CN202945311U - Furnace lining structure of vertical pit-type gas carburizing furnace - Google Patents
Furnace lining structure of vertical pit-type gas carburizing furnace Download PDFInfo
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- CN202945311U CN202945311U CN 201220612007 CN201220612007U CN202945311U CN 202945311 U CN202945311 U CN 202945311U CN 201220612007 CN201220612007 CN 201220612007 CN 201220612007 U CN201220612007 U CN 201220612007U CN 202945311 U CN202945311 U CN 202945311U
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Abstract
The utility model provides a furnace lining structure of a vertical pit-type gas carburizing furnace. The furnace lining structure comprises a furnace body lining, a furnace bottom lining and a furnace cover lining, wherein the furnace body lining is of a composite structure, the composite structure is implemented through taking a refractory brick and an alumina silicate fibrofelt I as the inner layer and taking aluminum silicate fiber cotton as the outer layer, the furnace bottom lining comprises a knotting material, an impervious carbon brick, a high-alumina brick and a clay brick which are sequentially arranged from top to bottom, the furnace cover lining is of a heat preservation bag structure or a folding block knotting structure, and the heat preservation bag structure adopts a heat preservation bag made from heat-resisting materials and an alumina silicate fibrofelt II for filling the heat preservation bag. The furnace lining structure of the vertical pit-type gas carburizing furnace can well seal a hearth of the vertical pit-type gas carburizing furnace, thereby ensuring the smooth implementation of a machining operation on workpieces in the hearth and ensuring a machining effect. The furnace lining structure of the vertical pit-type gas carburizing furnace is reasonable in structure design under the premise of low production cost, and can effectively improve the utilization rate of resources, thereby increasing the production benefits and achieving the purpose of energy conservation.
Description
Technical field
The present invention relates to a kind of furnace lining structure, especially relate to a kind of furnace lining structure of pit gas carburizing furnace.
Background technology
In the use procedure of pit gas carburizing furnace, should guarantee the burner hearth of pit gas carburizing furnace by good sealing, to reduce calorific loss, fully improve the efficient utilization of resource rate, be beneficial to the realization of energy-conservation purpose.Simultaneously under the prerequisite of considering economic benefit, should the production control cost at lower level, with this, how to reduce the calorific loss of the burner hearth of pit gas carburizing furnace under the prerequisite of lower production cost, guarantee favorable sealing property, with abundant raising efficient utilization of resource rate, the increase productivity effect is the problem that should solve in the design and production process of the furnace lining structure of pit gas carburizing furnace.
Summary of the invention
The furnace lining structure that the purpose of this invention is to provide a kind of pit gas carburizing furnace solves how to reduce the calorific loss of the burner hearth of pit gas carburizing furnace under the prerequisite of lower production cost, guarantee favorable sealing property, with abundant raising efficient utilization of resource rate, increase the problem of productivity effect.
Technical solution of the present invention is:
a kind of furnace lining structure of pit gas carburizing furnace, comprise the body of heater lining, furnace bottom lining and bell lining, described body of heater lining is total silicon acid aluminum fiber structure or composite structure, it is refractory brick and alumina silicate fiber felt one that described composite structure adopts internal layer, skin is aluminosilicate fiber cotton or perlite bulk cargo, described furnace bottom lining comprises the stamp mass that sets gradually from top to bottom, impervious carbon brick, high alumina brick, clay brick, described bell lining adopts insulation pack arrangement or folded piece knitted construction, described insulation pack arrangement adopts the insulation bag of heat-stable material making and is used for filling the alumina silicate fiber felt two of insulation bag, described folded piece knitted construction adopts folded piece and the solidifying agent of brushing on the folded piece surface.
Further improve and be: the thickness of described body of heater lining is 300-400mm.
Further improve and be: the thickness of described refractory brick is that 90-120mm, proportion are 0.8-1.3g/cm
3, the proportion of described alumina silicate fiber felt one is 0.15-0.3g/cm
3
Further improve and be: the thickness of the stamp mass of described furnace bottom lining is that 160-180mm, impervious carbon brick proportion are 2.1-2.3g/cm
3, high alumina brick proportion be 1.7-1.9 g/cm
3, clay brick proportion be 0.9-1.1g/cm
3
Further improve and be: the thickness of described alumina silicate fiber felt two is 15-25mm, and proportion is 0.15-0.3g/cm
3
Further improve and be: the thickness of described folded piece is 300-400mm.
The furnace lining structure of a kind of pit gas carburizing furnace of the present invention, by body of heater lining, furnace bottom lining and bell lining are carried out different settings, make the burner hearth of pit gas carburizing furnace realize better sealing effectiveness, with assurance, the workpiece in burner hearth is carried out carrying out smoothly of process operation and guarantees processing effect.The body of heater lining is total silicon acid aluminum fiber structure or composite structure, it is that refractory brick and alumina silicate fiber felt one, skin are aluminosilicate fiber cotton or perlite bulk cargo that described composite structure adopts internal layer, namely adopt refractory brick and alumina silicate fiber felt one at the internal layer near burner hearth, this composite structure can make the body of heater lining carry out good heat-insulation and heat-preservation to burner hearth.The furnace bottom lining of the furnace lining structure of this kind pit gas carburizing furnace comprises the stamp mass that sets gradually from top to bottom, impervious carbon brick, high alumina brick, clay brick, and the heat insulation effect of the furnace bottom of abundant assurance pit gas carburizing furnace is set by multilayer.
The invention has the beneficial effects as follows: the furnace lining structure of a kind of pit gas carburizing furnace of the present invention, can carry out good sealing to the burner hearth of pit gas carburizing furnace, thereby guarantee the workpiece in burner hearth is carried out carrying out smoothly of process operation and guarantees processing effect.The furnace lining structure of this kind pit gas carburizing furnace, under the prerequisite of lower production cost, reasonable in design can effectively improve the utilization ratio of resource, thereby realizes energy-conservation purpose when increasing productivity effect.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the present invention;
Wherein: 1-body of heater lining, 2-bell lining, 3-stamp mass, the impervious carbon brick of 4-, 5-high alumina brick, 6-clay brick.
Embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
as shown in Figure 1, the present embodiment provides a kind of furnace lining structure of pit gas carburizing furnace, comprise body of heater lining 1, furnace bottom lining and bell lining 2, described body of heater lining 1 is composite structure, it is refractory brick and alumina silicate fiber felt one that described composite structure adopts internal layer, skin is aluminosilicate fiber cotton, described furnace bottom lining comprises the stamp mass 3 that sets gradually from top to bottom, impervious carbon brick 4, high alumina brick 5, clay brick 6, described bell lining 2 adopts the insulation pack arrangement, described insulation pack arrangement adopts the insulation bag of heat-stable material making and is used for filling the alumina silicate fiber felt two of insulation bag, the thickness of described body of heater lining 1 is 300-400mm, preferred 350mm.The thickness of described refractory brick is 90-120mm, and preferred 105mm, proportion are 0.8-1.3g/cm
3, preferred 1.1g/cm
3, the proportion of described alumina silicate fiber felt one is 0.15-0.3g/cm
3, preferred 0.2g/cm
3The thickness of the stamp mass 3 of described furnace bottom lining is 160-180mm, and preferred 170mm, impervious carbon brick 4 proportions are 2.1-2.3g/cm
3, preferred 2.2g/cm
3, high alumina brick 5 proportion be 1.7-1.9 g/cm
3, preferred 1.8g/cm
3, clay brick 6 proportion be 0.9-1.1g/cm
3, preferred 1.0g/cm
3The thickness of described alumina silicate fiber felt two is 15-25mm, preferred 20mm, and proportion is 0.15-0.3g/cm
3, preferred 0.2g/cm
3
The furnace lining structure of a kind of pit gas carburizing furnace of the present embodiment, by body of heater lining 1, furnace bottom lining and bell lining 2 are carried out different settings, make the burner hearth of pit gas carburizing furnace realize better sealing effectiveness, with assurance, the workpiece in burner hearth is carried out carrying out smoothly of process operation and guarantees processing effect.The furnace bottom lining of the furnace lining structure of this kind pit gas carburizing furnace comprises stamp mass 3, impervious carbon brick 4, high alumina brick 5, the clay brick 6 that sets gradually from top to bottom, and the heat insulation effect of the furnace bottom of abundant assurance pit gas carburizing furnace is set by multilayer.
The beneficial effect of the present embodiment is: the furnace lining structure of a kind of pit gas carburizing furnace of the present embodiment, can carry out good sealing to the burner hearth of pit gas carburizing furnace, thereby guarantee the workpiece in burner hearth is carried out carrying out smoothly of process operation and guarantees processing effect.The furnace lining structure of this kind pit gas carburizing furnace, under the prerequisite of lower production cost, reasonable in design can effectively improve the utilization ratio of resource, thereby realizes energy-conservation purpose when increasing productivity effect.
Claims (6)
1. the furnace lining structure of a pit gas carburizing furnace, it is characterized in that: comprise body of heater lining (1), furnace bottom lining and bell lining (2), described body of heater lining (1) is total silicon acid aluminum fiber structure or composite structure, it is refractory brick and alumina silicate fiber felt one that described composite structure adopts internal layer, skin is aluminosilicate fiber cotton or perlite bulk cargo, described furnace bottom lining comprises the stamp mass (3) that sets gradually from top to bottom, impervious carbon brick (4), high alumina brick (5), clay brick (6), described bell lining (2) adopts insulation pack arrangement or folded piece knitted construction, described insulation pack arrangement adopts the insulation bag of heat-stable material making and is used for filling the alumina silicate fiber felt two of insulation bag, described folded piece knitted construction adopts folded piece and the solidifying agent of brushing on the folded piece surface.
2. the furnace lining structure of pit gas carburizing furnace as claimed in claim 1 is characterized in that: the thickness of described body of heater lining (1) is 300-400mm.
3. the furnace lining structure of pit gas carburizing furnace as claimed in claim 1, it is characterized in that: the thickness of described refractory brick is that 90-120mm, proportion are 0.8-1.3g/cm
3, the proportion of described alumina silicate fiber felt one is 0.15-0.3g/cm
3
4. as the furnace lining structure of the described pit gas carburizing furnace of claim 1-3 any one, it is characterized in that: the thickness of the stamp mass (3) of described furnace bottom lining is that 160-180mm, impervious carbon brick (4) proportion are 2.1-2.3g/cm
3, high alumina brick (5) proportion be 1.7-1.9 g/cm
3, clay brick (6) proportion be 0.9-1.1g/cm
3
5. as the furnace lining structure of the described pit gas carburizing furnace of claim 1-3 any one, it is characterized in that: the thickness of described alumina silicate fiber felt two is 15-25mm, and proportion is 0.15-0.3g/cm
3
6. as the furnace lining structure of the described pit gas carburizing furnace of claim 1-3 any one, it is characterized in that: the thickness of described folded piece is 300-400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220612007 CN202945311U (en) | 2012-11-19 | 2012-11-19 | Furnace lining structure of vertical pit-type gas carburizing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220612007 CN202945311U (en) | 2012-11-19 | 2012-11-19 | Furnace lining structure of vertical pit-type gas carburizing furnace |
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| Publication Number | Publication Date |
|---|---|
| CN202945311U true CN202945311U (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220612007 Expired - Fee Related CN202945311U (en) | 2012-11-19 | 2012-11-19 | Furnace lining structure of vertical pit-type gas carburizing furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103820749A (en) * | 2012-11-19 | 2014-05-28 | 丹阳市江南工业炉有限公司 | Furnace lining structure for pit type gas carburizing furnace |
| WO2018068331A1 (en) * | 2016-10-15 | 2018-04-19 | 朱红英 | Shaped piece of anti-leakage refractory fiber blankets |
-
2012
- 2012-11-19 CN CN 201220612007 patent/CN202945311U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103820749A (en) * | 2012-11-19 | 2014-05-28 | 丹阳市江南工业炉有限公司 | Furnace lining structure for pit type gas carburizing furnace |
| WO2018068331A1 (en) * | 2016-10-15 | 2018-04-19 | 朱红英 | Shaped piece of anti-leakage refractory fiber blankets |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20131119 |