CN104215098A - Heat exchanger for polypropylene chemical process - Google Patents
Heat exchanger for polypropylene chemical process Download PDFInfo
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- CN104215098A CN104215098A CN201410471198.1A CN201410471198A CN104215098A CN 104215098 A CN104215098 A CN 104215098A CN 201410471198 A CN201410471198 A CN 201410471198A CN 104215098 A CN104215098 A CN 104215098A
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- medium
- tube
- heat exchanger
- shell
- chemical process
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses a heat exchanger for a polypropylene chemical process. The heat exchanger comprises a barrel-shaped shell, wherein both ends of the shell are respectively provided with a pipe plate, a first medium inlet and a first medium outlet are formed in the shell, the first medium inlet and the first medium outlet are respectively positioned at both ends of the shell, and a first medium flow channel is formed by the first medium inlet, a space in the shell and the first medium outlet; a central pipe is fixedly arranged between the two pipe plates in the shell, at least one medium inlet is formed in one pipe plate, at least one medium outlet corresponding to the medium inlet is formed in the other pipe plate, the medium inlet and the medium outlet which correspond to each other are communicated through a spiral pipe, and the spiral pipe is wound on the central pipe. The heat exchange among many kinds of media can be simultaneously realized by the heat exchanger, so as to be adapted to the polypropylene chemical process, so that the size is reduced, the heat-exchanging area is increased, and the cost is lowered.
Description
Technical field
The present invention relates to a kind of heat exchanger, particularly relate to the heat exchanger in a kind of polypropylene chemical process.
Background technology
In polypropylene chemical engineering process, medium cascade EDFA (or heating) needs to cool (or heating) simultaneously, and current not a kind of heat exchanger can realize the interchanger carrying out heat exchange between medium, therefore, the way of current routine is the effect using multiple stage shell-and-tube heat exchanger to reach cooling simultaneously (or heating), every platform shell-and-tube heat exchanger passes into different media, thus achieve the heat exchange of medium, but shell-and-tube heat exchanger volume is large, the weak points such as unit volume heat exchange area is little, and the coefficient of heat transfer is low.And whole heat exchange cost has high input.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of polypropylene chemical process heat exchanger, this heat exchanger can realize the heat exchange between medium simultaneously, thus adapt to polypropylene chemical process needs, reduce volume, improve the coefficient of heat transfer, add the heat exchange area of unit volume, reduce cost.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of polypropylene chemical process heat exchanger, comprise the shell of tubular, described shell two ends are respectively arranged with tube sheet, this shell is provided with first medium entrance and first medium outlet, this first medium entrance and first medium outlet lay respectively at the two ends of shell, space in this first medium entrance, shell, first medium export mixes first medium flow channel; Central tube is fixed with between inherent two tube sheets of this shell, one of them tube sheet is at least provided with a medium inlet, another tube sheet is at least provided with a media outlet corresponding with medium inlet, be communicated with by helix tube between corresponding medium inlet and media outlet, this helix tube is wound on central tube.
As the preferred scheme of one, described central tube comprises the cylindric pipe end being positioned at two ends, the cylindrical body being positioned at middle part and connects the cone connection of cylindrical body and pipe end, and the diameter of this cylindrical body is greater than the diameter of cylindric pipe end.
As the preferred scheme of one, described tube sheet is arranged three medium inlets, be respectively second medium entrance, the 3rd medium inlet, the 4th medium inlet; Corresponding, another tube sheet is then provided with second medium outlet, the 3rd media outlet and the 4th media outlet, second medium entrance is communicated with by the second helix tube between exporting with second medium, be communicated with by the 3rd helix tube between 3rd medium inlet with the 3rd media outlet, be communicated with by the 4th helix tube between the 4th medium inlet with the 4th media outlet.
As the preferred scheme of one, on tube sheet, each medium inlet and media outlet are all communicated with by many helix tubes.
As the preferred scheme of one, described first helix tube, the second helix tube, the 3rd helix tube are wrapped in central tube, and are provided with parting bead between the adjacent from inside to outside winding layer of central tube.
As the preferred scheme of one, the axis of described central tube overlaps with the axis of shell.
As the preferred scheme of one, described second medium entrance, the 3rd medium inlet and the 4th medium inlet are relative to the axis circumference uniform distribution of central tube.
As the preferred scheme of one, described second medium entrance and second medium export center line, the 3rd medium inlet and the 3rd media outlet line of centres, the 4th medium inlet and the 4th media outlet line of centres all with the axis parallel of central tube.
As the preferred scheme of one, described first medium entrance is near the tube sheet being installed on second medium outlet, and described first medium outlet is near the tube sheet being installed on second medium entrance.
After have employed technique scheme, effect of the present invention is: this heat exchanger can realize tube side medium and shell side medium carries out heat exchange between two, thus improve heat exchange efficiency, meet the requirement of polypropylene chemical process, utilize helix tube to can greatly improve the coefficient of heat transfer simultaneously, increase the heat exchange area of unit volume.The alternative multiple shell-and-tube heat exchanger of whole heat exchanger, makes cost lower, volume-diminished.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the enlarged drawing of Fig. 1 at I place;
In accompanying drawing: 1. shell; 2. first medium entrance; 3. first medium outlet; 4. central tube; 5. second medium entrance; 6. the 3rd medium inlet; 7. the 4th medium inlet; 8. second medium outlet; 9. the 3rd media outlet; 10. the 4th media outlet; 11. entrance tube sheets; 12. outlet tube sheets; 13. first helix tubes; 14. parting beads; 15. second helix tubes; 16. the 3rd helix tubes.
Detailed description of the invention
Below by specific embodiment, the present invention is described in further detail.
As shown in Figure 1, a kind of polypropylene chemical process heat exchanger, comprise the shell 1 of tubular, described shell 1 two ends are respectively arranged with tube sheet, for convenience of describing, wherein one piece of tube sheet is claimed to be entrance tube sheet 11, another block tube sheet is then outlet tube sheet 12, the two ends of two tube sheets and shell 1 are sealed and matched and are welded to connect, this shell 1 is provided with first medium entrance 2 and first medium outlet 3, this first medium entrance 2 and first medium outlet 3 lay respectively at the two ends of shell 1, wherein first medium entrance 2 be arranged on shell 1 sidewall on and near outlet tube sheet 12, on the sidewall that first medium outlet 3 is arranged at shell 1 and near entrance tube sheet 11, this first medium entrance 2, space in shell 1, first medium outlet 3 constitutes first medium flow channel, central tube 4 is fixed with between inherent two tube sheets of this shell 1, this central tube 4 is sealed and matched respectively and between two tube sheets, prevent first medium from entering in central tube 4, one of them tube sheet is at least provided with a medium inlet, another tube sheet is at least provided with a media outlet corresponding with medium inlet, be communicated with by helix tube between corresponding medium inlet and media outlet, this helix tube is wound on central tube 4.In the present embodiment, all medium inlets are all arranged on entrance tube sheet 11, all media outlets are all arranged on outlet tube sheet 12, described entrance tube sheet 11 are arranged three medium inlets, are respectively second medium entrance 5, the 3rd medium inlet 6, the 4th medium inlet 7; Corresponding, outlet tube sheet 12 is provided with second medium outlet the 8, the 3rd media outlet 9 and the 4th media outlet 10, second medium entrance 5 is communicated with by the second helix tube 15 between exporting 8 with second medium, be communicated with by the 3rd helix tube 16 between 3rd medium inlet 6 with the 3rd media outlet 9, be communicated with by the 4th helix tube between the 4th medium inlet 7 with the 4th media outlet 10.Each medium inlet and media outlet are all communicated with by many helix tubes.Described first helix tube 13, second helix tube 15, the 3rd helix tube 16 are wrapped in central tube 4, and be provided with parting bead 14 between the adjacent from inside to outside winding layer of central tube 4, this parting bead 14 can avoid each helix tube to contact, there is the effect of positioning screw coil, not only facilitate layout and the winding of helix tube, and parting bead space has the effect of the flow channel as shell side medium.
Described central tube 4 comprises the cylindric pipe end being positioned at two ends, the cylindrical body being positioned at middle part and connects the cone connection of cylindrical body and pipe end, the diameter of this cylindrical body is greater than the diameter of cylindric pipe end, and this structure facilitates helix tube to be spirally wound in cylindrical body.The axis of described central tube 4 overlaps with the axis of shell 1.Described second medium entrance 5, the 3rd medium inlet 6 and the 4th medium inlet 7 are relative to the axis circumference uniform distribution of central tube 4.Described second medium entrance 5 and second medium export 8 lines of centres, the 3rd medium inlet 6 and the 3rd media outlet 9 line of centres, the 4th medium inlet 7 and the 4th media outlet 10 line of centres all with the axis parallel of central tube 4, facilitate mouth of pipe identification and docking like this.
Certainly, according to actual connection, described second medium entrance 5 and second medium described in second export 8 lines of centres, the 3rd medium inlet 6 and the 3rd media outlet 9 line of centres, the 4th medium inlet 7 and the 4th media outlet 10 line of centres also can not with axis parallel.
This heat exchanger is except can be used for polypropylene chemical process, also can be used for the heat exchange that other chemical process is similar, as being applied to large nitrogenous fertilizer low temperature washing device for methanol, cryogenic high pressure faces hydrogen system, HTHP faces hydrogen system, the subcooler of continuous reformer, air-separating plant and liquefier (liquid oxygen, liquid ammonia device), LNG receiving station the workshop section such as vapourizing unit.
Claims (9)
1. a polypropylene chemical process heat exchanger, comprise the shell of tubular, it is characterized in that: described shell two ends are respectively arranged with tube sheet, this shell is provided with first medium entrance and first medium outlet, this first medium entrance and first medium outlet lay respectively at the two ends of shell, space in this first medium entrance, shell, first medium export mixes first medium flow channel; Central tube is fixed with between inherent two tube sheets of this shell, one of them tube sheet is at least provided with a medium inlet, another tube sheet is at least provided with a media outlet corresponding with medium inlet, be communicated with by helix tube between corresponding medium inlet and media outlet, this helix tube is wound on central tube.
2. a kind of polypropylene chemical process heat exchanger as claimed in claim 1, it is characterized in that: described central tube comprises the cylindric pipe end being positioned at two ends, the cylindrical body being positioned at middle part and connects the cone connection of cylindrical body and pipe end, and the diameter of this cylindrical body is greater than the diameter of cylindric pipe end.
3. a kind of polypropylene chemical process heat exchanger as claimed in claim 2, is characterized in that: described tube sheet is arranged three medium inlets, is respectively second medium entrance, the 3rd medium inlet, the 4th medium inlet; Corresponding, another tube sheet is then provided with second medium outlet, the 3rd media outlet and the 4th media outlet, second medium entrance is communicated with by the second helix tube between exporting with second medium, be communicated with by the 3rd helix tube between 3rd medium inlet with the 3rd media outlet, be communicated with by the 4th helix tube between the 4th medium inlet with the 4th media outlet.
4. a kind of polypropylene chemical process heat exchanger as claimed in claim 3, is characterized in that: on tube sheet, each medium inlet and media outlet are all communicated with by many helix tubes.
5. a kind of polypropylene chemical process heat exchanger as claimed in claim 4, is characterized in that: described first helix tube, the second helix tube, the 3rd helix tube are wrapped in central tube, and is provided with parting bead between the adjacent from inside to outside winding layer of central tube.
6. a kind of polypropylene chemical process heat exchanger as claimed in claim 5, is characterized in that: the axis of described central tube overlaps with the axis of shell.
7. a kind of polypropylene chemical process heat exchanger as claimed in claim 6, is characterized in that: described second medium entrance, the 3rd medium inlet and the 4th medium inlet are relative to the axis circumference uniform distribution of central tube.
8. a kind of polypropylene chemical process heat exchanger as claimed in claim 7, is characterized in that: described second medium entrance and second medium export center line, the 3rd medium inlet and the 3rd media outlet line of centres, the 4th medium inlet and the 4th media outlet line of centres all with the axis parallel of central tube.
9. a kind of polypropylene chemical process heat exchanger as claimed in claim 8, is characterized in that: described first medium entrance is near the tube sheet being installed on second medium outlet, and described first medium outlet is near the tube sheet being installed on second medium entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410471198.1A CN104215098A (en) | 2014-09-16 | 2014-09-16 | Heat exchanger for polypropylene chemical process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410471198.1A CN104215098A (en) | 2014-09-16 | 2014-09-16 | Heat exchanger for polypropylene chemical process |
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| Publication Number | Publication Date |
|---|---|
| CN104215098A true CN104215098A (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410471198.1A Pending CN104215098A (en) | 2014-09-16 | 2014-09-16 | Heat exchanger for polypropylene chemical process |
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| CN (1) | CN104215098A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066739A (en) * | 2015-08-27 | 2015-11-18 | 山东省化工研究院 | Multi-medium heat exchanger and heat exchange method for polypropylene chemical process |
| CN106852170A (en) * | 2016-04-25 | 2017-06-13 | 谭波 | The operation method of air cooler, Air-Cooling Island and Air-Cooling Island |
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| CN101226031A (en) * | 2008-02-04 | 2008-07-23 | 浙江大学 | Winding type spiral pipe heat exchanger |
| CN201173719Y (en) * | 2008-01-31 | 2008-12-31 | 安永国 | Spiral screw thread winding type heat exchanger |
| CN201607144U (en) * | 2010-03-09 | 2010-10-13 | 石家庄市石换换热环保有限公司 | Spiral coil pipe heat exchanging device |
| CN102538387A (en) * | 2011-11-22 | 2012-07-04 | 张周卫 | Liquefied natural gas (LNG) low temperature liquefied three-level refrigeration spiral wound tube type heat exchanger |
| CN103542742A (en) * | 2013-11-02 | 2014-01-29 | 福州大学 | Core-pulling heat exchanger |
| CN103673675A (en) * | 2012-09-14 | 2014-03-26 | 埃贝斯佩歇废气技术合资公司 | Heat exchanger |
| CN204085253U (en) * | 2014-09-16 | 2015-01-07 | 张家港市华菱化工机械有限公司 | A kind of polypropylene chemical process heat exchanger |
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2014
- 2014-09-16 CN CN201410471198.1A patent/CN104215098A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3582741B2 (en) * | 1993-11-24 | 2004-10-27 | スタンダード・ファーセル‐レントイェス・ベスローテン・フェンノートシャップ | Cooling system |
| CN2457547Y (en) * | 2000-12-31 | 2001-10-31 | 中国船舶重工集团公司第七研究院第七○三研究所 | Bearing medium pressure high adhesive flow screw plate heat exchanger |
| CN1585884A (en) * | 2001-11-09 | 2005-02-23 | 奥尔堡工业公司 | A heat exchanger, combination with heat exchanger and method of manufacturing the heat exchanger |
| CN1882816A (en) * | 2003-11-19 | 2006-12-20 | 开利公司 | Method of making multi-tube in spiral heat exchanger |
| CN1710368A (en) * | 2004-06-18 | 2005-12-21 | 高尧林 | Multi-spiral-path chasing |
| CN2755545Y (en) * | 2004-12-17 | 2006-02-01 | 杨秀兰 | Sleeving heat exchanger |
| CN1920461A (en) * | 2005-08-22 | 2007-02-28 | 郑文和 | Multi-thread type heat exchanger and the manufacture method |
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| CN102538387A (en) * | 2011-11-22 | 2012-07-04 | 张周卫 | Liquefied natural gas (LNG) low temperature liquefied three-level refrigeration spiral wound tube type heat exchanger |
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| CN103542742A (en) * | 2013-11-02 | 2014-01-29 | 福州大学 | Core-pulling heat exchanger |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066739A (en) * | 2015-08-27 | 2015-11-18 | 山东省化工研究院 | Multi-medium heat exchanger and heat exchange method for polypropylene chemical process |
| CN106852170A (en) * | 2016-04-25 | 2017-06-13 | 谭波 | The operation method of air cooler, Air-Cooling Island and Air-Cooling Island |
| CN106852170B (en) * | 2016-04-25 | 2019-02-05 | 谭波 | The operation method of air cooler, Air-Cooling Island and Air-Cooling Island |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141217 |