CN217323957U - Novel coke oven coal charging hole furnace cover and furnace ring structure - Google Patents
Novel coke oven coal charging hole furnace cover and furnace ring structure Download PDFInfo
- Publication number
- CN217323957U CN217323957U CN202221402079.7U CN202221402079U CN217323957U CN 217323957 U CN217323957 U CN 217323957U CN 202221402079 U CN202221402079 U CN 202221402079U CN 217323957 U CN217323957 U CN 217323957U
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- stainless steel
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- furnace
- resistant stainless
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- 239000000571 coke Substances 0.000 title claims abstract description 24
- 239000003245 coal Substances 0.000 title claims abstract description 20
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 74
- 239000010935 stainless steel Substances 0.000 claims abstract description 74
- 238000005266 casting Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 4
- 208000037656 Respiratory Sounds Diseases 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- 238000004321 preservation Methods 0.000 description 6
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- 239000011449 brick Substances 0.000 description 3
- 238000003763 carbonization Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model discloses a novel coke oven coal charging hole bell and stove circle structure, the device includes: the stainless steel furnace body comprises a stainless steel furnace cover body and a stainless steel furnace ring body; the stainless steel furnace cover body comprises: the casing is of a hollow structure, and a wrapping ring is arranged at the inner edge of the casing and used for fixing the casting body arranged in the casing; the plurality of tie bars are vertically arranged in the shell; the first inner ring body is arranged in the shell, the outer wall of the first inner ring body is fixedly connected with the lacing wire, and an opening and closing groove is formed in the first inner ring body; the stainless steel furnace ring body comprises: the heat-resistant stainless steel shell is of a hollow structure, and the inner edge of the heat-resistant stainless steel shell is also provided with a wrapping ring for fixing the casting body arranged in the heat-resistant stainless steel shell. The utility model discloses can solve current bell and stove circle structural stability poor, can drop behind the inside castable fracture and get into the furnace body to, overall structure can produce tiny crackle and develop great crack, the problem of damage of splitting at last under high temperature and cold and hot change temperature stress.
Description
Technical Field
The utility model relates to the technical field of coke ovens, in particular to a novel coke oven coal charging hole furnace cover and furnace ring structure.
Background
At present, the furnace cover and the furnace ring of the coal charging hole of the coke oven originally designed are cast and molded by vermicular cast iron, the upper surface and the circumference are completely enclosed and sealed by the vermicular cast iron, the lower bottom surface is an open structure, a refractory castable is poured inside, the furnace ring is circular, the middle part is hollow and is used for placing the furnace cover, and the furnace ring is fixed on a coal charging hole brick cup at the top area of the coke oven during daily use; the furnace cover is disc-shaped and is matched with the furnace ring to play a sealing role, the furnace cover needs to be opened and closed frequently in the production process of the coke oven, the furnace cover is in the temperature of the operating environment when being opened and is in the working condition of high temperature of 950 ℃ when being closed, the furnace cover is used for a long time, under the action of high-temperature and cold-hot changing temperature stress, the internal castable can gradually crack and fall off from the lower bottom surface opening, after the internal cavity falls off from the refractory castable, the vermicular graphite cast iron directly generates fine cracks and develops into larger cracks under the stress of high temperature of 950 ℃ and cold and hot change temperature, finally breaks and damages, has short service life, and after the castable in the furnace cover falls off, the heat in the carbonization chamber is quickly radiated from the surface of the furnace cover, so that the temperature of the top space in the carbonization chamber is low, the coke is not well matured, black smoke is often emitted in the coke pushing process, and the heat consumption for coking is large, which is a difficult problem of large-scale coke ovens for many years.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a novel coke oven coal charging hole furnace cover and furnace ring structure.
In order to achieve the above object, the technical solution of the present invention is specifically as follows:
a novel coke oven coal charging hole furnace cover and furnace ring structure comprises:
the stainless steel furnace body comprises a stainless steel furnace cover body and a stainless steel furnace ring body;
the stainless steel furnace cover body comprises:
the casing is of a hollow structure, and a wrapping ring is arranged at the inner edge of the casing and used for fixing the casting body arranged in the casing;
the plurality of tie bars are vertically arranged in the shell;
the first inner ring body is arranged in the shell, the outer wall of the first inner ring body is fixedly connected with the lacing wire, and an opening and closing groove is formed in the first inner ring body;
the stainless steel furnace ring body comprises:
the heat-resistant stainless steel shell is of a hollow structure, a wrapping ring is also arranged at the inner edge of the heat-resistant stainless steel shell and is used for fixing a casting body arranged in the heat-resistant stainless steel shell, and a mounting hole is formed in the center of the heat-resistant stainless steel shell and is used for mounting the stainless steel furnace cover body;
the second inner ring body is arranged inside the heat-resistant stainless steel shell;
and the heat-resistant stainless steel lacing wire is arranged in the heat-resistant stainless steel shell, and the second inner ring body is connected with the inner wall of the heat-resistant stainless steel shell to improve the structural strength.
The outer shell coincides with the geometric center of the first inner ring body.
The lacing wires are distributed in the shape of a Chinese character mi inside the shell.
The heat-resistant stainless steel lacing wires are distributed in a shape like a Chinese character 'mi' in the heat-resistant stainless steel shell.
The combined working surface of the stainless steel furnace cover body and the stainless steel furnace ring body adopts spherical grinding and sealing contact.
The top of the shell is provided with a first funnel for injecting the casting body into the shell, and the upper part of the heat-resistant stainless steel shell is annularly provided with four second funnels for injecting the casting body into the heat-resistant stainless steel shell.
The beneficial effects of the utility model are that: the utility model discloses a heat-resisting stainless steel material, replace vermicular graphite cast iron, improve bell and stove circle oxidation resistance and high temperature gas corrosion resistance, keep great high temperature strength, can work stably for a long time under the 950 ℃ high temperature environment of coke oven carbonization chamber, the pouring material that uses is special resistant rapid cooling rapid heating insulation material, along adopting the lacing wire in the structure, inside castable is difficult to drop, whole seamless surface is smooth, intensity is good, prevent that the inner chamber from pouring the material layering from droing, long service life, the heat dissipation obviously reduces, it is convenient to change the step, make coke oven coal charging hole bell and stove circle life prolong more than one time, reduced furnace roof district heat dissipation, coke cake upper surface temperature obtains improving, the coke cake maturity condition improves to some extent, the smoke problem of pushing away is alleviated to some extent.
Drawings
Fig. 1 is a schematic structural view of the stainless steel furnace cover body of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic structural view of the stainless steel furnace ring body of the present invention.
Fig. 4 is a side view of fig. 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 and 3, a novel coal charging hole furnace cover and ring structure of a coke oven comprises: the stainless steel furnace body comprises a stainless steel furnace cover body and a stainless steel furnace ring body; the stainless steel furnace cover body includes: the casing 2 is of a hollow structure, and a wrapping ring is arranged at the inner edge of the casing and used for fixing the casting body 1 arranged in the casing; the plurality of tie bars 3 are vertically arranged inside the shell 2; the first inner ring body 4 is arranged inside the shell 2, the outer wall of the first inner ring body is fixedly connected with the lacing wire 3, and an opening and closing groove 5 is formed inside the first inner ring body; the stainless steel furnace ring body comprises: the heat-resistant stainless steel shell 7 is of a hollow structure, a wrapping ring is also arranged at the inner edge of the heat-resistant stainless steel shell and is used for fixing the casting body 1 arranged in the heat-resistant stainless steel shell, and a mounting hole is formed in the center of the heat-resistant stainless steel shell and is used for mounting a stainless steel furnace cover body; the second inner ring body 8 is arranged inside the heat-resistant stainless steel shell 7; the heat-resistant stainless steel lacing wire 6 is arranged in the heat-resistant stainless steel shell 7, the inner walls of the second inner ring body 8 and the heat-resistant stainless steel shell 7 are connected with each other, the structural strength is improved, the geometric centers of the shell 2 and the first inner ring body 4 are overlapped, the lacing wire 3 is distributed in a shape like a Chinese character 'mi' inside the shell 2, the heat-resistant stainless steel lacing wire 6 is distributed in a shape like a Chinese character 'mi' inside the heat-resistant stainless steel shell 7, and the combined working face of the stainless steel furnace cover body and the stainless steel furnace ring body is in spherical grinding sealing contact.
As shown in fig. 2 and 4, the top of the casing 2 is provided with a first funnel 9 for injecting the casting 1 into the inside of the casing 2, and four second funnels 10 are annularly distributed on the part of the heat-resistant stainless steel case 7 for injecting the casting 1 into the inside of the heat-resistant stainless steel case 7.
The utility model adopts the special heat preservation pouring material when in use, has good heat preservation effect, good surface levelness, cold and hot temperature change resistance, high temperature strength, difficult damage and oxidation under temperature stress, can be completely attached to the furnace top area, the service life is prolonged by one time, the furnace cover and the furnace ring do not need to be frequently replaced, or the internal refractory pouring material is repaired, the related maintenance cost of the equipment is obviously reduced, the stainless steel furnace cover body and the stainless steel furnace ring body are firstly manufactured according to the size requirement, the heat preservation light pouring material is configured according to the special proportion, and is added with water for stirring for 30 minutes, the heat preservation light pouring material is respectively added into the cavities of the shell 2 and the heat-resistant stainless steel shell 7 through the first funnel 9 and the second funnel 10, is tamped and leveled according to the requirement during pouring, the heat preservation light pouring material is kept stand for 24 hours for health preservation, then is placed to the furnace top area for preheating, drying and dehydration, the strength is qualified after preheating for 36 hours, the use condition is achieved; and then the brick cup of the coal charging hole is dismantled, a new furnace ring is placed into the coal charging hole to ensure that the furnace ring and the coal charging hole are concentric, then the brick cup of the coal charging hole is built, and after the refractory pug is dried, a large furnace cover is placed.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (6)
1. The utility model provides a novel coke oven coal charging hole bell and stove circle structure which characterized in that includes:
the stainless steel furnace body comprises a stainless steel furnace cover body and a stainless steel furnace ring body;
the stainless steel furnace cover body comprises:
the casing (2) is of a hollow structure, and a wrapping ring is arranged at the inner edge of the casing and used for fixing the casting body (1) arranged in the casing;
the plurality of tie bars (3) are vertically arranged in the shell (2);
the first inner ring body (4) is arranged inside the shell (2), the outer wall of the first inner ring body is fixedly connected with the lacing wire (3), and an opening and closing groove (5) is formed inside the first inner ring body;
the stainless steel furnace ring body comprises:
the heat-resistant stainless steel shell (7) is of a hollow structure, a wrapping ring is also arranged at the inner edge of the heat-resistant stainless steel shell and is used for fixing the casting body (1) arranged in the heat-resistant stainless steel shell, and a mounting hole is formed in the center of the heat-resistant stainless steel shell and is used for mounting the stainless steel furnace cover body;
the second inner ring body (8) is arranged inside the heat-resistant stainless steel shell (7);
and the heat-resistant stainless steel lacing wire (6) is arranged in the heat-resistant stainless steel shell (7), and the second inner ring body (8) is connected with the inner wall of the heat-resistant stainless steel shell (7) to improve the structural strength.
2. The novel coke oven coal charging hole furnace cover and ring structure as claimed in claim 1, wherein: the geometric center of the outer shell (2) is coincided with that of the first inner ring body (4).
3. The novel coke oven coal charging hole furnace cover and ring structure as claimed in claim 1, wherein: the lacing wires (3) are distributed in a shape like a Chinese character 'mi' in the shell (2).
4. The novel coke oven coal charging hole furnace cover and ring structure as claimed in claim 1, wherein: the heat-resistant stainless steel lacing wires (6) are distributed in a shape like a Chinese character 'mi' in the heat-resistant stainless steel shell (7).
5. The novel coke oven coal charging hole furnace cover and ring structure as claimed in claim 1, wherein: the combined working surface of the stainless steel furnace cover body and the stainless steel furnace ring body adopts spherical grinding and sealing contact.
6. The novel coke oven coal charging hole furnace cover and ring structure as claimed in claim 1, wherein: the top of the shell (2) is provided with a first funnel (9) for injecting the casting body (1) into the shell (2), and four second funnels (10) are annularly distributed on the upper part of the heat-resistant stainless steel shell (7) and used for injecting the casting body (1) into the heat-resistant stainless steel shell (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221402079.7U CN217323957U (en) | 2022-06-07 | 2022-06-07 | Novel coke oven coal charging hole furnace cover and furnace ring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221402079.7U CN217323957U (en) | 2022-06-07 | 2022-06-07 | Novel coke oven coal charging hole furnace cover and furnace ring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217323957U true CN217323957U (en) | 2022-08-30 |
Family
ID=82987903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221402079.7U Expired - Fee Related CN217323957U (en) | 2022-06-07 | 2022-06-07 | Novel coke oven coal charging hole furnace cover and furnace ring structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217323957U (en) |
-
2022
- 2022-06-07 CN CN202221402079.7U patent/CN217323957U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220830 |
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| CF01 | Termination of patent right due to non-payment of annual fee |