CN207472040U - A kind of electrical kiln for taking into account heat preservation - Google Patents
A kind of electrical kiln for taking into account heat preservation Download PDFInfo
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- CN207472040U CN207472040U CN201720762736.1U CN201720762736U CN207472040U CN 207472040 U CN207472040 U CN 207472040U CN 201720762736 U CN201720762736 U CN 201720762736U CN 207472040 U CN207472040 U CN 207472040U
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- cylinder
- taking
- heat preservation
- kiln
- account heat
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Abstract
The utility model discloses a kind of electrical kilns for taking into account heat preservation, belong to kiln technical field, are made of kilneye, kiln tail, the cylinder between the kilneye and the kiln tail；The cylinder is obliquely installed, and is driven and rotated by transmission mechanism；The transmission mechanism is made of motor and transmission shaft；The door of hinged switch is both provided at the kilneye and the kiln tail；It is stainless steel layer outside the cylinder, the protective layer that inside is piled up for refractory brick, centre is the insulating layer of filled thermal insulation materials, and the protective layer inner wall is provided with the resistance wire of fever.The electrical kiln is firm in structure, and service life is long, and more energy saving and internal cleaning is convenient, easy to operate.
Description
Technical field
The utility model is related to kiln technical field, in particular to a kind of electrical kiln for taking into account heat preservation.
Background technology
Electrical kiln, using electric furnace heating wire, silicon-carbon side or molybdenum disilicide as heat generating component, is radiated and is 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, easy to operate, has a safety feature, is suitable for
Various workplaces.
The outer wall to be formed is piled up as insulating layer in existing electrical kiln generally use fire resisting station, and object to be sintered is placed in it and is added
Heat is fired, and the brick body that existing refractory brick generally use is solid, is sintered after mixing with a variety of materials, between refractory brick
Connection sealing, fastness, which become, restricts the further bottleneck of electrical kiln performance, and how easily to be connect with stainless steel layer is also
Technical staff wants to solve the problems, such as.
At the same time, the heat preservation property of electrical kiln also contributes to the size of its energy consumption, in the today for pursuing environmentally protective production,
And the problem of can not be ignored.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of electrical kiln for taking into account heat preservation, the electrical kiln intensity
High, good airproof performance solves heat preservation and the strength problem of electrical kiln.
A kind of electrical kiln for taking into account heat preservation is made of kilneye, kiln tail, the cylinder between the kilneye and the kiln tail；
The cylinder is obliquely installed, and is driven and rotated by transmission mechanism；
The transmission mechanism is made of motor and transmission shaft；
The door of hinged switch is both provided at the kilneye and the kiln tail；
It is stainless steel layer outside the cylinder, the protective layer that inside is piled up for refractory brick, centre is heat insulating material filling
The insulating layer filled, the protective layer inner wall are provided with the resistance wire of fever.
As a preferred embodiment of the above technical solution, the inner wall of the protective layer is additionally provided with enamel coating.
As a preferred embodiment of the above technical solution, the resistance wire is coated on the inner wall of the protective layer by the enamel coating
On.
The smooth densification of enamel coating, convenient for carrying out periodic cleaning to electrical kiln inside.
As a preferred embodiment of the above technical solution, the insulating layer is the glass fibre cotton with hole.
As a preferred embodiment of the above technical solution, the space outside of the cylinder is provided with several rigidized covers.
As a preferred embodiment of the above technical solution, drill rod clip is provided in the refractory brick, the drill rod clip passes through weldering
It connects and is connected with the stainless steel layer；
The connecting portion of refractory brick forms cylinder through split, and the drill rod clip is connected on the cylinder, and extend
Go out the part for being welded with the stainless steel layer.
Thermal insulation material can be filled between stainless steel layer and fire brick layer.
As a preferred embodiment of the above technical solution, 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 a preferred embodiment of the above technical solution, 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 a preferred embodiment of the above technical solution, annular groove is provided with around the cylinder, is filled in the annular groove
There is graphite grazing set.
As a preferred embodiment of the above technical solution, the junction of each refractory brick, which is extended, the drill rod clip
Weld part.
The refractory brick be cube, the cubical one side it is opposite be provided at both ends with connecting portion；
The connecting portion includes a card slot and the card column being arranged in the card slot；
After the connecting portion phase split of adjacent two blocks of refractory brick, two card slots form an annular groove, and two card columns form one
A 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 of two card columns formation
Column is firmly waled, forms firm sealing structure, so as to increasing the intensity of fire brick layer in itself.
As a preferred embodiment of the above technical solution, the cubical one side is rectangle, and four edges are provided with connecting portion.
As a preferred embodiment of the above technical solution, the inside and outside contour of the card slot is semicircle, and the shape of formation is half
The groove body of circular ring shape.
As a preferred embodiment of the above technical solution, the cross-sectional shape of the card column is semicircle, adjacent two blocks of refractory brick
After two card column splits, that is, form a cylinder.
As a preferred embodiment of the above technical solution, the depth of the card slot is the 1/2 ~ 4/5 of refractory brick thickness.
Card slot ensures certain depth, makes that cricoid graphite cannula can not be filled in it, and under the condition of high temperature, graphite cannula generates
Expansion enhances the leakproofness of refractory brick junction, while so 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, is made 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 a preferred embodiment of the above technical solution, as mass fraction, it is made 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 a preferred embodiment of the above technical solution, the explosion-proof fiber is the fiber obtained after toasted using polypropylene as raw material
Material.
As a preferred embodiment of the above technical solution, the mullite is micro-pore mullite powder.
A kind of preparation method of wear-resisting preformed bricks, includes the following steps：
1. batch mixing：Major ingredient installation is prepared, is placed in blender and is stirred, then adds in external feeding and water, after
It is continuous to be stirred；
The mass fraction of water is 5 ~ 12 parts；
2. it shapes：The mixture being stirred is added in mold, the dead weight and surface tension by mixture are shakeout, and are erased
The mixture of excess surface；
3. it conserves：Mold equipped with mixture is put into 25 DEG C of isoperibol, is demoulded after hardening, placed again after demoulding
At least 48 hours；
4. it dries：The adobe conserved is placed in electrical kiln and is dried, room temperature is naturally cooled to after drying；
5. it fires：Dried adobe is put into heating furnace, and 300 DEG C are warming up to according to the heating rate of 5 DEG C/min, then with
The heating rate of 10 DEG C/min is warming up to 1000 DEG C, and keeps the temperature 3 hours, then naturally cools to room temperature, both obtains preformed bricks.
As a preferred embodiment of the above technical solution, for the temperature setting of step 4. middle electrical kiln for 110 DEG C, drying time is at least 24
Hour.
The utility model compared with prior art, has the following advantages and advantageous effect：
（1）The electrical kiln is firm in structure, and service life is long；
（2）The electrical kiln good heat insulating, it is more energy saving；
（3）The electrical kiln internal cleaning is convenient, easy to operate.
Description of the drawings
Fig. 1 is herein described electrical kiln structure diagram.
Fig. 2 is cylinder cross-sectional view.
Fig. 3 is the refractory brickwork connection structure of electrical kiln.
Fig. 4 is drill rod yoke configurations schematic diagram.
Fig. 5 is firebrick structure schematic diagram.
Fig. 6 is refractory brick attachment structure schematic diagram.
In figure：Kilneye 1, kiln tail 2, cylinder 3, rigidized cover 31, motor 4, transmission shaft 5, enamel coating 6, refractory brick a, connection
Portion a1, card slot a11, card column a12, drill rod clip b, cranse b1, connecting rod b2, weld part b3, stainless steel layer c, graphite grazing set d,
Insulating layer e.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments：
Embodiment 1：With reference to 1 ~ Fig. 6 of figure, a kind of electrical kiln for taking into account heat preservation, by kilneye 1, kiln tail 2, positioned at 1 and of kilneye
Cylinder 3 between the kiln tail 2 is formed, and the door of hinged switch, the cylinder 3 are both provided at the kilneye 1 and the kiln tail 2
Space outside be provided with several rigidized covers 31；
The cylinder 3 is obliquely installed, and is driven and rotated by transmission mechanism；
The transmission mechanism is made of motor 4 and transmission shaft 5；
3 outside of cylinder is stainless steel layer c, and the protective layer that inside is piled up for refractory brick a, centre is thermal insulation material
The glass fibre cotton insulating layer e of filling, the protective layer inner wall are provided with the resistance wire of fever, and the inner wall of the protective layer is also set
Enamel coating 6 is equipped with, the resistance wire is coated on the inner wall of the protective layer by the enamel coating 6；
The connection structure of protective layer and stainless steel layer c is：Including refractory brick a form protective layer, mounted on each piece of institute
State the drill rod clip b in refractory brick a and by welding the stainless steel layer c welded with the drill rod clip b phases；
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
It states in annular groove and covers d filled with graphite grazing.
Embodiment 2：With reference to 3 ~ Fig. 6 of figure, a kind of refractory brickwork connection structure of electrical kiln, the protection formed including refractory brick a
It layer, the drill rod clip b in each piece of refractory brick a and is 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
It states in annular groove and covers d filled with graphite grazing.
Embodiment 3：With reference to figure 5 and Fig. 6, a kind of refractory brick is cube, and the cubical one side is rectangle,
Four edges are provided with connecting portion a1；
The connecting portion a1 includes a semicircular card slot a11 and the card column a12 being arranged in the card slot a11；
After the connecting portion a1 phase splits of adjacent two blocks of refractory brick, two card slot a11 form an annular groove, two card columns
A12 forms a cylinder for being located at annular groove center.
The depth of the card slot a11 is the 1/2 of refractory brick thickness.
Embodiment 4：With reference to figure 5 and Fig. 6, a kind of refractory brick, with embodiment 1 the difference lies in：The card slot a11's
Depth is the 4/5 of refractory brick thickness.
The refractory brick preparation flow of 5 ~ embodiment of embodiment 8 is as described below：
1. batch mixing：Major ingredient installation is prepared, is placed in blender and is stirred, then adds in external feeding and water, after
It is continuous to be stirred；
2. it shapes：The mixture being stirred is added in mold, the dead weight and surface tension by mixture are shakeout, and are erased
The mixture of excess surface；
3. it conserves：Mold equipped with mixture is put into 25 DEG C of isoperibol, is demoulded after hardening, placed again after demoulding
48 hours；
4. it dries：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. it fires：Dried adobe is put into heating furnace, and 300 DEG C are warming up to according to the heating rate of 5 DEG C/min, then with
The heating rate of 10 DEG C/min is warming up to 1000 DEG C, and keeps the temperature 3 hours, then naturally cools to room temperature, both obtains preformed bricks.
The preformed bricks formula of 5 ~ embodiment of embodiment 8 is shown in Table one：
The preformed bricks formula of one 5 ~ embodiment of embodiment 8 of table
Preformed bricks performance parameter of the table two prepared by 5 ~ embodiment of embodiment 8
Preformed bricks performance parameter prepared by two 5 ~ embodiment of embodiment 8 of table
Claims (10)
1. a kind of electrical kiln for taking into account heat preservation, it is characterised in that：By kilneye（1）, kiln tail（2）, positioned at the kilneye（1）With the kiln
Tail（2）Between cylinder（3）It forms；
The cylinder（3）It is obliquely installed, and is driven and rotated by transmission mechanism；
The transmission mechanism is by motor（4）And transmission shaft（5）It forms；
The kilneye（1）With the kiln tail（2）Place is both provided with the door of hinged switch；
The cylinder（3）Outside is stainless steel layer（c）, inside is refractory brick（a）The protective layer piled up, centre are thermal insulating material
Expect the insulating layer of filling（e）, the protective layer inner wall is provided with the resistance wire of fever.
2. a kind of electrical kiln for taking into account heat preservation according to claim 1, it is characterised in that：The inner wall of the protective layer is also set up
There is enamel coating（6）.
3. a kind of electrical kiln for taking into account heat preservation according to claim 2, it is characterised in that：The enamel coating（6）By described in
Resistance wire is coated on the inner wall of the protective layer.
4. a kind of electrical kiln for taking into account heat preservation according to claim 1, it is characterised in that：The insulating layer（e）To carry hole
The glass fibre cotton of gap.
5. a kind of electrical kiln for taking into account heat preservation according to claim 1, it is characterised in that：The cylinder（3）Space outside
Be provided with several rigidized covers（31）.
6. a kind of electrical kiln for taking into account heat preservation according to claim 1, it is characterised in that：The refractory brick（a）Inside it is provided with
Drill rod clip（b）, the drill rod clip（b）Pass through welding and the stainless steel layer（c）It is connected；
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.
7. a kind of electrical kiln for taking into account heat preservation according to claim 6, 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）It forms.
8. a kind of electrical kiln for taking into account heat preservation according to claim 7, it is characterised in that：The cranse（b1）It is connected to described
On cylinder, the connecting rod（b2）Extend the refractory brick, the weld part（b3）To be easy to the plates of welding.
9. a kind of electrical kiln for taking into account heat preservation according to claim 6, it is characterised in that：It is provided with around the cylinder
Annular groove, the annular groove is interior to be filled with graphite grazing set（d）.
10. a kind of electrical kiln for taking into account heat preservation according to claim 7, it is characterised in that：The company of each refractory brick
The place of connecing, which extends, the drill rod clip（b）Weld part（b3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720762736.1U CN207472040U (en) | 2017-06-28 | 2017-06-28 | A kind of electrical kiln for taking into account heat preservation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720762736.1U CN207472040U (en) | 2017-06-28 | 2017-06-28 | A kind of electrical kiln for taking into account heat preservation |
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| Publication Number | Publication Date |
|---|---|
| CN207472040U true CN207472040U (en) | 2018-06-08 |
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| CN201720762736.1U Expired - Fee Related CN207472040U (en) | 2017-06-28 | 2017-06-28 | A kind of electrical kiln for taking into account heat preservation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462071A (en) * | 2017-06-28 | 2017-12-12 | 长兴鑫迪耐火材料厂 | A kind of electrical kiln of firm insulation |
-
2017
- 2017-06-28 CN CN201720762736.1U patent/CN207472040U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462071A (en) * | 2017-06-28 | 2017-12-12 | 长兴鑫迪耐火材料厂 | A kind of electrical kiln of firm insulation |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20190628 |