CN110218071A - The breaking method of bulk steel slag - Google Patents
The breaking method of bulk steel slag Download PDFInfo
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- CN110218071A CN110218071A CN201910366466.6A CN201910366466A CN110218071A CN 110218071 A CN110218071 A CN 110218071A CN 201910366466 A CN201910366466 A CN 201910366466A CN 110218071 A CN110218071 A CN 110218071A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
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- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
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- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of breaking method of bulk steel slag, takes: 10-100 parts of Extend position, 1-15 parts of burnt lime, 5-20 parts of ordinary portland cement, 5-30 parts of steel slag fine powder, 1-10 parts of gypsum, 1-20 parts of waterglass, 1-5 parts of water-reducing agent, 5-30 parts of water stocks are configured to swelling agent A paste；It takes: being configured to hole sealing agent B paste after 1-5 parts of burnt lime, 5-30 parts of ordinary portland cement, 10-70 parts of steel slag fine powder, 1-5 parts of semi-hydrated gypsum, 1-50 parts of waterglass, 1-5 parts of water-reducing agent, 5-30 parts of water stocks；The hole of hole diameter 60-100mm, length 500-800mm on bulk steel slag；The swelling agent A of preparation is put into the hole bored on steel slag, is filled to 1/2 to 3/4 position in hole, then by the hole sealing agent B extrusion packing of preparation to full hole.Its advantage is that it is safe and efficient, using noiseless swelling agent, using the slow volume expansion effect of swelling agent by slag steel spalling, while novel drilling sealing compound is used, swelling agent is avoided to squeeze out the effect for influencing spalling and destroying slag steel from aperture.
Description
Technical field
The present invention relates to the technical field that metallurgy industry handles steel slag, in particular to a kind of bulk steel slag is crushed
Method.
Background technique
(so-called bulk steel slag refers to that long edge size is greater than 800mm, short side dimension to existing bulk steel slag in present specification
Steel slag greater than 500mm) crushing technology (common to have stewing heat, gas cutting and weight method).It is the common method of slag processing that heat is stewing,
For the steel slag significant effect of the condition of high temperature, the steel slag of bulk is decomposed because of heat expansion rapidly；Gas cutting is exactly that gas flame is used to make
Industry separates the high steel slag of iron content (or being slag steel)；Weight exactly slings a weight, then plumps and pounds in bulk
On steel slag, hammer so that slag crushing.
A kind of method of the stewing dusting converter slag of heat as disclosed in patent No. CN104152607A, to the steel slag of super large block into
Row heat of fetching water is stewing, but it is that steel slag that fresh baked or band have surplus heat heat of fetching water is stewing just effective that the patent, which also highlights, for
The steel slag cooling, iron-content is high, the implementation result of this patent are less than satisfactory.
The method long period of gas cutting, it is at high cost, and not environmentally.
The method low efficiency of weight, it is at high cost and dangerous.Slag steel destroyer disclosed in patent No. CN201596525U, system
Making a kind of equipment, using the method for weight to carry out hammering broken, although more safe and environment-friendly than the prior art, processing cost
It is high.
Summary of the invention
It is an object of the invention to provide a kind of safe and efficient, using noiseless swelling agent, the slow body of swelling agent is utilized
Slag steel spalling is used novel drilling sealing compound by product expansion, avoid swelling agent squeezed out from aperture influence it is swollen
Split the breaking method for destroying the bulk steel slag of effect of slag steel.
