CN103104786A - Single face baffle fixing support arranged on 200 DEG C overhead heat supply pipeline and used for preventing heat bridge from transferring heat - Google Patents
Single face baffle fixing support arranged on 200 DEG C overhead heat supply pipeline and used for preventing heat bridge from transferring heat Download PDFInfo
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- CN103104786A CN103104786A CN2013100503966A CN201310050396A CN103104786A CN 103104786 A CN103104786 A CN 103104786A CN 2013100503966 A CN2013100503966 A CN 2013100503966A CN 201310050396 A CN201310050396 A CN 201310050396A CN 103104786 A CN103104786 A CN 103104786A
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- novolac epoxy
- epoxy resin
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Abstract
The invention discloses a single face baffle fixing support arranged on a 200 DEG C overhead heat supply pipeline and used for preventing a heat bridge from transferring heat. The problem that a heat bridge effect easily happens in an existing device is solved. An arc-shaped top face bracket (5) is placed inside a pit of a high-strength heat insulation novolac epoxy bracket (10), a glass wool insulating layer (9) is arranged between the outer side face of the arc-shaped top face bracket (5) and the inner side face of the high-strength heat insulation novolac epoxy bracket (10), a high-strength heat insulation novolac epoxy baffle (14) is placed on the side face of a pipeline support frame (16), an aluminum foil reflecting film is arranged between the high-strength heat insulation novolac epoxy baffle (14) and a steel single face baffle (12), and the steel single face baffle (12) is movably connected with the high-strength heat insulation novolac epoxy baffle (14) in an abutted mode. The single face baffle fixing support has the advantage that heat bridge loss between a heat transferring steel pipe and the pipeline support frame is cut off.
Description
Technical field
The present invention relates to a kind of fixed bearing of overhead type heat supply pipeline, particularly a kind of single face baffle plate fixed bearing that is provided with the heat supply pipeline of high-strength heat-insulation pad on the single face baffle plate fixed base of overhead type heat supply pipeline.
Background technique
At present, what the single face baffle plate fixed bearing of steam or hot water aerial pipeline adopted is steel-made support bearing and steel fixed dam, steam in defeated hot steel pipe or hot water are delivered to heat on base rack by fixed bearing baffle plate on it, have formed the heat bridge transmission effects, have caused heat loss.To satisfy simultaneously the requirement of the Rigidity and strength of pipeline under cold and hot two kinds of running statees due to the fixed bearing of the conveyance conduit of steam or hot water, general on the pipeline conveyor line the more pipe support of magnitude setting, the heat bridge transmission effects of bearing has directly caused a large amount of losses of the heat in the conveyance conduit.The main cause that heat supply pipeline produces heat bridge phenomenon is that the intensity of the thermal-protective material that uses in bearing is not high, under the acting in conjunction of active force that pipeline expands with heat and contract with cold and high temperature, thermal-protective material is easily aging, the heat-shielding performance of the thermal-protective material after aging descends rapidly, can form very strong heat bridge transmission effects, the heat energy of the thermal medium in conveyance conduit is lost in a large number.
Summary of the invention
The invention provides a kind of single face baffle plate fixed bearing that stops 200 ℃ of built on stilts heat supply pipelines of heat bridge transmission, the technical problem of heat bridge phenomenon easily appears in the single face baffle plate fixed bearing that has solved existing overhead type heat supply pipeline.
The present invention solves above technical problem by the following technical programs:
a kind of single face baffle plate fixed bearing that stops 200 ℃ of built on stilts heat supply pipelines of heat bridge transmission, comprise support of pipelines, outer protecting shell pipe and hot conveying steel pipe, hot conveying steel pipe is arranged in the outer protecting shell pipe, be provided with thermal insulation layer between hot conveying steel pipe and outer protecting shell pipe, be provided with steel single face baffle plate on the outer side wall of hot conveying steel pipe, be provided with steel single face baffle plate stiffening rib between the outer side wall of steel single face baffle plate and hot conveying steel pipe, be provided with pre-embedded steel slab on the end face of support of pipelines, be fixedly installed arc pallet on the arc external side of the bottom of hot conveying steel pipe, arc pallet is fixedly installed on the arc top surface carriage, be provided with deep floor on the arc top surface carriage, be provided with the high-strength heat-insulation novolac epoxy resin carriage with pit on pre-embedded steel slab, the arc top surface carriage is arranged in the pit of high-strength heat-insulation novolac epoxy resin carriage, stud bolt is fixed together high-strength heat-insulation novolac epoxy resin carriage and arc top surface carriage by the side plate of high-strength heat-insulation novolac epoxy resin carriage and the side plate of arc top surface carriage successively, be provided with the glass wool thermal insulation layer between the inner side surface of the outer side surface of arc top surface carriage and high-strength heat-insulation novolac epoxy resin carriage, be provided with the hard heat-insulated plate of calcium silicate between the outer bottom of the pit bottom surface of high-strength heat-insulation novolac epoxy resin carriage and arc top surface carriage, be provided with high-strength heat-insulation novolac epoxy resin baffle plate in the side of support of pipelines, be provided with the alumina silicate heat insulation coating on the outer surface of steel single face baffle plate and on the outer surface of steel single face baffle plate stiffening rib, steel single face baffle plate is together with the activity of high-strength heat-insulation novolac epoxy resin baffle plate abuts against, be provided with the aluminium foil reflecting coating between high-strength heat-insulation novolac epoxy resin baffle plate and steel single face baffle plate,
Described high-strength heat-insulation novolac epoxy resin carriage and high-strength heat-insulation novolac epoxy resin baffle plate all are made of high-strength heat-insulation novolac epoxy resin composition, described high-strength heat-insulation novolac epoxy resin composition, with 100 weight portion weighing scales, contain following material: the novolac epoxy resin of 60-80 part, the glass fiber of 15-30 part, the microporous calcium silicate of 2-10 part, the curing agent of 1-3 part, the promoter of 1-3 part.
With 100 weight portion weighing scales, described novolac epoxy resin is 65-75 part, and described glass fiber is 20-30 part, and described microporous calcium silicate is 5-8 part, and described curing agent is 2-3 part, and described promoter is 2-3 part.
The preparation method of high-strength heat-insulation novolac epoxy resin composition comprises the following steps:
The first step, with 100 weight portion weighing scales, get the novolac epoxy resin of 60-80 part, the glass fiber of 15-30 part, the microporous calcium silicate of 2-10 part, the curing agent of 1-3 part, the promoter of 1-3 part;
Second step, the novolac epoxy resin of 60-80 part and the microporous calcium silicate of 2-10 part are put into stirrer, stir it is mixed;
In the 3rd step, novolac epoxy resin and microporous calcium silicate mixture that promoter the joining of the curing agent of 1-3 part and 1-3 part mixed, stir;
The 4th step: the glass fiber of 15-30 part is immersed in above mixture, heated 20 minutes, make the temperature of mixture reach 120 ℃-130 ℃, then pressurization makes mixture solidified, namely obtains high-strength heat-insulation novolac epoxy resin composition.
The invention has the beneficial effects as follows and blocked by defeated hot steel pipe to the heat bridge loss between support of pipelines, guaranteed that the external protective steel tube temperature is lower than 40 ℃, bearing of the present invention is identical with the working life of defeated hot steel pipe working life, and mechanical property of the present invention is identical with steel single face fixed dam bearing.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of left apparent direction of the present invention.
Embodiment
a kind of single face baffle plate fixed bearing that stops 200 ℃ of built on stilts heat supply pipelines of heat bridge transmission, comprise support of pipelines 16, outer protecting shell pipe 3 and hot conveying steel pipe 1, hot conveying steel pipe 1 is arranged in outer protecting shell pipe 3, be provided with thermal insulation layer 2 between hot conveying steel pipe 1 and outer protecting shell pipe 3, be provided with steel single face baffle plate 12 on the outer side wall of hot conveying steel pipe 1, be provided with steel single face baffle plate stiffening rib 13 between the outer side wall of steel single face baffle plate 12 and hot conveying steel pipe 1, be provided with pre-embedded steel slab 11 on the end face of support of pipelines 16, be fixedly installed arc pallet 4 on the arc external side of the bottom of hot conveying steel pipe 1, arc pallet 4 is fixedly installed on arc top surface carriage 5, be provided with deep floor 6 on arc top surface carriage 5, be provided with the high-strength heat-insulation novolac epoxy resin carriage 10 with pit on pre-embedded steel slab 11, arc top surface carriage 5 is arranged in the pit of high-strength heat-insulation novolac epoxy resin carriage 10, stud bolt 7 is fixed together high-strength heat-insulation novolac epoxy resin carriage 10 and arc top surface carriage 5 by the side plate of high-strength heat-insulation novolac epoxy resin carriage 10 and the side plate of arc top surface carriage 5 successively, be provided with glass wool thermal insulation layer 9 between the inner side surface of the outer side surface of arc top surface carriage 5 and high-strength heat-insulation novolac epoxy resin carriage 10, be provided with the hard heat-insulated plate 8 of calcium silicate between the outer bottom of the pit bottom surface of high-strength heat-insulation novolac epoxy resin carriage 10 and arc top surface carriage 5, be provided with high-strength heat-insulation novolac epoxy resin baffle plate 14 in the side of support of pipelines 16, all can be provided with alumina silicate heat insulation coating 15 on the outer surface of steel single face baffle plate 12 and on the outer surface of steel single face baffle plate stiffening rib 13, be provided with the aluminium foil reflecting coating between high-strength heat-insulation novolac epoxy resin baffle plate 14 and steel single face baffle plate 12, steel single face baffle plate 12 is together with 14 activities of high-strength heat-insulation novolac epoxy resin baffle plate abut against.
Described high-strength heat-insulation novolac epoxy resin carriage 10 and high-strength heat-insulation novolac epoxy resin baffle plate 14 all are made of high-strength heat-insulation novolac epoxy resin composition, described high-strength heat-insulation novolac epoxy resin composition, with 100 weight portion weighing scales, contain following material: the novolac epoxy resin of 60-80 part, the glass fiber of 15-30 part, the microporous calcium silicate of 2-10 part, the curing agent of 1-3 part, the promoter of 1-3 part.
With 100 weight portion weighing scales, described novolac epoxy resin is 65-75 part, and described glass fiber is 20-30 part, and described microporous calcium silicate is 5-8 part, and described curing agent is 2-3 part, and described promoter is 2-3 part.
The preparation method of high-strength heat-insulation novolac epoxy resin composition comprises the following steps:
The first step, with 100 weight portion weighing scales, get the novolac epoxy resin of 60-80 part, the glass fiber of 15-30 part, the microporous calcium silicate of 2-10 part, the curing agent of 1-3 part, the promoter of 1-3 part;
Second step, the novolac epoxy resin of 60-80 part and the microporous calcium silicate of 2-10 part are put into stirrer, stir it is mixed;
In the 3rd step, novolac epoxy resin and microporous calcium silicate mixture that promoter the joining of the curing agent of 1-3 part and 1-3 part mixed, stir;
The 4th step: the glass fiber of 15-30 part is immersed in above mixture, heated 20 minutes, make the temperature of mixture reach 120 ℃-130 ℃, then pressurization makes mixture solidified, namely obtains high-strength heat-insulation novolac epoxy resin composition.
When the heat medium flow in hot conveying steel pipe 1 during through this fixed bearing point, can be with heat by arc pallet 4, the arc top surface carriage 5 of steel-made support bearing be welded on steel single face baffle plate 12 on pipeline to the surrounding transmission, the hard heat-insulated plate 8 of calcium silicate between arc top surface carriage 5 of the present invention and high-strength heat-insulation novolac epoxy resin carriage 10 can effectively prevent heat transfer, guarantees that the hull-skin temperature of high-strength heat-insulation novolac epoxy resin carriage 10 is less than 40 ℃; Guarantee that in the surrounding of arc top surface carriage 5 and the cotton thermal insulation layer 9 of the space filling glass between high-strength heat-insulation novolac epoxy resin carriage 10 the outer surface temperature of high-strength heat-insulation novolac epoxy resin carriage 10 is less than 40 ℃.Stud bolt 7 is integrated arc top surface carriage 5 and high-strength heat-insulation novolac epoxy resin carriage 10 close-coupled, simultaneously the weight of heat supply pipeline is delivered to the upper of high-strength heat-insulation novolac epoxy resin carriage 10 by stud bolt 7, has avoided the hard heat-insulated plate 8 of calcium silicate crushed.Satisfied the thrust requirement of heat supply pipeline.
Organic thermal-protective material has advantages of that thermal conductivity is low and higher than Compressive Strength, be the ideal material of making high-strength heat isolating material, but the heatproof of organic thermal-protective material is lower, can not be directly used in the heat insulated support of high temperature heat supply pipeline; And thermal insulation inorganic material has resistant to elevated temperatures advantage, but has the large shortcoming of water absorption rate; The present invention is the advantages with two class materials, forms the thermal-protective material of inorganic-organic composite structure, can obtain heatproof high, heat-insulating efficiency height and the high effect of intensity.According to above-mentioned requirements, the present invention adopts novolac epoxy resin as body material, adds reinforcing fiber and contains the strengthening agent of silicate composition, by adjusting each composition proportion, consists of a kind of epoxy resin-matrix composite heat-insulated material.
Through laboratory test, the physical property of high-strength heat-insulation novolac epoxy resin composition of the present invention is as follows:
1, the intensity variation with temperature of the heat insulation novolac epoxy resin composition of high strength phenolic aldehyde of the present invention sees the following form
| Temperature (℃) | Room temperature | 100 | 150 | 200 |
| Tensile strength sigma b（MPa） | 350-420 | 200-240 | 190-210 | 120-160 |
| Compressive strength σ bc（MPa） | 160-230 | 110-130 | 90-120 | 80-100 |
2, the thermal conductivity of high-strength heat-insulation novolac epoxy resin composition of the present invention sees the following form
| Temperature (℃) | 80? | 120 | 150 | 180 |
| Thermal conductivity (w/m.K) | 0.315 | 0.327 | 0.336 | 0.342 |
3, the linear expansion coefficient variation with temperature situation of high-strength heat-insulation novolac epoxy resin composition of the present invention sees the following form
High-strength heat-insulation novolac epoxy resin composition of the present invention can be applicable to medium temperature and on fixing and sliding support, is made into the high-strength heat-insulation bearing more than or equal to the pipeline of 200 ℃, has blocked by working steel tube to the heat loss between support of pipelines.The present invention has also provided mechanical characteristic and the heat preservation property index of high-strength heat-insulation novolac epoxy resin composition first quantitatively.What the invention solves that prior art exists stops the problem of poor effect in the heat bridge loss of pipe support, the working life of material of the present invention is identical with the working life of hot conveying steel pipe, the mechanical property of high-strength heat-insulation novolac epoxy resin carriage 10 of the present invention and high-strength heat-insulation novolac epoxy resin baffle plate 14 and Q235B steel plate approach, and are high-intensity thermal-protective materials desirable in pipe support.
Claims (4)
1. single face baffle plate fixed bearing that stops 200 ℃ of built on stilts heat supply pipelines that heat bridge transmits, comprise support of pipelines (16), outer protecting shell pipe (3) and hot conveying steel pipe (1), hot conveying steel pipe (1) is arranged in outer protecting shell pipe (3), be provided with thermal insulation layer (2) between hot conveying steel pipe (1) and outer protecting shell pipe (3), be provided with steel single face baffle plate (12) on the outer side wall of hot conveying steel pipe (1), be provided with steel single face baffle plate stiffening rib (13) between the outer side wall of steel single face baffle plate (12) and hot conveying steel pipe (1), be provided with pre-embedded steel slab (11) on the end face of support of pipelines (16), be fixedly installed arc pallet (4) on the bottom arc external side of hot conveying steel pipe (1), arc pallet (4) is fixedly installed on arc top surface carriage (5), be provided with deep floor (6) on arc top surface carriage (5), it is characterized in that, be provided with the high-strength heat-insulation novolac epoxy resin carriage (10) with pit on pre-embedded steel slab (11), arc top surface carriage (5) is arranged in the pit of high-strength heat-insulation novolac epoxy resin carriage (10), stud bolt (7) is fixed together high-strength heat-insulation novolac epoxy resin carriage (10) and arc top surface carriage (5) by the side plate of high-strength heat-insulation novolac epoxy resin carriage (10) and the side plate of arc top surface carriage (5) successively, be provided with glass wool thermal insulation layer (9) between the inner side surface of the outer side surface of arc top surface carriage (5) and high-strength heat-insulation novolac epoxy resin carriage (10), be provided with the hard heat-insulated plate of calcium silicate (8) between the outer bottom of the pit bottom surface of high-strength heat-insulation novolac epoxy resin carriage (10) and arc top surface carriage (5), be provided with high-strength heat-insulation novolac epoxy resin baffle plate (14) in the side of support of pipelines (16), be provided with the aluminium foil reflecting coating between high-strength heat-insulation novolac epoxy resin baffle plate (14) and steel single face baffle plate (12), steel single face baffle plate (12) is together with high-strength heat-insulation novolac epoxy resin baffle plate (14) activity abuts against.
2. a kind of single face baffle plate fixed bearing that stops 200 ℃ of built on stilts heat supply pipelines that heat bridge transmits according to claim 1, it is characterized in that, described high-strength heat-insulation novolac epoxy resin carriage (10) and high-strength heat-insulation novolac epoxy resin baffle plate (14) all are made of high-strength heat-insulation novolac epoxy resin composition, described high-strength heat-insulation novolac epoxy resin composition, with 100 weight portion weighing scales, contain following material: the novolac epoxy resin of 60-80 part, the glass fiber of 15-30 part, the microporous calcium silicate of 2-10 part, the curing agent of 1-3 part, the promoter of 1-3 part.
3. a kind of single face baffle plate fixed bearing that stops 200 ℃ of built on stilts heat supply pipelines that heat bridge transmits according to claim 2, it is characterized in that, described novolac epoxy resin is 65-75 part, described glass fiber is 20-30 part, described microporous calcium silicate is 5-8 part, described curing agent is 2-3 part, and described promoter is 2-3 part.
4. a kind of single face baffle plate fixed bearing that stops 200 ℃ of built on stilts heat supply pipelines of heat bridge transmission according to claim 2, is characterized in that, the preparation method of described high-strength heat-insulation novolac epoxy resin composition comprises the following steps:
The first step, with 100 weight portion weighing scales, get the novolac epoxy resin of 60-80 part, the glass fiber of 15-30 part, the microporous calcium silicate of 2-10 part, the curing agent of 1-3 part, the promoter of 1-3 part;
Second step, the novolac epoxy resin of 60-80 part and the microporous calcium silicate of 2-10 part are put into stirrer, stir it is mixed;
In the 3rd step, novolac epoxy resin and microporous calcium silicate mixture that promoter the joining of the curing agent of 1-3 part and 1-3 part mixed, stir;
The 4th step: the glass fiber of 15-30 part is immersed in above mixture, heated 20 minutes, make the temperature of mixture reach 120 ℃-130 ℃, then pressurization makes mixture solidified, namely obtains high-strength heat-insulation novolac epoxy resin composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100503966A CN103104786A (en) | 2013-02-11 | 2013-02-11 | Single face baffle fixing support arranged on 200 DEG C overhead heat supply pipeline and used for preventing heat bridge from transferring heat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100503966A CN103104786A (en) | 2013-02-11 | 2013-02-11 | Single face baffle fixing support arranged on 200 DEG C overhead heat supply pipeline and used for preventing heat bridge from transferring heat |
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| CN103104786A true CN103104786A (en) | 2013-05-15 |
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| CN2013100503966A Pending CN103104786A (en) | 2013-02-11 | 2013-02-11 | Single face baffle fixing support arranged on 200 DEG C overhead heat supply pipeline and used for preventing heat bridge from transferring heat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657316A (en) * | 2019-09-24 | 2020-01-07 | 内蒙古伟之杰节能装备有限公司 | Special support for pipe gallery overhead polyurethane thermal insulation pipe and construction method thereof |
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| CN2104373U (en) * | 1991-07-10 | 1992-05-13 | 中国石油天然气总公司工程技术研究所 | Antirust insulating pipe bracket for high-temp. pipeline |
| US5381833A (en) * | 1992-03-18 | 1995-01-17 | Cummings; Richard | Insulated pipe assembly and pipe support therefor |
| CN101275704A (en) * | 2008-05-13 | 2008-10-01 | 厦门高特高新材料有限公司 | Steel face type phenolic aldehyde heat preserving composite board and manufacturing method and application thereof |
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| CN202293502U (en) * | 2011-11-08 | 2012-07-04 | 苏州生益科技有限公司 | Insulation board for laminating machine and insulation device |
| CN102796349A (en) * | 2012-08-27 | 2012-11-28 | 黑龙江省科学院石油化学研究院 | Membranous room-temperature-curing epoxy resin composite material gasket and preparation method thereof |
| CN203147177U (en) * | 2013-02-11 | 2013-08-21 | 中国能源建设集团山西省电力勘测设计院 | Single-face baffle fixed bearing arranged on 200 DEG C overhead heat supply pipeline and used for preventing heat bridge from transferring heat |
-
2013
- 2013-02-11 CN CN2013100503966A patent/CN103104786A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2104373U (en) * | 1991-07-10 | 1992-05-13 | 中国石油天然气总公司工程技术研究所 | Antirust insulating pipe bracket for high-temp. pipeline |
| US5381833A (en) * | 1992-03-18 | 1995-01-17 | Cummings; Richard | Insulated pipe assembly and pipe support therefor |
| CN101275704A (en) * | 2008-05-13 | 2008-10-01 | 厦门高特高新材料有限公司 | Steel face type phenolic aldehyde heat preserving composite board and manufacturing method and application thereof |
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| CN202293502U (en) * | 2011-11-08 | 2012-07-04 | 苏州生益科技有限公司 | Insulation board for laminating machine and insulation device |
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| CN203147177U (en) * | 2013-02-11 | 2013-08-21 | 中国能源建设集团山西省电力勘测设计院 | Single-face baffle fixed bearing arranged on 200 DEG C overhead heat supply pipeline and used for preventing heat bridge from transferring heat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657316A (en) * | 2019-09-24 | 2020-01-07 | 内蒙古伟之杰节能装备有限公司 | Special support for pipe gallery overhead polyurethane thermal insulation pipe and construction method thereof |
| CN110657316B (en) * | 2019-09-24 | 2020-07-03 | 内蒙古伟之杰节能装备有限公司 | Special support for pipe gallery overhead polyurethane thermal insulation pipe and construction method thereof |
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Application publication date: 20130515 |