CN107298557A - The concrete production method of building waste and waste water - Google Patents

The concrete production method of building waste and waste water Download PDF

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Publication number
CN107298557A
CN107298557A CN201710423417.2A CN201710423417A CN107298557A CN 107298557 A CN107298557 A CN 107298557A CN 201710423417 A CN201710423417 A CN 201710423417A CN 107298557 A CN107298557 A CN 107298557A
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water
waste
chamber
concrete
fragment
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CN201710423417.2A
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CN107298557B (en
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陈忠伟
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Chongqing Poly Construction (group) Ltd By Share Ltd
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Chongqing Poly Construction (group) Ltd By Share Ltd
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/04Portland cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04Waste materials; Refuse
    • C04B18/12Waste materials; Refuse from quarries, mining or the like
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04Waste materials; Refuse
    • C04B18/16Waste materials; Refuse from building or ceramic industry
    • C04B18/167Recycled material, i.e. waste material reused in the production of the same material
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B22/00Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/002Water
    • C04B22/0046Waste slurries or solutions used as gauging water
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/40Porous or lightweight materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/10Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20Mortars, concrete or artificial stone characterised by specific physical values for the density
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The present invention relates to concrete field, a kind of concrete production method of building waste and waste water is disclosed, is crushed, waste and old concrete is broken into the fragment that diameter is less than 50mm;The sorting of artificial or magnetic, removes the reinforcing bar and bulk impurity in fragment;Pneumatic separating, removes the ashes and light impurities of fragment surface attachment;Broken and screening, fragment is put into disintegrating machine to be crushed, regeneration aggregate after broken carries out two-stage screening, the aperture of one-level screening one-level screen cloth used is 10 25mm, metaling is obtained after one-level screening, the aperture of two grades of screenings, two grades of screen clothes used is 5 16mm, and light coarse aggregate is obtained after two grades of screenings;Dispensing, is mixed by following components:Light coarse aggregate, metaling, P.O42.5R cement 34 36, flyash 12 15, pottery sand 8 10, polyhydroxy salt type water reducer 0.7 0.8, cellulose 0.1 0.15 and water 20 22;Mix and stir, all ingredients are mixed and stirred into slurry.The invention is intended to provide a kind of method that utilization waste and old concrete and waste water prepare full lightweight concrete.

Description

The concrete production method of building waste and waste water
Technical field
The present invention relates to concrete field.
Background technology
Full lightweight concrete is that the dry apparent density being formulated by light weight sand, light coarse aggregate, cement, water etc. is not more than 1950kg/m3 concrete.When the full lightweight concrete strength grade that the heat-insulation layer of layering floor, roofing is used is not less than LC15 During level, coagulating cement protective soil layer can not be set between heat-insulation layer and surface layer.Commonly used full lightweight concrete makees building building flooring With layering floor heat-insulation system, the not only one-shot forming in work progress also eliminates laying steel fabric sheet and pea gravel concreten This two procedures of protective layer, have been provided simultaneously with load-bearing and heat-insulating property, have greatlyd save cost.
Publication No. CN105084833A Chinese invention application disclose a kind of high-strength insulation full lightweight concrete and its Preparation method and application, its full lightweight concrete uses floating bead, ceramic hollow microballon, haydite, pottery sand as light coarse aggregate, but floats Pearl, ceramic hollow microballon, haydite, pottery sand price it is higher, cause the price of its full lightweight concrete prepared higher, be unfavorable for complete The popularization and application of lightweight concrete, and floating bead, ceramic hollow microballon due to density it is too small, easily there is rising phenomenon.
And substantial amounts of waste and old concrete is produced in today's society engineering construction, maintenance or demolishing process, transport is mixed Substantial amounts of waste water will be also produced when rinsing concrete tank during solidifying soil, the processing of these waste and old concretes and waste water is As a urgent problems.Traditional way is that waste and old concrete as rubbish is abandoned or filled, and waste water is direct Discharge, this is undoubtedly a kind of waste and the destruction to land resource.
The content of the invention
The invention is intended to provide a kind of concrete production method of building waste and waste water, to utilize waste and old concrete and give up Water prepares full lightweight concrete.
The concrete production method of building waste and waste water in this programme, comprises the following steps:
Step 1:It is broken, waste and old concrete is broken into the fragment that diameter is less than 50mm;
Step 2:The sorting of artificial or magnetic, removes the reinforcing bar and bulk impurity in fragment;
Step 3:Pneumatic separating, removes the ashes and light impurities of fragment surface attachment;
Step 4:Broken and screening, is put into disintegrating machine by fragment and is crushed, and the regeneration aggregate after crushing carries out two-stage sieve Choosing, the aperture of one-level screening one-level screen cloth used is 10-25mm, obtain metaling after one-level screening, and two grades of screenings are used The aperture of two grades of screen clothes is 5-16mm, and light coarse aggregate is obtained after two grades of screenings;
Step 5:Dispensing, takes the light coarse aggregate of 50-55 parts by weight and the metaling of 78-82 parts by weight and following parts by weight Component is mixed:P.O42.5R cement 34-36, flyash 12-15, pottery sand 8-10, polyhydroxy salt type water reducer 0.7-0.8 are fine Tie up element 0.1-0.15 and water 20-22;
Step 6:Mix and stir, all ingredients are mixed and stirred into slurry.
The technical principle of this programme and have the beneficial effect that:Waste and old concrete carry out recycling regeneration treatment when, Need to remove reinforcing bar therein, impurity etc..Waste and old concrete is broken into the fragment less than 50mm in advance, is easy to reinforcing bar and miscellaneous Matter is removed from waste and old concrete.After two-stage sorting by step 2 and step 3, the broken concrete of reproducible utilization is obtained.
Broken concrete is crushed using disintegrating machine, the pressure one of disintegrating machine is by concrete slag in broken process Peel off to obtain regenerating metaling from natural rubble material, two be that will be unable to peel off the broken concrete of concrete slag be broken into can By the fragment of one-level screen cloth, used directly as metaling, and the concrete slag produced in disintegrating machine then passes through one-level screen cloth Two grades of screen clothes are fallen into be screened, filter out particle diameter be 5-16mm particle as light coarse aggregate.
Component according still further to following parts by weight carries out the dispensing of concrete:Metaling 78-82, light coarse aggregate 50-55, P.O42.5R cement 34-36, flyash 12-15, pottery sand 8-10, polyhydroxy salt type water reducer 0.7-0.8, cellulose 0.1- 0.15 and water 20-22.Then ingredients are mixed and stirred into slurry.Because in the casting process of heat-insulation layer, heat-insulation layer needs quick Shaping, therefore concrete can be made quickly to be molded using P.O42.5R early-strengths cement, more accord with the demands of the market.Using regeneration Metaling and light coarse aggregate, not only can carry out regeneration to waste and old concrete, reduce the destruction to environment, due also to light thick The density of aggregate is approached with slurry density, is emerged on the light coarse aggregate that can be prevented effectively from full lightweight concrete in the prior art As.The workability of full lightweight concrete can be improved using polyhydroxy salt type water reducer, moreover it is possible to effectively reduce curing shrinkage amount, increase The volume stability and durability of heat-insulation layer.Cellulose can then efficiently control Plastic Shrinkage of Concrete, drying shrinkage, temperature change etc. Micro-crack caused by factor, prevents and suppresses the formation and development of concrete pre-existing fracture, and the anticracking for substantially improving concrete resists Performance, scour & wear resistance energy are oozed, increases the toughness of concrete, so as to improve the service life of concrete.
The light coarse aggregate of full lightweight concrete being made of this programme is without rising phenomenon, and apparent density is 1270-1350Kg/ m3, only 2/3rds of normal concrete apparent density are effectively reduced the load on heat insulation layer structure, and thermal conductivity factor Less than 0.25W/ (mK), with good heat insulating effect.
Further, ashes pneumatic separating in step 3 produced is collected using cloth bag to be used as flyash.Will be to useless Old concrete carries out the recovery profit that accessory substance --- ashes is collected, waste and old concrete is improved produced in regeneration process With rate, ashes is also avoided to fly away aerial and pollute air.
Further, in the step 5, the preferred weight part proportioning of each component is:Metaling 79.5, light coarse aggregate 52, P.O42.5R cement 35, flyash 15, pottery sand 8, polyhydroxy salt type water reducer 0.75, cellulose 0.12 and water 21.Using this Proportioning, the full lightweight concrete apparent density being made is 1300Kg/m3, thermal conductivity factor is 0.22W/ (mK), is more suitable for insulation Pouring for layer is used.
Further, in the step 5, the water used is recycled water, and recycled water is made by reused water processing pond, recycled water Processing pond includes being provided with diaphragm plate in the processing pond body of tubbiness, processing pond body, and processing pond body is divided into by diaphragm plate Water inlet pipe is tangentially inserted with obliquely on upper chamber and lower chambers, upper chamber's side wall, and water inlet pipe is connected with upper chamber, dividing plate Center be provided with dividing plate below discharge opening, discharge opening and be provided with slagging-off chamber, discharge opening is connected with slagging-off chamber, slagging-off cavity outer wall It is formed between processing pond inner body wall on annular chamber, slagging-off chamber side wall and is provided with liquid-leadage hole, liquid-leadage hole connection slagging-off chamber and ring Shape chamber, is provided with flow-stopping plate in annular chamber, slagging-off chamber bottom be provided with let out slag let out slag passage, let out slag passage and extend to processing pond sheet In vitro, the medium position of lower chambers side wall is provided with delivery port.The waste water for rinsing gained after concrete tank is noted from water inlet pipe Enter, waste water is punched into upper chamber under gravity, the tangential direction due to water inlet pipe along upper chamber is set obliquely, give up Water rotates to form whirlpool in the presence of itself impulsive force at the discharge opening of upper chamber, effect of the impurity in waste water in whirlpool The lower center toward upper chamber is assembled, and impurity is fallen into slagging-off chamber together with waste water, and most impurity are then deposited in slagging-off chamber It is interior, remainder impurity then with waste water in the presence of the centrifugal force and impulse force of itself from liquid-leadage hole is flowed into annular chamber, ring The flow-stopping plate of shape intracavitary slows down the waste water of rotational flow, then waste water quiescent setting in annular chamber, the impurity of remainder The bottom of annular chamber is fallen into, the waste water gone out after decontamination is then located above impurity, the delivery port in the middle part of the wall of lower chambers side The waste water of free from admixture can be released, to carry out mixing and stirring for full lightweight concrete using the waste water after removal of impurities.Utilize reused water processing pond The waste water of processing, due to being obtained through rinsing concrete tank, is dissolved with additive, cement grout in former concrete in waste water Deng, additive, the consumption of cement when advantageously reducing preparation full lightweight concrete, and then advantageously reduce production cost.
Further, the upper chamber is in back taper.Waste water of being more convenient for forms whirlpool in upper chamber.
Further, the polyhydroxy salt is Point-400S type water reducers.Point-400S types water reducer is retardation setting type Water reducer, may be such that full lightweight concrete water-reducing rate is high, fluidity good, Slump Time losing of Large is small, not isolate, not bleeding.
Brief description of the drawings
Fig. 1 be the building waste of the embodiment of the present invention one and waste water concrete production method in reused water processing pond structure Schematic diagram.
Embodiment
Below by embodiment, the present invention is further detailed explanation:
Reference in Figure of description includes:Upper chamber 1, lower chambers 2, dividing plate 3, water inlet pipe 4, discharge opening 5, slagging-off Chamber 6, annular chamber 7, flow-stopping plate 8, liquid-leadage hole 9, let out slag passage 10, delivery port 11.
Embodiment one
The concrete production method of building waste and waste water comprises the following steps:
Step 1:It is broken, waste and old concrete is broken into the fragment that diameter is less than 50mm;
Step 2:The sorting of artificial or magnetic, removes the reinforcing bar and bulk impurity in fragment;
Step 3:Pneumatic separating, removes the ashes and light impurities of fragment surface attachment;
Step 4:Broken and screening, is put into disintegrating machine by fragment and is crushed, and the regeneration aggregate after crushing carries out two-stage sieve Choosing, the aperture that one-level screens one-level screen cloth used is 16mm, and metaling, two grades used in two grades of screenings are obtained after one-level screening The aperture of screen cloth is 8mm, and light coarse aggregate is obtained after two grades of screenings;
Step 5:Dispensing, takes the light coarse aggregate of 52 parts by weight and the metaling of 79.5 parts by weight and the component of following parts by weight Mixing:P.O42.5R cement 35, flyash 15, pottery sand 8, Point-400S types 0.75, cellulose 0.12 and water 21;
Its reclaimed water is waste water obtained recycled water after reused water processing pond is handled, and reused water processing pond includes tubbiness Diaphragm plate 3 is provided with processing pond body, processing pond body, processing pond body is divided into lower chambers 2 and in back taper by diaphragm plate 3 Water inlet pipe 4 is tangentially inserted with obliquely on the upper chamber 1 of shape, the side wall of upper chamber 1, and water inlet pipe 4 is connected with upper chamber 1, every The center of plate 3 is provided with discharge opening 5, and the dividing plate 3 of the lower section of discharge opening 5 is provided with slagging-off chamber 6, and discharge opening 5 is connected with slagging-off chamber 6, It is formed between the outer wall of slagging-off chamber 6 and processing pond inner body wall on annular chamber 7, the side wall of slagging-off chamber 6 and is provided with liquid-leadage hole 9, liquid-leadage hole Be provided with flow-stopping plate 8 in 9 connection slagging-off chambers 6 and annular chamber 7, annular chamber 7, the bottom of slagging-off chamber 6 be provided with let out slag let out slag passage 10, let out slag passage 10 and extend to processing pond sheet in vitro, the medium position of the side wall of lower chambers 2 is provided with delivery port 11, takes out the mouth of a river 11 The recycled water water of outflow is used for dispensing;
Step 6:Mix and stir, all ingredients are mixed and stirred into slurry, full lightweight concrete is made.
Embodiment two
With differing only in for embodiment one:The preferred weight part proportioning of each component is in dispensing:Metaling 78, light thick bone Expect 50, P.O42.5R cement 34, flyash 12, pottery sand 8, Point-400S types water reducer 0.7, cellulose 0.1 and water 20.
Embodiment three
With differing only in for embodiment one:The preferred weight part proportioning of each component is in dispensing:Metaling 82, light thick bone Expect 55, P.O42.5R cement 36, flyash 15, pottery sand 10, Point-400S types water reducer 0.8, cellulose 0.12 and water 22.
Full lightweight concrete prepared by Example one, embodiment two and embodiment three is according to the People's Republic of China (PRC)《Light bone Expect concrete technology code JGJ51-2002》Performance test is carried out, testing result is as shown in table 1:
Table 1
As it can be seen from table 1 the full lightweight concrete prepared by this method reaches LC20 grades, apparent density is only 1274-1345Kg/m3, with good function of heat insulation, the heat-insulation layer for being highly suitable for building is poured and used.
Above-described is only that the known general knowledge such as concrete structure and characteristic is not made herein in embodiments of the invention, scheme Excessive description., without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these are implemented all without the influence present invention Effect and practical applicability.The scope of protection required by this application should be based on the content of the claims, in specification Embodiment etc. records the content that can be used for explaining claim.

Claims (6)

1. the concrete production method of building waste and waste water, it is characterised in that:Comprise the following steps:
Step 1:It is broken, waste and old concrete is broken into the fragment that diameter is less than 50mm;
Step 2:The sorting of artificial or magnetic, removes the reinforcing bar and bulk impurity in fragment;
Step 3:Pneumatic separating, removes the ashes and light impurities of fragment surface attachment;
Step 4:Broken and screening, is put into disintegrating machine by fragment and is crushed, and the regeneration aggregate after crushing carries out two-stage screening, one The aperture of level screening one-level screen cloth used is 10-25mm, and metaling, two grades of screenings, two grades of sieves used are obtained after one-level screening The aperture of net is 5-16mm, and light coarse aggregate is obtained after two grades of screenings;
Step 5:Dispensing, takes the light coarse aggregate of 50-55 parts by weight and the metaling of 78-82 parts by weight and the component of following parts by weight Mixing:P.O42.5R cement 34-36, flyash 12-15, pottery sand 8-10, polyhydroxy salt type water reducer 0.7-0.8, cellulose 0.1-0.15 and water 20-22;
Step 6:Mix and stir, all ingredients are mixed and stirred into slurry.
2. the concrete production method of building waste according to claim 1 and waste water, it is characterised in that:By in step 3 The ashes that pneumatic separating is produced is collected using cloth bag to be used as flyash.
3. the concrete production method of building waste according to claim 1 and waste water, it is characterised in that:The step 5 In, the preferred weight part proportioning of each component is:Metaling 79.5, light coarse aggregate 52, P.O42.5R cement 35, flyash 15, pottery Sand 8, polyhydroxy salt type water reducer 0.75, cellulose 0.12 and water 21.
4. the concrete production method of building waste according to claim 1 and waste water, it is characterised in that:The step 5 In, the water used is recycled water, and recycled water is made by reused water processing pond, and reused water processing pond includes the processing pond sheet of tubbiness Diaphragm plate is provided with body, processing pond body, processing pond body is divided into upper chamber and lower chambers, upper chamber's side wall by diaphragm plate On be tangentially inserted with water inlet pipe obliquely, water inlet pipe is connected with upper chamber, and the center of dividing plate is provided with discharge opening, discharge opening The dividing plate of lower section is provided with slagging-off chamber, and discharge opening is connected with slagging-off chamber, is formed between slagging-off cavity outer wall and processing pond inner body wall Have and liquid-leadage hole is provided with annular chamber, slagging-off chamber side wall, liquid-leadage hole connection slagging-off chamber and annular chamber, annular chamber is interior to be provided with flow-stopping plate, Slagging-off chamber bottom be provided with let out slag let out slag passage, let out slag passage external, the middle position of lower chambers side wall that extends to processing pond sheet Put and be provided with delivery port.
5. the concrete production method of building waste according to claim 4 and waste water, it is characterised in that:The upper chamber In back taper.
6. the concrete production method of building waste according to claim 1 and waste water, it is characterised in that:The polyhydroxy Salt is Point-400S type water reducers.
CN201710423417.2A 2017-06-07 2017-06-07 concrete production method of construction waste and wastewater Active CN107298557B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108358488A (en) * 2018-05-07 2018-08-03 深圳大学 By the broken preparation methods for being recovered as Aggregate of recycled concrete of UHPFRC
CN110028294A (en) * 2019-05-30 2019-07-19 四川功予名图文设计有限公司 A kind of regeneration time gently concrete and its application

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101543828A (en) * 2009-04-15 2009-09-30 潍坊三建滨海建筑材料有限公司 Method for producing concrete construction materials by using construction waste
CN101544483A (en) * 2009-04-15 2009-09-30 潍坊三建滨海建筑材料有限公司 Method for producing renewable aggregate by using construction waste
CN102584136A (en) * 2012-01-17 2012-07-18 西安建筑科技大学 Preparation of recycled concrete through compound enhancement of low-elasticity-modulus modified coarse fibre and active mineral material
CN103755188A (en) * 2014-01-08 2014-04-30 大连泓元环保建筑材料有限公司 Ecological treatment technology for construction waste
CN105198257A (en) * 2015-09-06 2015-12-30 越艳 Construction waste crushing and screening line method
CN105367004A (en) * 2015-11-27 2016-03-02 山西四建集团有限公司 C30 durable recycled shaping aggregate concrete prepared from construction wastes and preparation method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101543828A (en) * 2009-04-15 2009-09-30 潍坊三建滨海建筑材料有限公司 Method for producing concrete construction materials by using construction waste
CN101544483A (en) * 2009-04-15 2009-09-30 潍坊三建滨海建筑材料有限公司 Method for producing renewable aggregate by using construction waste
CN102584136A (en) * 2012-01-17 2012-07-18 西安建筑科技大学 Preparation of recycled concrete through compound enhancement of low-elasticity-modulus modified coarse fibre and active mineral material
CN103755188A (en) * 2014-01-08 2014-04-30 大连泓元环保建筑材料有限公司 Ecological treatment technology for construction waste
CN105198257A (en) * 2015-09-06 2015-12-30 越艳 Construction waste crushing and screening line method
CN105367004A (en) * 2015-11-27 2016-03-02 山西四建集团有限公司 C30 durable recycled shaping aggregate concrete prepared from construction wastes and preparation method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108358488A (en) * 2018-05-07 2018-08-03 深圳大学 By the broken preparation methods for being recovered as Aggregate of recycled concrete of UHPFRC
CN108358488B (en) * 2018-05-07 2020-10-02 深圳大学 Preparation method for recycling UHPFRC (ultra high performance concrete) crushed aggregate into recycled concrete aggregate
CN110028294A (en) * 2019-05-30 2019-07-19 四川功予名图文设计有限公司 A kind of regeneration time gently concrete and its application

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