CN105219902A - Blast furnace cooling stave pressure testing rapid-acting coupling and using method - Google Patents
Blast furnace cooling stave pressure testing rapid-acting coupling and using method Download PDFInfo
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- CN105219902A CN105219902A CN201410235442.4A CN201410235442A CN105219902A CN 105219902 A CN105219902 A CN 105219902A CN 201410235442 A CN201410235442 A CN 201410235442A CN 105219902 A CN105219902 A CN 105219902A
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- cooling stave
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Abstract
A kind of rapid-acting coupling for water tube for cooling wall of blast furnace pressure testing, comprise sleeve pipe (1), web member (3) and crimp sleeve (4), it is characterized in that: described sleeve pipe (1) is by steel pipe manufacturing, inside is provided with plastics tubing inner bushing ring (7), one end of sleeve pipe (1) circumferentially evenly arranges several fixed bolt holes, the other end pipe outer wall is provided with screw thread, and the inner bushing ring (7) of described sleeve pipe (1) is inserted in the end of cooling stave water pipe (9); Described web member (3), inside is provided with through hole, and the pipe outer wall interval, one end of web member arranges some ring-like ribs, and the other end is arranged to disk; One end of described web member (3) is also furnished with the crimp sleeve (4) of the steel pipe manufacturing of flexible connection; Sebific duct (5) is inserted in web member (3) one end.It is simple that rapid-acting coupling for blast furnace cooling stave pressure testing of the present invention and using method have joint design, is easy to processing and fabricating, jiont treatment, convenient disassembly and reusable advantage.
Description
Technical field
The present invention relates to a kind of pressure testing device, specifically, is a kind of rapid-acting coupling for blast furnace cooling stave pressure testing and using method.
Background technology
Along with the change of global resources, the energy and economic situation, blast furnace technology enters a brand-new transform time, blast furnace maximization is the mainstream development direction of Ironmaking Technology At Home And Abroad, blast furnace cooling stave supporting is with it the important water-cooled part of blast furnace lining, be arranged on the positions such as the shaft of blast furnace, furnace bosh, bosh, cupola well, cooling stave not only bears high temperature, also bear the wearing and tearing of furnace charge, the washing away of the erosion of slag and Gas Flow, it must possess the over-all propertieies such as good high-temperature capability, heat shock resistance, anti-rapid heat cycle.
Cooling stave has to pass through the water test in installation with before using, confirm water-tight after can install, and the cooling stave of every blast furnace, small furnace needs hundreds of block, and Large Scale BF needs thousands of pieces.Along with progressively eliminating of small furnace, blast furnace maximizes gradually, and its cooling stave water pipe is enter the steel pipe or copper pipe that have more more, and work pressure test amount increases several times than small furnace.On the other hand, at blast furnace construction period, workyard is limited, and work pressure test is carried out very difficult, and the loading test effect of known pressure testing device and inefficiency, and delay the progress of cooling stave installation.
Therefore known blast furnace cooling stave pressure testing device and method also exist above-mentioned all inconvenience and problem.
Summary of the invention
Object of the present invention, be to propose a kind of structure simple, easy accessibility, can reuse the blast furnace cooling stave pressure testing rapid-acting coupling short with the pressure testing time.
Another object of the present invention, be to propose a kind of structure simple, easy accessibility, can reuse the using method of the blast furnace cooling stave pressure testing rapid-acting coupling short with the pressure testing time.
For achieving the above object, technical solution of the present invention is:
For a rapid-acting coupling for water tube for cooling wall of blast furnace pressure testing, comprise sleeve pipe, web member and crimp sleeve, it is characterized in that:
Described sleeve pipe is by steel pipe manufacturing, cylindrically, inside is provided with plastics tubing inner bushing ring, one end of sleeve pipe circumferentially evenly arranges several fixed bolt holes, and car is provided with screw thread in hole, the other end pipe outer wall is provided with screw thread, and the inwall screw thread of the pipe cap that the end of described pipe outer wall screw thread and described sleeve pipe is arranged matches, and pipe cap outer wall is welded with two corresponding handles arranged; The inner bushing ring of described sleeve pipe is inserted in the end of the water tube for cooling wall of blast furnace treating pressure testing;
Described web member is made by round steel, and in " industry " shape, inside is provided with through hole, and the pipe outer wall interval, one end of web member arranges some ring-like ribs, and the other end is arranged to disk, and described disk can movablely embed in pipe cap; One end of described web member is also furnished with the crimp sleeve of the steel pipe manufacturing of flexible connection, and its inside pipe wall is provided with ring-like ribs; Sebific duct is inserted in web member one end, and the interior outside of sebific duct engages each other to sting by the fin of web member and crimp sleeve and fastens; The disk of the web member in described pipe cap and treat pressure testing water tube for cooling wall of blast furnace end between be provided with rubber sheet gasket.
Rapid-acting coupling for blast furnace cooling stave pressure testing of the present invention can also be further achieved by the following technical measures.
The aforesaid rapid-acting coupling for blast furnace cooling stave pressure testing, the external diameter of wherein said web member is determined according to the internal diameter of test pump water pipe.
The aforesaid rapid-acting coupling for blast furnace cooling stave pressure testing, wherein said sebific duct is folder cloth hydraulic rubber pipe, selects corresponding high-pressure rubber hose according to test pressure.
The aforesaid rapid-acting coupling for blast furnace cooling stave pressure testing, wherein said inner bushing ring is made by plastics tubing, and its underpart circumferentially evenly arranges some U-shaped open slots apart from port.
For a using method for the rapid-acting coupling of blast furnace cooling stave pressure testing, it is characterized in that comprising the following steps:
A, the dust on cooling stave water pipe, cleaning oil pollution is clean, and with sharpening machine, the burr of the mouth of pipe, overlap are polished flat;
B, web member and crimp sleeve, sebific duct are penetrated pipe cap, make web member disk and pipe cap plane contact, the other end of sebific duct is connected with test pump;
The disk of c, web member in pipe cap and treat pressure testing water tube for cooling wall of blast furnace end between insert rubber sheet gasket;
D, inner bushing ring is put into sleeve pipe, and make the one end with U-lag front;
E, sleeve pipe and inner bushing ring rotated be screwed in pipe cap, to contact gently with pad with one end and be advisable;
F, by composition fitting sleeve on cooling stave water pipe, 4 standing bolts are screwed in sleeve pipe, joint are fixed on cooling stave water pipe;
G, finally rotate the handle of pipe cap, make the mouth of pipe close contact of pad and cooling stave water pipe;
H, when after the complete one piece of cooling stave of pressure testing, circle round pipe cap handle a little, then 4 standing bolts on sleeve pipe that come loose, and can unload whole joint;
I, whole joint is moved to next block cooling stave, repeating step f ~ h, the test of remaining cooling stave can be completed.
After adopting technique scheme, the rapid-acting coupling for blast furnace cooling stave pressure testing of the present invention and using method have the following advantages:
1, quick coupling structure is simple, is easy to processing and fabricating;
2, rapid-acting coupling installation, convenient disassembly, reusable;
3, the cooling stave pressure testing time is shortened, accelerating construction progress;
4, pressure testing process is water-tight, ensure that the pressure testing quality of cooling stave.
Accompanying drawing explanation
Fig. 1 is the joint schematic diagram of the embodiment of the present invention;
Fig. 2 is the joint A-A sectional view in Fig. 1;
Fig. 3 is the joint B-B sectional view in Fig. 1;
In figure: 1 sleeve pipe, 2 pipe caps, 3 web members, 4 crimp sleeves, 5 sebific ducts, 6 pads, 7 inner bushing rings, 8 bolts, 9 cooling stave water pipes, 10 handles.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Embodiment 1
For the rapid-acting coupling of blast furnace cooling stave pressure testing
Now refer to Fig. 1 ~ Fig. 3, Fig. 1 is the joint schematic diagram of the embodiment of the present invention; Fig. 2 is the rapid-acting coupling A-A sectional view for blast furnace cooling stave pressure testing of the embodiment of the present invention; Fig. 3 is the B-B sectional view of embodiment of the present invention rapid-acting coupling.As shown in the figure, described sleeve pipe 1 is by φ 54 × 3mm steel pipe manufacturing, and cylindrically, its underpart circumferentially evenly arranges 4 φ 8mm fixed bolt holes, and in-use automotive bed car in hole goes out screw thread; Screw thread is being gone out apart from the long scope inner sleeve of upper end 1.5cm;
Described pipe cap 2 is made by φ 60 × 4mm steel pipe and steel plate, and in nut shape, internal sleeve has screw thread, and one end is welded with the thick ring steel plate of 3mm, and ring steel plate diameter of bore is φ 40mm, and pipe cap bottom is symmetrical arranged two φ 10 round steel handles, long 120mm.
Described web member 3 is processed by φ 45 round steel, in " industry " shape, and long 46mm, inner car goes out the through hole of φ 16mm, and the pipe of φ 22 × 4mm is processed in its one end, within the scope of distance pipe port 27mm, pipe outer wall is processed into ring-type to dash forward rib, rib height 1.5mm, totally three roads, and go out one ring-like ribs at middle vehicle, rib width 3mm, rib height 5mm, the other end is processed into the dish of external diameter φ 45mm, coils thick 3mm.
Described crimp sleeve 4 φ 38 × 3mm weldless steel tube is made, long 27mm, goes out prominent rib circlewise, prominent rib height 1.5mm, totally four roads with lathe at inside pipe wall car.
After above-mentioned web member 3 machines, sebific duct 5 is inserted on web member 3, puts down crimp sleeve 4, then with hydropress, crimp sleeve 4 is extruded, the prominent rib of web member 3 and crimp sleeve 4 is engaged each other, thus fixing sebific duct 5.
Described sebific duct 5 is that φ 30 × 4mm presss from both sides cloth hydraulic rubber pipe;
Described pad 6 is the thick rubber sheet gasket of φ 30 × 8mm, and centre arranges through hole, and diameter is φ 16mm.
Described inner bushing ring 7 is made by φ 48 × 2.5mm plastics tubing, and its underpart circumferentially evenly arranges 4 U-shaped open slots, groove width 9mm, dark 12mm within the scope of port one 2mm.
Embodiment 2
For the using method of the rapid-acting coupling of blast furnace cooling stave pressure testing
For the using method of the rapid-acting coupling of blast furnace cooling stave pressure testing, it is characterized in that comprising the following steps:
A, the dust on cooling stave water pipe 9, cleaning oil pollution is clean, and with sharpening machine, the burr of the mouth of pipe, overlap are polished flat;
B, web member 3 and crimp sleeve 4, sebific duct 5 are penetrated pipe cap 2, make web member dish and pipe cap 2 plane contact, the other end of sebific duct 5 is connected with test pump.
The disk of the web member c. in pipe cap and treat pressure testing water tube for cooling wall of blast furnace end between insert rubber sheet gasket 6;
D. inner bushing ring 7 is put into sleeve pipe 1, and make one end of U-lag above;
E. sleeve pipe 1 and inner bushing ring 7 being rotated is screwed in pipe cap 2, to contact gently be advisable with one end with pad;
F. by composition fitting sleeve on cooling stave water pipe 9,4 standing bolts are screwed in sleeve pipe 1;
G. finally rotate pipe cap 2 handle, make the mouth of pipe close contact of pad 6 and cooling stave water pipe 9.
H. when after the complete one piece of cooling stave of pressure testing, circle round pipe cap 2 handle a little, then 4 standing bolts on cover 1 that come loose, and can unload whole joint;
I. whole joint is moved to next block cooling stave, repeating step f ~ h, the test of remaining cooling stave can be completed.
The using method of the rapid-acting coupling for blast furnace cooling stave pressure testing of the present invention, installation, convenient disassembly, reusable, efficiency is high, shortens the test period of cooling stave, installs and creates condition, thus shorten the time of blast furnace installation for cooling stave.
The present invention has substantive distinguishing features and significant technical progress, rapid-acting coupling for blast furnace cooling stave pressure testing of the present invention, the test pressure of cooling stave can be made to meet design and code requirement, and it is water-tight in process of the test, do not reduce pressure, can detect whether cooling stave internal pipeline exists hidden leakage defect fast.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or change.Therefore, all equivalent technical schemes also should belong to category of the present invention, should be limited by each claim.
Claims (5)
1., for a rapid-acting coupling for water tube for cooling wall of blast furnace pressure testing, comprise sleeve pipe (1), web member (3) and crimp sleeve (4), it is characterized in that:
Described sleeve pipe (1) is by steel pipe manufacturing, cylindrically, inside is provided with plastics tubing inner bushing ring (7), one end of sleeve pipe (1) circumferentially evenly arranges several fixed bolt holes, and car is provided with screw thread in hole, the other end pipe outer wall is provided with screw thread, and the inwall screw thread of the pipe cap (2) that the end of described pipe outer wall screw thread and described sleeve pipe (1) is arranged matches, and pipe cap outer wall is welded with two corresponding handles (10) arranged; The inner bushing ring (7) of described sleeve pipe (1) is inserted in the end of the water tube for cooling wall of blast furnace (9) treating pressure testing;
Described web member (3) is made by round steel, and in " industry " shape, inside is provided with through hole, and the pipe outer wall interval, one end of web member arranges some ring-like ribs, and the other end is arranged to disk, and described disk can movablely embed in pipe cap (2); One end of described web member (3) is also furnished with the crimp sleeve (4) of the steel pipe manufacturing of flexible connection, and its inside pipe wall is provided with ring-like ribs; Sebific duct (5) is inserted in web member (3) one end, and the interior outside of sebific duct (5) engages each other to sting by the fin of web member (3) and crimp sleeve (4) and fastens; The disk of the web member (3) in described pipe cap (2) and treat pressure testing water tube for cooling wall of blast furnace (9) end between be provided with rubber sheet gasket (6).
2., as claimed in claim 1 for the rapid-acting coupling of blast furnace cooling stave pressure testing, it is characterized in that, the external diameter of described web member (3) is determined according to the internal diameter of test pump water pipe.
3. as claimed in claim 1 for the rapid-acting coupling of blast furnace cooling stave pressure testing, it is characterized in that, described sebific duct (5) is folder cloth hydraulic rubber pipe, selects corresponding high-pressure rubber hose according to test pressure.
4. as claimed in claim 1 for the rapid-acting coupling of blast furnace cooling stave pressure testing, it is characterized in that, described inner bushing ring (7) is made by plastics tubing, and its underpart circumferentially evenly arranges some U-shaped open slots apart from port.
5., for a using method for the rapid-acting coupling of blast furnace cooling stave pressure testing, it is characterized in that comprising the following steps:
A, the dust on cooling stave water pipe (9), cleaning oil pollution is clean, and with sharpening machine, the burr of the mouth of pipe, overlap are polished flat;
B, web member (3) and crimp sleeve (4), sebific duct (5) are penetrated pipe cap (2), make web member disk and pipe cap (2) plane contact, the other end of sebific duct is connected with test pump;
The disk of c, web member (3) in pipe cap (2) and treat pressure testing water tube for cooling wall of blast furnace (9) end between insert rubber sheet gasket (6);
D, inner bushing ring (7) is put into sleeve pipe (1), and make the one end with U-lag front;
E, sleeve pipe (1) and inner bushing ring (7) rotated be screwed in pipe cap (2), to contact gently with pad (6) with one end and be advisable;
F, by composition fitting sleeve on cooling stave water pipe (9), 4 standing bolts are screwed in sleeve pipe (1), joint are fixed on cooling stave water pipe (9);
G, finally rotate the handle (10) of pipe cap (2), make the mouth of pipe close contact of pad (6) and cooling stave water pipe (9);
H, when after the complete one piece of cooling stave of pressure testing, circle round pipe cap (2) handle a little, then 4 standing bolts on the sleeve pipe that comes loose (1), can unload whole joint;
I, whole joint is moved to next block cooling stave, repeating step f ~ h, the test of remaining cooling stave can be completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410235442.4A CN105219902B (en) | 2014-05-30 | 2014-05-30 | Blast furnace cooling stave pressure testing snap joint and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410235442.4A CN105219902B (en) | 2014-05-30 | 2014-05-30 | Blast furnace cooling stave pressure testing snap joint and application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105219902A true CN105219902A (en) | 2016-01-06 |
| CN105219902B CN105219902B (en) | 2017-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410235442.4A Active CN105219902B (en) | 2014-05-30 | 2014-05-30 | Blast furnace cooling stave pressure testing snap joint and application method |
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| Country | Link |
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| CN (1) | CN105219902B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021232822A1 (en) * | 2020-05-16 | 2021-11-25 | 汕头华兴冶金设备股份有限公司 | Reinforced structure of water inlet and outlet pipe of cooling wall |
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| CN201844951U (en) * | 2010-09-29 | 2011-05-25 | 上海宝冶集团有限公司 | Quick pressure testing device of water tube for cooling wall of blast furnace |
| CN201875326U (en) * | 2010-12-10 | 2011-06-22 | 中国二十二冶集团有限公司 | Pressure testing device for single component of water cooled wall of blast furnace |
| CN202175684U (en) * | 2011-07-16 | 2012-03-28 | 中国十七冶集团有限公司 | Simple and convenient pressure-testing device of blast furnace cooling wall |
| CN204039423U (en) * | 2014-07-16 | 2014-12-24 | 宝山钢铁股份有限公司 | Blast furnace open circuit water port recoil tightness system |
-
2014
- 2014-05-30 CN CN201410235442.4A patent/CN105219902B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201844951U (en) * | 2010-09-29 | 2011-05-25 | 上海宝冶集团有限公司 | Quick pressure testing device of water tube for cooling wall of blast furnace |
| CN201875326U (en) * | 2010-12-10 | 2011-06-22 | 中国二十二冶集团有限公司 | Pressure testing device for single component of water cooled wall of blast furnace |
| CN202175684U (en) * | 2011-07-16 | 2012-03-28 | 中国十七冶集团有限公司 | Simple and convenient pressure-testing device of blast furnace cooling wall |
| CN204039423U (en) * | 2014-07-16 | 2014-12-24 | 宝山钢铁股份有限公司 | Blast furnace open circuit water port recoil tightness system |
Non-Patent Citations (2)
| Title |
|---|
| 刘伟 等: "新型冷却壁试压装置的设计与应用", 《2012年全国炼铁原料技术创新与烧结低温余热利用技术研讨会 会议论文集》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021232822A1 (en) * | 2020-05-16 | 2021-11-25 | 汕头华兴冶金设备股份有限公司 | Reinforced structure of water inlet and outlet pipe of cooling wall |
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| CN105219902B (en) | 2017-06-30 |
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