CN208869483U - A kind of kiln for forcing to keep the temperature for producing basalt continuous fiber and furnace bottom - Google Patents
A kind of kiln for forcing to keep the temperature for producing basalt continuous fiber and furnace bottom Download PDFInfo
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- CN208869483U CN208869483U CN201821241634.6U CN201821241634U CN208869483U CN 208869483 U CN208869483 U CN 208869483U CN 201821241634 U CN201821241634 U CN 201821241634U CN 208869483 U CN208869483 U CN 208869483U
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- kiln
- furnace
- material layer
- furnace bottom
- stannic oxide
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Abstract
The utility model provides a kind of kiln for forcing to keep the temperature for producing basalt continuous fiber and furnace bottom, the furnace bottom of kiln includes refractory material layer, refractory insulation material layer and steel furnace shell, by being sequentially arranged outside in furnace to furnace, stannic oxide electrode is embedded between refractory material layer and refractory insulation material layer for refractory material layer, refractory insulation material layer and steel furnace shell；The application is by improving the temperature of the interior bottom of kiln to stannic oxide electrode electrified regulation, the basalt melt temperature of the interior bottom of kiln is set to be higher than crystallization temperature, avoid the generation of melt crystallization, a possibility that bottom crystallization in kiln can so be eliminated, the melt liquid that can increase in kiln again is deep, increases the production capacity of kiln.
Description
Technical field
The utility model relates to technical field of industrial furnaces, more particularly, to one kind for produce basalt continuous fiber and
Furnace bottom forces the kiln of heat preservation.
Background technique
An important factor for basalt melt (silicate) crystallization is influence kiln job stability, and bottom is molten in kiln
The lower place of liquid temperature belongs to the danger zone of melt crystallization, temperature range of the basalt melt at 1240 DEG C~1270 DEG C
Interior easy crystallization is easy to cause crystallization when the basalt melt temperature of bottom in kiln is in crystalline range.
Utility model content
In view of this, the purpose of the utility model is to provide one kind for producing basalt continuous fiber and furnace bottom pressure guarantor
The kiln of temperature.
In order to solve the above technical problems, technical solution provided by the utility model are as follows:
A kind of kiln for forcing to keep the temperature for producing basalt continuous fiber and furnace bottom, the kiln includes furnace bottom, furnace side
Wall and furnace roof；
The furnace bottom includes refractory material layer for directly contacting with basalt melt, for main heat preservation takes into account fire resisting
Refractory insulation material layer and steel furnace shell, the refractory material layer, the refractory insulation material layer and steel furnace shell are by furnace
It is sequentially arranged outside to furnace；
Stannic oxide electrode is embedded in the furnace bottom, the stannic oxide electrode is arranged in the refractory material layer and institute
It states between refractory insulation material layer, the part of the stannic oxide electrode being embedded in the furnace bottom is by the refractory material layer
It is covered with to expose to prevent the stannic oxide electrode and directly be contacted in the interior furnace chamber of the kiln with the generation of basalt melt, institute
State the part being embedded in the furnace bottom of stannic oxide electrode by the refractory insulation material layer from below support be wrapped in
Heat-preservation heat-collection is carried out to the produced heat of the stannic oxide electrode to prevent leaking；
The exposing of the stannic oxide electrode is provided with for cooling protection titanium dioxide on the part except the furnace bottom
The cooling jacket of tin electrode；
The power connection end for powering with extraneous power electric connection of the stannic oxide electrode is exposed at except the furnace bottom.
Preferably, the refractory material layer is specially the brick layer of compact zirconia.
Preferably, the refractory insulation material layer is specially light-weight mullite insulating brick course.
Preferably, the shape of the stannic oxide electrode is plate.
Preferably, the furnace chamber in the kiln includes fusion zone, clarifying and homogenizing area and operation area；
The fusion zone, clarifying and homogenizing area and operation area are in the kiln along the length direction of the kiln successively cloth
It sets, the interior furnace bottom face of the operation area is higher than the interior furnace bottom face in the fusion zone and clarifying and homogenizing area；
Stannic oxide electrode is embedded in the furnace bottom of the fusion zone, clarifying and homogenizing area and operation area.
The utility model provides a kind of kiln for forcing to keep the temperature for producing basalt continuous fiber and furnace bottom, the kiln
The furnace bottom of furnace includes refractory material layer, refractory insulation material layer and steel furnace shell, the refractory material layer, the fire resistant heat preserving material
The bed of material and steel furnace shell by furnace to being sequentially arranged outside furnace, the stannic oxide electrode be embedded in the refractory material layer with it is described
Between refractory insulation material layer；The application by improving the temperature of the interior bottom of kiln to stannic oxide electrode electrified regulation,
So that the basalt melt temperature of the interior bottom of kiln is higher than crystallization temperature, avoids the generation of melt crystallization, can so eliminate kiln
It in furnace a possibility that the crystallization of bottom, and can increase the melt liquid depth in kiln, increase the production capacity of kiln.
Detailed description of the invention
Fig. 1 is provided by the embodiment of the utility model a kind of for producing basalt continuous fiber and furnace bottom pressure heat preservation
The structural schematic diagram of the furnace bottom of kiln；
Fig. 2 is provided by the embodiment of the utility model a kind of for producing basalt continuous fiber and furnace bottom pressure heat preservation
The length and width of kiln are to the schematic diagram of the section structure；
Fig. 3 grows tall for the kiln in Fig. 2 to the schematic diagram of the section structure.
In figure: 1 kiln, 2 fusion zones, 3 clarifying and homogenizing areas, 4 operation areas, 5 electrodes, 6 liquid outlet grooves, 7 platinum-rhodium alloy bushings, 8
Burner, 10 basalt melts, 12 feed openings, 13 smokejacks, 14 pairs of measuring point thermocouples, 15 level probes；
16 refractory material layers, 17 refractory insulation material layers, 18 steel furnace shells, 19 stannic oxide electrodes, 20 furnace bottoms.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, those of ordinary skill in the art's every other embodiment obtained without making creative work, all
Belong to the range of the utility model protection.
In the description of the present invention, it is to be understood that, term " center ", " axial direction ", " radial direction ", " longitudinal direction ", " transverse direction ",
" length ", " width ", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outside", " clockwise ", " inverse
The orientation or positional relationship of the instructions such as hour hands ", "vertical", "horizontal" is to be based on the orientation or positional relationship shown in the drawings, and is only
For the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower",
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is in the surface and oblique upper of second feature, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign includes fisrt feature in the underface and obliquely downward of second feature under the second feature " below ", " below " and " below ", or only
Only indicate that first feature horizontal height is less than second feature.
With reference to Fig. 1-3, Fig. 1 is provided by the embodiment of the utility model a kind of for producing basalt continuous fiber and furnace
Force the structural schematic diagram of the furnace bottom of the kiln of heat preservation in bottom；Fig. 2 is provided by the embodiment of the utility model a kind of profound for producing
Military rock continuous fiber and furnace bottom force the length and width of the kiln of heat preservation to the schematic diagram of the section structure；Fig. 3 is growing tall for the kiln in Fig. 2
To the schematic diagram of the section structure.
The kiln that this application provides a kind of to force to keep the temperature for producing basalt continuous fiber and furnace bottom, the kiln packet
Include furnace bottom 20, furnace side wall and furnace roof；
The furnace bottom 20 include refractory material layer 16 for directly being contacted with basalt melt, take into account for main heat preservation it is resistance to
The refractory insulation material layer 17 and steel furnace shell 18 of fire, the refractory material layer 16, the refractory insulation material layer 17 and steel
Matter furnace shell 18 by being sequentially arranged in furnace to furnace outside；
Stannic oxide electrode 19 is embedded in the furnace bottom 20, the stannic oxide electrode 19 is arranged in the refractory material
Between layer 16 and the refractory insulation material layer 17, the part being embedded in the furnace bottom 20 of the stannic oxide electrode 19 by
The refractory material layer 16 be covered with to prevent the stannic oxide electrode 19 expose in the interior furnace chamber of the kiln with basalt
Melt occurs directly to contact, and the part of the stannic oxide electrode 19 being embedded in the furnace bottom 20 is by the fire resistant heat preserving material
Support is wrapped in carry out heat-preservation heat-collection to the produced heat of the stannic oxide electrode 19 and prevent leaking the bed of material 17 from below；
The exposing of the stannic oxide electrode 19 is provided on the part except the furnace bottom 20 for cooling protection two
The cooling jacket of tin oxide electrode 19；
The stannic oxide electrode 19 be used for and the power connection end that extraneous power electric connection is powered be exposed at the furnace bottom 20 it
Outside.
In one embodiment in this application, the refractory material layer 16 is specially the brick layer of compact zirconia.
In one embodiment in this application, the refractory insulation material layer 17 is specially that light-weight mullite heat preservation is brick
Layer.
In one embodiment in this application, the shape of the stannic oxide electrode 19 is plate.
In one embodiment in this application, the furnace chamber in the kiln 1 include fusion zone 2, clarifying and homogenizing area 3 and
Operation area 4；
The fusion zone 2, clarifying and homogenizing area 3 and operation area 4 are in the kiln 1 along the length direction of the kiln 1
It is sequentially arranged, the interior furnace bottom face of the operation area 4 is higher than the interior furnace bottom face in the fusion zone 2 and clarifying and homogenizing area 3；
Stannic oxide electrode 19 is embedded in the furnace bottom 20 of the fusion zone 2, clarifying and homogenizing area 3 and operation area 4.
Stannic oxide electrode 19 is a kind of ceramic material, it has, and chemical stability is good, refractory temperature is high, thermal expansion coefficient
The advantages that small, can be with steady operation at 1500 DEG C or less, and stannic oxide electrode 19 has negative electrical conductive properties, i.e. its electricity
Resistance is increased with temperature and is reduced, and at 400 DEG C, resistivity is 0.8~1.2 (Ω cm), and at 1000 DEG C, resistivity
For 0.0025~0.0045 (Ω cm).
Stannic oxide electrode 19 is arranged between the refractory material layer 16 and the refractory insulation material layer 17, and described two
The part of tin oxide electrode 19 being embedded in the furnace bottom 20 is covered with by the refractory material layer 16 to prevent the titanium dioxide
Tin electrode 19, which exposes, directly to be contacted in the interior furnace chamber of the kiln with the generation of basalt melt, the stannic oxide electrode 19
By the refractory insulation material layer 17, support is wrapped in the titanium dioxide from below for the part being embedded in the furnace bottom 20
The produced heat of tin electrode 19, which carries out heat-preservation heat-collection, to be prevented leaking, and can so guarantee environment temperature locating for stannic oxide electrode 19
At 1000 DEG C or so, and cause its resistivity lower in turn, it can be by the secured fashion of low voltage and high current to stannic oxide
Electrode 19 is powered, and realizes how much adjust the produced heat of stannic oxide electrode 19 by regulation power size, and then right
The furnace bottom 20 of kiln heats, and so that the basalt melt temperature of bottom in kiln is higher than crystallization temperature, avoids the generation of melt crystallization.
The utility model provides a kind of kiln for forcing to keep the temperature for producing basalt continuous fiber and furnace bottom, the kiln
The furnace bottom 20 of furnace includes refractory material layer 16, refractory insulation material layer 17 and steel furnace shell 18, the refractory material layer 16, institute
Refractory insulation material layer 17 and steel casing are stated by being sequentially arranged outside in furnace to furnace, the stannic oxide electrode 19 is embedded in described
Between refractory material layer 16 and the refractory insulation material layer 17；The application is by mentioning 19 electrified regulation of stannic oxide electrode
The temperature of the interior bottom of high kiln makes the basalt melt temperature of the interior bottom of kiln be higher than crystallization temperature, avoids melt crystallization
Generation, the melt liquid in a possibility that can so eliminating bottom crystallization in kiln and kiln is deep, increases kiln
Production capacity.
The kiln that this application provides a kind of to force to keep the temperature for producing basalt continuous fiber and furnace bottom, the kiln 1
Interior furnace chamber includes fusion zone 2, clarifying and homogenizing area 3 and operation area 4；
The fusion zone 2, clarifying and homogenizing area 3 and operation area 4 are in the kiln 1 along the length direction of the kiln 1
It is sequentially arranged, the interior furnace bottom face of the operation area 4 is higher than the interior furnace bottom face in the fusion zone 2 and clarifying and homogenizing area 3；
The two sides of the fusion zone 2, clarifying and homogenizing area 3 and operation area 4, which is grown tall, is located at stove inner melt upper liquid to side wall
At least one electrode 5 is provided on wall under the design height in face, the two sides of the fusion zone 2 is grown tall on side wall
Length of the electrode 5 in furnace is greater than the half of the width of the fusion zone 2, and the two sides in the clarifying and homogenizing area 3 is grown tall to side wall
On length of the electrode 5 in furnace be greater than the clarifying and homogenizing area 3 width half, the two sides of the operation area 4 grow tall to
Length of the electrode 5 in furnace on side wall is greater than the half of the width of the operation area 4, and the two sides of the kiln 1 grow tall to
The length direction interlaced arrangement of whole electrodes 5 on side wall along the kiln 1；
The cooling jacket for cooling protection electrode 5 is provided on the part of each electrode 5 being exposed at outside furnace；
The two sides of the fusion zone 2, clarifying and homogenizing area 3 and operation area 4, which is grown tall, is located at stove inner melt upper liquid to side wall
Burner 8 is provided on wall on the design height in face；
It is provided with feed opening 12 on the furnace roof of 2 top of fusion zone, is arranged on the furnace roof of 3 top of clarifying and homogenizing area
There are level detection mouth and liquid temperature detection mouth, is set on the clarifying and homogenizing area 3 and the furnace roof above the junction of the operation area 4
It is equipped with smokejack 13；
Liquid outlet groove 6 is provided on the furnace bottom of the operation area 4, the lower end exit of the liquid outlet groove 6 is provided with the conjunction of platinum rhodium
Golden bushing 7, the platinum-rhodium alloy bushing 7 is in long strip, the length direction of the liquid outlet groove 6 and platinum-rhodium alloy bushing 7 with
The length direction of the kiln 1 is vertical.
In one embodiment in this application, the burner 8 is neat gas burner.
In one embodiment in this application, it is provided in the level detection mouth for detecting the clarifying and homogenizing area
The level probe 15 of the height of liquid level of basalt melt 10 in 3.
In one embodiment in this application, be provided in liquid temperature detection mouth for detect combustion space temperature and
Double measuring point thermocouples 14 of the temperature of basalt melt 10 in the clarifying and homogenizing area 3.
In one embodiment in this application, the liquid outlet groove 6 is located at the electricity of two interlaced arrangements of the operation area 4
On furnace bottom between pole 5.
In one embodiment in this application, the electrode 5 is can after the furnace inner segment scaling loss of the electrode shortens
The sustainable drive-in electrode former furnace outer segment being pushed further into furnace.
The operation area 4 uses special designing, to avoid the generation of basalt melt crystallization in one's respective area, to protect
Hinder and stablizes operation.
Using pneumoelectric kiln, under the premise of guaranteeing basalt melt quality, heat needed for basalt fibre production can be reduced
The totle drilling cost of amount, and 5 power of electrode of kiln can be reduced, the current density on 5 surface of electrode is then reduced, extension electrode is played
5 service life reduced the effect of production cost.
Basalt is crushed building stones and kiln is added through feed opening 12 according to the detectable signal of level probe 15 after washing and drying
In furnace melt, fusion zone 2 is fallen into first, basalt building stones are melted at a high temperature of 1400-1450 DEG C of fusion zone, after fusing
Basalt melt enter clarifying and homogenizing area 3 and clarified and be homogenized at a high temperature of 1450-1500 DEG C, after clarifying and being homogenized
Basalt melt enters operation area 4, and 4 temperature modulation of operation area is between 1300-1350 DEG C, finally, basalt melt is in gravity
Wire drawing is flowed on platinum-rhodium alloy bushing 7 into basalt continuous fiber, the control of 7 temperature of platinum-rhodium alloy bushing from liquid outlet groove 6 under effect
Between 1250-1350 DEG C.
The utility model provides a kind of furnace chamber packet for producing the kiln of basalt continuous fiber, in the kiln 1
Include fusion zone 2, clarifying and homogenizing area 3 and operation area 4；
The two sides of the fusion zone 2, clarifying and homogenizing area 3 and operation area 4, which is grown tall, is located at stove inner melt upper liquid to side wall
At least one electrode 5 is provided on wall under the design height in face, the two sides of the fusion zone 2 is grown tall on side wall
Length of the electrode 5 in furnace is greater than the half of the width of the fusion zone 2, and the two sides in the clarifying and homogenizing area 3 is grown tall to side wall
On length of the electrode 5 in furnace be greater than the clarifying and homogenizing area 3 width half, the two sides of the operation area 4 grow tall to
Length of the electrode 5 in furnace on side wall is greater than the half of the width of the operation area 4, and the two sides of the kiln 1 grow tall to
The length direction interlaced arrangement of whole electrodes 5 on side wall along the kiln 1；
The two sides of the fusion zone 2, clarifying and homogenizing area 3 and operation area 4, which is grown tall, is located at stove inner melt upper liquid to side wall
Burner 8 is provided on wall on the design height in face；
In the application, powered electrode 5 is immersed in basalt melt, belongs to internal heating, burner 8 is in basalt melt
Top heating belongs to external radiation heating, and the two, which combines, forms inside and outside common heating, so that thermal field is more equal in kiln
It is even, the melting rate of basalt building stones is improved, so that basalt melt temperature and ingredient are more evenly, improves separate unit kiln institute
The production capacity and quality for producing basalt continuous fiber are more advantageous to the large-scale industrial production for realizing basalt continuous fiber.
The method and apparatus of the not detailed description of the utility model are the prior art, are repeated no more.
Specific embodiment used herein is expounded the principles of the present invention and embodiment, the above implementation
The explanation of example is merely used to help understand the method and its core concept of the utility model.It should be pointed out that for the art
Those of ordinary skill for, without departing from the principle of this utility model, can also to the utility model carry out it is several
Improvement and modification, modifications and modifications also fall within the protection scope of the claims of the utility model.
Claims (5)
1. a kind of kiln for forcing heat preservation for producing basalt continuous fiber and furnace bottom, which is characterized in that the kiln includes
Furnace bottom, furnace side wall and furnace roof；
The furnace bottom includes refractory material layer for directly contacting with basalt melt, for main keep the temperature takes into account the fire resisting of fire resisting
Adiabator layer and steel furnace shell, the refractory material layer, the refractory insulation material layer and steel furnace shell by furnace to furnace
It is sequentially arranged outside；
Be embedded with stannic oxide electrode in the furnace bottom, the stannic oxide electrode setting the refractory material layer with it is described resistance to
Between fiery adiabator layer, the part of the stannic oxide electrode being embedded in the furnace bottom is covered by the refractory material layer
To prevent the stannic oxide electrode expose in the interior furnace chamber of the kiln with basalt melt generation directly contact, described two
By the refractory insulation material layer, support is wrapped in institute from below for the part of tin oxide electrode being embedded in the furnace bottom
The produced heat progress heat-preservation heat-collection of stannic oxide electrode is stated to prevent leaking；
The exposing of the stannic oxide electrode is provided with for cooling protection stannic oxide electricity on the part except the furnace bottom
The cooling jacket of pole；
The power connection end for powering with extraneous power electric connection of the stannic oxide electrode is exposed at except the furnace bottom.
2. kiln according to claim 1, which is characterized in that the refractory material layer is specially that compact zirconia is brick
Layer.
3. kiln according to claim 1, which is characterized in that the refractory insulation material layer is specially that light-weight mullite is protected
The brick layer of temperature.
4. kiln according to claim 1, which is characterized in that the shape of the stannic oxide electrode is plate.
5. kiln according to claim 1, which is characterized in that the furnace chamber in the kiln includes fusion zone, clarifying and homogenizing
Area and operation area；
The length direction of the fusion zone, clarifying and homogenizing area and operation area in the kiln along the kiln is sequentially arranged,
The interior furnace bottom face of the operation area is higher than the interior furnace bottom face in the fusion zone and clarifying and homogenizing area；
Stannic oxide electrode is embedded in the furnace bottom of the fusion zone, clarifying and homogenizing area and operation area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821241634.6U CN208869483U (en) | 2018-08-02 | 2018-08-02 | A kind of kiln for forcing to keep the temperature for producing basalt continuous fiber and furnace bottom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821241634.6U CN208869483U (en) | 2018-08-02 | 2018-08-02 | A kind of kiln for forcing to keep the temperature for producing basalt continuous fiber and furnace bottom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208869483U true CN208869483U (en) | 2019-05-17 |
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ID=66464046
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821241634.6U Active CN208869483U (en) | 2018-08-02 | 2018-08-02 | A kind of kiln for forcing to keep the temperature for producing basalt continuous fiber and furnace bottom |
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| CN (1) | CN208869483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108658431A (en) * | 2018-08-02 | 2018-10-16 | 山东聚源玄武岩纤维股份有限公司 | A kind of kiln for forcing to keep the temperature for producing basalt continuous fiber and furnace bottom |
-
2018
- 2018-08-02 CN CN201821241634.6U patent/CN208869483U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108658431A (en) * | 2018-08-02 | 2018-10-16 | 山东聚源玄武岩纤维股份有限公司 | A kind of kiln for forcing to keep the temperature for producing basalt continuous fiber and furnace bottom |
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