CN206988671U - A kind of heat-insulated chimney expanded telescopic joint of antiseep - Google Patents
A kind of heat-insulated chimney expanded telescopic joint of antiseep Download PDFInfo
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- CN206988671U CN206988671U CN201720941981.9U CN201720941981U CN206988671U CN 206988671 U CN206988671 U CN 206988671U CN 201720941981 U CN201720941981 U CN 201720941981U CN 206988671 U CN206988671 U CN 206988671U
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- heat
- gum sleeve
- telescopic joint
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- antiseep
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Abstract
The utility model provides a kind of heat-insulated chimney expanded telescopic joint of antiseep, and solving above-mentioned flue the compensator existing poor and flimsy problem of easy to leak, heat-insulation and heat-preservation, technical scheme under complex environment is：Including ripple type gum sleeve, the gum sleeve flange plate type end at upper and lower flue pipe flange and both ends is along the circumferential direction inclined upwardly, and inclination angle is 10 degree to 15 degree；The flexible heat-insulation protecting jacket cylinder worked out by stainless (steel) wire is provided with the outside of gum sleeve, cavity is provided between flexible heat-insulation protecting jacket cylinder and gum sleeve.It is by improving expansion joint structure, effective the defects of preventing the outside seepage under the complex environment of high temperature, high pressure, steam solid mixing medium and high corrosion, the sealing with flue tube junction is greatly improved, especially suitable for desulfuration chimney pipeline and hot air duct and fume ducts.
Description
Technical field
It the utility model is related to the heat-insulated chimney expansion of pipeline expansion device, particularly a kind of antiseep for desulfuration chimney
Telescopic joint.
Background technology
At present, with the progress of industrial technology, the pipeline as pipeline engineering important component connects retractor device（
Claim pipeline compensator, expanded telescopic joint）There are further innovation and raising in structure type and new diseases.Desulfurization
Chimney breast generally use non-metal expansion joint, the device is from initial low-temperature zone flue gas medium application development to can bear height
Temperature, high pressure, steam solid mixing medium and high corrosion environment.However, under the substantive requirements of form of environment-friendly and energy-saving emission-reduction, for large-scale combustion
Coal power generation unit and its desulphurization and denitration project widely popularize application, and the material and product to non-metal expansion joint, which propose, to be set
The requirements at the higher level that standby maximization, structure are shortcut, performance safety, life-span are changed for a long time.At present, the existing most of desulfurization in China are set
There is short life in non-metal expansion joint product used in standby and boiler air and gas system, seepage is serious, changes trouble and shutdown maintenance takes
With it is high the defects of.
In order to solve drawbacks described above, the applicant discloses one in the patent document that notification number is the U of CN 205136932
Kind non-metal compensator, it uses composite material rubber circle main body as compensation, and rubber ring cross-section uses waveform configuration, rubber
Circle is connected by flange method with smoke pipe, and it improves to some extent to drawbacks described above, but mixes Jie admittedly bearing high temperature, high pressure, steam
Under the complex environment of matter and high corrosion, however it remains poorly sealed, easy to leak and heat-insulation and heat-preservation is poor, flimsy problem.
The content of the invention
The purpose of this utility model is to provide a kind of heat-insulated chimney expanded telescopic joint of antiseep, solves above-mentioned flue compensation
The existing poor and flimsy problem of easy to leak, heat-insulation and heat-preservation under complex environment of device, it is improved by improving expansion joint structure
Tightness and heat insulation and preservation effect, effectively prevent seepage and extend the service life of product.
The technical solution adopted in the utility model is：The heat-insulated chimney expanded telescopic joint of the antiseep includes ripple type rubber sleeve
Pipe, the upper/lower terminal integral type of gum sleeve are provided with the flange plate type end formed by turning edge outside, gum sleeve upper and lower two
End flanges disc type end is respectively with upper and lower flue pipe flange by pressing solid backing plate, bolt and viscose glue to be tightly connected, ripple type rubber
Fabric fibre interlayer is compounded with gum cover pipe, is characterized in that：The upper and lower flue pipe flange and the gum sleeve at both ends
Flange plate type end is along the circumferential direction inclined upwardly, and inclination angle is 10 degree to 15 degree；It is provided with the outside of gum sleeve by not
Become rusty the flexible heat-insulation protecting jacket cylinder that steel mesh is worked out, and cavity is provided between flexible heat-insulation protecting jacket cylinder and gum sleeve.
