CN106518110A - Gunning mix using magnesia-calcium residual bricks as raw material and preparing method thereof - Google Patents
Gunning mix using magnesia-calcium residual bricks as raw material and preparing method thereof Download PDFInfo
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- CN106518110A CN106518110A CN201610955456.2A CN201610955456A CN106518110A CN 106518110 A CN106518110 A CN 106518110A CN 201610955456 A CN201610955456 A CN 201610955456A CN 106518110 A CN106518110 A CN 106518110A
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- parts
- raw material
- magnesia
- magnesium carbon
- residual brick
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
Abstract
The invention relates to a gunning mix using magnesia-calcium residual bricks as a raw material. The gunning mix is prepared from the following raw materials in parts by weight: 15-30 parts of magnesia-calcium residual bricks with a grain size which is larger than 0 and smaller than 1mm, 15-30 parts of magnesia-calcium residual bricks with a grain size which is larger than 1 and smaller than 3mm, 10-22 parts of magnesia with a grain size which is larger than 0 and smaller than 1mm, 10-22 parts of magnesia with a grain size which is larger than 1 and smaller than 3mm, 18-28 parts of 200-mesh magnesia with a grain size smaller than 0.074mm, 0.5-5 parts of CA-50 cement, 0.5-5 parts of bentonite, 1-8 parts of sodium silicate and 0.5-7 parts of modified asphalt. According to the invention, the production cost is reduced, the economical benefit is remarkable, and the ecological environment is improved. The technical level of a refractory material in China is improved, and the competitiveness of the industry is improved. The gunning mix has great significance in the economical development of the region.
Description
Technical field
The present invention relates to refractory material, more particularly to a kind of gunning refractory and preparation method with the residual brick of magnesium carbon as raw material.
Background technology
Main component in the residual brick of magnesium carbon is MgO and C, can fully recycle wherein composition, carry out recycling processing
Afterwards, reclaimed materials are made, produces the higher atypic refractory material of quality.
At present, the external comprehensive utilization to used refractory is paid much attention to, some developed countries and Japan in Europe etc.
Exploitation of the state very early to metallurgical used refractory are conducted in-depth research, and achieve substantially progress.2003
In front and back, Europe is 1.2kg per capita using used refractory amount, and the used refractory for having 82% has been obtained by；Japan
Refractory material after steel and iron industry is mainly used as the substitute of slag former and molding sand；Nippon Steel develops and produces continuous casting with waste material
The production method at the mouth of a river；Lu Dao steel plant have studied the recycling technique of slide plate, make the slide plate service life after reparation sliding with new
Plate is the same；The utilization rate of the waste and old refractory material of Zhi Gang companies of Datong District reaches 58%；Italian Officine Meccaniche di
Ponzano Venetto companies develop a kind of recovery and using the method for used refractory, and the method is main
For reclaiming the refractory material of various stoves, tundish, ingot mould and ladle liner, and the refractory material for being reclaimed directly is sprayed
It is blown into stove to protect furnace wall.
Also in the ground zero stage, used refractory is most of discarded, makes for the regeneration of China's waste refractory materials
Into the great wasting of resources, and destroy environmental health.In recent years, with the carrying out and implementing of environmental protection policy, refractory material city
The increasingly fierce of competition, the cost efficiency of iron and steel enterprise and the people economize on resources, the improve consciousness of environment is improved, state
Inside start to pay attention to the comprehensive utilizating research of used refractory.
The content of the invention
The technical problem to be solved is to provide a kind of gunning refractory with the residual brick of magnesium carbon as raw material, and reduction is produced into
This, meets the requirement of gunning refractory performance indications.
For achieving the above object, the present invention employs the following technical solutions realization：
A kind of gunning refractory with the residual brick of magnesium carbon as raw material, is formed by weight ratio by following raw material：0 ＜ particle diameters≤1mm
The residual brick 15-30 parts of magnesium carbon, residual brick 15-30 parts of magnesium carbon of 1 ＜ particle diameters≤3mm, magnesia 10-22 parts of 0 ＜ particle diameters≤1mm, 1 ＜
Magnesia 10-22 parts of particle diameter≤3mm, magnesia 18-28 parts of 200 mesh (less than 0.074mm), CA-50 cement 0.5-5 parts, swelling
Native 0.5-5 parts, sodium silicate 1-8 parts, modified pitch 0.5-7 parts.
A kind of spray repair preparation method for material with the residual brick of magnesium carbon as raw material, comprises the following steps that：
1. choose：From the residual brick that sort out in the residual brick heap of magnesium carbon can be reused；
2. raw material is broken, screening, fine grinding：
1) magnesium carbon residual brick jaw crusher is broken into into bulky grain；It is 0-3mm bulky grain to be crushed with kibbler roll
The little particle of (0 ＜ particle diameters≤3mm)；Sieved with vibrosieve be 0-1mm (0 ＜ particle diameters≤1mm), 1-3mm (1 ＜ particle diameters≤
3mm) the raw material of two kinds of particle diameters；
2) magnesia jaw crusher is broken into into bulky grain；It is 0-3mm (0 ＜ bulky grain to be crushed with kibbler roll
Particle diameter≤3mm) little particle；Part little particle Raymond machine is finely ground into into the fine powder of 200 mesh (particle diameter is in below 0.074mm)；
Sieved with vibrosieve is 0-1mm, 1-3mm, the raw material of 200 three kinds of particle diameters of mesh；
Feedstock specifications are shown in Table 1；
Table 1：
3. dispensing：Raw material is weighed by above-mentioned formula；
4. knead：
1) pour sodium silicate, modified pitch, CA-50 cement, bentonite in blender 3～5min of kneading to be premixed
Close；
2) 1-3mm, 0-1mm particle diameter raw material is poured in mixing system tank, is delivered to hybrid system after dry-mixed 3min, then
By step 1) in premix material and 200 mesh magnesia powder add hybrid system in stir 5～7min, then discharge；
5. discharge：After discharging, check, check and accept and pack and to obtain finished product.
The physical and chemical index of gunning refractory finished product is shown in Table 2；
Table 2：
Compared with prior art, the invention has the beneficial effects as follows：
Present invention reduces production cost, remarkable in economical benefits, improve the ecological environment.Improve the technology of China's refractory material
Level, lifts industry competition ability, and the economic development of this area is also of great importance.
Specific embodiment
With reference to embodiment, the present invention is further described：
Following examples describe the present invention.These embodiments are only that preferred embodiment of the invention is entered
Row description, does not limit to the scope of the present invention.
Gunning refractory Example formulations with the residual brick of magnesium carbon as raw material are shown in Table 3；
Table 3：Gunning mix (unit of embodiment 1-3 with the residual brick of magnesium carbon as raw material：%)
A kind of spray repair preparation method for material with the residual brick of magnesium carbon as raw material, comprises the following steps that：
1. choose：From the residual brick that sort out in the residual brick heap of magnesium carbon can be reused；
2. raw material is broken, screening, fine grinding：
1) magnesium carbon residual brick jaw crusher is broken into into bulky grain；It is 0-3mm bulky grain to be crushed with kibbler roll
The little particle of (0 ＜ particle diameters≤3mm)；Sieved with vibrosieve be 0-1mm (0 ＜ particle diameters≤1mm), 1-3mm (1 ＜ particle diameters≤
3mm) the raw material of two kinds of particle diameters；
2) magnesia jaw crusher is broken into into bulky grain；It is 0-3mm (0 ＜ bulky grain to be crushed with kibbler roll
Particle diameter≤3mm) little particle；Part little particle Raymond machine is finely ground into into the fine powder of 200 mesh (particle diameter is in below 0.074mm)；
Sieved with vibrosieve is 0-1mm, 1-3mm, the raw material of 200 three kinds of particle diameters of mesh；
Feedstock specifications are shown in Table 1；
3. dispensing：Raw material is weighed respectively by 3 formula of table；
4. knead：
1) pour sodium silicate, modified pitch, CA-50 cement, bentonite in blender 3～5min of kneading to be premixed
Close；
2) 1-3mm, 0-1mm particle diameter raw material is poured in mixing system tank, is delivered to hybrid system after dry-mixed 3min, then
By step 1) in premix material and 200 mesh magnesia powder add hybrid system in stir 5～7min, then discharge；
5. discharge：After discharging, check, check and accept and pack and to obtain finished product；
Embodiment 1-3 end properties index meets table 2；
YB 367-75 are pressed in the sampling of material, examination《Refractory product sampling, examination, keeping and transport rule》Carry out, take at random
Sample does chemical composition analysis.
YB 367-75 are pressed in the packaging of material, transport and storage《Refractory product sampling, examination, keeping and transport rule》Carry out.
Material must be accompanied by the certificate of quanlity that technical supervision department signs and issues when dispatching from the factory, indicate supplier's title or emblem mark, demanding party
Title, Shipping Date, contract number, standard number, name of product, the trade mark, lot number and physical and chemical index.
Described above is only the ultimate principle of the present invention, and not the present invention is imposed any restrictions, every right according to the present invention
Which carries out equivalent variations and modification, within the category of the art of this patent protection scheme.
Claims (3)
1. a kind of gunning refractory with the residual brick of magnesium carbon as raw material, it is characterised in that formed by following raw material by weight ratio：0 ＜
Residual brick 15-30 parts of magnesium carbon of particle diameter≤1mm, residual brick 15-30 parts of magnesium carbon of 1 ＜ particle diameters≤3mm, the magnesia of 0 ＜ particle diameters≤1mm
10-22 parts, magnesia 10-22 parts of 1 ＜ particle diameters≤3mm, magnesia 18-28 parts of 200 mesh, CA-50 cement 0.5-5 parts, bentonite
0.5-5 parts, sodium silicate 1-8 parts, modified pitch 0.5-7 parts.
2. a kind of spray repair preparation method for material with the residual brick of magnesium carbon as raw material according to claim 1, it is characterised in that concrete
Step is as follows：
1. choose：From the residual brick that sort out in the residual brick heap of magnesium carbon can be reused；
2. raw material is broken, screening, fine grinding：
1) magnesium carbon residual brick jaw crusher is broken into into bulky grain；It is the little of 0-3mm bulky grain to be crushed with kibbler roll
Granule；Sieved with vibrosieve be two kinds of particle diameters of 0-1mm, 1-3mm raw material；
2) magnesia jaw crusher is broken into into bulky grain；With kibbler roll by bulky grain crush be 0-3mm little particle；
Part little particle Raymond machine is finely ground into into the fine powder of 200 mesh；Sieved with vibrosieve is 0-1mm, 1-3mm, three kinds of 200 mesh
The raw material of particle diameter, feedstock specifications are shown in Table 1；
Table 1：
3. dispensing：Raw material is weighed by above-mentioned formula；
4. knead：
1) pouring sodium silicate, modified pitch, CA-50 cement, bentonite in blender 3～5min of kneading carries out premixing；
2) 1-3mm, 0-1mm particle diameter raw material is poured in mixing system tank, after dry-mixed 3min, is delivered to hybrid system, then will step
It is rapid 1) in premix material and 200 mesh magnesia powder add hybrid system in stir 5～7min, then discharge；
5. discharge：After discharging, check, check and accept and pack and to obtain finished product.
3. a kind of gunning refractory with the residual brick of magnesium carbon as raw material according to claim 1, it is characterised in that gunning refractory finished product
Physical and chemical index is shown in Table 2；
Table 2：
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610955456.2A CN106518110A (en) | 2016-11-03 | 2016-11-03 | Gunning mix using magnesia-calcium residual bricks as raw material and preparing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106966739A (en) * | 2017-04-01 | 2017-07-21 | 海城市中兴镁质合成材料有限公司 | A kind of RH gunning refractories of improvement |
| CN107382339A (en) * | 2017-07-18 | 2017-11-24 | 海城市中兴镁质合成材料有限公司 | A kind of ladle gunning refractory and preparation method for adding titanium nitride |
| CN107805055A (en) * | 2017-11-22 | 2018-03-16 | 海城利尔麦格西塔材料有限公司 | A kind of ladle gunning refractory for adding calcium boride and preparation method thereof |
| CN108341676A (en) * | 2018-03-12 | 2018-07-31 | 常州达奥新材料科技有限公司 | A kind of preparation method of high temperature resistant anti-erosion gunning refractory |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372487A (en) * | 2010-08-25 | 2012-03-14 | 宝山钢铁股份有限公司 | Magnesium-carbon gunning mix |
| CN103274708A (en) * | 2013-06-09 | 2013-09-04 | 山西太钢不锈钢股份有限公司 | Method for preparing refractory material by utilizing wasted magnesia carbon brick |
| CN103642974A (en) * | 2013-12-04 | 2014-03-19 | 海城市金福锋耐火材料有限公司 | Long-life magnesian gunite mixture for rotary furnace |
| CN105399429A (en) * | 2014-08-21 | 2016-03-16 | 青岛炜烨锻压机械有限公司 | MgO-CaO-C-based dry gunning material and preparation method thereof |
-
2016
- 2016-11-03 CN CN201610955456.2A patent/CN106518110A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372487A (en) * | 2010-08-25 | 2012-03-14 | 宝山钢铁股份有限公司 | Magnesium-carbon gunning mix |
| CN103274708A (en) * | 2013-06-09 | 2013-09-04 | 山西太钢不锈钢股份有限公司 | Method for preparing refractory material by utilizing wasted magnesia carbon brick |
| CN103642974A (en) * | 2013-12-04 | 2014-03-19 | 海城市金福锋耐火材料有限公司 | Long-life magnesian gunite mixture for rotary furnace |
| CN105399429A (en) * | 2014-08-21 | 2016-03-16 | 青岛炜烨锻压机械有限公司 | MgO-CaO-C-based dry gunning material and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106966739A (en) * | 2017-04-01 | 2017-07-21 | 海城市中兴镁质合成材料有限公司 | A kind of RH gunning refractories of improvement |
| CN107382339A (en) * | 2017-07-18 | 2017-11-24 | 海城市中兴镁质合成材料有限公司 | A kind of ladle gunning refractory and preparation method for adding titanium nitride |
| CN107805055A (en) * | 2017-11-22 | 2018-03-16 | 海城利尔麦格西塔材料有限公司 | A kind of ladle gunning refractory for adding calcium boride and preparation method thereof |
| CN108341676A (en) * | 2018-03-12 | 2018-07-31 | 常州达奥新材料科技有限公司 | A kind of preparation method of high temperature resistant anti-erosion gunning refractory |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 114206 Wang Jia village, eight Li Town, Haicheng City, Liaoning Province Applicant after: Haicheng Zhongxing Magnesia Synthetic Materials Co., Ltd. Applicant after: Haicheng Lear MEG Materials Co. Ltd. Sita Address before: 114206 Liaoning City, Anshan Province, Haicheng City, the town of Wang Village, the village of eight Applicant before: Haicheng Zhongxing Magnesia Synthetic Materials Co., Ltd. Applicant before: Haicheng Zhongxing High-Grade Magnesia Brick Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |