CN107857561A - A kind of production method that clinker bricks in environmental protection is fired using architecture sediment and industrial residue - Google Patents
A kind of production method that clinker bricks in environmental protection is fired using architecture sediment and industrial residue Download PDFInfo
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- CN107857561A CN107857561A CN201710888395.7A CN201710888395A CN107857561A CN 107857561 A CN107857561 A CN 107857561A CN 201710888395 A CN201710888395 A CN 201710888395A CN 107857561 A CN107857561 A CN 107857561A
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
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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
- C04B33/00—Clay-wares
- C04B33/32—Burning methods
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6562—Heating rate
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6565—Cooling rate
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
- C04B2235/661—Multi-step sintering
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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
- 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
- Y02P40/60—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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- Ceramic Engineering (AREA)
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- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of production method that clinker bricks in environmental protection is fired using architecture sediment and industrial residue, the production method of the clinker bricks in environmental protection comprises the following steps that：S1：Architecture sediment is crushed；S2：Graininess architecture sediment carries out dedusting；S3：Graininess architecture sediment stirs, mixture A；S4：Industrial residue crushes；S5：Mixture B is obtained after stirring fully；S6：Mixture A and mixture B are stirred, obtain mixture C；S7：Mixture C extrusion molding, obtains base substrate；S8：Base substrate is placed in curing with carbon dioxide case and conserved, S9：No-firing brick is dried；S10：The no-firing brick obtained in S9 is sent into tunnel cave and is calcined, the beneficial effects of the invention are as follows：Preparation technology is simple, reduces energy consumption, shortens preparation time, can consume the carbon dioxide for causing global greenhouse effect, has positive effect to solving greenhouse effects, rationally using resource, saves brick making cost, higher economic benefit is obtained while solving environmental issue.
Description
Technical field
The present invention relates to clinker bricks in environmental protection production technical field, is specially that one kind is fired using architecture sediment and industrial residue
The production method of clinker bricks in environmental protection.
Background technology
China's building trade is huge to the demand of fired brick, and it is to utilize to take farmland clay through burning to prepare fired brick in the past
Knot is made, thus causes soil resource to be largely lost in, and it is quite serious to ruin field phenomenon.
Country has forbidden using and producing for clay solid brick at present, using riverslakes sludge or architecture sediment brickmaking into
To substitute the trend of clay-brickmaking.
With the continuous speed-raising of urbanization process, architecture sediment increases into geometry step velocity；Process of industrialization constantly pushes away
Enter, the growth rate of industrial residue is very fast, so its recycling turns into the problem of in the urgent need to address.
According to architecture sediment and industrial residue support fired brick, the effect of arriving very much, China are played to the utilization of resources and environmental protection
Also having in the rubbish of town and country much can be with the resource of secondary use, the waste residue, the building waste that are sorted out in such as house refuse, such as
What better profits from these resources, realizes the innoxious of town and country garbage disposal, minimizing, recycling, also turns into society now and closes
One of focus of note, cement is generally used as binding agent in existing non-sintered shaped brick, and the time conserved is all very long, extremely
Take 7 days less, more needs tens days are with steam press maintenance energy consumption still very high without using cement, needing again, fired brick it is normal
It is clay, shale, gangue and flyash etc. with raw material, and whether architecture sediment and industrial residue can substitute above-mentioned fired brick original
Material, turns into the content this invention address that studying.
The content of the invention
It is an object of the invention to provide a kind of producer that clinker bricks in environmental protection is fired using architecture sediment and industrial residue
Method, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme：One kind is fired using architecture sediment and industrial residue
The production method of clinker bricks in environmental protection, the production method of the clinker bricks in environmental protection comprise the following steps that：
S1：Architecture sediment is put into large-scale reducing mechanism using conveying device and crushed, grinding time 10-
20min, architecture sediment is ground into graininess；
S2：Dedusting is carried out to the graininess architecture sediment of acquisition in step S1 crushing process, airborne dust will be crushed using blower fan
Pump into pond；
S3：The graininess architecture sediment obtained in step S2 is transported in agitator tank, thrown while stirring into agitator tank
Enter the clay after metal oxide, water, crushing and the gangue after crushing, stir and obtain mixture A；
S4：Industrial residue is put into large-scale reducing mechanism using conveying device and crushed, grinding time 10-
20min, industrial residue particle diameter reach 120 μm~150 μm；
S5：The industrial residue obtained in S4 is stirred, and adds metal oxide while stirring and water, mixing time are
20-30min, mixture B is obtained after stirring fully；
S6：Mixture A and mixture B are stirred, mixing time 30-50min, obtain mixture C；
S7：The mixture C obtained in S6 is delivered to assembly room, agitated extruder, fine cracking double roller machine enter back into double
Level vacuum extruder extrusion molding, obtains base substrate；
S8：The base substrate obtained in S7 is placed in curing with carbon dioxide case and conserved, curing time is 2-3 days, is taken out immediately
Obtain no-firing brick；
S9：The no-firing brick obtained in S8 is sent into hothouse through drying cart to be dried, the drying time 65~
85min, 150~190 DEG C of drying temperature, the moisture content of dried no-firing brick is 2~3%；
S10：The no-firing brick that is obtained in S9 is sent into tunnel cave and is calcined, and roasting time is 65~85min, sintering temperature
For 850~1050 DEG C.
