CN201443986U - Efficient condensing heat exchanger for outer part of tube - Google Patents
Efficient condensing heat exchanger for outer part of tube Download PDFInfo
- Publication number
- CN201443986U CN201443986U CN2009200299037U CN200920029903U CN201443986U CN 201443986 U CN201443986 U CN 201443986U CN 2009200299037 U CN2009200299037 U CN 2009200299037U CN 200920029903 U CN200920029903 U CN 200920029903U CN 201443986 U CN201443986 U CN 201443986U
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- heat exchanger
- end cover
- heat exchange
- exchanger body
- exchange tubes
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Abstract
An efficient condensing heat exchanger belongs to the field of thermal equipment, and particularly relates to steam-condensing heat exchanger equipment. The heat exchanger comprises an upper end cover (10), a lower end cover (1), a heat exchanger body (4) and a deflection plate (12), wherein heat exchange tubes (5) are arranged in the heat exchanger body (4); a cold water inlet tube (15) and a hot water outlet tube (16) which are communicated with the heat exchange tubes (5) are arranged on the upper end cover (10); a pull rod (14) parallel to the heat exchange tube group (5) is arranged inside the heat exchanger body (4); distance tubes (13) are sleeved outside the pull rod (14) in sections; and the deflection plate (12) and the pull rod (14) are fixed in the heat exchanger body (4) through the distance tubes (13). The utility model has the advantages that steam can be effectively maintained under an operating condition of efficient heat exchange of thin-liquid film condensation during the whole condensation process, a condensed liquid film can be separated from a gas phase instantly, and the total heat exchange coefficient is high.
Description
Technical field
Manage outer high-efficiency condensation heat exchanger, belong to the Thermal Equipment field, be specifically related to a kind of steam condensing heat exchanger equipment.
Background technology
Heat exchanger is energy transmission and a converting apparatus the most basic in industrial production and the daily life, have that technology is simple, cost is low, adaptability is strong, treating capacity is big, be adapted to numerous advantages such as HTHP, the scope of application is very wide, especially more is in leading position in industries such as chemical industry, oil, the energy.But conventional tube shell heat exchanger inside pipe wall condensation water when condensation can progressively thicken film forming, hindering steam contacts with wall, this is the main thermal resistance of condensation heat transfer, and progressively increasing in the pipe with liquid is complicated two phase flow, the serious variation of condensation effect, velocity in pipes obviously descends simultaneously, and heat convection weakens; Complicated two phase flow produces serious adverse effect to operation stability, flow resistance and system regulation etc.; The pipe internal thermal resistance increases, and the outer tube wall temperature descends, and causes the outer fluid measured heat convection temperature difference to reduce; Unit volume heat-transfer area and heat transfer coefficient are also lower.At these problem conventional methods generally adopt increase in outer area satisfy the heat exchange demand, also increase disturbance in the pipe as far as possible, cause heat exchanger volume, weight bigger, make and the operating cost height.Pursuing today efficient, energy-saving and environmental protection, be difficult to satisfy the industrial production requirement.On the other hand, though domestic existing many heat exchanger producer, possessed certain manufacturing capacity, but because the understanding of heat exchanging device is not deep enough, accumulation is abundant inadequately and the backwardness of processing technology, product exists the problem of aspects such as structural compactness, heat-transfer intensity and metal wastage.The applicant Zibo Trywow Central Air Conditioning Co., Ltd in the application number of application in 2005 is: 200510045247.6 efficient out-tubular condensing heat-exchanger patent, practice finds that there are some technical problems in above-mentioned patent, particularly deflection plate is installed aspects such as location, raising heat exchange efficiency and safe operation and can be improved.Through in a few years application and practice, the utility model has had new improvement and innovation again to out-tubular condensing heat-exchanger, and its performance boost, energy-saving and cost-reducing, safe operation and minimizing space scale etc. are played an important role.
The utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of steam in omnidistance condensation process, can both maintain the high efficient heat exchanging operating mode of thin liquid film condensation effectively, condensate film is gentle is on good terms instant the separation, the outer high-efficiency condensation heat exchanger of the pipe that total coefficient of heat transfer is high.
The technical scheme that its technical problem that solves the utility model adopts is: the outer high-efficiency condensation heat exchanger of this pipe, comprise upper end cover, bottom end cover, heat exchanger main body and deflection plate, be provided with set of heat exchange tubes in the heat exchanger body, it is characterized in that: upper end cover is provided with cold water inlet tube and the hot water outlet pipe who communicates with set of heat exchange tubes, heat exchanger main body upper end is equipped with the steam inlet pipe, the lower end is equipped with the condensate outlet pipe, heat exchanger body inside is provided with the pull bar that is parallel to set of heat exchange tubes, the outer segmentation of pull bar is with distance sink tube, and deflection plate is fixed in the heat exchanger body by distance sink tube and pull bar.
Heat exchanger body top is provided with safety valve connecting pipe.
Be provided with dividing plate in the upper end cover.
Dividing plate is arranged for the T type in upper end cover.
Be provided with dividing plate in the bottom end cover, the bottom is provided with sewage draining exit, and the bottom end cover below is provided with bearing.
Compared with prior art, the beneficial effect that the outer high-efficiency condensation heat exchanger of the utility model pipe is had is: 1, adopt vertical short tube to arrange, the design of thin liquid film perturbation scheme, utilize gravity and thin liquid film effect to realize separating automatically of liquid film and gas phase, realize that steam can both maintain the high efficient heat exchanging operating mode of thin liquid film condensation effectively in omnidistance condensation process, utilize the thickness of flow design attenuate liquid film effectively simultaneously, keeping condensation surface is unstable thin liquid film or dropwise condensation form, reduced thermal resistance, steam directly contact with the set of heat exchange tubes surface and keep the higher coefficient of heat transfer, improved the shortcoming that causes coefficient of heat transfer decline in the legacy equipment because of liquid film covering heat exchange surface; 2, the layout of set of heat exchange tubes flow process in the heat exchanger body, the generation that has slowed down incrustation scale greatly after making cold water enter has prolonged service life.Upper and lower end cap adopts bolt to be connected with heat exchanger body, is convenient to care and maintenance; 3, processing is simple, does not need any special processing technology, and cost is low, can reduce heat exchange area about 30%, good reliability, and operating cost is low.
Description of drawings
Fig. 1 is the outer high-efficiency condensation heat exchanger cross-sectional schematic of the utility model pipe;
Fig. 2 is that the utility model A is to schematic diagram;
Fig. 3 is the utility model B-B cross-sectional schematic.
Wherein: 1, bottom end cover 2, lower perforated plate 3, condensation water outlet 4, heat exchanger body 5, set of heat exchange tubes 6, liquid barrier 7, steam inlet pipe 8, upper perforated plate 9, flange 10, upper end cover 11, safety valve connecting pipe 12, deflection plate 13, distance sink tube 14, pull bar 15, cold water inlet tube 16, hot water outlet pipe 17, upper end cover dividing plate 18, bottom end cover dividing plate 19, sewage draining exit 20, bearing.
Fig. 1～3rd, the most preferred embodiment of the outer high-efficiency condensation heat exchanger of the utility model pipe is described further below in conjunction with 1～3 pair of the utility model of accompanying drawing:
The specific embodiment
Shown in accompanying drawing 1:
The outer high-efficiency condensation heat exchanger of the utility model pipe is a vertical design, between upper end cover 10 and bottom end cover 1 and the heat exchanger body 4 seal washer is set, and connects with flange 9.Heat exchanger body 4 tops are provided with steam inlet pipe 7, and steam inlet pipe 7 places are provided with liquid barrier 6, and heat exchanger body 4 bottoms are provided with condensation water outlet 3, and steam is after set of heat exchange tubes 5 condensed exterior, and condensation water is discharged by condensation water outlet 3.Bottom end cover 1 bottom is provided with bearing 20.
As shown in Figure 2:
As shown in Figure 3:
The operation principle and the course of work:
Cold water is entered by the cold water inlet tube 15 of upper end cover 10, and the several flow processs that intercept through upper end cover dividing plate 17 and bottom end cover dividing plate 18 carry out after the heat exchange being discharged by the hot water outlet pipe 16 of upper end cover 10 with the outer medium of set of heat exchange tubes 5.Steam enters heat exchanger body 4 by the steam inlet pipe 7 on the heat exchanger body 4, and is descending along set of heat exchange tubes 5, and the several flow processs and set of heat exchange tubes 5 inner cold waters that intercept through deflection plate 12 carry out heat exchange after the condensation water outlet 3 of heat exchanger body 4 is discharged.
The outer high-efficiency condensation heat exchanger of the utility model pipe adopts vertical short tube thin liquid film perturbation scheme, utilize gravity and thin liquid film effect to realize separating automatically of liquid film and gas phase, improved the coefficient of heat transfer greatly thereby steam is directly contacted with set of heat exchange tubes 5 surfaces, structural design can guarantee that long-play is less scaling cleverly simultaneously, is convenient to care and maintenance, and processing is simple, cost is low, can reduce heat exchange area about 30%, good reliability, operating cost is low, meets the environmental protection and energy saving policy of country.
Claims (4)
1. manage outer high-efficiency condensation heat exchanger, comprise upper end cover (10), bottom end cover (1), heat exchanger body (4) and deflection plate (12), be provided with set of heat exchange tubes (5) in the heat exchanger body (4), it is characterized in that: upper end cover (10) is provided with cold water inlet tube (15) and the hot water outlet pipe (16) who communicates with set of heat exchange tubes (5), heat exchanger main body (4) upper end is equipped with steam inlet pipe (7), the lower end is equipped with condensate outlet pipe (3), heat exchanger body (4) inside is provided with the pull bar (14) that is parallel to set of heat exchange tubes (5), the outer segmentation of pull bar (14) is with distance sink tube (13), and deflection plate (12) is fixed in the heat exchanger body (4) by distance sink tube (13) and pull bar (14).
2. uniform flow high-performance heat exchanger according to claim 1 is characterized in that: heat exchanger body (4) top is provided with safety valve connecting pipe (11).
3. the outer high-efficiency condensation heat exchanger of pipe according to claim 1 is characterized in that: be provided with dividing plate (17) in the upper end cover (10).
4. the outer high-efficiency condensation heat exchanger of pipe according to claim 3 is characterized in that: dividing plate (17) is arranged for the T type in upper end cover (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200299037U CN201443986U (en) | 2009-07-13 | 2009-07-13 | Efficient condensing heat exchanger for outer part of tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200299037U CN201443986U (en) | 2009-07-13 | 2009-07-13 | Efficient condensing heat exchanger for outer part of tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201443986U true CN201443986U (en) | 2010-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200299037U Expired - Fee Related CN201443986U (en) | 2009-07-13 | 2009-07-13 | Efficient condensing heat exchanger for outer part of tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201443986U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162557A (en) * | 2011-12-14 | 2013-06-19 | 孟祥成 | Detachable pressure-tolerant spiral-plate heat exchanger |
| CN103458982A (en) * | 2011-04-07 | 2013-12-18 | 巴斯夫欧洲公司 | Device and method for condensing steam in a vessel |
| CN105066729A (en) * | 2015-08-27 | 2015-11-18 | 广东工业大学 | Plate-type condenser with liquid separation function |
| CN110145944A (en) * | 2019-05-28 | 2019-08-20 | 江苏龙净节能科技有限公司 | A kind of condenser |
-
2009
- 2009-07-13 CN CN2009200299037U patent/CN201443986U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103458982A (en) * | 2011-04-07 | 2013-12-18 | 巴斯夫欧洲公司 | Device and method for condensing steam in a vessel |
| CN103458982B (en) * | 2011-04-07 | 2015-05-27 | 巴斯夫欧洲公司 | Device and method for condensing steam in a vessel |
| CN103162557A (en) * | 2011-12-14 | 2013-06-19 | 孟祥成 | Detachable pressure-tolerant spiral-plate heat exchanger |
| CN103162557B (en) * | 2011-12-14 | 2016-01-27 | 孟祥成 | Detachable pressure-tolerant spiral-plate heat exchanger |
| CN105066729A (en) * | 2015-08-27 | 2015-11-18 | 广东工业大学 | Plate-type condenser with liquid separation function |
| CN105066729B (en) * | 2015-08-27 | 2017-06-16 | 广东工业大学 | A kind of plate-type condenser with point liquid function |
| CN110145944A (en) * | 2019-05-28 | 2019-08-20 | 江苏龙净节能科技有限公司 | A kind of condenser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100428 Termination date: 20170713 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |