CN203202577U - Sealing rubber membrane - Google Patents
Sealing rubber membrane Download PDFInfo
- Publication number
- CN203202577U CN203202577U CN 201320089064 CN201320089064U CN203202577U CN 203202577 U CN203202577 U CN 203202577U CN 201320089064 CN201320089064 CN 201320089064 CN 201320089064 U CN201320089064 U CN 201320089064U CN 203202577 U CN203202577 U CN 203202577U
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- China
- Prior art keywords
- rubber membrane
- caulking gum
- section
- gum film
- sealing rubber
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- Expired - Fee Related
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Abstract
The utility model relates to a sealing rubber membrane. The sealing rubber membrane is mainly characterized in that the sealing rubber membrane is a variable cross section, and the thickness of a wide cross section part of the upper portion of the sealing rubber membrane is larger than the thickness of a narrow cross section part of the lower portion of the sealing rubber membrane. The advantages of being easy to pull up and prone to deformation of the sealing rubber membrane used as a rubber product are used, the rubber membrane is designed to be in the type of the variable cross section, under the premise that gas seal can be completely met, consumption of materials is reduced, cost is reduced, and meanwhile, the stress condition of the upper part of the rubber membrane is optimized. The sealing rubber membrane has the advantages of being simple and practical, reliable and durable and low in cost, and can be used as a beneficial idea in the design of sealing rubber membranes for gas cabinets.
Description
Technical field:
The utility model relates to rubber diaphragm sealed field, in particular a kind of converter gas cabinet caulking gum film.
Background technique:
The recovery that the rubber mold sealed dry gas holder is widely used in iron and steel enterprise's coal gas of converter stores, and this gas cabinet has adopted the caulking gum film as main seal arrangement.The caulking gum film is as the critical component of converter gas cabinet, and its performance directly affects the operational effect of gas cabinet.Traditional converter gas cabinet caulking gum film is consistent in cross-wise direction.The side plate of caulking gum film and gas holder cabinet, T baffle plate and piston etc. are installed together, and press close to the inboard evenly distribution of side plate of cabinet.
For traditional coal gas of converter caulking gum film cashier's office in a shop that is widely used in, facts have proved that there are many defectives in it: (1) traditional caulking gum film is uniform section, because it is all very large to be applied in the length of coal gas of converter caulking gum film cashier's office in a shop, more common 10 ten thousand stere converter gas cabinets in the iron and steel enterprise for example, its outer rubber film length reaches more than 10 meters, deadweight also reaches 10 tons, and rubber membrane also inevitably produces distortion as typical rubber product in During Process of Long-term Operation.Comparatively common situation is, because the deadweight of rubber membrane, the pulling force that deadweight produces passes through transfer function, bottommost stretches minimum, and is more larger to upper pulling force, and near the pulling force that is subject to the fixed end of top is maximum, cause the top rubber membrane will be drawn high the most seriously, the length of whole rubber membrane is elongated, causes in the gas cabinet running, rubber membrane easily occurs and " is stepped on " situation below the T baffle plate.Simultaneously, stressed larger owing to the top rubber membrane is stretched, its sealability also there is certain impact; (2) though, traditional caulking gum film realized production domesticization fully, its cost is still very high, more common 10 ten thousand stere converter gas cabinets in the iron and steel enterprise for example, its rubber membrane weight reaches 15 tons, market price is up to more than 200 ten thousand yuan.
The model utility content:
The defects that exists in order to overcome traditional caulking gum film, the technical problems to be solved in the utility model is: a kind of caulking gum film more simple and practical, safe and reliable, with low cost is provided.
The utility model is to solve the problems of the technologies described above the technological scheme of taking to be:
A kind of caulking gum film, its major character is: the caulking gum film is variable cross section, and wide cross section, caulking gum film top segment thickness is greater than the thickness of narrow cross section, bottom part.
By technique scheme, the caulking gum film is fitted by 45 ° of intersections by the layer cords adhesive plaster and is formed; Rubber membrane contacts a side with air be the neoprene face, and contacting a side with coal gas is the nitrile butadiene rubber face.
By technique scheme, the intersection of the narrow cross section of top wide cross section part and bottom part is the gradual change interface, is arranged on 1/3～1/2 place that whole rubber membrane is positioned at the upper end.
By technique scheme, the gradual change interface is arranged on 1/3 place that whole rubber membrane is positioned at the upper end.
In the utility model, the design principle of caulking gum film is: under the requirement of satisfying the coal gas sealing, the rubber membrane bottom is thin as much as possible.Concrete, 10 common in iron and steel enterprise ten thousand stere converter gas cabinets are as example, and operating pressure is two stage pressures: 2.5,3.2kPa.According to the design of traditional caulking gum film then its thickness will be 3mm, be uniform section.If according to design of the present utility model, caulking gum film top thickness can be decided to be 3mm, the bottom is decided to be 2.5mm, like this, both guaranteed the sealability of caulking gum film, alleviated again the gross weight of caulking gum film, and the stressed of top seal rubber membrane will reduce also, being stretched causes sealing situation about breaking down and also will take a turn for the better.Because the design of variable cross section has alleviated the gross weight of caulking gum film, its cost also will reduce to some extent simultaneously.
The utility model has utilized the caulking gum film easily to draw high as rubber product, and yielding characteristics are designed to rubber membrane the form of variable cross section, under the prerequisite that can satisfy the coal gas sealing fully, reduce the consumption of material, reduced cost, optimized simultaneously the force-bearing situation of top rubber membrane.The utlity model has simple and practical, reliability and durability, with low cost characteristics, can be used as the useful thinking in the design of gas cabinet usefulness caulking gum film.
Description of drawings:
Fig. 1 is the sealing applications schematic diagram of caulking gum film;
Fig. 2 is a kind of converter gas cabinet of the present utility model caulking gum membrane structure schematic perspective view.
Fig. 3 is a kind of converter gas cabinet caulking gum film schematic cross-section (the A-A sectional view of Fig. 2) of the present utility model.
Wherein, 1---gas cabinet, 2---the T baffle plate, 3---the T barrier support, 4---piston baffle, 5---at the bottom of the cabinet, 6---the piston base plate, 7---the caulking gum film, 7.1---hanger, 7.2---the gradual change interface, 7.3---caulking gum film mounting hole, 7.4---wide cross section, top part; 7.5---narrow cross section, bottom part.
Embodiment:
Further specify this new embodiment below in conjunction with accompanying drawing.
Fig. 1 is the working principle schematic diagram of caulking gum film, as shown in Figure 1, caulking gum film described in the utility model is arranged in the gas cabinet 1, when coal gas enters gas cabinet, be positioned at the bottom conduct caulking gum film caulking gum film 7 and be positioned at the T baffle plate and the cabinet wall between at first stick out as the caulking gum film 7 of external sealed rubber membrane, under the effect of gas pressure, the caulking gum film rose in gas chamber piston drove, when rising to piston baffle 4 and be about to contact the position of T baffle plate 2, gas storage pressure in the gas cabinet reaches certain value, is the first order pressure of gas cabinet; If coal gas continues input, then piston baffle 4 meeting drive T baffle plates 2 and external sealed rubber membrane continue to rise, and at this moment the gas cabinet internal pressure will remain on maximum value, namely second level pressure.When coal gas was exported in the gas cabinet, piston baffle 4, T baffle plate 2 and interior caulking gum film and external sealed rubber membrane descended by contrary direction, finally reach original state.
Fig. 2 and Fig. 3 are a kind of converter gas cabinet of the present utility model caulking gum membrane structure schematic perspective view.Caulking gum film 7 tops are provided with hanger 7.1, and caulking gum film mounting hole 7.3 is set on the sealing surface, and the gradual change interface 7.2 of wide cross section, top part 7.4 and narrow cross section, bottom part 7.5 is at 1/3～1/2 place that is positioned at the upper end.Be 1/3 place, upper end among Fig. 2 and 3.
The caulking gum film is fitted by 45 ° of intersections by the layer cords adhesive plaster and is formed; The rubber membrane two sides is respectively neoprene (contacting a side with air) and nitrile butadiene rubber (contacting a side with coal gas).
As shown in Figure 3, caulking gum film 7 is variable cross section, and wide cross section, caulking gum film top part 7.4 thickness are greater than the thickness of narrow cross section, bottom part 7.5.When the varied in thickness of top and the bottom, the interface position can change.With common in the iron and steel enterprise, operating pressure is two stage pressures: 2.5, the 10 ten thousand stere converter gas cabinets of 3.2kPa are example, caulking gum film top thickness is decided to be 3mm, and the bottom is decided to be 2.5mm, and both interfaces are arranged on the upper side section 1/3rd places of approximately whole rubber membrane.Like this, both guaranteed the sealability of caulking gum film, and alleviated again the gross weight of caulking gum film, and the stressed of top seal rubber membrane also will reduce, being stretched causes sealing situation about breaking down and also will take a turn for the better.Because the design of variable cross section has alleviated the gross weight of caulking gum film, its cost also will reduce to some extent simultaneously.For example more common 10 ten thousand stere converter gas cabinets in the iron and steel enterprise reach 15 tons according to traditional rubber membrane weight, are 13 tons and adopt the weight of the variable cross section caulking gum film of the utility model recommendation.
Above embodiment is preferred embodiment of the present utility model, is not the utility model is done more restriction, and every foundation is done simple modification or the variation that is equal to and modification to technological essence of the present utility model, all still belongs to the scope of the utility model protection.
Claims (4)
1. caulking gum film, its major character is: the caulking gum film is variable cross section, and wide cross section, caulking gum film top segment thickness is greater than the thickness of narrow cross section, bottom part.
2. caulking gum film according to claim 1, its major character is: the caulking gum film is intersected to fit by 45 ° by the layer cords adhesive plaster and forms; Rubber membrane contacts a side with air be the neoprene face, and contacting a side with coal gas is the nitrile butadiene rubber face.
3. caulking gum film according to claim 1 and 2, its major character is: the intersection of the narrow cross section of top wide cross section part and bottom part is the gradual change interface, is arranged on 1/3～1/2 place that whole rubber membrane is positioned at the upper end.
4. caulking gum film according to claim 3, its major character is: the gradual change interface is arranged on 1/3 place that whole rubber membrane is positioned at the upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320089064 CN203202577U (en) | 2013-02-27 | 2013-02-27 | Sealing rubber membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320089064 CN203202577U (en) | 2013-02-27 | 2013-02-27 | Sealing rubber membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203202577U true CN203202577U (en) | 2013-09-18 |
Family
ID=49146684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320089064 Expired - Fee Related CN203202577U (en) | 2013-02-27 | 2013-02-27 | Sealing rubber membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203202577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240679A (en) * | 2015-10-29 | 2016-01-13 | 北京京诚泽宇能源环保工程技术有限公司 | Sealing rubber membrane suitable for low-pressure running, manufacturing method and cylinder type sealing rubber curtain |
-
2013
- 2013-02-27 CN CN 201320089064 patent/CN203202577U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240679A (en) * | 2015-10-29 | 2016-01-13 | 北京京诚泽宇能源环保工程技术有限公司 | Sealing rubber membrane suitable for low-pressure running, manufacturing method and cylinder type sealing rubber curtain |
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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: 20130918 Termination date: 20170227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |