad, reclaimed again using red mud as resource sharp
With.Chinese patent CN102336579A disclose it is a kind of disclose it is a kind of using red mud produce high performance ceramsite method, specifically
Operating process is：Bayer process red mud 40-70 parts, red mud from sintering process 0-30 parts, flyash 5-20 parts, clay are taken by butt parts by weight
Class material 5-30 parts as raw material, be put into after each raw material be well mixed with parts by weight for the water of 5-20 parts on pan-pelletizer progress into
Ball handles to obtain haydite raw material ball, takes diameter to be put into 0.5mm-20mm haydite raw material ball in rotary kiln or sintering machine and is burnt
Knot, its sintering temperature is 1050 DEG C -1200 DEG C, sintering time 15min-60min, and the haydite after sintering then is carried out into chilling
High performance ceramsite product is can be prepared by after processing.But this method still suffers from deficiency, because primary raw material is matched somebody with somebody using two kinds of red muds
Flyash and clay to be closed, is calcined after pelletizing and obtains sintering-expanded haydite, this method haydite surface is not coated, while on temperature increasing schedule
Can not ensure that haydite surface takes the lead in glazing, easily cause gas caused by inside to escape, make haydite there is a situation where to burn it is swollen.
Therefore, a kind of apparatus system for the red mud production sintering-expanded haydite for improving the swollen rate of haydite burning, saving the energy how is designed, turns into mesh
The problem of preceding urgent need to resolve.
Utility model content
For above-mentioned problem present in prior art, a kind of device system improved red mud porcelain granule and burn swollen rate of the utility model
System, using the roasting system of innovation, makes pelletizing glazing before firing, coats pelletizing completely, makes gas caused by inside pelletizing
It is not easy to escape, improves the swollen rate of burning of red mud porcelain granule；The apparatus system is red as primary raw material, utilization by using solid waste
Fe in mud2O3Resource, using Fe2O3Foaming agent is used as with carbon reaction, tradition is instead of using carbonate as foaming agent, saves
Resource, moreover, carbon not only plays Fe in pelletizing2O3Reducing agent can also serve as the fuel of supplemental heat source, match somebody with somebody by using interior
The mode of fuel, energy utilization can be made abundant, saved energy consumption；Air-cooled technique after the completion of roasting can be reduced between haydite
Adhesion rate, improve the yield rate of product.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of apparatus system for improving red mud porcelain granule and burning swollen rate, including batch mixer, disc balling machine, drying device, roasting
System and cooling device；Wherein,
The batch mixer, for being well mixed it material progress mixing treatment；
The disc balling machine is connected with the batch mixer, handles to obtain with well mixed for material to be carried out into ball processed
Haydite matrix material expects to be used as the wet bulb group of surface coating layer as spheroid, using cladding；
The drying device is connected with the disc balling machine, and dry bulb group is obtained for wet bulb group to be dried into processing；
The roasting system is connected with the drying device, and it includes one-level heating furnace kiln, intermediate zone and two level heating furnace
Kiln, dry bulb group is carried out heating by the one-level heating furnace kiln melts its surface coating layer, the intermediate zone and described one
Level heating furnace kiln connection, the dry bulb group after surface coating layer is melted cool rapidly in intermediate zone, the surface coating layer glaze of fusing
Change makes glaze paint coat whole haydite pelletizing, the reheating stove and the transition band connection, by the haydite of glazing secondary
Heating furnace kiln carries out calcination process；
The cooling device is connected with the two level heating furnace kiln, for the pelletizing after roasting to be carried out into cooling treatment.
Inventor has found that a kind of raising red mud porcelain granule of the utility model burns the apparatus system of swollen rate, using the roasting of innovation
System, make pelletizing glazing before firing, coat pelletizing completely, make gas caused by inside pelletizing be not easy to escape, improve red mud
The swollen rate of burning of haydite；The apparatus system, as primary raw material, utilizes the Fe in red mud by using solid waste2O3Resource, adopt
Use Fe2O3Foaming agent is used as with carbon reaction, tradition is instead of using carbonate as foaming agent, resource has been saved, moreover, carbon is in pelletizing
Inside not only play Fe2O3Reducing agent can also serve as the fuel of supplemental heat source, by using the interior mode with fuel, can make
Energy utilization is abundant, has saved energy consumption；Air-cooled technique after the completion of roasting can reduce the adhesion rate between haydite, improve production
The yield rate of product.
According to specific embodiment of the utility model, the roasting system also includes preheating stove, the preheating stove point
It is not connected with the drying device and one-level heating furnace kiln, dry bulb is rolled into a ball and carries out the pre-heat treatment；The heating speed of the preheating stove
Degree is less than 20 DEG C/min, is warming up to 600-800 DEG C, the one-level heating furnace kiln temperature is constantly between 1300-1400 DEG C.
According to specific embodiment of the utility model, the cooling device includes quenching apparatus and annealing device, wherein, institute
State quenching apparatus with the reheating stove to be connected, make the fast rapid hardening in its surface for the pelletizing after roasting to be carried out into quenching
Gu the annealing device is connected with the quenching apparatus, handled for the pelletizing after chilling to be carried out into slow cooling down to room temperature.
According to specific embodiment of the utility model, the quenching apparatus is air cooling equipment.
According to specific embodiment of the utility model, in addition to lapping device, the lapping device and the batch mixer
Entrance is connected, for material to be ground into processing.
According to specific embodiment of the utility model, in addition to drying unit and screening plant；Wherein, the drying unit
It is connected with the entrance of the lapping device, for row after material is carried out into drying and processing into lapping device；The screening plant
Respectively with the exporting of the lapping device, the entrance of the batch mixer is connected, for the material after grinding to be carried out into screening process,
Ensure that the material particles for carrying out mixing treatment meet to require.
According to specific embodiment of the utility model, it is characterised in that the sieve of the screening plant sieves for 0.074mm.
Meanwhile the utility model additionally provides a kind of life for utilizing the above-mentioned apparatus system for improving the swollen rate of red mud porcelain granule burning
Production method, comprises the following steps：
(1) mixing treatment：Red mud, flyash, gangue, clay and blue carbon dust are weighed as haydite matrix material, is weighed
Matrix material is added in matrix material batch mixer as cladding material and carries out mixing treatment, cladding is expected by feldspar and/or quartz
It is added in cladding material batch mixer and carries out mixing treatment；
(2) ball processing processed：First, the haydite matrix material after the completion of batch mixing is added in disc balling machine and carried out at ball processed
Reason, haydite matrix material is made to the spheroid of haydite wet bulb group, then, the cladding material after the completion of batch mixing is added into disc balling machine
Middle progress wet bulb group cladding processing, is made into the surface coating layer of haydite wet bulb group, obtains with well mixed haydite matrix
Material expects to be used as the wet bulb group of surface coating layer as spheroid, using cladding；
(3) drying process：Haydite wet bulb group is added in drying device, processing is dried, obtains haydite dry bulb group；
(4) calcination process：Haydite dry bulb group is added in roasting system, carried out successively by preheating stove at preheating
Reason, one-level heating furnace kiln, which carry out heating, makes the rapid cooling processing of the fusing of its surface coating layer, intermediate zone progress make clad
Glaze paint after glazing coats whole haydite pelletizing, two level heating furnace kiln carries out calcination process, obtains haydite pelletizing；
(5) cooling treatment：After the completion of haydite pellet roasting, it is directly entered cooling device and carries out cooling treatment.
According to specific embodiment of the utility model, the content of each haydite matrix material is in step (1)：Red mud 40-
60 parts, flyash 20-40 parts, gangue 10-20 parts, clay 5-10 parts, blue carbon dust 1-5 parts；Haydite matrix material carries out batch mixing
Before processing also includes pre-treatment step：Each raw material sequentially enters drying unit progress drying and processing, lapping device is ground
Processing, screening plant carry out screening process so that whole raw materials can completely by after the 0.074mm of screening plant sieve again
Mixing treatment is carried out into batch mixer；Cladding material is pre-processed before carrying out mixing treatment：Each raw material sequentially enters drying
Device carries out drying and processing, lapping device is ground processing, screening plant carries out screening process so that whole raw materials can be complete
Mixing treatment is carried out in batch mixer full by being entered back into after the 0.074mm sieves of the screening plant.
According to specific embodiment of the utility model, the spheroid of haydite wet bulb group is made in haydite matrix material in step (2)
Preparation process be：Ceramic matrix material after the completion of batch mixing is added in disc balling machine, adds water, Yu Yuan with the mode of spraying
1-3mm mother bulb is made in disk pelletizer, then, while the ceramic matrix material for Jia Shui and Jia mixing of spraying, mother bulb is grown up,
It is made into the spheroid of 8-15mm haydite wet bulb group；The preparation process of the surface coating layer of haydite wet bulb group is made in cladding material
For：After the spheroid of haydite wet bulb group is made, spraying adds the cladding material that water is added after batch mixing simultaneously, coats material by haydite matrix material
Manufactured spherome surface cladding is got up, coating thickness 0.5-2mm, obtains being made the surface coating layer of haydite wet bulb group；
The condition of drying process in step (3) is：Drying temperature is 105 DEG C, drying time 24h；
The pre-heat treatment condition of preheating stove in step (4) is：Programming rate is 20 DEG C/below min, is warming up to 600-
800 DEG C, 0.5-1h is incubated between 600-800 DEG C；The condition that one-level heating furnace kiln is heated is：One-level heating furnace kiln
Temperature is constantly between 1300-1400 DEG C, and the pelletizing after preheating enters one-level heating furnace kiln roasting 2-5 minutes；Two level heats
Stove carry out calcination process condition be：Two level heating furnace kiln temperature is constantly between 1100-1300 DEG C, through one-level heating furnace
Haydite pelletizing after kiln roasting enters two level heating furnace kiln roasting 5-30 minutes；
The condition of cooling treatment in step (5) is：Ease up cold treatment including quenching, wherein, haydite pellet roasting
After the completion of, it is directly entered quenching apparatus and carries out quenching, haydite is cooled to less than 400 DEG C；Then, quenching is completed
Haydite, slow cooling processing is carried out into annealing device, is cooled to room temperature, collecting packing.
