CN104860584B - Preparation method of garbage incineration power generation furnace slag concrete - Google Patents
Preparation method of garbage incineration power generation furnace slag concrete Download PDFInfo
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- CN104860584B CN104860584B CN201510178055.6A CN201510178055A CN104860584B CN 104860584 B CN104860584 B CN 104860584B CN 201510178055 A CN201510178055 A CN 201510178055A CN 104860584 B CN104860584 B CN 104860584B
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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
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Abstract
The invention discloses a preparation method of garbage incineration power generation furnace slag concrete. According to the method, during a concrete preparation process, acrylic resin is added in two batches, magnetized water is added in three batches, and stirring is carried out four times. A construction material is prepared with garbage furnace slag, such that a resource is effectively recovered and utilized. The method is simple; preparation efficiency is high; and the production process is environment friendly. Through adjusting the ratio, concrete products with different strength grades can be obtained. The finally obtained concrete has the advantages of sufficient and fine mixing, good compressive strength, good water resistance, high stability, and good comprehensive performance.
Description
Technical field
The present invention relates to a kind of preparation method of concrete is and in particular to a kind of system of waste incineration and generating electricity cinder concrete
Preparation Method, belongs to solid waste resource recovery technical field of comprehensive utilization.
Background technology
Waste incineration and generating electricity technology is that rubbish is placed in burning electricity generation stove and is burnt, and discharges heat energy, waste heat recovery is entered
Row generates electricity.It is one of harmless treatment mode that house refuse is commonly used that waste incineration is used for generating electricity, and is a kind of achievable resource
The effective way recycling.After rubbish enters incinerator burning, substantial amounts of waste residue, referred to as slag can be produced, slag belongs to one
As waste.
Correlational study data shows, the main component in slag is the thing such as slag, glass, pottery, brick, stone, also contains
There are certain plastics, metallicses and the Organic substance such as imperfect combustion stationery, fiber, wood；It is more than the granule of 4mm in slag
Account for 60%, be suitable as construction material, the granule less than 4mm is typically considered as water treatment medium.Existing incinerator
The recycling approach of slag is primarily used to the replacement aggregate on asphalt road surface, the replacement aggregate of cement or concrete, fills out
Bury field covering material, packing material of embankment, roadbed etc. etc..As patent cn102268861b disclose one kind building waste and
The kerbstone that the slag of house refuse is made；Cn102296742a discloses the slag system of a kind of use building waste and house refuse
The luminous concrete brick becoming；Cn1331796c discloses a kind of method that utilization domestic waste incineration residue produces masonry cement,
The method is as mixing material using domestic waste incineration residue, and portland cement clinker, slag and Gypsum Fibrosum intergrinding, or respectively
Grinding remixes homogenizing, makes masonry cement, and by percentage to the quality, the addition of raw material is: domestic waste incineration residue is
15% ~ 50%, portland cement clinker is 1% ~ 50%, and slag is 5% ~ 50%, and Gypsum Fibrosum is 4% ~ 8%；Patent cn102092992b discloses use
Concrete quay brick of domestic waste incineration residue preparation and preparation method thereof, the method is by improving proportioning raw materials and technique
Parameter improving the intensity of coagulation upper terminal brick, proportioning raw materials is: domestic waste incineration residue 18.1% ~ 40.9%, cement 12.9%
~ 18.1%, rubble 12.5% ~ 30.9%, coarse sand 28.1% ~ 43.9% and additive 2.5% ~ 5.9%.
In terms of preparing concrete material using waste incineration slag, patent cn103387411a discloses one kind rubbish
Dregs of incinerator produce air entrained concrete method, by percentage to the quality, the addition of raw material is: flyash, quartz sand and/or
Granulated blast-furnace slag: 30-60%；Portland cement: 5-15%；Quick lime: 15-25%；Dihydrate gypsum: 3-5%；Incinerator
The preferred 9.5-39% of slag: 10-40%().
During slag of the prior art utilizes, all do not account for the water absorption rate that garbage slag is gathered materials with normal concrete
Different problems, in the design process of each material mix proportion of garbage slag concrete, when determining water consumption, all ignores rubbish
The water absorption rate problem of rubbish slag aggregate, so that garbage slag concrete cannot realize sufficient mix, does not account for mixing simultaneously yet
The optimization problem of garbage slag coarse aggregate and whole coarse aggregate mass ratioes and concrete crushing strength in solidifying soil, prepared concrete
Resistance to water and comprcssive strength and common concrete there is gap, in addition, stability and overall performance be not high.As being unable to
Clothes, garbage slag concrete can have potential safety hazard in use.
Content of the invention
It is an object of the invention to solving above-mentioned problems of the prior art, provide a kind of comprcssive strength high, water-fast
Property is splendid, stability is high, enable abundant mix waste incineration and generating electricity cinder concrete preparation method.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: a kind of waste incineration and generating electricity slag coagulation
The preparation method of soil, is made up of following steps:
(1) raw material prepares: substitutes coarse aggregate in concrete, the thick bone of garbage slag wherein in concrete using garbage slag
, between 50 ~ 70%, described raw material is prepared by following material, and the consumption of each material is joined for material and whole coarse aggregate mass ratio
Ratio is calculated as with the quality preparing this material needed for every cube of concrete: the garbage burning boiler discharge of garbage incinerating power plant
Slag 250 ~ 400kg, cement 300 ~ 550kg, magnetized water 150 ~ 200kg, sand 220 ~ 260kg, the particle diameter level for 10 ~ 20mm is joined broken
Stone 1100 ~ 1300kg, water reducer 3 ~ 4kg, acrylic resin 4-5kg, gcy activator 15 ~ 20kg；
(2) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery,
Remove after can dissolve salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is
1996kg/ m3Garbage slag coarse aggregate；
(3) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(4) concrete preparation: in concrete preparation process, according to garbage slag coarse aggregate in raw material set-up procedure and entirely
Portion's coarse aggregate quality ratio, using adding acrylic resin in two batches, add magnetized water, the side that is stirred in four times in three batches
The acrylic resin of 25 ~ 35% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50% is first added stirring dress by method
Put middle stirring 1 ~ 2min, be subsequently adding particle diameter be the graded broken stone of 10 ~ 20mm, cement carry out secondary stirring, mixing time 25 ~
30s, add water reducer and 50 ~ 60% magnetized water carry out third time stir, mixing time 25 ~ 30s, be eventually adding the third of 50%
Olefin(e) acid resin and remaining magnetized water carry out the 4th stirring, mixing time 25 ~ 30s, that is, be obtained.
Described gcy activator main component is sodium metasilicate, na4sio4Content is percent 95%, in inventive formulation
For adjusting the acid-base value of concrete, mixing of gathering materials is corroded the vitreous surface in slag, strengthens the attachment between material
Power.
Described acrylic resin can increase concrete batching system plasticity and glue on the premise of not reducing concrete flowability
Degree, suppression bleeding and isolation, reduce contraction distortion, improve cracking of reinforced concrete and adhesion strength, improve stability and globality
Energy.
In described concrete preparation process, the coarse aggregate being replaced due to water absorption rate and its of garbage slag coarse aggregate and other
The water absorption rate of material is different, simultaneously in order to take into account the stabilizing effect of acrylic resin, employs addition acrylic acid tree in two batches
Fat, add magnetized water, the method that is stirred in four times in three batches, by raw material and magnetized water, acrylic resin divide order,
In batches, the addition of dosis refracta, enables to the sufficient mix of concrete first, secondly can give full play to acrylic resin
Effect, intensity, stability and overall performance have comprehensive raising.
Using the preparation method of the present invention, by adjusting the consumption proportion of each material in concrete, varying strength can be obtained
The concrete of grade, preferred technical scheme is as follows.
1st, in concrete, the consumption proportion of each material, in terms of preparing the quality of this material needed for every cube of concrete, is: rubbish
The slag 385kg of garbage burning boiler discharge of rubbish burning electricity generation factory, cement 300kg, magnetized water 185kg, sand 345kg, particle diameter
Graded broken stone 1165kg for 10 ~ 20mm, water reducer 3.2kg, acrylic resin 4kg, gcy activator 19kg；Its preparation method
For following steps:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery,
Remove after can dissolve salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is
1996kg/ m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the third of 25 ~ 35% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Olefin(e) acid resin adds in agitating device and stirs 1 ~ 2min, be subsequently adding particle diameter be the graded broken stone of 10 ~ 20mm, cement carry out secondary
Stirring, mixing time 25 ~ 30s, adds water reducer and 50 ~ 60% magnetized water carries out third time and stirs, mixing time 25 ~
30s, is eventually adding 50% acrylic resin and remaining magnetized water carries out the 4th stirring, mixing time 25 ~ 30s, that is, be obtained
The concrete of strength grade c15.
2nd, in concrete, the consumption proportion of each material, in terms of preparing the quality of this material needed for every cube of concrete, is: rubbish
The slag 385kg of garbage burning boiler discharge of rubbish burning electricity generation factory, cement 355kg, magnetized water 185kg, sand 345kg, particle diameter
Graded broken stone 1160kg for 10 ~ 20mm, water reducer 3.2kg, acrylic resin 4kg, gcy activator 19kg；Its preparation method
For following steps:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery,
Remove after can dissolve salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is
1996kg/ m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the third of 25 ~ 35% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Olefin(e) acid resin adds in agitating device and stirs 1 ~ 2min, be subsequently adding particle diameter be the graded broken stone of 10 ~ 20mm, cement carry out secondary
Stirring, mixing time 25 ~ 30s, adds water reducer and 50 ~ 60% magnetized water carries out third time and stirs, mixing time 25 ~
30s, is eventually adding 50% acrylic resin and remaining magnetized water carries out the 4th stirring, mixing time 25 ~ 30s, that is, be obtained
The concrete of strength grade c20.
3rd, in concrete, the consumption proportion of each material, in terms of preparing the quality of this material needed for every cube of concrete, is: rubbish
The slag 330kg of garbage burning boiler discharge of rubbish burning electricity generation factory, cement 400kg, magnetized water 185kg, sand 315kg, particle diameter
Graded broken stone 1180kg for 10 ~ 20mm, water reducer 3kg, acrylic resin 4kg, gcy activator 19kg；Its preparation method is
Following steps:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery,
Remove after can dissolve salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is
1996kg/ m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the third of 25 ~ 35% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Olefin(e) acid resin adds in agitating device and stirs 1 ~ 2min, be subsequently adding particle diameter be the graded broken stone of 10 ~ 20mm, cement carry out secondary
Stirring, mixing time 25 ~ 30s, adds water reducer and 50 ~ 60% magnetized water carries out third time and stirs, mixing time 25 ~
30s, is eventually adding 50% acrylic resin and remaining magnetized water carries out the 4th stirring, mixing time 25 ~ 30s, that is, be obtained
The concrete of strength grade c25.
4th, in concrete, the consumption proportion of each material, in terms of preparing the quality of this material needed for every cube of concrete, is: rubbish
The slag 315kg of garbage burning boiler discharge of rubbish burning electricity generation factory, cement 450kg, magnetized water 183kg, sand 285kg, particle diameter
Graded broken stone 1192kg for 10 ~ 20mm, water reducer 3.5kg, acrylic resin 4kg, gcy activator 18.8kg；Its preparation side
Method is following steps:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery,
Remove after can dissolve salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is
1996kg/ m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the third of 25 ~ 35% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Olefin(e) acid resin adds in agitating device and stirs 1 ~ 2min, be subsequently adding particle diameter be the graded broken stone of 10 ~ 20mm, cement carry out secondary
Stirring, mixing time 25 ~ 30s, adds water reducer and 50 ~ 60% magnetized water carries out third time and stirs, mixing time 25 ~
30s, is eventually adding 50% acrylic resin and remaining magnetized water carries out the 4th stirring, mixing time 25 ~ 30s, that is, be obtained
The concrete of strength grade c30.
5th, in concrete, the consumption proportion of each material, in terms of preparing the quality of this material needed for every cube of concrete, is: rubbish
Rubbish burning electricity generation factory garbage burning boiler discharge slag, cement 480kg, magnetized water 180kg, sand 325kg, particle diameter be 10 ~
The graded broken stone 1230kg of 20mm, water reducer 3.4kg, acrylic resin 4kg, gcy activator 18kg；Its preparation method is following
Step:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery,
Remove after can dissolve salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is
1996kg/ m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the third of 25 ~ 35% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Olefin(e) acid resin adds in agitating device and stirs 1 ~ 2min, be subsequently adding particle diameter be the graded broken stone of 10 ~ 20mm, cement carry out secondary
Stirring, mixing time 25 ~ 30s, adds water reducer and 50 ~ 60% magnetized water carries out third time and stirs, mixing time 25 ~
30s, is eventually adding 50% acrylic resin and remaining magnetized water carries out the 4th stirring, mixing time 25 ~ 30s, that is, be obtained
The concrete of strength grade c35.
6th, in concrete, the consumption proportion of each material, in terms of preparing the quality of this material needed for every cube of concrete, is: rubbish
Rubbish burning electricity generation factory garbage burning boiler discharge slag, cement 520kg, magnetized water 178kg, sand 255kg, particle diameter be 10 ~
The graded broken stone 1220kg of 20mm, water reducer 3.8kg, acrylic resin 4kg, gcy activator 17kg；Its preparation method is following
Step:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery,
Remove after can dissolve salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is
1996kg/ m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the third of 25 ~ 35% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Olefin(e) acid resin adds in agitating device and stirs 1 ~ 2min, be subsequently adding particle diameter be the graded broken stone of 10 ~ 20mm, cement carry out secondary
Stirring, mixing time 25 ~ 30s, adds water reducer and 50 ~ 60% magnetized water carries out third time and stirs, mixing time 25 ~
30s, is eventually adding 50% acrylic resin and remaining magnetized water carries out the 4th stirring, mixing time 25 ~ 30s, that is, be obtained
The concrete of strength grade c40.
Preferably technical scheme is it may also is that the consumption proportion of each material is to prepare every cube of concrete in described concrete
The quality meter of this material required, be: the consumption proportion of each material in concrete, to prepare this material needed for every cube of concrete
Quality is calculated as: the slag 400kg of garbage burning boiler discharge of garbage incinerating power plant, cement 300kg, magnetized water 150kg, sand
260kg, particle diameter are the graded broken stone 1300kg of 10 ~ 20mm, water reducer 3.3kg, acrylic resin 4kg, gcy activator 20kg；
Its preparation method is following steps:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery,
Remove after can dissolve salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is
1996kg/ m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the propylene of 25% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Acid resin adds stirring 1min in agitating device, is subsequently adding the graded broken stone for 10 ~ 20mm for the particle diameter, cement carries out secondary stirring
Mix, mixing time 25s, add water reducer and 50% magnetized water carry out third time stir, mixing time 30s, be eventually adding
50% acrylic resin and remaining magnetized water carry out the 4th stirring, mixing time 25s, that is, be obtained.
Preferably technical scheme is it may also is that the consumption proportion of each material is to prepare every cube of concrete in described concrete
The quality meter of this material required, be: the consumption proportion of each material in concrete, to prepare this material needed for every cube of concrete
Quality is calculated as: the slag 250kg of garbage burning boiler discharge of garbage incinerating power plant, cement 550kg, magnetized water 200kg, sand
220kg, particle diameter are the graded broken stone 1100kg of 10 ~ 20mm, water reducer 4kg, acrylic resin 4kg, gcy activator 15kg；Its
Preparation method is following steps:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery,
Remove after can dissolve salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is
1996kg/ m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the propylene of 35% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Acid resin adds stirring 2min in agitating device, is subsequently adding the graded broken stone for 10 ~ 20mm for the particle diameter, cement carries out secondary stirring
Mix, mixing time 30s, add water reducer and 60% magnetized water carry out third time stir, mixing time 25s, be eventually adding
50% acrylic resin and remaining magnetized water carry out the 4th stirring, mixing time 30s, that is, be obtained.
The preprocess method of preferred generating slag:
(1) slag that garbage incinerating power plant discharges is passed through hydrolysis trough washery, remove after can dissolve salt, deliver to screening and set
Standby screened, screening obtains the slag that particle diameter is less than 100mm, and the larger clinker of volume, stone, concrete in slag
The metal of block and bulk deliver to sand shaker carry out one-level crush, be then return to screening installation；
(2) particle diameter is less than the slag entrance one-level magnetic separation of 100mm, removes the ferrum equimagnetic in slag by one-level magnetic separation
Property metal；
(3) after one-level magnetic separation, slag is delivered to wet type sand shaker and is carried out two-stage crushing, enters slag granules fineness as needed
Row adjustment, then carries out secondary magnetic separation, contained magnetic metal is removed by secondary magnetic separation；
(4) slag after secondary magnetic separation and flushing water mixture, flows into sawtooth pulsation jig, carries out buoyancy sorting, enter
One step removes remaining non-ferrous metal；Remove the slag sand grains after all metallicses, flowed through jigging machine discharging opening with water and flow into
Slag bath, slag bath sets barrier discharge outlet, after filtering, obtains garbage slag coarse aggregate.
Property for garbage slag and be used for preparing the feasibility of concrete through pretreated garbage slag, this
Bright applicant carried out related early-stage preparations and research, and ultimately form the waste incineration and generating electricity cinder concrete of the present invention
Preparation method, is described as follows.
With reference to normal concrete sand, stone quality and the method for inspection, every engineering properties of garbage slag is detected, its
Result and being analyzed as follows.
(1) particle diameter: garbage slag is processed into the particles of aggregates less than or equal to 0.16mm ~ 31.5mm, records refuse furnace
The modulus of fineness of slag fine aggregate is 3.8, and its value has exceeded the standard of building sand.As can be seen here, garbage slag is more suitable for
Coarse aggregate is used in concrete.As seen from Figure 1, the particle diameter of garbage slag is continuous, and grading curve is round and smooth, uninterrupted it is seen that it has
There is good continuous grading, be suitable as the aggregate of concrete.
(2) apparent density: garbage slag aggregate is shown in Table 1 with the apparent density of normal concrete aggregate.Garbage slag thickness
Aggregate is respectively less than ordinary gravel and sand, and this is mainly relevant with the constituent of garbage slag.In garbage slag, particle diameter is larger
Part is mainly slag and fragment of brick class material, and it has larger porosity so that apparent density is less；The less part of particle diameter
Mainly class ash flour, its lighter weight.Therefore, the apparent density of garbage slag is much smaller compared with normal concrete aggregate.
Analysis apparent density understands, under different-grain diameter, apparent density is bigger, and water absorption rate is lower with the relation of water absorption rate.
The apparent density contrast that table 1 garbage slag is gathered materials with normal concrete
.
(3) water absorption rate: the water absorption rate contrast that garbage slag and normal concrete gather materials can be shown in Table 2.Either with commonly thick
Aggregate (i.e. graded broken stone) or compared with fine aggregate (i.e. sand), even if the water absorption rate of garbage slag 1h is also far longer than common bone
Expect the water absorption rate of 24 h.Therefore, must take into, when using garbage slag as the aggregate in concrete, the shadow that high water absorbing capacity brings
Ring.And, in garbage slag, the water absorption rate of small particle is more than the water absorption rate of big particle diameter, and granule path portion is in whole garbage slag bone
Play a leading role in material water sorption.This be due to particle size fraction little in garbage slag be mainly water absorption stronger similar to ash
Flour.The water absorption rate of contrast 24h and 1h, garbage slag water absorption rate does not change much, and its water absorption course can be when shorter
Interior complete.
The water absorption rate contrast that table 2 garbage slag is gathered materials with normal concrete
.
(4) crush index: different-grain diameter garbage slag aggregate and normal concrete aggregate are carried out crush index test, right
Ratio the results are shown in Table 3.Garbage slag is more or less the same with the crush index of sand, and differ with the crush index of rubble larger it is seen that rubbish
The comprcssive strength of rubbish slag aggregate is low.This is because playing the slag class material of main resistance to compression effect, structure is not fine and close.However,
Using same grate furnace burning process, slag is mainly the very fine and close slag of structure, and its comprcssive strength is differed not with rubble
Greatly.Used using the garbage slag of current this character as the coarse aggregate in concrete, it is low-grade that it compares proper formulation
Concrete.
The crush index contrast that table 3 garbage slag is gathered materials with normal concrete
.
(5) impact to concrete crushing strength for the garbage slag aggregate: garbage slag is completely or partially substituted and commonly mixes
Solidifying soil coarse aggregate, studies the impact to concrete crushing strength for the garbage slag aggregate, is analyzed as follows.
1. damage -form
The visible Fig. 2 of garbage slag concrete destruction form.The damage -form of rubbish smelting concrete sample substantially with
Normal concrete is similar, but because it contains the tablets such as glass and potsherd, itself interface and cement gel body between is
Link the weakest, destroys and occurs mainly with this；Secondly produce glutinous for the interface between slag class coarse aggregate and cement gel body
Knot destroys.Because the comprcssive strength of garbage slag aggregate is relatively low, individual other places also occur in that the situation of aggregate destruction.It can be seen that, rubbish
Gill shape material in slag is the key factor affecting its comprcssive strength.
2. match ratio
In the design process of each material mix proportion of garbage slag concrete, when determining water consumption, can not be ignored
Individual problem is exactly the water absorption rate problem of garbage slag aggregate.Therefore, carry out match ratio using garbage slag aggregate activator method to set
Meter.Consider for preparing the water of concrete and its selection of the water yield simultaneously.Carry out garbage slag concrete mix-design when,
Required according to normal concrete strength coordination than design according to common concrete proportioning first, it is then determined that the use of absorption water
Amount, this part water determines according to effective water absorption rate of garbage slag aggregate.Simultaneously as the water absorption rate of garbage slag aggregate and
The reason elongated particles are more, so that the workability of concrete is unstable, must be poured using special therefore when test specimen is poured into a mould
Note technique is it is considered to mix certain auxiliary agent.
3. garbage slag aggregate Replacement rate
Garbage slag aggregate Replacement rate refers to garbage slag coarse aggregate and whole coarse aggregate mass ratioes in concrete.Fig. 3 table
Show the curve linear relationship that the ratio of mud is garbage slag Replacement rate and concrete crushing strength when 0.5.Due to garbage slag aggregate originally
The structural particularity of body, all substitutes coarse aggregate in concrete using garbage slag, the comprcssive strength of concrete is high, general than
Relatively it is suitable for preparing the concrete being numbered c30.Can find from curve, the comprcssive strength of garbage slag concrete and garbage slag
It is in non-linear relation between aggregate Replacement rate, the comprcssive strength highest when Replacement rate is 60%, 32.5(r can be prepared) concrete, mix
In solidifying soil, garbage slag coarse aggregate and whole coarse aggregate mass ratio are preferably between 50%-70%.Waste incineration slag and level are described
Join rubble combination, have more good level and join so that the level that comprcssive strength reaches the aggregate of concrete joins requirement.Therefore, select
Select suitable Replacement rate so that garbage slag and normal concrete coarse aggregate form good level joins, the anti-of concrete can be reached
Compressive Strength.
Through above-mentioned early-stage preparations and research work, ultimately form waste incineration and generating electricity slag of the present invention and mix
The preparation method of solidifying soil, the present invention having the beneficial effect that with respect to prior art:
(1) the inventive method has taken into full account the water absorption rate of garbage slag aggregate and elongated particles more impact coagulation
The comprcssive strength of soil, leads to its property factors of instability, by adding activator in formula by the oxidation in garbage slag
Silicon face is corroded, and strengthens the adhesive force between material；Meanwhile, concrete is carried out using the magnetized water with higher solubility
Stirring, can promote that concrete fills part mix and comparison is careful, final obtain concrete resistance to water and strength ratio uses light water
The concrete of stirring is more preferably；
(2) present invention prepares construction material using garbage slag it is achieved that the efficient recovery of resource and utilization, side of the present invention
Method is simple, and preparation efficiency is high, production process environmental protection, can obtain the concrete product of different intensity grades, institute by adjusting proportioning
Prepared concrete crushing strength, resistance to water are good；
(3) pass through to add acrylic resin can increase concrete batching system on the premise of not reducing concrete flowability
Plastic viscosity, suppression bleeding and isolation, reduce contraction distortion, improve cracking of reinforced concrete and adhesion strength, improve stability and
Overall performance；
(4) in described concrete preparation process, the coarse aggregate that replaced due to water absorption rate and its of garbage slag coarse aggregate and
The water absorption rate of other materials is different, simultaneously in order to take into account the stabilizing effect of acrylic resin, employs addition propylene in two batches
Acid resin, the method adding magnetized water in three batches, being stirred in four times, are divided by raw material and magnetized water, acrylic resin
Sequentially, in batches, the addition of dosis refracta, enables to the sufficient mix of concrete first, secondly can give full play to acrylic acid
The effect of resin, intensity, stability and overall performance have comprehensive raising.
Brief description
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is garbage slag grain size distribution；Fig. 2 is garbage slag concrete destruction form；Fig. 3 is garbage slag aggregate
Replacement rate and comprcssive strength graph of a relation；Fig. 4 is the preparation technology flow chart of waste incineration and generating electricity cinder concrete.
Specific embodiment
Below by embodiment, the present invention is described in further details, these embodiments are only used for the present invention is described, and
Do not limit the scope of the invention.
Embodiment 1 ~ 6 is pressed formula in table 4 and adopts following steps to prepare the concrete of six kinds of different intensity grades:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery,
Remove after can dissolve salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is
1996kg/ m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the propylene of 30% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Acid resin adds stirring 1min in agitating device, is subsequently adding the graded broken stone for 10 ~ 20mm for the particle diameter, cement carries out secondary stirring
Mix, mixing time 30s, add water reducer and 55% magnetized water carry out third time stir, mixing time 30s, be eventually adding
50% acrylic resin and remaining magnetized water carry out the 4th stirring, mixing time 30s, that is, be obtained.
Detect the slump of concrete of prepared six kind different intensity grades, comprcssive strength, as shown in table 4 simultaneously.
Table 4 concrete each material usage proportioning and the different strength concrete being prepared using the inventive method
Performance indications
.
In embodiment 7 concrete, the consumption proportion of each material to be in terms of preparing the quality of this material needed for every cube of concrete,
For: the consumption proportion of each material in concrete, it is calculated as with the quality preparing this material needed for every cube of concrete: waste incineration is sent out
Electroslag 400kg, cement 300kg, magnetized water 150kg, sand 260kg, particle diameter are the graded broken stone 1300kg of 10 ~ 20mm, diminishing
Agent 3.3kg, gcy activator 20kg and acrylic resin 4kg；Its preparation method is following steps:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery,
Remove after can dissolve salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is
1996kg/ m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the propylene of 25% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Acid resin adds stirring 1min in agitating device, is subsequently adding the graded broken stone for 10 ~ 20mm for the particle diameter, cement carries out secondary stirring
Mix, mixing time 25s, add water reducer and 50% magnetized water carry out third time stir, mixing time 30s, be eventually adding
50% acrylic resin and remaining magnetized water carry out the 4th stirring, mixing time 25s, that is, be obtained.
In embodiment 8 concrete, the consumption proportion of each material to be in terms of preparing the quality of this material needed for every cube of concrete,
For: the consumption proportion of each material in concrete, it is calculated as with the quality preparing this material needed for every cube of concrete: waste incineration is sent out
Electroslag 250kg, cement 550kg, magnetized water 200kg, sand 220kg, particle diameter are the graded broken stone 1100kg of 10 ~ 20mm, diminishing
Agent 4kg, gcy activator 15kg and acrylic resin 4kg；Its preparation method is following steps:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery,
Remove after can dissolve salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is
1996kg/ m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the propylene of 35% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Acid resin adds stirring 2min in agitating device, is subsequently adding the graded broken stone for 10 ~ 20mm for the particle diameter, cement carries out secondary stirring
Mix, mixing time 30s, add water reducer and 60% magnetized water carry out third time stir, mixing time 25s, be eventually adding
50% acrylic resin and remaining magnetized water carry out the 4th stirring, mixing time 30s, that is, be obtained.
Claims (8)
1. a kind of preparation method of waste incineration and generating electricity cinder concrete it is characterised in that: be prepared by following material, each material
Material consumption proportion in terms of preparing the quality of this material needed for every cube of concrete, be: the waste incineration of garbage incinerating power plant
The slag 385kg of boiler emission, cement 300kg, magnetized water 185kg, sand 345kg, particle diameter are the graded broken stone of 10 ~ 20mm
1165kg, water reducer 3.2kg, acrylic resin 4kg, gcy activator 19kg；Its preparation method is following steps:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery, remove
After dissolvable salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is 1996kg/
m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the acrylic acid of 25 ~ 35% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Resin adds stirring 1 ~ 2min in agitating device, is subsequently adding the graded broken stone for 10 ~ 20mm for the particle diameter, cement carries out secondary stirring
Mix, mixing time 25 ~ 30s, add water reducer and 50 ~ 60% magnetized water carry out third time stir, mixing time 25 ~ 30s,
It is eventually adding 50% acrylic resin and remaining magnetized water carries out the 4th stirring, mixing time 25 ~ 30s, that is, intensity is obtained
The concrete of grade c15；
Described gcy activator main component is sodium metasilicate, na4sio4Content is 95%, for adjusting the acid-base value of concrete,
The vitreous surface gathering materials in corrosion slag in mixing, strengthens the adhesive force between material.
2. a kind of preparation method of waste incineration and generating electricity cinder concrete it is characterised in that: be prepared by following material, each material
Material consumption proportion in terms of preparing the quality of this material needed for every cube of concrete, be: the waste incineration of garbage incinerating power plant
The slag 385kg of boiler emission, cement 355kg, magnetized water 185kg, sand 345kg, particle diameter are the graded broken stone of 10 ~ 20mm
1160kg, water reducer 3.2kg, acrylic resin 4kg, gcy activator 19kg；Its preparation method is following steps:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery, remove
After dissolvable salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is 1996kg/
m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the acrylic acid of 25 ~ 35% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Resin adds stirring 1 ~ 2min in agitating device, is subsequently adding the graded broken stone for 10 ~ 20mm for the particle diameter, cement carries out secondary stirring
Mix, mixing time 25 ~ 30s, add water reducer and 50 ~ 60% magnetized water carry out third time stir, mixing time 25 ~ 30s,
It is eventually adding 50% acrylic resin and remaining magnetized water carries out the 4th stirring, mixing time 25 ~ 30s, that is, intensity is obtained
The concrete of grade c20；
Described gcy activator main component is sodium metasilicate, na4sio4Content is 95%, for adjusting the acid-base value of concrete,
The vitreous surface gathering materials in corrosion slag in mixing, strengthens the adhesive force between material.
3. a kind of preparation method of waste incineration and generating electricity cinder concrete it is characterised in that: be prepared by following material, each material
Material consumption proportion in terms of preparing the quality of this material needed for every cube of concrete, be: the waste incineration of garbage incinerating power plant
The slag 330kg of boiler emission, cement 400kg, magnetized water 185kg, sand 315kg, particle diameter are the graded broken stone of 10 ~ 20mm
1180kg, water reducer 3kg, acrylic resin 4kg, gcy activator 19kg；Its preparation method is following steps:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery, remove
After dissolvable salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is 1996kg/
m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the acrylic acid of 25 ~ 35% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Resin adds stirring 1 ~ 2min in agitating device, is subsequently adding the graded broken stone for 10 ~ 20mm for the particle diameter, cement carries out secondary stirring
Mix, mixing time 25 ~ 30s, add water reducer and 50 ~ 60% magnetized water carry out third time stir, mixing time 25 ~ 30s,
It is eventually adding 50% acrylic resin and remaining magnetized water carries out the 4th stirring, mixing time 25 ~ 30s, that is, intensity is obtained
The concrete of grade c25；
Described gcy activator main component is sodium metasilicate, na4sio4Content is 95%, for adjusting the acid-base value of concrete,
The vitreous surface gathering materials in corrosion slag in mixing, strengthens the adhesive force between material.
4. a kind of preparation method of waste incineration and generating electricity cinder concrete it is characterised in that: be prepared by following material, each material
Material consumption proportion in terms of preparing the quality of this material needed for every cube of concrete, be: the waste incineration of garbage incinerating power plant
The slag 315kg of boiler emission, cement 450kg, magnetized water 183kg, sand 285kg, particle diameter are the graded broken stone of 10 ~ 20mm
1192kg, water reducer 3.5kg, acrylic resin 4kg, gcy activator 18.8kg；Its preparation method is following steps:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery, remove
After dissolvable salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is 1996kg/
m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the acrylic acid of 25 ~ 35% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Resin adds stirring 1 ~ 2min in agitating device, is subsequently adding the graded broken stone for 10 ~ 20mm for the particle diameter, cement carries out secondary stirring
Mix, mixing time 25 ~ 30s, add water reducer and 50 ~ 60% magnetized water carry out third time stir, mixing time 25 ~ 30s,
It is eventually adding 50% acrylic resin and remaining magnetized water carries out the 4th stirring, mixing time 25 ~ 30s, that is, intensity is obtained
The concrete of grade c30；
Described gcy activator main component is sodium metasilicate, na4sio4Content is 95%, for adjusting the acid-base value of concrete,
The vitreous surface gathering materials in corrosion slag in mixing, strengthens the adhesive force between material.
5. a kind of preparation method of waste incineration and generating electricity cinder concrete it is characterised in that: be prepared by following material, each material
Material consumption proportion in terms of preparing the quality of this material needed for every cube of concrete, be: the waste incineration of garbage incinerating power plant
The slag of boiler emission, cement 480kg, magnetized water 180kg, sand 325kg, particle diameter are the graded broken stone 1230kg of 10 ~ 20mm, subtract
Water preparation 3.4kg, acrylic resin 4kg, gcy activator 18kg；Its preparation method is following steps:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery, remove
After dissolvable salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is 1996kg/
m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the acrylic acid of 25 ~ 35% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Resin adds stirring 1 ~ 2min in agitating device, is subsequently adding the graded broken stone for 10 ~ 20mm for the particle diameter, cement carries out secondary stirring
Mix, mixing time 25 ~ 30s, add water reducer and 50 ~ 60% magnetized water carry out third time stir, mixing time 25 ~ 30s,
It is eventually adding 50% acrylic resin and remaining magnetized water carries out the 4th stirring, mixing time 25 ~ 30s, that is, intensity is obtained
The concrete of grade c35；
Described gcy activator main component is sodium metasilicate, na4sio4Content is 95%, for adjusting the acid-base value of concrete,
The vitreous surface gathering materials in corrosion slag in mixing, strengthens the adhesive force between material.
