CN201269382Y - Fluid thermal insulation pipe and thermal insulating pipe sheath used for the same - Google Patents
Fluid thermal insulation pipe and thermal insulating pipe sheath used for the same Download PDFInfo
- Publication number
- CN201269382Y CN201269382Y CNU2008201752034U CN200820175203U CN201269382Y CN 201269382 Y CN201269382 Y CN 201269382Y CN U2008201752034 U CNU2008201752034 U CN U2008201752034U CN 200820175203 U CN200820175203 U CN 200820175203U CN 201269382 Y CN201269382 Y CN 201269382Y
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- thermal insulation
- pipe
- fluid
- insulation pipe
- heat
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- Expired - Fee Related
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Abstract
The utility model relates to a pipe and an attached casing thereof, in particular to a fluid temperature insulating pipe and a temperature insulating pipe casing sheathed on the temperature insulating pipe, which are used for transporting fluid and maintaining the temperature of the fluid in the transporting process. The temperature insulating pipe comprises an inner cavity used for the fluid flowing, the shape of the cross section of the inner cavity is matched with the shape of the shell of the temperature insulating pipe, the inner cavity and the shell of the temperature insulating pipe form a pipe wall, the depth of the pipe wall descends from the highest point to the lowest point of the pipe body, and the cross section of the liquid temperature insulating pipe is axis symmetrical along the perpendicular bisector. The temperature insulating pipe casing consists of two parts and is sheathed on the fluid temperature insulating pipe, the temperature insulating effect of the fluid temperature insulating pipe is improved without increasing the costs of the whole temperature insulating pipe by using the technical program, so the large-scale applications in life or industrial production are more convenient.
Description
Technical field
The utility model relates to a kind of pipe and the external member of attaching troops to a unit thereof, and specifically is meant a kind of transmitting fluid that is used for, and keeps the fluid thermal insulation pipe of the temperature of fluid in transmission course and be set in this thermal insulation pipe getting heat-insulating cover.
Background technique
The temperature that in communal facility, in regular meeting need the process at transmitting fluid, keeps fluid; satisfying various life and industrial needs, thus people's model utility various transmission pipelines guarantee the maintenance of the temperature in the process of fluid transmission.
Wherein publication number is CN1837669, and the Chinese utility model patent that name is called " vacuum heat-preserving tube " discloses a kind of vacuum heat-preserving tube, and it includes body, and the body two ends have flange; It is characterized in that: the body outside is with the sleeve pipe of continuous wave pattern structure, constitutes vacuum chamber between sleeve pipe and body.The utility model vacuum heat-preserving tube, simple in structure, the continuous wave pattern structure of sleeve pipe can be improved its stress relation, is difficult for breaking because of the modified difference that the temperature difference between the inner and outer pipes produces, and also helps strengthening tube sheet compressive strength.It is flexible that the continuous wave pattern structure of body also can absorb most of body that produces because of expanding with heat and contract with cold, and the vacuum heat-preserving pipe range can reduce the consumption of expansion joint during apart from connection.Vacuum heat-preserving tube is easy to make, convenience is transported, cost is lower, is particularly conducive to the heat insulation vacuum heat-preserving tube of carrying high-temperature water or steam, is a kind of broad-spectrum vacuum heat-preserving tube.
In addition, publication number is CN1815074, the Chinese utility model patent that name is called " thermal-insulation air pipe, attemperater " discloses a kind of thermal insulation pipe, it relates to a kind of insulation pipe and flange thereof, on central air-conditioner ventilation duct and the various water pipe that needs to be incubated, form thermal-insulation air pipe, the attemperater that can adopt one casting flange, movable flange or fixed flange to connect at the pipe joint place for three layers by FRIM (FRIM), extrusion moulding type polystyrene thermal insulation layer, aluminium foil.Be characterized in: it is made up of for three layers FRIM (FRIM), extrusion moulding type polystyrene thermal insulation layer, aluminium foil, and the extrusion moulding type polystyrene thermal insulation layer is made section bar four sides one, four jiaos of no seams in place; Can adopt one casting flange, movable flange or fixed flange to connect at the pipe joint place.As adopt movable flange to connect, it is made up of turning and " F " pipeline profile of strap bolt hole and inserted sheet, therefore pipeline can be made section bar and cut as required, the utlity model has high insulating effect with certain-length, make ensure the quality of products behind the section bar, easy for installation, time-saving characteristics.
Secondly, publication number is CN2903638, and the Chinese utility model patent that name is called " just clean lagging " discloses a kind of just clean heat-insulating cover.Its technological scheme is the compound or structure that is bonded as one of thermal-protective coating and protective coating, is respectively equipped with inter-adhesive adhering buckle on the involutory limit of protective coating.Be extended with the box cupling of sleeve-like respectively at the two ends of heat-insulating cover.This box cupling also can be used as joint two heat-insulating covers is coupled together, if use and can strengthen the performance of its waterproof with the leather adhesive plaster with joint sealing in the rainy place of humidity.Determine the width of heat-insulating cover according to the size of pipeline diameter.Effect of the present utility model is that main material of the present utility model is leather, felt, there is not glass fibre, also need not to paint waterproof, button easy to use is installed, and installing/dismounting uses repeatedly at any time, and the more original way of heat insulation effect improves a lot, preparation process is simple, and cost reduces greatly, has reduced labor intensity.
But, the thermal insulation pipe of the prior art of above-mentioned Chinese patent representative and the heat-insulating cover normally multi-layer structure by uniform thickness is set and/or manufactured materials adopt the thermal insulation material to reach purpose that the fluid to its internal transmission is incubated, but but ignore the influence of pipe thickness to the transmitting fluid heat insulation effect.Therefore, the utility model just is based on that the shortcoming of above-mentioned prior art proposes a kind ofly adopts the fluid thermal insulation pipe of tube wall in uneven thickness and is sheathed on the technological scheme that heat-insulating cover in uneven thickness is incubated transmitting fluid that has on this thermal insulation pipe, such design has strengthened the heat insulation effect of fluid thermal insulation pipe in the cost that has not increased the fluid thermal insulation pipe.
The model utility content
Goal of the invention of the present utility model is to provide a kind of fluid thermal insulation pipe that tube wall convection cell in uneven thickness is incubated and fluid heat-insulating cover that is sheathed on the same employing tube wall in uneven thickness on this fluid thermal insulation pipe of adopting.
In order to realize above-mentioned model utility purpose, the utility model adopts following technological scheme:
A kind of fluid thermal insulation pipe, comprise in this thermal insulation pipe and be used for the inner chamber that fluid flows, the shape of this intracavity section matches with the shell shape of this thermal insulation pipe, the tube wall that this inner chamber and thermal insulation pipe shell form, the thickness of this tube wall is successively decreased to body minimum point place by body peak place, and axisymmetric is adopted along perpendicular bisector in the cross section of this fluid thermal insulation pipe.
Described body peak place to the pipe thickness of the midpoint of inner chamber is successively decreased, and the inner chamber midpoint is to the body thickness uniformity at body minimum point place; Perhaps described body peak place is to the pipe thickness uniformity of the midpoint of inner chamber, and the inner chamber midpoint is to the body thickness uniformity at body minimum point place.
Described body peak place is 2: 1 with the ratio of the thickness of the tube wall at body minimum point place.
Be provided with vacuum chamber or air cavity in the described tube wall, the thickness of this vacuum or air cavity is evenly to be provided with or inhomogeneous setting; The vacuum of described inhomogeneous setting or the thickness of air cavity successively decrease to the body minimum point along the body peak.
Described body skin also comprises one deck thermal insulation layer and protective layer at least successively.
The vertical patrix blocking of described thermal insulation pipe is provided with, and be provided with at the two ends of this vertical module can interconnective interface.
The shape of cross section of described thermal insulation pipe is circle or rectangle or ellipse.
The pipe thickness of described heat-insulating cover is successively decreased to body minimum point place by the peak place in pipe box cross section, this heat-insulating cover laterally is that the two-part by mutual fastening constitute, and these two-part of institute fasten back internal cavities and described thermal insulation pipe shell shape and big or small corresponding.
Two-part that described heat-insulating cover fastens mutually are that corresponding two-part or this two-part that fasten mutually of being cut apart by pipe box cross section perpendicular bisector be corresponding two-part of being cut apart by pipe box cross section horizontal central line.
The also corresponding fastening that cooperatively interacts that is provided with on two-part of described mutual fastening.The sectional shape of the shape that is meant intracavity section and fluid thermal insulation pipe shell is identical or similar and the inner chamber that is used for fluid flow and the shape of the shell of fluid thermal insulation pipe match, such as the shell sectional shape of fluid thermal insulation pipe is circular, and the sectional shape of inner chamber be circular or oval or circle combines with oval-shaped so; And for example the sectional shape of the shell of fruit fluid thermal insulation pipe is a rectangle, so intracavity section be shaped as rectangle or trapezoidal, by that analogy.
The peak of alleged body just is meant the top in the cross section after the described thermal insulation pipe installation; The minimum point of the body that the utility model is alleged just is meant the lowermost end in the cross section after the described thermal insulation pipe installation; The mid point of body then is meant the cross section horizontal subdivision line of body and the intersection point of section edges
Described fluid is the various liquid and the gases that are incubated of need needing in transmission course;
By adopting above-mentioned technological scheme, provide a kind of and can utilize fluid thermal insulation pipe that tube wall convection cell in uneven thickness is incubated and the fluid heat-insulating cover that is sheathed on employing tube wall in uneven thickness same on this fluid thermal insulation pipe.Under the condition of cost that does not increase whole thermal insulation pipe, improve the heat insulation effect of fluid thermal insulation pipe like this, also made things convenient for its large-scale application simultaneously in life or industrial production.
Description of drawings
What show among Fig. 1 is the schematic cross-section of thermal insulation pipe in the prior art;
What show among Fig. 2 is first embodiment's schematic representation that circular cross-section is adopted in the utility model body cross section;
What show among Fig. 3 is second embodiment's schematic representation that circular cross-section is adopted in the utility model body cross section;
What show among Fig. 4 is the 3rd embodiment's schematic representation that circular cross-section is adopted in the utility model body cross section;
What show among Fig. 5 is the 4th embodiment's schematic representation that the rectangular cross-section is adopted in the utility model body cross section;
What show among Fig. 6 is the schematic representation that the 5th embodiment of elliptic cross-section is adopted in the utility model body cross section;
What show among Fig. 7 is embodiment's schematic representation that air layer is set in the utility model body cross section;
What show among Fig. 8 is the schematic cross-section that the first embodiment basis is provided with a kind of vacuum layer;
What show among Fig. 9 is the schematic cross-section that the first embodiment basis is provided with another thermal insulation layer;
What show among Figure 10 is the schematic cross-section that is set in first embodiment of the outer heat-insulating cover of fluid thermal insulation pipe of the present utility model;
What show among Figure 11 is the schematic cross-section that is set in second embodiment of the outer heat-insulating cover of fluid thermal insulation pipe of the present utility model;
Each label proxy component title is described as follows in the accompanying drawing:
1 thermal insulation pipe, 11 inner casings, 12 thermal insulation layers, 13 shells
2 fluid thermal insulation pipes, 21 inner chambers, 22 bodys, 23 vacuum/air cavity
H1 body peak L1 body minimum point M1 body mid point
3 heat-insulating covers, 31 heat-insulating cover inner chambers, 32 fastening
Embodiment
The utility model is to provide a kind of can reduce the fluid thermal insulation pipe of fluid dispersed heat and the heat-insulating cover that is set in the correspondence of this thermal insulation pipe outside in the fluid transmission course.It mainly is to realize above-mentioned purpose by the tube wall that employing is provided with thermal insulation pipe in uneven thickness and heat-insulating cover.This mainly is to have utilized following principle: in the same space inner fluid flow process, the density of the fluid that the higher fluid density of temperature is lower than temperature is generally all little, in the flow process of fluid, the higher fluid of temperature is positioned at above the lower fluid of temperature like this.Like this by the more corresponding cryogen thicker heat preservation effect that strengthens of tube wall partly with the tube wall setting partly of corresponding high temperature fluid.
What show among Fig. 1 is the schematic representation in the cross section of existing thermal insulation pipe, and this thermal insulation pipe 1 comprises inner casing 11 from inside to outside, and is arranged on thermal insulation layer 12 and the shell 13 in order to protect whole body on the inner casing 11.Wherein inner casing 11 is made by the material of the flow-induced corrosion that is difficult for being transmitted by inside usually; And the thermal insulation layer 12 in inner casing 11 outsides is generally composite bed, can comprise several layers of structure, is usually made by special thermal insulating material or also can comprise vacuum layer or air layer; And play a protective role at 13 pairs of whole bodys of shell of the skin setting of thermal insulation layer 12, so shell 13 is made of metallic material usually.But the thickness of the tube wall of whole body of the prior art is uniformly, and the material that such structure still will rely on the number of plies of thermal insulation layer 12 composite beds and make thermal insulation layer 12 decides the heat insulation effect of convection cell in this thermal insulation pipe 1.
What show among Fig. 2 is exactly the schematic cross-section that adopts first embodiment of technical solutions of the utility model, fluid thermal insulation pipe 2 among the figure includes only one deck body 22, fluid flows by the inner chamber 21 that is arranged within the body 22, and the cross section of this fluid thermal insulation pipe 2 is a circle on the whole, its inner chamber 21 sectional shapes are the non-circular concentric that matches on the whole with this cross section, the center of circle of inner chamber 21 is on the diameter of the Vertical direction of fluid thermal insulation pipe 2, inner chamber 21 forms tube wall in uneven thickness with the body shell like this, and to make the thickness of this tube wall constantly reduce to minimum point by the cross section peak, the cross section of whole fluid thermal insulation pipe 2 is along its central shaft symmetry simultaneously.
Illustrated that above the thickness at the peak H1 place of the body 22 of this fluid thermal insulation pipe 2 is to the thickness attenuation gradually of the tube wall at the minimum point L1 place of the body 22 of fluid thermal insulation pipe 2.The ratio of the thickness of the tube wall at the peak H1 place of the body 22 of this fluid thermal insulation pipe 2 wherein and the thickness of the tube wall at the body 22 minimum point L1 places of fluid thermal insulation pipe 2 is preferably at 2:1, be like this because the thickness of having selected this tube wall than after do not make the heat insulation effect of fluid thermal insulation pipe 2 reach best under the condition of cost of idleness.Need to prove the thermal insulating material of the material employing hard of these fluid thermal insulation pipe 2 bodys in addition, this material has a variety of and is to well known to a person skilled in the art technology general knowledge, has not here just given unnecessary details one by one.
What show among Fig. 3 is the schematic cross-section that adopts second embodiment of technical solutions of the utility model, and this fluid thermal insulation pipe 2 includes only one deck body 22 equally, and fluid flows by the inner chamber within body 22 21.The cross section of this fluid thermal insulation pipe 2 is a circle on the whole, the intracavity section shape upper half part that is provided with in it is a half elliptic, half is half circular composition in addition, wherein long axis of ellipse and circular equal diameters, the first half that has so just formed whole body cross section is bigger than the thickness of Lower Half, that is to say at body 22 peak H1 and reduce gradually to the pipe thickness of the mid point M1 part of body 22, the minimum place of its thickness and this body cross section Lower Half are body 22 mid point M2 to the thickness of the tube wall of body minimum point L2 is identical, the thickness of the tube wall at the peak H1 place of wherein preferred this fluid thermal insulation pipe 2 and the ratio of the thickness of the tube wall at the minimum point L1 place of fluid thermal insulation pipe 2 are preferably at 2:1, what they were different with first embodiment is, the thickness of lower half portion integral body in tube wall cross section is identical, and such structure setting can be avoided extra the scattering and disappearing of the heat that causes owing to the bottom attenuation of tube wall cross section among first embodiment.
What show among Fig. 4 is the schematic cross-section that adopts the 3rd embodiment of the technical solution of the utility model, and this fluid thermal insulation pipe 2 includes only a body 22 equally, and fluid flows by the inner chamber within body 21.The cross section of this fluid thermal insulation pipe 2 is a circle on the whole, the intracavity section that is provided with in it is shaped as two concentric semicircles compositions that diameter does not wait, wherein the diameter of the semicircle of this cross section, fluid flow chamber first half is less than the diameter of its Lower Half semicircle, the top tube wall that has so just formed fluid thermal insulation pipe 2 cross sections is greater than the tube wall of bottom, the thickness ratio of the tube wall of the tube wall on this top, fluid thermal insulation pipe 2 cross section and bottom, cross section is preferably 2:1 simultaneously, and these fluid thermal insulation pipe 2 cross sections on, the tube wall of lower half portion is that each is evenly constant naturally, though reduced the flow of inner chamber 21 so to a certain extent, it has avoided the extraneoas loss of the heat that causes owing to the bottom attenuation of tube wall cross section among first embodiment equally.
Fig. 5, what show respectively among Fig. 6 is the rectangle of employing and the schematic representation of elliptic cross-section, the shape of the inner chamber 21 among above-mentioned two embodiments and the shape in fluid thermal insulation pipe 2 cross sections are complementary, therefore the fluid transmission inner chamber in the oval-shaped shell cross section in Fig. 4 also is oval, and the transmission of the fluid in the rectangular enclosure cross section in Fig. 5 inner chamber is approximate rectangular (being actually trapezoidal), but the purpose that they so are provided with all is to make the peak pipe thickness of body reduce gradually to the pipe thickness of body minimum point, and just the shape in body cross section changes to some extent.
What show among Fig. 7 is body schematic cross-section at the cavity that is provided with air or vacuum on the first embodiment's of the present utility model basis in the housing of this fluid thermal insulation pipe.Itself and first embodiment's difference is, it also is provided with the vacuum/air cavity 23 that matches with tubular form in body 22 (owing to air is the poor conductor of heat, therefore air cavity is good thermal insulation band), and the thickness of above-mentioned vacuum/air cavity 23 is uneven, it is attenuation gradually by body peak H1 to the thickness of body minimum point L1, and to do like this be to make this fluid thermal insulation pipe 2 can produce better heat insulation effect when saving the material of making this fluid thermal insulation pipe 2.
What show among Fig. 8 is at another body schematic cross-section that is provided with in the housing of this fluid thermal insulation pipe on the first embodiment's of the present utility model basis by the cavity of air or vacuum, wherein its with Fig. 7 in the different of vacuum/air cavity 23 among the embodiment that shows be that the vacuum/air cavity 23 in the present embodiment is uniform for thickness, also evenly be provided with the supporting structure that is used to support body intensity within it, its effect is identical with the effect of vacuum/air cavity 23 among Fig. 7, heat can only adopt radiant heat transfer in a vacuum or transmit by this hot poor conductor of air, several limited connected elements link together and only be provided with in vacuum/air cavity, therefore just can better guarantee the maintenance of these inner chamber 21 inner fluid heats like this.
What show among Fig. 9 is the improved schematic cross-section that adds thermal insulation layer on first embodiment's of the present utility model basis, it is provided with thermal insulation layer and protective layer on the utility model first embodiment's basis, be provided with many heating pipes in the thermal insulation layer of this fluid thermal insulation pipe 2, the thermal insulation layer that has just existed one deck to fill like this between the inner chamber 21 of fluid thermal insulation pipe 2 and the protective layer by heating pipe, what so just can guarantee that the temperature of the fluid in this fluid thermal insulation pipe can be very fast after reducing replenishes, so that the temperature of fluid is lost; Simultaneously also be provided with layer protective layer in the outside of thermal insulation layer, this is protective layer used to protect whole fluid thermal insulation pipe 2.
Need to prove; above-mentioned thermal insulation layer and protective layer can be multi-layer structures; wherein thermal insulation layer can promptly comprise heating arrangement, comprises the thermal insulation layer that vacuum/air layer and other thermal-protective material are made again simultaneously, so just can make that the technological scheme of thermal insulation layer is flexible and changeable.
The schematic cross-section that has then shown the heat-insulating cover that is set in above-mentioned thermal insulation pipe outside among Figure 10 and Figure 11, heat-insulating cover 3 among the figure is divided into two-part, two-part of wherein forming heat-insulating cover 3 among Figure 10 two-part that these heat-insulating cover 3 horizontal median axis are cut apart of serving as reasons, and two-part of forming heat-insulating cover 3 among Figure 11 are two-part of being cut apart by these heat-insulating cover 3 vertical medial axis.No matter in which way this heat-insulating cover 3 is cut apart, these two-part form after snapping together mutually this heat-insulating cover inner chamber 32 with its shape and the size of shell of sheathed fluid thermal insulation pipe 2 all match to guarantee that heat-insulating cover 3 and fluid thermal insulation pipe 2 can be combined together closely.The sectional shape of the shell that same this heat-insulating cover 3 is had matches with heat-insulating cover inner chamber 32, though what adopt simultaneously among the embodiment who shows in Figure 10 and Figure 11 all is that heat-insulating cover inner chamber 32 is the form of circular cross-section, the form that adopts heat-insulating cover inner chamber 32 cross sections of other shape equally in the middle of other embodiment also is fully passable.
Above-mentioned in addition heat-insulating cover 3 also needs to satisfy its pipe thickness and is successively decreased to body minimum point place by the peak place in pipe box cross section, the principle of the design of the fluid thermal insulation pipe 2 that this structure Design is same and above-mentioned is identical, equally the fluid that flows is produced corresponding insulation effect in fluid thermal insulation pipe 2, on two-part corresponding position of this heat-insulating cover 3, can be provided with fastening, when the two-part with heat-insulating cover 3 are docking together above-mentioned fastening correspondence link together and the take-up strap (generally being made of plastics) that cooperates elastic abrasion-proof material to make make this heat-insulating cover 3 whole connect tightr.If in fact above-mentioned fastening is not set, can only adopt above-mentioned take-up strap that above-mentioned heat-insulating cover 3 two-part are linked together.
Fluid thermal insulation pipe in the utility model is in order to process and convenient transportation in addition, this body vertically on be processed into can interconnected module, can adopt different interfaces to connect between module and the module, comprising flange or screw thread, and the fitted seal material connects; Can certainly or directly connect above-mentioned disparate modules by welding by above-mentioned take-up strap.Such design can be so that the connection of whole fluid thermal insulation pipe be flexible, and processing simultaneously is also convenient; Make wherein that above-mentioned not have two-part of the heat-insulating cover of cutting apart on vertical medial axis of fastening be that processing mode is the simplest, because two-part of the heat-insulating cover of being cut apart by vertical medial axis are symmetrical, so only need a mould just can finish the processing of above-mentioned heat-insulating cover.
By adopting above-mentioned technological scheme, the utility model provides a kind of and has adopted fluid thermal insulation pipe that tube wall convection cell in uneven thickness is incubated and the heat-insulating cover that cooperates with it, has improved the heat insulation effect of this fluid thermal insulation pipe and heat-insulating cover under the condition of the cost that does not increase.
Protection domain of the present utility model is not limited to the record among the embodiment of above-mentioned specification, as long as but the combination of satisfying the technical characteristics in claims of the present utility model just fallen in the protection domain of the present utility model.
Claims (10)
1, a kind of fluid thermal insulation pipe, comprise in this thermal insulation pipe and be used for the inner chamber that fluid flows, the shape of this intracavity section matches with the shell shape of this thermal insulation pipe, it is characterized in that, the tube wall that this inner chamber and thermal insulation pipe shell form, the thickness of this tube wall is successively decreased to body minimum point place by body peak place, and axisymmetric is adopted along perpendicular bisector in the cross section of this fluid thermal insulation pipe.
2, fluid thermal insulation pipe according to claim 1 is characterized in that, described body peak place to the pipe thickness of the midpoint of inner chamber is successively decreased, and the inner chamber midpoint is to the body thickness uniformity at body minimum point place; Perhaps described body peak place is to the pipe thickness uniformity of the midpoint of inner chamber, and the inner chamber midpoint is to the body thickness uniformity at body minimum point place.
3, fluid thermal insulation pipe according to claim 1 and 2 is characterized in that, described body peak place is 2:1 with the ratio of the thickness of the tube wall at body minimum point place.
4, fluid thermal insulation pipe according to claim 1 and 2 is characterized in that, is provided with vacuum chamber or air cavity in the described tube wall, and the thickness of this vacuum or air cavity is evenly to be provided with or inhomogeneous setting; The vacuum of described inhomogeneous setting or the thickness of air cavity successively decrease to the body minimum point along the body peak.
5, fluid thermal insulation pipe according to claim 4 is characterized in that, described body skin also comprises one deck thermal insulation layer and protective layer at least successively.
6, fluid thermal insulation pipe according to claim 1 or 5 is characterized in that, vertical patrix blocking of described thermal insulation pipe is provided with, and be provided with at the two ends of this vertical module can interconnective interface.
7, fluid thermal insulation pipe according to claim 1 is characterized in that, the shape of cross section of described thermal insulation pipe is circle or rectangle or ellipse.
8, a kind of heat-insulating cover that is set in the fluid thermal insulation pipe described in the claim 1, it is characterized in that, the pipe thickness of described heat-insulating cover is successively decreased to body minimum point place by the peak place in pipe box cross section, this heat-insulating cover laterally is that the two-part by mutual fastening constitute, and these two-part of institute fasten back internal cavities and described thermal insulation pipe shell shape and big or small corresponding.
9, heat-insulating cover according to claim 8, it is characterized in that two-part that described heat-insulating cover fastens mutually are that corresponding two-part or this two-part that fasten mutually of being cut apart by pipe box cross section perpendicular bisector be corresponding two-part of being cut apart by pipe box cross section horizontal central line.
10, heat-insulating cover according to claim 8 is characterized in that, the also corresponding fastening that cooperatively interacts that is provided with on two-part of described mutual fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201752034U CN201269382Y (en) | 2008-10-24 | 2008-10-24 | Fluid thermal insulation pipe and thermal insulating pipe sheath used for the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201752034U CN201269382Y (en) | 2008-10-24 | 2008-10-24 | Fluid thermal insulation pipe and thermal insulating pipe sheath used for the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201269382Y true CN201269382Y (en) | 2009-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201752034U Expired - Fee Related CN201269382Y (en) | 2008-10-24 | 2008-10-24 | Fluid thermal insulation pipe and thermal insulating pipe sheath used for the same |
Country Status (1)
| Country | Link |
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| CN (1) | CN201269382Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979991A (en) * | 2012-11-26 | 2013-03-20 | 中国平煤神马集团阳光物业有限公司 | Method for arranging cotton insulation material on heat supply pipeline |
| CN103344057A (en) * | 2013-06-27 | 2013-10-09 | 中国石油大学(华东) | Glass cover with uniformly distributed tube type solar energy heat absorber heat flux density field and light-condensing system |
| CN105943196A (en) * | 2016-06-06 | 2016-09-21 | 中国农业科学院特产研究所 | Electric heating semen collecting cup |
| CN110307405A (en) * | 2019-06-25 | 2019-10-08 | 西安交通大学 | A kind of centering type Double-layer sleeve-type heat supply pipeline |
-
2008
- 2008-10-24 CN CNU2008201752034U patent/CN201269382Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979991A (en) * | 2012-11-26 | 2013-03-20 | 中国平煤神马集团阳光物业有限公司 | Method for arranging cotton insulation material on heat supply pipeline |
| CN103344057A (en) * | 2013-06-27 | 2013-10-09 | 中国石油大学(华东) | Glass cover with uniformly distributed tube type solar energy heat absorber heat flux density field and light-condensing system |
| CN103344057B (en) * | 2013-06-27 | 2014-11-26 | 中国石油大学(华东) | Glass cover with uniformly distributed tube type solar energy heat absorber heat flux density field and light-condensing system |
| CN105943196A (en) * | 2016-06-06 | 2016-09-21 | 中国农业科学院特产研究所 | Electric heating semen collecting cup |
| CN110307405A (en) * | 2019-06-25 | 2019-10-08 | 西安交通大学 | A kind of centering type Double-layer sleeve-type heat supply pipeline |
| CN110307405B (en) * | 2019-06-25 | 2021-04-20 | 西安交通大学 | Eccentric double-layer sleeve type heat supply pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090708 Termination date: 20111024 |