Solution of the invention is such that
A kind of breaking method of bulk steel slag, it is characterised in that: comprising steps of
(1), it swelling agent A making step: takes: 10-100 parts of Extend position, 1-15 parts of burnt lime, ordinary portland cement 5-20
Part, 5-30 parts of steel slag fine powder, 1-10 parts of gypsum, 1-20 parts of waterglass, 1-5 parts of water-reducing agent, 5-30 parts of water stocks；By scoria
Ash, burnt lime, ordinary portland cement, steel slag fine powder, gypsum were milled to 200 meshes, and swelling agent A mixing fine powders are made, will be upper
It states stirring after waterglass, water-reducing agent, water is added in swelling agent A mixing fine powders obtained and is configured to swelling agent A paste；
(2), hole sealing agent B making step: take: 1-5 parts of burnt lime, 5-30 parts of ordinary portland cement, 10-70 parts of steel slag fine powder,
1-5 parts of semi-hydrated gypsum, 1-50 parts of waterglass, 1-5 parts of water-reducing agent, 5-30 parts of water stocks；By burnt lime, ordinary portland cement,
Steel slag fine powder, semi-hydrated gypsum were milled to 200 meshes, and hole sealing agent B mixing fine powders are made, and hole sealing agent B obtained above were mixed thin
Stirring is configured to hole sealing agent B paste after waterglass, water-reducing agent, water is added in powder；
(3), on bulk steel slag hole diameter 60-100mm, length 500-800mm hole；
(4), the swelling agent A of preparation is put into the hole bored on steel slag, is filled to 1/2 to 3/4 position in hole, then by preparation
Hole sealing agent B extrusion packing is to full hole；
(5), steel slag is placed to split to steel slag.
More specific technical solution further include: comprising steps of
(1), swelling agent A making step: take: 10-90 parts of Extend position, 1-13 parts of burnt lime, 5-18 parts of ordinary portland cement,
5-28 parts of steel slag fine powder, 1-8 parts of gypsum, 1-18 parts of waterglass, 1-4 parts of water-reducing agent, 5-28 parts of water stocks；By Extend position, burn
Lime, ordinary portland cement, steel slag fine powder, gypsum were milled to 200 meshes, and swelling agent A mixing fine powders are made, and were made above-mentioned
Swelling agent A mixing fine powders be added that waterglass, water-reducing agent, stirring is configured to swelling agent A paste after water；
(2), hole sealing agent B making step: take: 1-4 parts of burnt lime, 5-30 parts of ordinary portland cement, 10-65 parts of steel slag fine powder,
1-4 parts of semi-hydrated gypsum, 1-48 parts of waterglass, 1-4 parts of water-reducing agent, 5-28 parts of water stocks；By burnt lime, ordinary portland cement,
Steel slag fine powder, semi-hydrated gypsum were milled to 200 meshes, and hole sealing agent B mixing fine powders are made, and hole sealing agent B obtained above were mixed thin
Stirring is configured to hole sealing agent B paste after waterglass, water-reducing agent, water is added in powder；
(3), on bulk steel slag hole diameter 60-90mm, length 500-750mm hole；
(4), the swelling agent A of preparation is put into the hole bored on steel slag, is filled to 1/2 to 3/4 position in hole, then by preparation
Hole sealing agent B extrusion packing is to full hole；
(5), steel slag is placed to split to steel slag.
It is further: comprising steps of
(1), it swelling agent A making step: takes: 20-100 parts of Extend position, 6-15 parts of burnt lime, ordinary portland cement 8-20
Part, 10-30 parts of steel slag fine powder, 5-10 parts of gypsum, 8-20 parts of waterglass, 2-5 parts of water-reducing agent, 8-30 parts of water stocks；By scoria
Ash, burnt lime, ordinary portland cement, steel slag fine powder, gypsum were milled to 200 meshes, and swelling agent A mixing fine powders are made, will be upper
It states stirring after waterglass, water-reducing agent, water is added in swelling agent A mixing fine powders obtained and is configured to swelling agent A paste；
(2), hole sealing agent B making step: take: 2-5 parts of burnt lime, 8-30 parts of ordinary portland cement, 20-70 parts of steel slag fine powder,
2-5 parts of semi-hydrated gypsum, 10-50 parts of waterglass, 2-5 parts of water-reducing agent, 8-30 parts of water stocks；By burnt lime, ordinary portland cement,
Steel slag fine powder, semi-hydrated gypsum were milled to 200 meshes, and hole sealing agent B mixing fine powders are made, and hole sealing agent B obtained above were mixed thin
Stirring is configured to hole sealing agent B paste after waterglass, water-reducing agent, water is added in powder；
(3), on bulk steel slag hole diameter 65-100mm, length 550-800mm hole；
(4), the swelling agent A of preparation is put into the hole bored on steel slag, is filled to 1/2 to 3/4 position in hole, then by preparation
Hole sealing agent B extrusion packing is to full hole；
(5), steel slag is placed to split to steel slag.
It is further: comprising steps of
(1), it swelling agent A making step: takes: 30-100 parts of Extend position, 10-15 parts of burnt lime, ordinary portland cement 9-20
Part, 15-30 parts of steel slag fine powder, 7-10 parts of gypsum, 15-20 parts of waterglass, 3-5 parts of water-reducing agent, 15-30 parts of water stocks；By burning
Lime, burnt lime, ordinary portland cement, steel slag fine powder, gypsum were milled to 200 meshes, and swelling agent A mixing fine powders are made, will
Stirring is configured to swelling agent A paste after waterglass, water-reducing agent, water is added in swelling agent A mixing fine powders obtained above；
(2), hole sealing agent B making step: take: 3-5 parts of burnt lime, 15-30 parts of ordinary portland cement, 30-70 parts of steel slag fine powder,
3-5 parts of semi-hydrated gypsum, 20-50 parts of waterglass, 3-5 parts of water-reducing agent, 20-30 parts of water stocks；By burnt lime, normal silicate water
Mud, steel slag fine powder, semi-hydrated gypsum were milled to 200 meshes, and hole sealing agent B mixing fine powders are made, and hole sealing agent B obtained above is mixed
Stirring is configured to hole sealing agent B paste after waterglass, water-reducing agent, water is added in fine powder；
(3), on bulk steel slag hole diameter 70-100mm, length 700-800mm hole；
(4), the swelling agent A of preparation is put into the hole bored on steel slag, is filled to 1/2 to 3/4 position in hole, then by preparation
Hole sealing agent B extrusion packing is to full hole；
(5), steel slag is placed to split to steel slag.
It is further: comprising steps of
(1), swelling agent A making step: take: 10-70 parts of Extend position, 1-10 parts of burnt lime, 5-16 parts of ordinary portland cement,
5-20 parts of steel slag fine powder, 1-6 parts of gypsum, 1-12 parts of waterglass, 1-3 parts of water-reducing agent, 5-20 parts of water stocks；By Extend position, burn
Lime, ordinary portland cement, steel slag fine powder, gypsum were milled to 200 meshes, and swelling agent A mixing fine powders are made, and were made above-mentioned
Swelling agent A mixing fine powders be added that waterglass, water-reducing agent, stirring is configured to swelling agent A paste after water；
(2), hole sealing agent B making step: take: 1-3 parts of burnt lime, 5-20 parts of ordinary portland cement, 10-50 parts of steel slag fine powder,
1-3 parts of semi-hydrated gypsum, 1-40 parts of waterglass, 1-3 parts of water-reducing agent, 5-10 parts of water stocks；By burnt lime, ordinary portland cement,
Steel slag fine powder, semi-hydrated gypsum were milled to 200 meshes, and hole sealing agent B mixing fine powders are made, and hole sealing agent B obtained above were mixed thin
Stirring is configured to hole sealing agent B paste after waterglass, water-reducing agent, water is added in powder；
(3), on bulk steel slag hole diameter 60-80mm, length 500-700mm hole；
(4), the swelling agent A of preparation is put into the hole bored on steel slag, is filled to 1/2 to 3/4 position in hole, then by preparation
Hole sealing agent B extrusion packing is to full hole；
(5), steel slag is placed to split to steel slag.
In above-mentioned technical proposal, the quantity to drill on bulk steel slag is required according to user product size and capacity of equipment
Determine still there is bulk steel slag as bored after a hole is split, can be crushed again to the bulk steel slag.
It is an advantage of the invention that it is safe and efficient, using noiseless swelling agent, acted on using the slow volume expansion of swelling agent
By slag steel spalling, while novel drilling sealing compound is used, avoiding swelling agent from squeezing out from aperture influences spalling destruction slag steel
Effect.
Specific embodiment
The invention includes the following steps:
(1), it swelling agent A making step: takes: 10-100 parts of Extend position, 1-15 parts of burnt lime, ordinary portland cement 5-20
Part, 5-30 parts of steel slag fine powder, 1-10 parts of gypsum, 1-20 parts of waterglass, 1-5 parts of water-reducing agent, 5-30 parts of water stocks；By scoria
Ash, burnt lime, ordinary portland cement, steel slag fine powder, gypsum were milled to 200 meshes, and swelling agent A mixing fine powders are made, will be upper
It states stirring after waterglass, water-reducing agent, water is added in swelling agent A mixing fine powders obtained and is configured to swelling agent A paste；
(2), hole sealing agent B making step: take: 1-5 parts of burnt lime, 5-30 parts of ordinary portland cement, 10-70 parts of steel slag fine powder,
1-5 parts of semi-hydrated gypsum, 1-50 parts of waterglass, 1-5 parts of water-reducing agent, 5-30 parts of water stocks；By burnt lime, ordinary portland cement,
Steel slag fine powder, semi-hydrated gypsum were milled to 200 meshes, and hole sealing agent B mixing fine powders are made, and hole sealing agent B obtained above were mixed thin
Stirring is configured to hole sealing agent B paste after waterglass, water-reducing agent, water is added in powder；
(3), on bulk steel slag hole diameter 60-100, length 500-800 hole；
(4), the swelling agent A of preparation is put into the hole bored on steel slag, is filled to 1/2 to 3/4 position in hole, then by preparation
Hole sealing agent B extrusion packing is to full hole；
(5), steel slag is placed to split to steel slag.
Based on above-mentioned basic technical scheme, the present invention has following examples:
Embodiment 1:
Step 1: hole (aperture 80mm, long 600mm) is first drilled on super large block steel slag using drilling machine.
Step 2: by 70 parts of Extend position, 1 part of burnt lime, 8 parts of ordinary portland cement, 4 parts of grindings of gypsum to 200 mesh,
Obtain mixing fine powders a.
Step 3: extremely by 40 parts of 2 parts of burnt lime, 20 parts of ordinary portland cement, 3 parts of semi-hydrated gypsum, steel slag fine powder grindings
200 mesh obtain mixing fine powders b.
Step 4: in use site, 8 parts of appropriate 2 parts of waterglass of mixing fine powders a addition, 1 part of water-reducing agent, water stirrings is taken to match
Swelling agent A paste is made.Then the extrusion expansion agent A into the hole being drilled, fills the half of the length in hole.
Step 5: in use site, 5 parts of appropriate 12 parts of waterglass of mixing fine powders b addition, 1 part of water-reducing agent, water stirrings is taken to match
Hole sealing agent B paste is made.Then hole sealing agent B, filling to full hole are squeezed into hole.
Step 6: the quantity to drill on bulk steel slag requires product size according to user and capacity of equipment determines, such as
Boring after a hole is split still has bulk steel slag, can be crushed again to the bulk steel slag.
Slag steel splits after 12-36 hours.
Embodiment 2:
Step 1: hole (aperture 70mm, long 800mm) is first drilled on super large block steel slag using drilling machine.
Step 2: by 80 parts of Extend position, 4 parts of burnt lime, 6 parts of ordinary portland cement, 5 parts of grindings of gypsum to 200 mesh,
Obtain mixing fine powders a.
Step 3: by 30 parts of 1 part of common burnt lime, 22 parts of ordinary portland cement, 4 parts of semi-hydrated gypsum, steel slag fine powder powder
200 mesh are milled to, mixing fine powders b is obtained.
Step 4: in use site, appropriate 1 part of water-reducing agent of mixing fine powders a addition, 10 parts of water stirrings is taken to be configured to paste
Swelling agent A.Then the extrusion expansion agent A into the hole being drilled, fills the half of the length in hole.
Step 5: in use site, 6 parts of appropriate 15 parts of waterglass of mixing fine powders b addition, 1 part of water-reducing agent, water stirrings is taken to match
Hole sealing agent B paste is made.Then hole sealing agent B, filling to full hole are squeezed into hole.
Slag steel splits after standing 12-36 hours.
Claims (5)
1. a kind of breaking method of bulk steel slag, it is characterised in that: comprising steps of
(1), it swelling agent A making step: takes: 10-100 parts of Extend position, 1-15 parts of burnt lime, ordinary portland cement 5-20
Part, 5-30 parts of steel slag fine powder, 1-10 parts of gypsum, 1-20 parts of waterglass, 1-5 parts of water-reducing agent, 5-30 parts of water stocks；By scoria
Ash, burnt lime, ordinary portland cement, steel slag fine powder, gypsum were milled to 200 meshes, and swelling agent A mixing fine powders are made, will be upper
It states stirring after waterglass, water-reducing agent, water is added in swelling agent A mixing fine powders obtained and is configured to swelling agent A paste；
(2), hole sealing agent B making step: take: 1-5 parts of burnt lime, 5-30 parts of ordinary portland cement, 10-70 parts of steel slag fine powder,
1-5 parts of semi-hydrated gypsum, 1-50 parts of waterglass, 1-5 parts of water-reducing agent, 5-30 parts of water stocks；By burnt lime, ordinary portland cement,
Steel slag fine powder, semi-hydrated gypsum were milled to 200 meshes, and hole sealing agent B mixing fine powders are made, and hole sealing agent B obtained above were mixed thin
Stirring is configured to hole sealing agent B paste after waterglass, water-reducing agent, water is added in powder；
(3), on bulk steel slag hole diameter 60-100mm, length 500-800mm hole；
(4), the swelling agent A of preparation is put into the hole bored on steel slag, is filled to 1/2 to 3/4 position in hole, then by preparation
Hole sealing agent B extrusion packing is to full hole；
(5), steel slag is placed to split to steel slag.
2. the breaking method of bulk steel slag according to claim 1, it is characterised in that: comprising steps of
(1), swelling agent A making step: take: 10-90 parts of Extend position, 1-13 parts of burnt lime, 5-18 parts of ordinary portland cement,
5-28 parts of steel slag fine powder, 1-8 parts of gypsum, 1-18 parts of waterglass, 1-4 parts of water-reducing agent, 5-28 parts of water stocks；By Extend position, burn
Lime, ordinary portland cement, steel slag fine powder, gypsum were milled to 200 meshes, and swelling agent A mixing fine powders are made, and were made above-mentioned
Swelling agent A mixing fine powders be added that waterglass, water-reducing agent, stirring is configured to swelling agent A paste after water；
(2), hole sealing agent B making step: take: 1-4 parts of burnt lime, 5-30 parts of ordinary portland cement, 10-65 parts of steel slag fine powder,
1-4 parts of semi-hydrated gypsum, 1-48 parts of waterglass, 1-4 parts of water-reducing agent, 5-28 parts of water stocks；By burnt lime, ordinary portland cement,
Steel slag fine powder, semi-hydrated gypsum were milled to 200 meshes, and hole sealing agent B mixing fine powders are made, and hole sealing agent B obtained above were mixed thin
Stirring is configured to hole sealing agent B paste after waterglass, water-reducing agent, water is added in powder；
(3), on bulk steel slag hole diameter 60-90mm, length 500-750mm hole；
(4), the swelling agent A of preparation is put into the hole bored on steel slag, is filled to 1/2 to 3/4 position in hole, then by preparation
Hole sealing agent B extrusion packing is to full hole；
, place steel slag split to steel slag.
3. the breaking method of bulk steel slag according to claim 1, it is characterised in that: comprising steps of
(1), it swelling agent A making step: takes: 20-100 parts of Extend position, 6-15 parts of burnt lime, ordinary portland cement 8-20
Part, 10-30 parts of steel slag fine powder, 5-10 parts of gypsum, 8-20 parts of waterglass, 2-5 parts of water-reducing agent, 8-30 parts of water stocks；By scoria
Ash, burnt lime, ordinary portland cement, steel slag fine powder, gypsum were milled to 200 meshes, and swelling agent A mixing fine powders are made, will be upper
It states stirring after waterglass, water-reducing agent, water is added in swelling agent A mixing fine powders obtained and is configured to swelling agent A paste；
(2), hole sealing agent B making step: take: 2-5 parts of burnt lime, 8-30 parts of ordinary portland cement, 20-70 parts of steel slag fine powder,
2-5 parts of semi-hydrated gypsum, 10-50 parts of waterglass, 2-5 parts of water-reducing agent, 8-30 parts of water stocks；By burnt lime, ordinary portland cement,
Steel slag fine powder, semi-hydrated gypsum were milled to 200 meshes, and hole sealing agent B mixing fine powders are made, and hole sealing agent B obtained above were mixed thin
Stirring is configured to hole sealing agent B paste after waterglass, water-reducing agent, water is added in powder；
(3), on bulk steel slag hole diameter 65-100mm, length 550-800mm hole；
(4), the swelling agent A of preparation is put into the hole bored on steel slag, is filled to 1/2 to 3/4 position in hole, then by preparation
Hole sealing agent B extrusion packing is to full hole；
, place steel slag split to steel slag.
4. the breaking method of bulk steel slag according to claim 1, it is characterised in that: comprising steps of
(1), it swelling agent A making step: takes: 30-100 parts of Extend position, 10-15 parts of burnt lime, ordinary portland cement 9-20
Part, 15-30 parts of steel slag fine powder, 7-10 parts of gypsum, 15-20 parts of waterglass, 3-5 parts of water-reducing agent, 15-30 parts of water stocks；By burning
Lime, burnt lime, ordinary portland cement, steel slag fine powder, gypsum were milled to 200 meshes, and swelling agent A mixing fine powders are made, will
Stirring is configured to swelling agent A paste after waterglass, water-reducing agent, water is added in swelling agent A mixing fine powders obtained above；
(2), hole sealing agent B making step: take: 3-5 parts of burnt lime, 15-30 parts of ordinary portland cement, 30-70 parts of steel slag fine powder,
3-5 parts of semi-hydrated gypsum, 20-50 parts of waterglass, 3-5 parts of water-reducing agent, 20-30 parts of water stocks；By burnt lime, normal silicate water
Mud, steel slag fine powder, semi-hydrated gypsum were milled to 200 meshes, and hole sealing agent B mixing fine powders are made, and hole sealing agent B obtained above is mixed
Stirring is configured to hole sealing agent B paste after waterglass, water-reducing agent, water is added in fine powder；
(3), on bulk steel slag hole diameter 70-100mm, length 700-800mm hole；
(4), the swelling agent A of preparation is put into the hole bored on steel slag, is filled to 1/2 to 3/4 position in hole, then by preparation
Hole sealing agent B extrusion packing is to full hole；
, place steel slag split to steel slag.
5. the breaking method of bulk steel slag according to claim 1, it is characterised in that: comprising steps of
(1), swelling agent A making step: take: 10-70 parts of Extend position, 1-10 parts of burnt lime, 5-16 parts of ordinary portland cement,
5-20 parts of steel slag fine powder, 1-6 parts of gypsum, 1-12 parts of waterglass, 1-3 parts of water-reducing agent, 5-20 parts of water stocks；By Extend position, burn
Lime, ordinary portland cement, steel slag fine powder, gypsum were milled to 200 meshes, and swelling agent A mixing fine powders are made, and were made above-mentioned
Swelling agent A mixing fine powders be added that waterglass, water-reducing agent, stirring is configured to swelling agent A paste after water；
(2), hole sealing agent B making step: take: 1-3 parts of burnt lime, 5-20 parts of ordinary portland cement, 10-50 parts of steel slag fine powder,
1-3 parts of semi-hydrated gypsum, 1-40 parts of waterglass, 1-3 parts of water-reducing agent, 5-10 parts of water stocks；By burnt lime, ordinary portland cement,
Steel slag fine powder, semi-hydrated gypsum were milled to 200 meshes, and hole sealing agent B mixing fine powders are made, and hole sealing agent B obtained above were mixed thin
Stirring is configured to hole sealing agent B paste after waterglass, water-reducing agent, water is added in powder；
(3), on bulk steel slag hole diameter 60-80mm, length 500-700mm hole；
(4), the swelling agent A of preparation is put into the hole bored on steel slag, is filled to 1/2 to 3/4 position in hole, then by preparation
Hole sealing agent B extrusion packing is to full hole；
(5), steel slag is placed to split to steel slag.
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