CN203273199U - Prefabricated composite heat-preservation bent pipe unit and pipeline system comprising same - Google Patents
Prefabricated composite heat-preservation bent pipe unit and pipeline system comprising same Download PDFInfo
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- CN203273199U CN203273199U CN 201320256569 CN201320256569U CN203273199U CN 203273199 U CN203273199 U CN 203273199U CN 201320256569 CN201320256569 CN 201320256569 CN 201320256569 U CN201320256569 U CN 201320256569U CN 203273199 U CN203273199 U CN 203273199U
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Abstract
The utility model discloses a prefabricated composite heat-preservation bent pipe unit. The prefabricated composite heat-preservation bent pipe unit comprises an arc work pipe, an arc outer protective pipe, a heat-preservation layer and a heat-insulating layer, wherein the outer protective pipe is arranged at the outer side of the work pipe, the heat-preservation layer is arranged at the outer side of the work pipe and located between the work pipe and the outer protective pipe, the heat-preservation layer is a polyurethane foam layer, and the heat-insulating layer is arranged at the outer side of the work pipe in a sleeved mode and located between the work pipe and the heat-preservation layer. The utility model further discloses a pipe system comprising the prefabricated composite heat-preservation bent pipe units. The heat of a high-temperature medium conveyed in the bent pipe unit is sealed inside a work pipeline by the heat-insulating layer of a certain thickness, a little of the heat can be transferred to the polyurethane foam layer under the heat-insulating function of the heat-insulating layer, the temperature of the high-temperature medium is lowered to be within a range acceptable for the polyurethane foam layer, and therefore the prefabricated composite heat-preservation bent pipe unit can be used for conveying the high-temperature medium for a long time and is suitable for an installation topography with a bent structure.
Description
Technical field
The utility model belongs to the heat distribution pipeline technical field, is specifically related to a kind of prefabricated complex heat-preservation Pipe Elbow Element, and the pipe-line system that is formed by this Pipe Elbow Element.
Background technique
In the non-directly buried type heating field of China, insulation pipe generally uses cement perlite watt or glass wool as thermal insulating material.Wherein, although cement perlite watt has the performance of fire prevention, heat insulation, insulation, its thermal insulation property is relatively poor, and the heat loss in transmitting procedure of the fluid in insulation pipe is larger; And glass wool is the cotton shape material that will form after the molten glass fibrosis, it has a large amount of small air voids, this air void can play the effect of insulation preferably, but, glass wool has hygroscopicity, easily distortion is used it working life that can shorten insulation pipe as thermal insulating material.
In order to address the above problem, Chinese patent literature CN201982890U discloses a kind of Prefabricated polyurethane foam insulating pipe for trenches, this thermal insulation pipe comprises body, described body is coated with high-density polyethylene external protective pipe, is filled with polyurethane foam insulation layer between described body and high-density polyethylene external protective pipe; Above-mentioned patent documentation adopts polyurethane foam as thermal insulating material, and cement perlite watt thermal insulation property is poor holds yielding problem with glass wool although can solve; But, because the resistance to high temperature of polyurethane foam is poor, when the thermal insulation pipe that is filled with polyurethane foam insulation layer was used for transmitting high temperature media for a long time, polyurethane foam insulation layer easily lost insulation effect because of the carbonization distortion, thereby caused thermal insulation pipe to shorten working life.
The model utility content
For this reason, technical problem to be solved in the utility model is that the polyurethane foam temperature tolerance that uses in prior art is poor, the polyurethane foam insulation layer of filling in thermal insulation pipe easily is out of shape, loses insulation effect because of the carbonization of Long Term Contact hot environment, thereby causes shorten the long-term working life that is used for this thermal insulation pipe of transmission high temperature media; And then propose a kind of can be used for transmitting high temperature media and working life very high prefabricated complex heat-preservation Pipe Elbow Element.
For solving the problems of the technologies described above, the utility model proposes a kind of prefabricated complex heat-preservation Pipe Elbow Element, comprise
The outer pillar of the working pipe of arc and arc, described outer protective pipe sleeve is placed in the outside of described working pipe;
Thermal insulation layer, described thermal insulation layer is placed on the outside of described working pipe, and between described working pipe and described outer pillar;
Described thermal insulation layer is polyurethane foam;
Also comprise heat insulation layer, described heat insulation layer is placed on the outside of described working pipe, and described heat insulation layer is between described working pipe and described thermal insulation layer.
The radian of described working pipe and described outer pillar is identical.
Described radian is 0-∏.
Described heat insulation layer is the aerogel carpet veneer.
Also comprise ring support, described ring support is placed between working pipe and outer pillar, the madial wall of described ring support compresses the outer side wall of described working pipe, and the outer side wall of described ring support passes described heat insulation layer and described thermal insulation layer and compresses the madial wall of described outer pillar.
On this basis, the utility model also proposes a kind of pipe-line system of above-mentioned Pipe Elbow Element of using and comprises piping unit and joint, interconnects by described joint between described piping unit; Described piping unit is straight pipeline unit or described Pipe Elbow Element, and at least one described piping unit is described Pipe Elbow Element;
Described straight pipeline unit comprises columniform working pipe and outer pillar, and described outer protective pipe sleeve is placed in the outside of described working pipe; Thermal insulation layer, described thermal insulation layer is placed on the outside of described working pipe, and between described working pipe and described outer pillar, described thermal insulation layer is polyurethane foam; Heat insulation layer, described heat insulation layer is placed on the outside of described working pipe, and described heat insulation layer is between described thermal insulation layer and described working pipe;
Described joint comprises joint thermal insulation layer and outer protective layer, described joint thermal insulation layer is filled in the described thermal insulation layer of adjacent described piping unit and the seam crossing of described outer pillar, and described outer protective layer is nested with in the outside of described joint thermal insulation layer and the outside of the described outer pillar of part of the described piping unit that joins with described joint thermal insulation layer.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) prefabricated complex heat-preservation Pipe Elbow Element described in the utility model, also comprise heat insulation layer, and described heat insulation layer is placed on the outside of described working pipe, and described heat insulation layer is between described thermal insulation layer and working pipe.the high temperature media heat that transmits in this Pipe Elbow Element is sealed up for safekeeping in service pipe by certain thickness heat insulation layer, after the heat insulating function of heat insulation layer, can be passed to the heat of polyurethane foam seldom, its temperature is reduced in the scope that polyurethane foam can bear, make this Pipe Elbow Element can be for a long time for delivery of high temperature media, avoided the polyurethane foam temperature tolerance that uses in the prior art poor, the polyurethane foam insulation layer of filling in thermal insulation pipe is easily because of Long Term Contact hot environment carbonization distortion, lose insulation effect, cause the problem for the thermal insulation pipe shortening in working life that transmits high temperature media.
(2) prefabricated complex heat-preservation Pipe Elbow Element described in the utility model, also comprise ring support, described ring support is placed between described working pipe and described outer pillar, the madial wall of described ring support compresses the outer side wall of described working pipe, and the outer side wall of described ring support passes described heat insulation layer and described thermal insulation layer and compresses the madial wall of described outer pillar.Described ring support not only has supporting effect, and can improve the sheathed coaxality between described working pipe and described outer pillar.
(3) pipe-line system of use Pipe Elbow Element described in the utility model comprises piping unit and joint, interconnects by joint between described piping unit; Described piping unit is straight pipeline unit or described Pipe Elbow Element, and the joint thermal insulation layer in joint and outer protective layer can avoid heat to scatter and disappear along the piping unit seam crossing.
Description of drawings
For content of the present utility model is more likely to be clearly understood, the below is described in further detail the utility model, wherein according to specific embodiment of the utility model also by reference to the accompanying drawings
Fig. 1 is prefabricated complex heat-preservation Pipe Elbow Element structural representation described in the utility model;
Fig. 2 is the structural representation of pipe-line system described in the utility model;
Fig. 3 is the straight pipeline cell schematics in pipe-line system described in the utility model;
Fig. 4 is the joint schematic diagram in pipe-line system described in the utility model;
In figure, reference character is expressed as: the 1-working pipe; The 2-heat insulation layer; The outer pillar of 3-; The 4-thermal insulation layer; The 5-ring support; 6-joint thermal insulation layer; The 7-outer protective layer.
Embodiment
Below with reference to accompanying drawing, use following examples that the utility model is further set forth.
A kind of prefabricated complex heat-preservation Pipe Elbow Element shown in Figure 1 comprises the working pipe 1 of arc, outer pillar 3, thermal insulation layer 4 and the heat insulation layer 2 of arc; Described working pipe 1 can be used any can making the pipeline material that high temperature media is carried of the prior art, in the present embodiment, as preferred embodiment, described working pipe 1 is made as steel pipe, described outer pillar adopts high density polyethylene (HDPE) to make, can certainly adopt other materials to make, the radian of described working pipe 1 and outer pillar 3 is any radian in 0-∏, in the present embodiment, the radian of described working pipe 1 and outer pillar 3 is ∏/2, and described outer pillar 3 is placed on the outside of described working pipe 1; Described thermal insulation layer 4 is placed on the outside of described working pipe 1, and between described working pipe 1 and described outer pillar 3, described thermal insulation layer can use any thermal insulating material of the prior art to make, and in the present embodiment, described thermal insulation layer 4 is polyurethane foam; Described heat insulation layer 2 is placed on the outside of described working pipe 1, and described heat insulation layer 2 is between described thermal insulation layer 4 and working pipe 1, but described heat insulation layer 2 can use and anyly play heat insulating function and make the temperature of described thermal insulation layer 4 be reduced to material in tolerance range, in the present embodiment, described heat insulation layer 2 is made as the aerogel carpet veneer.
in above-mentioned Pipe Elbow Element using process, the high temperature media heat that transmits in described Pipe Elbow Element is sealed up for safekeeping in described working pipe 1 by certain thickness heat insulation layer 2, after the heat insulating function of described heat insulation layer 2, can be passed to the heat of described polyurethane foam seldom, its temperature is reduced in the scope that polyurethane foam can bear, make the described Pipe Elbow Element can be for a long time for delivery of high temperature media, avoided the polyurethane foam temperature tolerance that uses in the prior art poor, the polyurethane foam insulation layer of filling in thermal insulation pipe is easily because of Long Term Contact hot environment carbonization distortion, lose insulation effect, cause the problem for the thermal insulation pipe shortening in working life that transmits high temperature media, and can be applicable to have the installation landform of warp architecture.
on the basis of above-described embodiment, as disposable mode of execution, described Pipe Elbow Element also comprises ring support 5, described ring support 5 is placed on the outside of described working pipe 1, and described ring support 5 is between described working pipe 1 and outer pillar 3, the madial wall of described ring support 5 compresses the outer side wall of described working pipe 1, the outer side wall of described ring support 5 passes described heat insulation layer 2 and described thermal insulation layer 4 and compresses the madial wall of described outer pillar 3, described ring support 5 is any ring structure of can be simultaneously working pipe 1 and outer pillar 3 being played a supporting role, the number of described ring support 5 can arrange arbitrarily as required, in the present embodiment, described ring support 5 is two, and be placed on respectively on the outer side wall near described working pipe two ends, in the present embodiment, it is hollow structure between the madial wall of described ring support 5 and outer side wall, be provided with a plurality of stiffening plates that radially extend along ring support 5 in this hollow structure, described stiffening plate is connected with each other madial wall and the outer side wall of described ring support 5, thereby make playing a supporting role for described working pipe 1 and described outer pillar 3 of described ring support 5, and described ring support 5 can also improve the sheathed coaxality between described working pipe 1 and described outer pillar 3.
On this basis, as shown in Figure 2, the utility model further proposes a kind of pipe-line system of using above-mentioned Pipe Elbow Element, comprises piping unit and joint, interconnects by described joint between described piping unit; Described piping unit is straight pipeline unit or described Pipe Elbow Element, and at least one described piping unit is described Pipe Elbow Element, and in the present embodiment, described pipe-line system is comprised of two straight pipeline unit, a Pipe Elbow Element and two joints; As shown in Figure 3, described straight pipeline unit comprises columniform working pipe 1 and outer pillar 3, and described outer pillar 3 is placed on the outside of described working pipe 1; Thermal insulation layer 4, described thermal insulation layer 4 is placed on the outside of described working pipe 1, and between described working pipe 1 and described outer pillar 3, described thermal insulation layer 4 is polyurethane foam; Heat insulation layer 2, described heat insulation layer 2 is placed on the outside of described working pipe 1, and described heat insulation layer 2 is between described thermal insulation layer 4 and described working pipe 1, and in the present embodiment, described heat insulation layer 2 is the aerogel carpet veneer; As shown in Figure 4, described joint comprises joint thermal insulation layer 6 and outer protective layer 7, described joint thermal insulation layer 6 is filled in the described thermal insulation layer 4 of adjacent described piping unit and the seam crossing of described outer pillar 3, and described outer protective layer 7 is nested with in the outside of described joint thermal insulation layer 6 and the outside of the described outer pillar 3 of part of the described piping unit that joins with described joint thermal insulation layer 6.Wherein, radial direction along described outer pillar 3, the width of described joint thermal insulation layer 6 is equal to or greater than the width of described thermal insulation layer 4, in the present embodiment, along the radial direction of described outer pillar 3, the width of described joint thermal insulation layer 6 equals the pipe thickness sum of width and the described outer pillar 3 of described thermal insulation layer 4; Described outer protective layer 7 is nested with in the outside of described joint thermal insulation layer 6 and the outside of the described outer pillar 3 of part of the described straight pipeline unit that is connected with described joint thermal insulation layer 6.Like this, during use, can connect described straight pipeline unit and/or described Pipe Elbow Element as required, and then form described pipe-line system; And the described joint thermal insulation layer 6 in described joint and described outer protective layer 7 can avoid heat to scatter and disappear along the piping unit seam crossing.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all mode of executions exhaustive.And the apparent variation of being extended out thus or change still are among the protection domain of the invention.
Claims (6)
1. a prefabricated complex heat-preservation Pipe Elbow Element, comprise,
The outer pillar (3) of the working pipe of arc (1) and arc, described outer pillar (3) is placed on the outside of described working pipe (1);
Thermal insulation layer (4), described thermal insulation layer (4) is placed on the outside of described working pipe (1), and is positioned between described working pipe (1) and described outer pillar (3);
Described thermal insulation layer (4) is polyurethane foam;
It is characterized in that;
Also comprise heat insulation layer (2), described heat insulation layer (2) is placed on the outside of described working pipe (1), and described heat insulation layer (2) is positioned between described working pipe (1) and described thermal insulation layer (4).
2. prefabricated complex heat-preservation Pipe Elbow Element according to claim 1, it is characterized in that: described working pipe (1) is identical with the radian of described outer pillar (3).
3. prefabricated complex heat-preservation Pipe Elbow Element according to claim 2, it is characterized in that: described radian is 0-∏.
4. according to claim 1-3 arbitrary described prefabricated complex heat-preservation Pipe Elbow Elements, it is characterized in that: described heat insulation layer (2) is the aerogel carpet veneer.
5. prefabricated complex heat-preservation Pipe Elbow Element according to claim 4, it is characterized in that: also comprise ring support (5), described ring support (5) is placed between described working pipe (3) and described outer pillar (1), the madial wall of described ring support (5) compresses the outer side wall of described working pipe (1), and the outer side wall of described ring support (5) passes described heat insulation layer (2) and described thermal insulation layer (4) and compresses the madial wall of described outer pillar (3).
6. right to use requires the pipe-line system of 1 or 2 or 3 or 5 described Pipe Elbow Elements, it is characterized in that:
Described pipe-line system comprises piping unit and joint, interconnects by described joint between described piping unit; Described piping unit is straight pipeline unit or described Pipe Elbow Element, and in described pipe-line system, at least one described piping unit is described Pipe Elbow Element;
Described straight pipeline unit comprises columniform working pipe (1) and outer pillar (3), and described outer pillar (3) is placed on the outside of described working pipe (1); Thermal insulation layer (4), described thermal insulation layer is placed on the outside of described working pipe (1), and is positioned between described working pipe (1) and outer pillar (3), and described thermal insulation layer (4) is polyurethane foam; Heat insulation layer (2), described heat insulation layer (2) is placed on the outside of described working pipe (1), and described heat insulation layer (2) is positioned between described thermal insulation layer (4) and working pipe (1);
Described joint comprises joint thermal insulation layer (6) and outer protective layer (7), described joint thermal insulation layer (6) is filled in the described thermal insulation layer (4) of adjacent described piping unit and the seam crossing of described outer pillar (3), and described outer protective layer (7) is nested with in the outside of described joint thermal insulation layer (6) and the outside of the described outer pillar of part (3) of the described piping unit that joins with described joint thermal insulation layer (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320256569 CN203273199U (en) | 2013-05-13 | 2013-05-13 | Prefabricated composite heat-preservation bent pipe unit and pipeline system comprising same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320256569 CN203273199U (en) | 2013-05-13 | 2013-05-13 | Prefabricated composite heat-preservation bent pipe unit and pipeline system comprising same |
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| CN203273199U true CN203273199U (en) | 2013-11-06 |
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| CN 201320256569 Expired - Lifetime CN203273199U (en) | 2013-05-13 | 2013-05-13 | Prefabricated composite heat-preservation bent pipe unit and pipeline system comprising same |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373688A (en) * | 2014-10-31 | 2015-02-25 | 哈尔滨朗格斯特节能科技有限公司 | Double working steel pipes of prefabricated directly-buried insulating pipe and manufacturing method |
| CN104373773A (en) * | 2014-10-31 | 2015-02-25 | 哈尔滨朗格斯特节能科技有限公司 | Method for fixing alarm lines of intelligent prefabricated directly-buried crosslinked polyethylene thermal insulation pipe fitting elbow |
| CN105299386A (en) * | 2015-12-08 | 2016-02-03 | 朗格斯特哈尔滨环保节能产品制造有限公司 | Rigid polyurethane heat-insulation pipe fitting containing polyurethane concentric device and manufacturing method |
| CN105299385A (en) * | 2015-12-08 | 2016-02-03 | 朗格斯特哈尔滨环保节能产品制造有限公司 | Thermal insulation pipe with polyurethane and polyethylene bridging substances and manufacturing method |
| CN105333268A (en) * | 2015-12-08 | 2016-02-17 | 朗格斯特哈尔滨环保节能产品制造有限公司 | Heat preservation pipe fitting with high-density hard polyurethane and foaming method thereof |
| CN105333267A (en) * | 2015-12-08 | 2016-02-17 | 朗格斯特哈尔滨环保节能产品制造有限公司 | Heat insulation pipeline with high-density hard polyurethane and foaming method thereof |
| CN105715914A (en) * | 2016-03-18 | 2016-06-29 | 上海熠翌节能技术有限公司 | Insulation sleeve for engine |
| CN109099252A (en) * | 2018-08-23 | 2018-12-28 | 山西理工红日节能服务有限公司 | Prefabricated thermal insulation dog-ear pipe fitting and preparation method thereof |
| CN110578847A (en) * | 2019-09-20 | 2019-12-17 | 储超超 | Heating heat preservation pipe elbow |
| CN111457195A (en) * | 2020-05-20 | 2020-07-28 | 杭州南林新型保温材料有限公司 | Pipeline heat preservation elbow structure |
| CN113883352A (en) * | 2018-08-23 | 2022-01-04 | 山西理工红日节能服务有限公司 | Prefabricated heat preservation double-deck return bend |
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2013
- 2013-05-13 CN CN 201320256569 patent/CN203273199U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373688A (en) * | 2014-10-31 | 2015-02-25 | 哈尔滨朗格斯特节能科技有限公司 | Double working steel pipes of prefabricated directly-buried insulating pipe and manufacturing method |
| CN104373773A (en) * | 2014-10-31 | 2015-02-25 | 哈尔滨朗格斯特节能科技有限公司 | Method for fixing alarm lines of intelligent prefabricated directly-buried crosslinked polyethylene thermal insulation pipe fitting elbow |
| CN105299386A (en) * | 2015-12-08 | 2016-02-03 | 朗格斯特哈尔滨环保节能产品制造有限公司 | Rigid polyurethane heat-insulation pipe fitting containing polyurethane concentric device and manufacturing method |
| CN105299385A (en) * | 2015-12-08 | 2016-02-03 | 朗格斯特哈尔滨环保节能产品制造有限公司 | Thermal insulation pipe with polyurethane and polyethylene bridging substances and manufacturing method |
| CN105333268A (en) * | 2015-12-08 | 2016-02-17 | 朗格斯特哈尔滨环保节能产品制造有限公司 | Heat preservation pipe fitting with high-density hard polyurethane and foaming method thereof |
| CN105333267A (en) * | 2015-12-08 | 2016-02-17 | 朗格斯特哈尔滨环保节能产品制造有限公司 | Heat insulation pipeline with high-density hard polyurethane and foaming method thereof |
| CN105715914A (en) * | 2016-03-18 | 2016-06-29 | 上海熠翌节能技术有限公司 | Insulation sleeve for engine |
| CN109099252A (en) * | 2018-08-23 | 2018-12-28 | 山西理工红日节能服务有限公司 | Prefabricated thermal insulation dog-ear pipe fitting and preparation method thereof |
| CN113883352A (en) * | 2018-08-23 | 2022-01-04 | 山西理工红日节能服务有限公司 | Prefabricated heat preservation double-deck return bend |
| CN113883352B (en) * | 2018-08-23 | 2023-11-21 | 山西理工红日节能服务有限公司 | Prefabricated heat-insulating double-layer bent pipe |
| CN110578847A (en) * | 2019-09-20 | 2019-12-17 | 储超超 | Heating heat preservation pipe elbow |
| CN110578847B (en) * | 2019-09-20 | 2020-12-11 | 华巨管道(山东)有限公司 | Heating heat preservation pipe elbow |
| CN111457195A (en) * | 2020-05-20 | 2020-07-28 | 杭州南林新型保温材料有限公司 | Pipeline heat preservation elbow structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20131106 |