CN201827600U - Heat insulation sleeve - Google Patents
Heat insulation sleeve Download PDFInfo
- Publication number
- CN201827600U CN201827600U CN2010205188175U CN201020518817U CN201827600U CN 201827600 U CN201827600 U CN 201827600U CN 2010205188175 U CN2010205188175 U CN 2010205188175U CN 201020518817 U CN201020518817 U CN 201020518817U CN 201827600 U CN201827600 U CN 201827600U
- Authority
- CN
- China
- Prior art keywords
- laggings
- flexible heat
- lagging
- straight tube
- ripple
- 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 - Lifetime
Links
- 238000009413 insulation Methods 0.000 title abstract description 18
- 238000002791 soaking Methods 0.000 claims description 23
- 239000000835 fiber Substances 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 230000008602 contraction Effects 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 235000012149 noodles Nutrition 0.000 description 2
- 238000010587 phase diagram Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000003471 anti-radiation Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Landscapes
- Thermal Insulation (AREA)
Abstract
The utility model discloses a heat insulation sleeve, which overcomes shortages that heat insulation sleeves in the prior art cannot extend and retract along with expansion on heating and contraction on cooling of a furnace tube. The heat insulation sleeve consists of an upper connecting part, a straight tube heat insulation section, at least one corrugated flexible heat insulation section and a lower connecting part, and the straight tube heat insulation section is arranged on the corrugated flexible heat insulation section. The heat insulation sleeve can extend and retract along with expansion on heating and contraction on cooling of a furnace tube.
Description
Technical field
The utility model belongs to petroleum chemical industry flame heating furnace field, relates to a kind of can expanding with heat and contract with cold and the ripple flexible heat-insulating section of freely stretching with boiler tube.
Background technique
Reburner in the hydro carbons steam transforming device, as the one-stage converter of synthetic ammonia installation, the reburner of methanol device and the reformer tubes such as reburner of hydrogen-generator, usually adopt suspender structure on the lower support, promptly reformer tube passes furnace roof and stretches out that stove is outer to be hung on the crossbeam on furnace roof top by spring hanger.Under the serviceability, boiler tube is heated and upwards expands, and swell increment is absorbed by spring hanger.During cold conditions, stretch out about the about 300mm of reformer tube length of furnace roof; When hot, the reformer tube expanded by heating, stretch out about the about 500mm of reformer tube length of furnace roof, tube wall temperature is about about 200～300 ℃ (after the special processing) greatly, temperature is very high, and heat dissipating capacity is very big, therefore, this part boiler tube needs insulation, but the insulation of traditional static state can't be satisfied the dynamic insulation requirement that boiler tube expands with heat and contract with cold.
Chinese patent ZL 200720037484.2 high temperature furnace pipe antiradiation energy-saving heat-insulating suit of skirt have proposed a kind of insulation suit of skirt, by stretching of suit of skirt, realize expanding with heat and contract with cold with boiler tube.
Chinese patent ZL 200720076300.3, the heating stove tube high-temperature fibre seal arrangement, a kind of high temperature fiber seal arrangement has been proposed, be filled between boiler tube and the stove roof plate, seal arrangement is a bag, is made by hot side material layer and huyashi-chuuka (cold chinese-style noodles) material layer, filled high-temperature cellucotton in the bag, one end and the heating furnace tube of bag are fixed, and the other end and stove roof plate are fixed, and bag can move and moves with boiler tube.
In " petrochemical equipment technology " by name, 2006,27 (5), 39～41 have delivered the Application and Development article of oven return type soft seal cover, introduced return type soft seal cover and constituted, be respectively fixed on boiler tube and the furnace roof steel plate by pipe clamp and pressing plate during installation by hot side and huyashi-chuuka (cold chinese-style noodles).This integral sealing insulating structure can move up and down freely with boiler tube, has guaranteed sealing and heat insulation effect between boiler tube and furnace roof steel plate.
Above-mentioned prior art exists a common characteristic lagging can not make heat insulation effect undesirable with the expanding with heat and contract with cold and clocklike freely stretch of boiler tube.
The model utility content
The utility model has overcome the defective of prior art, the utility model proposes a kind of novel heat insulation cover, can expand with heat and contract with cold with boiler tube and clocklike freely stretch, extending amount is very big, shrink back length and can reach more than 1: 2, satisfy and stretch out the dynamic insulation requirement that the boiler tube outside the furnace roof expands with heat and contract with cold with stretching, extension back length ratio.
A kind of lagging that the utility model provides is characterised in that: be made up of upper connector, straight tube soaking zone, at least one section ripple flexible heat-insulating section and following link.
A kind of lagging that the utility model provides is characterised in that: be made up of upper connector, straight tube soaking zone, at least two sections ripple flexible heat-insulating sections and following link.
Described upper connector is a kind of in link, hook, the buckle, preferred buckle.
Described down link is pressure ring, press nail, preferred pressure ring.
Described upper connector is fixed on the straight tube soaking zone top of lagging on the boiler tube, and described link down is fixed on lagging ripple flexible heat-insulating section bottom on the furnace roof link.
Described a kind of lagging is characterised in that: the straight tube soaking zone is on ripple flexible heat-insulating section, and ripple flexible heat-insulating section is below the straight tube soaking zone, and the straight tube soaking zone is identical with ripple flexible heat-insulating section material, contains one deck high-temperature refractory fiber cloth at least.
Described upper connector is connected the lagging upper end with boiler tube, following link links lagging lower end and furnace roof link.
Described upper connector is fixed on the straight tube soaking zone top of lagging on the boiler tube.Described link down is fixed on lagging ripple flexible heat-insulating section bottom on the furnace roof link.
Described a kind of lagging is characterised in that: described ripple flexible heat-insulating cover contains a ripple at least.
Described a kind of lagging is characterised in that: buckle with lagging upper end be stuck on the boiler tube, pressure ring is connected the lagging lower end with the heating-furnace roof connecting.
Described straight tube soaking zone and ripple flexible heat-insulating section are made for high-temperature refractory fiber cloth, and the preferably ceramic fibre cloth is made.
Described a kind of lagging, it is further characterized in that: refractory fiber cloth unitary moulding or make shaping with refractory fiber cloth.
The bellows-shaped of described ripple flexible heat-insulating section is V-type, U type ripple.
Described ripple flexible heat-insulating section is in circular, square or the triangle any one along the section shape of boiler tube cross section.
Description of drawings
Below the accompanying drawing illustrative a kind of structural type of the present utility model.
Fig. 1 is a kind of 3-D view of lagging.
Fig. 2 is the phase diagram of a kind of lagging when the boiler tube cold conditions.
Fig. 3 is the phase diagram of a kind of lagging when boiler tube is hot.
Wherein:
1, upper connector; 5, boiler tube
2, straight tube soaking zone; 6, stove roof plate
3, ripple flexible heat-insulating section; 7, furnace roof fire resisting material
4, following link
Embodiment
As shown in Figure 1, novel ripple flexible heat-insulating section of the present utility model is that buckle 1, straight tube soaking zone 2 and 7 sections ripple flexible heat-insulating sections 3 and following link are a kind of lagging that pressure ring 4 constitutes by upper connector, straight tube soaking zone 2 is last, 7 sections ripple flexible heat-insulating sections 3 are following, straight tube soaking zone 2 and ripple flexible heat-insulating section 3 are ceramic fiber cloth, make by unitary moulding, by buckle 1 straight tube soaking zone 2 is stuck on the boiler tube 5, ripple flexible heat-insulating section 3 lower ends is pressed on the furnace roof steel plate 6 by pressure ring 4.
After Fig. 2, Fig. 3 have illustrated that in detail the utility model is installed in heating furnace tube, the cold and hot figure that boiler tube is in.During the boiler tube cold conditions, 3 very regular the folding of ripple flexible heat-insulating section; During to hot variation, straight tube soaking zone 2 is with moving on boiler tube 5 heat expansions by cold conditions for boiler tube, and 7 V-type ripples of pulling ripple flexible heat-insulating section 3 freely stretch with boiler tube by wave spread; When boiler tube was hot, ripple flexible heat-insulating section 3 kept very regular extended conformation; When cold conditions changed, straight tube soaking zone 2 moved down with boiler tube 5 shrinkages boiler tube by hot, and 7 V-type ripples of compressing ripple flexible heat-insulating section 3 shrink folding by ripple, freely bounce back with boiler tube; Like this, no matter cold conditions or hot boiler tube all have the refractory material covering and heat insulating heat insulation.
Claims (18)
1. lagging, be characterised in that: lagging is made up of upper connector, straight tube soaking zone, at least one section ripple flexible heat-insulating section and following link, and the straight tube soaking zone is on ripple flexible heat-insulating section.
2. according to the described a kind of lagging of claim 1, it is characterized in that: form by upper connector, straight tube soaking zone, at least two sections ripple flexible heat-insulating sections and following link.
3. according to claim 1 or 2 described a kind of laggings, it is characterized in that: described upper connector is a kind of in link, hook, the buckle.
4. according to claim 1 or 2 described a kind of laggings, it is characterized in that: described upper connector is connected the lagging upper end with boiler tube, following link is connected the lagging lower end with the furnace roof link.
5. according to claim 1 or 2 described a kind of laggings, it is characterized in that: described upper connector is a buckle.
6. according to claim 1 or 2 described a kind of laggings, it is characterized in that: described link down is pressure ring or presses nail.
7. according to claim 1 or 2 described a kind of laggings, it is characterized in that: described link down is a pressure ring.
8. according to claim 1 or 2 described a kind of laggings, it is characterized in that: described upper connector is fixed on the straight tube soaking zone top of lagging on the boiler tube.
9. according to claim 1 or 2 described a kind of laggings, it is characterized in that: described link down is fixed on lagging ripple flexible heat-insulating section bottom on the furnace roof link.
10. according to claim 1 or 2 described a kind of laggings, it is characterized in that: the straight tube soaking zone is identical with ripple flexible heat-insulating section material.
11. according to claim 1 or 2 described a kind of laggings, it is characterized in that: described straight tube soaking zone and ripple flexible heat-insulating section material are high-temperature refractory fiber cloth.
12. according to claim 1 or 2 described a kind of laggings, it is characterized in that: described straight tube soaking zone and ripple flexible heat-insulating section material contain one deck high-temperature refractory fiber cloth at least.
13. according to claim 1 or 2 described a kind of laggings, it is characterized in that: described straight tube soaking zone and ripple flexible heat-insulating section material are ceramic fiber cloth.
14. according to claim 1 or 2 described a kind of laggings, it is characterized in that: the bellows-shaped of described ripple flexible heat-insulating cover is V-type, U type ripple.
15. according to claim 1 or 2 described a kind of laggings, it is characterized in that: described ripple flexible heat-insulating cover contains a ripple at least.
16. according to claim 1 or 2 described a kind of laggings, it is characterized in that: the section shape of described ripple flexible heat-insulating section cross section is any one in circular, square or the triangle.
17. according to claim 1 or 2 described a kind of laggings, it is characterized in that: described lagging is that high-temperature refractory fiber cloth unitary moulding is made.
18. according to claim 1 or 2 described a kind of laggings, it is characterized in that: described lagging is made shaping for high-temperature refractory fiber cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205188175U CN201827600U (en) | 2010-09-03 | 2010-09-03 | Heat insulation sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205188175U CN201827600U (en) | 2010-09-03 | 2010-09-03 | Heat insulation sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201827600U true CN201827600U (en) | 2011-05-11 |
Family
ID=43966134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205188175U Expired - Lifetime CN201827600U (en) | 2010-09-03 | 2010-09-03 | Heat insulation sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201827600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001254A (en) * | 2016-05-24 | 2016-10-12 | 北京航空航天大学 | Heat preservation device for heat incremental forming |
-
2010
- 2010-09-03 CN CN2010205188175U patent/CN201827600U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001254A (en) * | 2016-05-24 | 2016-10-12 | 北京航空航天大学 | Heat preservation device for heat incremental forming |
| CN106001254B (en) * | 2016-05-24 | 2017-12-26 | 北京航空航天大学 | A kind of attemperator for hot progressive molding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: Luoyang Petrochemical Engineering Corporation /SINOPEC Patentee after: Sinopec Corp. Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee before: Luoyang Petrochemical Engineering Co., China Petrochemical Group Patentee before: Sinopec Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110511 |