CN209385828U - A kind of thermal insulating collet metal hose - Google Patents
A kind of thermal insulating collet metal hose Download PDFInfo
- Publication number
- CN209385828U CN209385828U CN201821924448.2U CN201821924448U CN209385828U CN 209385828 U CN209385828 U CN 209385828U CN 201821924448 U CN201821924448 U CN 201821924448U CN 209385828 U CN209385828 U CN 209385828U
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- China
- Prior art keywords
- outside
- corrugated
- tube
- inner tube
- thermal insulating
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Thermal Insulation (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model relates to a kind of thermal insulating collet metal hoses, belong to transfer pipeline hose connector technical field.The hose includes the corrugated outer tube that both ends each extend over out the corrugated inner tube taken over and both ends each extend over outgoing interface, the interface is connected with the ring cowling with outer rib, the position for taking over the outer rib of corresponding ring cowling extends radially outward limit seam allowance, the insulating layer for extending to interface is lined between the corrugated inner tube and corrugated outer tube, the ring cowling is provided with the dead ring that it is isolated with adapter tube.Since the utility model uses the jacket heat-preservation structure being mechanically fixed, and corrugated inner tube and corrugated outer tube are isolated by dead ring, therefore absorption vibration, compensation installation deviation, the basic functions such as high pressure resistant are not only maintained, the prior art has also been properly settled and has not kept the temperature insulation and the poor problem of flexibility.
Description
Technical field
It is especially a kind of for conveying the stream of fused-salt medium the utility model relates to a kind of thermal insulating collet metal hose
Body delivery hose belongs to transfer pipeline hose connector technical field.
Background technique
Such as fluid conveying occasion of high-temperature molten salt slot type photo-thermal power generation conveying fused-salt medium etc, it is soft not require nothing more than metal
Pipe can absorb vibration, compensation campaign displacement, high temperature resistant and corrosion, it is also necessary to and it can guarantee medium temperature, there is insulation protection,
And good flexibility is remained in entire transmission process.According to the applicant understood, existing metal hose is unable to satisfy above-mentioned need
It asks.
Retrieval is it is found that application No. is the Chinese patent literatures of CN201510617513, CN201721680607 to disclose respectively
A kind of Double wall insulation bellows and a kind of high-strength insulation double-wall corrugated pipe, outer wall is although corrugated, but inner wall smooth,
Not double-ply bellows.
In addition, application No. is the Chinese patent literatures of CN201810311427 to disclose a kind of thermal-insulating type double-wall corrugated pipe,
The bellows is multilayered structure, and thermal insulation material is coated on outside double-ply bellows, is not intended to pumped (conveying) medium.
Therefore, the limitation of the above-mentioned prior art makes it can not absorb vibration, compensation deviation giving full play to bellows
Under the premise of basic speciality, meet the thermal insulating requirement in medium transmission process.
Summary of the invention
The primary and foremost purpose of the utility model is: in view of the defects existing in the prior art, being improved by structure, proposes one kind
It, can be practical under the premise of there are the basic performances such as good absorption vibration, compensation deviation, high pressure resistant in guaranteeing medium transmission process
Meet the thermal insulating collet metal hose of thermal insulating and flexibility requirements.
The utility model it is a further objective that: even if propose it is a kind of can still be kept in flexure it is ideal absolutely
The collet metal hose of edge thermal insulation property.
In order to reach the above primary and foremost purpose, the basic technical scheme of the utility model thermal insulating collet metal hose are as follows:
Each extend over out the corrugated inner tube taken over including both ends and both ends each extend over the corrugated outer tube of outgoing interface, the interface with have
The ring cowling of outer rib is connected, and the position for taking over the outer rib of corresponding ring cowling extends radially outward limit seam allowance, the corrugated inner tube
The insulating layer extended in interface is lined between corrugated outer tube, the ring cowling is provided with the dead ring that it is isolated with adapter tube.
Since the utility model uses the jacket heat-preservation structure that is mechanically fixed, and by dead ring be isolated corrugated inner tube with
Corrugated outer tube (abbreviation inner and outer tubes), therefore not only maintain the basic training such as absorption vibration, compensation installation deviation, high pressure resistant
Can, it has also properly settled the prior art and has not kept the temperature insulation and the poor problem of flexibility.
The utility model basic technical scheme further improves also:
The dead ring is two panels semi-annular shape high temperature resistant heat insulation part, and pairing is stuck in adapter tube outer circle, in this way convenient for assembling,
Inner and outer tubes are separated, guarantee that inside and outside pipe insulation does not influence heat insulation effect simultaneously.
The insulating layer is made of resurrection glass fibre felt and fiberglass cloth tape braiding winding layer, and end is solid with shroud ring
It is fixed, do not influence the flexibility of hose while thermal insulating.
The corrugated inner tube and corrugated outer tube are U-shaped wave corrugated stainless steel tubing, end respectively with adapter tube and joint weld
It is connected.
In order to reach further purpose, applicant gropes to verify on the basis of theoretical research by repetition test, hair
The bending stiffness K of existing corrugated inner tubeIn θWith the bending stiffness K of corrugated outer tubeOutside θThe ratio between elastic modulus E with corrugated inner tubeb t It is interior, in
Diameter DIn m, wall thickness δIn p, unit length wave number nIt is interior, wave height hIt is interiorWith the elastic modulus E of corrugated outer tubeb t Outside, central diameter DOutside m, wall thickness δOutside p、
Unit length wave number nOutside, wave height hOutsideMeeting has relationship
KIn θ/KOutside θ=
(Eb t It is interior/Eb t Outside)3×(DIn m/DOutside m)3×(δIn p/δOutside p)3×(nOutside/nIt is interior)×(hOutside/hIt is interior)3
Therefore in design, material selection and geometric parameter it is determining so that
The elastic modulus E of the corrugated inner tubeb t It is interior, central diameter DIn m, wall thickness δIn p, unit length wave number nIt is interior, wave height hIt is interiorAnd ripple
The elastic modulus E of outer tubeb t Outside, central diameter DOutside m, wall thickness δOutside p, unit length wave number nOutside, wave height hOutsideMeet following relationship
(Eb t It is interior/Eb t Outside)3×(DIn m/DOutside m)3×(δIn p/δOutside p)3×(nOutside/nIt is interior)×(hOutside/hIt is interior)3=0.9~1.3
In this way, corrugated inner tube and corrugated outer tube have almost the same Flexurally rigid, to bend in pumped (conveying) medium
When deformation, still the heat preservation interlamellar spacing between corrugated inner tube and corrugated outer tube is kept to be basically unchanged, remain ideal insulation
Thermal insulation property.
Detailed description of the invention
The utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is the structural schematic diagram of the utility model embodiment one.
Fig. 2 is enlarged structure schematic diagram at A in Fig. 1.
Fig. 3 is the structural schematic diagram of the utility model embodiment two.
Fig. 3-1,3-2,3-3 are respectively three kinds of deflection deformation schematic diagrames.
Specific embodiment
Embodiment one
The thermal insulating collet metal hose of the present embodiment is as depicted in figs. 1 and 2, is mainly respectively welded and is extended by both ends
The composition of corrugated outer tube 2 for extending outgoing interface 2-1 is respectively welded in the corrugated inner tube 1 of adapter tube 1-1 and both ends, and ripple is U-shaped wave, material
Using stainless steel, high pressure, high temperature and erosion-resisting requirement can satisfy.Interface 2-1 has outer undergauge section, and outer undergauge section is inserted into
It is connected in 5 inner hole of ring cowling with outer rib 5-1 by screw 6.The outer diameter of adapter tube 1-1 is equal with 1 outer diameter of corrugated inner tube, ripple
Inner tube 1 is wrapped with the wire sets 3-1 for extending to adapter tube 1-1, and the end of wire sets 3-1 passes through banding adapter tube 1-1 simultaneously
It is positioned with the hoop 1-3 lock ring of 1 junction of corrugated inner tube, can protect corrugated inner tube 1, thermal insulation material is avoided to fall into corrugated inner tube
In 1 ripple.
The position that adapter tube 1-1 corresponds to the outer rib 5-1 of ring cowling 5 extends radially outward limit seam allowance 1-2,1 pipe and ripple in ripple
The insulating layer 3 extended in interface 2-1 is lined between outer tube 2, the insulating layer 3 is by resurrection glass fibre felt and glass fabric
Band braiding winding layer 3-2 is constituted, and end is fixed using shroud ring 1-4 banding, reduces high-temperature medium energy loss in thermal insulating
The flexibility of hose is not influenced simultaneously.
Ring cowling 5 is provided with the dead ring 4 that it is isolated with adapter tube 1-1.Dead ring 4 is two panels semi-annular shape high temperature resistant heat insulation
Part, pairing are stuck in adapter tube 1-1 outer circle, and in this way convenient for assembly, inner and outer tubes are separated, and guarantee inside and outside pipe insulation simultaneously not
Influence heat insulation effect.
The present embodiment not only realizes insulation under the premise of guaranteeing absorption vibration, compensation installation deviation, high pressure resistant function
Heat preservation, and inside, outward corrugated tube axial limiting, radial positioning while, remain its circumferential direction and have and centainly relatively rotate
Freedom degree, therefore twisting stress can be eliminated, therefore be very suitable for being applied to high-temperature molten salt slot type light heat generator, facilitate
Improve the safety in utilization of the product and the effective rate of utilization of the energy.
Embodiment two
The thermal insulating collet metal hose of the present embodiment as shown in figure 3, basic structure is the same as example 1, difference
It is between the interface 2-1 in dead ring 4 and ring cowling 5 and corrugated outer tube and the adapter tube 1-1 of corrugated inner tube and all has adhesive layer
7, also there is adhesive layer 7, such sealing structure can be between the inner end of ring cowling 5 and the interface 2-1 opposing end surface of corrugated outer tube
More effectively play insulation effect.
In addition, theoretical research is it is found that the amount of deflection of the U-shaped bellows of the horizontal setting of pumped (conveying) medium and the bullet of its selected material
Property modulus, central diameter (i.e. the average value of outer diameter and inner diameter), material wall thickness, unit length wave number, wave height have certain relationship.It is theoretical
Research and repetition test grope the bending stiffness K that induction and conclusion goes out corrugated inner tubeIn θWith the bending stiffness K of corrugated outer tubeOutside θThe ratio between tool
There is relational expression
KIn θ/KOutside θ=(Eb t It is interior/Eb t Outside)3×(DIn m/DOutside m)3×(δIn p/δOutside p)3×(nOutside/nIt is interior)×(hOutside/hIt is interior)3
In formula: footnote "inner", "outside" respectively represent corrugated inner tube, corrugated outer tube relevant parameter
Kθ--- bending stiffness (N/mm) of bellows --- bellows warp resistance deformability
Eb t --- elasticity modulus (MPa) of corrugated material --- is determined by selected material
Dm--- central diameter (mm) of bellows --- design determines
δp--- wall thickness (mm) of bellows --- selection specification
N --- wave number (a) of unit length bellows --- design determines
When making K by appropriate selection, rational designIn θ/KOutside θ(usually regulation is in 0.9~1.3 model in engineering practice when=1
Enclose), it as shown in figure 3-1, can be kept between corrugated inner tube 1 and corrugated outer tube 2 when deflection deformation occurs for pumped (conveying) medium
3 thickness of insulating layer be basically unchanged.It avoids corrugated inner tube or corrugated outer tube bending stiffness is small leads to occur Fig. 3's-3 or Fig. 3-2
Unbalanced deflection deformation causes heat preservation interlamellar spacing uneven, influences heat insulation effect.
Experiments have shown that the thermal insulating collet metal hose of the present embodiment pumped (conveying) medium occur deflection deformation when, still
The heat preservation interlamellar spacing between corrugated inner tube and corrugated outer tube is kept to be basically unchanged, to remain good thermal insulating
Energy.
In addition to the implementation, the utility model can also have other embodiments.Its material is not limited to stainless steel, purposes
It is also not necessarily limited to high-temperature molten salt slot type light heat generator, tip side is not necessarily welding form, can be other link forms, such as
Flange, nipple.All technical solutions formed using equivalent substitution or equivalent transformation, all fall within the guarantor of the requires of the utility model
Protect range.
It is attached: bibliography
1) " integral equation of U-shaped bellows Large Deflection Deformation describes and its iterative algorithm " --- " applied mechanics journal "
01 phase in 2001
2) " Rigidity Calculations of seven seed type bellowss " --- " instrument manufacturing " 06 phase in 1985
3) " U-shaped bellows stiffness is calculated and used " --- " Shanghai University's journal (natural science edition) " 1995 01
Phase
4) " analysis of the rigidity and foozle of bellows " --- 05 phase of " instrumental technique and sensor " nineteen eighty-two
Claims (7)
1. a kind of thermal insulating collet metal hose each extends over out corrugated inner tube (1) and the both ends of adapter tube (1-1) including both ends
Each extend over the corrugated outer tube (2) of outgoing interface (2-1), it is characterised in that: the interface and the ring cowling with outer rib (5-1)
(5) it is connected, the position for taking over the outer rib of corresponding ring cowling extends radially outward limit seam allowance (1-2), the corrugated inner tube and wave
The insulating layer (3) extended in interface is lined between line outer tube, the ring cowling is provided with the dead ring that it is isolated with adapter tube
(4).
2. thermal insulating collet metal hose according to claim 1, it is characterised in that: the outer diameter and ripple of the adapter tube
Inner tube outside diameter is equal, and the corrugated inner tube is wrapped with the wire sets for extending to adapter tube, and the end of the wire sets passes through
Banding adapter tube and the hoop of corrugated inner tube junction position simultaneously.
3. thermal insulating collet metal hose according to claim 2, it is characterised in that: the interface has outer undergauge
Section, the outer undergauge section are inserted into the ring cowling inner hole with outer rib and are connected.
4. thermal insulating collet metal hose according to claim 3, it is characterised in that: the dead ring is two panels semicircle
Cyclic annular high temperature resistant heat insulation part.
5. thermal insulating collet metal hose according to claim 4, it is characterised in that: the insulating layer is by high silicon oxygen glass
Glass fibrofelt and fiberglass cloth tape braiding winding layer are constituted, and end is fixed with shroud ring.
6. thermal insulating collet metal hose according to claim 5, it is characterised in that: outside the corrugated inner tube and ripple
Pipe is U-shaped wave corrugated stainless steel tubing, and end is connected with adapter tube and joint weld respectively.
7. thermal insulating collet metal hose according to any one of claims 1 to 6, it is characterised in that: the corrugated inner tube
Elastic modulus Eb t It is interior, central diameter DIn m, wall thickness δIn p, unit length wave number nIt is interior, wave height hIt is interiorWith the elastic modulus E of corrugated outer tubeb t Outside、
Central diameter DOutside m, wall thickness δOutside p, unit length wave number nOutside, wave height hOutsideMeet following relationship
(Eb t It is interior/Eb t Outside)3×(DIn m/DOutside m)3×(δIn p/δOutside p)3×(nOutside/nIt is interior)×(hOutside/hIt is interior)3=0.9~1.3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821924448.2U CN209385828U (en) | 2018-11-21 | 2018-11-21 | A kind of thermal insulating collet metal hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821924448.2U CN209385828U (en) | 2018-11-21 | 2018-11-21 | A kind of thermal insulating collet metal hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209385828U true CN209385828U (en) | 2019-09-13 |
Family
ID=67865094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821924448.2U Withdrawn - After Issue CN209385828U (en) | 2018-11-21 | 2018-11-21 | A kind of thermal insulating collet metal hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209385828U (en) |
-
2018
- 2018-11-21 CN CN201821924448.2U patent/CN209385828U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190913 Effective date of abandoning: 20230912 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190913 Effective date of abandoning: 20230912 |