CN207687335U - A kind of pressure vessel - Google Patents
A kind of pressure vessel Download PDFInfo
- Publication number
- CN207687335U CN207687335U CN201721798036.4U CN201721798036U CN207687335U CN 207687335 U CN207687335 U CN 207687335U CN 201721798036 U CN201721798036 U CN 201721798036U CN 207687335 U CN207687335 U CN 207687335U
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- CN
- China
- Prior art keywords
- tube
- external screw
- screw thread
- pressure vessel
- straight
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of pressure vessels,Solves the mutual limitation due to U-tube entirety,So that the movement of U-tube both ends is inconvenient during installation,So that whole installation is inconvenient,The slower technical problem of installation effectiveness,Its key points of the technical solution are that including cool-heat-exchanger,The cool-heat-exchanger includes several U-tubes,U-tube is divided into the straight-tube portion at both ends,Intermediate U-shaped part and the intermediate connector for splicing U-shaped part and straight-tube portion,Intermediate connector includes connecting tube,Connecting tube is divided into first part and second part,First part offers the first external screw thread,Straight-tube portion one end is connecting pin,Connecting pin offers and matched first internal thread of the first external screw thread,Second part is threaded with splicing tubes,Splicing tubes offer the second external screw thread,U-shaped part both ends offer and matched second internal thread of the second external screw thread,Reach easy for installation,Effectively improve the purpose of installation effectiveness.
Description
Technical field
The utility model is related to pressure vessel technology fields, more specifically, it relates to a kind of pressure vessel.
Background technology
Pressure vessel refers to the Sealing Arrangement for being used for filling gas or liquid, and needing to carry certain pressure.Pressure vessel
It is widely used in the numerous areas such as oil, chemical industry, space flight and medical treatment, pressure vessel is divided into low pressure according to the grade of pressure and holds
Device, medium pressure vessel, high-pressure bottle and ultrahigh pressure vessel.Horizontal pressure pressure vessel is relatively conventional in pressure vessel, and is applied
Most commonly used one kind.Fluid or gas in pressure vessel generally require to reach certain temperature when in use, so generally
Cool-heat-exchanger is fitted in pressure vessel.
Common cool-heat-exchanger is shell-and-tube heat exchanger, is to be enclosed in the wall surface restrained in shell as heat-transfer area
Dividing wall type heat exchanger.Shell-and-tube heat exchanger is by shell, heating surface bank, tube sheet, baffle（Baffle plate）It is formed with components such as bobbin carriages.Shell
Body is mostly cylindrical shape, and inside is fixed on equipped with tube bank, tube bank both ends on tube sheet.Heating surface bank is the U-tube of several different sizes,
It is fixed on tube sheet across baffle.
During installation, U-tube both ends are inserted into after baffle and are fixed on tube sheet, due to the phase of U-tube entirety
Mutually limitation so that the movement of U-tube both ends is inconvenient during installation so that whole installation is inconvenient, and installation effectiveness is slower.
Utility model content
The purpose of this utility model is to provide a kind of pressure vessel, reaches easy for installation, effectively improves the mesh of installation effectiveness
's.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of pressure vessel, packet
Cool-heat-exchanger is included, the cool-heat-exchanger includes several U-tubes, and the U-tube is divided into the straight-tube portion at both ends, intermediate U
Shape part and for by the U-shaped part and the straight-tube portion splicing intermediate connector, during the intermediate connector includes
Empty connecting tube and the tightening portion set on the connecting tube middle are boundary with the tightening portion, and the connecting tube is divided into the
A part and second part, the first part offer the first external screw thread, and described straight-tube portion one end is connecting pin, the company
Connect end offer with matched first internal thread of first external screw thread, the second part is threaded with splicing tubes, described
Splicing tubes are equipped with fixed ring towards the tightening portion end, and the splicing tubes offer the second external screw thread, and the U-shaped part both ends are equal
It offers and matched second internal thread of second external screw thread.
First straight-tube portion is inserted into and is fixed on tube sheet when assembling cool-heat-exchanger by using above-mentioned technical proposal
On, the first part of connecting tube is screwed in the connecting pin of straight-tube portion, by U-shaped part both ends respectively with the straight-tube portion end at both ends
Portion is aligned, and rotary splicing pipe makes splicing tubes screw in U-shaped part end, realizes the assembly of U-tube, whole compared to U-tube
Body, which is inserted into, to be fixed on tube sheet, has reached easy for installation, effectively improves the purpose of installation effectiveness.
Preferably, first external screw thread, the second external screw thread, the first internal thread and the second internal thread are conical tube spiral shell
Line.
By using above-mentioned technical proposal, taper pipe thread itself has leakproofness when cooperating, without using filling out
Material and ensure that the leakproofness of connection by thread, or wound on screw thread when installation raw material band be further ensured that it is close
Envelope property.
Preferably, first external screw thread, the second external screw thread, the first internal thread and the second internal thread are cylindrical tube spiral shell
Line.
By using above-mentioned technical proposal, straight pipe thread manufacture is easier, and relative cost is lower.
Preferably, the side that the tightening portion and the fixed ring mutually deviate from is equipped with sealing ring.
By using above-mentioned technical proposal, the setting of sealing ring, for reinforcing the leakproofness after assembly.
Preferably, the connecting pin and the both ends of the U-shaped part offer smooth targeting port.
By using above-mentioned technical proposal, when installation, the first part of connecting tube is first inserted into straight-tube portion from targeting port
Connecting pin so that more convenient helix alignment so that first part screws in straight-tube portion, first alignment when assembled U-shaped part so that
In splicing tubes partial insertion to targeting port, it is more convenient to screw in splicing tubes in U-shaped part end.
Preferably, the tightening portion and the fixed ring are regular hexagonal prism or positive eight prism.
By using above-mentioned technical proposal, tightening portion and fixed ring are regular hexagonal prism or positive eight prism so that more convenient to make
The rotation that connecting tube and splicing tubes are driven with handle, to realize assembly.
Preferably, the tightening portion and each side of the fixed ring offer via hole.
It is inserted into and assists by tool when installation needs to be rotatably connected pipe or splicing tubes by using above-mentioned technical proposal
Then hole drives connecting tube or splicing tubes rotation to be easily installed, each lateral area offers via hole, convenient in installation process
In preferably via hole is selected to be easily installed.
Preferably, the via hole is square hole.
By using above-mentioned technical proposal, when via hole is that square hole to drive rotation by tool, tool and auxiliary
Hole is less susceptible to relatively rotate and slide.
Preferably, the via hole is hexagonal hole or octagon hole.
By using above-mentioned technical proposal, via hole is preferably hexagonal hole or octagon hole, is preferably pulled with interior hexagonal
Hand or the cooperation of interior Octagonal wrench, to more easily screw in installation.
In conclusion the utility model has the advantages that：
One, when assembling cool-heat-exchanger, first straight-tube portion is inserted into and is fixed on tube sheet, by first of connecting tube
The connecting pin of straight-tube portion point is screwed in, by U-shaped part both ends respectively with the straight-tube portion end part aligning at both ends, rotary splicing pipe makes
It obtains splicing tubes to screw in U-shaped part end, realizes the assembly of U-tube, be integrally inserted into compared to U-tube and be fixed on tube sheet
On, reach easy for installation, has effectively improved the purpose of installation effectiveness；
Two, taper pipe thread itself has leakproofness when cooperating, and is relying on thread can without using filler
To ensure the leakproofness of connection, or raw material band is wound on screw thread when installation and be further ensured that leakproofness；
Three, the setting of targeting port so that when installation, the first part of connecting tube is first inserted into the company of straight-tube portion from targeting port
Connect end so that more convenient helix alignment is so that first part screws in straight-tube portion, and first alignment is so that spell when assembled U-shaped part
Nipple part is inserted into targeting port, is more convenient to screw in splicing tubes in U-shaped part end；
Four, the setting of via hole so that when installation needs to be rotatably connected pipe or splicing tubes, be inserted into and assist by tool
Then hole drives connecting tube or splicing tubes rotation to be easily installed, each lateral area offers via hole, convenient in installation process
In preferably via hole is selected to be easily installed；
Five, via hole is preferably hexagonal hole or octagon hole, is preferably coordinated with allen wrench or interior Octagonal wrench,
To more easily screw in installation.
Description of the drawings
Fig. 1 is the structural schematic diagram of hot and cold tube exchanger in the utility model embodiment one；
Fig. 2 is the decomposition texture schematic diagram of U-tube in the utility model embodiment one；
Fig. 3 is the decomposition texture schematic diagram of U-tube in the utility model embodiment two.
In figure：1, U-tube bundle；2, baffle；3, tube sheet；4, straight-tube portion；41, connecting pin；411, the first internal thread；5、U
Shape part；611, first part；612, second part；62, tightening portion；63, splicing tubes；631, fixed ring；7, via hole；8, close
Seal ring；9, targeting port.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
A kind of pressure vessel, embodiment one, as shown in Figure 1, including cool-heat-exchanger, cool-heat-exchanger includes U-tube bundle
1, baffle 2 and tube sheet 3, U-tube bundle 1 include several various sizes of U-tubes, and U-tube is fixed on after passing through baffle 2 on tube sheet 3,
Realize the installation of cool-heat-exchanger.In conjunction with shown in Fig. 2, U-tube be divided into the straight-tube portion 4 at both ends, intermediate U-shaped part 5 and in
Between connector, middleware is connected and fixed for both ends by two straight-tube portions 4 respectively with U-shaped part 5.When mounted, first will
Straight-tube portion 4 passes through the realization of baffle 2 to be fixed on tube sheet 3, then realizes U-shaped part 5 and two straight sections by intermediate connector
Divide 4 assembly.U-tube bundle 1 includes several various sizes of U-tubes, but all straight-tube portions 4 are identical size, U-tube portion
Point according to practical stitching position difference and both ends spacing is different, 1 part of U-tube bundle includes several completely the same straight-tube portions
4, the different U-shaped part 5 of several sizes and several completely the same connector parts, further such that installation and convenient transportation.
Intermediate connector includes hollow connecting tube, and the middle socket joint type of connecting tube is fixed with tightening portion 62.To tighten
Portion 62 is line of demarcation, and connecting tube is divided into first part 611 and second part 612.First part 611 offers the first external screw thread,
4 one end of straight-tube portion is connecting pin 41, and connecting pin 41 offers and matched first internal thread of the first external screw thread 411.Second
612 socket joint types are divided to be threaded with splicing tubes 63, splicing tubes 63 are equipped with fixed ring 631 towards 62 end of tightening portion.Outside splicing tubes 63
Circumferential end surfaces offer the second external screw thread, and 5 both ends of U-shaped part offer and matched second internal thread of the second external screw thread.
When assembling cool-heat-exchanger, first straight-tube portion 4 is inserted into and is fixed on tube sheet 3, the first part 611 of connecting tube is screwed in directly
The connecting pin 41 of tube portion 4, by 5 both ends of U-shaped part respectively with 4 end part aligning of the straight-tube portion at both ends, rotary splicing pipe 63 makes
It obtains splicing tubes 63 to screw in 5 end of U-shaped part, realizes the assembly of U-tube.
First external screw thread, the second external screw thread, the first internal thread 411 and the second internal thread are taper pipe thread, conical tube
Screw thread itself has leakproofness when cooperating, in the sealing for ensuring that connection by thread without using filler
Property, or wind raw material band on screw thread when installation and be further ensured that leakproofness.
Tightening portion 62 and fixed ring 631 are regular hexagonal prism or positive eight prism, and each side offers via hole 7,
Via hole 7 is rectangular.When installation needs to be rotatably connected pipe or splicing tubes 63, it is inserted into via hole 7 by tool, then the company of drive
It takes over or the rotation of splicing tubes 63 is easily installed, each lateral area offers preferably to select via hole during the installation process
7 are easily installed.Via hole 7 is preferably hexagonal hole or octagon hole, is preferably coordinated with allen wrench or interior Octagonal wrench,
To more easily screw in installation.
Operation principle：When installing U-tube, first straight-tube portion 4 is inserted through after baffle 2 and is fixed on tube sheet 3, then will
The first part 611 of connecting tube screws in the connecting pin 41 of straight-tube portion 4, and auxiliary is inserted into using allen wrench or interior Octagonal wrench
Hole 7 drives splicing tubes 63 to screw in U-tube end, realizes the assembly of U-tube, and assembled U-tube realizes whole installation one by one.
Embodiment two, difference lies in the first external screw thread, the second external screw thread, the first internal threads 411 and second with embodiment
Internal thread is straight pipe thread, and straight pipe thread manufacture is easier, and relative cost is lower.In tightening portion 62 and fixed ring 631
The side mutually deviated from is equipped with sealing ring 8, for reinforcing the leakproofness after assembly.The connecting pin 41 of straight-tube portion 4 and U-shaped
5 both ends end of part offers smooth targeting port 9, and when installation, the first part 611 of connecting tube is first inserted into from targeting port 9,
So that being screwed in more convenient helix alignment, U-shaped part 5 is first aligned so that in splicing tubes 63 partial insertion to targeting port 9.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (9)
1. a kind of pressure vessel, including cool-heat-exchanger, the cool-heat-exchanger includes several U-tubes, it is characterized in that：The U
Shape pipe is divided into the straight-tube portion (4) at both ends, intermediate U-shaped part (5) and for by the U-shaped part (5) and the straight sections
The intermediate connector of point (4) splicing, the intermediate connector include hollow connecting tube and set on the connecting tube middle
Tightening portion (62) is boundary with the tightening portion (62), and the connecting tube is divided into first part (611) and second part (612),
The first part (611) offers the first external screw thread, and described straight-tube portion (4) one end is connecting pin (41), the connecting pin
(41) it offers and is threaded with spelling with matched first internal thread (411) of first external screw thread, the second part (612)
It takes over (63), the splicing tubes (63) are equipped with fixed ring (631) towards the tightening portion (62) end, and the splicing tubes (63) open up
There are the second external screw thread, U-shaped part (5) both ends to offer and matched second internal thread of second external screw thread.
2. a kind of pressure vessel according to claim 1, it is characterized in that：First external screw thread, the second external screw thread, first
Internal thread (411) and the second internal thread are taper pipe thread.
3. a kind of pressure vessel according to claim 1, it is characterized in that：First external screw thread, the second external screw thread, first
Internal thread (411) and the second internal thread are straight pipe thread.
4. a kind of pressure vessel according to claim 3, it is characterized in that：The tightening portion (62) and the fixed ring
(631) side mutually deviated from is equipped with sealing ring (8).
5. a kind of pressure vessel according to claim 4, it is characterized in that：The connecting pin (41) and the U-shaped part (5)
Both ends offer smooth targeting port (9).
6. a kind of pressure vessel according to claim 2 or 3, it is characterized in that：The tightening portion (62) and the fixed ring
(631) it is regular hexagonal prism or positive eight prism.
7. a kind of pressure vessel according to claim 6, it is characterized in that：The tightening portion (62) and the fixed ring
(631) each side offers via hole (7).
8. a kind of pressure vessel according to claim 7, it is characterized in that：The via hole (7) is square hole.
9. a kind of pressure vessel according to claim 8, it is characterized in that：The via hole (7) is hexagonal hole or eight sides
Shape hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721798036.4U CN207687335U (en) | 2017-12-20 | 2017-12-20 | A kind of pressure vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721798036.4U CN207687335U (en) | 2017-12-20 | 2017-12-20 | A kind of pressure vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207687335U true CN207687335U (en) | 2018-08-03 |
Family
ID=62995084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721798036.4U Expired - Fee Related CN207687335U (en) | 2017-12-20 | 2017-12-20 | A kind of pressure vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207687335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397736A (en) * | 2018-10-15 | 2019-11-01 | 沈阳工业大学 | A kind of two-way disengaging valve and its lock structure guaranteeing that outer wall is smooth |
-
2017
- 2017-12-20 CN CN201721798036.4U patent/CN207687335U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397736A (en) * | 2018-10-15 | 2019-11-01 | 沈阳工业大学 | A kind of two-way disengaging valve and its lock structure guaranteeing that outer wall is smooth |
| CN110397736B (en) * | 2018-10-15 | 2024-03-22 | 沈阳工业大学 | Bidirectional air inlet and outlet valve capable of guaranteeing flatness of outer wall and locking structure thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 Termination date: 20201220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |