CN103912738B - A kind of abrasion-resistant hose for magnetizing coal dust - Google Patents

A kind of abrasion-resistant hose for magnetizing coal dust Download PDF

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Publication number
CN103912738B
CN103912738B CN201410101651.XA CN201410101651A CN103912738B CN 103912738 B CN103912738 B CN 103912738B CN 201410101651 A CN201410101651 A CN 201410101651A CN 103912738 B CN103912738 B CN 103912738B
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CN
China
Prior art keywords
wear
magnet steel
layer
abrasion
steel layer
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
Application number
CN201410101651.XA
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Chinese (zh)
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CN103912738A (en
Inventor
刘学燕
李传辉
陈霞
辛虹霓
高新运
毛雪芹
薛燕
贺秀丽
张波强
刘建华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinan Iron and Steel Group Co Ltd
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Jinan Iron and Steel Group Co Ltd
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Publication date
Application filed by Jinan Iron and Steel Group Co Ltd filed Critical Jinan Iron and Steel Group Co Ltd
Priority to CN201410101651.XA priority Critical patent/CN103912738B/en
Publication of CN103912738A publication Critical patent/CN103912738A/en
Application granted granted Critical
Publication of CN103912738B publication Critical patent/CN103912738B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00Hoses, i.e. flexible pipes
    • F16L11/04Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/08Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
    • F16L11/088Hoses, 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00Hoses, i.e. flexible pipes
    • F16L11/04Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/12Hoses, 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The present invention relates to the technical field of breeze blowing, relate to one and spraying coal powder can be allowed to obtain magnetized device, specifically a kind of abrasion-resistant hose for magnetizing coal dust.Employing comprises wear-resisting magnet steel layer, elastometric lining layer, metal knitted stratum reticulare, outer cord and rubber layer, is followed successively by wear-resisting magnet steel layer, elastometric lining layer, metal knitted stratum reticulare, outer cord and rubber layer from inside to outside; 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 spherically connected with wear-resisting magnet steel layer, the other end and inipple are fixed, described inipple is used for being connected with spray gun and conveyance conduit, described hose clamp is for compressing the technological scheme of carbon steel transit joint, Coal Powder Ignition Point is reduced with coal dust magnetizing method, make its Thorough combustion, reach and reduce blast furnace fuel consumption, for enterprise creates the object of economic benefit.

Description

A kind of abrasion-resistant hose for magnetizing coal dust
Technical field
The present invention relates to the technical field of breeze blowing, relate to one and spraying coal powder can be allowed to obtain magnetized device, specifically a kind of abrasion-resistant hose for magnetizing coal dust.
Background technique
Metallurgy industry, Thermal Power Generation Industry, all needs spraying coal powder.The particularly ironmaking system of metallurgy industry, needs spraying coal powder in blast furnace, to reduce the higher coke use amount of price, to boost productivity and to reduce cost of production.Coal dust great majority due to blast furnace blowing are anthracites is main, because anthracite burning-point is higher, often when jetting in blast furnace, a part can not completely promptly be burnt, nearest research shows, can reduce burning-point after anchracite duff is magnetized, and will be conducive to the Thorough combustion of coal dust, be conducive to blast furnace and improve injecting coal quantity further, be conducive to saving coke further, reduce blast fumance cost and increase economic efficiency, also help industry energy conservation and reduce discharging.
Claimant is devoted to the magnetized research of coal dust always, apply for that in 2013 application number is the patent application of 201310359537.2, this patent application provides a kind of magnetization spraying coal powder device, completely additional in original pulverized coal injection into blast furna powder system, owing to limitting by blast furnace site space, it is oversize that this device can not do, if length does not reach certain requirement, can affect the magnetic efficiency of coal dust.Applicant carried out now further linguistic term.
Summary of the invention
Technical problem to be solved by this invention, it is exactly the mode adopting additional permanent magnet for existing coal dust magnetizing assembly, by blast furnace spatial constraints, length does not reach requirement, magnetic efficiency is bad, provide a kind of abrasion-resistant hose that can magnetize pulverized coal injection in blast furnace, adopt and comprise wear-resisting magnet steel layer, elastometric lining layer, metal knitted stratum reticulare, outer cord and rubber layer, be followed successively by wear-resisting magnet steel layer, elastometric lining layer, metal knitted stratum reticulare, outer cord and rubber layer from inside to outside; 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 spherically connected with wear-resisting magnet steel layer, the other end and inipple are fixed, described inipple is used for being connected with spray gun and conveyance conduit, described hose clamp is for compressing the technological scheme of carbon steel transit joint, Coal Powder Ignition Point is reduced with coal dust magnetizing method, make its Thorough combustion, reach and reduce blast furnace fuel consumption, for enterprise creates the object of economic benefit.
Technical solution of the present invention is:
A kind of abrasion-resistant hose for magnetizing 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 wear-resisting magnet steel layer, elastometric lining layer, metal knitted stratum reticulare, outer cord and rubber layer from inside to outside; 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 spherically connected with wear-resisting magnet steel layer, the other end and inipple are fixed, described inipple is used for being connected with spray gun and conveyance conduit, and described hose clamp is 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 saves the two ends all spherically shape of wear-resisting magnet steel layer.
One end that described each saves the wear-resisting magnet steel layer of a joint in wear-resisting magnet steel layer is convex spherical, 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 convex spherical 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.
Need in described wear-resisting magnet steel layer by one joint two ends be concave spherical surface with one joint two ends be the wear-resisting magnet steel interlayer of convex spherical every layout.
Each length saving wear-resisting magnet steel layer is 30-70mm.
Described wear-resisting magnet steel layer selects the wear-resisting magnet steel of model SH series.
The beneficial effect of this programme is:
This flexible pipe is primarily of compositions such as wear-resisting magnet steel layer, elastometric lining layer, metal knitted stratum reticulare, outer cord and rubber layers, when coal dust by flexible pipe time its coal dust can with wear-resisting magnet steel close contact, coal dust is magnetized, when the coal dust be magnetized sprays from spray gun port, combustion temperature can reduce, therefore the Thorough combustion of coal dust is conducive to, particularly when pulverized coal injection into blast furna powder system is applied, can be conducive to improving coal powder blowing amount further, and then be conducive to reducing blast-furnace coke consumption, be conducive to improving blast furnace economic benefit.
And, adopt hose construction of the present invention, be combined to form a kind of newly not only can pulverized coal conveying but also the new-type of hose of coal dust can be magnetized, magnetization length can reach more than three times of device in background technique, 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 the spray gun of pulverized coal injection in blast furnace and conveyance conduit, coal dust is just magnetized before entering spray gun, so that improve coal combustion rate, this flexible pipe also may be used 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 progress 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 present invention's wear-resisting magnet steel layer, is the plan view of concave spherical surface one end, one end convex spherical;
Fig. 2 b is the left view of Fig. 2 a;
A kind of embodiment of Fig. 3 a the present invention wear-resisting magnet steel layer, 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 Fig. 4 a the present invention wear-resisting magnet steel layer, for two ends are all plan views of convex spherical;
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 technical characterstic of the present invention can be clearly demonstrated, 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 wear-resisting magnet steel layer 1, elastometric lining layer 2, metal knitted stratum reticulare 3, outer cord and rubber layer 4 from inside to outside; 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 spherically connected with wear-resisting magnet steel layer 1, the other end and inipple 7 are fixed, described inipple is used 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 outside described wear-resisting magnet steel layer 1, between elastometric lining layer 2 and outer cord and rubber layer 4, have metal knitted stratum reticulare 3.
One end of described carbon steel transit joint 5 spherically shape 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 selects 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 often saving wear-resisting magnet steel layer 1 be 30-70mm not etc.; And each saves the two ends all spherically shape of wear-resisting magnet steel layer 1.
As shown in Fig. 2 a, Fig. 2 b, wear-resisting magnet steel layer 1 one end of joint is convex spherical 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 convex spherical, as shown in Fig. 4 a, Fig. 4 b, described one joint wear-resisting magnet steel layer 1 be that two ends are concave spherical surface, then according to one joint two ends be convex spherical and one joint two ends be combinationally using of concave spherical surface.
As abrasion-resistant hose, can be that the wear-resisting magnet steel layer 1 of 3 kinds of structural types combinationally uses, as can be all one end convex spherical, the other end concave spherical surface situation; Also can save for being all convex spherical and by joint two ends the situation that two ends are concave spherical surface combination; Can also partly for one end be convex spherical, the other end is concave spherical surface, part is the situation that joint two ends are that convex spherical and joint two ends are concave spherical surface combination, and that is wherein the sphere situation of a certain joint wear-resisting magnet steel layer 1 is be selected from above-mentioned three kinds of situations wherein a kind of.
Coal dust is being just magnetized by during this flexible pipe, because the coal dust be magnetized can reduce combustion temperature, therefore, the Thorough combustion of coal dust can be conducive to when the coal dust be magnetized sprays from spray gun port, particularly when pulverized coal injection into blast furna powder system is applied, can be conducive to improving coal powder blowing amount further, be conducive to reducing blast-furnace coke consumption, be conducive to improving blast furnace economic benefit.
The present invention can pass through existing techniques in realizing without the technical characteristics described, 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 citing; the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement; as long as use the flexible pipe of band magnetic material at described spray gun linkage section, the protection domain of this patent all should be belonged to.

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 (1), elastometric lining layer (2), metal knitted stratum reticulare (3), outer cord and rubber layer (4), be followed successively by wear-resisting magnet steel layer (1), elastometric lining layer (2), metal knitted stratum reticulare (3), outer cord and rubber layer (4) from inside to outside; 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 spherically connected with wear-resisting magnet steel layer (1), the other end and inipple (7) are fixed, described inipple is used for being connected with spray gun and conveyance conduit, and described hose clamp (6) is for compressing carbon steel transit joint (5).
2. the abrasion-resistant hose for magnetizing coal dust according to claim 1, is characterized in that, described wear-resisting magnet steel layer (1) is made up of several sections of.
3. the abrasion-resistant hose for magnetizing coal dust according to claim 2, is characterized in that, each saves the two ends all spherically shape of wear-resisting magnet steel layer (1).
4. the abrasion-resistant hose for magnetizing coal dust according to claim 3, is characterized in that, one end that described each saves the wear-resisting magnet steel layer (1) of a joint in wear-resisting magnet steel layer (1) is convex spherical, and the other end is concave spherical surface.
5. the abrasion-resistant hose for magnetizing coal dust according to claim 3, is characterized in that, wear-resisting magnet steel layer (1) two ends that odd number joint or even number save in described wear-resisting magnet steel layer (1) are convex spherical or two ends are concave spherical surface.
6. the abrasion-resistant hose for magnetizing coal dust according to claim 5, is characterized in that, need joint two ends to be concave spherical surface in described wear-resisting magnet steel layer (1) and that joint two ends are convex spherical wear-resisting magnet steel layer (1) interval is arranged.
7. the abrasion-resistant hose for magnetizing coal dust according to claim 3, is characterized in that, each length saving wear-resisting magnet steel layer (1) is 30-70mm.
8. the abrasion-resistant hose for magnetizing coal dust according to claim 3, is characterized in that, described wear-resisting magnet steel layer (1) selects the wear-resisting magnet steel of model SH series.
CN201410101651.XA 2014-03-19 2014-03-19 A kind of abrasion-resistant hose for magnetizing coal dust Expired - Fee Related CN103912738B (en)

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

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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

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CN103912738B true CN103912738B (en) 2015-12-30

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
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
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

Citations (7)

* Cited by examiner, † Cited by third party
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
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

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Granted publication date: 20151230

Termination date: 20190319