Metal ring set is welded with the outside of the flue pipe flange, flexible heat-insulation protecting jacket cylinder is bolted suit
Outside metal ring set, longitudinally reinforced gusset is provided between metal ring set, flue pipe flange and flue tube.
Gum sleeve stage casing longitudinal cross-section is horizontal M shapes.
Titanium backing plate is crimped between the gum sleeve upper/lower terminal flange plate type end and flue pipe flange.
Outside Viton of the gum sleeve tube wall by Viton central core, the glass-fiber-fabric intermediate layer of both sides and both sides
Five layer material of layer are combined into.
The utility model has the advantages and positive effects of：The heat-insulated chimney expanded telescopic joint of the antiseep, which uses, carries one
The ripple type gum sleeve of body formula flange plate type end is connected with flue tube flangeseal, and is set upwards along its circumferencial direction
Inclination angle, after being installed to vertical flue tube, the flue gas moisture in flue tube is set to be difficult to along the sealing with inclination angle to excessive
Go out, the defects of effectively preventing the outside seepage under the complex environment of high temperature, high pressure, steam solid mixing medium and high corrosion,
Greatly improve the sealing with flue tube junction；Using in gum sleeve outside spacers, flexible heat-insulation protecting jacket cylinder is set
Play a part of heat-insulation and heat-preservation and protection gum sleeve, with harmless, No leakage, with ageing-resistant, high temperature resistant well, resistance to
Soda acid and anti-flammability, it effectively raises the effect of corrosion-resistant expanded telescopic joint, high temperature resistant, silencing vibration-damping, especially suitable for
Desulfuration chimney pipeline and hot air duct and fume ducts.
Brief description of the drawings
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 A portions enlarged drawing；
Fig. 3 is the lamination layer structure figure of the utility model gum sleeve.
Number explanation in figure：1 flue pipe flange, 2 flange plate type ends, 3 gum sleeves, 4 flue tubes, 5 bolts, 6 gold medals
Belong to annular sleeve, the solid backing plate of 7 pressures, 8 flexible heat-insulation protecting jacket cylinders, 9 cavitys, 10 stiffener plates, 11 titanium backing plates, 12 hermetic seal circles,
13 Viton central cores, 14 glass-fiber-fabric intermediate layers, 15 Viton outer layers.
Embodiment
Concrete structure of the present utility model is described in detail according to Fig. 1~3, embodiment as illustrated in fig. 1 and 2, a kind of antiseep
Heat-insulated chimney expanded telescopic joint, for installed in vertical flue pipe 4, it to include ripple type gum sleeve 3, upper and lower flue tube
Ring flange 1 and flexible heat-insulation protecting jacket cylinder 8, gum sleeve 3 can use fluorubber material, and upper and lower flue pipe flange 1 can use
Titanium steel composite board, the upper/lower terminal integral type of gum sleeve are provided with the flange plate type end 2 formed by turning edge outside, rubber sleeve
Pipe upper/lower terminal flange plate type end is respectively with upper and lower flue pipe flange by pressing solid backing plate 7, bolt 5 and viscose glue to seal jail
It is solidly connected, flue pipe flange 1 consolidates connection by welding and vertical flue pipe 4, and fabric is compounded with ripple type gum sleeve
The gum sleeve flange plate type end at fibrous interlayer, upper and lower flue pipe flange and both ends is along the circumferential direction inclined upwardly, and inclines
Oblique angle b is 10 degree to 15 degree, the gum sleeve flange plate type sloped-end angle at upper and lower flue pipe flange inclination angle and both ends
It is identical；Be provided with the outside of gum sleeve by stainless (steel) wire work out flexible heat-insulation protecting jacket cylinder 8, flexible heat-insulation protecting jacket cylinder with
Interval is set to have cavity 9 between gum sleeve.
As a further improvement, metal ring set 6, flexible heat-insulation protecting jacket cylinder 8 are welded with the outside of flue pipe flange
It is bolted and is sleeved on metal ring set outside, is provided between metal ring set, flue pipe flange and flue tube
Longitudinally reinforced gusset 10.
As a further improvement, gum sleeve stage casing longitudinal cross-section is arranged to horizontal M shapes, gum sleeve mainly uses fluorine rubber
Glue material, with high-quality VITON fluorubber A-401C types fluorubber through batch production high temperature curing process integral forming, thickness is 10-
12mm, fluorubber fluorinated volume are not less than 66%, simple in construction, protection flue dilatation.Can also be in gum sleeve upper and lower two
Titanium backing plate 11 is crimped between end flanges disc type end and flue pipe flange, in gum sleeve flange plate type end and titanium backing plate
Between hermetic seal circle 12 is set, improve the sealing and decay resistance of connection.
As shown in figure 3, the gum sleeve tube wall is by Viton central core 13, the glass-fiber-fabric intermediate layer 14 and two of both sides
The Viton outer layer 15 of side, totally five layer materials be combined into.Two layers of glass layer of cloth is evenly distributed on fluorine by it by high temperature vulcanized
In rubber sleeve pipe, seepage does not occur, after stretching or compression is born, without crackle and permanent deformation, adds rubber
Glue casing strength and ageing-resistant, high temperature resistant, acid and alkali-resistance and anti-flammability.
In summary, the purpose of this utility model is realized.
Claims (6)
1. a kind of heat-insulated chimney expanded telescopic joint of antiseep, it includes ripple type gum sleeve, the upper/lower terminal one of gum sleeve
Body formula is provided with the flange plate type end formed by turning edge outside, gum sleeve upper/lower terminal flange plate type end respectively with it is upper and lower
Flue pipe flange is compounded with fabric fibre folder by pressing solid backing plate, bolt and viscose glue to be tightly connected in ripple type gum sleeve
Layer, it is characterised in that：The gum sleeve flange plate type end at the upper and lower flue pipe flange and both ends along the circumferential direction to
Upper inclination, inclination angle are 10 degree to 15 degree；The flexible heat-insulation protecting jacket worked out by stainless (steel) wire is provided with the outside of gum sleeve
Cylinder, interval is set to have cavity between flexible heat-insulation protecting jacket cylinder and gum sleeve.
2. the heat-insulated chimney expanded telescopic joint of antiseep according to claim 1, it is characterised in that：The flue pipe flange
Outside is welded with metal ring set, and flexible heat-insulation protecting jacket cylinder, which is bolted, is sleeved on metal ring set outside, becket
Longitudinally reinforced gusset is provided between shape set, flue pipe flange and flue tube.
3. the heat-insulated chimney expanded telescopic joint of antiseep according to claim 1 or 2, it is characterised in that：The gum sleeve
Stage casing longitudinal cross-section is horizontal M shapes.
4. the heat-insulated chimney expanded telescopic joint of antiseep according to claim 1 or 2, it is characterised in that：The gum sleeve
Titanium backing plate is crimped between upper/lower terminal flange plate type end and flue pipe flange.
5. the heat-insulated chimney expanded telescopic joint of antiseep according to claim 1 or 2, the gum sleeve by central core fluorine
Change rubber layer, the layer glass layer of cloth and both sides outer layer among both sides are that the layer material of Viton layer five is combined into.
6. the heat-insulated chimney expanded telescopic joint of antiseep according to claim 3, the gum sleeve tube wall is by Viton
The layer material of Viton outer layer five of central core, the glass-fiber-fabric intermediate layer of both sides and both sides is combined into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720941981.9U CN206988671U (en) | 2017-07-31 | 2017-07-31 | A kind of heat-insulated chimney expanded telescopic joint of antiseep |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720941981.9U CN206988671U (en) | 2017-07-31 | 2017-07-31 | A kind of heat-insulated chimney expanded telescopic joint of antiseep |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206988671U true CN206988671U (en) | 2018-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720941981.9U Active CN206988671U (en) | 2017-07-31 | 2017-07-31 | A kind of heat-insulated chimney expanded telescopic joint of antiseep |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206988671U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723925A (en) * | 2019-01-28 | 2019-05-07 | 洛阳双瑞特种装备有限公司 | A kind of Low rigidity balanced type pipe line compensating device of heating network |
| CN110375141A (en) * | 2019-04-06 | 2019-10-25 | 浙江顺豪新材料有限公司 | The flexible expansion section and field installation process of desulfurization duct system |
| CN113202994A (en) * | 2021-05-07 | 2021-08-03 | 刘洪磊 | Reducing two-way pipe joint |
-
2017
- 2017-07-31 CN CN201720941981.9U patent/CN206988671U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723925A (en) * | 2019-01-28 | 2019-05-07 | 洛阳双瑞特种装备有限公司 | A kind of Low rigidity balanced type pipe line compensating device of heating network |
| CN110375141A (en) * | 2019-04-06 | 2019-10-25 | 浙江顺豪新材料有限公司 | The flexible expansion section and field installation process of desulfurization duct system |
| CN113202994A (en) * | 2021-05-07 | 2021-08-03 | 刘洪磊 | Reducing two-way pipe joint |
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