CN204040923U - Insulated tubing is wrapped up in outside a kind of - Google Patents
Insulated tubing is wrapped up in outside a kind of Download PDFInfo
- Publication number
- CN204040923U CN204040923U CN201420423832.XU CN201420423832U CN204040923U CN 204040923 U CN204040923 U CN 204040923U CN 201420423832 U CN201420423832 U CN 201420423832U CN 204040923 U CN204040923 U CN 204040923U
- Authority
- CN
- China
- Prior art keywords
- isolation layer
- oil pipe
- wrap
- outside
- thermal insulation
- 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.)
- Withdrawn - After Issue
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a general shape other than plane
- B32B1/08—Tubular products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/085—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
Abstract
The utility model discloses outside one and wrap up in insulated tubing, the oil pipe be made up of steel oil pipe, the outer isolation layer of oil pipe, the outer corrosion protective covering of isolation layer.The two ends of described oil pipe are for being processed with externally threaded thread segment, and the part near two ends thread segment is two lever pieces, and the part between two lever pieces is interlude.The outer isolation layer of one deck is wrapped up equably at described oil pipe interlude outer wall; the outer corrosion protective covering of one deck is wrapped up in outside isolation layer outer wall; at connection box cupling down operation section and box cupling outer wrapping one deck isolation layer of described oil pipe; at this isolation layer, one section of isolation layer protection steel sleeve is installed outward, forms one by above part combination and integrally-builtly wrap up in insulated tubing outward.The utility model effectively can reduce crude oil and flows to the loss of well head process Crude Oil own temperature from shaft bottom and improve crude oil fluidised form in the wellbore, finally reaches energy-saving and emission-reduction, greatly reduces cost of oil production.
Description
Technical field
The utility model relates to a kind of the outer of oil extraction in oil field tubing string that be applicable to and wraps up in insulated tubing.
Background technology
In the actual production process of oil field, pure light pipe (not adding any heat-insulation and heat-preservation measure) flow string is generally adopted to produce at present, there is the problem that crude oil own temperature loses in a large number in this oil production method, make the crude oil fluidity in pit shaft poor, increase oil pumper load, the heat energy of waste electric energy and surface gathering system heating furnace.
Summary of the invention
The key of the utility model patent " a kind of outer wraps up in insulated tubing " at home and abroad proposes first: the novel concept of " not adding under the condition that any external world artificially supplements the energy; make full use of stratum self heat energy; by increasing oil pipe heat insulating function on oil recovery flow string; reduce crude oil and flow to own temperature loss well head process from shaft bottom, realize improving Wellhead crue oil temperature ".
The purpose of this utility model is to provide outside one and wraps up in insulated tubing, effectively can reduce crude oil flow to the temperature loss of well head process Crude Oil self from shaft bottom and improve crude oil fluidised form in the wellbore, realize improving former Wellhead crue oil temperature 15 ~ 30 DEG C in actual production, solve a series of significant technology issues in oil recovery pit shaft and surface gathering and transferring process, greatly reduce cost of oil production.This invention is an extraordinary energy-saving and emission-reduction new product, is worth promoting.
The technical solution adopted in the utility model is as follows:
Wrap up in insulated tubing outside a kind of, the two ends of described oil pipe are for being processed with externally threaded thread segment, and the part near two ends thread segment is two lever pieces, and the part between two lever pieces is interlude; It is characterized in that; outside described oil pipe (1) interlude outer wall wraps up one equably, wrap up in corrosion protective covering (4), and wrap up in application one deck isolation layer (2) between corrosion protective covering (4) outside the oil-pipe external wall and oil pipe of oil pipe (1) interlude.
Outside the outer wall of isolation layer (2), wrap up in one deck isolation layer protection steel band (3), outside the parcel one deck of isolation layer protection steel band (3) outside, wrap up in anticorrosive heat insulating topping (4).
