CN206905548U - A kind of refractory brickwork attachment structure of electrical kiln - Google Patents
A kind of refractory brickwork attachment structure of electrical kiln Download PDFInfo
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- CN206905548U CN206905548U CN201720763042.XU CN201720763042U CN206905548U CN 206905548 U CN206905548 U CN 206905548U CN 201720763042 U CN201720763042 U CN 201720763042U CN 206905548 U CN206905548 U CN 206905548U
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- refractory
- attachment structure
- electrical kiln
- drill rod
- refractory brick
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Abstract
The utility model discloses a kind of refractory brickwork attachment structure of electrical kiln, belongs to technical field of refractory materials, including heat-insulation layer, the drill rod clip in the refractory brick and the stainless steel layer mutually welded with the drill rod clip by welding that refractory brick is formed；Insulation material can be filled between stainless steel layer and fire brick layer；The connecting portion of refractory brick forms cylinder through split, and the drill rod clip is connected on the cylinder, and extends the part for being welded with the stainless steel layer.Attachment structure described in the utility model takes into account the bonding strength between refractory brick, between refractory brickwork and stainless steel layer, ensure that the integral firmness of electrical kiln, good seal performance, enhances the heat insulating ability and advantages of simple of electrical kiln heat-insulation layer, be easy to construct.
Description
Technical field
Technical field of refractory materials is the utility model is related to, in particular to a kind of refractory brickwork attachment structure of electrical kiln.
Background technology
Electrical kiln, using electric furnace heating wire, silicon-carbon side or molybdenum disilicide as heat generating component, is radiated and led by electric energy using electricity as the energy
Pyrogen reason carries out oxidizing atmosphere firing, and electronic program regulates and controls, and is one kind of kiln, its is simple to operate, has a safety feature, and is applied to
Various workplaces.
The outer wall to be formed is piled up as heat-insulation layer in existing electrical kiln generally use fire resisting station, and thing to be sintered is placed in it and added
Heat is fired, and the brick body that existing refractory brick generally use is solid, is sintered and formed after mixing with various materials, between refractory brick
Connection sealing, fastness, which turn into, restricts the further bottleneck of electrical kiln performance, and how to be easily connected with stainless steel layer is also
Technical staff wants to solve the problems, such as.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, should the invention provides a kind of refractory brickwork attachment structure of electrical kiln
Attachment structure intensity is high, good airproof performance, solves insulation and the strength problem of electrical kiln fire brick layer.
A kind of refractory brickwork attachment structure of electrical kiln, including refractory brick form heat-insulation layer, in the refractory brick
Drill rod clip and by welding the stainless steel layer that is mutually welded with the drill rod clip；
Insulation material can be filled between stainless steel layer and fire brick layer.
The connecting portion of refractory brick forms cylinder through split, and the drill rod clip is connected on the cylinder, and is extended
Go out the part for being welded with the stainless steel layer.
As the preferred of above-mentioned technical proposal, the drill rod clip by cranse, weld part and the connection cranse with it is described
The connecting rod of weld part is formed.
As the preferred of above-mentioned technical proposal, the cranse is connected on the cylinder, and the connecting rod extends described
Refractory brick, the weld part are the plates for being easy to welding.
As the preferred of above-mentioned technical proposal, annular groove is provided with around the cylinder, is filled in the annular groove
There is graphite grazing set.
As the preferred of above-mentioned technical proposal, the junction of each refractory brick, which is extended, the drill rod clip
Weld part.
The refractory brick is cube, the cubical one side it is relative be provided at both ends with connecting portion；
The connecting portion includes a neck and the card column being arranged in the neck；
After the connecting portion phase split of adjacent two blocks of refractory brick, two necks form an annular groove, and two card columns form one
The individual column positioned at annular groove center.
After the connecting portion alignment of two blocks of refractory brick, a snap ring, snap ring can be socketed on the column that two card columns are formed
Column is firmly waled, forms firm sealing structure, so as to the intensity of increase fire brick layer in itself.
As the preferred of above-mentioned technical proposal, the cubical one side is rectangle, and its four edges is provided with connecting portion.
As the preferred of above-mentioned technical proposal, the inside and outside contour of the neck is semicircle, and formation is shaped as half
The cell body of annular.
As the preferred of above-mentioned technical proposal, the shape of cross section of the card column is semicircle, adjacent two blocks of refractory brick
After two card column splits, that is, form a cylinder.
As the preferred of above-mentioned technical proposal, the depth of the neck is the 1/2 ~ 4/5 of refractory brick thickness.
Neck ensures certain depth, makes the graphite cannula that ring-type can not be filled in it, and under the condition of high temperature, graphite cannula produces
Expansion, the sealing of refractory brick junction is enhanced, while make it that junction is more firm.
Above-mentioned refractory brick needs higher wearability now to provide a kind of wear-resisting fire resisting to ensure the durability of junction
Brick, as mass fraction, it is made up of following component：
Major ingredient, including：
20 ~ 35 parts of mullite；
3 ~ 8 parts of zirconium silicate；
8 ~ 15 parts of schmigel；
15 ~ 30 parts of andalusite miberal powder；
5 ~ 10 parts of sillimanite powder powder；
3 ~ 8 parts of silica flour；
3 ~ 6 parts of alumina powder；
3 ~ 7 parts of aluminous cement；
External feeding, including：
0.5 ~ 2 part of heat-resistant steel fiber；
0.16 ~ 0.2 part of calgon；
0.18 ~ 0.21 part of explosion-proof fiber.
As the preferred of above-mentioned technical proposal, as mass fraction, it is made up of following component：
Major ingredient, including：
20 ~ 25 parts of mullite；
5 ~ 8 parts of zirconium silicate；
10 ~ 15 parts of schmigel；
25 ~ 30 parts of andalusite miberal powder；
5 ~ 8 parts of sillimanite powder powder；
5 ~ 8 parts of silica flour；
5 ~ 6 parts of alumina powder；
5 ~ 7 parts of aluminous cement；
External feeding, including：
0.5 ~ 0.7 part of heat-resistant steel fiber；
0.16 ~ 0.18 part of calgon；
0.2 ~ 0.21 part of explosion-proof fiber.
As the preferred of above-mentioned technical proposal, the explosion-proof fiber is the fiber obtained using polypropylene as raw material after toasted
Material.
As the preferred of above-mentioned technical proposal, the mullite is micro-pore mullite powder.
A kind of preparation method of wear-resisting preformed bricks, comprises the following steps：
1. batch mixing：Major ingredient installation formula is prepared, is placed in mixer and is stirred, then add external feeding and water, after
It is continuous to be stirred；
The mass fraction of water is 5 ~ 12 parts；
2. shape：The compound being stirred is added in mould, the deadweight and surface tension by compound are shakeout, and are erased
The compound of excess surface；
3. conserve：Mould equipped with compound is put into 25 DEG C of isoperibol, be stripped after hardening, placed again after the demoulding
At least 48 hours；
4. dry：The adobe conserved is placed in electrical kiln and dried, room temperature is naturally cooled to after drying；
5. fire：Dried adobe is put into heating furnace, and 300 DEG C are warming up to according to 5 DEG C/min heating rate, then with
10 DEG C/min heating rate is warming up to 1000 DEG C, and is incubated 3 hours, then naturally cools to room temperature, both obtains preformed bricks.
As the preferred of above-mentioned technical proposal, step 4. middle electrical kiln temperature setting be 110 DEG C, drying time is at least 24
Hour.
The utility model compared with prior art, has advantages below and beneficial effect：
（1）The bonding strength taken into account between refractory brick, between refractory brickwork and stainless steel layer of the attachment structure, ensure that
The integral firmness of electrical kiln；
（2）The attachment structure good seal performance, enhance the heat insulating ability of electrical kiln heat-insulation layer；
（3）The attachment structure advantages of simple, is easy to construct.
Brief description of the drawings
Fig. 1 is the refractory brickwork attachment structure of electrical kiln.
Fig. 2 is drill rod yoke configurations schematic diagram.
Fig. 3 is firebrick structure schematic diagram.
Fig. 4 is refractory brick attachment structure schematic diagram.
In figure：Refractory brick a, connecting portion a1, neck a11, card column a12, drill rod clip b, cranse b1, connecting rod b2, weld part
B3, stainless steel layer c, graphite grazing set d.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
Embodiment 1：With reference to 1 ~ Fig. 4 of figure, a kind of refractory brickwork attachment structure of electrical kiln, including the insulation that refractory brick a is formed
Layer, the drill rod clip b in each piece of refractory brick a and welded not with the drill rod clip b phases by welding
Steel layer of becoming rusty c；
The drill rod clip b is by cranse b1, weld part b3 on chip and connects the cranse b1 and weld part b3's
Connecting rod b2 is formed；
The connecting portion a1 of refractory brick forms cylinder through split, and the cranse b1 of the drill rod clip b is connected to the cylinder
On body, and extend the weld part b3 for being welded with the stainless steel layer, be provided with annular groove around the cylinder, institute
State in annular groove filled with graphite grazing set d.
Embodiment 2：With reference to figure 3 and Fig. 4, a kind of refractory brick, it is cube, and the cubical one side is rectangle, its
Four edges are provided with connecting portion a1；
The connecting portion a1 includes a semicircular neck a11 and the card column a12 being arranged in the neck a11；
After the connecting portion a1 phase splits of adjacent two blocks of refractory brick, two neck a11 form an annular groove, two card columns
A12 forms a cylinder positioned at annular groove center.
The depth of the neck a11 is the 1/2 of refractory brick thickness.
Embodiment 3：With reference to figure 3 and Fig. 4, a kind of refractory brick, it is with the difference of embodiment 1：The neck a11's
Depth is the 4/5 of refractory brick thickness.
The refractory brick preparation flow of 4 ~ embodiment of embodiment 7 is as described below：
1. batch mixing：Major ingredient installation formula is prepared, is placed in mixer and is stirred, then add external feeding and water, after
It is continuous to be stirred；
2. shape：The compound being stirred is added in mould, the deadweight and surface tension by compound are shakeout, and are erased
The compound of excess surface；
3. conserve：Mould equipped with compound is put into 25 DEG C of isoperibol, be stripped after hardening, placed again after the demoulding
48 hours；
4. dry：The adobe conserved is placed in electrical kiln and carries out drying 24 hours, natural cooling after drying with 110 DEG C
To room temperature；
5. fire：Dried adobe is put into heating furnace, and 300 DEG C are warming up to according to 5 DEG C/min heating rate, then with
10 DEG C/min heating rate is warming up to 1000 DEG C, and is incubated 3 hours, then naturally cools to room temperature, both obtains preformed bricks.
The preformed bricks formula of 4 ~ embodiment of embodiment 7 is shown in Table one：
The preformed bricks formula of the 4 ~ embodiment of embodiment 7 of table one
Table two is the preformed bricks performance parameter prepared by 4 ~ embodiment of embodiment 7
Preformed bricks performance parameter prepared by the 4 ~ embodiment of embodiment 7 of table two
Claims (5)
- A kind of 1. refractory brickwork attachment structure of electrical kiln, it is characterised in that：Including refractory brick（a）The heat-insulation layer of composition, it is arranged on The refractory brick（a）Interior drill rod clip（b）And pass through welding and the drill rod clip（b）The mutually stainless steel layer of welding（c）；The connecting portion of refractory brick（a1）Cylinder, the drill rod clip are formed through split（b）It is connected on the cylinder, and prolongs Stretch out the part for being welded with the stainless steel layer.
- A kind of 2. refractory brickwork attachment structure of electrical kiln according to claim 1, it is characterised in that：The drill rod clip （b）By cranse（b1）, weld part（b3）With the connection cranse（b1）With the weld part（b3）Connecting rod（b2）Form.
- A kind of 3. refractory brickwork attachment structure of electrical kiln according to claim 2, it is characterised in that：The cranse（b1）Card It is connected on the cylinder, the connecting rod（b2）Extend the refractory brick, the weld part（b3）To be easy to the sheet of welding Body.
- A kind of 4. refractory brickwork attachment structure of electrical kiln according to claim 1, it is characterised in that：The week of the cylinder Enclose and be provided with annular groove, graphite grazing set is filled with the annular groove（d）.
- A kind of 5. refractory brickwork attachment structure of electrical kiln according to claim 2, it is characterised in that：Each described fire resisting The junction of brick, which is extended, the drill rod clip（b）Weld part（b3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720763042.XU CN206905548U (en) | 2017-06-28 | 2017-06-28 | A kind of refractory brickwork attachment structure of electrical kiln |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720763042.XU CN206905548U (en) | 2017-06-28 | 2017-06-28 | A kind of refractory brickwork attachment structure of electrical kiln |
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| Publication Number | Publication Date |
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| CN206905548U true CN206905548U (en) | 2018-01-19 |
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| CN201720763042.XU Expired - Fee Related CN206905548U (en) | 2017-06-28 | 2017-06-28 | A kind of refractory brickwork attachment structure of electrical kiln |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144137A (en) * | 2017-06-28 | 2017-09-08 | 长兴鑫迪耐火材料厂 | A kind of refractory brickwork attachment structure of electrical kiln |
-
2017
- 2017-06-28 CN CN201720763042.XU patent/CN206905548U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144137A (en) * | 2017-06-28 | 2017-09-08 | 长兴鑫迪耐火材料厂 | A kind of refractory brickwork attachment structure of electrical kiln |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 Termination date: 20180628 |
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| CF01 | Termination of patent right due to non-payment of annual fee |