CN204574806U - A kind of heating furnace and heating furnace insulating lining thereof - Google Patents
A kind of heating furnace and heating furnace insulating lining thereof Download PDFInfo
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- CN204574806U CN204574806U CN201420734975.2U CN201420734975U CN204574806U CN 204574806 U CN204574806 U CN 204574806U CN 201420734975 U CN201420734975 U CN 201420734975U CN 204574806 U CN204574806 U CN 204574806U
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- heating furnace
- insulating lining
- refractory brick
- insulation layer
- inorganic refractory
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Abstract
The utility model discloses a kind of heating furnace insulating lining, for being arranged on the furnace wall of inside heating furnace, wherein, described heating furnace insulating lining comprises inorganic refractory brick layer.This heat-insulation layer is made up of inorganic refractory brick, has that extremely strong temperature stability and chemical stability, intensity are high, easy construction, not easy to crack, difficult drop-off.Select inorganic refractory brick layer, heating furnace insulating lining can adapt to in-furnace temperature better, and when improving in-furnace temperature, inorganic refractory brick layer can ensure fire-resistant effect, can not make furnace wall damage or cause other adverse consequences, and inorganic refractory brick layer form of construction work easy, be more prone to shaping.The invention also discloses a kind of heating furnace comprising above-mentioned heating furnace insulating lining.This heating furnace can bear higher furnace temperature, easy construction, Stability Analysis of Structures.
Description
Technical field
The utility model relates to metallurgical industry field, particularly a kind of heating furnace insulating lining.In addition, the utility model also relates to a kind of heating furnace comprising above-mentioned heating furnace insulating lining.
Background technology
In metallurgical industry, material or workpiece all need temperature to be increased to forging temperature before processing, and heating furnace is one of key equipment in intensification refinery device, and the quality of its performance directly affects the cycle that equipment safety is produced.
The inwall of heating furnace is provided with heating furnace insulating lining usually.The effect of heating furnace insulating lining makes heating furnace can bear high-temperature hot load in running, resist chemical erosion and reduce thermal loss, and it has certain structural strength, can improve heat exchanging process in heating furnace.The quality of heating furnace insulating lining effect is the key factor directly affecting heating furnace safe operation.Inner lining material is selected suitably, reasonable in design, construction quality improve is the main path improving heating furnace thermal property, improve insulating lining service life, ensure Long-term Operation of Fired Heaters.
As the main working parts of heating furnace, the temperature at heating furnace center is higher.Heating furnace inwall is furnished with heating furnace insulating lining, fits with stove inwall, for thermal insulation protection furnace wall, and resist chemical erosion.
Heating furnace insulating lining is formed primarily of refractory material.Refractory material is to production and processing industries, and the development as steel casting, field of petrochemical industry plays vital effect.The selection of refractory material is different, the difference of thickness and structure, or even the difference of form of construction work all can have an impact to the service behaviour of heating furnace insulating lining.
Current heating furnace insulating lining is generally made up of working lining and heat-insulation layer, and between working lining and furnace wall is heat-insulation layer.In prior art, working lining adopts amorphous refractory usually, and heat-insulation layer usually adopts light-weight brick to add fibre or lightening casting material adds fibre.Working lining uses unshape refractory itself without fixing profile, refractory castable, moldable etc. can be divided into according to construction method and material character, usual employing vibratory drilling method is constructed, and needs to make it condense through suitable maintenance, and by just using after certain baking.Along with the development of unshape refractory, the producer of the integrated poured heating furnace of unshape refractory is adopted to get more and more.
Such heating furnace is all greatly improved in air-tightness and converter life, but has some shortcomings part, is mainly manifested in the following aspects:
1, amorphous refractory bearing temperature is not high, restricted for raising furnace temperature;
2, constructional difficulties, not easy-formation.Because amorphous refractory is mainly constructed with the method for vibration, but require higher to vibration, if vibrate not in place, the additive effect of material can be affected;
3, structural instability.The baking time that unshape refractory condensation process needs is long, and insulation material easily ruptures;
If 4 construction and installation poor qualities or furnace operation fluctuation are greatly, the easy overtemperature in furnace wall.
As can be seen here, in prior art, the high-temperature resistance of heating furnace insulating lining is poor, and form of construction work is complicated, and has destabilizing factor, has the possibility reducing heating furnace stability.
In sum, how designing oven inner liner, to improve the refractory temperature of heating furnace insulating lining, is the current technical issues that need to address of those skilled in the art.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of heating furnace insulating lining, and this inner lining structure temperature stability is high, can bear higher in-furnace temperature, and makes work progress simple and convenient.Another object of the present utility model is to provide a kind of heating furnace comprising above-mentioned heating furnace insulating lining.
