CN216738189U

CN216738189U - Novel efficient and energy-saving ascending pipe base

Info

Publication number: CN216738189U
Application number: CN202220138581.5U
Authority: CN
Inventors: 孟晓东; 丁毅; 汪琴; 黄晓锋; 沈华军
Original assignee: Jiangsu Longye Energy Saving Technology Co ltd
Current assignee: Jiangsu Longye Energy Saving Technology Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-06-14
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a novel energy-efficient tedge base, include base body and install in the base flange of this end of body of base, base body includes the base lateral wall, the base lateral wall includes the cast iron mould, the cast iron mould includes cylinder cast iron mould layer, the both ends on cast iron mould layer are provided with the tip ring, the tip ring with base flange fixed connection, the inboard of cast iron mould layer and tip ring is provided with the corundum mullite and pours the layer, the corundum mullite pour the layer with be provided with the tortoise shell net between the cast iron mould layer. The utility model has reasonable structural design, the crude gas is not easy to escape from the riser base, the corrosion of the corrosive gas of the crude gas can be slowed down, the ash slagging problem can be effectively solved, and the service life of the iron casting of the riser base body is prolonged; the riser base has strong heat insulation capability and is not easy to corrode.

Description

Novel efficient and energy-saving ascending pipe base

Technical Field

The utility model belongs to the technical field of coke oven production, concretely relates to tedge base, in particular to novel energy-efficient tedge base.

Background

The common equipment in the production process of the ascending pipe coke oven is characterized in that the ascending pipe is provided with a base, and the base of the ascending pipe is composed of a base flange 1 and a side wall of the ascending pipe. However, the side wall of the existing riser base is generally made of refractory bricks (or insulating bricks) and trapezoidal cast iron. Because the riser base is contacted with the crude gas with the temperature of 650-850 ℃ escaping from the carbonization chamber for a long time, the crude gas easily escapes from the brick joints after long-time operation, corrodes the riser iron casting, causes the damage of the iron casting, causes the smoke and the fire or the crude gas to escape, and influences the normal production of the coke oven.

Therefore, the main problems of the existing riser iron castings are that firstly, the refractory bricks are easy to corrode, the surface carbonization is serious, and the heat insulation and strength performance are reduced; secondly, the raw gas is easy to escape from gaps or cracks of the firebrick masonry fire clay to corrode iron castings, so that the service life of the firebrick masonry fire clay is shortened, and the firebrick masonry fire clay can smoke and run out in severe cases.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that exists among the prior art, the utility model provides a novel energy-efficient tedge base.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a novel energy-efficient tedge base, includes base body and installs in the base flange of this end of body of base, base body includes the base lateral wall, the base lateral wall includes the cast iron mould, the cast iron mould includes cylinder cast iron mould layer, the both ends on cast iron mould layer are provided with the tip ring, the tip ring with base flange fixed connection, the inboard of cast iron mould layer and tip ring is provided with the corundum mullite and pours the layer, the corundum mullite pour the layer with be provided with the tortoise shell net between the cast iron mould layer.

Furthermore, a channel for circulating the raw coke oven gas is enclosed by the side wall of the base, one end of the channel is in butt joint with the base flange, and the side wall of the base is abutted against the base flange.

Furthermore, one end of the riser base, the inner end face of the end ring of the cast iron mold layer and the inner end face of the base flange are flush, the corundum mullite pouring layer covers the inner end face of the end ring of the cast iron mold layer and the inner end face of the base flange, and the corundum mullite pouring layer covers the inner end face of the end ring of the cast iron mold layer at the other end of the riser base.

Furthermore, the side wall of the base also comprises a nano heat insulation layer, and the nano heat insulation layer covers the inner surface of the corundum-mullite pouring layer.

Further, the base side wall further comprises a stainless steel outer shell layer, and the stainless steel outer shell layer is arranged on the periphery of the cast iron mold layer.

Furthermore, the base side wall also comprises a heat-insulating layer, and the heat-insulating layer is filled between the cast iron mould layer and the stainless steel outer shell layer.

Further, the thickness of the base side wall is smaller than the radial width of the base flange.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has reasonable structural design of the riser base, the crude gas is not easy to escape from the riser base, the corrosion of the corrosive gas of the crude gas can be slowed down, the ash slagging problem can be effectively solved, and the service life of the iron casting of the riser base body is prolonged; the riser base has strong heat insulation capability and is not easy to corrode.

Drawings

FIG. 1 is a schematic view of the construction of a riser base according to the prior art;

fig. 2 is a schematic structural view of the riser base of the present invention.

The labels in the figure are: 1-a base flange; 2-trapezoidal cast iron; 3-refractory bricks; 4-stainless steel outer shell layer; 5-insulating layer; 6-cast iron mold; 7-tortoise shell net; 8-corundum-mullite pouring layer; 9-nanometer thermal insulating layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment provides a novel energy-efficient tedge base, and mainly used solves current tedge base and easily corrodes, and the charcoal slagging is serious on the surface, leads to thermal-insulated and the problem that the strength properties descends to and escape in gap or the crackle because of the raw coke oven gas builds fire clay from resistant firebrick, and corrode the ironcasting, lead to its life-span to subtract the weak point, smoke the running fire problem when serious.

However, the existing riser base structure is shown in fig. 1, and the riser base includes a base body and a base flange 1, the base body is a cylindrical structure formed by enclosing a base side wall, and forms a channel for raw coke oven gas to circulate, the base flange 1 is installed at one end of the base body, and the inner end of the base side wall of the base body is installed in butt joint with a flange hole of the base flange 1, so that the flange hole of the base flange 1 is communicated with the channel of the base body. However, as shown in FIG. 1, the foundation side wall is composed of refractory bricks 3 and trapezoidal cast iron 2. Because the temperature of the raw gas escaping from the coking chamber is high, the riser base is contacted with the high-temperature raw gas for a long time, the raw gas is easy to escape from the brick joints after long-time operation, and corrodes the riser iron casting to cause damage of the iron casting, thus causing smoke and fire or the raw gas to escape and influencing the normal production of the coke oven.

The structure of the novel efficient energy-saving ascending pipe base of the embodiment is shown in fig. 2, and comprises a base body and a base flange 1, wherein the base flange 1 is installed at the end part of the base body. The thickness of the base side wall is preferably less than the radial width of the base flange 1.

The base body comprises a base side wall, and a cast iron mold 6 is arranged in the base side wall. The cast iron mold 6 has a structure as shown in fig. 2, and has a cylindrical cast iron mold layer covering the outside of the raw gas flow passage. The end rings are fixed at two ends of the cast iron mold layer, and in the embodiment, the cast iron mold layer and the end rings are preferably of an integrally formed structure. The outer edge of the end part circular ring is fixed with the end part of the cast iron mould layer, and the inner edge extends inwards along the radial direction, namely the end part circular ring is positioned within the circumference of the cast iron mould layer. The side sectional structure of the cast iron mold 6 is a C-shape as shown in fig. 2.

In this embodiment, at one end of the riser base, the inner end surface of the end ring of the cast iron mold layer is flush with the inner end surface of the base flange 1, and at the other end of the riser base, the corundum-mullite pouring layer covers the inner end surface of the end ring of the cast iron mold layer.

Specifically, corundum-mullite is poured on the inner side of the cast iron mold 6 to form a corundum-mullite pouring layer 8. The corundum-mullite is filled in the C-shaped groove of the cast iron mould 6 and a thin layer is continuously poured inwards in the radial direction, namely the corundum-mullite pouring layer 8 overflows towards two sides at two ends and covers the inner side of the end ring of the cast iron mould layer and the end face of the flange hole of the base flange 1, namely the corundum-mullite pouring layer covers the inner end face of the end ring of the cast iron mould layer and the inner end face of the base flange. The inner side surface of the corundum-mullite pouring layer 8 forms a channel for raw coke oven gas to flow through. Further preferably, the inner surface of the corundum-mullite pouring layer 8 can be covered with a nano heat insulation layer 9; a tortoise shell net 7 can be arranged between the corundum-mullite pouring layer 8 and the cast iron mould layer.

In this embodiment, the base sidewall may further include a stainless steel shell layer 4, and the stainless steel shell layer 4 is disposed on the periphery of the cast iron mold layer. Further preferably, a gap is formed between the stainless steel outer shell layer 4 and the cast iron mold layer, and the heat insulating material is filled in the gap to form the heat insulating layer 5.

In conclusion, the novel efficient energy-saving ascending pipe base is reasonable in structural design, the raw gas is not easy to escape from the ascending pipe base, the corrosion of the corrosive gas of the raw gas can be reduced, the ash slagging problem can be effectively solved, and the service life of iron castings of a body of the ascending pipe base is prolonged; the riser base has strong heat insulation capability and is not easy to corrode.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel energy-efficient tedge base, includes base body and installs in the base flange of this end of body of base, base body includes the base lateral wall, its characterized in that, the base lateral wall includes the cast iron mould, the cast iron mould includes cylinder cast iron mould layer, the both ends on cast iron mould layer are provided with the tip ring, the tip ring with base flange fixed connection, the inboard of cast iron mould layer and tip ring is provided with the corundum mullite and pours the layer, the corundum mullite pour the layer with be provided with the tortoise shell net between the cast iron mould layer.

2. The novel efficient and energy-saving ascending pipe base according to claim 1, wherein a channel for raw gas circulation is defined by the side wall of the base, one end of the channel is butted with the base flange, and the side wall of the base is butted with the base flange.

3. The novel efficient and energy-saving ascending pipe base according to claim 2, wherein at one end of the ascending pipe base, the inner end surface of the end ring of the cast iron mold layer is flush with the inner end surface of the base flange, the corundum mullite pouring layer covers the inner end surfaces of the end ring of the cast iron mold layer and the base flange, and at the other end of the ascending pipe base, the mullite pouring layer covers the inner end surface of the end ring of the cast iron mold layer.

4. The novel efficient energy-saving ascending pipe base according to claim 1, wherein the side wall of the base further comprises a nano thermal insulation layer, and the nano thermal insulation layer covers the inner surface of the corundum-mullite pouring layer.

5. The novel efficient and energy-saving riser base as claimed in any one of claims 1 to 4, wherein the base side wall further comprises a stainless steel outer shell layer, and the stainless steel outer shell layer is disposed on the periphery of the cast iron mold layer.

6. The novel efficient and energy-saving ascending pipe base according to claim 5, wherein the base side wall further comprises an insulating layer, and the insulating layer is filled between the cast iron mold layer and the stainless steel outer shell layer.

7. The new high efficiency and energy saving riser base as claimed in claim 1, wherein the thickness of the base sidewall is less than the radial width of the base flange.