CN101514873B - Replacement method of low-power inductor and special cooling water jacket thereof - Google Patents
Replacement method of low-power inductor and special cooling water jacket thereof Download PDFInfo
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- CN101514873B CN101514873B CN2009100430371A CN200910043037A CN101514873B CN 101514873 B CN101514873 B CN 101514873B CN 2009100430371 A CN2009100430371 A CN 2009100430371A CN 200910043037 A CN200910043037 A CN 200910043037A CN 101514873 B CN101514873 B CN 101514873B
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Abstract
The invention relates to a replacement method of an inductor in a smelting induction furnace and special equipment thereof. A special cooling water jacket is provided and is a closed rectangular box, the box is internally provided with a cooling water tube, and an inlet and an outlet of the cooling water tube are arranged outside the box. The cooling water tube is a coiler. The replacement method comprises the following steps: inserting the special cooling water jacket into a bath in a channel type induction furnace so as to solidify molten metal around the cooling water jacket to solid, and then replacing the inductor. The special cooling water jacket can reduce temperature of the surrounding molten metal to solidification temperature so as to solidify the molten metal to solid metal, the solid metal obstructs the molten metal in the bath to form a temporary inner furnace wall which provides a temporary working space for replacing the inductor so that the inductor replacement is not affected by the whole state of the furnace body, and the molten metal in the induction furnace can be maintained in a normal molten state, and production can be resumed following the inductor replacement, thus realizing free replacement of a single inductor.
Description
Technical field
The present invention relates to a kind of maintenance of equipment and method for maintaining of apparatus for melting metal, particularly the replacing isolated plant and the method for maintaining of inductor in the melting induction furnace.
Background technology
At present smelting industry generally adopts induction furnace as apparatus for melting metal, and power is usually used in the melting of metal less than the low-power inductor core-type induction furnace of 90KW, and core-type induction furnace generally comprises body of heater and a plurality of inductor; Its structure is as shown in Figure 2, its a plurality of inductors 2 be individually fixed in body of heater 4 around, the molten metals in the body of heater 4 flow out by 3 casting of disk casting machine; Inductor 2 is that on-dismountable integral body is constructed the formula structure with body of heater 4, and the molten metal in body of heater 4 burner hearths is mobile each other with the molten metal in inductor 2 channels, when certain inductor wherein breaks down or leaks metal; Can only under the situation of not removing inductor, handle its method of repairing; Serious when inductor leakage metal, in the time of can't repairing, just this inductor is scrapped and core-type induction furnace continuation use; After if the inductor of this core-type induction furnace is scrapped more than two; Just can't reach instructions for use, then must cause this core-type induction furnace short service life this core-type induction furnace brickwork again; Maintenance cost is high, influences quantity-produced and normally carries out.Therefore, how can be aborning the written-off inductor of core-type induction furnace being changed to prolong core-type induction furnace service life, is to need the difficult problem further explored.
Summary of the invention
The object of the present invention is to provide a kind of core-type induction furnace low-power inductor to change special cooling water jacket thereof, it can make the molten metal around it solidify.
The object of the present invention is to provide a kind of core-type induction furnace replacement method of low-power inductor, it adopts special cooling water jacket thereof in production status inductor to be changed, and is efficient and convenient, can resume production as early as possible, and energy and material consumes low.
Technical scheme of the present invention is:
A kind of core-type induction furnace low-power inductor is changed special cooling water jacket thereof, it is characterized in that: it is provided with cooling water pipe for the closed rectangular box in the casing, the import and export of described cooling water pipe all are arranged at outside the casing.
As to further improvement of the present invention, described cooling water pipe is snakelike cooling water pipe.
As to further improvement of the present invention, described casing is the flat cuboid, and the many places bending in same plane of described cooling water pipe places in the casing.
As to further improvement of the present invention, described casing length L is 1000mm～1200mm, and width B is 55mm～60mm, and height H is 2000mm～2500mm, and the casing wall thickness is 8～12mm.
A kind of core-type induction furnace replacement method of low-power inductor is characterized in that: it adopts low-power inductor to change special cooling water jacket thereof, and its replacing step is:
Step 1: with the core-type induction furnace Control for Kiln Temperature at 430 ℃～450 ℃;
Step 2: special cooling water jacket thereof is inserted along place, furnace wall, molten bath in the pairing core-type induction furnace body of heater of inductor to be replaced, pass to cooling water in the cooling water pipe, its molten metal is on every side solidified;
Step 3: remove inductor to be replaced;
Step 4: subsequent use inductor docked with body of heater install, close the cooling water of special cooling water jacket thereof;
Step 5: the core-type induction furnace furnace temperature is risen to about 470 ℃～480 ℃, make special cooling water jacket thereof solid metal fusing on every side, take out special cooling water jacket thereof, recover to send electricity, progressively booster tension to ordinary production state.
As to further improvement of the present invention, the pressure of the cooling water in the described step 3 is 0.4Mpa～0.8Mpa.
As to further improvement of the present invention, before implementing, described step 2 earlier the pairing core-type induction furnace body of heater of inductor to be replaced molten bath internal protecting wall is cleaned out.
Method for using of the present invention is:
The step that adopts the core-type induction furnace low-power inductor to change special cooling water jacket thereof replacing inductor of cored induction electric furnace is:
Step 1: with the core-type induction furnace Control for Kiln Temperature at 430 ℃～450 ℃;
Step 2: special cooling water jacket thereof is inserted along place, furnace wall, molten bath in the pairing core-type induction furnace body of heater of inductor to be replaced, pass to the cooling water of 0.4Mpa～0.8Mpa in the cooling water pipe, its molten metal is on every side solidified;
Step 3: remove inductor to be replaced;
Step 4: subsequent use inductor docked with body of heater install, close the cooling water of special cooling water jacket thereof;
Step 5: the core-type induction furnace furnace temperature is risen to about 470 ℃～480 ℃, make special cooling water jacket thereof solid metal fusing on every side, take out special cooling water jacket thereof, recover to send electricity, progressively booster tension to ordinary production state.
Beneficial effect of the present invention is:
Special cooling water jacket thereof provided by the invention can make the molten metal temperature around it drop to setting temperature; Be frozen into solid metal, when treating that this part solid metal can intercept the molten metal in the core-type induction furnace body of heater molten bath and the molten metal in the inductor, promptly become interim stove inwall; For changing inductor an interim working space is provided; Make more changing jobs of inductor not receive the influence of body of heater integrality, and the molten metal in the core-type induction furnace body of heater molten bath can maintain normal molten condition, after work to be replaced is accomplished; Can resume production, realize freely changing of the single inductor of core-type induction furnace.
The invention solves the problem that core-type induction furnace is repaiied in frequent, can practice thrift a large amount of maintenance costs, for the continuous production of equipment provides guarantee.
Description of drawings
Fig. 1 is the structural representation of special cooling water jacket thereof of the present invention;
Fig. 2 is the structural representation of core-type induction furnace of the present invention.
Among the figure: 1-casing, 2-inductor, 3-disk casting machine, 4-body of heater, 5-cooling water pipe.
The specific embodiment
Embodiment 1:
A kind of core-type induction furnace low-power inductor is changed special cooling water jacket thereof, and it is a closed rectangular box 1, and casing 1 length L is 1200mm; Width B is wide 60mm, and height H is 2500mm, and casing 1 wall thickness is 12mm; Be provided with cooling water pipe 5 in the casing 1; The import and export of cooling water pipe 5 are arranged at the top outside the casing 1, and cooling water pipe 5 many places bending in same plane places in the casing 1, and the pressure of cooling waters is 0.4Mpa～0.8Mpa in the cooling water pipe 5.
The present invention is used for the replacing of core-type induction furnace low-power inductor, and it is changed step and does
1, this core-type induction furnace Control for Kiln Temperature is at 430 ℃～450 ℃.
2, place, furnace wall, molten bath in the inductor 2 pairing bodies of heater 4 to be replaced is cleaned out.
3, special cooling water jacket thereof is inserted in the body of heater 4 interior molten baths along the place, furnace wall that has cleared up, pass to the cooling water of 0.4Mpa～0.8Mpa, make slowly cooled and solidified of the peripheral molten metal of special cooling water jacket thereof, the outlet water temperature of cooling water generally can reach 60～80 degree.
4, remove old inductor 2.
5, subsequent use inductor interface is coated filler, and complete aluminosilicate fiberboard.
6, the remaining filler of inductor to be replaced and body of heater 4 interfaces is cleaned out, coated filler, subsequent use inductor is docked with body of heater 4 install then, fastening good bolt is closed the cooling water of special cooling water jacket thereof.
7, the core-type induction furnace furnace temperature is risen to about 470 ℃～480 ℃, take out special cooling water jacket thereof, recover to send electricity, progressively booster tension gets final product.
Embodiment 2:
A kind of core-type induction furnace low-power inductor is changed special cooling water jacket thereof, and it is a closed rectangular box 1, and casing 1 length is 1000mm, and width is wide 55mm, highly is 2000mm, and casing 1 wall thickness is 8mm, and material is a steel.Be provided with cooling water pipe 5 in the casing 1, the import and export of cooling water pipe 5 are arranged at the top outside the casing 1, and cooling water pipe 5 many places bending in same plane places in the casing 1, and the pressure of cooling waters is 0.4Mpa～0.8Mpa in the cooling water pipe 5.
Its replacing method is with embodiment 1.
Claims (3)
1. core-type induction furnace replacement method of low-power inductor is characterized in that: its adopts low-power inductor to change special cooling water jacket thereof, and it is changed step and is:
Step 1: with the core-type induction furnace Control for Kiln Temperature at 430 ℃～450 ℃;
Step 2: special cooling water jacket thereof is inserted along place, furnace wall, molten bath in the pairing core-type induction furnace body of heater of inductor to be replaced, pass to cooling water in the cooling water pipe, its molten metal is on every side solidified;
Step 3: remove inductor to be replaced;
Step 4: subsequent use inductor docked with body of heater install, close the cooling water of special cooling water jacket thereof;
Step 5: the core-type induction furnace furnace temperature is risen to about 470 ℃～480 ℃, make special cooling water jacket thereof solid metal fusing on every side, take out special cooling water jacket thereof, recover to send electricity, progressively booster tension to ordinary production state.
2. core-type induction furnace replacement method of low-power inductor according to claim 1 is characterized in that: the pressure of the cooling water in the described step 2 is 0.4Mpa～0.8Mpa.
3. core-type induction furnace replacement method of low-power inductor according to claim 1 is characterized in that: earlier the pairing core-type induction furnace body of heater of inductor to be replaced molten bath internal protecting wall is cleaned out before described step 2 is implemented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100430371A CN101514873B (en) | 2009-04-03 | 2009-04-03 | Replacement method of low-power inductor and special cooling water jacket thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100430371A CN101514873B (en) | 2009-04-03 | 2009-04-03 | Replacement method of low-power inductor and special cooling water jacket thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101514873A CN101514873A (en) | 2009-08-26 |
| CN101514873B true CN101514873B (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100430371A Active CN101514873B (en) | 2009-04-03 | 2009-04-03 | Replacement method of low-power inductor and special cooling water jacket thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012162A (en) * | 2010-11-10 | 2011-04-13 | 白银有色集团股份有限公司 | Novel butt-joint process for inductor and special cooling device thereof |
| CN104534886B (en) * | 2014-12-31 | 2016-09-14 | 镇江市高等专科学校 | Assembled induction apparatus |
| CN110057203A (en) * | 2019-05-14 | 2019-07-26 | 安徽轩鸣新材料有限公司 | The manufacturing smoke processing system of rock wool |
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| CN101514873A (en) | 2009-08-26 |
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Effective date of registration: 20200911 Address after: 412000 lot G20, Nanzhou Industrial Park, Lukou District, Zhuzhou City, Hunan Province Patentee after: Hunan Zhuye torch New Material Co., Ltd Address before: 412007 Zhuzhou hi tech Zone, Zhujiang South Road, Tianyuan District, Zhuzhou, Hunan Patentee before: ZHUZHOU SMELTER GROUP Co.,Ltd. |