CN215103359U - Blast furnace flange gas leakage timely processing device - Google Patents
Blast furnace flange gas leakage timely processing device Download PDFInfo
- Publication number
- CN215103359U CN215103359U CN202120992243.3U CN202120992243U CN215103359U CN 215103359 U CN215103359 U CN 215103359U CN 202120992243 U CN202120992243 U CN 202120992243U CN 215103359 U CN215103359 U CN 215103359U
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- Prior art keywords
- blast furnace
- fixed
- connecting strip
- gas leakage
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- 238000007789 sealing Methods 0.000 claims abstract description 46
- 238000005553 drilling Methods 0.000 claims abstract description 5
- 229920001875 Ebonite Polymers 0.000 claims description 2
- 239000003034 coal gas Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 239000007789 gas Substances 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002893 slag Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a blast furnace flange coal gas leakage in time processing apparatus, including the outer housing of bowl form, evenly be fixed with four screw thread posts on the outside of outer housing, threaded connection has the screw thread drilling rod in the screw thread post respectively, accomplishes the fixed of outer housing on the blast furnace shell through the screw thread drilling rod, has placed the gasbag in the semi-closed intracavity of outer housing, has seted up a plurality of inflation inlets on the gasbag, and the inflation inlet is fixed on the outer housing, and the connecting strip has been cup jointed to the open end in semi-closed chamber, and the outside at the gasbag is fixed on the top of connecting strip, and the bottom mounting of connecting strip has the sealing washer. The utility model discloses a when the gasbag expands, the gasbag drives the connecting strip and outwards removes, and the bottom mounting of connecting strip has the sealing washer, and the connecting strip and then promote the sealing washer to support in the blast furnace shell outside, continues to aerify in to the gasbag, can make the leakproofness of sealing washer better to can reach the sealed effect inside the housing of outer with the coal gas that flange department leaked.
Description
Technical Field
The utility model belongs to the technical field of blast furnace gas leakage processing apparatus, concretely relates to blast furnace flange gas leakage in time processing apparatus.
Background
The cross section of the blast furnace is a round iron-making shaft furnace, a steel plate is used as a furnace shell, and a refractory brick lining is built in the shell. The blast furnace body is divided into a furnace throat, a furnace body, a furnace waist, a furnace belly and a furnace hearth 5 from top to bottom. Because of the advantages of good economic index, simple process, large production capacity, high labor production efficiency, low energy consumption and the like of the blast furnace ironmaking technology, the iron produced by the method accounts for the vast majority of the total iron production in the world. In the production of a blast furnace, iron ore, coke, and a flux for slag formation are charged from the top of the furnace, and preheated air is blown into the furnace through tuyeres located along the periphery of the furnace at the lower part of the furnace. Carbon in the coke is burnt with oxygen blown into the air at high temperature to generate carbon monoxide and hydrogen, and oxygen in the iron ore is removed in the ascending process in the furnace, so that iron is obtained by reduction. The smelted molten iron is discharged from the iron notch. Unreduced impurities in the iron ore are combined with fluxes such as limestone to generate slag, and the slag is discharged from a slag hole. The generated gas is discharged from the top of the furnace, and is used as fuel for hot blast stoves, heating furnaces, coke ovens, boilers and the like after dust removal. The main products of blast furnace smelting are pig iron, and blast furnace slag and blast furnace gas are also by-products.
In a newly-built blast furnace or an on-line blast furnace, the steel structure and the internal refractory of the blast furnace inevitably expand to different degrees along with the rise of temperature and long-time production. The blast furnace is characterized in that a hard connection mode is adopted between the blast furnace large sleeve and the flange, although a gasket is used for sealing between the blast furnace large sleeve and the flange when the blast furnace large sleeve and the flange are connected, the thermal expansion and cold contraction stress is large, the upwarp deformation condition is easily generated at a joint, gaps with different sizes are also generated between the inner refractory material and the cooling wall as well as between the cooling wall and the steel shell, high-temperature coal gas in the furnace is blown out along the gaps, the coal gas is leaked out from the gaps between the tuyere large sleeve and the flange, and the coal gas leakage can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the not enough to above-mentioned prior art provides a blast furnace flange gas leakage in time processing apparatus to solve the problem that proposes in the above-mentioned background art.
In order to solve the technical problem, the utility model discloses a technical scheme is: a blast furnace flange gas leakage timely processing device comprises a bowl-shaped outer casing, four threaded columns are uniformly fixed on the outer edge of the outer casing, threaded drill rods are respectively connected in the threaded columns in a threaded manner, and the outer casing is fixed on the blast furnace casing through the threaded drill rods;
a baffle is fixed in the outer housing shell, a semi-closed cavity is formed between the baffle and the inner wall of the outer housing shell, an air bag is placed in the semi-closed cavity, a plurality of inflation ports are formed in the air bag, and the inflation ports are fixed on the outer housing shell;
the opening end of the semi-closed cavity is sleeved with a connecting strip, the top end of the connecting strip is fixed on the outer side of the air bag, and the bottom end of the connecting strip is fixed with a sealing ring.
Furthermore, an outer discharge pipe is fixed on the outer side of the outer casing, and a control valve is arranged on the outer discharge pipe.
Furthermore, the front end of the threaded drill rod is a sharp end and is used for drilling into the blast furnace shell, and the tail end of the threaded drill rod is fixed with an operating plate.
Furthermore, the connecting strip is a hard rubber strip and is sleeved in the semi-closed cavity.
Furthermore, the connecting part of the baffle plate in the semi-closed cavity and the outer encloser is provided with a round angle.
Furthermore, the sealing ring is composed of a first sealing ring on the inner side and a second sealing ring on the outer side, and the first sealing ring and the second sealing ring are both made of high-temperature-resistant flexible rubber.
Compared with the prior art, the utility model has the following advantage:
1. the utility model arranges four threaded columns outside the outer cover shell, the threaded columns are respectively connected with threaded drill rods in a threaded way, the four threaded drill rods are sequentially drilled into the shell of the blast furnace to complete the fixation of the outer casing on the shell of the blast furnace, the baffle is fixed in the outer casing, a semi-closed cavity is formed between the baffle and the inner wall of the outer casing, the air bag is arranged in the semi-closed cavity, a plurality of inflation ports are arranged on the air bag, the air bag is inflated and deflated through the inflation ports to expand the air bag for use, when the air bag expands, the air bag drives the connecting strip to move outwards, the bottom end of the connecting strip is fixed with a sealing ring, the connecting strip further pushes the sealing ring to prop against the outer side of the blast furnace shell to continuously inflate the air bag, the sealing performance of the sealing ring is better, so that the effect of sealing the coal gas leaked from the flange in the outer housing can be achieved, and the timely treatment of the coal gas leakage of the blast furnace flange is completed.
2. The utility model discloses a sealing washer comprises the first sealing washer in inboard and the second sealing washer in the outside, and first sealing washer and second sealing washer are made by high temperature resistant flexible rubber, accomplish the inside multilayer sealed effect of housing by the second sealing washer in first sealing washer and the outside, can further avoid gas leakage, have improved sealed effect.
Drawings
FIG. 1 is a sectional view of the overall structure of the present invention;
fig. 2 is a bottom view of the overall structure of the present invention;
description of reference numerals:
the device comprises an outer housing 1, a threaded column 11, a threaded drill rod 2, an operating plate 21, a baffle 3, a semi-closed cavity 31, an air bag 4, an inflation inlet 41, a connecting strip 5, a sealing ring 6, a first sealing ring 61, a second sealing ring 62 and an outer discharge pipe 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the utility model provides a technical solution: a device for timely treating gas leakage of a blast furnace flange comprises a bowl-shaped outer casing 1, wherein the outer casing 1 is used for covering a flange with gas leakage and covering the leaked gas in the outer casing 1.
Four threaded columns 11 are uniformly fixed on the outer edge of the outer housing 1, threaded drill rods 2 are respectively connected into the threaded columns 11 in a threaded mode, the front ends of the threaded drill rods 2 are sharp ends and are used for drilling into the blast furnace housing, an operating plate 21 is fixed at the tail ends of the threaded drill rods 2 and is used for operating the threaded drill rods 2 by an operator, the threaded drill rods 2 sequentially drill into the blast furnace housing, and the outer housing 1 is fixed on the blast furnace housing.
The utility model discloses an outer housing 1, including outer housing 1, baffle 3, gasbag 4, baffle 3, outer housing 1, the baffle 3 is fixed with baffle 3 in the outer housing 1, and the bottom of baffle 3 is no longer than the outside end of outer housing 1, form semi-closed chamber 31 between the inner wall of baffle 3 and outer housing 1, gasbag 4 has been placed in the semi-closed chamber 31, baffle 3 sets up to the fillet with the junction of outer housing 1 in the semi-closed chamber 31, and the fillet can avoid gasbag 4 to damage in the use.
The air bag 4 is provided with a plurality of inflation ports 41, the inflation ports 41 are used for inflating and deflating the air bag 4 to expand the air bag 4 for use, the inflation ports 41 are fixed on the outer casing 1, and the inflation ports 41 can also complete the fixing effect on the position of the air bag 4.
The open end of semi-closed chamber 31 has cup jointed connecting strip 5, and connecting strip 5 is the stereoplasm rubber strip, and it cup joints in semi-closed chamber 31, and the top of connecting strip 5 is fixed in the outside of gasbag 4, and when gasbag 4 expanded, gasbag 4 drove connecting strip 5 and outwards removed, the bottom of connecting strip 5 is fixed with sealing washer 6, and connecting strip 5 and then promote sealing washer 6 and support in the blast furnace casing outside, continue to aerify in gasbag 4, can make sealing washer 6's leakproofness better to can reach the effect of sealing the coal gas that leaks in flange department in housing 1 inside, accomplish the timely processing of blast furnace flange coal gas leakage.
The sealing ring 6 is composed of a first sealing ring 61 on the inner side and a second sealing ring 62 on the outer side, the first sealing ring 61 and the second sealing ring 62 are made of high-temperature-resistant flexible rubber, the effect of multi-layer sealing inside the outer housing 1 is achieved through the first sealing ring 61 and the second sealing ring 62 on the outer side, gas leakage can be further avoided, and the sealing effect is improved.
The outer side of the outer housing 1 is also fixed with an outer discharge pipe 7, the outer discharge pipe 7 can be externally connected with an air supply pipe, the condition that the air pressure in the outer housing 1 is too large can be avoided, the sealing efficiency is improved, and the outer discharge pipe 7 is provided with a control valve, so that the on-off of the outer discharge pipe can be controlled conveniently.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The blast furnace flange gas leakage timely processing device is characterized by comprising a bowl-shaped outer casing (1), wherein four threaded columns (11) are uniformly fixed on the outer edge of the outer casing (1), threaded drill rods (2) are respectively connected in the threaded columns (11) in a threaded manner, and the outer casing (1) is fixed on the blast furnace casing through the threaded drill rods (2);
a baffle (3) is fixed in the outer housing (1), a semi-closed cavity (31) is formed between the baffle (3) and the inner wall of the outer housing (1), an air bag (4) is placed in the semi-closed cavity (31), a plurality of inflation ports (41) are formed in the air bag (4), and the inflation ports (41) are fixed on the outer housing (1);
the opening end of the semi-closed cavity (31) is sleeved with a connecting strip (5), the top end of the connecting strip (5) is fixed on the outer side of the air bag (4), and a sealing ring (6) is fixed at the bottom end of the connecting strip (5).
2. The device for timely processing the gas leakage of the blast furnace flange as per claim 1, wherein an outer discharge pipe (7) is further fixed on the outer side of the outer casing (1), and a control valve is arranged on the outer discharge pipe (7).
3. The blast furnace flange gas leakage timely processing device according to claim 1, characterized in that the front end of the threaded drill rod (2) is a sharp end for drilling into the blast furnace shell, and the tail end of the threaded drill rod (2) is fixed with an operation plate (21).
4. The device for timely treating the gas leakage of the blast furnace flange as per claim 1, wherein the connecting strip (5) is a hard rubber strip and is sleeved in the semi-closed cavity (31).
5. The blast furnace flange gas leakage timely processing device according to the claim 1, characterized in that the connection of the inner baffle (3) and the outer casing (1) of the semi-closed cavity (31) is set to be a round angle.
6. The blast furnace flange gas leakage timely processing device according to the claim 1, characterized in that the sealing ring (6) is composed of a first sealing ring (61) at the inner side and a second sealing ring (62) at the outer side, and the first sealing ring (61) and the second sealing ring (62) are made of high temperature resistant flexible rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120992243.3U CN215103359U (en) | 2021-05-11 | 2021-05-11 | Blast furnace flange gas leakage timely processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120992243.3U CN215103359U (en) | 2021-05-11 | 2021-05-11 | Blast furnace flange gas leakage timely processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215103359U true CN215103359U (en) | 2021-12-10 |
Family
ID=79295242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120992243.3U Active CN215103359U (en) | 2021-05-11 | 2021-05-11 | Blast furnace flange gas leakage timely processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215103359U (en) |
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2021
- 2021-05-11 CN CN202120992243.3U patent/CN215103359U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A timely treatment device for gas leakage from blast furnace flanges Effective date of registration: 20230602 Granted publication date: 20211210 Pledgee: Shanghai Pudong Development Bank Co.,Ltd. Baotou Branch Pledgor: BAOTOU ANDE KILN TECHNOLOGY Co.,Ltd. Registration number: Y2023150000076 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20211210 Pledgee: Shanghai Pudong Development Bank Co.,Ltd. Baotou Branch Pledgor: BAOTOU ANDE KILN TECHNOLOGY Co.,Ltd. Registration number: Y2023150000076 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |