CN106495651A - A kind of method that concrete segment is prepared as raw material with mercury ore barren rock - Google Patents
A kind of method that concrete segment is prepared as raw material with mercury ore barren rock Download PDFInfo
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- CN106495651A CN106495651A CN201510565738.7A CN201510565738A CN106495651A CN 106495651 A CN106495651 A CN 106495651A CN 201510565738 A CN201510565738 A CN 201510565738A CN 106495651 A CN106495651 A CN 106495651A
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- mercury ore
- barren rock
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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 present invention relates to mercury ore barren rock processing technology field, specifically related to a kind of method that concrete segment is prepared as raw material with mercury ore barren rock, mercury ore barren rock is crushed to granularity for 100-120 mesh, with the flyash of pretreatment, after river sand compound stirs, it is heated to 50-60 DEG C, stop heating up, after being simultaneously introduced additive mix homogeneously, add water, it is stirred 10-15min, obtain mixture mortar just finished product, put it in mould, thermostatic curing is carried out in bulk, through the demoulding, obtain concrete segment, the invention belongs to resource-conserving method, effectively utilizes mercury ore barren rock produces concrete building brick, mercury ore barren rock is turned waste into wealth, on the one hand solving mercury ore hillock abandons the adverse effect for causing；On the other hand resource reutilization is achieved.
Description
Technical field
The present invention relates to mercury ore barren rock processing technology field, and in particular to a kind of preparation as raw material with mercury ore barren rock is mixed
The method of solidifying earth building blocks.
Background technology
Mercury ore produces a large amount of solid slags in exploitation, and one side appropriation of land is decomposed by the microorganisms and discharges
Harmful gass contaminated soil；On the other hand, corroded by wind and rain for a long time, produce alkaline water and cause polluted-water.
At present, the process of the solid slag of mercury ore mostly is and is stacked, in the prior art, the process of mercury ore barren rock is ground
Study carefully less, wherein, Application No. 201110118796.7《A kind of process flow for fluidized smelting of mercury》Disclose
A kind of method for processing mercurous tcrude ore, the mercury ore barren rock that abandons in a large number is used, and it is useless to achieve production
Water circulation use, but equipment investment is big, and preparation condition is harsh, and energy resource consumption is larger, is unfavorable for processing hydrargyrum in a large number
Ore deposit barren rock.
At present, with the rise of building industry, the application of concrete building brick is more and more wider, in the prior art,
Concrete building brick is more to be made up with Binder Materials such as cement, Calx or Gypsum Fibrosum of major ingredient, and production cost is higher, especially
It is, using low temperature and high relative humidity maintenance technology, to increased energy consumption, extends the production time, therefore, existing
The promotion effect of concrete building brick is still not ideal enough.
For this purpose, the present inventor studies mercury ore barren rock performance for many years, it is that the process problem of mercury ore barren rock proposes one kind newly
Thinking.
Content of the invention
The present invention is to solve the problems, such as the stacking of mercury ore barren rock, there is provided a kind of low cost, time is short, utilization rate is high
Mercury ore barren rock processing method, is achieved especially by technical scheme below：
A kind of method that concrete segment is prepared as raw material with mercury ore barren rock, raw material include with flyash, river sand,
Mercury ore barren rock is major ingredient and additive, wherein, additive usage≤major ingredient consumption 4%.
Further, parts by weight of raw materials proportioning be 8-15 part flyash, 10-23 part river sands, 32-57 part mercury ore barren rocks,
The additive of consumption≤major ingredient consumption 4%.
Further, parts by weight of raw materials proportioning is 13 parts of flyash, 17 parts of river sands, 45 parts of mercury ore barren rocks, consumptions
The additive of≤major ingredient consumption 4%.
The additive is mixed by wooden sodium, modified starch, fiber.
The additive be by 0.8% wooden sodium, 56.3% modified starch, the mass percent mixing of 42.9% fiber and
Into.
Its preparation method is：
(1) by coal-ash immersion in the carboxymethylcellulose sodium solution that concentration is 80% 4h, adjust temperature be
100 DEG C, at the uniform velocity stirred after 20min as 30r/min with rotating speed, be placed in drying 10min in the baking oven that temperature is 80 DEG C,
Obtain the flyash of pretreatment；
(2) river sand is placed in blender carries out three sections of stirrings, stirs 15min every time, and wherein, first paragraph is stirred
Mix rotating speed is 30r/min, and second segment speed of agitator is 60r/min, and the 3rd section of speed of agitator is 120r/min, then
Add the flyash of pretreatment to be stirred 30min, speed of agitator is 240r/min, obtain compound A；
(3) mercury ore barren rock is crushed to granularity for 100-120 mesh, after stirring with compound A, is heated to
50-60 DEG C, stop heating up, be simultaneously introduced additive mix homogeneously, obtain compound B, add water, carry out
Stirring 10-15min, obtains mixture mortar just finished product, puts it in mould, carry out thermostatic curing in bulk,
Through the demoulding, concrete segment is obtained.
The addition water, its ratio of water to material are 0.2-0.3.
The thermostatic curing, its temperature are 75-85 DEG C, and humidity is 8-13%.
The beneficial effect that the present invention reaches
The present invention effectively utilizes mercury ore barren rock production concrete building brick, mercury ore barren rock is turned waste into wealth, on the one hand
Solve mercury ore hillock and abandon the adverse effect for causing；On the other hand resource reutilization is achieved, has saved resource；
Flyash is carried out soaking, is stirred so that the Flexible change value of flyash porosity increases, in conjunction with through three sections
The river sand of stirring so that river sand and flyash can be complementary to one another in structure, further combined with mercury ore barren rock,
So that hole is filled, by rational technological process, in conjunction with the control reasonably with when manufacturing parameter,
So that storeroom there occurs energy variation, and then cause stable connection to be formed between particle, and then make mercury ore barren rock
On the premise of non-gelling material, it is achieved that the production of concrete building brick, by carrying out to which
GB/T17671-1999《Test method for strength of hydraulic cement mortar (ISO methods)》Standard testing, find：Which resists
Pressure, rupture strength can reach the strength grade that conventional concrete is laid bricks, and thus illustrate, the concrete of the present invention is built
Brick has good resistance to compression, a fracture resistance, and low cost of the present invention, energy consumption be little, resource-conserving.
Specific embodiment
Technical scheme is further limited with reference to specific embodiment, but require to protect
The scope of shield is not only limited to description.
Embodiment 1
A kind of method for preparing concrete segment as raw material with mercury ore barren rock, parts by weight of raw materials proportioning are 9 parts of fine coal
Ash, 21 parts of river sands, 36 parts of mercury ores, additives that consumption is major ingredient consumption 3%.
The major ingredient is flyash, river sand, mercury ore.
The additive be by 0.8% wooden sodium, 56.3% modified starch, the mass percent mixing of 42.9% fiber and
Into.
Its preparation method is：
(1) by coal-ash immersion in the carboxymethylcellulose sodium solution that concentration is 80% 4h, adjust temperature be
100 DEG C, at the uniform velocity stirred after 20min as 30r/min with rotating speed, be placed in drying 10min in the baking oven that temperature is 80 DEG C,
Obtain the flyash of pretreatment；
(2) river sand is placed in blender carries out three sections of stirrings, stirs 15min every time, and wherein, first paragraph is stirred
Mix rotating speed is 30r/min, and second segment speed of agitator is 60r/min, and the 3rd section of speed of agitator is 120r/min, then
Add the flyash of pretreatment to be stirred 30min, speed of agitator is 240r/min, obtain compound A；
(3) mercury ore barren rock is crushed to granularity for 100 mesh, after stirring with compound A, is heated to 55 DEG C,
Stop heating up, be simultaneously introduced additive mix homogeneously, obtain compound B, add water, be stirred 12min,
Mixture mortar just finished product is obtained, is put it in mould, thermostatic curing is carried out in bulk, through the demoulding, obtained
Concrete segment.
The addition water, its ratio of water to material are 0.25.
The thermostatic curing, its temperature are 80 DEG C, and humidity is 10%.
Embodiment 2
A kind of method for preparing concrete segment as raw material with mercury ore barren rock, parts by weight of raw materials proportioning are 13 parts of fine coal
Ash, 15 parts of river sands, 55 parts of mercury ores, additives that consumption is major ingredient consumption 1%.
The major ingredient is flyash, river sand, mercury ore barren rock.
The additive be by 0.8% wooden sodium, 56.3% modified starch, the mass percent mixing of 42.9% fiber and
Into.
Its preparation method is：
(1) by coal-ash immersion in the carboxymethylcellulose sodium solution that concentration is 80% 4h, adjust temperature be
100 DEG C, at the uniform velocity stirred after 20min as 30r/min with rotating speed, be placed in drying 10min in the baking oven that temperature is 80 DEG C,
Obtain the flyash of pretreatment；
(2) river sand is placed in blender carries out three sections of stirrings, stirs 15min every time, and wherein, first paragraph is stirred
Mix rotating speed is 30r/min, and second segment speed of agitator is 60r/min, and the 3rd section of speed of agitator is 120r/min, then
Add the flyash of pretreatment to be stirred 30min, speed of agitator is 240r/min, obtain compound A；
(3) mercury ore barren rock is crushed to granularity for 105 mesh, after stirring with compound A, is heated to 58 DEG C,
Stop heating up, be simultaneously introduced additive mix homogeneously, obtain compound B, add water, be stirred 15min,
Mixture mortar just finished product is obtained, is put it in mould, thermostatic curing is carried out in bulk, through the demoulding, obtained
Concrete segment.
The addition water, its ratio of water to material are 0.2.
The thermostatic curing, its temperature are 85 DEG C, and humidity is 13%.
Embodiment 3
A kind of method for preparing concrete segment as raw material with mercury ore barren rock, parts by weight of raw materials proportioning are 13 parts of fine coal
Ash, 17 parts of river sands, 45 parts of mercury ore barren rocks, additives that consumption is major ingredient consumption 4%.
The major ingredient is flyash, river sand, mercury ore barren rock.
The additive be by 0.8% wooden sodium, 56.3% modified starch, the mass percent mixing of 42.9% fiber and
Into.
Its preparation method is：
(1) by coal-ash immersion in the carboxymethylcellulose sodium solution that concentration is 80% 4h, adjust temperature be
100 DEG C, at the uniform velocity stirred after 20min as 30r/min with rotating speed, be placed in drying 10min in the baking oven that temperature is 80 DEG C,
Obtain the flyash of pretreatment；
(2) river sand is placed in blender carries out three sections of stirrings, stirs 15min every time, and wherein, first paragraph is stirred
Mix rotating speed is 30r/min, and second segment speed of agitator is 60r/min, and the 3rd section of speed of agitator is 120r/min, then
Add the flyash of pretreatment to be stirred 30min, speed of agitator is 240r/min, obtain compound A；
(3) mercury ore barren rock is crushed to granularity for 110 mesh, after stirring with compound A, is heated to 50 DEG C,
Stop heating up, be simultaneously introduced additive mix homogeneously, obtain compound B, add water, be stirred 10min,
Mixture mortar just finished product is obtained, is put it in mould, thermostatic curing is carried out in bulk, through the demoulding, obtained
Concrete segment.
The addition water, its ratio of water to material are 0.4.
The thermostatic curing, its temperature are 90 DEG C, and humidity is 5%.
Embodiment 4
A kind of method for preparing concrete segment as raw material with mercury ore barren rock, parts by weight of raw materials proportioning are 7 parts of fine coal
Ash, 30 parts of river sands, 60 parts of mercury ore barren rocks, additives that consumption is major ingredient consumption 0.1%.
The major ingredient is flyash, river sand, mercury ore.
The additive be by 0.2% wooden sodium, 53.8% modified starch, the mass percent mixing of 46% fiber and
Into.
Its preparation method is：
(1) by coal-ash immersion in the carboxymethylcellulose sodium solution that concentration is 80% 4h, adjust temperature be
100 DEG C, at the uniform velocity stirred after 20min as 30r/min with rotating speed, be placed in drying 10min in the baking oven that temperature is 80 DEG C,
Obtain the flyash of pretreatment；
(2) river sand is placed in blender carries out three sections of stirrings, stirs 15min every time, and wherein, first paragraph is stirred
Mix rotating speed is 30r/min, and second segment speed of agitator is 60r/min, and the 3rd section of speed of agitator is 120r/min, then
Add the flyash of pretreatment to be stirred 30min, speed of agitator is 240r/min, obtain compound A；
(3) mercury ore barren rock is crushed to granularity for 120 mesh, after stirring with compound A, is heated to 60 DEG C,
Stop heating up, be simultaneously introduced additive mix homogeneously, obtain compound B, add water, be stirred 15min,
Mixture mortar just finished product is obtained, is put it in mould, thermostatic curing is carried out in bulk, through the demoulding, obtained
Concrete segment.
The addition water, its ratio of water to material are 0.15.
The thermostatic curing, its temperature are 73 DEG C, and humidity is 13%.
Embodiment 5
A kind of method for preparing concrete segment as raw material with mercury ore barren rock, parts by weight of raw materials proportioning are 19 parts of fine coal
Ash, 13 parts of river sands, 40 parts of mercury ore barren rocks, additives that consumption is major ingredient consumption 6%.
The major ingredient is flyash, river sand, mercury ore.
The additive is mixed by the mass percent of 4% wooden sodium, 59% modified starch, 37% fiber.
Its preparation method is：
(1) by coal-ash immersion in the carboxymethylcellulose sodium solution that concentration is 80% 4h, adjust temperature be
100 DEG C, at the uniform velocity stirred after 20min as 30r/min with rotating speed, be placed in drying 10min in the baking oven that temperature is 80 DEG C,
Obtain the flyash of pretreatment；
(2) river sand is placed in blender carries out three sections of stirrings, stirs 15min every time, and wherein, first paragraph is stirred
Mix rotating speed is 30r/min, and second segment speed of agitator is 60r/min, and the 3rd section of speed of agitator is 120r/min, then
Add the flyash of pretreatment to be stirred 30min, speed of agitator is 240r/min, obtain compound A；
(3) mercury ore barren rock is crushed to granularity for 110 mesh, after stirring with compound A, is heated to 52 DEG C,
Stop heating up, be simultaneously introduced additive mix homogeneously, obtain compound B, add water, be stirred 15min,
Mixture mortar just finished product is obtained, is put it in mould, thermostatic curing is carried out in bulk, through the demoulding, obtained
Concrete segment.
The addition water, its ratio of water to material are 0.25.
The thermostatic curing, its temperature are 87 DEG C, and humidity is 8%.
Embodiment 6
A kind of method for preparing concrete segment as raw material with mercury ore barren rock, parts by weight of raw materials proportioning are 14 parts of fine coal
Ash, 13 parts of river sands, 55 parts of mercury ore barren rocks, additives that consumption is major ingredient consumption 0.5%.
The major ingredient is flyash, river sand, mercury ore.
The additive be by 0.8% wooden sodium, 56.3% modified starch, the mass percent mixing of 42.9% fiber and
Into.
Its preparation method is：
(1) by coal-ash immersion in the carboxymethylcellulose sodium solution that concentration is 80% 4h, adjust temperature be
100 DEG C, at the uniform velocity stirred after 20min as 30r/min with rotating speed, be placed in drying 10min in the baking oven that temperature is 80 DEG C,
Obtain the flyash of pretreatment；
(2) river sand is placed in blender carries out three sections of stirrings, stirs 15min every time, and wherein, first paragraph is stirred
Mix rotating speed is 30r/min, and second segment speed of agitator is 60r/min, and the 3rd section of speed of agitator is 120r/min, then
Add the flyash of pretreatment to be stirred 30min, speed of agitator is 240r/min, obtain compound A；
(3) mercury ore barren rock is crushed to granularity for 120 mesh, after stirring with compound A, is heated to 62 DEG C,
Stop heating up, be simultaneously introduced additive mix homogeneously, obtain compound B, add water, be stirred 10min,
Mixture mortar just finished product is obtained, is put it in mould, thermostatic curing is carried out in bulk, through the demoulding, obtained
Concrete segment.
The addition water, its ratio of water to material are 0.3.
The thermostatic curing, its temperature are 90 DEG C, and humidity is 5%.
Embodiment 7
A kind of method for preparing concrete segment as raw material with mercury ore barren rock, parts by weight of raw materials proportioning are 15 parts of fine coal
Ash, 15 parts of river sands, 31 parts of mercury ore barren rocks, additives that consumption is major ingredient consumption 0.5%.
The major ingredient is flyash, river sand, mercury ore.
The additive be by 0.8% wooden sodium, 56.3% modified starch, the mass percent mixing of 42.9% fiber and
Into.
Its preparation method is：
(1) by coal-ash immersion in the carboxymethylcellulose sodium solution that concentration is 80% 4h, adjust temperature be
100 DEG C, at the uniform velocity stirred after 20min as 30r/min with rotating speed, be placed in drying 10min in the baking oven that temperature is 80 DEG C,
Obtain the flyash of pretreatment；
(2) river sand is placed in blender carries out three sections of stirrings, stirs 15min every time, and wherein, first paragraph is stirred
Mix rotating speed is 30r/min, and second segment speed of agitator is 60r/min, and the 3rd section of speed of agitator is 120r/min, then
Add the flyash of pretreatment to be stirred 30min, speed of agitator is 240r/min, obtain compound A；
(3) mercury ore barren rock is crushed to granularity for 110 mesh, after stirring with compound A, is heated to 55 DEG C,
Stop heating up, be simultaneously introduced additive mix homogeneously, obtain compound B, add water, be stirred 13min,
Mixture mortar just finished product is obtained, is put it in mould, thermostatic curing is carried out in bulk, through the demoulding, obtained
Concrete segment.
The addition water, its ratio of water to material are 0.28.
The thermostatic curing, its temperature are 72 DEG C, and humidity is 15%.
Embodiment 8
A kind of method for preparing concrete segment as raw material with mercury ore barren rock, parts by weight of raw materials proportioning are 10 parts of fine coal
Ash, 8 parts of river sands, 61 parts of mercury ore barren rocks, additives that consumption is major ingredient consumption 4.2%.
The major ingredient is flyash, suitable, mercury ore barren rock.
The additive is mixed by the mass percent of 2% wooden sodium, 63% modified starch, 35% fiber.
Its preparation method is：
(1) by coal-ash immersion in the carboxymethylcellulose sodium solution that concentration is 80% 4h, adjust temperature be
100 DEG C, at the uniform velocity stirred after 20min as 30r/min with rotating speed, be placed in drying 10min in the baking oven that temperature is 80 DEG C,
Obtain the flyash of pretreatment；
(2) river sand is placed in blender carries out three sections of stirrings, stirs 15min every time, and wherein, first paragraph is stirred
Mix rotating speed is 30r/min, and second segment speed of agitator is 60r/min, and the 3rd section of speed of agitator is 120r/min, then
Add the flyash of pretreatment to be stirred 30min, speed of agitator is 240r/min, obtain compound A；
(3) mercury ore barren rock is crushed to granularity for 120 mesh, after stirring with compound A, is heated to 49 DEG C,
Stop heating up, be simultaneously introduced additive mix homogeneously, obtain compound B, add water, be stirred 13min,
Mixture mortar just finished product is obtained, is put it in mould, thermostatic curing is carried out in bulk, through the demoulding, obtained
Concrete segment.
The addition water, its ratio of water to material are 0.32.
The thermostatic curing, its temperature are 83 DEG C, and humidity is 12%.
Embodiment 9
A kind of method for preparing concrete segment as raw material with mercury ore barren rock, parts by weight of raw materials proportioning are 8 parts of fine coal
Ash, 11 parts of river sands, 29 parts of mercury ore barren rocks, additives that consumption is major ingredient consumption 0.08%.
The major ingredient is flyash, river sand, mercury ore barren rock.
The additive be by 0.8% wooden sodium, 56.3% modified starch, the mass percent mixing of 42.9% fiber and
Into.
Its preparation method is：
(1) by coal-ash immersion in the carboxymethylcellulose sodium solution that concentration is 80% 4h, adjust temperature be
100 DEG C, at the uniform velocity stirred after 20min as 30r/min with rotating speed, be placed in drying 10min in the baking oven that temperature is 80 DEG C,
Obtain the flyash of pretreatment；
(2) river sand is placed in blender carries out three sections of stirrings, stirs 15min every time, and wherein, first paragraph is stirred
Mix rotating speed is 30r/min, and second segment speed of agitator is 60r/min, and the 3rd section of speed of agitator is 120r/min, then
Add the flyash of pretreatment to be stirred 30min, speed of agitator is 240r/min, obtain compound A；
(3) mercury ore barren rock is crushed to granularity for 100 mesh, after stirring with compound A, is heated to 65 DEG C,
Stop heating up, be simultaneously introduced additive mix homogeneously, obtain compound B, add water, be stirred 12min,
Mixture mortar just finished product is obtained, is put it in mould, thermostatic curing is carried out in bulk, through the demoulding, obtained
Concrete segment.
The addition water, its ratio of water to material are 0.22.
The thermostatic curing, its temperature are 83 DEG C, and humidity is 10%.
Test example 1
Establishing criteria GB/T17671-1999《Test method for strength of hydraulic cement mortar (ISO methods)》Requirement is carried out by force
Degree detection, product prepared by embodiment 1-9, tradition is laid bricks, conventional concrete is laid bricks carries out resistance to compression, anti-folding
Strength test, its result are as shown in table 1 below：
Table 1
| Test specimen is numbered | Comprcssive strength (MPa) | Rupture strength (MPa) |
| Tradition is laid bricks | 9.8 | 3.5 |
| Conventional concrete is laid bricks | 16.1 | 6.2 |
| Embodiment 1 | 16.3 | 6.7 |
| Embodiment 2 | 15.4 | 6.5 |
| Embodiment 3 | 13.5 | 4.6 |
| Embodiment 4 | 17.2 | 7.3 |
| Embodiment 5 | 14.4 | 5.3 |
| Embodiment 6 | 16.9 | 7.1 |
| Embodiment 7 | 16.2 | 5.9 |
| Embodiment 8 | 10.7 | 4.2 |
| Embodiment 9 | 14.8 | 6.8 |
As seen from the above table, lay bricks with tradition, compared with conventional concrete lays bricks, prepared by embodiment 1-9 scheme mixed
The comprcssive strength and rupture strength that solidifying soil is laid bricks is laid bricks more excellent than tradition, lays bricks with conventional concrete very nearly the same,
Also, strength grade is with composition of raw materials, admixture dosage and constituent, amount of water, maintenance humiture etc.
Change and different.
Claims (6)
1. a kind of method that concrete segment is prepared as raw material with mercury ore barren rock, it is characterised in that parts by weight of raw materials proportioning is 8-15 part flyash, 10-23 part river sands, 32-57 part mercury ore barren rocks, the additive of consumption≤major ingredient consumption 4%.
2. the method for concrete segment being prepared as raw material with mercury ore barren rock as claimed in claim 1, it is characterised in that parts by weight of raw materials proportioning is 13 parts of flyash, 17 parts of river sands, 45 parts of mercury ore barren rocks, the additive of consumption≤major ingredient consumption 4%.
3. the method for concrete segment being prepared as raw material with mercury ore barren rock as claimed in claim 1 or 2, it is characterised in that the additive is mixed by the mass percent of 0.8% wooden sodium, 56.3% modified starch, 42.9% fiber.
4. the method for concrete segment being prepared as raw material with mercury ore barren rock as claimed in claim 1 or 2, it is characterised in that its method is：
(1) by coal-ash immersion in the carboxymethylcellulose sodium solution that concentration is 80% 4h, it is 100 DEG C to adjust temperature, is at the uniform velocity stirred after 20min with rotating speed as 30r/min, is placed in the baking oven that temperature is 80 DEG C drying 10min, obtains the flyash of pretreatment；
(2) river sand is placed in blender carries out three sections of stirrings, 15min is stirred every time, wherein, first paragraph speed of agitator is 30r/min, second segment speed of agitator is 60r/min, and the 3rd section of speed of agitator is 120r/min, and the flyash for being subsequently adding pretreatment is stirred 30min, speed of agitator is 240r/min, obtains compound A；
(3) mercury ore barren rock is crushed to granularity for 100-120 mesh, after stirring with compound A, is heated to 50-60 DEG C, stop heating up, additive mix homogeneously is simultaneously introduced, compound B is obtained, is added water, it is stirred 10-15min, mixture mortar just finished product is obtained, and is put it in mould, thermostatic curing is carried out in bulk, through the demoulding, concrete segment is obtained.
5. the method for preparing concrete segment with mercury ore barren rock as raw material as claimed in claim 4, it is characterised in that the addition water, its ratio of water to material are 0.2-0.3.
6. the method for preparing concrete segment with mercury ore barren rock as raw material as claimed in claim 4, it is characterised in that the thermostatic curing, its temperature are 75-85 DEG C, and humidity is 8-13%.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110395698A (en) * | 2019-07-10 | 2019-11-01 | 清华大学 | A kind of chemical admixture solution and its preparation method and application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110395698A (en) * | 2019-07-10 | 2019-11-01 | 清华大学 | A kind of chemical admixture solution and its preparation method and application |
| CN110395698B (en) * | 2019-07-10 | 2021-10-08 | 清华大学 | Chemical additive solution and preparation method and application thereof |
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