CN103912738A - Abrasion-resistant hose for magnetizing pulverized coal - Google Patents
Abrasion-resistant hose for magnetizing pulverized coal Download PDFInfo
- Publication number
- CN103912738A CN103912738A CN201410101651.XA CN201410101651A CN103912738A CN 103912738 A CN103912738 A CN 103912738A CN 201410101651 A CN201410101651 A CN 201410101651A CN 103912738 A CN103912738 A CN 103912738A
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- Prior art keywords
- wear
- abrasion
- magnet steel
- layer
- magnetizing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
- F16L11/088—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising a combination of one or more layers of a helically wound cord or wire with one or more braided layers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention relates to the technical field of pulverized coal injection, relates to a device capable of magnetizing injected pulverized coal, and particularly discloses an abrasion-resistant hose for magnetizing pulverized coal. The technical scheme includes that the abrasion-resistant hose comprises an abrasion-resistant magnetic steel layer, a rubber lining layer, a metal woven mesh layer, an outer cord fabric and rubber layer, carbon steel transition joints, hose hoops and threaded joints; the abrasion-resistant magnetic steel layer, the rubber lining layer, the metal woven mesh layer and the outer cord fabric and rubber layer are sequentially arranged from the inside to the outside, the carbon steel transition joints, the hose hoops and the threaded joints are positioned at two ends of the abrasion-resistant hose, one end of each carbon steel transition joint is in the shape of a spherical surface and is connected with the abrasion-resistant magnetic steel layer, the other end of each carbon steel transition joint is fixed to the corresponding threaded joint, the threaded joints are used for being connected with spray guns and conveying pipelines, and the hose hoops are used for compressing the carbon steel transition joints. The abrasion-resistant hose has the advantages that the ignition point of the pulverized coal can be lowered by the aid of a method for magnetizing the pulverized coal, so that the pulverized coal can be sufficiently combusted, and purposes of reducing fuel consumption of a blast furnace and creating an economic benefit for an enterprise can be achieved.
Description
Technical field
The present invention relates to the technical field of breeze blowing, relate to one and can allow spraying coal powder obtain magnetized device, specifically a kind of for magnetizing the abrasion-resistant hose of coal dust.
Background technique
Metallurgy industry, Thermal Power Generation Industry, all needs spraying coal powder.The particularly ironmaking system of metallurgy industry, need to be to spraying coal powder in blast furnace, to reduce the coke use amount that price is higher, to boost productivity and to reduce production costs.Because the coal dust great majority of blast furnace blowing are that anthracite is main, because anthracite burning-point is higher, often can not completely promptly burn in winding-up part in blast furnace time, nearest research shows, after anchracite duff is magnetized, can reduce burning-point, will be conducive to the abundant burning of coal dust, be conducive to blast furnace and further improve injecting coal quantity, be conducive to further save coke, reduce blast furnace cost of production and increase economic efficiency, also help industry energy conservation and reduce discharging.
Claimant is devoted to the magnetized research of coal dust always, applied for the patent application that application number is 201310359537.2 in 2013, this patent application provides a kind of magnetization spraying coal powder device, completely additional in original pulverized coal injection into blast furna powder system, limit owing to being subject to blast furnace site space, it is oversize that this device can not do, if length does not reach certain requirement, can affect the magnetization effect of coal dust.Claimant has carried out further improvement research now.
Summary of the invention
Technical problem to be solved by this invention, it is exactly the mode that adopts additional permanent magnet for existing coal dust magnetizing assembly, be subject to blast furnace spatial constraints, length does not reach requirement, magnetization effect is bad, a kind of abrasion-resistant hose that can magnetize pulverized coal injection in blast furnace is provided, has adopted and comprise wear-resisting magnet steel layer, elastometric lining layer, metal knitted stratum reticulare, outer cord and rubber layer, be followed successively by from inside to outside wear-resisting magnet steel layer, elastometric lining layer, metal knitted stratum reticulare, outer cord and rubber layer; Also comprise the carbon steel transit joint, hose clamp, the inipple that are positioned at abrasion-resistant hose two ends, wherein, one end of described carbon steel transit joint is sphere and is connected with wear-resisting magnet steel layer, the other end and inipple are fixed, described inipple is for being connected with spray gun and conveyance conduit, described hose clamp is for compressing the technological scheme of carbon steel transit joint, reduce Coal Powder Ignition Point with coal dust magnetizing method, it is fully burnt, reaching and reduce blast furnace fuel consumption, is the object of enterprise's creation economic benefit.
Technical solution of the present invention is:
A kind of for magnetizing the abrasion-resistant hose of coal dust, it is characterized in that, comprise wear-resisting magnet steel layer, elastometric lining layer, metal knitted stratum reticulare, outer cord and rubber layer, be followed successively by from inside to outside wear-resisting magnet steel layer, elastometric lining layer, metal knitted stratum reticulare, outer cord and rubber layer; Also comprise the carbon steel transit joint, hose clamp, the inipple that are positioned at abrasion-resistant hose two ends, wherein, one end of described carbon steel transit joint is sphere and is connected with wear-resisting magnet steel layer, the other end and inipple are fixed, described inipple is for being connected with spray gun and conveyance conduit, and described hose clamp is used for compressing carbon steel transit joint.
Feature of the present invention also has:
Described wear-resisting magnet steel layer is made up of several sections of.
Each two ends of saving wear-resisting magnet steel layer is all spherical shape.
One end that described each saves the wear-resisting magnet steel layer of a joint in wear-resisting magnet steel layer is protruding sphere, and the other end is concave spherical surface.
In described wear-resisting magnet steel layer, the wear-resisting magnet steel layer of odd number joint or even number joint can be protruding sphere in two ends; In described wear-resisting magnet steel layer, the wear-resisting magnet steel layer of odd number joint or even number joint can be concave spherical surface in two ends.
The wear-resisting magnet steel interlayer that is protruding sphere with joint two ends that needs the joint two ends to be concave spherical surface in described wear-resisting magnet steel layer is every layout.
Each length that saves wear-resisting magnet steel layer is 30-70mm.
Described wear-resisting magnet steel layer is selected the wear-resisting magnet steel of model SH series.
The beneficial effect of this programme is:
This flexible pipe is mainly made up of wear-resisting magnet steel layer, elastometric lining layer, metal knitted stratum reticulare, outer cord and rubber layer etc., when coal dust when by flexible pipe its coal dust can with wear-resisting magnet steel close contact, coal dust is magnetized, in the time that the coal dust being magnetized sprays from spray gun port, combustion temperature can reduce, therefore be conducive to the abundant burning of coal dust, particularly in the time of pulverized coal injection in blast furnace system applies, can be conducive to further improve coal powder blowing amount, and then be conducive to reduce blast-furnace coke consumption, be conducive to improve blast furnace economic benefit.
And, adopt hose construction of the present invention, be combined to form a kind of new new-type of hose that can pulverized coal conveying can magnetize again coal dust, magnetization length can reach in background technique, install more than three times, and additionally do not take up room, can be described as once raising or perhaps the technological progress of coal dust magnetization research application aspect.
The present invention utilizes the inipple at flexible pipe two ends, be connected with spray gun and the conveyance conduit of pulverized coal injection in blast furnace, coal dust is just magnetized entering before spray gun, so that improve coal combustion rate, this flexible pipe also can be for the coal injection system of the combusting coal fines boiler of Thermal Power Generation Industry.
As can be seen here, the present invention compared with prior art, has outstanding substantive distinguishing features and progressive significantly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 a is a kind of embodiment of the wear-resisting magnet steel layer of the present invention, is the plan view of the protruding sphere in concave spherical surface one end, one end;
Fig. 2 b is the left view of Fig. 2 a;
A kind of embodiment of the wear-resisting magnet steel layer of Fig. 3 a the present invention, for two ends are all plan views of concave spherical surface;
Fig. 3 b is Fig. 3 a left view;
A kind of embodiment of the wear-resisting magnet steel layer of Fig. 4 a the present invention, for two ends are all plan views of protruding sphere;
Fig. 4 b is Fig. 4 a left view;
Wherein, 1 is wear-resisting magnet steel layer; 2 is elastometric lining layer; 3 is metal knitted stratum reticulare; 4 is outer cord and rubber layer, and 5 is carbon steel transit joint; 6 is hose clamp; 7 is inipple; 8 is sphere.
Embodiment
Below by specific embodiment, technological scheme of the present invention is described in detail.
For clearly demonstrating technical characterstic of the present invention, below by an embodiment, and in conjunction with its accompanying drawing, the present invention is set forth.
embodiment 1
As seen in Figure 1, a kind of abrasion-resistant hose that can magnetize coal dust of the present invention, comprise wear-resisting magnet steel layer 1, elastometric lining layer 2, metal knitted stratum reticulare 3, outer cord and rubber layer 4, be followed successively by from inside to outside wear-resisting magnet steel layer 1, elastometric lining layer 2, metal knitted stratum reticulare 3, outer cord and rubber layer 4; Also comprise the carbon steel transit joint 5, hose clamp 6, the inipple 7 that are positioned at abrasion-resistant hose two ends, wherein, one end of described carbon steel transit joint 5 is sphere and is connected with wear-resisting magnet steel layer 1, the other end and inipple 7 are fixing, described inipple is for being connected with spray gun and conveyance conduit, and described hose clamp 6 is for compressing carbon steel transit joint 5.
There is elastometric lining layer 2 described wear-resisting magnet steel layer 1 outside, has metal knitted stratum reticulare 3 between elastometric lining layer 2 and outer cord and rubber layer 4.
One end of described carbon steel transit joint 5 is spherical shape and is connected with wear-resisting magnet steel 1, and the other end is enclosed within the inside of inipple 7.
Described wear-resisting magnet steel layer 1 is selected the wear-resisting magnet steel of model SH series.
Described wear-resisting magnet steel layer 1 is made up of several sections of, specifically depending on the length of flexible pipe, the length of the wear-resisting magnet steel layer 1 of every joint be 30-70mm not etc.; And each two ends of saving wear-resisting magnet steel layer 1 is all spherical shape.
As shown in Fig. 2 a, Fig. 2 b, joint wear-resisting magnet steel layer 1 one end is that protruding sphere one end is concave spherical surface.
As shown in Figure 3 a, 3 b, the wear-resisting magnet steel layer 1 of a described joint is that two ends are protruding sphere, as shown in Fig. 4 a, Fig. 4 b, the wear-resisting magnet steel layer 1 of a described joint is that two ends are concave spherical surface, is then that to be concave spherical surface be used in combination for protruding sphere and joint two ends according to joint two ends.
As abrasion-resistant hose, can be that the wear-resisting magnet steel layer 1 of 3 kinds of structural types is used in combination, as being all the protruding sphere in one end, the other end concave spherical surface situation; Also can for all by joint two ends be protruding sphere and one joint two ends be concave spherical surface combine situation; Can also be partly for one end be protruding sphere, the other end is concave spherical surface, part is that joint two ends are protruding sphere and joint two ends are the situation that concave spherical surface combines, and that is to say that wherein the sphere situation of the wear-resisting magnet steel layer 1 of a certain joint is be selected from above-mentioned three kinds of situations wherein a kind of.
Coal dust is just magnetized when by this flexible pipe, because the coal dust being magnetized can reduce combustion temperature, therefore, when the coal dust being magnetized can be conducive to the abundant burning of coal dust in the time that spray gun port sprays, particularly in the time of pulverized coal injection in blast furnace system applies, can be conducive to further improve coal powder blowing amount, be conducive to reduce blast-furnace coke consumption, be conducive to improve blast furnace economic benefit.
The present invention can pass through existing techniques in realizing without the technical characteristics of describing, and does not repeat them here.Certainly; above-mentioned explanation is not limitation of the present invention; the present invention is also not limited in above-mentioned giving an example; variation, remodeling, interpolation or replacement that those skilled in the art make in essential scope of the present invention; as long as the spray gun linkage section described uses the flexible pipe with magnetic material, all should belong to the protection domain of this patent.
Claims (8)
1. one kind for magnetizing the abrasion-resistant hose of coal dust, it is characterized in that, comprise wear-resisting magnet steel layer, elastometric lining layer, metal knitted stratum reticulare, outer cord and rubber layer, be followed successively by from inside to outside wear-resisting magnet steel layer, elastometric lining layer, metal knitted stratum reticulare, outer cord and rubber layer; Also comprise the carbon steel transit joint, hose clamp, the inipple that are positioned at abrasion-resistant hose two ends, wherein, one end of described carbon steel transit joint is sphere and is connected with wear-resisting magnet steel layer, the other end and inipple are fixed, described inipple is for being connected with spray gun and conveyance conduit, and described hose clamp is used for compressing carbon steel transit joint.
2. according to claim 1ly it is characterized in that for magnetizing the abrasion-resistant hose of coal dust, described wear-resisting magnet steel layer is made up of several sections of.
3. according to claim 2ly it is characterized in that for magnetizing the abrasion-resistant hose of coal dust, each two ends of saving wear-resisting magnet steel layer is all spherical shape.
4. according to claim 3ly it is characterized in that for magnetizing the abrasion-resistant hose of coal dust, one end that described each saves the wear-resisting magnet steel layer of a joint in wear-resisting magnet steel layer is protruding sphere, and the other end is concave spherical surface.
5. according to claim 3ly it is characterized in that for magnetizing the abrasion-resistant hose of coal dust, in described wear-resisting magnet steel layer, the wear-resisting magnet steel layer two ends of odd number joint or even number joint are protruding sphere; In described wear-resisting magnet steel layer, the wear-resisting magnet steel layer two ends of odd number joint or even number joint are concave spherical surface.
6. according to claim 5ly it is characterized in that for magnetizing the abrasion-resistant hose of coal dust, the wear-resisting magnet steel interlayer that is protruding sphere with joint two ends that joint two ends is to concave spherical surface in described wear-resisting magnet steel layer is every layout.
7. according to claim 3ly it is characterized in that for magnetizing the abrasion-resistant hose of coal dust, each length that saves wear-resisting magnet steel layer is 30-70mm.
8. according to claim 3ly it is characterized in that for magnetizing the abrasion-resistant hose of coal dust, described wear-resisting magnet steel layer is selected the wear-resisting magnet steel of model SH series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410101651.XA CN103912738B (en) | 2014-03-19 | 2014-03-19 | A kind of abrasion-resistant hose for magnetizing coal dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410101651.XA CN103912738B (en) | 2014-03-19 | 2014-03-19 | A kind of abrasion-resistant hose for magnetizing coal dust |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103912738A true CN103912738A (en) | 2014-07-09 |
| CN103912738B CN103912738B (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410101651.XA Expired - Fee Related CN103912738B (en) | 2014-03-19 | 2014-03-19 | A kind of abrasion-resistant hose for magnetizing coal dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103912738B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113151625A (en) * | 2021-04-29 | 2021-07-23 | 山西助潞腾飞科技服务有限公司 | Blast furnace coal powder blowing device |
| CN113446459A (en) * | 2021-08-11 | 2021-09-28 | 河北西柏坡发电有限责任公司 | Wear-proof device for pulverized coal pipeline |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60147017A (en) * | 1984-01-10 | 1985-08-02 | Mitsubishi Heavy Ind Ltd | Device for recovering seed substance in coal burning mhd power generating plant |
| DE3503691A1 (en) * | 1985-02-04 | 1986-08-07 | Heinrich 8673 Rehau Kunel | Magnet activator |
| CN2683242Y (en) * | 2003-06-27 | 2005-03-09 | 康双双 | Monopolar polarization treating device for fluid in pipe |
| CN2856056Y (en) * | 2005-12-29 | 2007-01-10 | 赵洪生 | Coal spraying tube for energy saving blast furnace |
| CN200952717Y (en) * | 2006-09-27 | 2007-09-26 | 中天仕名科技集团有限公司 | Pulverized-coal burner coal-supply pipe parts with antiwearing composite coating on inner and outer surfaces |
| CN103397122A (en) * | 2013-08-16 | 2013-11-20 | 济钢集团有限公司 | Magnetization coal powder spraying-blowing apparatus |
| CN203757211U (en) * | 2014-03-19 | 2014-08-06 | 济钢集团有限公司 | Abrasion-resistant hose for magnetizing coal powder |
-
2014
- 2014-03-19 CN CN201410101651.XA patent/CN103912738B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60147017A (en) * | 1984-01-10 | 1985-08-02 | Mitsubishi Heavy Ind Ltd | Device for recovering seed substance in coal burning mhd power generating plant |
| DE3503691A1 (en) * | 1985-02-04 | 1986-08-07 | Heinrich 8673 Rehau Kunel | Magnet activator |
| CN2683242Y (en) * | 2003-06-27 | 2005-03-09 | 康双双 | Monopolar polarization treating device for fluid in pipe |
| CN2856056Y (en) * | 2005-12-29 | 2007-01-10 | 赵洪生 | Coal spraying tube for energy saving blast furnace |
| CN200952717Y (en) * | 2006-09-27 | 2007-09-26 | 中天仕名科技集团有限公司 | Pulverized-coal burner coal-supply pipe parts with antiwearing composite coating on inner and outer surfaces |
| CN103397122A (en) * | 2013-08-16 | 2013-11-20 | 济钢集团有限公司 | Magnetization coal powder spraying-blowing apparatus |
| CN203757211U (en) * | 2014-03-19 | 2014-08-06 | 济钢集团有限公司 | Abrasion-resistant hose for magnetizing coal powder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113151625A (en) * | 2021-04-29 | 2021-07-23 | 山西助潞腾飞科技服务有限公司 | Blast furnace coal powder blowing device |
| CN113446459A (en) * | 2021-08-11 | 2021-09-28 | 河北西柏坡发电有限责任公司 | Wear-proof device for pulverized coal pipeline |
| CN113446459B (en) * | 2021-08-11 | 2022-08-12 | 河北西柏坡发电有限责任公司 | Wear-proof device for pulverized coal pipeline |
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| Publication number | Publication date |
|---|---|
| CN103912738B (en) | 2015-12-30 |
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