CN101219560A - Serum pulping method and pulping equipment - Google Patents
Serum pulping method and pulping equipment Download PDFInfo
- Publication number
- CN101219560A CN101219560A CNA2008100138603A CN200810013860A CN101219560A CN 101219560 A CN101219560 A CN 101219560A CN A2008100138603 A CNA2008100138603 A CN A2008100138603A CN 200810013860 A CN200810013860 A CN 200810013860A CN 101219560 A CN101219560 A CN 101219560A
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- slurries
- calcareous
- raw material
- water
- cast
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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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention relates to a cement slurry casting and preparing method and equipment thereof, in particular to the preparation method and equipment of cement slurry which is fully blended and in dispersed solid grain status in the production of aerated concrete. The invention is characterized in that the calcium slurry solution and the silicon slurry solution are synchronously added to a casting mixer in the proportion of 2: 8-4:6 for blending, and then a foaming agent is added and mixed with the solution for 3-5 minutes. The slurry preparing and casting equipment consists of a casting mixer and a calcium slurry pulper which is arranged above the casting mixer. The produced slurry is fully mixed and shows a statue of dispersed grains, which improves the utilization of the calcium materials. The strength index can not be reduced if the calcium material is reduced by 5-10 percent based on the current proportion. The period of casting operation of each unit is shortened by 80 percent or so.
Description
Technical field
The present invention relates to a kind of cast slurries pulping process and pulping equipment, the preparation method and the pulping equipment of the cast slurries that during especially aerated concrete products is produced, fully mix, particulate form disperse.
Background technology
Aerated concrete products has various products such as building block, wallboard, roof boarding by the function branch; By the base stock branch a plurality of strains such as sand aerating, fly ash aerated, mine tailing aerating, (sand+flyash) aerating are arranged.Many advantages such as they are low with density, light weight, heat insulation, easy processing, waste residue utilization are promoted, and especially development is swift and violent since the building wall product forbidding clay brick.
No matter the sort of aerated concrete products, though which kind of technology school, all must be the core of the preparation of slurries as technology.This plasmoid humor contains siliceous, calcareous raw material, respective additive; In the pulping process, except that reacting on a small quantity, main flow is the three-phase mixture of the solid, liquid, gas attitude of tiny solid particle and water; The suspension body that certain segregation trend, certain diffusance are arranged.
The wellability of quartz sand powder and water is better, and the reaction under the normal temperature can be ignored.The wellability of flyash and water is relatively poor, and its hollow ball-shape particle absorbent time can continue tens hours.Cement and water generation hydration reaction, shorter to the survival time of initial set, lime and water generation hydration reaction, water absorbing capacity is very strong.The particulate pelletizing of cement, lime or its mixture runs into water, and at first outer layer surface reacts; After outer reaction finished substantially, inferior skin just might obtain the chance that contacts with water, began reaction with the speed that is lower than outer reaction.Outer, inferior skin, the 3rd skin react with water one by one, and speed reduces one by one; Each reaction product layer stops that moisture enters pelletizing inside, and each reaction product layer is wrapped in pelletizing, makes it to be difficult for breaking.The inside of pelletizing certain depth, reaction stops substantially.
Present aerated concrete products production line, no matter be domestic design, or introduce technology, the cast pulping process is all proceeded in two phases, and adds the powder stirring pulping among the slurry.Earlier particulate siliceous raw material (sand or flyash etc.) is made the initial slurry that ratio of water to material is 0.5-0.7, again cement, lime powder (be about siliceous raw material 30%) are added in the initial slurry, mix, wish to make abundant mixing, uniform slurry, be called for short " adding powder among the slurry ".As mentioned above, cement, lime powder are added to single aqueous phase, and the reaction of pelletizing inside has been difficult to carry out; The water accounts 0.5-0.7 of initial slurry, siliceous raw material accounts for 1, and the hydrone locomotivity is compared with single water, and low order of magnitude is difficult to diffusion, mixes.At present, the air entrained concrete industry is generally acknowledged, the water conservancy diversion cartridge type mixer that stirring efficiency is the highest, pay higher power consumption, more than shaft per minute 400 changes, more than linear velocity 6 meter per seconds, mixing time 6-8 minute, on the goods section, diameter 1-2 millimeter lime powdery pelletizing still gathered.
Reality and theory analysis, air entrained concrete hydrated product siliceous, the calcareous raw material reaction only accounts for about 40% of total overall reaction at present.It is one of its reason that the slurry that can not make abundant mixing, particulate form distribution is stirred in cast.
Existing cast stirring technique, mixing time is long before the cast, and the every unit process of this operation was for up to 6-8 minute.The idiosome cutting action, along with the technological progress of cutting machine, driving, every unit process time generally can shorten to about 5 minutes; Advanced unit was as cutting, the every unit process time average of driving associating unit of Sichuan Xin De machinery plant 3 minutes.Cast operation and cutting action disconnect, and production capacity does not seriously match.Therefore, the Design of Production Line that has has proposed the scheme of " a cover cutter sweep, configuration two cover cast are stirred ".Though can solve the production capacity matching problem, investment is big, floor space is big, pours into a mould the technological progress of stirring, the problem that shortens the time, and necessity of solution is arranged very much.
Summary of the invention
The technical problem to be solved in the present invention is: at above the deficiencies in the prior art, provide a kind of, make abundant mixing, contain a kind of cast slurries pulping process and the pulping equipment of thing admittedly with graininess, homodisperse aerated concrete products with lower power consumption.
The present invention will solve the technical scheme that its technical problem adopts: this a kind of cast slurries pulping process, the siliceous raw material slurries, it is characterized in that: with calcareous raw material slurries and siliceous raw material slurries in 2: 8-4: 6 ratio joins synchronously in the cast mixer and mixes, add blowing agent again, time 3-5 minute.
The ratio of water to material of siliceous raw material slurries is pressed 0.48-0.58 preparation, quantitatively joins in the cast mixer, and the calcareous raw material slurries that add are that quantitative cement and lime powder are prepared by the calcareous raw material pulper by the 0.68-0.82 ratio of water to material with water synchronously.
Aforesaid right requires the pulping equipment of 1 described cast slurries pulping process, it is characterized in that: pulping equipment comprises cast mixer and calcareous raw material pulper, and the calcareous raw material pulper is arranged on the top of cast mixer.
Pour into a mould mixer and comprise that stirring main shaft and blade, siliceous slurries add the slurries interpolation mouth of mouth, other additive interpolation mouth, heating steam inlet, calcareous raw material, the calcareous raw material pulper that is arranged on cast mixer top comprises interpolation water measuring tank, valve, pipeline force (forcing) pump that calcareous raw material slurrying uses, adds water ring pipe, calcareous powder charging aperture, stirring screw conveyer, on the slurries that helical stir carries tiltable to be installed in cast mixer calcareous raw material add mouthful.Valve, pipeline force (forcing) pump are installed on the inlet channel, inlet channel is provided with the interpolation water measuring tank topmost, the inlet channel lower end with add the water ring pipe and link to each other, add the water ring pipe ring around being fixed on outside stirring screw conveyer, calcareous powder charging aperture is arranged on the front end of stirring screw conveyer.
Calcareous raw material pulper or employing valve, the agitator of the calcareous slurries of preparation, calcareous powder conveying worm, calcareous powder blanking port, interpolation water measuring tank, valve is installed on the inlet channel that adds the water measuring tank below, water inlet pipe road junction, calcareous powder conveying worm are installed in the agitator top of the calcareous slurries of preparation, the agitator for preparing calcareous slurries is installed in the top of the slurries interpolation mouth of cast mixer calcareous raw material, and calcareous powder blanking port is arranged on the front end of calcareous powder conveying worm.
Operation principle
According to solid phase and the mixed mechanism that gets suspension of liquid phase substance, the infiltration of solid matter experience, dispersion, diffusion process form suspension with liquid phase substance.Soak into relevant with character, the surface appearance of solid matter; The suffered shearing force of dispersion process and solid matter is relevant; Diffusion process is relevant with the speed of related movement of solid matter and liquid phase substance.Improving the first-selection of infiltration, dispersion, diffuser efficiency approach, is the speed of related movement that improves the suffered shearing force of solid matter, improves solid matter and liquid phase substance.
The stirring screw conveyer that has agitating function after the present invention selects to improve.
In the end of stirring screw conveyer the powder import is set, import is provided with one-level, secondary or multistage, a plurality of water spray import later on, sprays to powder through the water that measures with elevated pressures.Have the blade that promotes the material axially-movable on the turning cylinder of stirring screw conveyer; Blade adopts fine pitch, varying pitch design, according to the form design at stirring screw conveyer different parts material; Have a plurality of fixing thick sticks that stir between blade, water, powder mixture are made radial shear; The different operating district, the shape of stirring thick stick is different.That the mandrel of stirring screw conveyer adopts is hollow, major diameter, the design of high rotating speed, so that obtain little mixing chamber, high shear rates.Slurry outlet below be provided with.Water, powder mixture are finished abundant mixing under warp-wise cutting, the axial promotion.First order water inlet inflow accounts for the 50%-70% of Total Water, and mixture is stirred into pasty state; The second level (or afterbody) water inlet adds water to the 80%-90% of Total Water, and mixture is stirred pulp.
Be interrupted that slurrying produces, the water filling period is elongated segment several seconds during the propelling of powder relatively, and the water yield of 10%-20% is as flushing water.After treating that slurries add the cast mixer, spray adds flushing device once more.
The stirring screw conveyer shell is provided with the rectangle manhole in case of necessity, cover plate band sealing gasket.
The adding of other additive, process steam is inherited old technology and is finished, and does not do variation.
Compared with prior art, a kind ofly pour into a mould the method for slurries slurrying and beneficial effect that pulping equipment is had is: cast pulping process of the present invention can make the slurries that abundant mixing, particulate form disperse, and has principle to change with original method.Cast pulping process of the present invention has improved the utilization rate of calcareous raw material.By the current technology prescription, reduce the intensity index that calcareous raw material 5%-10% can not reduce goods.Every unit pouring practice time shortens about 80%, because of the time shortens the power consumption reduction; The time shortening has solved each process capability mismatch problem of production line.Pulping equipment is simple in structure, easy to use.In conjunction with the technological transformation of workshop sections such as cutting unit, the domestic 10-15 that builds up in a large number ten thousand sides' production line output can improve production capacity to 18-30 ten thousand sides at present, and significant economic implications is arranged.
Description of drawings
Fig. 1 pulping device structure of the present invention schematic diagram;
The another kind of structural representation of Fig. 2 calcareous raw material pulper of the present invention.
Fig. 1 is a preferred example of the present invention.Among Fig. 1-2: 1 cast mixer stirs interpolation water measuring tank, 7 valves, the 8 pipeline force (forcing) pumps, 9 that main shaft and blade, 2 siliceous slurries add mouthful, 3 other additives add mouths, 4 heating steam inlets, 5 calcareous raw materials slurries add mouthful, 6 calcareous raw material slurrying are used and adds water ring pipe, 10 calcareous powder charging apertures, 11 stirring screw conveyers, 12 agitators, 13 calcareous powder conveying worms, 14 calcareous powder blanking ports, 15 interpolation water measuring tanks.
The specific embodiment
Below in conjunction with Fig. 1-2 to calcareous raw material slurrying of the present invention, conveying, integrated being described further of cast slurries slurrying:
With reference to Fig. 1
Embodiment 1:
The pulverized fuel ash slurry that contains land plaster that at first prepares ratio of water to material 0.53 joins the cast mixer, prepares the lime cement slurries of ratio of water to material 0.75 thereupon, adds the cast mixer; Add blowing agent aluminium powder slurries again and heating steam is fed in the cast mixer, stir through mixing, 3 minutes time can make the cast slurries that abundant mixing, particulate form disperse.The weight ratio of raw material: flyash: cement: lime: gypsum=75: 4: 16: 4; Compare with old technology, flyash increases by 5%, and lime reduces 5%, and other is with old technology.
190 seconds every cast unit time.Scheduling is as follows: from 0-40 second, add pulverized fuel ash slurry; From 5-45 second, add the cement and lime slurries; Add blowing agent aluminium powder slurries second from 85-100; Add steam from 80 seconds to 140 seconds and adjust temperature, moisturizing adjustment slump; From cast in 140 seconds-180 seconds, 10 seconds motor-driven.
Pulping equipment is made up of cast mixer and calcareous raw material pulper two parts, and the calcareous raw material pulper is arranged on the top of cast mixer.
The cast mixer comprises stirring main shaft and blade 1, siliceous slurries add mouth 2, other additive adds mouth 3, heating steam inlet 4, the slurries of calcareous raw material add mouth 5, the calcareous raw material pulper that is arranged on cast mixer top comprises the interpolation water measuring tank 6 that calcareous raw material slurrying is used, valve 7, pipeline force (forcing) pump 8, add water ring pipe 9, calcareous powder charging aperture 10, stirring screw conveyer 11, the slurries that stirring screw conveyer 11 tiltables are installed in cast mixer calcareous raw material add on the mouth 5, valve 7, pipeline force (forcing) pump 8 is installed on the inlet channel, inlet channel topmost is provided with and adds water measuring tank 6, the inlet channel lower end with add water ring pipe 9 and link to each other, add water ring pipe 9 around being fixed on outside stirring screw conveyer 11, calcareous powder charging aperture 10 is arranged on the front end of stirring screw conveyer 11.
First work step of work with siliceous raw material (flyash etc.) slurries of 0.48-0.58 ratio of water to material, adds mouthful 2 adding cast mixers by siliceous slurries; Thereupon, to enter stirring screw conveyer 11 from calcareous powder charging aperture 10 according to calculating the calcareous powder of determining consumption, the interpolation water measuring tank 6 that quantitative water is used from calcareous raw material slurrying adds simultaneously, control by pneumatic (or electronic) valve 7, time supplies water and cuts off the water on request, pulping water becomes press water behind piping force (forcing) pump 8, press water enters and adds water ring pipe 9, enter stirring screw conveyer 11 by water nozzle, like this from the calcareous powder of calcareous powder charging aperture 10 and from the press water that adds water ring pipe 9 in stirring screw conveyer 11, through axially promoting, after vertically stirring, form the calcareous (cement of 0.68-0.82 ratio of water to material, the lime powder) slurries, the slurries interpolation mouth 5 by calcareous raw material joins in the cast mixer then.
Siliceous raw material slurries and calcareous raw material slurries that second work step, basic synchronization enter mixer mix stirring in mixer, owing to siliceous, calcareous raw material have been finished sufficient infiltration and dispersion before mixing.After the mixing,, promptly can make the cast slurries of abundant mixing, particulate form dispersion with less stirring linear velocity and power consumption.Add mouthful 3 other additives that enter and inherit old technology from the heating steam that heating steam inlet 4 enters and finish by other additive, do not do variation.The calcareous slurries of preparation 0.68-0.82 ratio of water to material belong to intermittent operation, the 10-20% of its total water amount, treat that slurries add the cast mixer after, spray adds flushing device once more.
With reference to Fig. 2
Embodiment 2:
Pulping equipment adopts by cast mixer and Fig. 2 calcareous raw material pulper two parts to be formed, and the calcareous raw material pulper is arranged on the top of cast mixer.
Calcareous raw material pulper or employing valve 7, the agitator 12 of the calcareous slurries of preparation, calcareous powder conveying worm 13, calcareous powder blanking port 14, interpolation water measuring tank 15.Valve 7 is installed on the inlet channel that adds water measuring tank 15 belows.Water inlet pipe road junction, calcareous powder conveying worm 13 are installed in agitator 12 tops of the calcareous slurries of preparation, the agitator 12 for preparing calcareous slurries is installed in the top of the slurries interpolation mouth 5 of cast mixer calcareous raw material, and calcareous powder blanking port 14 is arranged on the front end of calcareous powder conveying worm 13.
200 seconds every cast unit time.Scheduling is as follows: from 0-40 second, add pulverized fuel ash slurry; From 5-65 second, add the cement and lime slurries; Add blowing agent aluminium powder slurries second from 95-110; Add steam from 80 seconds to 150 seconds and adjust temperature, moisturizing adjustment slump; Finished cast from 150 seconds-190 seconds; 10 seconds motor-driven.
First work step of work with siliceous raw material (flyash) slurries of 0.48-0.58 ratio of water to material, is added in mouthful adding cast mixer by siliceous slurries; Prepare the calcareous raw material slurries in advance: calcareous powder enters conveying worm 13 through calcareous powder blanking port 14, the agitator 12 that adds the calcareous slurries of preparation by calcareous powder conveying worm 13, simultaneously, water is from adding water measuring tank 15, enter agitator 12 through pneumatic (or electronic) valve 7, fully mix, contain admittedly the calcareous raw material slurries of thing with graininess, even dispersion, 0.68-0.82 ratio of water to material with the calcareous powder process stirring formation that enters, the slurries interpolation mouth 5 by calcareous raw material enters the cast mixer then.
The second work step course of work is identical with embodiment 1.
Embodiment 3:
Pulping equipment is made up of cast mixer and calcareous raw material pulper two parts, and the calcareous raw material pulper is arranged on the top of cast mixer.
Siliceous raw material adopts: the CHARACTERISTICS OF TAILINGS SAND of SiO2 content 85%, and 0.08 tails over 20%-28%, ratio of water to material 0.5; It is middling speed quick lime that calcareous raw material adopts CaO content 85%, and 0.08 tails over 15%-20%, 425# cement, gypsum, aluminium powder cream.
Every cast unit dry material consumption: CHARACTERISTICS OF TAILINGS SAND 1800Kg, useless building block 70-90Kg, gypsum 90Kg; Lime 280Kg, cement 280Kg, aluminium powder cream 2Kg.
First work step of work is made slurries with the CHARACTERISTICS OF TAILINGS SAND wet ball grinding, and ratio of water to material 0.5 is by taking after the metering of every cast unit consumption; Mixed powder is worn in lime, gypsum, useless building block by weight, and lime, gypsum, useless building block mixed powder are made slurries, ratio of water to material 0.8 by every cast unit consumption; Aluminium powder cream is made slurries, and concentration is with old technology.
240 seconds every cast unit time.Scheduling is as follows: from 0-50 second, add the CHARACTERISTICS OF TAILINGS SAND slurries; 5-70 adds lime, gypsum, the useless building block mixed powder slurries of every cast unit consumption second; Steam is adjusted temperature, slump is adjusted in moisturizing to finish possible adding from 80 seconds to 190 seconds; Add blowing agent aluminium powder slurries second from 120-140; From 180 seconds-240 seconds, finish cast; It is the stirring cast operation of a cast unit that 4 minutes-4 minutes halfs are finished 3.72 cubes.
The second work step course of work is identical with embodiment 1.
According to content of the present invention and annotation thereof, one of ordinary skill in the art can be expected the scheme of some identical, alternative measures apparently, all should fall into the scope of protection of the invention.
Claims (5)
1. a cast slurries pulping process comprises the siliceous raw material slurries, it is characterized in that: with calcareous raw material slurries and siliceous raw material slurries in 2: 8-4: 6 ratio joins synchronously to pour into a mould in the mixer and mixes, and adds blowing agent again, time 3-5 minute.
2. a kind of cast slurries pulping process according to claim 1, it is characterized in that: the siliceous raw material slurries are with the ratio of water to material preparation by 0.48-0.58 of sand powder or flyash and water, quantitatively join in the cast mixer, synchronously the calcareous raw material slurries that add are that cement or lime powder are prepared by the calcareous raw material pulper by the 0.68-0.82 ratio of water to material with water.
3. a kind of pulping equipment of pouring into a mould the slurries pulping process according to claim 1 is characterized in that: comprise cast mixer and calcareous raw material pulper, the calcareous raw material pulper is arranged on the top of cast mixer.
4. a kind of pulping equipment of pouring into a mould the slurries pulping process according to claim 3, it is characterized in that: the cast mixer comprises stirring main shaft and blade (1), siliceous slurries add mouthful (2), other additive adds mouthful (3), heating steam inlet (4), the slurries of calcareous raw material add mouthful (5), the calcareous raw material pulper that is arranged on cast mixer top comprises the interpolation water measuring tank (6) that calcareous raw material slurrying is used, valve (7), pipeline force (forcing) pump (8), add water ring pipe (9), calcareous powder charging aperture (10), stirring screw conveyer (11), the slurries that stirring screw conveyer (11) tiltable is installed in cast mixer calcareous raw material add on mouthful (5), valve (7), pipeline force (forcing) pump (8) is installed on the inlet channel, inlet channel topmost is provided with and adds water measuring tank (6), the inlet channel lower end with add water ring pipe (9) and link to each other, add water ring pipe (9) around being fixed on outside stirring screw conveyer (11), calcareous powder charging aperture (10) is arranged on the front end of stirring screw conveyer (11).
5. a kind of pulping equipment of pouring into a mould the slurries pulping process according to claim 3, it is characterized in that: calcareous raw material pulper or employing valve (7), the agitator (12) for preparing calcareous slurries, calcareous powder conveying worm (13), calcareous powder blanking port (14), add water measuring tank (15), valve (7) is installed on the inlet channel that adds water measuring tank (15) below, the water inlet pipe road junction, calcareous powder conveying worm (13) is installed in agitator (12) top of the calcareous slurries of preparation, the agitator (12) for preparing calcareous slurries is installed in the top of the slurries interpolation mouthful (5) of cast mixer calcareous raw material, and calcareous powder blanking port (14) is arranged on the front end of calcareous powder conveying worm (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2008100138603A CN100464961C (en) | 2008-01-15 | 2008-01-15 | Serum pulping method and pulping equipment |
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| CNB2008100138603A CN100464961C (en) | 2008-01-15 | 2008-01-15 | Serum pulping method and pulping equipment |
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| CNB2008100138603A Expired - Fee Related CN100464961C (en) | 2008-01-15 | 2008-01-15 | Serum pulping method and pulping equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848468A (en) * | 2012-09-05 | 2013-01-02 | 大连正锐建筑节能股份有限公司 | High speed bin structure for composite foam concrete stirring equipment |
| CN108312344A (en) * | 2018-03-13 | 2018-07-24 | 来安县塔鑫建材有限公司 | A kind of uniform concrete batch plant of charging |
| CN108582480A (en) * | 2018-03-13 | 2018-09-28 | 来安县塔鑫建材有限公司 | A kind of anti-sticking wall blender |
| CN110195590A (en) * | 2019-06-21 | 2019-09-03 | 中国铁建重工集团股份有限公司 | Integrated grouting equipment |
| CN115721974A (en) * | 2023-01-28 | 2023-03-03 | 中铁电气化局集团有限公司 | Slurry circulation preparation grouting system behind shield muck wall |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063670A (en) * | 1991-01-30 | 1992-08-19 | 黄耀忠 | Inorganic crystal decorating plate |
| CN1117040C (en) * | 2001-08-08 | 2003-08-06 | 季东波 | Composite flyash-gypsum block (brick) and its production process |
| CN1307029C (en) * | 2003-09-30 | 2007-03-28 | 达辉（广东）轻质混凝土制品有限公司 | Method for manufacturing light conccrete product |
-
2008
- 2008-01-15 CN CNB2008100138603A patent/CN100464961C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102848468A (en) * | 2012-09-05 | 2013-01-02 | 大连正锐建筑节能股份有限公司 | High speed bin structure for composite foam concrete stirring equipment |
| CN108312344A (en) * | 2018-03-13 | 2018-07-24 | 来安县塔鑫建材有限公司 | A kind of uniform concrete batch plant of charging |
| CN108582480A (en) * | 2018-03-13 | 2018-09-28 | 来安县塔鑫建材有限公司 | A kind of anti-sticking wall blender |
| CN110195590A (en) * | 2019-06-21 | 2019-09-03 | 中国铁建重工集团股份有限公司 | Integrated grouting equipment |
| CN115721974A (en) * | 2023-01-28 | 2023-03-03 | 中铁电气化局集团有限公司 | Slurry circulation preparation grouting system behind shield muck wall |
| CN115721974B (en) * | 2023-01-28 | 2023-04-04 | 中铁电气化局集团有限公司 | Slurry circulation preparation grouting system behind shield muck wall |
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| Publication number | Publication date |
|---|---|
| CN100464961C (en) | 2009-03-04 |
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