Preferably, the raw material in the step S1 is crushed using jaw crusher, hammer mill, fine cracking double roller machine three-level
Broken, particle diameter is 2-5mm after crushing.
Preferably, raw materials by weight is in the step S3：Graininess architecture sediment 8~12%, metal oxidation
Thing 5~10%, clay 45~65%, gangue 16~22%, water 0.8~1.2%.
Preferably, the metal oxide added in the step S3 and S6 is one kind or more in alkaline earth oxide
Kind.
Preferably, the mixture C obtained in the step S6, it is delivered in ageing storehouse and is aged, the digestion time
For 60~80 hours.
Preferably, in the step S8, normal pressure is filled with carbon dioxide into casing.
Preferably, roasting process is in the step S10：First baking inphases, when being raised to 80 DEG C from ambient temperature, heating
Speed is 100 DEG C/h, is incubated 30-40min；Second baking inphases, warm temperature is from when being raised to 450 DEG C for 80 DEG C, programming rate
For 120 DEG C/h, 35-40min is incubated；3rd baking inphases, from when being raised to 850 DEG C for 450 DEG C, programming rate is warm temperature
130 DEG C/h, it is incubated 40-50min；4th baking inphases, from when being raised to 1050 DEG C for 850 DEG C, programming rate is warm temperature
150 DEG C/h, 3-4 hours are incubated, extremely into brick；5th baking inphases, when dropping to 100 DEG C from 1050 DEG C, cooling rate 200
DEG C/h, to kiln discharge.
Compared with prior art, the beneficial effects of the invention are as follows：Preparation technology is simple, reduces energy consumption, shortens preparation time,
The carbon dioxide for causing global greenhouse effect can be consumed, has positive effect to solving greenhouse effects, rationally utilizes resource, save system
Brick cost, higher economic benefit is obtained while solving environmental issue.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Embodiment 1
A kind of production method that clinker bricks in environmental protection is fired using architecture sediment and industrial residue, the production of the clinker bricks in environmental protection
Method comprises the following steps that：
S1：Architecture sediment is put into large-scale reducing mechanism using conveying device and crushed, grinding time 10-
20min, architecture sediment is ground into graininess；
S2：Dedusting is carried out to the graininess architecture sediment of acquisition in step S1 crushing process, airborne dust will be crushed using blower fan
Pump into pond；
S3：The graininess architecture sediment obtained in step S2 is transported in agitator tank, thrown while stirring into agitator tank
Enter the clay after metal oxide, water, crushing and the gangue after crushing, the speed of stirring is 20r/min, and stir acquisition
Mixture A；
S4：Industrial residue is put into large-scale reducing mechanism using conveying device and crushed, grinding time is
10min, industrial residue particle diameter reach 120 μm μm；
S5：The industrial residue obtained in S4 is stirred, and adds metal oxide while stirring and water, mixing time are
20min, the speed of stirring is 20r/min, and mixture B is obtained after stirring fully；
S6：Mixture A and mixture B are stirred, mixing time 30min, obtain mixture C；
S7：The mixture C obtained in S6 is delivered to assembly room, agitated extruder, fine cracking double roller machine enter back into double
Level vacuum extruder extrusion molding, obtains base substrate；
S8：The base substrate obtained in S7 is placed in curing with carbon dioxide case and conserved, curing time is 2 days, is taken out with producing
To no-firing brick；
S9：The no-firing brick obtained in S8 is sent into hothouse through drying cart to be dried, the drying time 65min,
150 DEG C of drying temperature, the moisture content of dried no-firing brick is 2%；
S10：The no-firing brick obtained in S9 is sent into tunnel cave and is calcined, roasting time 65min, and sintering temperature is
1050℃。
Raw material in the step S1 crushes to be crushed using jaw crusher, hammer mill, fine cracking double roller machine three-level, powder
Particle diameter is 2-5mm after broken.
Raw materials by weight is in the step S3：Graininess architecture sediment 8%, metal oxide 5%, clay
45%th, gangue 16%, water 0.8%.
The metal oxide added in the step S3 and S6 is a variety of in alkaline earth oxide.
The mixture C obtained in the step S6, it is delivered in ageing storehouse and is aged, the digestion time is 60 small
When.
In the step S8, normal pressure is filled with carbon dioxide into casing.
Roasting process is in the step S10：First baking inphases, when being raised to 80 DEG C from ambient temperature, programming rate is
100 DEG C/h, it is incubated 35min；Second baking inphases, warm temperature from when being raised to 450 DEG C for 80 DEG C, programming rate is 120 DEG C/
Hour, it is incubated 40min；3rd baking inphases, for warm temperature from when being raised to 850 DEG C for 450 DEG C, programming rate is 130 DEG C/h,
It is incubated 40min；4th baking inphases, warm temperature is from when being raised to 1050 DEG C for 850 DEG C, and programming rate is 150 DEG C/h, insulation 3
Hour, extremely into brick；5th baking inphases, when dropping to 100 DEG C from 1050 DEG C, cooling rate is 200 DEG C/h, to kiln discharge.
Embodiment 2
A kind of production method that clinker bricks in environmental protection is fired using architecture sediment and industrial residue, the production of the clinker bricks in environmental protection
Method comprises the following steps that：
S1：Architecture sediment is put into large-scale reducing mechanism using conveying device and crushed, grinding time is
20min, architecture sediment is ground into graininess；
S2：Dedusting is carried out to the graininess architecture sediment of acquisition in step S1 crushing process, airborne dust will be crushed using blower fan
Pump into pond；
S3：The graininess architecture sediment obtained in step S2 is transported in agitator tank, thrown while stirring into agitator tank
Enter the clay after metal oxide, water, crushing and the gangue after crushing, the speed of stirring is 30r/min, and stir acquisition
Mixture A；
S4：Industrial residue is put into large-scale reducing mechanism using conveying device and crushed, grinding time 10-
20min, industrial residue particle diameter reach 150 μm；
S5：The industrial residue obtained in S4 is stirred, and adds metal oxide while stirring and water, mixing time are
25min, the speed of stirring is 20r/min, and mixture B is obtained after stirring fully；
S6：Mixture A and mixture B are stirred, mixing time 45min, obtain mixture C；
S7：The mixture C obtained in S6 is delivered to assembly room, agitated extruder, fine cracking double roller machine enter back into double
Level vacuum extruder extrusion molding, obtains base substrate；
S8：The base substrate obtained in S7 is placed in curing with carbon dioxide case and conserved, curing time is 2 days, is taken out with producing
To no-firing brick；
S9：The no-firing brick obtained in S8 is sent into hothouse through drying cart to be dried, the drying time 70min,
180 DEG C of drying temperature, the moisture content of dried no-firing brick is 3%；
S10：The no-firing brick obtained in S9 is sent into tunnel cave and is calcined, roasting time 75min, and sintering temperature is
1050℃。
Raw material in the step S1 crushes to be crushed using jaw crusher, hammer mill, fine cracking double roller machine three-level, powder
Particle diameter is 5mm after broken.
Raw materials by weight is in the step S3：Graininess architecture sediment 12%, metal oxide 10%, clay
45%th, gangue 16%, water 1.2%.
The metal oxide added in the step S3 and S6 is one kind in alkaline earth oxide.
The mixture C obtained in the step S6, it is delivered in ageing storehouse and is aged, the digestion time is 70 small
When.
In the step S8, normal pressure is filled with carbon dioxide into casing.
Roasting process is in the step S10：First baking inphases, when being raised to 80 DEG C from ambient temperature, programming rate is
100 DEG C/h, it is incubated 40min；Second baking inphases, warm temperature from when being raised to 450 DEG C for 80 DEG C, programming rate is 120 DEG C/
Hour, it is incubated 40min；3rd baking inphases, for warm temperature from when being raised to 850 DEG C for 450 DEG C, programming rate is 130 DEG C/h,
It is incubated 40min；4th baking inphases, warm temperature is from when being raised to 1050 DEG C for 850 DEG C, and programming rate is 150 DEG C/h, insulation 4
Hour, extremely into brick；5th baking inphases, when dropping to 100 DEG C from 1050 DEG C, cooling rate is 200 DEG C/h, to kiln discharge.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (7)
- A kind of 1. production method that clinker bricks in environmental protection is fired using architecture sediment and industrial residue, it is characterised in that：The environmental protection is burnt The production method of knot brick comprises the following steps that：S1：Architecture sediment is put into large-scale reducing mechanism using conveying device and crushed, grinding time 10-20min, Architecture sediment is ground into graininess；S2：Dedusting is carried out to the graininess architecture sediment of acquisition in step S1 crushing process, pumped using blower fan by airborne dust is crushed Into pond；S3：The graininess architecture sediment obtained in step S2 is transported in agitator tank, puts into gold into agitator tank while stirring Belong to the clay after oxide, water, crushing and the gangue after crushing, stir and obtain mixture A；S4：Industrial residue is put into large-scale reducing mechanism using conveying device and crushed, grinding time 10-20min, Industrial residue particle diameter reaches 120 μm~150 μm；S5：The industrial residue obtained in S4 is stirred, and adds metal oxide and water, mixing time 20- while stirring 30min, mixture B is obtained after stirring fully；S6：Mixture A and mixture B are stirred, mixing time 30-50min, obtain mixture C；S7：The mixture C obtained in S6 is delivered to assembly room, agitated extruder, that fine cracking double roller machine enters back into twin-stage is true Empty extruder extrusion molding, obtains base substrate；S8：The base substrate obtained in S7 is placed in curing with carbon dioxide case and conserved, curing time is 2-3 days, and taking-up obtains immediately No-firing brick；S9：The no-firing brick obtained in S8 is sent into hothouse through drying cart to be dried, the 65~85min of drying time, 150~190 DEG C of drying temperature, the moisture content of dried no-firing brick is 2~3%；S10：The no-firing brick obtained in S9 is sent into tunnel cave and is calcined, and roasting time is 65~85min, and sintering temperature is 850~1050 DEG C.
- 2. a kind of production method that clinker bricks in environmental protection is fired using architecture sediment and industrial residue according to claim 1, It is characterized in that：Raw material in the step S1 crushes to be broken using jaw crusher, hammer mill, fine cracking double roller machine three-level Broken, particle diameter is 2-5mm after crushing.
- 3. a kind of production method that clinker bricks in environmental protection is fired using architecture sediment and industrial residue according to claim 1, It is characterized in that：Raw materials by weight is in the step S3：Graininess architecture sediment 8~12%, metal oxide 5~ 10%th, clay 45~65%, gangue 16~22%, water 0.8~1.2%.
- 4. a kind of production method that clinker bricks in environmental protection is fired using architecture sediment and industrial residue according to claim 1, It is characterized in that：The metal oxide added in the step S3 and S6 is the one or more in alkaline earth oxide.
- 5. a kind of production method that clinker bricks in environmental protection is fired using architecture sediment and industrial residue according to claim 1, It is characterized in that：The mixture C obtained in the step S6, it is delivered in ageing storehouse and is aged, the digestion time is 60 ~80 hours.
- 6. a kind of production method that clinker bricks in environmental protection is fired using architecture sediment and industrial residue according to claim 1, It is characterized in that：In the step S8, normal pressure is filled with carbon dioxide into casing.
- 7. a kind of production method that clinker bricks in environmental protection is fired using architecture sediment and industrial residue according to claim 1, It is characterized in that：Roasting process is in the step S10：First baking inphases, when being raised to 80 DEG C from ambient temperature, programming rate For 100 DEG C/h, 30-40min is incubated；Second baking inphases, from when being raised to 450 DEG C for 80 DEG C, programming rate is warm temperature 120 DEG C/h, it is incubated 35-40min；3rd baking inphases, warm temperature is from when being raised to 850 DEG C for 450 DEG C, programming rate 130 DEG C/h, it is incubated 40-50min；4th baking inphases, warm temperature is from when being raised to 1050 DEG C for 850 DEG C, programming rate 150 DEG C/h, 3-4 hours are incubated, extremely into brick；5th baking inphases, when dropping to 100 DEG C from 1050 DEG C, cooling rate be 200 DEG C/ Hour, to kiln discharge.
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|---|---|---|---|---|
| CN110668790A (en) * | 2019-11-14 | 2020-01-10 | 吉林省建筑材料工业设计研究院 | Paving brick and internal combustion sleeve firing manufacturing method |
| CN113336525A (en) * | 2021-04-29 | 2021-09-03 | 西安建筑科技大学 | Microwave-fired slag-soil brick and preparation method thereof |
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Application publication date: 20180330 |