CN209043097U - A kind of heat exchange pipe for petrochemical machinery - Google Patents
A kind of heat exchange pipe for petrochemical machinery Download PDFInfo
- Publication number
- CN209043097U CN209043097U CN201821763456.3U CN201821763456U CN209043097U CN 209043097 U CN209043097 U CN 209043097U CN 201821763456 U CN201821763456 U CN 201821763456U CN 209043097 U CN209043097 U CN 209043097U
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- China
- Prior art keywords
- heat exchange
- steel layer
- wall
- spiral groove
- nipple
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Abstract
The utility model discloses a kind of heat exchange pipe for petrochemical machineries, including nipple, the side of the nipple is provided with nipple sealing rubber ring, the side of the nipple sealing rubber ring is provided with heat exchange liquid separator tube, the side of the heat exchange liquid separator tube is provided with expansion joint, the side of the expansion joint is provided with shell, the enclosure interior is provided with helicla flute tube body, external spiral groove is provided on the outer wall of the helicla flute tube body, stainless steel layer is provided on the inner wall of the external spiral groove, fixing layer is provided on the inner wall of the stainless steel layer, high-precision carbon steel layer is provided on the inner wall of the fixing layer, inner spiral groove is provided on the inner wall of the high-precision carbon steel layer, the inner spiral groove is internally provided with heat exchange liquid inlet and outlet, the side of the helicla flute tube body is provided with heat exchange bend pipe.The utility model is by being arranged stainless steel layer and high-precision carbon steel layer effectively enhances the intensity of heat exchanger tube, corrosion resistance and thermal conductivity simultaneously in tubular body.
Description
Technical field
The utility model relates to heat exchanger tube equipment technical field, specially a kind of heat exchange pipe for petrochemical machinery.
Background technique
Heat exchanger tube is one of element of heat exchanger, is placed within cylinder, for the exchange for the liquid that exchanges heat between two media, heat exchange
When tube center distance will guarantee tube-to-sheet joint, pipe bridge has enough intensity and width.Heat exchanger tube has very high thermal conductivity
With good isothermal, it is a kind of device that thermal energy can be reached quickly to another point from a bit, and almost without thermal losses,
Therefore it is referred to as heat transfer superconductor, and thermal coefficient is thousands of times of copper, will also there are cleaned when needing to clean between pipe
Channel.Heat exchange tube center distance is preferably not less than 1.25 times of heat exchange pipe outside diameter, and common used material has carbon steel, low-alloy steel, stainless
Steel, copper, corronil, aluminium alloy, titanium etc..In addition there are some nonmetallic materials, such as graphite, ceramics, polytetrafluoroethylene (PTFE).Mark
Quasi- pipe range has 1.5,2.0,3.0,4.5,6.0,9.0m etc..Using small diameter tube, the heat transfer area of unit volume can be made to increase, metal
Consumption is reduced, heat transfer coefficient improves.It is estimated that the heat exchanger tube of same diameter heat exchanger is changed to Φ 19mm by Φ 25mm, conduct heat
Area can increase by 40% or so, save 20% or more metal.But small diameter tube fluid resistance is big, inconvenience cleaning, easy structure blocking.
Tube body is chronically in the aggressive atmosphere of high temperature and pressure, and existing tube body is difficult to meet high intensity simultaneously, is led
It is hot good, the good performance of corrosion resistance.
Utility model content
The purpose of this utility model is to provide a kind of heat exchange pipe for petrochemical machineries, to solve to propose in above-mentioned background technique
Tube body be chronically in the aggressive atmosphere of high temperature and pressure, and existing tube body is difficult to meet high intensity simultaneously, and thermal conductivity is good,
The problem of corrosion resistance good performance.
To achieve the above object, the utility model provides the following technical solutions: a kind of heat exchange pipe for petrochemical machinery, including spiral shell
Line connector, the side of the nipple are provided with nipple sealing rubber ring, and the side of the nipple sealing rubber ring is set
It is equipped with heat exchange liquid separator tube, the side of the heat exchange liquid separator tube is provided with expansion joint, and the side of the expansion joint is provided with shell
Body, the enclosure interior are provided with helicla flute tube body, and external spiral groove, the outer spiral shell are provided on the outer wall of the helicla flute tube body
It is provided with stainless steel layer on the inner wall of spin slot, fixing layer, the inner wall of the fixing layer are provided on the inner wall of the stainless steel layer
On be provided with high-precision carbon steel layer, be provided with inner spiral groove on the inner wall of the high-precision carbon steel layer, the inner spiral groove it is interior
Portion is provided with heat exchange liquid inlet and outlet, and the side of the helicla flute tube body is provided with heat exchange bend pipe.
Preferably, the stainless steel layer is arranged between external spiral groove and fixing layer.
Preferably, the stainless steel layer is fixedly connected by fixing layer with high-precision carbon steel layer.
Preferably, the high-precision carbon steel layer is arranged between fixing layer and inner spiral groove.
Preferably, the inside of the heat exchange liquid separator tube is set as hollow structure.
Preferably, the inner wall of the expansion joint is connect with case weld.
Preferably, there are two the nipple settings, and two nipples are separately mounted to the two of helicla flute tube body
End.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model refers to fluid by the external spiral groove and internal thread groove that are arranged on helicla flute tube body
Draw, reach outside pipe inner tube while conducting heat.And because when helicla flute design, processing when reduce processing cost.
2, the utility model in helicla flute body by being arranged stainless steel layer and high-precision carbon steel layer, and passes through fixing layer
Upper layer and lower layer are fixedly connected, tube body is enable to meet high intensity, corrosion resistance, the multiple performance of strong thermal conductivity simultaneously.
3, the utility model compensates for helicla flute tube body and shell because of wall temperature difference by the way that expansion joint is arranged in tube two sides
The thermal expansion difference of generation reduces their load.
Detailed description of the invention
Fig. 1 is the whole main view of the utility model；
Fig. 2 is that the helicla flute tubular body knot of the utility model illustrates composition；
Fig. 3 is the part A schematic enlarged-scale view of the utility model；
In figure: 1, nipple；2, nipple sealing rubber ring；3, exchange heat liquid separator tube；4, expansion joint；5, shell；6,
Helicla flute tube body；601, stainless steel layer；602, fixing layer；603, high-precision carbon steel layer；7, exchange heat bend pipe；8, external spiral groove；9,
Inner spiral groove；10, heat exchange liquid inlet and outlet.
Specific embodiment
In the technical program:
6, helicla flute tube body；601, stainless steel layer；602, fixing layer；603, high-precision carbon steel layer；Contain for the utility model
There is the innovative component of essence.
1, nipple；2, nipple sealing rubber ring；3, exchange heat liquid separator tube；4, expansion joint；5, shell；7, it exchanges heat curved
Pipe；8, external spiral groove；9, inner spiral groove；10, heat exchange liquid inlet and outlet are the realization essential company of technical solutions of the utility model
Connecing property component.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Please refer to Fig. 1-3, a kind of embodiment provided by the utility model: a kind of heat exchange pipe for petrochemical machinery, including screw thread
Connector 1, nipple 1 play the role of connecting radiator, and the side of nipple 1 is provided with nipple sealing rubber ring 2,
Nipple sealing rubber ring 2 plays the role of sealing, and the side of nipple sealing rubber ring 2 is provided with heat exchange liquid separator tube 3,
Heat exchange liquid separator tube 3 plays the role of buffering heat exchange liquid, and the side of heat exchange liquid separator tube 3 is provided with expansion joint 4, expansion joint 4
The thermal expansion difference that shell 5 is generated by wall temperature difference can be compensated, the side of expansion joint 4 is provided with shell 5, is arranged inside shell 5
There is helicla flute tube body 6, helicla flute tube body 6 plays the role of heat exchange, external spiral groove 8 is provided on the outer wall of helicla flute tube body 6,
External spiral groove 8 plays the role of guidance heat exchange liquid, is provided with stainless steel layer 601, stainless steel layer on the inner wall of external spiral groove 8
601 is strengthening heat exchanger tube and corrosion resistance and thermal conductivity, is provided with fixing layer 602 on the inner wall of stainless steel layer 601, fixing layer
602 play the role of firm stainless steel layer 601 and high-precision carbon steel layer 603, and high-precision is provided on the inner wall of fixing layer 602
Carbon steel layer 603, high-precision carbon steel layer 603 improve the intensity of heat exchanger tube, interior spiral shell are provided on the inner wall of high-precision carbon steel layer 603
Spin slot 9, inner spiral groove 9 are internally provided with heat exchange liquid inlet and outlet 10, and the side of helicla flute tube body 6 is provided with heat exchange bend pipe 7.
Further, stainless steel layer 601 is arranged between external spiral groove 8 and fixing layer 602, and stainless steel layer 601 improves spiral shell
The corrosion resistance and thermal conductivity of spin slot tube body 6.
Further, stainless steel layer 601 is fixedly connected by fixing layer 602 with high-precision carbon steel layer 603.Fixing layer 602 can
Effectively to stabilize upper and lower stainless steel layer 601 and high-precision carbon steel layer 603, the Percentage bound of two interlayers is improved.
Further, high-precision carbon steel layer 603 is arranged between fixing layer 602 and inner spiral groove 9, high-precision carbon steel layer 603
The intensity of helicla flute tube body 6 is enhanced, it is allowed to adapt to the working environment of high temperature and pressure.
Further, the inside of heat exchange liquid separator tube 3 is set as hollow structure, allows heat exchange liquid that can uniformly enter helicla flute
In tube body 6.
Further, the inner wall of expansion joint 4 and shell 5 are welded to connect, and expansion joint 4 can compensate pipe and shell 5 because of wall temperature
The thermal expansion difference that difference generates.
Further, there are two the settings of nipple 1, and two nipples 1 are separately mounted to the two of helicla flute tube body 6
End, it is convenient to repeatedly kick into capable connection with external tube body.
Working principle: in use, carrying out inspection work to the utility model first, failure is checked for.All events
After barrier investigation, the liquid separator tube 3 that exchanges heat is mounted on to the two sides of helicla flute tube body 6 using screw, to expansion joint 4 and helicla flute
Tube body 6 carries out flanged joint, is later fixedly connected with external input pipe with nipple 1, and uses nipple sealing rubber ring 2
It is sealed, heat exchange liquid enters in helicla flute tube body 6 from heat exchange liquid inlet and outlet 10, and the heat of tubular body passes through spiral grooved tube
The external spiral groove 8 and inner spiral groove 9 of setting on body 6 are led out into heat exchange liquid, complete heat exchange, because tubular body is arranged
There are stainless steel layer 601 and high-precision carbon steel layer 603, intensity is high so the heat exchanger tube has, thermally conductive fast, the high spy of corrosion resistance
Point.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (7)
1. a kind of heat exchange pipe for petrochemical machinery, including nipple (1), it is characterised in that: the side of the nipple (1) is set
It is equipped with nipple sealing rubber ring (2), the side of the nipple sealing rubber ring (2) is provided with heat exchange liquid separator tube (3), institute
The side for stating heat exchange liquid separator tube (3) is provided with expansion joint (4), and the side of the expansion joint (4) is provided with shell (5), described
Shell (5) is internally provided with helicla flute tube body (6), is provided with external spiral groove (8), institute on the outer wall of the helicla flute tube body (6)
It states and is provided on the inner wall of external spiral groove (8) stainless steel layer (601), be provided with fixation on the inner wall of the stainless steel layer (601)
Layer (602) is provided with high-precision carbon steel layer (603) on the inner wall of the fixing layer (602), the high-precision carbon steel layer (603)
Inner wall on be provided with inner spiral groove (9), the inner spiral groove (9) be internally provided with heat exchange liquid inlet and outlet (10), the spiral shell
The side of spin slot tube body (6) is provided with heat exchange bend pipe (7).
2. a kind of heat exchange pipe for petrochemical machinery according to claim 1, it is characterised in that: the stainless steel layer (601) sets
It sets between external spiral groove (8) and fixing layer (602).
3. a kind of heat exchange pipe for petrochemical machinery according to claim 1, it is characterised in that: the stainless steel layer (601) is logical
Fixing layer (602) is crossed to be fixedly connected with high-precision carbon steel layer (603).
4. a kind of heat exchange pipe for petrochemical machinery according to claim 1, it is characterised in that: the high-precision carbon steel layer
(603) it is arranged between fixing layer (602) and inner spiral groove (9).
5. a kind of heat exchange pipe for petrochemical machinery according to claim 1, it is characterised in that: the heat exchange liquid separator tube (3)
Inside be set as hollow structure.
6. a kind of heat exchange pipe for petrochemical machinery according to claim 1, it is characterised in that: the inner wall of the expansion joint (4)
It is welded to connect with shell (5).
7. a kind of heat exchange pipe for petrochemical machinery according to claim 1, it is characterised in that: nipple (1) setting
There are two, and two nipples (1) are separately mounted to the both ends of helicla flute tube body (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821763456.3U CN209043097U (en) | 2018-10-30 | 2018-10-30 | A kind of heat exchange pipe for petrochemical machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821763456.3U CN209043097U (en) | 2018-10-30 | 2018-10-30 | A kind of heat exchange pipe for petrochemical machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209043097U true CN209043097U (en) | 2019-06-28 |
Family
ID=67039062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821763456.3U Expired - Fee Related CN209043097U (en) | 2018-10-30 | 2018-10-30 | A kind of heat exchange pipe for petrochemical machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209043097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013706A (en) * | 2020-09-03 | 2020-12-01 | 王海燕 | Heat exchange tube for petrochemical machinery |
-
2018
- 2018-10-30 CN CN201821763456.3U patent/CN209043097U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013706A (en) * | 2020-09-03 | 2020-12-01 | 王海燕 | Heat exchange tube for petrochemical machinery |
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| 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: 20190628 Termination date: 20201030 |
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| CF01 | Termination of patent right due to non-payment of annual fee |