At connection box cupling (12) and the lever piece place of described oil pipe (1), its periphery is fixed with first circular thermal insulation protection pipe box (5-1) of two prefabricated in advance docking, and upper semi-circle thermal insulation protection pipe box (5-1) has two fastening steel bushings of slip screw thread (9-1) tightened, (9-2), at the lever piece place, connection box cupling (12) below of described oil pipe (1), its periphery is fixed with the lower semi-circular thermal insulation protection pipe box (5-2) that two docking are buckled well, the lower end of lower half circle thermal insulation protection pipe box (5-2) is bolted with the fastening steel bushing of lower slider screw thread (9-3), the upper end of lower semi-circular thermal insulation protection pipe box (5-2) is covered with a pair semicircle stainless steel steel bushing (6), this semicircle stainless steel steel bushing (6) is tightened by fixed screw (8) and ring stainless steel steel bushing (7), described ring stainless steel steel bushing (7) upper end and first circular thermal insulation protection pipe box (5-1) have the fastening steel bushing of slip screw thread (9-2) lower end and are spirally connected, O-ring seal (10) is provided with between the protective casing that lever piece and interlude join, at upper semi-circle thermal insulation protection pipe box (5-1), between lower semi-circular thermal insulation protection pipe box (5-2) and oil-pipe external wall, be respectively equipped with the semicircle isolation layer (2-1) of two docking, (2-2), between ring stainless steel steel bushing (7) top and tubing coupling (12) below, be provided with an annular heat pad (11).
Wrap up the outer isolation layer (2) of one deck at the interlude outer wall of described oil pipe (1), outer insulation thickness is 6mm, and outer isolation layer material therefor is aeroge nano super felt insulation heat-insulating heat-preserving material.
Outside the outer wall of the isolation layer (2) of the interlude of described oil pipe (1), wrap up in one deck isolation layer protection steel band (3), its thickness is the wide ordinary steel belts of 0.2 ~ 0.4mm, 6mm; Steel band adopts the mode be wound around to be entangled in the outer wall of outer isolation layer (2), overlaps 20 ~ 30% between steel band.
Steel band (3) is protected outward at the isolation layer of the interlude of described oil pipe (1); the thickness wrapping up in the outer anticorrosive heat insulating topping (4) of one deck is outward 2.6 ~ 2.8mm, and this outer anticorrosive heat insulating topping material therefor of wrapping up in is high-density polyethylene composite material.
At two lever piece places of the upper 500mm and lower 400mm of the connection box cupling (12) of described oil pipe (1), first circular thermal insulation protection pipe box (5-1) and lower semi-circular thermal insulation protection pipe box (5-2) is set.
The utility model has the advantages that: the temperature loss reducing downhole crude self, solve the practical problem in lower well construction, transportation, greatly reduce cost of oil production.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the tubing coupling down operation section local I detail of construction of Fig. 1.
Fig. 3 be Fig. 1 along A-A direction sectional view.
Fig. 4 be Fig. 2 along B-B direction sectional view.
Fig. 5 be Fig. 2 along C-C direction sectional view.
Fig. 6 be Fig. 2 along D-D direction view.
Detailed description of the invention
A kind of outer structure wrapping up in insulated tubing described in the utility model, as shown in Figure 1 and Figure 2: wrap up in insulated tubing outside a kind of, comprises the oil pipe of steel oil pipe (steel pipe column), the outer isolation layer of oil pipe, the outer corrosion protective covering composition of isolation layer.The two ends of described oil pipe are for being processed with externally threaded thread segment, and the part near two ends thread segment is two lever pieces, and the part between two lever pieces is interlude.
An outer isolation layer (2) is wrapped up equably at the interlude outer wall of described oil pipe (1); and outside the outer wall of isolation layer (2), wrap up in one deck isolation layer protection steel band (3), finally at the outer anticorrosive heat insulating topping (4) of isolation layer protection steel band (3) outside parcel one deck.Wrap up one deck isolation layer at two lever pieces of the upper 500mm and lower 400mm of the connection box cupling (12) of described oil pipe (1) and box cupling outer wall, at isolation layer, one section of isolation layer protection steel sleeve is installed outward.Now the outer both ends of the surface wrapping up in insulated tubing are oil pipe end face, and the external surface wrapping up in insulated tubing is outward the outer external surface wrapping up in anticorrosive heat insulating topping.
At the upper 500mm lever piece place of the connection box cupling (12) of described oil pipe (1); after oil pipe and tubing coupling are tightened by site operation personnel on request; after prefabricated in advance two first circular thermal insulation protection pipe box (5-1) docking are buckled well; upper and lower for upper thermal insulation protection pipe box (5-1) two the fastening steel bushings of slip screw thread (9-1), (9-2) are tightened; finally installed by O-ring seal (10), whole installation process completes.
At upper semi-circle thermal insulation protection pipe box (5-1), between lower semi-circular thermal insulation protection pipe box (5-2) and oil-pipe external wall, be respectively equipped with the semicircle isolation layer (2-1) of two docking, (2-2).An annular heat pad (11) is provided with between ring stainless steel steel bushing (7) top and tubing coupling (12) below.
400mm lever piece place under the connection box cupling (12) of described oil pipe (1); after oil pipe and tubing coupling being tightened on request in processing factory building; after two lower semi-circular thermal insulation protection pipe box (5-2) docking are buckled well; the fastening steel bushing of lower slider screw thread (9-3) of lower thermal insulation protection pipe box (5-2) is tightened; fixed screw (8) on semicircle stainless steel steel bushing (6) and ring stainless steel steel bushing (7) are tightened; finally installed by O-ring seal (10), whole installation process completes.
See Fig. 3,4,5,6.
The interlude outer wall of described oil pipe (1) wraps up the outer isolation layer (2) of one deck equably, and outer insulation thickness is 6mm.Outer isolation layer material therefor is aeroge nano super felt insulation heat-insulating heat-preserving material, and this material has fabulous heat insulation and water-proof function.
Outside the outer wall of the isolation layer (2) of the interlude of described oil pipe (1), wrap up in one deck isolation layer protection steel band (3), this protection thickness of strips is 0.2 ~ 0.4mm, and selected materials is the ordinary steel belts that 0.2mm is thick, 6mm is wide.Steel band adopts the mode be wound around to be entangled in the outer wall of outer isolation layer (2), overlaps 20 ~ 30% between steel band.
The outer anticorrosive heat insulating topping (4) of one deck is wrapped up in again outward outward at isolation layer protection steel band (3) of the interlude of described oil pipe (1); wrapping up in anticorrosive heat insulating protective layer thickness is outward 2.6 ~ 2.8mm, and this outer anticorrosive heat insulating topping material therefor of wrapping up in is high-density polyethylene composite material.Wrap up in anticorrosive heat insulating topping outward and there is outer anticorrosion and heat insulation, defencive function.
At the process mounting means at two lever piece places of the upper 500mm and lower 400mm of the connection box cupling (12) of described oil pipe (1) be: after oil pipe and tubing coupling are connected at the construction field (site); isolation layer (2) is wrapped in two lever pieces and box cupling (12) outside; after again two semicircle thermal insulation protection pipe box (5) docking being buckled well; finally three, the upper, middle and lower fastening steel bushing of slip screw thread (9-1), (9-2), (9-3) are tightened, and upper and lower two O-ring seals are installed.These two lever pieces constitute jointly a complete structure design by heat insulating mattress (11) under the fixed screw (8) on isolation layer (2-1) (2-2), stainless steel protection steel bushing (5-1), (5-2), the fastening steel bushing of stainless steel slip screw thread (9-1), (9-2), (9-3), ring stainless steel steel bushing (7), semicircle stainless steel steel bushing (6), semicircle stainless steel steel bushing (6), box cupling.By their conbined usage, ensure that the realization of the effect of heat insulation of whole tubing string, impact resistance function.Make not destroy during constructing operation heat insulation and other functions of oil pipe simultaneously, utilize conventional tool just conveniently can complete job execution of going into the well.
