CN204730651U - A kind of porous cross structure insulating fire brick - Google Patents
A kind of porous cross structure insulating fire brick Download PDFInfo
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- CN204730651U CN204730651U CN201520334891.4U CN201520334891U CN204730651U CN 204730651 U CN204730651 U CN 204730651U CN 201520334891 U CN201520334891 U CN 201520334891U CN 204730651 U CN204730651 U CN 204730651U
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Abstract
A kind of porous cross structure insulating fire brick, described refractory brick is rectangular structure, a trouble free service face is provided with in the middle of described rectangular structure, side, described trouble free service face is solid section, opposite side is structure division, described structure division comprises two or more insulation holes, described insulation hole is breakthrough status or incomplete breakthrough status, filling with insulation material or not filling with insulation material in described insulation hole, the insulating fire brick of the utility model porous cross structure is lightweight, there is good heat insulating function, can surface temperature 30-260 DEG C be reduced.Owing to having porous in cold junction non-working surface and parallel or interlaced arrangement, heat transmission is slow, and thermal stress is disperseed, and mechanical behavior under high temperature is stablized, and meets high temperature operating conditions needs, and energy-saving effect is remarkable, wide market.
Description
Technical field
The utility model relates to refractory brick technical field, refers to a kind of porous cross structure insulating fire brick especially.
Background technology
Refractory brick has the superior functions such as high, high temperature resistant, the wear-resistant and antiscour of intensity, is widely used in iron and steel, building materials, the hot industry furnace lining such as coloured.Under the prerequisite ensureing refractory brick high-temperature behavior, be made as porous and interlocked light-weighted compound heat-insulation structure, furnace lining energy consumption can be reduced, meet national industrial policies.
Hot industry furnace lining refractory brick used is generally divided into hot junction working face and cold junction non-working surface, and for guaranteeing safe operation, when many kiln hot junctions working face refractory brick often uses less than a half thickness, just stop kiln maintenance, it again changed, utilization rate is less than 50%.For improving furnace lining high-temperature behavior, the bulk density and the elevated temperature strength that make refractory brick want high, and thermomechanical property is good, but because of the fine and close thermal conductivity of material also high, hot operation makes amount of heat in body of heater be passed to body of heater surface, and thermal loss is large, and energy consumption is high.As large-scale cement rotary kiln inner lining refractory block, for improving its mechanical wear, adopt one deck density fireproof brick masonry, kiln lining General Life is 1 year.Owing to not adopting heat-insulating heat-preserving material, make amount of heat be passed to outside cylindrical shell, the thermal efficiency is low.
Utility model content
The technical problems to be solved in the utility model effectively cannot implement the problems such as heat-insulation and heat-preservation to Industrial Stoves for existing refractory brick, provides a kind of porous cross structure insulating fire brick.Do not changing in former refractory brick production technology situation, for ensureing mechanical strength, avoid heat to concentrate, improve thermal stress simultaneously, produce the parallel porous holes with definite shape circle, cuboid, square and ellipsoid etc. or more structure or staggered porous holes or more structure at cold junction non-working surface.
A kind of porous cross structure insulating fire brick, described refractory brick is rectangular structure, a trouble free service face is provided with in the middle of described rectangular structure, side, described trouble free service face is solid section, opposite side is structure division, described structure division comprises two or more insulation holes, and described insulation hole is breakthrough status or incomplete breakthrough status, filling with insulation material or not filling with insulation material in described insulation hole;
Further, described insulation hole is the one in circle, square, rectangle or ellipse, the internal diameter of described insulation hole is 10-50mm, the minimum range on described insulation hole side and described refractory brick border is 10-50mm, the insulation hole of described incomplete breakthrough status there is an opening, the insulation hole of described incomplete breakthrough status is 5-20mm in contrast to the bottom surface of described opening apart from the distance of refractory brick side.；
Further, described solid section is identical with described structure division width, and described solid section is working end in contrast to one end, described trouble free service face, and described structure division is non-operative end in contrast to one end, described trouble free service face;
Further, the packing material of the insulation hole of described breakthrough status is diatomite, perlite, calcium silicates, clay, high alumina, mullite, corundum, fly ash float, brown corundum dust-removing powder bulk material, the packing material of the insulation hole of described part breakthrough status be rock wool, glass fibre, alumina silicate fibre, alumina fibre, containing zirconium fiber, clayey, High-Alumina, mullite, corundum, siliceous, magnesia light weight product;
Further, described insulation hole is arranged in parallel or be staggered.
The beneficial effect of technique scheme of the present utility model is as follows:
In such scheme, the insulating fire brick with porous cross structure is lightweight, has good heat insulating function, can reduce surface temperature 30-260 DEG C.Owing to having porous in cold junction non-working surface and parallel or interlaced arrangement, heat transmission is slow, and thermal stress is disperseed, and mechanical behavior under high temperature is stablized, and meets high temperature operating conditions needs, and energy-saving effect is remarkable, wide market.
Accompanying drawing explanation
Fig. 1 is the front view of porous cross structure insulating fire brick of the present utility model;
Fig. 2 is the left view of porous cross structure insulating fire brick of the present utility model;
Fig. 3 is the top view of porous cross structure insulating fire brick of the present utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is explained in further detail.Should be appreciated that specific embodiment described herein only for explaining the utility model, and be not used in restriction the utility model.
On the contrary, the utility model is contained any by the substituting of making on marrow of the present utility model and scope of defining of claim, amendment, equivalent method and scheme.Further, in order to make the public have a better understanding to the utility model, in hereafter details of the present utility model being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand the utility model completely for a person skilled in the art yet.
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of porous cross structure insulating fire brick, described refractory brick is rectangular structure, be provided with a trouble free service face in the middle of described rectangular structure, side, described trouble free service face is solid section 1, and opposite side is structure division 2, described structure division 2 comprises two or more insulation holes 3, described insulation hole 3 is breakthrough status or incomplete breakthrough status, filling with insulation material or not filling with insulation material in described insulation hole 3, and described insulation hole 3 be circle, square, one in rectangle or ellipse, the internal diameter of described insulation hole 3 is 10-50mm, the minimum range on described insulation hole 3 side and described refractory brick border is 10-50mm, the insulation hole 3 of described incomplete breakthrough status has an opening, the insulation hole 3 of described incomplete breakthrough status is 5-20mm in contrast to the bottom surface of described opening apart from the distance of refractory brick side, described solid section 1 is identical with described structure division 2 width, described solid section 1 is working end 4 in contrast to one end, described trouble free service face 6, described structure division 2 is non-operative end 5 in contrast to one end, described trouble free service face 6, and the packing material of the insulation hole 3 of described breakthrough status is diatomite, perlite, calcium silicates, clay, high alumina, mullite, corundum, fly ash float, brown corundum dust-removing powder bulk material, wherein one or more mixing fillings of described insulation hole 3, the packing material of the insulation hole 3 of described part breakthrough status is rock wool, glass fibre, alumina silicate fibre, alumina fibre, containing zirconium fiber, clayey, High-Alumina, mullite, corundum, siliceous, magnesia light weight product, described insulation hole 3 is arranged in parallel or be staggered, wherein one or more mixing fillings of described insulation hole 3.
In manufacturing process, by raw material through mixing, machine pressure or offhand, high temperature the production process such as to burn till, or raw material makes refractory brick through stirring, cast or the production process such as vibration moulding, oven dry, when ensureing to build by laying bricks or stones with result of use, after high temperature burns till or is pre-formed, in the half thickness that refractory brick cold junction non-working surface 5 starts, according to kiln operating temperature and concrete application conditions, make insulation hole 3 parallel construction of semiclosed shape, namely form structure division 2; Part near working face is then solid section 1.Trouble free service face 6 is formed between solid section 1 and structure division 2.The insulation hole 3 of structure division 2 is two or more, insulation hole 3 is not exclusively got through, for semi-closed state, insulation hole 3 makes circle in the present embodiment, filling with insulation material in insulation hole 3, comprise the bulk materials such as diatomite, perlite, calcium silicates, clay, high alumina, mullite, corundum, fly ash float, brown corundum dust-removing powder, with wherein one or more mixing fillings.
The internal diameter of insulation hole 3 is 20mm, the minimum range on insulation hole 3 side and refractory brick border is 30mm, the insulation hole 3 of described incomplete breakthrough status has an opening, the insulation hole 3 of described incomplete breakthrough status is 5-20mm in contrast to the bottom surface of described opening apart from the distance of refractory brick side, and the insulation hole 3 of described breakthrough status has two through holes.
This refractory brick is lightweight, has good heat insulating function, can reduce surface temperature 30-260 DEG C.Due to the empty also interlaced arrangement of a guy in cold junction non-working surface 5, heat transmission is slow, and thermal stress is disperseed, and mechanical behavior under high temperature is stablized, and meets high temperature operating conditions needs, and energy-saving effect is remarkable, wide market.
Above-described embodiment, the just one of the utility model more preferably detailed description of the invention, the usual change that those skilled in the art carries out within the scope of technical solutions of the utility model and replacing all should be included in protection domain of the present utility model.
Claims (4)
1. a porous cross structure insulating fire brick, described refractory brick is rectangular structure, it is characterized in that, a trouble free service face (6) is provided with in the middle of described rectangular structure, side, described trouble free service face is solid section (1), opposite side is structure division (2), described structure division (2) comprises two or more insulation holes (3), described insulation hole (3) is breakthrough status or incomplete breakthrough status, described insulation hole (3) interior filling with insulation material or not filling with insulation material.
2. refractory brick according to claim 1, it is characterized in that, described insulation hole (3) is the one in circle, square, rectangle or ellipse, the internal diameter of described insulation hole (3) be 10 ?50mm, the minimum range on described insulation hole (3) side and described refractory brick border be 10 ?50mm, the insulation hole (3) of described incomplete breakthrough status has an opening, the insulation hole (3) of described incomplete breakthrough status in contrast to the bottom surface of described opening apart from the distance of refractory brick side be 5 ?20mm.
3. refractory brick according to claim 1, it is characterized in that, described solid section (1) is identical with described structure division (2) width, described solid section (1) is working end (4) in contrast to described trouble free service face (6) one end, and described structure division (2) is non-operative end (5) in contrast to one end, described trouble free service face.
4. refractory brick according to claim 1, is characterized in that, described insulation hole (3) is arranged in parallel or be staggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520334891.4U CN204730651U (en) | 2015-05-21 | 2015-05-21 | A kind of porous cross structure insulating fire brick |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520334891.4U CN204730651U (en) | 2015-05-21 | 2015-05-21 | A kind of porous cross structure insulating fire brick |
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| CN204730651U true CN204730651U (en) | 2015-10-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276990A (en) * | 2015-11-20 | 2016-01-27 | 怀宁县凉亭建材有限责任公司 | Novel refractory brick |
| CN110207495A (en) * | 2019-05-15 | 2019-09-06 | 方端霞 | A kind of rotary kiln refractory brick |
-
2015
- 2015-05-21 CN CN201520334891.4U patent/CN204730651U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276990A (en) * | 2015-11-20 | 2016-01-27 | 怀宁县凉亭建材有限责任公司 | Novel refractory brick |
| CN110207495A (en) * | 2019-05-15 | 2019-09-06 | 方端霞 | A kind of rotary kiln refractory brick |
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