CN221259508U - Masonry structure of low-density roasting furnace flame path wall - Google Patents
Masonry structure of low-density roasting furnace flame path wallInfo
- Publication number
- CN221259508U CN221259508U CN202322108868.0U CN202322108868U CN221259508U CN 221259508 U CN221259508 U CN 221259508U CN 202322108868 U CN202322108868 U CN 202322108868U CN 221259508 U CN221259508 U CN 221259508U
- Authority
- CN
- China
- Prior art keywords
- flame path
- wall
- fire
- heat
- path wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004321 preservation Methods 0.000 claims abstract description 30
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 21
- 239000011449 brick Substances 0.000 claims description 42
- 238000009413 insulation Methods 0.000 claims description 26
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910052593 corundum Inorganic materials 0.000 claims description 5
- 239000004927 clay Substances 0.000 claims description 4
- 239000010431 corundum Substances 0.000 claims description 3
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052863 mullite Inorganic materials 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 12
- 229910052799 carbon Inorganic materials 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Abstract
The utility model provides a masonry structure of a flame path wall of a low-density roasting furnace, which belongs to the technical field of carbon roasting furnace design and comprises a plurality of middle flame path walls, wherein side flame path walls are arranged on the outer sides of the plurality of middle flame path walls, a first heat preservation layer and a second heat preservation layer are arranged on the outer side walls of the side flame path walls, and a foundation wall is built outside the first heat preservation layer and the second heat preservation layer; the side fire wall comprises a heat-insulating wall body, a fire-resistant wall body and fire-mouth fire-resistant precast slabs, wherein the heat-insulating wall body is parallel to the fire-resistant wall body, and the fire-mouth fire-resistant precast slabs are arranged at the upper ends of the heat-insulating wall body and the fire-resistant wall body.
Description
Technical Field
The utility model relates to the technical field of carbon roasting furnace design, in particular to a low-density roasting furnace flame path wall brick and a masonry structure.
Background
The carbon roasting furnace is a thermal kiln for firing anode carbon blocks for aluminum electrolytic cells, the main heat source of the carbon roasting furnace is natural gas, but the fuel gas consumption of the current domestic carbon roasting furnace production is generally 65-75M/ton, and under the policy requirement of controlling the carbon emission, the reduction of the production energy consumption of the roasting furnace and the improvement of the heat efficiency become the key for reducing the carbon production cost.
The side flame path wall of the carbon roasting furnace in the prior art is built by heavy refractory bricks, and the heat conductivity of the used refractory bricks is high, so that the heat loss rate of the side flame path wall is higher than that of the middle flame path wall, the heat energy in the middle flame path wall is transferred to the outer wall, the temperature of the side flame path wall is overhigh, the energy loss is extremely high in the using process, the negative pressure and the fuel consumption in the side flame path wall are higher than those of the middle flame path, the stable synchronous operation of the whole furnace chamber is influenced, the production energy consumption is high, and the control of carbon emission indexes is influenced.
Disclosure of utility model
In view of the above, the utility model provides a low-density roasting furnace flame path wall brick and a masonry structure, which can reduce the negative pressure and fuel consumption of the side flame path wall, and reduce the consumption cost and the carbon emission index.
In order to solve the technical problems, the utility model provides a masonry structure of a flame path wall of a low-density roasting furnace, which comprises a plurality of middle flame path walls, wherein side flame path walls are arranged on the outer sides of the plurality of middle flame path walls, a first heat preservation layer and a second heat preservation layer are arranged on the outer side walls of the side flame path walls, and a foundation wall is built outside the first heat preservation layer and the second heat preservation layer;
The side fire wall comprises a heat-insulating wall body, a fire-resistant wall body and a fire-mouth fire-resistant precast slab, wherein the heat-insulating wall body is parallel to the fire-resistant wall body, and the fire-mouth fire-resistant precast slab is arranged at the upper ends of the heat-insulating wall body and the fire-resistant wall body.
According to the utility model, the side flame path wall is arranged at the outermost side of the middle flame path wall, the heat of the side flame path wall is retained by utilizing the heat insulation performance of the side flame path wall, so that the heat of the side flame path wall is not easy to run off, the heat energy transfer between the side flame path wall and the middle flame path wall is balanced, the heat energy of the middle flame path wall is reduced to flow to the side flame path wall, the side flame path wall is further not required to be heated to a higher temperature, the negative pressure is increased to maintain the stability of the whole furnace chamber, the energy loss is reduced, and the production energy consumption is reduced.
Furthermore, in order to isolate heat from the side fire wall and ensure that heat is not lost, the heat-insulating wall is built by fire wall bricks.
Further, in order to further insulate heat and insulate heat of the side fire wall, heat loss is reduced, the first heat-insulating layer is formed by building high-strength high-aluminum heat-insulating bricks, and the second heat-insulating layer is formed by building high-strength clay heat-insulating bricks.
Further, in order to meet the requirements of heat preservation, sound insulation and high strength, the first heat preservation layer is located on the outer side wall of the side fire channel wall, the second heat preservation layer is located on the outer side wall of the first heat preservation layer, and the foundation wall is located on the outer side wall of the second heat preservation layer.
Another object of the present utility model is to provide a low density firing furnace flue wall brick, wherein the flue wall brick is a cuboid, and a pair of opposite outer surfaces of the flue wall brick are provided with a convex groove and a concave groove.
The side fire wall of the utility model uses fire wall bricks for heat insulation, while the heat-resistant wall is built by heavy refractory bricks, and the middle fire wall is built by heavy refractory bricks.
Further, in order to facilitate the construction of the flame path wall and enhance the stability of the flame path wall, the direction of the convex groove is parallel to the long edge of the flame path wall brick, the direction of the concave groove is the same as that of the convex groove, and the concave groove is matched with the convex groove.
Furthermore, the flame path wall brick is made of light mullite or corundum aluminum oxide.
In summary, compared with the prior art, the application has at least one of the following beneficial technical effects:
1. According to the utility model, the side flame path wall is arranged at the outermost side of the middle flame path wall, the heat of the side flame path wall is retained by utilizing the heat insulation performance of the side flame path wall, so that the heat of the side flame path wall is not easy to run off, the heat energy transfer between the side flame path wall and the middle flame path wall is balanced, the heat energy of the middle flame path wall is reduced to flow to the side flame path wall, the side flame path wall is further not required to be heated to a higher temperature, the negative pressure is increased to maintain the stability of the whole furnace chamber, the energy loss is reduced, and the production energy consumption is reduced.
2. The defects that the refractory bricks used in the prior art are high in heat conductivity and not ideal in heat preservation, heat energy in a flame path wall is transferred to an outer wall, the temperature of a side wall is too high, heat loss is large, energy conservation and consumption reduction are not facilitated, and the stable and synchronous operation of the whole furnace chamber of a carbon roasting furnace is affected are overcome. The problem that the heat energy of refractory bricks used for the side flame path wall of the roasting furnace is transferred to the outer wall too high is solved, and the purposes of greatly reducing fuel consumption, improving product quality, saving cost and reducing atmospheric pollution are achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic diagram of the structure of the present utility model;
Fig. 4 is a schematic structural view of the present utility model.
Reference numerals:
100. A middle flame path wall; 200. side fire path walls; 210. a first heat-retaining layer; 220. a second heat-insulating layer; 230. a foundation wall; 240. a heat insulating wall; 250. a refractory wall; 260. fire-resistant precast slab; 300. flame path wall bricks; 310. a convex groove; 320. a groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the utility model, fall within the scope of protection of the utility model.
1-4, A low-density roasting furnace flame path wall masonry structure comprises a plurality of intermediate flame path walls 100, wherein side flame path walls 200 are arranged on the outer sides of the plurality of intermediate flame path walls 100, a first heat preservation layer 210 and a second heat preservation layer 220 are arranged on the outer side walls of the side flame path walls 200, and a foundation wall 230 is built outside the first heat preservation layer 210 and the second heat preservation layer 220;
The side fire wall 200 comprises a heat insulation wall body 240, a fire-resistant wall body 250 and a fire-mouth fire-resistant precast slab 260, wherein the heat insulation wall body 240 is parallel to the fire-resistant wall body 250, and the fire-mouth fire-resistant precast slab 260 is arranged at the upper ends of the heat insulation wall body 240 and the fire-resistant wall body 250.
According to the utility model, the side flame path wall 200 is arranged at the outermost side of the middle flame path wall 100, the heat of the side flame path wall 200 is retained by utilizing the heat insulation performance of the side flame path wall 200, so that the heat of the side flame path wall 200 is not easy to run off, the heat energy transfer between the side flame path wall 200 and the middle flame path wall 100 is balanced, the heat energy of the middle flame path wall 100 is reduced and flows to the side flame path wall 200, the side flame path wall 200 is further not required to be heated to a higher temperature and the negative pressure is increased to maintain the stability of the whole furnace chamber, the energy loss is reduced, and the production energy consumption is reduced.
As one embodiment of the present utility model, as shown in fig. 2, in order to isolate heat from the side fire wall 200 and ensure that heat is not lost, the heat insulation wall 240 is constructed by fire wall bricks 300, and the fire wall bricks 300 are constructed from the ground upwards, and each fire wall brick 300 can be constructed to fit with an adjacent fire wall brick 300.
As a supplementary explanation of the previous embodiment of the present utility model, as shown in fig. 2, the further heat preservation and insulation of the side fire wall 200 is achieved, the heat loss is reduced, the first heat preservation layer 210 is built by using high-strength high-aluminum heat preservation bricks, the high-strength high-aluminum heat preservation bricks are built from the ground upwards, the effect of preliminary heat transfer isolation is achieved, the second heat preservation layer 220 is built by using high-strength clay heat preservation bricks, the side fire wall 200 is built from the ground upwards, and the volume density of the high-strength high-aluminum heat preservation bricks is 1.0g/cm3 between the side fire wall 200 and the concrete foundation wall 230, and the Al2O3 is more than 50%; the high-strength clay insulating brick with the volume density of 0.65g/cm < 3 > is built, and the Al2O3 is more than 35%;
In addition, the specification dimensions of the two insulating bricks were 230mm×114mm×65mm.
In the previous embodiment of the present utility model, the structure of the fire wall is mentioned, and in order to further improve the heat insulation effect, the requirements of heat insulation, sound insulation and high strength are met, as shown in fig. 2, the first heat insulation layer 210 is located on the outer side wall of the side fire wall 200, the second heat insulation layer 220 is located on the outer side wall of the first heat insulation layer 210, and the base wall 230 is located on the outer side wall of the second heat insulation layer 220.
As shown in fig. 3, another object of the present utility model is to provide a low-density roasting furnace flame path wall brick 300, specifically, the flame path wall brick 300 is a rectangular parallelepiped, a pair of opposite outer surfaces of the flame path wall brick 300 are provided with a convex groove 310 and a concave groove 320, one surface of the rectangular parallelepiped having the largest area is disposed upward, and then the convex groove 310 and the concave groove 320 are disposed on the upper surface and the lower surface.
For one embodiment of the present utility model, as shown in fig. 3, in order to facilitate the construction of the fire wall and enhance the stability of the fire wall, the direction of the groove 310 is parallel to the long side of the fire wall brick 300, i.e. the groove 310 is on the side of the cuboid fire wall brick 300 with the largest area and parallel to the longest side of the side, and the groove 310 is located at the middle of the two long sides, the direction of the groove 320 is the same as that of the groove 310, and the groove 320 is matched with the groove 310.
In the above embodiment of the present utility model, as shown in fig. 3, the flame path wall brick 300 is made of light mullite or corundum alumina, and the flame path wall built by using the material can prevent heat energy from being transferred by utilizing the function of low heat conduction of the air holes in the heat insulation refractory heat preservation brick, so as to play a role in preserving heat of the whole side flame path wall.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (7)
1. The masonry structure of the low-density roasting furnace flame path wall comprises a plurality of intermediate flame path walls (100), and is characterized in that side flame path walls (200) are arranged on the outer sides of the plurality of intermediate flame path walls (100), a first heat insulation layer (210) and a second heat insulation layer (220) are arranged on the outer side walls of the side flame path walls (200), and a foundation wall (230) is built outside the first heat insulation layer (210) and the second heat insulation layer (220);
The side flame path wall (200) comprises a heat insulation wall body (240), a fire-resistant wall body (250) and a fire-mouth fire-resistant precast slab (260), wherein the heat insulation wall body (240) and the fire-resistant wall body (250) are mutually parallel, and the fire-mouth fire-resistant precast slab (260) is arranged at the upper end part of the heat insulation wall body (240) and the fire-resistant wall body (250).
2. The masonry structure of the flame path wall of the low-density baking furnace according to claim 1, wherein: the heat insulation wall body (240) is built by flame path wall bricks (300).
3. The masonry structure of the flame path wall of the low-density baking furnace according to claim 1, wherein: the first heat-insulating layer (210) is formed by building high-strength high-aluminum heat-insulating bricks, and the second heat-insulating layer (220) is formed by building high-strength clay heat-insulating bricks.
4. The masonry structure of the flame path wall of the low-density baking furnace according to claim 1, wherein: the first heat preservation layer (210) is located on the outer side wall of the side fire wall (200), the second heat preservation layer (220) is located on the outer side wall of the first heat preservation layer (210), and the base wall body (230) is located on the outer side wall of the second heat preservation layer (220).
5. The masonry structure of the flame path wall of the low-density baking furnace according to claim 2, wherein: the flame path wall brick (300) is cuboid, and a pair of opposite outer surfaces of the flame path wall brick (300) are provided with a convex groove (310) and a concave groove (320).
6. The masonry structure of the flame path wall of the low-density baking furnace according to claim 5, wherein: the direction of the convex groove (310) is parallel to the long edge of the flame path wall brick (300), the direction of the concave groove (320) is the same as that of the convex groove (310), and the concave groove (320) is matched with the convex groove (310).
7. The masonry structure of the flame path wall of the low-density baking furnace according to claim 5, wherein: the flame path wall brick (300) is made of light mullite or corundum aluminum oxide.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221259508U true CN221259508U (en) | 2024-07-02 |
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| GR01 | Patent grant |