CN203336093U - Coal gas down-flow tube in blast furnace system - Google Patents
Coal gas down-flow tube in blast furnace system Download PDFInfo
- Publication number
- CN203336093U CN203336093U CN201320411734XU CN201320411734U CN203336093U CN 203336093 U CN203336093 U CN 203336093U CN 201320411734X U CN201320411734X U CN 201320411734XU CN 201320411734 U CN201320411734 U CN 201320411734U CN 203336093 U CN203336093 U CN 203336093U
- Authority
- CN
- China
- Prior art keywords
- flow tube
- coal gas
- blast furnace
- falling tube
- furnace system
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Blast Furnaces (AREA)
Abstract
The utility model discloses a coal gas down-flow tube in a blast furnace system, and belongs to the field of coal gas processing in the blast furnace system. The coal gas down-flow tube comprises a down-flow tube body, wherein fastening devices are arranged at the two ends of the down-flow tube body respectively. Each fastening device comprises a pipe hoop, a rubber seal ring and a fastening bolt, wherein each pipe hoop is defined by a belt-shaped body to form an omega shape, an annular circular cavity is formed inside each pipe hoop, and two clamping lugs are arranged at the two ends of each belt-shaped body respectively. The pipe hoops are connected to the down-flow tube body in a sleeved mode, and each rubber seal ring is in an annular shape and located between one of the pipe loops and the down-flow tube body. Each clamping lug is provided with a connecting hole, and the clamping lugs are connected through the fastening screws. According to the coal gas down-flow tube, the weld defects produced when a pipeline is welded can be avoided, and the coal gas down-flow tube has the advantages of being convenient to detach and install, easy to replace, simple in structure, convenient to use, reasonable and ingenious in design, easy to manufacture and the like.
Description
Technical field
The utility model belongs to the coal gas process field in blast furnace system, specifically, relates to the coal gas falling tube in a kind of blast furnace system.
Background technique
In blast furnace ironmaking process, the fuel gas and dust content that blast furnace is discharged is very high, directly uses and can block pipeline, and can cause the corrosion failure of the firebrick lining such as hot blast stove and burner.Therefore, the blast furnace gas use that just can act as a fuel after must dedusting.Wherein the gravitational dust collection system is one of principal mode of blast furnace crude gas dedusting, mainly contains crude-gas pipeline and gravitational precipitator two-part and forms, and wherein the crude-gas pipeline is transported to gravitational precipitator to crude-gas from blast furnace.And the crude-gas pipeline can be divided into three sections of gas-pipe line, gas up take and coal gas falling tubes according to space trend, whole system gas export control one end is supported on the crude-gas steel platform of blast-furnace body, wherein the gas up take of blast furnace system connected with being connected by falling tube of gravitational precipitator delivery line, and gravitational precipitator one end is fixed on the deduster platform.If structurally the gravitational dust collection system is regarded as to a large member, this member has connected with the blast-furnace body of crude-gas platform and the concrete frame platform structure of supporting deduster.The coal gas falling tube is unsuitable long, and the span of this beam section is not too big.And, in Practical Project, due to the complexity of ironmaking engineering and the place restriction of plant area, make the frequent location comparison of blast furnace and gravitational precipitator far away, cause the coal gas falling tube stressed very unfavorable.
China Patent No.: 201220659333.1, open day: on 06 12nd, 2013, the patent document of the butt compensator of a aerial low pressure large-diameter pipeline by name is disclosed, this model utility is a kind of butt compensator of aerial low pressure large-diameter pipeline, it is characterized in that: this butt compensator is being installed respectively between gas up take and falling tube and between gravitational precipitator delivery line and falling tube, this butt compensator mainly is comprised of cover tiles and lower cover tile, this cover tiles is identical with the structure of lower cover tile, this cover tiles and lower cover tile are all cylindrical shells that cross section is the semicircle annular, and the inside radius of this cover tiles and lower cover tile is all identical with the outer radius of falling tube, and the thickness of this cover tiles and lower cover tile all with the consistency of thickness of falling tube, this cover tiles and corresponding fastening of lower cover tile are assembled, easy to use, safe and reliable, the aerial joint quality of falling tube and the welding quality of butt weld have effectively been improved.But this model utility is to adopt the welding process connecting tube, the method easily produces weld defects, the defect such as burn, lack of penetration as be prone to while welding, be easy to occur pipeline crack under long-time running, affect pipe safety, and be prone to skew when in this patent, upper FE Tiler is with the difficult corresponding fastening assembling of lower FE Tiler, thereby directly affect the pipeline joint quality.
Summary of the invention
The problem that 1, will solve
While docking for gas pipe line in blast furnace system, falling tube adopts welding manner docking cost high, dismounting inconvenience, and welded pipe line is prone to and burns, then cause pipeline gas leakage, affect pipe safety, even still have some problems after adopting certain welding compensation device, the good connectivity problem of the gas up take of the solution blast furnace system of science and gravitational dust collection pipe fully, the utility model provides the falling tube of the coal gas in a kind of blast furnace system, the welding shortcoming that the utility model can avoid pipeline welding to occur, realize the sealing docking, and cost is low, easy accessibility, be easy to change.
2, technological scheme
For addressing the above problem, the utility model adopts following technological scheme.
Coal gas falling tube in a kind of blast furnace system, comprise the falling tube body, and the two ends of described falling tube body also are provided with securing means; Described securing means comprises pipe collar, sealing rubber ring and clamping bolt, and described pipe collar is that belt body surrounds " Ω " type, and its inside is circular cavity, and the two ends of belt body are two folder ears; Described pipe collar is socketed on the falling tube body; Described sealing rubber ring is circular, between pipe collar and falling tube body; Be equipped with attachment hole on described folder ear; Described clamping bolt is through two attachment holes.
Preferably, described pipe collar material is stainless steel.
Preferably, the width of described sealing rubber ring is 150～200mm.
More preferably, the width of described sealing rubber ring is 175mm.
When the utility model is used in reality, at first sealing rubber ring is nested in to the falling tube two ends with related tool, again pipe collar is enclosed within to sealing rubber ring outside, guarantees after two folder ears alignment with the folder ear of the fastening pipe collar of clamping bolt both sides, complete docking of gas up take and gravitational precipitator delivery line.
3, beneficial effect
Than prior art, the beneficial effects of the utility model are:
(1) two ends of the utility model falling tube body also are provided with securing means, and this securing means comprises pipe collar, sealing rubber ring and clamping bolt; Pipe collar is socketed on the falling tube body, and sealing rubber ring, between pipe collar and falling tube body, by the fastening pipe collar of clamping bolt, thereby reaches the effect that seal for pipe joints is docked, the weld defects simultaneously occurred because of the pipeline welding that does not adopt welding to avoid;
(2) the utility model adopts firm bolton pipe collar, and bolt disassembly is convenient, is easy to change;
(3) the utility model pipe collar material is stainless steel, can effectively prevent the mating interface corrosion;
(4) the utility model is simple in structure, easy to use, reasonable in design ingenious, and is easy to manufacture.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is right elevation of the present utility model.
Structural representation when Fig. 3 is the utility model work.
Number in the figure explanation: 1, falling tube body; 2, gas up take; 3, gravitational precipitator delivery line; 11, pipe collar; 12, sealing rubber ring; 13, clamping bolt; 14, folder ear.
Embodiment
For further understanding content of the present utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
As shown in Figure 1, Figure 2 and Figure 3, the coal gas falling tube in a kind of blast furnace system, comprise falling tube body 1, and wherein the two ends of falling tube body 1 also are provided with securing means; This securing means comprises pipe collar 11, sealing rubber ring 12 and clamping bolt 13, and pipe collar 11 surrounds " Ω " type for belt body, and its inside is circular cavity, and the two ends of belt body are two folder ears 14; And pipe collar 11 is socketed on falling tube body 1, sealing rubber ring 12 is circular, between pipe collar 11 and falling tube body 1; Be equipped with attachment hole on folder ear 14, connect by clamping bolt 13.Pipe collar 11 materials are stainless steel in addition, and the width of sealing rubber ring 12 is 175mm.
During use, carry out as follows:
(1) at first by falling tube body 1 respectively with gas up take 2 and gravitational precipitator delivery line 3 corresponding align;
(2) then sealing rubber ring 12 use related tools closely are nested in respectively to falling tube body 1 and gas up take 2 and falling tube body 1 and gravitational precipitator delivery line 3 jointings;
(3) finally pipe collar 11 is enclosed within respectively to sealing rubber ring 12 outsides, guarantees after two folder ears 14 alignment with the folder ear 14 of the fastening pipe collar of clamping bolt 13 11 both sides, complete docking of gas up take 2 and gravitational precipitator delivery line 3.
With embodiment 1, difference is that the width of sealing rubber ring 12 is 150mm.
With embodiment 1, difference is that the width of sealing rubber ring 12 is 200mm.
Claims (4)
1. the coal gas falling tube in a blast furnace system, comprise falling tube body (1), and it is characterized in that: the two ends of described falling tube body (1) also are provided with securing means; Described securing means comprises pipe collar (11), sealing rubber ring (12) and clamping bolt (13), and described pipe collar (11) surrounds " Ω " type for belt body, and its inside is circular cavity, and the two ends of belt body are two folder ears (14); Described pipe collar (11) is socketed on falling tube body (1); Described sealing rubber ring (12) is circular, is positioned between pipe collar (11) and falling tube body (1); Be equipped with attachment hole on described folder ear (14); Described clamping bolt (13) is through two attachment holes.
2. according to the coal gas falling tube in the described a kind of blast furnace system of claims 1, it is characterized in that: described pipe collar (11) material is stainless steel.
3. according to the coal gas falling tube in the described a kind of blast furnace system of claims 1, it is characterized in that: the width of described sealing rubber ring (12) is 150～200mm.
4. according to the coal gas falling tube in the described a kind of blast furnace system of claims 3, it is characterized in that: the width of described sealing rubber ring (12) is 175mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320411734XU CN203336093U (en) | 2013-07-10 | 2013-07-10 | Coal gas down-flow tube in blast furnace system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320411734XU CN203336093U (en) | 2013-07-10 | 2013-07-10 | Coal gas down-flow tube in blast furnace system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203336093U true CN203336093U (en) | 2013-12-11 |
Family
ID=49704769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320411734XU Expired - Fee Related CN203336093U (en) | 2013-07-10 | 2013-07-10 | Coal gas down-flow tube in blast furnace system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203336093U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033678A (en) * | 2014-05-13 | 2014-09-10 | 天津市凯诺实业有限公司 | Flexible connecting piece of cast-iron drain pipe |
| CN104948856A (en) * | 2014-03-28 | 2015-09-30 | 南通曙光机电工程有限公司 | Corrugated pipe connector device |
| CN109458505A (en) * | 2017-09-06 | 2019-03-12 | 中国石油天然气股份有限公司 | Pipeline clamp |
| CN109973479A (en) * | 2019-04-17 | 2019-07-05 | 浙江卓远机电科技有限公司 | A kind of anti-dropout and easy-to-dismount clamp connection structure |
| CN111355337A (en) * | 2020-03-25 | 2020-06-30 | 南京铁道职业技术学院 | Equipment for supplying power to high-speed rail |
-
2013
- 2013-07-10 CN CN201320411734XU patent/CN203336093U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948856A (en) * | 2014-03-28 | 2015-09-30 | 南通曙光机电工程有限公司 | Corrugated pipe connector device |
| CN104033678A (en) * | 2014-05-13 | 2014-09-10 | 天津市凯诺实业有限公司 | Flexible connecting piece of cast-iron drain pipe |
| CN109458505A (en) * | 2017-09-06 | 2019-03-12 | 中国石油天然气股份有限公司 | Pipeline clamp |
| CN109973479A (en) * | 2019-04-17 | 2019-07-05 | 浙江卓远机电科技有限公司 | A kind of anti-dropout and easy-to-dismount clamp connection structure |
| CN109973479B (en) * | 2019-04-17 | 2023-12-22 | 浙江卓远机电科技股份有限公司 | Anti-drop and convenient to detach's clamp connection structure |
| CN111355337A (en) * | 2020-03-25 | 2020-06-30 | 南京铁道职业技术学院 | Equipment for supplying power to high-speed rail |
| CN111355337B (en) * | 2020-03-25 | 2021-01-29 | 南京铁道职业技术学院 | Equipment for supplying power to high-speed rail |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203336093U (en) | Coal gas down-flow tube in blast furnace system | |
| CN204254114U (en) | A kind of three-limb tube | |
| CN101767243A (en) | Method for welding tuyere-cooler casing and blast furnace casing | |
| CN205271271U (en) | Bell and spigot steel ring welded auxiliary device | |
| CN209303993U (en) | A kind of contra-aperture device and steel bushing steel jacket dock processing unit (plant) | |
| CN103075602A (en) | Chimney expansion joint | |
| CN203307362U (en) | Gravitational dust-removing system in blast furnace system | |
| CN204185432U (en) | A kind of tubing system rapid abutting joint and shut-off device | |
| CN203373316U (en) | Coke oven mouth protecting device in overhaul | |
| CN201680113U (en) | Metal coated compensator | |
| CN203363462U (en) | Gas inlet pipe connecting high-temperature gathered fuel gas and spray tower | |
| CN202099304U (en) | Blast furnace tuyere sleeve | |
| CN105485432A (en) | High-temperature pipeline fixing bracket and high-temperature pipeline fixing method | |
| CN202209431U (en) | Hollow tube trip valve of hollow electrode | |
| CN205298833U (en) | High temperature pipeline fixed bolster | |
| CN201818822U (en) | Combustion gas gate valve with PE (Polythene) pipe joint | |
| CN201680104U (en) | Composite cladding compensator | |
| CN206310126U (en) | A kind of connector fixing device of composite steel tube | |
| CN205781651U (en) | Compound reparation pipeline compensator | |
| CN205191632U (en) | Chain line's independent vault structure is hanged in match of top combustion stove circular arc | |
| CN204999856U (en) | Pyrolysis furnace tie -in structure | |
| CN202174381U (en) | Novel pipeline orifice alignment device | |
| CN109648246A (en) | A kind of contra-aperture device, steel bushing steel jacket docking processing unit (plant) and method | |
| CN204254128U (en) | A kind of hinge type expansion joint for high temperature pipe | |
| CN204026022U (en) | The axial FlexbleJoint of self-supporting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20140710 |
|
| EXPY | Termination of patent right or utility model |