CN86207692U - High pressure oxygen rubber pipe for converter - Google Patents
High pressure oxygen rubber pipe for converter Download PDFInfo
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- CN86207692U CN86207692U CN 86207692 CN86207692U CN86207692U CN 86207692 U CN86207692 U CN 86207692U CN 86207692 CN86207692 CN 86207692 CN 86207692 U CN86207692 U CN 86207692U CN 86207692 U CN86207692 U CN 86207692U
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- oxygen
- high pressure
- rubber
- converter
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- Expired - Lifetime
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Abstract
The utility model discloses an oxygen blowing rubber pipe belonging to a flexibility tool of conveying the oxygen in high pressure, used for connecting the oxygen gun of an oxygen-top blowing converter and an oxygen source, comprising a flange joint, an inner rubber layer, an enhancement layer, an end reinforced layer, an end rubber sheet, an end strengthening layer, a skeleton layer, a middle rubber layer and an outer rubber layer. The operating pressure is 15 to 20 kg/cm+ [2] and the vacuum degree is 600 mm Hg and the resisted radiation temperature of the converter is higher than 250 DEG. Compared with the common water sucking pipe, the utility model has the advantages of long service life, safe operation, convenient replacement, heat proofing, fatigue proofing and aging resistance and is suitable for the oxygen blowing and water supply in high pressure of the converter from 120 to 150 tons.
Description
The oxygen blast sebific duct that the utility model provides is the compliant tool that is used to connect a kind of high-pressure delivery oxygen of the oxygen rifle of pure oxygen top blast steelmaking converter and oxygen source.
Existing oxygen blast sebific duct mainly replaces with common defeated, the water suction hose of selling on the market.It is made up of inner glue layer, enhancement layer, framework layer, mesoglea, outer glue-line.Be connected between converter oxygen gun and the oxygen source, be suspended to the top of converter, when converter was worked, sebific duct descended with the oxygen rifle, and the end of its oxygen rifle is in the feeding stove suitable for reading of converter, and high pressure blows oxygen.When converter quit work, sebific duct rose with the oxygen rifle, was suspended to the top of converter.But, this sebific duct in use has such problem: its enhancement layer (3), (12), all adopting with the cotton fabric rubber is main material, be bonded between inner glue layer (2) and the framework layer (10) respectively and between mesoglea (11) and the outer glue-line (13), therefore, compressive strength is lower, and working pressure surpasses 10kg/cm
2Just easily explosion or damage, body need often be done mechanical motion, and the flexural fatigue performance is also very poor.This sebific duct is not also because of two ends have flanged joint, thereby fixing difficulty.Besides its radiation temperature is often up to more than 250 ℃ when pneumatic steelmaking and tapping, and existing sebific duct is antioxygen, thermo-labile, not anti-combustion neither, and is dangerous again in the work, needs often to change, and very inconvenient, the life-span is short, influence working efficiency or steel-making quality.Therefore, this sebific duct replaces the oxygen blast sebific duct to use shortcoming a lot.
Through preliminary search, there is not to find to have the file of same technical characteristics, so the utility model is different from prior art with the utility model.
The purpose of this utility model, be to provide a kind of improved, can replace the flexible sebific duct of a kind of special high-pressure delivering oxygen of being connected between oxygen rifle and the oxygen source of pure oxygen top blast steelmaking converter of common defeated, water suction hose, it can not only be fastened between oxygen rifle and the oxygen source, with 16kg/cm
2Oxygen blast when above high pressure is converter work.Anti-flexural fatigue, anti-hyperthermia radiation more than 250 ℃, the antioxygen flame retardant property is strong, and is safe in utilization, and the life-span is long, and easy to manufacture, and is simple to operate, and disassembling, assembling and replacing is convenient, high working efficiency, cost is low.
Steelmaking converter of the present utility model high pressure oxygen blast sebific duct, it forms black or other look middle corrugated by flanged joint (1), inner glue layer (2), enhancement layer (3), (6), (12), end back-up coat (4), (8), end film (5), (9), end reinforcement layer (7), framework layer (10), mesoglea (11) and outer glue-line (13), the flanged joint of two ends tack, the whippy rubber product of body.
Its manufacture method is: on the outer channel surface of flanged joint (1), by its structural order by arrange successively from the inside to the outside inner glue layer (2), enhancement layer (3), end back-up coat (4), end film (5), enhancement layer (6), end reinforcement layer (7), end back-up coat (8), end film (9), framework layer (10), mesoglea (11), enhancement layer (12) and and outer glue-line (13), through moulding, vulcanize and form.
Above-mentioned flanged joint (1) is to be processed into thick sheet metal and thick-wall metal pipes, the assembling build-in, the sandblast scale removal, bonding with the end internal surface of inner glue layer (2), end back-up coat (4), (8) be to form with close the twining of wire, framework layer (10) is that helical metal belongs to line, enhancement layer (3), (6) and end reinforcement layer (7) adopt cord calendering rubberizing to make, enhancement layer (12) adopts cotton fabric rubber, inner glue layer (2), end film (5), (9), mesoglea (11) and outer glue-line (13) contain natural rubber or synthetic rubber or natural rubber and synthetic rubber and in order to and other rubber chemicals.
Its forming manufacture technique process realizes by following structural order: the mixing of rubber heat refining.The film calendering, cord rubberizing and cotton fabric rubber severing, the iron core separant coating, it is mutually bonding with inner glue layer (2) with rubber cement and coating and bonding glue that flanged joint (1) sandblast scale removal applies lek sodium, at least six unidirectional nylon cord rubberizing enhancement layers (3), closely twine metal wire ends back-up coat (4) and be coated with rubber cement, coat end film (5), at least six unidirectional nylon cord rubberizing enhancement layers (6), at least two unidirectional nylon cord rubberizing end reinforcement layers (7), the close metal wire ends back-up coat (8) that twines, coat end film (9), winding screw shape wire framework layer (10), bag mesoglea (11), cotton fabric rubber enhancement layer (12) and outer glue-line (13), sulfuration formed in 30 minutes to 100 minutes in 140 ℃ to 160 ℃ horizontal vulcanizer.
The utility model oxygen blast sebific duct, it only needs to twine with wire is close at common two ends defeated, water suction hose, the nylon cord rubberizing reinforcement of high strength, and the end film is reinforced a kind of metal flange joint, enhancement layer adopts nylon cord rubberizing and cotton fabric rubber, and outer glue-line adopts antioxygen heat-resisting.The synthetic rubber of anti-combustion and compounding ingredient thereof, its effect is: stationarity is good, the compressive strength height, working pressure reaches 16kg/cm
2To 25kg/cm
2, degree of vacuum is 600 millimeter of mercury, can the converter radiation temperature up to 250 ℃ to 350 ℃ mal-condition under proper functioning.Compared with the prior art, also have advantages such as the anti-combustion of antioxygen, endurance, heat-proof aging, long service life, handling safety, disassembling, assembling and replacing convenience, simultaneously easy to manufacture, simple to operate, high working efficiency, cost is low.
Below with reference to accompanying drawing the utility model is described in further detail.
Fig. 1 is according to the half sectional view of the steelmaking converter that the utility model proposes with high pressure oxygen blast sebific duct.
Fig. 2 is the partial enlarged drawing of Fig. 1.
1, flanged joint; 2, inner glue layer; 3, enhancement layer; 4, end back-up coat; 5, end film; 6, enhancement layer; 7, end reinforcement layer; 8, end back-up coat; 9, end film; 10, framework layer; 11, mesoglea; 12, enhancement layer; 13, outer glue-line.
Use condition of the present utility model is: one time three, be screwed respectively between converter oxygen gun and oxygen source, between oxygen rifle and the cooling water source, between oxygen rifle and the cesspool, be suspended in the sky of converter, tortuosity is not less than three meters.When converter was worked, sebific duct one end and oxygen rifle descended, and the underpart of its oxygen rifle is from the feeding stove inner high voltage suitable for reading oxygen blast of converter.Hot water in oxygen supply rifle conveying cooling water and the timely discharge oxygen rifle is in cesspool simultaneously.When converter quit work, sebific duct and oxygen rifle rose, and were suspended to the converter top.
Embodiment is as follows:
Flanged joint among Fig. 2 (1), wherein: thick 26 millimeters of flange, 160 millimeters of internal diameters, 310 millimeters of external diameters, long 420 millimeters of joint, 136 millimeters of internal diameters, 160 millimeters of external diameters, 60 millimeters of groove pitch, 12 millimeters of groove depths, thick 10 millimeters of flange dop, 169 millimeters of diameters.Adopt the steel pipe of 33 to 40 millimeters of thick 26 to 30 millimeters steel plate and wall thickness to be processed into, the assembling build-in, the sandblast scale removal applies lek sodium and rubber cement, and inner glue layer (2) is bonding among bag adhesive glue and Fig. 2.
Inner glue layer among Fig. 2 (2), end film (5), (9), mesoglea (11), outer glue-line (13) select for use the good natural rubber of heat-resisting, the anti-combustion of antioxygen, physical and mechanical properties such as ageing-resistant or synthetic rubber or natural rubber and synthetic rubber and with and other rubber chemicals be processed into glue stuff compounding.Sizing material is the heat refining slice in use, and the condition of heat refining is: equipment is 400 millimeters to 450 millimeters mills, and capacity is 60 to 100 kilograms, and gap is 1 to 6 millimeter.The roller temperature is 35 to 40 ℃ of preliminary rollers, 35 to 45 ℃ on back roller.Be no more than 12 kilograms for three-line machine calendering section volume glue, be no more than 10 minutes standing time.Three-line machine slice temperature is: upper roller is 40 ℃ to 45 ℃, and middle roller is 35 ℃ to 40 ℃, and lower roller is a normal temperature.Offset tool of the extension of extruded sheet more than 20 millimeters is cut into 45 hypotenuses of spending.Surpass the extension two sides offset tool more than 30 millimeters, add bosh in the middle of slice is batched and cool off, water temperature is not higher than 18 ℃, and the film storage period is no less than 2 hours, is cut into following specification then:
Inner glue layer among Fig. 2 (2) thickness is 3.0 ± 0.1 millimeters, and width is 445 ± 3.0 millimeters, and length is 8 to 15 meters.
Mesoglea among Fig. 2 (11) thickness is 2.0 ± 0.1 millimeters, and width is 300 ± 3.0 millimeters, and length is 8 to 15 meters.
Fig. 2 China and foreign countries glue-line (13) thickness is 1.5 ± 0.1 millimeters, and width is 310 ± 3.0 millimeters, and length is 8 to 15 meters.
End film (5), (9) thickness among Fig. 2 are 2.0 ± 0.1 millimeters, and width is 300 millimeters to 445 millimeters, and length is 570 millimeters.
Enhancement layer among Fig. 2 (3), (6) and end reinforcement layer (7) adopt the nylon cord rubberizing of high strength.The severing width tolerance: more than 400 millimeters being ± 6 millimeters, is ± 4 millimeters below 400 millimeters, and the severing angle is 54 degree, 44 minutes ± 1 degree, and width is 470 millimeters, 490 millimeters, 510 millimeters, 530 millimeters, 550 millimeters, 570 millimeters, and length is 1 meter to 15 meters.
End back-up coat (4) among Fig. 2, (8) are to be 2.0 millimeters close the twining of galvanized metal line with diameter.
It is to be wound in helical on 4.0 millimeters the enhancement layer (6) of No. 45 middle-carbon steel lines in Fig. 2 that framework layer among Fig. 2 (10) adopts diameter.
Enhancement layer among Fig. 2 (12) adopts the cotton fabric rubber, and the severing angle is 45 degree, and width is 610 millimeters, and length is 8 meters to 15 meters, and the storage period must not be above 72 hours.
Moulding then, sulfuration form.
Molding process by the structural order in the accompanying drawing 2 is: flanged joint (1), inner glue layer (2), enhancement layer (3), end back-up coat (4), end film (5), enhancement layer (6), end reinforcement layer (7), end back-up coat (8), end film (9), framework layer (10), mesoglea (11), enhancement layer (12), outer glue-line (13).
The condition of sulfuration is: equipment is horizontal vulcanizer, and specification is: 1 meter to 2 meters of diameter, length are 10 meters to 20 meters.Vapor pressure is 3kg/cm
2To 5kg/cm
2± 0.2kg/cm
2, temperature be 143 the degree to 160 the degree, the time is 30 minutes to 100 minutes.
This sebific duct specification, internal diameter are 76 millimeters to 133 millimeters, and external diameter is about 105 millimeters to 174 millimeters, and length is 8 meters to 15 meters, and working pressure is 15kg/cm
2To 20kg/cm
2, degree of vacuum is 600 millimeter of mercury, is applicable to 120 tons to 150 tons pure oxygen top blast steelmaking converter high pressure oxygen blast water deliverys.
Claims (3)
1, a kind of pure oxygen top blast steelmaking converter high pressure oxygen blast sebific duct, it is by inner glue layer [2], enhancement layer [3], [12], framework layer [10], mesoglea [11] and outer glue-line [13] are formed, it is characterized in that: on the outer channel surface of the flanged joint [1] at high pressure oxygen blast sebific duct two ends, be disposed in order inner glue layer [2] from inside to outside, enhancement layer [3], end back-up coat [4], end film [5], enhancement layer [6], end reinforcement layer [7], end back-up coat [8], end film [9], framework layer [10], mesoglea [11], enhancement layer [12] and outer glue-line [13], and through moulding, sulfuration and become one.
2, high pressure oxygen blast sebific duct according to claim 1, it is characterized in that flanged joint (1) is to be processed into thick sheet metal and thick-wall metal pipes, the assembling build-in, the sandblast scale removal, mutually bonding with the end internal surface of inner glue layer (2), end back-up coat (4), (8) are to form with close the twining of wire, and framework layer (10) is the helical metal line, enhancement layer (3), (6) and end reinforcement layer (7) adopt the cord rubberizing, and enhancement layer (12) adopts the cotton fabric rubber.
3, high pressure oxygen blast sebific duct according to claim 1 and 2, it is characterized in that inner glue layer (2), end film (5), (9), mesoglea (11) and outer glue-line (13) contain natural rubber or synthetic rubber or natural rubber and synthetic rubber and in order to and other rubber chemicals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86207692 CN86207692U (en) | 1986-09-27 | 1986-09-27 | High pressure oxygen rubber pipe for converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86207692 CN86207692U (en) | 1986-09-27 | 1986-09-27 | High pressure oxygen rubber pipe for converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86207692U true CN86207692U (en) | 1987-09-02 |
Family
ID=4810064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86207692 Expired - Lifetime CN86207692U (en) | 1986-09-27 | 1986-09-27 | High pressure oxygen rubber pipe for converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86207692U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179831A (en) * | 2015-08-20 | 2015-12-23 | 山东悦龙橡塑科技有限公司 | Hose assembly applied to replenishment and crossover conveying system of marine drilling platform and manufacturing method of hose assembly |
| CN109307111A (en) * | 2018-12-11 | 2019-02-05 | 台州大象橡胶有限公司 | A kind of braided steel wire special type sand-blast hose and its technique |
| CN112455031A (en) * | 2020-12-02 | 2021-03-09 | 上海华林特种胶管有限公司 | Method for manufacturing oxygen blowing rubber tube of oxygen lance of steel converter |
| CN112646278A (en) * | 2020-12-02 | 2021-04-13 | 上海华林特种胶管有限公司 | Method for vulcanizing oxygen lance cooling water rubber pipe of steel-making converter |
-
1986
- 1986-09-27 CN CN 86207692 patent/CN86207692U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179831A (en) * | 2015-08-20 | 2015-12-23 | 山东悦龙橡塑科技有限公司 | Hose assembly applied to replenishment and crossover conveying system of marine drilling platform and manufacturing method of hose assembly |
| CN109307111A (en) * | 2018-12-11 | 2019-02-05 | 台州大象橡胶有限公司 | A kind of braided steel wire special type sand-blast hose and its technique |
| CN112455031A (en) * | 2020-12-02 | 2021-03-09 | 上海华林特种胶管有限公司 | Method for manufacturing oxygen blowing rubber tube of oxygen lance of steel converter |
| CN112646278A (en) * | 2020-12-02 | 2021-04-13 | 上海华林特种胶管有限公司 | Method for vulcanizing oxygen lance cooling water rubber pipe of steel-making converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |