CN101629670B - Prefabricated casing for insulating, sealing and waterproofing - Google Patents
Prefabricated casing for insulating, sealing and waterproofing Download PDFInfo
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- CN101629670B CN101629670B CN2009100132832A CN200910013283A CN101629670B CN 101629670 B CN101629670 B CN 101629670B CN 2009100132832 A CN2009100132832 A CN 2009100132832A CN 200910013283 A CN200910013283 A CN 200910013283A CN 101629670 B CN101629670 B CN 101629670B
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Abstract
The invention relates to a directly buried thermal pipeline with the working medium being steam or hot water, in particular to an insulating jacket structure thereof. The invention adopts the following technical scheme: with regard to a prefabricated casing for insulating, sealing and waterproofing, an outer casing is sleeved outside an inner casing; both ends of the inner casing are provided with telescopic sealing components; one end of the telescopic sealing component is connected with the inner casing and the other end thereof is connected with the outer casing; insulating materials are filled in the space formed by the telescopic sealing components, the inner casing and the outer casing. The invention has simple structure, the total length of which is the standard length of the single outer casing; the inner casing is sleeved in the outer casing, with total length less than that of the outer casing; the sealing components at both ends of the inner casing not only effectively seal the insulating materials but also automatically operate relative to the outer casing in case of thermal expansion so as to carry out compensation. The invention fully plays the roles of sealing and waterproofing at the pipeline joints during installation, completely overcomes the shortcomings of the traditional structures, ensures the insulation performance of the thermal pipeline, decreases the thermal losses of the pipe network and prolongs the service life of the pipe network.
Description
One, technical field:
The present invention relates to working medium is the directly buried installation heat distribution pipeline of steam or hot water, particularly its thermal-insulation coat structure.
Two, background technique:
In the high water level location or when crossing the place, section and laying the directly buried heat distribution pipeline road, traditional method is: the thermal insulation pipe manufacturer, working steel tube with gage length, thermal insulating material and outer sleeve make the integral structure (see figure 1) according to metric system, it is working steel tube outer wall suit thermal insulating material, the outer suit outer sleeve of thermal insulating material, this kind insulating structure and working pipe integral structure, be grouping at the scene, the installation problem that comes with some shortcomings: because high water level location or to cross section ponding more, be difficult to emptying, finally cause the unexpected water inlet of pipe joint place thermal insulating material, and then influenced the thermal insulation property of heat distribution pipeline, increased the thermal loss of pipe network, reduced the working life of pipe network.
Three, summary of the invention:
The objective of the invention is to overcome above-mentioned not enough problem, a kind of prefabricated casing for insulating, sealing and waterproofing is provided, simple in structure, long service life is widely used in the high water level location or crosses place, section directly buried installation heat distribution pipeline.
The technological scheme that the present invention is adopted for achieving the above object is: prefabricated casing for insulating, sealing and waterproofing, the outer suit outer sleeve of inner sleeve, the inner sleeve two ends have scalable black box, one end of scalable black box is connected with inner sleeve, the other end is connected with outer sleeve, the space fill insulant material that scalable black box and inner sleeve, outer sleeve are formed; Scalable black box adopts the stuffing box packing black box, outer sleeve is by connecting the fixedly connected ring outer rim of ring flat-plate, one ring inner edge and inner sleeve are slidingly connected, one ring one side is fixedlyed connected with sealed pipe one end, the sealed pipe the other end connects two rings, in the sealed pipe between a ring and two rings packing and stuffing box packing is housed.
The inner sleeve length overall is less than the outer sleeve length overall.
The inner sleeve two ends has limited ring.
The connection ring flat-plate and the outer sleeve inner wall joint of packing seal assembly are equipped with the reinforcement gusset.
Described inner sleeve length overall is less than the outer sleeve length overall, and two ends are respectively less than 50mm.
The present invention compares with traditional product, has outstanding feature: simple in structure, length overall is the gage length of single outer sleeve, inner sleeve is sleeved in the outer sleeve, and length overall is less than the outer sleeve length overall, the black box at inner sleeve two ends not only effectively seals thermal insulating material, and it moves automatically with respect to outer sleeve under the heat expansion situation, compensates.Install and use more convenient fast,, earlier structure of the present invention is set in the outside of working pipe, each interface is welded to connect respectively gets final product afterwards in the high water level location or when crossing the section and laying the directly buried heat distribution pipeline road.Prefabricated casing for insulating, sealing and waterproofing structure of the present invention has played the effect of the water-tight at pipe joint place when installing fully, overcome the deficiency of conventional construction fully, guaranteed heat distribution pipeline thermal insulation property, reduced pipe network thermal loss, prolonged working life of pipe network.
Four, description of drawings:
Fig. 1 is the conventional construction schematic representation.
Fig. 2 is structural representation of the present invention (a ripple black box).
Fig. 3 is structural representation of the present invention (a packing seal assembly).
Five, embodiment:
Below in conjunction with accompanying drawing the present invention is described in further detail:
Prefabricated casing for insulating, sealing and waterproofing as shown in Figure 2 is set with inner sleeve 9 in the outer sleeve 1, the ripple black box is equipped with at inner sleeve 9 two ends, and two ripple black boies are welded to connect and are formed by a ring 4, connecting tube 5, bellows 6, two rings 7 respectively; Inner sleeve 9 two ends are welded to connect with the ripple black box by two rings respectively; Two ripple black boies are welded to connect with outer sleeve by a ring respectively; Strengthening gusset 3 is connected between an outer sleeve 1 and the ring 4; Thermal insulating material 8 is filled in the space of being made up of two ripple black boies and outer sleeve, inner sleeve; The inner sleeve two ends is welded to connect a limited ring 2 respectively, guarantees the relative position of inner sleeve with outer sleeve; The inner sleeve length overall is less than outer sleeve length overall (outer sleeve is a gage length), and two ends are respectively less than 50mm, the free thermal walking of inner sleeve both sides when guaranteeing pipe network operation.The same inner sleeve of ripple black box, outer sleeve acting in conjunction: (one) has guaranteed the relative displacement that produces owing to expanding with heat and contract with cold between inner sleeve, the outer sleeve; (2) adopt seal welding to connect between ripple black box, inner sleeve, the outer sleeve, guaranteed the reliable sealing of structure, make in the high water level location or when crossing the section and laying the directly buried heat distribution pipeline road, effectively avoided the problem of the unexpected water inlet of jointing thermal insulating material.
Prefabricated casing for insulating, sealing and waterproofing as shown in Figure 3, inner sleeve 9 is made of welded connection by two inner sleeves one and an inner sleeve two, carries out hard chromium plating in two inner sleeve one outer wall seal length scopes and handles (hard chromium plating effect: the antiseptic property that has strengthened sealing surface); Black box is installed at inner sleeve 9 two ends, black box is the packing seal assembly, and black box is formed (effect of black box: guarantee that slide relative between inner sleeve, the outer sleeve is to absorb the extending amount of its generation of expanding with heat and contract with cold) by sealed pipe 12, a ring 4, two rings 7 respectively; Sealed pipe 12 tail ends have seam, and two rings 7 are contained in sealed pipe seam inboard, and a ring 4 outer walls have seam, are welded to connect with sealed pipe 12; One ring, 4, two rings 7 are stiffening ring (to inner sleeve because the slip that produces of expanding with heat and contract with cold plays the positioning and guiding effect), and inwall is equipped with anti-corrosion bearing shell (having strengthened sealing, antiseptic property) respectively; Stuffing box packing is adopted to be equipped with between a ring and two rings and notes packing packing material 11 is housed, sealed pipe and stuffing box packing acting in conjunction between graphite packing 10, the graphite packing 10: (one) has guaranteed the slide relative that produces owing to expanding with heat and contract with cold between inner sleeve, the outer sleeve; (2) stuffing box packing of function admirable has guaranteed the reliable sealing of structure, makes in the high water level location or when crossing the section and laying the directly buried heat distribution pipeline road, has effectively avoided the problem of the unexpected water inlet of jointing thermal insulating material); Two sealed pipes are connected with outer sleeve 1 seal welding by connecting ring flat-plate 13 respectively; Strengthening gusset 3 is connected outer sleeve 1 and is connected between the ring flat-plate 13; Thermal insulating material 8 is filled in the space of being made up of two black boies and outer sleeve 1, inner sleeve 9; Two inner sleeve one terminations are welded to connect a limited ring 2 respectively, guarantee the relative position of inner sleeve with outer sleeve; The inner sleeve length overall is less than outer sleeve length overall (outer sleeve is a gage length), and two ends are respectively less than 50mm, the free thermal walking of inner sleeve both sides when guaranteeing pipe network operation.
Structure length overall of the present invention is the gage length of single outer sleeve, in the high water level location or cross the section and lay the method in directly buried heat distribution pipeline road and be: earlier structure of the present invention is set in the outside of working pipe, each interface is welded to connect respectively gets final product afterwards.
Claims (5)
1. prefabricated casing for insulating, sealing and waterproofing, it is characterized in that: the outer suit outer sleeve of inner sleeve, the inner sleeve two ends have scalable black box, one end of scalable black box is connected with inner sleeve, the other end is connected with outer sleeve, scalable black box and inner sleeve, the space fill insulant material that outer sleeve is formed, scalable black box adopts the stuffing box packing black box, outer sleeve is by connecting the fixedly connected ring outer rim of ring flat-plate, one ring inner edge and inner sleeve are slidingly connected, one ring one side is fixedlyed connected with sealed pipe one end, and the sealed pipe the other end connects two rings, in the sealed pipe between a ring and two rings packing and stuffing box packing is housed.
2. prefabricated casing for insulating, sealing and waterproofing according to claim 1 is characterized in that: the inner sleeve length overall is less than the outer sleeve length overall.
3. according to the arbitrary described prefabricated casing for insulating, sealing and waterproofing of claim 1-3, it is characterized in that: the inner sleeve two ends has limited ring.
4. prefabricated casing for insulating, sealing and waterproofing according to claim 1 is characterized in that: the connection ring flat-plate and the outer sleeve inner wall joint of packing seal assembly are equipped with the reinforcement gusset.
5. according to the arbitrary described prefabricated casing for insulating, sealing and waterproofing of claim 1-4, it is characterized in that: the inner sleeve length overall is less than the outer sleeve length overall, and two ends are respectively less than 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100132832A CN101629670B (en) | 2009-08-19 | 2009-08-19 | Prefabricated casing for insulating, sealing and waterproofing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100132832A CN101629670B (en) | 2009-08-19 | 2009-08-19 | Prefabricated casing for insulating, sealing and waterproofing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101629670A CN101629670A (en) | 2010-01-20 |
| CN101629670B true CN101629670B (en) | 2011-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100132832A Active CN101629670B (en) | 2009-08-19 | 2009-08-19 | Prefabricated casing for insulating, sealing and waterproofing |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966464B (en) * | 2019-10-31 | 2021-11-12 | 吉林省热力工程设计研究有限责任公司 | Special composite sleeve device for heating power |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4332401A (en) * | 1979-12-20 | 1982-06-01 | General Electric Company | Insulated casing assembly |
| JP2000028080A (en) * | 1998-07-13 | 2000-01-25 | Bushu Kogyo Kk | Fluid insulating transport tube |
| CN1490548A (en) * | 2002-10-14 | 2004-04-21 | 孙绍奇 | Composite silicon corrosionproof thermal insulating pipeline products on direct buried heat network of pipeline |
| CN2893373Y (en) * | 2006-05-01 | 2007-04-25 | 江苏地龙管业有限公司 | Direct-buried vacuum steam thermal insulating pipe fittings |
| CN200968466Y (en) * | 2006-02-17 | 2007-10-31 | 中国船舶重工集团公司第七二五研究所 | Totally-enclosed direct-burried corrugated pipe expansion-joint |
-
2009
- 2009-08-19 CN CN2009100132832A patent/CN101629670B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4332401A (en) * | 1979-12-20 | 1982-06-01 | General Electric Company | Insulated casing assembly |
| JP2000028080A (en) * | 1998-07-13 | 2000-01-25 | Bushu Kogyo Kk | Fluid insulating transport tube |
| CN1490548A (en) * | 2002-10-14 | 2004-04-21 | 孙绍奇 | Composite silicon corrosionproof thermal insulating pipeline products on direct buried heat network of pipeline |
| CN200968466Y (en) * | 2006-02-17 | 2007-10-31 | 中国船舶重工集团公司第七二五研究所 | Totally-enclosed direct-burried corrugated pipe expansion-joint |
| CN2893373Y (en) * | 2006-05-01 | 2007-04-25 | 江苏地龙管业有限公司 | Direct-buried vacuum steam thermal insulating pipe fittings |
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| Publication number | Publication date |
|---|---|
| CN101629670A (en) | 2010-01-20 |
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