6. a kind of preparation method of waste incineration and generating electricity cinder concrete it is characterised in that: be prepared by following material, each material
Material consumption proportion in terms of preparing the quality of this material needed for every cube of concrete, be: the waste incineration of garbage incinerating power plant
The slag of boiler emission, cement 520kg, magnetized water 178kg, sand 255kg, particle diameter are the graded broken stone 1220kg of 10 ~ 20mm, subtract
Water preparation 3.8kg, acrylic resin 4kg, gcy activator 17kg；Its preparation method is following steps:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery, remove
After dissolvable salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is 1996kg/
m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the acrylic acid of 25 ~ 35% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Resin adds stirring 1 ~ 2min in agitating device, is subsequently adding the graded broken stone for 10 ~ 20mm for the particle diameter, cement carries out secondary stirring
Mix, mixing time 25 ~ 30s, add water reducer and 50 ~ 60% magnetized water carry out third time stir, mixing time 25 ~ 30s,
It is eventually adding 50% acrylic resin and remaining magnetized water carries out the 4th stirring, mixing time 25 ~ 30s, that is, intensity is obtained
The concrete of grade c40；
Described gcy activator main component is sodium metasilicate, na4sio4Content is 95%, for adjusting the acid-base value of concrete,
The vitreous surface gathering materials in corrosion slag in mixing, strengthens the adhesive force between material.
7. a kind of preparation method of waste incineration and generating electricity cinder concrete it is characterised in that: be prepared by following material, each material
The consumption proportion of material is calculated as with the quality preparing this material needed for every cube of concrete: the waste incineration pot of garbage incinerating power plant
Slag 400kg that fire grate is put, cement 300kg, magnetized water 150kg, sand 260kg, particle diameter are the graded broken stone of 10 ~ 20mm
1300kg, water reducer 3.3kg, acrylic resin 4kg, gcy activator 20kg；Its preparation method is following steps:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery, remove
After dissolvable salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is 1996kg/
m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the acrylic acid tree of 25% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Fat adds stirring 1min in agitating device, is subsequently adding the graded broken stone for 10 ~ 20mm for the particle diameter, cement carries out secondary stirring, stirs
Mix time 25s, add water reducer and 50% magnetized water carry out third time stir, mixing time 30s, be eventually adding the third of 50%
Olefin(e) acid resin and remaining magnetized water carry out the 4th stirring, mixing time 25s, that is, be obtained；
Described gcy activator main component is sodium metasilicate, na4sio4Content is 95%, for adjusting the acid-base value of concrete,
The vitreous surface gathering materials in corrosion slag in mixing, strengthens the adhesive force between material.
8. a kind of preparation method of waste incineration and generating electricity cinder concrete it is characterised in that: be prepared by following material, each material
The consumption proportion of material is calculated as with the quality preparing this material needed for every cube of concrete: the waste incineration pot of garbage incinerating power plant
Slag 250kg that fire grate is put, cement 550kg, magnetized water 200kg, sand 220kg, particle diameter are the graded broken stone of 10 ~ 20mm
1100kg, water reducer 4kg, acrylic resin 4kg, gcy activator 15kg；Its preparation method is following steps:
(1) slag pretreatment: by the slag of the garbage burning boiler discharge of garbage incinerating power plant through hydrolysis trough washery, remove
After dissolvable salt, by broken screening, magnetic separation, buoyancy sorting, screening, acquisition particle diameter is 3 ~ 5mm, apparent density is 1996kg/
m3Garbage slag coarse aggregate；
(2) magnetized water preparation: adopt magnetizator, in advance tap water is magnetized, obtain magnetized water, standby；
(3) concrete preparation: first by the acrylic acid tree of 35% magnetized water, gcy activator, garbage slag coarse aggregate, sand and 50%
Fat adds stirring 2min in agitating device, is subsequently adding the graded broken stone for 10 ~ 20mm for the particle diameter, cement carries out secondary stirring, stirs
Mix time 30s, add water reducer and 60% magnetized water carry out third time stir, mixing time 25s, be eventually adding the third of 50%
Olefin(e) acid resin and remaining magnetized water carry out the 4th stirring, mixing time 30s, that is, be obtained；
Described gcy activator main component is sodium metasilicate, na4sio4Content is 95%, for adjusting the acid-base value of concrete,
The vitreous surface gathering materials in corrosion slag in mixing, strengthens the adhesive force between material.
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| CN106830777B (en) * | 2016-12-19 | 2019-05-28 | 深圳广田集团股份有限公司 | The regeneration fill concrete of consumer waste incineration residue preparation and its application |
| CN108240985A (en) * | 2016-12-26 | 2018-07-03 | 亚东预拌混凝土股份有限公司 | The fast sieve detection method of sandstone stove quarrel |
| CN107500696A (en) * | 2017-07-04 | 2017-12-22 | 成都秉德科技有限公司 | A kind of clinker recycle device after waste incineration |
| CN115010392B (en) * | 2022-03-21 | 2023-03-21 | 武汉理工大学 | Resource utilization method of vitrified coal gasification furnace slag |
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