CN110317989A - A kind of High-Alumina kiln soldering material and its application method - Google Patents
A kind of High-Alumina kiln soldering material and its application method Download PDFInfo
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- CN110317989A CN110317989A CN201910628175.XA CN201910628175A CN110317989A CN 110317989 A CN110317989 A CN 110317989A CN 201910628175 A CN201910628175 A CN 201910628175A CN 110317989 A CN110317989 A CN 110317989A
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- soldering material
- soldering
- granularity
- kiln
- aluminium oxide
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/005—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides comprising a particular metallic binder
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/12—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
- F27D1/1678—Increasing the durability of linings; Means for protecting
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention proposes a kind of High-Alumina kiln soldering material and its application methods, the soldering material is 100% meter by mass percentage, including aluminium powder, aluminium oxide, mullite, black silicon carbide sand, zirconium silicate, yttrium oxide and titanium diboride, wherein, the granularity of aluminium oxide is no more than 0.5mm, the granularity of aluminium powder is 0.07-0.08mm, the granularity of mullite is 0.2-0.5mm, the granularity of black silicon carbide sand is 0.2-0.5mm, the adhesive property of soldering material can be greatly improved using soldering material and repair method of the invention, prevent soldering material from falling during soldering, to improve the quality of product in kiln, reduction in the numbers of seconds.
Description
Technical field
The present invention relates to glass furnace repairing technique field more particularly to a kind of High-Alumina kiln soldering material and its users
Method.
Background technique
In metallurgical and chemical industries such as glass, coking, steel-making, production labor industry kiln is all by all types of various property fire resistings
Brick masonry forms, and in high temperature production, kiln internal refractory brick kiln work production process in it is all types of due to,
The refractory brick that kiln is built different degrees of melting loss can all occurs, burst defect etc., the damage of kiln internal refractory brick is gradually drilled
Change can be in the whole service life of consequent effects kiln.
Kiln is in work production process, since the high temperature inside kiln is at all without suitable means, it is also not possible to stop
It produces to handle the damage of these kiln internal refractory bricks, the service life of kiln will eventually be caused to substantially reduce, influence normally to produce,
Increase the cost input of enterprise.
Therefore weld repair technique is developed, the kiln in work can be repaired, however, during kiln works,
The material of soldering, which is easy to fall the product in kiln such as to pollute, to be influenced.
Summary of the invention
In view of this, the invention proposes a kind of lower High-Alumina gunning refractory of rebound rate when soldering and its application methods.
The technical proposal of the invention is realized in this way, and the present invention provides a kind of High-Alumina kiln soldering materials, by weight
Percentage is 100% meter, comprising:
On the basis of above technical scheme, it is preferred that the granularity of the aluminium oxide is no more than 0.5mm.
On the basis of above technical scheme, it is preferred that granularity accounts for aluminium oxide total amount in 0.088mm aluminium oxide below
1%-10%；
Granularity accounts for the 14-28% of aluminium oxide stringer in the aluminium oxide of 0.088-0.2mm；
Granularity accounts for the 30-60% of aluminium oxide stringer in the aluminium oxide of 0.2-0.3mm；
Granularity accounts for the 15-45% of aluminium oxide total amount in the aluminium oxide of 0.3-0.5mm.
On the basis of above technical scheme, it is preferred that the purity of the aluminium powder is not less than 9%, and the granularity of aluminium powder is
0.07-0.08mm。
Still more preferably, the granularity of the mullite is 0.2-0.5mm.
On the basis of above technical scheme, it is preferred that the granularity of the black silicon carbide is 0.2-0.5mm.
The present invention also provides a kind of application methods of High-Alumina kiln soldering material, it is preferred that the method is paraded one's wealth following step
It is rapid:
Step 1: the raw material of the High-Alumina kiln soldering material is mixed according to quality proportioning, it is spare, it is ready to weld
Rifle, current-carrying gas and water pump are mended, soldering material is added to soldering rifle, soldering rifle will be connected in sharp weapon and water pump；
Step 2: clearing up the surface for the refractory brick for needing soldering, surface irregularities are removed, and carry out to repairing surface
Coarse processing；
Step 3: current-carrying gas to be delivered to the surface fracture of refractory brick to be repaired using soldering rifle together with soldering material
Place reacts soldering material in the breakage using the high temperature in kiln and melts, so that the breakage and soldering material be made to be welded on one
It rises；
Step 4: repeating Step 3: until the surface fracture repairing of refractory brick finishes.
On the basis of above technical scheme, it is preferred that the current-carrying gas bag includes oxygen and nitrogen.
On the basis of above technical scheme, it is preferred that in step 3, the spray distance of soldering rifle is 10-50cm.
On the basis of above technical scheme, it is preferred that the amount of the soldering material sprayed in the step 3 is 20-40kg.
High-Alumina kiln soldering material of the invention and its application method have the advantages that compared with the existing technology
(1) High-Alumina kiln soldering material of the invention use granularity no more than 0.5mm aluminium oxide and granularity for
The aluminium powder of 0.07-0.08mm, while it being equipped with zirconium silicate and black silicon carbide sand, make soldering material that there is good physical property and high temperature
Tolerance, refractoriness under load is higher, still maintains preferable hardness under high temperature environment, is not easy the deformation that is corroded；
(2) present invention also joined yttrium oxide and titanium diboride in the feed, and yttrium oxide can not only improve soldering material
Heat-resisting ability, while the binding ability of itself and former kiln refractory brick can also be improved, soldering material falls in reduction welding repair process
Fall rate, improve the quality of the product in kiln, the fusing point of reduction in the numbers of seconds, titanium diboride is high, and have good hardness and
Inoxidizability, the hardness after the refractoriness and soldering of material entirety can be improved as soldering material addition.
Specific embodiment
Below in conjunction with embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clearly and completely
Description, it is clear that described embodiment is only some embodiments of the invention, rather than whole embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments shall fall within the protection scope of the present invention.
In following embodiments, the raw material of use is as follows:
| Raw material | Producer |
| Aluminium powder | Newly contain board aluminium powder in Henan |
| Aluminium oxide | It can flame-retarding new material Co., Ltd in Hefei |
| Mullite | Xinmi City Zhenyang founding materials factory |
| Black silicon carbide sand | The rock finish materials Co., Ltd of Dongguan City refining |
| Zirconium silicate | Shandong Chen Yuan fission Co., Ltd |
| Yttrium oxide | Qinghe County Yao Xie metal material Co., Ltd |
| Titanium diboride | One promise new high-tech material development corporation, Ltd. of Qinhuangdao |
Prepare the soldering material of embodiment 1-4.
Embodiment 1
Weigh respectively aluminium powder 60kg, granularity 0.088mm aluminium oxide 8kg below, granularity 0.088-0.2mm it
Between aluminium oxide 112kg, aluminium oxide 320kg of the granularity between 0.2-0.3mm, oxidation of the granularity between 0.3-0.5
Aluminium 360kg, mullite 50kg, black silicon carbide sand 70kg, zirconium silicate 12kg, yttrium oxide 7kg and titanium diboride 1kg are mixed
Uniformly obtain soldering material 1.
Embodiment 2
Aluminium powder 100kg, granularity are weighed respectively in 0.088mm aluminium oxide 30kg below, granularity in 0.088-0.2mm
Between aluminium oxide 195kg, aluminium oxide 225kg of the granularity between 0.2-0.3mm, oxygen of the granularity between 0.3-0.5
Change aluminium 300kg, mullite 68kg, black silicon carbide sand 60kg, zirconium silicate 10kg, yttrium oxide 10kg and titanium diboride 2kg, mixing to stir
It mixes and uniformly obtains soldering material 2.
Embodiment 3
Aluminium powder 113.7kg, granularity are weighed respectively in 0.088mm aluminium oxide 39kg below, granularity in 0.088-
Aluminium oxide 104kg between 0.2mm, aluminium oxide 390kg of the granularity between 0.2-0.3mm, granularity is between 0.3-0.5
Aluminium oxide 117kg, mullite 150kg, black silicon carbide sand 50kg, zirconium silicate 30kg, yttrium oxide 5kg and titanium diboride 1.3kg,
It is mixed evenly to obtain soldering material 3.
Embodiment 4
Aluminium powder 160kg, granularity are weighed respectively in 0.088mm aluminium oxide 60kg below, granularity in 0.088-0.2mm
Between aluminium oxide 168kg, aluminium oxide 282kg of the granularity between 0.2-0.3mm, oxygen of the granularity between 0.3-0.5
Change aluminium 90kg, mullite 146.2kg, black silicon carbide sand 100kg, zirconium silicate 22kg, yttrium oxide 20kg and titanium diboride 1.8kg,
It is mixed evenly to obtain soldering material 4.
Soldering material 1-4 is used to respectively to have the Industrial Stoves of same size breakage to repair, specific mending course is such as
Under:
Welding repair machine is connected, is respectively connected to oxygen tank, nitrogen gas tank and water pump with welding repair machine, the soldering that will have been had been prepared for
Material 1-4 is put into welding repair machine respectively, first turns on oxygen and water pump, oxygen is defeated by the soldering material in welding repair machine as current-carrying gas
It sending to damaged part, keeps the head distance damaged part about 15cm of soldering rifle, the soldering material of spray repair about 30kkg closes oxygen,
Stop the spray repair of gunning refractory, open nitrogen, keeps the spray head of soldering rifle to be directed at damaged part, spray nitrogen 1-2min.
It repeats the above steps three times, completes Repair Welding.
In a specific embodiment, preferably, being first surface-treated to the breakage of kiln to be repaired, due to
The surface of kiln refractory brick may be because that the reason of kiln working environment, there are some glass phase substances, the surfaces of some refractory brick
Smoother first carries out coarse processing to the surface of refractory brick, slightly to increase the binding ability of soldering material Yu refractory brick surface
Rough processing includes carrying out scorification processing using surface of the cleaning material to refractory brick in kiln.
The refractory brick finished to reparation is tested for the property, and test result is as follows:
In above data result, soldering rebound rate is soldering material during soldering, the percentage fallen, due to some
Production product in kiln the control of impurity is required it is relatively high, if during soldering, soldering material fall it is excessive can shadow
Ring the quality of product in entire kiln.For conventional soldering material during soldering, rebound rate is generally in 30%-50%, this hair
In comparison bright soldering material has lower rebound rate, adhesiveness is more preferable in welding repair process.
The foregoing is merely better embodiments of the invention, are not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of High-Alumina kiln soldering material, which is characterized in that be by weight percentage 100% meter, including following components:
2. High-Alumina kiln soldering material as described in claim 1, which is characterized in that the granularity of the aluminium oxide is no more than
0.5mm。
3. High-Alumina kiln soldering material as claimed in claim 2, which is characterized in that granularity is in 0.088mm oxidation below
Aluminium accounts for the 1%-10% of aluminium oxide total amount, and granularity accounts for the 14%-28% of aluminium oxide total amount in the aluminium oxide of 0.088-0.2mm,
Granularity accounts for the 30-60% of aluminium oxide total amount in the aluminium oxide of 0.2-0.3mm, and aluminium oxide of the granularity in 0.3-0.5mm accounts for oxygen
Change the 15%-45% of aluminium total amount.
4. High-Alumina kiln soldering material as described in claim 1, which is characterized in that the purity of the aluminium powder is not less than 99%,
The granularity of aluminium powder is 0.07-0.08mm.
5. High-Alumina kiln soldering material as described in claim 1, which is characterized in that the granularity of the mullite is 0.2-
0.5mm。
6. High-Alumina kiln soldering material as described in claim 1, which is characterized in that the granularity of the black silicon carbide sand is
0.2-0.5mm。
7. a kind of application method of High-Alumina kiln soldering material, which comprises the steps of:
Step 1: the raw material of the High-Alumina kiln soldering material is mixed according to quality proportioning, it is spare, get out soldering
Rifle, current-carrying gas and water pump, are added to soldering rifle for soldering material, and current-carrying gas and water pump are connected to soldering rifle；
Step 2: clearing up the surface for the refractory brick for needing soldering, surface irregularities are removed, and repairing surface are carried out coarse
Processing；
Step 3: current-carrying gas is delivered at the surface fracture of refractory brick to be repaired together with soldering material using soldering rifle, benefit
It reacts soldering material in the breakage with the high temperature in kiln to melt, so that the breakage be made to weld together with soldering material；
Step 4: step 3 is repeated, until the surface fracture repairing of refractory brick finishes.
8. the application method of High-Alumina kiln soldering material as claimed in claim 7, which is characterized in that the current-carrying gas bag includes oxygen
Gas and nitrogen.
9. the application method of High-Alumina kiln soldering material as claimed in claim 7, which is characterized in that in step 3, soldering rifle
Spray distance be 10-50cm.
10. the application method of High-Alumina kiln soldering material as claimed in claim 7, which is characterized in that sprayed in the step 3
The amount of the soldering material of painting is 20-40kg.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910628175.XA CN110317989B (en) | 2019-07-11 | 2019-07-11 | High-alumina kiln welding material and using method thereof |
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| CN201910628175.XA CN110317989B (en) | 2019-07-11 | 2019-07-11 | High-alumina kiln welding material and using method thereof |
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| CN110317989A true CN110317989A (en) | 2019-10-11 |
| CN110317989B CN110317989B (en) | 2020-08-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112010537A (en) * | 2020-08-05 | 2020-12-01 | 武汉重远炉窑工程技术服务有限公司 | Refractory material suitable for glass kiln and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112010537A (en) * | 2020-08-05 | 2020-12-01 | 武汉重远炉窑工程技术服务有限公司 | Refractory material suitable for glass kiln and preparation method thereof |
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| CN110317989B (en) | 2020-08-04 |
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