CN201954113U - Low-friction cold insulation pipe carrier - Google Patents

Low-friction cold insulation pipe carrier Download PDF

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Publication number
CN201954113U
CN201954113U CN2011200332460U CN201120033246U CN201954113U CN 201954113 U CN201954113 U CN 201954113U CN 2011200332460 U CN2011200332460 U CN 2011200332460U CN 201120033246 U CN201120033246 U CN 201120033246U CN 201954113 U CN201954113 U CN 201954113U
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China
Prior art keywords
cold insulation
saddle
insulation layer
friction pair
following
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Expired - Lifetime
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CN2011200332460U
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Chinese (zh)
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张静
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Sinopec Engineering Inc
China Petrochemical Corp
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Abstract

The utility model provides a low-friction cold insulation pipe carrier, which belongs to the field of equipment for low-temperature working condition pipelines. The device comprises a steel structural component (6), a high-intensity hard cold insulation layer (5), a non-metal heat insulation layer (4), a saddle (7) and a friction pair (8), wherein the steel structural component (6) is welded on the top of the saddle (7); the high-intensity hard cold insulation layer (5) is layered; and the friction pair (8) is arranged at the bottom of the saddle (7). The low-friction cold insulation pipe carrier has a good cold insulation effect and a sealing effect, and can effectively stop the cold of the pipeline from being transmitted outside from a hanging bracket main body; the high-intensity hard cold insulation layer has high compressive strength, low water absorption rate and good fire resistance, so that the safety bearing capacity and the use performance of the bracket can be guaranteed effectively; the material of the low-friction cold insulation pipe carrier can be readily available in China, so the industrial production of the low-friction cold insulation pipe carrier can be realized; woods and energy are saved, and the environment is protected; moreover, the low-friction cold insulation pipe carrier meets the space arrangement requirement of rowed pipelines, and is convenient for construction, disassembly and maintenance.

Description

A kind of low friction type cold insulation conduit saddle
Technical field
The utility model belongs to worst cold case pipeline apparatus field, is specifically related to the low friction type cold insulation conduit saddle on a kind of various forms cold insulation suspension and support that is used for normal temperature~-200 ℃ worst cold case, various bore (maximum DN1600) fluid-transporting tubing.
Background technique
At present, domestic worst cold case pipeline does not have low friction type with the conduit saddle of cold insulation suspension and support, and the structure and the material characteristics at the cold insulation position of existing conduit saddle are: clip together with several hard wooden units and soft cold insulation material and be cylindric, the outside clamps with the steel pipe folder; The no tilt angle of steel pipe folder; No nonmetal thermoinsulation material between cold insulation layer inwall and the pipeline outer wall; The cold insulation layer is an individual layer; The position that the hard wooden unit is arranged is the bearing point of support, and the hard material of support adopts and soaks the timber of anti-corrosion asphalt, soft cold insulation material employing low density polyurethane foam.
The shortcoming that above-mentioned cold insulation suspension and support uses is: the friction factor height between conduit saddle and the steelframe (has relative movement between conduit saddle and the steelframe, the greatly then horizontal frictional force of friction factor is also big, active force to suspension and support is also just big, in the engineering design in order to reduce the horizontal frictional force of steelframe, so need the friction factor of conduit saddle smaller).Material thermal conductivity is big, the poor performance of sealing material; The structural type of support sealing is single; Need carry out composite assembly at the scene, the loaded down with trivial details difficulty of constructing is big.Such structure and material can cause suspension and support body and the connection slit place a large amount of losses of pipeline cold along pipeline, and be delivered in steel structure and the air, cause a suspension centre place to freeze after cold and the air generation convection current, steel structure is under the cryogenic conditions for a long time, the safety of fracture with regard to entail dangers to pipeline and equipment if take place in reduction in strength, seriously corroded; The support radial dimension has greatly also influenced the layout that becomes discharge pipe, and rack form is single, can only unidirectionally weigh, and can't satisfy the requirement that the pipe arrangement thermal stress is calculated; Support compressive strength is low, moisture content is high, and rack bearing can deform after a period of time, cracks under the worst cold case effect, and rack body destroys, and then loses carrying and cold insulation effect.In addition, existing suspension and support waste timber and poor fire, the temperature that support is suitable for only are normal temperature~-70 ℃, and bore Applicable scope maximum only is DN600.
In the existing patent, the patent No. a kind of ultralow temperature cold insulation conduit saddle that has been 00221272.2 patent disclosure, its shortcoming is: 1. resistant polyurethane not-70 ℃ and following low temperature; 2. steel component does not have the tilt angle, can not satisfy into the optimal spatial requirement of discharge pipe; 3. there are not cold insulation thickness and layering requirement; 4. there is not low friction structure.
The patent No. be 200620049477.X patent disclosure a kind of adiabatic heat-insulation structure that is used for liquefied natural gas plant, its shortcoming is: 1. be the aerial pipeline heat insulating construction, not the cold insulation conduit saddle at pipeline strong point place, the weight that can not bear pipeline and annex thereof; 2. there are not cold insulation thickness and layering requirement; 3. there is not low friction structure.
The model utility content
The purpose of this utility model is to solve a difficult problem that exists in the above-mentioned prior art, a kind of low friction type cold insulation conduit saddle is provided, the whole efficient cold insulation of its energy, intensity height, construction install convenience, and be applicable to various forms of normal temperature~-200 ℃ worst cold case, various bore (maximum DN1600) fluid-transporting tubings of being used for.
The utility model is achieved through the following technical solutions:
A kind of low friction type cold insulation conduit saddle, described low friction type cold insulation conduit saddle comprises steel design part 6, high strength hard cold insulation layer 5, nonmetal heat insulation layer 4, saddle 7 and friction pair 8;
Described nonmetal heat insulation layer 4 directly wraps on the conveyance conduit outer surface, is surrounded by high strength hard cold insulation layer 5 outside described nonmetal heat insulation layer 4; Outside described high strength hard cold insulation layer 5, be surrounded by steel design part 6;
Described steel design part 6 comprises stirrup and following stirrup, and the two ends of last stirrup and following stirrup are bolted to connection respectively;
The top of described saddle 7 has recess, and crouch in the top recess of saddle 7 in the described bottom of stirrup down, and fixing with it;
Friction pair 8 is equipped with in the bottom of described saddle 7, described friction pair 8 comprises friction pair and following friction pair, and the described upper surface of going up friction pair is fixedlyed connected with the bottom of saddle 7, and the working surface of last friction pair down, the working surface of following friction pair up, the lower end surface of friction pair 8 is welded on the steelframe 9;
Described high strength hard cold insulation layer 5 is layerings, comprises one deck at least, and every layer is a sleeve shape cold insulation watt, and when more than one deck, the cold insulation of each layer watt outwards is sleeved on together successively from the lining;
Each described cold insulation watt comprises tile fragment and following tile fragment, describedly goes up tile fragment and following tile fragment all is the semicircle tubular, and last tile fragment and following tile fragment dock the described cold insulation of formation watt.
The thickness of described high strength hard cold insulation layer 5 is integral multiples of 5, and scope is from 30mm-290mm; Not stratified or divide two-layerly when the thickness of high strength hard cold insulation layer 5 is between 30mm-200mm, the time-division is two-layer or three layers between 90mm-290mm.
Described two ends of going up tile fragment and following tile fragment adopt fissure of displacement overlap joint to dock.
The joint of tile fragment and following tile fragment scribbles binder 1 on described.
Bonding between the adjacent described cold insulation watt by binder 1.
Outer surface at described high strength hard cold insulation layer 5 is bonded with vapor barrier 2 by binder 1.
The internal surface of stirrup and following stirrup all is bonded with coat of metal 3 by binder 1 on described.
The axis of described saddle 7 is vertical with horizontal plane, and the manufacturing angle of inclination of described steel design part 6 is 30 °~45 °, and promptly the line of two bolts becomes 30 °~45 ° inclination angles with the horizontal center line of conveyance conduit.
Described nonmetal heat insulation layer 4 adopts low temperature resistant modified polyethylene material;
The described tile fragment of going up all adopts polyurethane or poly-isocyanuric acid fat entire pressurisation to be foamed into the semicircle tubular with following tile fragment;
Described friction pair 8 is the static friction pair, and the described friction pair of going up is made by corrosion resistant plate or high alloy hard, wear-resistant steel plate; Following friction pair is made of bearing and substrate; Described bearing is between last friction pair and substrate; The material of described bearing is poly-tetrafluoro of modification or hard, wear-resistant high alloy.
Describedly go up stirrup, stirrup and saddle 7 are that the metal machining makes down; Following stirrup and saddle 7 welding are fixing.
Compared with prior art, the beneficial effects of the utility model are:
(1) relates to the various forms of suspension and supports of the fluid-transporting tubing of normal temperature~-200 ℃ worst cold case, various bore (maximum DN1600), friction factor is low, can satisfy the various different use occasions that the pipe arrangement thermal stress calculates (low friction artificial friction factor that is provided with according to engineering discipline when to be the pipe stress specialty for reducing friction carry out the pipeline thermal Stress calculation by computer program in the engineering design, the utility model is exactly that set these needs of friction factor of pipeline thermal Stress calculation propose in the engineering design in order to satisfy).
(2) nonmetal heat insulation layer, high strength hard cold insulation layer every cold effective, stoped the pipeline cold outwards to transmit effectively from the suspension and support body;
(3) adopt the fissure of displacement to overlap the good sealing effect of connection, Bond between the last tile fragment of high strength hard cold insulation layer and the following tile fragment, stoped the pipeline cold to connect the slit effectively and outwards transmitted from suspension and support;
(4) low, the good flame resistance of compressive strength height, water absorption rate of high strength hard cold insulation layer has effectively guaranteed the safe bearing load performance and the safe application performance of support;
(5) high strength hard cold insulation layer adopts foaming forming technique to make, and its raw material is buying easily at home, and therefore can large batch ofly carry out industrialized production, and save a large amount of timber, energy-conserving and environment-protective, application prospect is good, easily promotes the use of;
(6) adopt bolt to connect between the last stirrup of the connection of last tile fragment in the high strength hard cold insulation layer and following tile fragment employing fissure of displacement overlap joint, steel design part and the following stirrup, and making the angle of inclination is 30 °~45 °, the spatial arrangement requirement, convenient construction and the field-strip that become discharge pipe have been satisfied.
Description of drawings
Fig. 1 is a kind of low friction type cold insulation of the utility model conduit saddle.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail:
As shown in Figure 1, a kind of low friction type cold insulation conduit saddle, described low friction type cold insulation conduit saddle comprises steel design part 6, high strength hard cold insulation layer 5, nonmetal heat insulation layer 4, saddle 7 and friction pair 8;
Described nonmetal heat insulation layer 4 directly wraps on the conveyance conduit outer surface, is surrounded by high strength hard cold insulation layer 5 outside described nonmetal heat insulation layer 4; Outside described high strength hard cold insulation layer 5, be surrounded by steel design part 6;
Described steel design part 6 comprises stirrup and following stirrup, and the two ends of last stirrup and following stirrup are bolted to connection respectively;
The top of described saddle 7 has recess, and crouch in the top recess of saddle 7 in the described bottom of stirrup down, and fixing with it;
Friction pair 8 is equipped with in the bottom of described saddle 7, described friction pair 8 comprises friction pair and following friction pair, and the described upper surface of going up friction pair is fixedlyed connected with the bottom of saddle 7, and the working surface of last friction pair down, the working surface of following friction pair up, the lower end surface of friction pair 8 is welded on the steelframe 9;
Described high strength hard cold insulation layer 5 is layerings, comprises one deck at least, and every layer is a sleeve shape cold insulation watt, and when more than one deck, the cold insulation of each layer watt outwards is sleeved on together successively from the lining; That provide among Fig. 1 is the embodiment who comprises two-layer cold insulation watt.
Each described cold insulation watt comprises tile fragment and following tile fragment, describedly goes up tile fragment and following tile fragment all is the semicircle tubular, and last tile fragment and following tile fragment dock the described cold insulation of formation watt.
The thickness of described high strength hard cold insulation layer 5 is integral multiples of 5, and scope is from 30mm-290mm; Not stratified or divide two-layerly when the thickness of high strength hard cold insulation layer 5 is between 30mm-200mm, the time-division is two-layer or three layers between 90mm-290mm.
Described two ends of going up tile fragment and following tile fragment adopt fissure of displacement overlap joint to dock.
The joint of tile fragment and following tile fragment scribbles binder 1 on described.
Bonding between the adjacent described cold insulation watt by binder 1.
Outer surface at described high strength hard cold insulation layer 5 is bonded with vapor barrier 2 by binder 1.
The internal surface of stirrup and following stirrup all is bonded with coat of metal 3 by binder 1 on described.
The axis of described saddle 7 is vertical with horizontal plane, and the manufacturing angle of inclination of described steel design part 6 is 30 °~45 °, and promptly the line of two bolts becomes 30 °~45 ° inclination angles with the horizontal center line of conveyance conduit.
Described nonmetal heat insulation layer 4 adopts low temperature resistant modified polyethylene material;
The described tile fragment of going up all adopts polyurethane or poly-isocyanuric acid fat entire pressurisation to be foamed into the semicircle tubular with following tile fragment;
Described friction pair 8 is the static friction pair, and the described friction pair of going up is made by corrosion resistant plate or high alloy hard, wear-resistant steel plate; Following friction pair is made of bearing and substrate; Described bearing is between last friction pair and substrate; The material of described bearing is poly-tetrafluoro of modification or hard, wear-resistant high alloy.
Describedly go up stirrup, stirrup and saddle 7 are that the metal machining makes down; Following stirrup and saddle 7 welding are fixing.
Installation method of the present utility model is: nonmetal heat insulation layer 4 is the first road barriers that are used to cut off cold damage, be positioned at conduit saddle in portion and directly contact with pipeline, nonmetal heat insulation layer 4 also divides two up and down, be bonding with tackiness agent and high strength hard cold insulation layer 5, it must possess the low temperature resistant not characteristics of corrosion pipeline that reach; High strength hard cold insulation layer 5 is the second road barriers that are used to cut off cold damage, and it must possess the low temperature resistant not characteristics of corrosion pipeline that reach, and also will possess certain compression strength and flame retardant property simultaneously; High strength hard cold insulation layer 5 comprises multilayer cold insulation watt, each cold insulation watt-minute is last tile fragment and following tile fragment, adopt fissure of displacement overlap joint between last tile fragment and the following tile fragment, in Fig. 1, binder 1 has pointed to the junction of tile fragment up and down, the meaning is also will coat binder 1 before fissure of displacement overlap joint, overlaps then, and the application's fissure of displacement overlap joint is exactly general fissure of displacement joint form.Bonding between the adjacent cold insulation in the high strength hard cold insulation layer 5 watt with binder 1 (key property of binder 1 is the low temperature resistant and fire-retardant high adhesiveness that has simultaneously); Vapor barrier 2 is bonded in the outer surface of high strength hard cold insulation layer 5 by binder 1; Coat of metal 3 is bonded in the internal surface of steel design part 6 by binder 1; after finishing these steps; steel design part 6 is wrapped in the outside of vapor barrier 2; bonding with the soft pipeline cold insulation layer at the built on stilts place of pipeline in the transverse section at cold insulation conduit saddle two at last with binder 1; so far finished the 3rd road barrier that cuts off cold damage; it is fastening fixing with following stirrup to go up stirrup by bolt at last; the inclination angle of the line of two bolts and the horizontal center line of conveyance conduit is 30 °~45 °; satisfied the spatial arrangement requirement that becomes discharge pipe like this; following stirrup is to be welded in advance on the saddle 7; the working surface of last friction pair down; the substrate of following friction pair and steelframe 9 welding are fixing; the working surface of following friction pair can use after the contact well of the working surface of friction pair up and down up.The abutting edge of the abutting edge of Fig. 1 ectomesoderm cold insulation watt and internal layer cold insulation watt point-blank is not to stagger in order to have a mind to, can reduce cold like this and directly transmit, and be the requirement of installing.
Technique scheme is a kind of mode of execution of the present utility model, for those skilled in the art, on the basis that the utility model discloses application process and principle, be easy to make various types of improvement or distortion, and be not limited only to the described method of the above-mentioned embodiment of the utility model, therefore previously described mode is just preferred, and does not have restrictive meaning.

Claims (10)

1. low friction type cold insulation conduit saddle, it is characterized in that: described low friction type cold insulation conduit saddle comprises steel design part (6), high strength hard cold insulation layer (5), nonmetal heat insulation layer (4), saddle (7) and friction pair (8);
Described nonmetal heat insulation layer (4) directly wraps on the conveyance conduit outer surface, is surrounded by high strength hard cold insulation layer (5) outside described nonmetal heat insulation layer (4); Outside described high strength hard cold insulation layer (5), be surrounded by steel design part (6);
Described steel design part (6) comprises stirrup and following stirrup, and the two ends of last stirrup and following stirrup are bolted to connection respectively;
The top of described saddle (7) has recess, and crouch in the top recess of saddle (7) in the described bottom of stirrup down, and fixing with it;
Friction pair (8) is equipped with in the bottom of described saddle (7), described friction pair (8) comprises friction pair and following friction pair, the described upper surface of going up friction pair is fixedlyed connected with the bottom of saddle (7), the working surface of last friction pair down, the working surface of following friction pair up, the lower end surface of friction pair (8) is welded on the steelframe (9);
Described high strength hard cold insulation layer (5) is layering, comprises one deck at least, and every layer is a sleeve shape cold insulation watt, and when more than one deck, the cold insulation of each layer watt outwards is sleeved on together successively from the lining;
Each described cold insulation watt comprises tile fragment and following tile fragment, describedly goes up tile fragment and following tile fragment all is the semicircle tubular, and last tile fragment and following tile fragment dock the described cold insulation of formation watt.
2. low friction type cold insulation conduit saddle according to claim 1 is characterized in that: the thickness of described high strength hard cold insulation layer (5) is 5 integral multiple, and scope is from 30mm-290mm; Not stratified or divide two-layerly when the thickness of high strength hard cold insulation layer (5) is between 30mm-200mm, the time-division is two-layer or three layers between 90mm-290mm.
3. low friction type cold insulation conduit saddle according to claim 1 is characterized in that: described two ends of going up tile fragment and following tile fragment adopt fissure of displacement overlap joint to dock.
4. according to claim 1 or 3 described low friction type cold insulation conduit saddles, it is characterized in that: the joint of tile fragment and following tile fragment scribbles binder (1) on described.
5. low friction type cold insulation conduit saddle according to claim 1 is characterized in that: bonding by binder (1) between the adjacent described cold insulation watt.
6. low friction type cold insulation conduit saddle according to claim 1 is characterized in that: the outer surface at described high strength hard cold insulation layer (5) is bonded with vapor barrier (2) by binder (1).
7. low friction type cold insulation conduit saddle according to claim 1 is characterized in that: the internal surface of stirrup and following stirrup all is bonded with coat of metal (3) by binder (1) on described.
8. low friction type cold insulation conduit saddle according to claim 1, it is characterized in that: the axis of described saddle (7) is vertical with horizontal plane, the manufacturing angle of inclination of described steel design part (6) is 30 °~45 °, and promptly the line of two bolts becomes 30 °~45 ° inclination angles with the horizontal center line of conveyance conduit.
9. low friction type cold insulation conduit saddle according to claim 1 is characterized in that: described nonmetal heat insulation layer (4) adopts low temperature resistant modified polyethylene material;
The described tile fragment of going up all adopts polyurethane or poly-isocyanuric acid fat entire pressurisation to be foamed into the semicircle tubular with following tile fragment;
Described friction pair (8) is the static friction pair, and the described friction pair of going up is made by corrosion resistant plate or high alloy hard, wear-resistant steel plate; Following friction pair is made of bearing and substrate; Described bearing is between last friction pair and substrate; The material of described bearing is poly-tetrafluoro of modification or hard, wear-resistant high alloy.
10. low friction type cold insulation conduit saddle according to claim 1 is characterized in that: describedly go up stirrup, stirrup and saddle (7) are that the metal machining makes down; Following stirrup and saddle (7) welding are fixing.
CN2011200332460U 2011-01-31 2011-01-31 Low-friction cold insulation pipe carrier Expired - Lifetime CN201954113U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103638810A (en) * 2013-12-27 2014-03-19 哈尔滨锅炉厂有限责任公司 Device for connecting denitration device reactor and cold-state denitration steel structure
CN104350321A (en) * 2012-06-12 2015-02-11 力赛佳股份公司 Thermally insulated pipe rack
CN107631130A (en) * 2017-08-02 2018-01-26 酷泰克保温科技江苏有限公司 A kind of deep cooling pipeline cold insulation pipe carrier and conduit saddle construction technology
CN108189966A (en) * 2017-11-20 2018-06-22 沪东中华造船(集团)有限公司 A kind of pipe end face protection sealing plate fast dismounting device and its application method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104350321A (en) * 2012-06-12 2015-02-11 力赛佳股份公司 Thermally insulated pipe rack
CN103638810A (en) * 2013-12-27 2014-03-19 哈尔滨锅炉厂有限责任公司 Device for connecting denitration device reactor and cold-state denitration steel structure
CN107631130A (en) * 2017-08-02 2018-01-26 酷泰克保温科技江苏有限公司 A kind of deep cooling pipeline cold insulation pipe carrier and conduit saddle construction technology
CN108189966A (en) * 2017-11-20 2018-06-22 沪东中华造船(集团)有限公司 A kind of pipe end face protection sealing plate fast dismounting device and its application method

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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: Sinopec Engineering Incorporation

Patentee after: China Petrochemical Group Corp.

Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No.

Co-patentee before: Engrg Construction Co., SINOPEC

Patentee before: China Petrochemical Group Corp.

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Effective date: 20130122

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Address after: Anhui Beili Anyuan 21 No. 100101 Beijing Chaoyang District City

Patentee after: Sinopec Engineering Incorporation

Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No.

Patentee before: China Petrochemical Group Corp.

Patentee before: Sinopec Engineering Incorporation

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Granted publication date: 20110831

CX01 Expiry of patent term