CN111575026A - Novel heat insulation structure of coke oven foundation roof - Google Patents
Novel heat insulation structure of coke oven foundation roof Download PDFInfo
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- CN111575026A CN111575026A CN202010495662.6A CN202010495662A CN111575026A CN 111575026 A CN111575026 A CN 111575026A CN 202010495662 A CN202010495662 A CN 202010495662A CN 111575026 A CN111575026 A CN 111575026A
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- coke oven
- layer
- foundation
- heat insulation
- top plate
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B29/00—Other details of coke ovens
- C10B29/02—Brickwork, e.g. casings, linings, walls
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention relates to a novel heat insulation structure of a coke oven foundation roof, which comprises an integral casting material layer, a transverse preformed hole and a longitudinal preformed hole; the two sides of the foundation top plate are provided with the edge beams, and the top surface of each edge beam is higher than that of the foundation top plate, so that the top of the foundation top plate forms a groove structure; the integral casting material layer is arranged in the groove structure; the integral casting material layer is provided with at least one layer of transverse preformed holes and at least one layer of longitudinal preformed holes, and the transverse preformed holes and the longitudinal preformed holes are formed by a plurality of preformed holes which are arranged in parallel. The invention adopts a refractory castable layer to replace the traditional refractory brick masonry structure, and forms a protective layer on the basic roof of the coke oven in a pouring mode; in the pouring process, holes are reserved through pre-buried plastic pipes, and the hole structures which are arranged vertically and horizontally can play a good heat insulation role, so that the temperature of the concrete of the foundation top plate is reduced, and the service life of the concrete is prolonged; meanwhile, the temperature of the underground chamber of the coke oven is reduced, and the operating condition of the coke oven is improved.
Description
Technical Field
The invention relates to the technical field of coke oven masonry, in particular to a novel heat insulation structure of a coke oven foundation roof.
Background
The modern coke oven is composed of a regenerator, a chute, a combustion chamber and an oven top from bottom to top. The coke oven body is built by refractory bricks and is built on a coke oven foundation top plate poured by concrete. In the coking process of the coke oven, the charging coal is heated to about 1000 ℃ in a coking chamber to be coked, the heat required by heating is provided by the combustion of coal gas in a combustion chamber, and the heated waste gas is pumped out of the coke oven. In the process that waste gas enters a chimney through a heat storage chamber, a small flue and a flue, although the temperature of the waste gas is gradually reduced, a large amount of heat can be transferred to concrete structures such as a foundation top plate, a flue wall body and the like and the surrounding environment, so that energy is wasted, the structures of the concrete structures are damaged, and the service life of the structures is shortened.
In the conventional coke oven construction, as shown in fig. 1 and 2, before the coke oven 1 is built on the base roof 2, 2 to 3 layers of brickworks made of refractory bricks such as floating bead bricks 5, insulating bricks 6 and clay bricks 7 are generally laid on the top surface of the base roof 2, and these brickworks serve to support the weight of the entire coke oven 1 on the upper side and to protect the base roof 2 from being damaged by overheating. In the process of building the refractory bricks, masonry workers need to adopt fire clay to build the refractory bricks, and the operation is complicated, time-consuming and labor-consuming; and the price of the refractory bricks is relatively high, and the cost performance is not high. In addition, because the bricklaying structure has very high requirement to the concrete elevation of basic roof top surface, if concrete surface unevenness, need polish to the concrete face and make level or process to resistant firebrick and polish.
Disclosure of Invention
The invention provides a novel heat insulation structure of a coke oven foundation roof, which adopts a refractory castable layer to replace the traditional refractory brick masonry structure and forms a protective layer on the coke oven foundation roof in a pouring mode; in the pouring process, holes are reserved through pre-buried plastic pipes, and the hole structures which are arranged vertically and horizontally can play a good heat insulation role, so that the temperature of the concrete of the foundation top plate is reduced, and the service life of the concrete is prolonged; meanwhile, the temperature of the underground chamber of the coke oven is reduced, and the operating condition of the coke oven is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a novel heat insulation structure of a coke oven foundation roof comprises an integral casting material layer, a transverse preformed hole and a longitudinal preformed hole; the two sides of the foundation top plate are provided with the edge beams, and the top surface of each edge beam is higher than that of the foundation top plate, so that the top of the foundation top plate forms a groove structure; the integral casting material layer is arranged in the groove structure; the integral casting material layer is provided with at least one layer of transverse preformed holes and at least one layer of longitudinal preformed holes, and the transverse preformed holes and the longitudinal preformed holes are formed by a plurality of preformed holes which are arranged in parallel.
The transverse preformed hole and the longitudinal preformed hole are both formed by plastic pipes pre-buried in the integral castable layer.
The diameters of the transverse preformed hole and the longitudinal preformed hole are
And a leveling layer is arranged on the top surface of the integral casting material layer.
The longitudinal preformed hole is arranged along the longitudinal through length of the foundation top plate, and the transverse preformed hole is arranged along the transverse through length of the foundation top plate.
Compared with the prior art, the invention has the beneficial effects that:
1) the heat insulation protective layer on the top of the foundation top plate is integrally cast by using the refractory castable, and the refractory castable which is easy to construct in a cold state, high in hot strength and good in heat insulation performance can be adopted during specific construction; the integral casting material layer has simple structure, good heat insulation and high thermal state strength, can reduce the temperature of the foundation top plate, prolong the service life of the foundation top plate and save investment;
2) by adopting the pouring construction method, the construction is convenient and quick, the labor can be saved, and the construction efficiency is improved;
3) the reserved hole structure is arranged in the integral casting material layer, so that the temperature of the concrete of the foundation top plate can be reduced, and the service life of the concrete can be prolonged; simultaneously, the temperature of the underground chamber of the coke oven is reduced, and the operating condition of the coke oven is improved;
4) the requirement on the concrete elevation at the top of the foundation top plate is reduced, and the construction is simpler and more convenient.
Drawings
FIG. 1 is a front view of a coke oven basic roof insulation structure in the conventional art.
Fig. 2 is a view a-a in fig. 1.
FIG. 3 is a front view of the novel heat insulation structure of the coke oven basic roof.
Fig. 4 is a view B-B in fig. 3.
Fig. 5 is a view C-C in fig. 3.
In the figure: 1. coke oven 2, foundation top plate 3, edge beam 4, integral castable layer 5, floating bead brick 6, insulating brick 7, clay brick 8, transverse preformed hole 9, longitudinal preformed hole 10, resisting wall
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 3-5, the novel heat insulation structure for the coke oven foundation roof comprises an integral castable layer 4, a transverse preformed hole 8 and a longitudinal preformed hole 9; the two sides of the foundation top plate 2 are provided with the edge beams 3, and the top surface of the edge beam 3 is higher than that of the foundation top plate 2, so that the top of the foundation top plate 2 forms a groove structure; the integral casting material layer 4 is arranged in the groove structure; the integral casting material layer 4 is provided with at least one layer of transverse preformed holes 8 and at least one layer of longitudinal preformed holes 9, and the transverse preformed holes 8 and the longitudinal preformed holes 9 are formed by a plurality of preformed holes which are arranged in parallel.
The transverse preformed hole 8 and the longitudinal preformed hole 9 are both formed by plastic pipes pre-embedded in the integral castable layer 4.
The diameters of the transverse preformed hole 8 and the longitudinal preformed hole 9 are
And a leveling layer is arranged on the top surface of the integral casting material layer 4.
The longitudinal preformed hole 9 is arranged along the longitudinal through length of the foundation top plate 2, and the transverse preformed hole 8 is arranged along the transverse through length of the foundation top plate 2.
As shown in fig. 3 to 5, the coke oven 1 is laid on a base roof 2, and the base roof 2 is cast with concrete. The two sides of the foundation roof 2 corresponding to the machine side and the coke side of the coke oven 1 are respectively provided with an edge beam 3, and the outer sides of the two ends of the foundation roof 2 are respectively provided with a resisting wall 9. The heat insulation structure at the top of the foundation top plate 2 is characterized in that a refractory brick heat insulation layer built by floating bead bricks 5, heat insulation bricks 6 and clay bricks 7 is arranged on the inner side of the boundary beam 3 according to a conventional construction mode so as to prevent the foundation top plate 2 from being damaged by overheating. The refractory brick heat insulation layer is built by refractory mortar, which wastes time and labor and has low economy. And the firebrick is built the time and is required highly to the bottom roughness, if the concrete surface unevenness at 2 tops of basic roof, still need to polish the concrete surface and make level, or polish to resistant firebrick processing, just later allow to build first layer floating bead brick 5.
The novel heat insulation structure of the coke oven foundation roof, provided by the invention, adopts the integral castable layer 4 poured by the refractory castable with heat insulation and heat preservation effects to replace a refractory brick heat insulation layer built by traditional refractory bricks, before the coke oven 1 is formally built, firstly the pouring of the heat-resistant castable is carried out on the foundation roof 2 at the inner side of the boundary beam 3, and then the top surface of the foundation roof is leveled by plastering, so that the top surface meets the tolerance requirement of the coke oven building.
In the pouring process of the integral castable layer 4, plastic pipes are respectively embedded at equal intervals along the longitudinal direction and the transverse direction of the coke oven 1, and the longitudinally embedded plastic pipes and the transversely embedded plastic pipes are embedded in two layers in the height direction. The first layer of plastic pipe is embedded and temporarily fixed, then pouring is carried out, and then the plastic pipe on the upper layer is embedded after the height of the pouring material layer exceeds that of the first layer of plastic pipe along with the pouring.
The plastic pipe embedded in the integral casting material injection layer 4 forms a structure with a plurality of through long holes, and the holes are communicated with the outside atmosphere in the production process of the coke oven, and achieve the heat insulation effect through continuous air circulation, thereby effectively reducing the temperature of the concrete of the foundation roof and prolonging the service life of the concrete; meanwhile, the temperature of the underground chamber of the coke oven is reduced, and the operating condition of the coke oven is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A novel heat insulation structure of a coke oven foundation roof is characterized by comprising an integral casting material layer, a transverse preformed hole and a longitudinal preformed hole; the two sides of the foundation top plate are provided with the edge beams, and the top surface of each edge beam is higher than that of the foundation top plate, so that the top of the foundation top plate forms a groove structure; the integral casting material layer is arranged in the groove structure; the integral casting material layer is provided with at least one layer of transverse preformed holes and at least one layer of longitudinal preformed holes, and the transverse preformed holes and the longitudinal preformed holes are formed by a plurality of preformed holes which are arranged in parallel.
2. The novel heat insulation structure of the coke oven foundation roof as claimed in claim 1, wherein the horizontal preformed hole and the vertical preformed hole are both formed by plastic pipes pre-embedded in an integral castable layer.
3. The novel heat insulation structure of the coke oven foundation roof as claimed in claim 1 or 2, wherein the diameter of the transverse preformed hole and the diameter of the longitudinal preformed hole are respectively
4. The novel heat insulation structure of the coke oven foundation roof as claimed in claim 1, wherein the top surface of the integral castable layer is provided with a leveling layer.
5. The novel heat insulation structure of the coke oven basic roof as claimed in claim 1 or 2, wherein the longitudinal preformed hole is arranged along the longitudinal through length of the basic roof, and the transverse preformed hole is arranged along the transverse through length of the basic roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010495662.6A CN111575026A (en) | 2020-06-03 | 2020-06-03 | Novel heat insulation structure of coke oven foundation roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010495662.6A CN111575026A (en) | 2020-06-03 | 2020-06-03 | Novel heat insulation structure of coke oven foundation roof |
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| Publication Number | Publication Date |
|---|---|
| CN111575026A true CN111575026A (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010495662.6A Pending CN111575026A (en) | 2020-06-03 | 2020-06-03 | Novel heat insulation structure of coke oven foundation roof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115093860A (en) * | 2022-07-05 | 2022-09-23 | 鞍山华泰环能工程技术有限公司 | Coke oven foundation protection device and coke oven |
-
2020
- 2020-06-03 CN CN202010495662.6A patent/CN111575026A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115093860A (en) * | 2022-07-05 | 2022-09-23 | 鞍山华泰环能工程技术有限公司 | Coke oven foundation protection device and coke oven |
| CN115093860B (en) * | 2022-07-05 | 2023-09-15 | 鞍山华泰环能工程技术有限公司 | Coke oven foundation protection device and coke oven |
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