The beneficial effects of the utility model are as follows：
(1) a kind of apparatus system for improving red mud porcelain granule and burning swollen rate of the utility model, using the roasting system of innovation, makes ball
Group's glazing before firing, coats pelletizing completely, makes gas caused by inside pelletizing be not easy to escape, the burning for improving red mud porcelain granule is swollen
Rate.
(2) a kind of apparatus system for improving red mud porcelain granule and burning swollen rate of the utility model, by using solid waste conduct
Primary raw material, utilize the Fe in red mud2O3Resource, using Fe2O3Foaming agent is used as with carbon reaction, instead of tradition with carbonate
For foaming agent, resource is saved, moreover, carbon not only plays Fe in pelletizing2O3Reducing agent can also serve as the combustion of supplemental heat source
Material, by using the interior mode with fuel, can make energy utilization abundant, save energy consumption.
(3) a kind of apparatus system for improving red mud porcelain granule and burning swollen rate of the utility model, the air-cooled technique after the completion of roasting can
To reduce the adhesion rate between haydite, the yield rate of product is improved.
Brief description of the drawings
Fig. 1 is process chart of the present utility model.
Fig. 2 is the flow chart of the utility model apparatus system.
Embodiment
Embodiment of the present utility model is described below in detail.The embodiments described below is exemplary, is only used for explaining
The utility model, and it is not intended that to limitation of the present utility model.Unreceipted particular technique or condition in embodiment, according to
Technology or condition described by document in the art are carried out according to product description.Agents useful for same or the unreceipted life of instrument
Manufacturer person is produced, being can be by the conventional products of acquisition purchased in market.
In description of the present utility model, it is to be understood that term " first ", " second " are only used for describing purpose, and
It is not intended that instruction or hint relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define
One or more this feature can be expressed or be implicitly included to the feature of " first ", " second ".Of the present utility model
In description, " multiple " are meant that two or more, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
According to one side of the present utility model, the utility model provides a kind of device for improving red mud porcelain granule and burning swollen rate
System, including batch mixer, disc balling machine, drying device, roasting system and cooling device；Wherein, the batch mixer, for inciting somebody to action
Material, which carries out mixing treatment, makes it well mixed；The disc balling machine is connected with the batch mixer, for by material system
Ball is handled to obtain using well mixed haydite matrix material as spheroid, the wet bulb group of surface coating layer is used as using cladding material；Institute
State drying device with the disc balling machine to be connected, dry bulb group is obtained for wet bulb group to be dried into processing；The roasting system
System is connected with the drying device, and it includes one-level heating furnace kiln, intermediate zone and two level heating furnace kiln, the one-level heating furnace kiln
Dry bulb group is carried out into heating melts its surface coating layer, and the intermediate zone is connected with the one-level heating furnace kiln, by table
Dry bulb group after roll cover fusing cools rapidly in intermediate zone, and the surface coating layer glazing of fusing makes glaze paint coat whole haydite
Pelletizing, the reheating stove and the transition band connection, the haydite of glazing is subjected to calcination process in reheating stove；
The cooling device is connected with the two level heating furnace kiln, for the pelletizing after roasting to be carried out into cooling treatment.
Inventor has found that a kind of raising red mud porcelain granule of the utility model burns the apparatus system of swollen rate, using the roasting of innovation
System, make pelletizing glazing before firing, coat pelletizing completely, make gas caused by inside pelletizing be not easy to escape, improve red mud
The swollen rate of burning of haydite；The apparatus system, as primary raw material, utilizes the Fe in red mud by using solid waste2O3Resource, adopt
Use Fe2O3Foaming agent is used as with carbon reaction, tradition is instead of using carbonate as foaming agent, resource has been saved, moreover, carbon is in pelletizing
Inside not only play Fe2O3Reducing agent can also serve as the fuel of supplemental heat source, by using the interior mode with fuel, can make
Energy utilization is abundant, has saved energy consumption；Air-cooled technique after the completion of roasting can reduce the adhesion rate between haydite, improve production
The yield rate of product.
A kind of apparatus system for improving red mud porcelain granule and burning swollen rate provided by the utility model, including roasting system, for inciting somebody to action
Haydite dry bulb group carries out calcination process.According to specific embodiment of the utility model, the entrance of the roasting system is done with described
The outlet connection of dry device, the dry bulb group for the drying device to be discharged, which is transported in the roasting system, to be carried out at roasting
Reason；The outlet of the roasting system is connected with the entrance of the cooling device, for will be carried out in the roasting system at roasting
Pelletizing after reason, which is discharged into the cooling device, carries out cooling treatment, and thus, the apparatus system passes through cold after the completion of roasting
But technique, the adhesion rate between haydite can be reduced, improves the yield rate of product.
According to specific embodiment of the utility model, the construction of the roasting system is not particularly limited, as long as can be right
Pelletizing is calcined after carrying out glazing.The roasting system includes preheating stove, one-level heating furnace kiln, intermediate zone and two level heating
Stove, wherein, the preheating stove is connected with the drying device, carries out the pre-heat treatment for dry bulb to be rolled into a ball, the one-level adds
Hot stove kiln is connected with the preheating stove, melts its surface coating layer for the dry bulb group after preheating to be carried out into heating,
The intermediate zone is connected with the one-level heating furnace kiln, and glaze is carried out for the rapid cooling of dry bulb group after surface coating layer is melted
Change processing makes glaze paint coat whole haydite pelletizing, ensures that gas caused by haydite pelletizing internal-response is not easy to escape and improve its burning
Swollen rate, the reheating stove and the transition band connection, for the haydite of glazing to be carried out into calcination process.Further,
The programming rate of the preheating stove is less than 20 DEG C/min, is warming up to 600-800 DEG C, the one-level heating furnace kiln temperature is located always
Between 1300-1400 DEG C.
The specific work process of the roasting system is as follows：Haydite dry bulb is rolled into a ball and is sent into roasting system, first, at drying
Haydite dry bulb group after reason be transported to preheating stove in carries out the pre-heat treatment, by more slow programming rate (20 DEG C/min with
Under) it is heated up, to haydite dry bulb, group preheats；Then, the haydite dry bulb group after preheating enters one-level and heated
In stove, the one-level heating furnace kiln temperature is constantly between 1300-1400 DEG C, Surface coating material is quickly entered after melting
Intermediate zone cools and glazing occurs, and obtains the haydite of glazing, and its glaze paint coats whole pelletizing, makes gas caused by pelletizing internal-response
Body is not easy to escape, so as to improve the swollen rate of the burning of haydite；Finally, due to intermediate zone connecting secondary heating furnace kiln, obtained glazing
Haydite, which enters in reheating stove, to be calcined, and haydite pelletizing is calcined certain time in reheating stove.Thus, the dress
The roasting system in system is put using the roasting system of innovation, makes pelletizing glazing before firing, coats pelletizing completely, make pelletizing
Gas caused by inside is not easy to escape, and improves the swollen rate of burning of red mud porcelain granule.
A kind of apparatus system for improving red mud porcelain granule and burning swollen rate provided by the utility model, including cooling device, it is described cold
But device is connected with the two level heating furnace kiln, for the pelletizing after roasting to be carried out into cooling treatment.According to of the present utility model
Specific embodiment, the cooling device include quenching apparatus and annealing device, the quenching apparatus and the reheating stove
It is connected, its surface is quickly solidified for the pelletizing after roasting to be carried out into quenching, the annealing device fills with the chilling
Put it is connected, for by after chilling pelletizing carry out slow cooling handle down to room temperature.Further, the quenching apparatus is air-cooled
Device, using wind as cooling medium to after roasting pelletizing carry out quenching, its surface is quickly solidified, prevent haydite by
Shunk in the effect of pressure.Thus, the apparatus system is between the air-cooled technique that material is completed after roasting can reduce haydite
Adhesion rate, improve the yield rate of product.
A kind of apparatus system of red mud production sintering-expanded haydite provided by the utility model, including drying device and pelletizing dress
Put, for well mixed haydite matrix material and Surface coating feed powder to be carried out into ball and drying and processing processed, obtain equal to mix
Even haydite matrix material expects to be used as the dry bulb group of surface coating layer as spheroid, using cladding.According to of the present utility model specific
Embodiment, the entrance of the palletizing device are connected with the batch mixer, handle, obtain for well mixed material to be carried out into ball processed
To the wet bulb group for being used as surface coating layer using well mixed haydite matrix material as spheroid, to coat material；The pelletizing dress
The outlet put is connected with the drying device, and dry bulb group is obtained for the wet bulb group to be dried into processing.Further, institute
It can be disc balling machine to state palletizing device；When disc balling machine is started working, first, add water with the mode of spraying, with mixed
Close uniform haydite matrix material and mother bulb is made in disc balling machine as raw material, then, while Jia Shui and Jia mixing of spraying
Uniform haydite matrix material, makes mother bulb grow up, is made into haydite wet bulb group, obtains with well mixed haydite matrix material
The spheroid that haydite wet bulb as raw material is rolled into a ball, finally, after the spheroid of haydite wet bulb group is made, spraying plus water add cladding material simultaneously
Haydite wet bulb group cladding is got up, obtains one and be used as spheroid, Yi Bao using well mixed haydite matrix material by powder, cladding feed powder
Cover haydite wet bulb group of the material as surface coating layer.According to specific embodiment of the utility model, the entrance of the drying device
Outlet with the palletizing device is connected, and the outlet of the drying device is connected with the entrance of the calciner, for will be with
Place is dried as spheroid, using the haydite wet bulb group of cladding material as surface coating layer in well mixed haydite matrix material
Reason, obtains dry bulb group.Further, the type of the drying device is not particularly limited, as long as can roll into a ball wet bulb in low temperature
Under the conditions of carry out drying and processing, such as the drying device can be baking oven.
The utility model provides a kind of apparatus system for improving red mud porcelain granule and burning swollen rate, including feed system, it is described enter
Material system is connected with the disc balling machine, for being transported to after haydite matrix material is pre-processed in disc balling machine.
According to specific embodiment of the utility model, the feed system includes batch mixer, the outlet of the batch mixer and the disk
The entrance of pelletizer, for haydite matrix material or cladding material to be carried out into mixed processing.The concrete operations side of the batch mixer
Method is：The haydite matrix material or cladding material for weighing certain mass are used as raw material, by each haydite matrix material or cladding
Material is added dispensing according to certain mass ratio, is discharged after being well mixed in the batch mixer.Further, it is described each
Haydite matrix material is red mud, flyash, gangue and clay；The mass ratio of above-mentioned each haydite matrix material is：Red mud 40-
60 parts, flyash 20-40 parts, gangue 10-20 parts, clay 5-10 parts, blue carbon dust 1-5 parts；The cladding material for feldspar powder and
At least one of silica flour.Thus, the use of solid waste is primary raw material, utilizes the Fe in red mud2O3Resource, use
Fe2O3Foaming agent is used as with carbon reaction, tradition is instead of using carbonate as foaming agent, resource has been saved, moreover, carbon is in pelletizing
Not only play Fe2O3Reducing agent can also serve as the fuel of supplemental heat source, using it is interior match somebody with somebody fuel by the way of, energy can be made sharp
With abundant, energy consumption has been saved.
According to specific embodiment of the utility model, the feed system also includes drying unit, lapping device and screening
Device, handled for fine grinding after being dried to haydite matrix material or cladding material, and be finely ground to whole haydite matrix materials
Material or cladding material can sieve completely.The drying unit is connected with the entrance of the lapping device, for by haydite matrix
Row is into lapping device after material or cladding material carry out drying and processing respectively；The lapping device respectively with the drying unit
Outlet be connected with the entrance of the screening plant, for by the haydite matrix material after drying or cladding material be respectively delivered to
Fine grinding is carried out in lapping device so that the particle of haydite matrix material or cladding material is more tiny, is advantageous to each haydite matrix
Storeroom or cladding material are uniformly mixed respectively；The screening plant respectively with the exporting of the lapping device, described mixed
The entrance of material machine is connected, and for the haydite matrix material after grinding or cladding material to be carried out into screening process respectively, ensures to carry out
The haydite matrix material or cladding material particle of mixing treatment meet to require.Further, the sieve of the screening plant is
0.074mm is sieved, hereby it is achieved that the fine grinding after drying by raw material, is finely ground to whole haydite matrix materials or cladding material energy
It is enough to be sieved completely by 0.074mm.
Meanwhile the utility model additionally provides a kind of life for utilizing the above-mentioned apparatus system for improving the swollen rate of red mud porcelain granule burning
Production method, comprises the following steps：
(1) mixing treatment：Red mud, flyash, gangue, clay and blue carbon dust are weighed as haydite matrix material, is weighed
Matrix material is added in matrix material batch mixer as cladding material and carries out mixing treatment, cladding is expected by feldspar and/or quartz
It is added in cladding material batch mixer and carries out mixing treatment.
According to specific embodiment of the utility model, the feed system also includes drying unit, lapping device, screening dress
Put and mixing device, for being dried successively to haydite matrix material, fine grinding, the pretreatment layer by layer of screening and mixing, obtain
Well mixed material.According to specific embodiment of the utility model, the entrance phase of the drying unit and the lapping device
Even, for row after haydite matrix material is carried out into drying and processing into lapping device；The lapping device respectively with the drying
The outlet of device is connected with the entrance of the screening plant, for the haydite matrix material after drying to be transported in lapping device
Carry out fine grinding so that the particle of haydite matrix material is more tiny, is advantageous to uniformly be mixed between each haydite matrix material；Institute
State screening plant respectively with the exporting of the lapping device, the entrance of the batch mixer is connected, for by the haydite base after grinding
Body material carries out screening process, ensures that the haydite substrate material particle for carrying out mixing treatment meets to require；The batch mixer goes out
The entrance of mouth and the disc balling machine, for haydite matrix material to be carried out into mixed processing.Further, in step (1)
Ceramic matrix material is：Red mud, flyash, gangue, clay and blue carbon dust；The content of above-mentioned each haydite matrix material is：
Red mud 40-60 parts, flyash 20-40 parts, gangue 10-20 parts, clay 5-10 parts, blue carbon dust 1-5 parts；The cladding material is length
At least one of stone flour and silica flour.Thus, the use of solid waste is primary raw material, utilizes the Fe in red mud2O3Resource,
Using Fe2O3Foaming agent is used as with carbon reaction, tradition is instead of using carbonate as foaming agent, resource has been saved, moreover, carbon is in ball
Fe is not only played in group2O3Reducing agent can also serve as the fuel of supplemental heat source, using it is interior match somebody with somebody fuel by the way of, can enable
Amount has saved energy consumption using fully.
The specific work process that haydite matrix material pre-processed before mixing treatment is as follows：Each raw material enters successively
Enter drying unit progress drying and processing, lapping device is ground processing, screening plant carries out screening process so that whole raw materials
Mixing treatment can be carried out in batch mixer by being entered back into after the 0.074mm sieves of the screening plant completely；Cladding material is mixed
Material before processing is pre-processed：Each raw material sequentially enters drying unit progress drying and processing, lapping device is ground processing,
Screening plant carries out screening process so that whole raw materials can be completely by entering back into after the 0.074mm sieves of the screening plant
Mixing treatment is carried out in batch mixer.Wherein, cladding material is the mixing of feldspar powder or silica flour or feldspar powder and silica flour
Thing；Hereby it is achieved that cladding is expected into the fine grinding after drying, being finely ground to whole haydite matrix materials can pass through completely
0.074mm is sieved.
(2) ball processing processed：First, the haydite matrix material after the completion of batch mixing is added in disc balling machine and carried out at ball processed
Reason, haydite matrix material is made to the spheroid of haydite wet bulb group, then, the cladding material after the completion of batch mixing is added into disc balling machine
Middle progress wet bulb group cladding processing, is made into the surface coating layer of haydite wet bulb group, obtains with well mixed haydite matrix
Material expects to be used as the wet bulb group of surface coating layer as spheroid, using cladding.It is described to make according to specific embodiment of the utility model
The entrance of ball device is connected with the batch mixer, handles, is obtained with well mixed for well mixed material to be carried out into ball processed
Haydite matrix material as spheroid, using cladding material be used as surface coating layer wet bulb group；The outlet of the palletizing device and institute
State drying device to be connected, dry bulb group is obtained for the wet bulb group to be dried into processing.Further, the palletizing device can
To be disc balling machine；When disc balling machine is started working, first, add water with the mode of spraying, with well mixed haydite
Matrix material makes mother bulb as raw material in disc balling machine, then, while haydite base well mixed Jia Shui and Jia of spraying
Body material, makes mother bulb grow up, and is made into haydite wet bulb group, obtains the pottery using well mixed haydite matrix material as raw material
The spheroid of grain wet bulb group, finally, after the spheroid of haydite wet bulb group is made, spraying plus water add cladding feed powder simultaneously, coat feed powder
Haydite wet bulb group cladding is got up, one is obtained and is used as table using well mixed haydite matrix material as spheroid, using cladding material
The haydite wet bulb group of roll cover.Further, the preparation of the spheroid of haydite wet bulb group is made in haydite matrix material in step (2)
Process is：Ceramic matrix material after the completion of batch mixing is added in disc balling machine, adds water with the mode of spraying, in disk pelletizing
1-3mm mother bulb is made in machine, then, while the ceramic matrix material for Jia Shui and Jia mixing of spraying, mother bulb is grown up, made
The spheroid rolled into a ball into 8-15mm haydite wet bulb；Coating the preparation process for expecting to be made the surface coating layer that haydite wet bulb is rolled into a ball is：It is made
After the spheroid of haydite wet bulb group, spraying adds the cladding material that water is added after batch mixing simultaneously, and cladding material is by made of haydite matrix material
Spherome surface cladding is got up, coating thickness 0.5-2mm, obtains being made the surface coating layer of haydite wet bulb group.
(3) drying process：Haydite wet bulb group is added in drying device, processing is dried, obtains haydite dry bulb group.
According to specific embodiment of the utility model, the outlet phase of the entrance of the drying device and the palletizing device
Even, the outlet of the drying device is connected with the entrance of the calciner, for by with well mixed haydite matrix material
Processing is dried as spheroid, using the haydite wet bulb group of cladding material as surface coating layer, obtains dry bulb group.Further,
The type of the drying device is not particularly limited, and drying and processing is carried out under cryogenic as long as can roll into a ball wet bulb,
Such as the drying device can be baking oven.The condition of drying process in the step (3) is：Drying temperature is 105 DEG C, is dried
The dry time is 24h.
(4) calcination process：Haydite dry bulb group is added in roasting system, carried out successively by preheating stove at preheating
Reason, one-level heating furnace kiln, which carry out heating, makes the rapid cooling processing of the fusing of its surface coating layer, intermediate zone progress make clad
Glaze paint after glazing coats whole haydite pelletizing, two level heating furnace kiln carries out calcination process, obtains haydite pelletizing.
According to specific embodiment of the utility model, the outlet of the entrance of the roasting system and the drying device connects
Connect, the dry bulb group for the drying device to be discharged, which is transported in the roasting system, carries out calcination process；The roasting system
The outlet of system is connected with the entrance of the cooling device, for the pelletizing after progress calcination process in the roasting system to be discharged
Cooling treatment is carried out into the cooling device, thus, the apparatus system can reduce by the cooling technique after the completion of roasting
Adhesion rate between haydite, improve the yield rate of product.
According to specific embodiment of the utility model, the roasting system includes preheating stove, one-level heating furnace kiln, transition
Band and two level heating furnace kiln, wherein, the preheating stove is connected with the drying device, for dry bulb group to be carried out at preheating
Reason, the one-level heating furnace kiln are connected with the preheating stove, make its table for the dry bulb group after preheating to be carried out into heating
Roll cover is melted, and the intermediate zone is connected with the one-level heating furnace kiln, for the dry bulb group after surface coating layer is melted
Rapid cooling, which carries out glazing processing, makes glaze paint coat whole haydite pelletizing, ensures that gas caused by haydite pelletizing internal-response is not easy
Escape and improve it and burn swollen rate, the reheating stove and the transition band connection, for the haydite of glazing to be calcined
Processing.Further, the pre-heat treatment condition of the preheating stove in step (4) is：Programming rate is 20 DEG C/below min, heating
To 600-800 DEG C, 0.5-1h is incubated between 600-800 DEG C；The condition that one-level heating furnace kiln is heated is：One-level adds
Hot kiln temperature is constantly between 1300-1400 DEG C, and the pelletizing after preheating enters one-level heating furnace kiln roasting 2-5 minutes；Two
Level heating furnace kiln carry out calcination process condition be：Two level heating furnace kiln temperature is constantly between 1100-1300 DEG C, through one-level
Haydite pelletizing after heating furnace kiln roasting enters two level heating furnace kiln roasting 5-30 minutes；
The specific work process of the roasting system is as follows：Haydite dry bulb is rolled into a ball and is sent into roasting system, first, at drying
Haydite dry bulb group after reason be transported to preheating stove in carries out the pre-heat treatment, by more slow programming rate (20 DEG C/min with
Under) it is heated up, to haydite dry bulb, group preheats；Then, the haydite dry bulb group after preheating enters one-level and heated
In stove, the one-level heating furnace kiln temperature is constantly between 1300-1400 DEG C, Surface coating material is quickly entered after melting
Intermediate zone cools and glazing occurs, and obtains the haydite of glazing, and its glaze paint coats whole pelletizing, makes gas caused by pelletizing internal-response
Body is not easy to escape, so as to improve the swollen rate of the burning of haydite；Finally, due to intermediate zone connecting secondary heating furnace kiln, obtained glazing
Haydite, which enters in reheating stove, to be calcined, and haydite pelletizing is calcined certain time in reheating stove.Thus, the dress
The roasting system in system is put using the roasting system of innovation, makes pelletizing glazing before firing, coats pelletizing completely, make pelletizing
Gas caused by inside is not easy to escape, and improves the swollen rate of burning of red mud porcelain granule.
(5) cooling treatment：After the completion of haydite pellet roasting, it is directly entered cooling device and carries out cooling treatment.
According to specific embodiment of the utility model, the cooling device includes quenching apparatus and annealing device, wherein, institute
State quenching apparatus with the reheating stove to be connected, make the fast rapid hardening in its surface for the pelletizing after roasting to be carried out into quenching
Gu the annealing device is connected with the quenching apparatus, handled for the pelletizing after chilling to be carried out into slow cooling down to room temperature.
Further, the quenching apparatus is air cooling equipment, and quenching is carried out to the pelletizing after roasting as cooling medium using wind,
Its surface is quickly solidified, prevent haydite from being shunk due to the effect of pressure.Further, cooling treatment in step (5)
Condition is：Ease up cold treatment including quenching, wherein, after the completion of haydite pellet roasting, be directly entered quenching apparatus carry out it is anxious
Cold treatment, haydite is cooled to less than 400 DEG C；Then, the haydite that quenching is completed, carried out into annealing device at slow cooling
Reason, is cooled to room temperature, collecting packing.
Inventor has found that a kind of raising red mud porcelain granule of the utility model burns the apparatus system of swollen rate, using the roasting of innovation
System, make pelletizing glazing before firing, coat pelletizing completely, make gas caused by inside pelletizing be not easy to escape, improve red mud
The swollen rate of burning of haydite；The apparatus system, as primary raw material, utilizes the Fe in red mud by using solid waste2O3Resource, adopt
Use Fe2O3Foaming agent is used as with carbon reaction, tradition is instead of using carbonate as foaming agent, resource has been saved, moreover, carbon is in pelletizing
Inside not only play Fe2O3Reducing agent can also serve as the fuel of supplemental heat source, by using the interior mode with fuel, can make
Energy utilization is abundant, has saved energy consumption；Air-cooled technique after the completion of roasting can reduce the adhesion rate between haydite, improve production
The yield rate of product.
Embodiment one
Matrix material is by 40 parts of red mud from sintering process, 30 parts of fine coal ashes, 15 parts of gangue, 10 parts of clay, blue carbon dust 5
Part, be respectively dried and after ball milling, by 200 mesh square hole screens, cladding material crosses 200 mesh square hole screens for feldspar powder, matrix material in
8-12mm haydite wet bulb group, the spraying of haydite wet bulb group plus water is made in water spray in disc balling machine, and adding cladding feed powder makes pelletizing
Surface obtains 1-3mm clad, and haydite wet bulb group is put into drying baker and dried, 105 DEG C of drying temperature, dries 24h, dries
Haydite pelletizing afterwards is preheated to 800 DEG C in preheating furnace, and the pelletizing after preheating is sent into 1350 DEG C of one-level heating furnace, surface glazing
It is sent into drying grate and is calcined afterwards, roasting system is 1200 DEG C of maximum temperature, is calcined 30min.Less than 400 DEG C are chilled to after burning till.
Manufactured haydite meets the requirement of national standard GB/T 1743.1-2010 standards, can be used as concrete light aggregate.
Embodiment two
Matrix material is 5 parts of the clay by 60 parts of Bayer process red mud, 20 parts of fine coal ashes, 10 parts of gangue, 5 parts of blue carbon dust,
It is respectively dried and after ball milling, 200 mesh square hole screens is crossed for feldspar powder by 200 mesh square hole screens, cladding material, matrix material is in disk
10-15mm haydite wet bulb group, the spraying of haydite wet bulb group plus water is made in water spray in pelletizer, and adding cladding feed powder makes pelletizing surface
1-3mm clad is obtained, haydite wet bulb group is put into drying baker and dried, 105 DEG C of drying temperature, dries 24h, it is dried
Haydite pelletizing is preheated to 800 DEG C in preheating furnace, and the pelletizing after preheating is sent into 1300 DEG C of one-level heating furnace, is sent after surface glazing
Enter roller-way roasting in kilns, roasting system is 1250 DEG C of maximum temperature, is calcined 15min.Less than 400 DEG C are chilled to after burning till.It is made
Haydite meet the requirements of national standard GB/T 1743.1-2010 standards, can be used as concrete light aggregate.
The utility model is described in detail above, used herein principle and implementation of the embodiment to the application
Mode is set forth, and the explanation of above example is only intended to help and understands the present processes and its core concept；Meanwhile
For those of ordinary skill in the art, according to the thought of the application, have change in specific embodiments and applications
Become part, in summary, this specification content should not be construed as the limitation to the application.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.Although embodiment of the present utility model has been shown and described above, it is to be understood that above-mentioned implementation
Example is exemplary, it is impossible to is interpreted as to limitation of the present utility model, one of ordinary skill in the art is of the present utility model
In the range of above-described embodiment can be changed, change, replace and modification.
Claims (7)
1. a kind of apparatus system for improving red mud porcelain granule and burning swollen rate, it is characterised in that including batch mixer, disc balling machine, drying
Device, roasting system and cooling device；Wherein,
The batch mixer, for being well mixed it material progress mixing treatment；
The disc balling machine is connected with the batch mixer, handles to obtain with well mixed haydite for material to be carried out into ball processed
Matrix material expects to be used as the wet bulb group of surface coating layer as spheroid, using cladding；
The drying device is connected with the disc balling machine, and dry bulb group is obtained for wet bulb group to be dried into processing；
The roasting system is connected with the drying device, and it includes one-level heating furnace kiln, intermediate zone and two level heating furnace kiln, institute
Stating one-level heating furnace kiln dry bulb group is carried out into heating melts its surface coating layer, and the intermediate zone and the one-level heat
Stove connects, and the dry bulb group after surface coating layer is melted cools rapidly in intermediate zone, and the surface coating layer glazing of fusing makes glaze
Bread covers whole haydite pelletizing, the two level heating furnace kiln and the transition band connection, by the haydite of glazing in two level heating furnace
Kiln carries out calcination process；
The cooling device is connected with the two level heating furnace kiln, for the pelletizing after roasting to be carried out into cooling treatment.
A kind of 2. apparatus system for improving red mud porcelain granule and burning swollen rate as claimed in claim 1, it is characterised in that the roasting system
System also include preheating stove, it is described preheating stove be connected respectively with the drying device and one-level heating furnace kiln, by dry bulb roll into a ball into
Row the pre-heat treatment；The programming rate of the preheating stove is less than 20 DEG C/min, is warming up to 600-800 DEG C, the one-level heating furnace
Kiln temperature degree is constantly between 1300-1400 DEG C.
A kind of 3. apparatus system for improving red mud porcelain granule and burning swollen rate as claimed in claim 1, it is characterised in that the cooling dress
Put including quenching apparatus and annealing device, wherein, the quenching apparatus is connected with the two level heating furnace kiln, for it will be calcined after
Pelletizing carry out quenching and its surface is quickly solidified, the annealing device is connected with the quenching apparatus, for by chilling
Pelletizing afterwards carries out slow cooling and handled down to room temperature.
A kind of 4. apparatus system for improving red mud porcelain granule and burning swollen rate as claimed in claim 3, it is characterised in that the chilling dress
It is set to air cooling equipment.
5. a kind of apparatus system for improving red mud porcelain granule and burning swollen rate as claimed in claim 1, it is characterised in that also include grinding
Device, the lapping device are connected with the entrance of the batch mixer, for material to be ground into processing.
6. a kind of apparatus system for improving red mud porcelain granule and burning swollen rate as claimed in claim 5, it is characterised in that also include drying
Device and screening plant；Wherein, the drying unit is connected with the entrance of the lapping device, for material to be carried out at drying
Row is into lapping device after reason；The screening plant respectively with the exporting of the lapping device, the entrance of the batch mixer is connected,
For the material after grinding to be carried out into screening process, ensure that the material particles for carrying out mixing treatment meet to require.
A kind of 7. apparatus system for improving red mud porcelain granule and burning swollen rate as claimed in claim 6, it is characterised in that the screening dress
The sieve put sieves for 0.074mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039044.0U CN207130167U (en) | 2017-08-18 | 2017-08-18 | A kind of apparatus system for improving red mud porcelain granule and burning swollen rate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039044.0U CN207130167U (en) | 2017-08-18 | 2017-08-18 | A kind of apparatus system for improving red mud porcelain granule and burning swollen rate |
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| CN207130167U true CN207130167U (en) | 2018-03-23 |
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| CN201721039044.0U Expired - Fee Related CN207130167U (en) | 2017-08-18 | 2017-08-18 | A kind of apparatus system for improving red mud porcelain granule and burning swollen rate |
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| Country | Link |
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