The feature of described aeroge nano super felt insulation heat-insulating heat-preserving material be high temperature resistant, water resistance good.The thermal loss that heat-insulation and heat-preservation suppression efficiency is high, can suppress high temp objects, effectively suppresses the loss of heat radiation and heat conduction.The product that this nano High Seience Technology Co., Ltd. of materials'use ShaoXing,ZheJiang city produces.
Described thermoplastic high density's polythene material selects in Beijing the sell goods adding sky and development in science and technology Co., Ltd.
The selection of above material is only enumerating in embodiment, and other similar products are also the options of this patent.
Described oil pipe (steel pipe column) is for prior art and the single-layer metal oil pipe (steel pipe column) processed.Described outer isolation layer has the extremely low aeroge nano super felt insulation heat-insulating heat-preserving material of extremely strong heat preservation and insulation, coefficient of thermal conductivity, is prior art product.Anticorrosive heat insulating topping outer wall will be rolled in outside material with special equipment outward when wrapping up in.
The utility model is by wrapping up the outer isolation layer of one deck equably at oil-pipe external wall; by wrapping up one deck anticorrosive heat insulating topping outside outer isolation layer, (the outer isolation layer of protection while protection oil-pipe external wall does not corrode by medium mode that act as wrapping up in anticorrosive heat insulating topping does not outward damage by water erosion and other reasons again; ensure the effect of heat insulation of insulated tubing), the outer of composition entirety wraps up in insulated tubing.There is good heat-proof quality, effectively can improve former Wellhead crue oil temperature, improve crude oil fluidised form in the wellbore, reach energy-saving and emission-reduction object, greatly reduce cost of oil production.
Claims (7)
1. wrap up in an insulated tubing outward, the two ends of described oil pipe are for being processed with externally threaded thread segment, and the part near two ends thread segment is two lever pieces, and the part between two lever pieces is interlude; It is characterized in that; outside described oil pipe (1) interlude outer wall wraps up one equably, wrap up in corrosion protective covering (4), and wrap up in application one deck isolation layer (2) between corrosion protective covering (4) outside the oil-pipe external wall and oil pipe of oil pipe (1) interlude.
2. wrap up in insulated tubing outside one according to claim 1; it is characterized in that; outside the outer wall of isolation layer (2), wrap up in one deck isolation layer protection steel band (3), outside the parcel one deck of isolation layer protection steel band (3) outside, wrap up in anticorrosive heat insulating topping (4).
3. wrap up in insulated tubing outside one according to claim 1 and 2, it is characterized in that, at connection box cupling (12) and the lever piece place of described oil pipe (1), its periphery is fixed with first circular thermal insulation protection pipe box (5-1) of two prefabricated in advance docking, and upper semi-circle thermal insulation protection pipe box (5-1) has two fastening steel bushings of slip screw thread (9-1) tightened, (9-2), at the lever piece place, connection box cupling (12) below of described oil pipe (1), its periphery is fixed with the lower semi-circular thermal insulation protection pipe box (5-2) that two docking are buckled well, the lower end of lower half circle thermal insulation protection pipe box (5-2) is bolted with the fastening steel bushing of lower slider screw thread (9-3), the upper end of lower semi-circular thermal insulation protection pipe box (5-2) is covered with a pair semicircle stainless steel steel bushing (6), this semicircle stainless steel steel bushing (6) is tightened by fixed screw (8) and ring stainless steel steel bushing (7), described ring stainless steel steel bushing (7) upper end and first circular thermal insulation protection pipe box (5-1) have the fastening steel bushing of slip screw thread (9-2) lower end and are spirally connected, O-ring seal (10) is provided with between the protective casing that lever piece and interlude join, at upper semi-circle thermal insulation protection pipe box (5-1), between lower semi-circular thermal insulation protection pipe box (5-2) and oil-pipe external wall, be respectively equipped with the semicircle isolation layer (2-1) of two docking, (2-2), between ring stainless steel steel bushing (7) top and tubing coupling (12) below, be provided with an annular heat pad (11).
4. wrap up in insulated tubing outside one according to claim 1, it is characterized in that, the outer isolation layer (2) of one deck is wrapped up at the interlude outer wall of described oil pipe (1), outer insulation thickness is 6mm, and outer isolation layer material therefor is aeroge nano super felt insulation heat-insulating heat-preserving material.
5. wrap up in insulated tubing outside one according to claim 2, it is characterized in that, outside the outer wall of the isolation layer (2) of the interlude of described oil pipe (1), wrap up in one deck isolation layer protection steel band (3), its thickness is the wide ordinary steel belts of 0.2 ~ 0.4mm, 6mm; Steel band adopts the mode be wound around to be entangled in the outer wall of outer isolation layer (2), overlaps 20 ~ 30% between steel band.
6. wrap up in insulated tubing outside one according to claim 2; it is characterized in that; steel band (3) is protected outward at the isolation layer of the interlude of described oil pipe (1); the thickness wrapping up in the outer anticorrosive heat insulating topping (4) of one deck is outward 2.6 ~ 2.8mm, and this outer anticorrosive heat insulating topping material therefor of wrapping up in is high-density polyethylene composite material.
7. wrap up in insulated tubing outside one according to claim 3; it is characterized in that; at two lever piece places of the upper 500mm and lower 400mm of the connection box cupling (12) of described oil pipe (1), first circular thermal insulation protection pipe box (5-1) and lower semi-circular thermal insulation protection pipe box (5-2) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420423832.XU CN204040923U (en) | 2014-04-03 | 2014-07-30 | Insulated tubing is wrapped up in outside a kind of |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420161148 | 2014-04-03 | ||
| CN201420161148.9 | 2014-04-03 | ||
| CN201420423832.XU CN204040923U (en) | 2014-04-03 | 2014-07-30 | Insulated tubing is wrapped up in outside a kind of |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204040923U true CN204040923U (en) | 2014-12-24 |
Family
ID=51668716
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410371030.3A Active CN104100209B (en) | 2014-04-03 | 2014-07-30 | Insulated tubing is wrapped up in outside a kind of |
| CN201420423832.XU Withdrawn - After Issue CN204040923U (en) | 2014-04-03 | 2014-07-30 | Insulated tubing is wrapped up in outside a kind of |
| CN201410601826.3A Active CN104533306B (en) | 2014-04-03 | 2014-10-31 | Insulated tubing is wrapped up in outside a kind of |
| CN201420642450.6U Withdrawn - After Issue CN204252846U (en) | 2014-04-03 | 2014-10-31 | Insulated tubing is wrapped up in outside a kind of |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410371030.3A Active CN104100209B (en) | 2014-04-03 | 2014-07-30 | Insulated tubing is wrapped up in outside a kind of |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410601826.3A Active CN104533306B (en) | 2014-04-03 | 2014-10-31 | Insulated tubing is wrapped up in outside a kind of |
| CN201420642450.6U Withdrawn - After Issue CN204252846U (en) | 2014-04-03 | 2014-10-31 | Insulated tubing is wrapped up in outside a kind of |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN104100209B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100209A (en) * | 2014-04-03 | 2014-10-15 | 刘兴仁 | Heat-insulation layer coated tubing |
| CN110239152A (en) * | 2019-06-18 | 2019-09-17 | 哈尔滨工业大学 | A kind of high temperature steam pipeline MULTILAYER COMPOSITE light thermal-insulation structure |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989289A (en) * | 2015-07-16 | 2015-10-21 | 刘兴仁 | Sealing and heat insulating device for wrapped insulated tubing and manufacturing method thereof |
| CN106907114B (en) * | 2017-05-08 | 2023-05-02 | 刘兴仁 | Externally wrapped nano heat-insulating oil pipe |
| CN107060656B (en) * | 2017-06-30 | 2023-07-07 | 刘兴仁 | Lining heat insulation oil pipe |
| CA3064458C (en) | 2019-12-10 | 2020-09-22 | Graham Brigham | A pipe insulation system |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR9908377A (en) * | 1998-12-31 | 2000-10-31 | Bouygues Offshore | Device and thermal insulation process of at least one underwater pipeline at great depth |
| JP2003293403A (en) * | 2002-04-03 | 2003-10-15 | Makoto Nishizawa | Heat insulating cover for pipe |
| CN2599207Y (en) * | 2002-12-18 | 2004-01-14 | 张兴礼 | Thermal insulatnig petroleum pipeline |
| US7118801B2 (en) * | 2003-11-10 | 2006-10-10 | Gore Enterprise Holdings, Inc. | Aerogel/PTFE composite insulating material |
| CN2690704Y (en) * | 2004-04-23 | 2005-04-06 | 付忠昌 | Modified polyurethane foam anti-corrosion thermal insulation pipe |
| CN2779196Y (en) * | 2005-03-15 | 2006-05-10 | 中国石油天然气集团公司 | Prestressed concrete submarine oil pipe |
| CN101799099B (en) * | 2010-04-16 | 2011-08-31 | 中国人民解放军国防科学技术大学 | Nanometer multiple-layer composite thermal insulation material and preparation method thereof |
| CN102071879B (en) * | 2011-01-07 | 2013-07-10 | 中国石油集团渤海石油装备制造有限公司 | Novel prestressed heat-insulation oil pipe |
| CN202278789U (en) * | 2011-09-15 | 2012-06-20 | 上海建冶科技工程股份有限公司 | Anti-corrosive compound coating with abrasion resistance and high-temperature resistance for steel structure sprayed with stainless steel |
| CN102943934A (en) * | 2012-11-09 | 2013-02-27 | 盘锦中际特种管材制造有限公司 | Composite nanometer aerogel anti-corrosion insulation oil tube |
| CN203067978U (en) * | 2013-01-22 | 2013-07-17 | 北京中加天和科技发展有限公司 | Composite oil pipe with anti-corrosion wear-resistant inner lining |
| CN203297779U (en) * | 2013-06-04 | 2013-11-20 | 无锡金顶石油管材配件制造有限公司 | High-temperature-resistant anti-oxidation heat insulation petroleum pipe |
| CN104100209B (en) * | 2014-04-03 | 2016-08-31 | 刘兴仁 | Insulated tubing is wrapped up in outside a kind of |
-
2014
- 2014-07-30 CN CN201410371030.3A patent/CN104100209B/en active Active
- 2014-07-30 CN CN201420423832.XU patent/CN204040923U/en not_active Withdrawn - After Issue
- 2014-10-31 CN CN201410601826.3A patent/CN104533306B/en active Active
- 2014-10-31 CN CN201420642450.6U patent/CN204252846U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100209A (en) * | 2014-04-03 | 2014-10-15 | 刘兴仁 | Heat-insulation layer coated tubing |
| CN104100209B (en) * | 2014-04-03 | 2016-08-31 | 刘兴仁 | Insulated tubing is wrapped up in outside a kind of |
| CN110239152A (en) * | 2019-06-18 | 2019-09-17 | 哈尔滨工业大学 | A kind of high temperature steam pipeline MULTILAYER COMPOSITE light thermal-insulation structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104100209A (en) | 2014-10-15 |
| CN104533306A (en) | 2015-04-22 |
| CN104100209B (en) | 2016-08-31 |
| CN204252846U (en) | 2015-04-08 |
| CN104533306B (en) | 2016-09-07 |
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