For achieving the above object, the utility model provides following technical scheme:
A kind of heating furnace insulating lining, for being arranged on the furnace wall of inside heating furnace, wherein, described heating furnace insulating lining comprises inorganic refractory brick layer.
Preferably, also comprise carbon fibre heat-insulation layer, described carbon fibre heat-insulation layer is used for being arranged between described inorganic refractory brick layer and described furnace wall.
Preferably, also comprise nano ceramics heat-insulation layer, described nano ceramics heat-insulation layer is used for being arranged between described carbon fibre heat-insulation layer and described furnace wall.
Preferably, the thickness of described carbon fibre heat-insulation layer is 100 millimeters to 200 millimeters.
Preferably, the thickness of described carbon fibre heat-insulation layer is 150 millimeters
A kind of heating furnace, comprise heating furnace insulating lining, wherein, described heating furnace insulating lining is the heating furnace insulating lining as described in above-mentioned any one.
Heating furnace insulating lining provided by the utility model comprises inorganic refractory brick layer, and this inorganic refractory brick layer is made up of inorganic refractory brick, has that extremely strong temperature stability and chemical stability, intensity are high, easy construction, not easy to crack, difficult drop-off.Compared with amorphous refractory layer of the prior art, inorganic refractory brick layer is higher for the ability to bear of high temperature, and when locating in high temperature environments, its temperature stability highlights more.Heating furnace insulating lining selects inorganic refractory brick layer can adapt to in-furnace temperature better, and when improving in-furnace temperature, inorganic refractory brick layer can continue to ensure fire-resistant effect, and furnace wall can not be made to damage or cause other adverse consequences.Second, the form of construction work of inorganic refractory brick layer is mainly builds by laying bricks or stones, by building up inorganic refractory brick layer by brick for inorganic refractory, and adopt compared with amorphous refractory in prior art, in the utility model the installation mode of refractory brick more simple, be more prone to shaping.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of Fig. 1 heating furnace disclosed in the utility model embodiment;
Fig. 2 provides by the utility model the schematic diagram of the specific embodiment of heating furnace insulating lining.
Detailed description of the invention
Core of the present utility model is to provide a kind of heating furnace insulating lining, and this lining temperature stability is high, can bear higher in-furnace temperature, and makes work progress simple and convenient.Another core of the present utility model is to provide a kind of heating furnace comprising above-mentioned heating furnace insulating lining.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1 and Fig. 2, the structural representation of the heating furnace that Fig. 1 provides for the utility model embodiment, Fig. 2 provides by the utility model the schematic diagram of the composition of heating furnace insulating lining.
Heating furnace insulating lining comprises the inorganic refractory brick layer 1 be made up of inorganic refractory brick.The feature of inorganic refractory brick layer 1 is that temperature stability is high, chemical stability is high, the temperature higher than indefinite form flame retardant coating of the prior art can be born, the temperature in stove can be allowed to promote further and do not produce the change in structure and chemical property, and there is the advantages such as structural strength is high, not yielding.Inorganic refractory brick layer 1 form of construction work is for building by laying bricks or stones in addition, and building process simple and fast, not easily produces deformation and fracture.
Heating furnace insulating lining also comprises carbon fibre heat-insulation layer 2, and for being arranged between described inorganic refractory brick layer 1 and the furnace wall 4 of heating furnace, carbon fibre heat-insulation layer 2 and inorganic refractory brick 1 are fitted.
Optionally, carbon fibre heat-insulation layer 2, as the heat-insulation layer of oven inner liner, can substitute, as high/low temperature ceramic wool insulation layer etc. by other conventional heat-insulation layers of choice for use.
The feature of carbon fibre heat-insulation layer 2 is high temperature resistant, resistance to ablations, and thermal coefficient of expansion is little and specific strength is high.Because carbon fibre heat-insulation layer 2 has the architectural characteristic of high-quality, this heat-insulation layer has good ability in resistance stretcher strain etc., even if the inorganic refractory brick layer 1 of working lining produces distortion owing to heating up, therefore carbon fibre heat-insulation layer 2 also can not rupture.
Because the excellent heat resistance of inorganic refractory brick layer 1, form of construction work are simple, Stability Analysis of Structures, and the pull resistance of carbon fibre heat-insulation layer 2 is good, makes heating furnace insulating lining can not produce distortion in high temperature environments.Inorganic refractory brick layer 1 is combined with carbon fibre heat-insulation layer 2 and arranges, more effectively can improve the architectural characteristic of heating furnace insulating lining.
In sum, adopt the heating furnace insulating lining of inorganic refractory brick layer 1, heat-resisting ability is strong, Stability Analysis of Structures, construction are convenient, long service life.
Optionally, the opposite side of carbon fibre heat-insulation layer 2 is provided with nano ceramics heat-insulation layer 3.Nano ceramics heat-insulation layer 3 heat transfer coefficient is low, has excellent heat insulation and preservation effect in high temperature environments, can play etch-proof effect simultaneously, in addition, also have do not come off, do not burn, water-fast, moistureproof, nontoxic and that environment is not polluted feature.Add nano ceramics heat-insulation layer 3 at carbon fibre heat-insulation layer 2 skin, improve heat insulation effect further, can also prevent carbon fibre heat-insulation layer 2 from corroding oven wall.
Optionally, have in the heating furnace insulating lining of carbon fibre heat-insulation layer 2 above-mentioned, the thickness of carbon fibre heat-insulation layer 2 is selected between 100 millimeters to 200 millimeters, while the heat insulation effect having ensured heating furnace insulating lining and architectural characteristic, can save material, reduce energy consumption.
Optionally, have in the heating furnace insulating lining of carbon fibre heat-insulation layer 2 above-mentioned, the thickness optimum value of carbon fibre heat-insulation layer 2 is 150 millimeters.
Except above-mentioned heating furnace insulating lining, the utility model additionally provides a kind of heating furnace comprising heating furnace insulating lining disclosed in above-described embodiment, and oven inner liner is arranged on the inwall of heating furnace.The heat-resisting effect of this heating furnace is good, form of construction work is simple, save material, reduce the wastage.
To the above-mentioned explanation of the disclosed embodiments, those skilled in the art are realized or uses the utility model.To be apparent for a person skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a heating furnace insulating lining, for being arranged on the furnace wall of inside heating furnace, is characterized in that, described heating furnace insulating lining comprises inorganic refractory brick layer (1);
Also comprise carbon fibre heat-insulation layer (2), described carbon fibre heat-insulation layer (2) is for being arranged between described inorganic refractory brick layer (1) and described furnace wall (4).
2. liner according to claim 1, it is characterized in that, also comprise nano ceramics heat-insulation layer (3), described nano ceramics heat-insulation layer (3) is for being arranged between described carbon fibre heat-insulation layer (2) and described furnace wall (4).
3. liner according to claim 1 and 2, is characterized in that, the thickness of described carbon fibre heat-insulation layer (2) is 100 millimeters to 200 millimeters.
4. liner according to claim 3, is characterized in that, the thickness of described carbon fibre heat-insulation layer (2) is 150 millimeters.
5. a heating furnace, comprises heating furnace insulating lining, it is characterized in that, described heating furnace insulating lining is the heating furnace insulating lining as described in any one of claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734975.2U CN204574806U (en) | 2014-11-27 | 2014-11-27 | A kind of heating furnace and heating furnace insulating lining thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734975.2U CN204574806U (en) | 2014-11-27 | 2014-11-27 | A kind of heating furnace and heating furnace insulating lining thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204574806U true CN204574806U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420734975.2U Active CN204574806U (en) | 2014-11-27 | 2014-11-27 | A kind of heating furnace and heating furnace insulating lining thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204574806U (en) |
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2014
- 2014-11-27 CN CN201420734975.2U patent/CN204574806U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Heating furnace and its heat preservation lining Effective date of registration: 20210127 Granted publication date: 20150819 Pledgee: Industrial Bank Co.,Ltd. Haikou Branch Pledgor: HAINAN HANDI SUNSHINE PETROCHEMICAL Co.,Ltd. Registration number: Y2021980000735 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220721 Granted publication date: 20150819 Pledgee: Industrial Bank Co.,Ltd. Haikou Branch Pledgor: HAINAN HANDI SUNSHINE PETROCHEMICAL Co.,Ltd. Registration number: Y2021980000735 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A heating furnace and its heating furnace thermal insulation lining Effective date of registration: 20220729 Granted publication date: 20150819 Pledgee: Industrial Bank Co.,Ltd. Haikou Branch Pledgor: HAINAN HANDI SUNSHINE PETROCHEMICAL Co.,Ltd. Registration number: Y2022980011532 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230818 Granted publication date: 20150819 Pledgee: Industrial Bank Co.,Ltd. Haikou Branch Pledgor: HAINAN HANDI SUNSHINE PETROCHEMICAL Co.,Ltd. Registration number: Y2022980011532 |