CN201449164U - Uniform flow highly-efficient heat exchanger - Google Patents
Uniform flow highly-efficient heat exchanger Download PDFInfo
- Publication number
- CN201449164U CN201449164U CN2009200299022U CN200920029902U CN201449164U CN 201449164 U CN201449164 U CN 201449164U CN 2009200299022 U CN2009200299022 U CN 2009200299022U CN 200920029902 U CN200920029902 U CN 200920029902U CN 201449164 U CN201449164 U CN 201449164U
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- heat exchanger
- exchanger body
- uniform flow
- heat exchange
- end cover
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Abstract
A uniform flow highly-efficient heat exchanger belongs to the field of thermal equipment and particularly relates to a uniform flow vapor-liquid heat exchanger. The heat exchanger comprises an upper end cover (11), a lower end cover (16), a heat exchanger body (14) and baffle plates (13), wherein a heat exchange pipe assembly (7) is mounted inside the heat exchanger body (14). The heat exchanger is characterized in that expansion joints (5) are formed at the middle part of the heat exchanger body (14), the upper and the lower ends of each expansion joint (5) are connected with the heat exchanger body (14), a pull rod (6) parallel to the heat exchange pipe assembly (7) is arranged inside the heat exchanger body (14), distance pipes (8) are sleeved outside the pull rod (6) in different sections, and the baffle plates (13) are fixed inside the heat exchanger body (14) through the distance pipes (8) and the pull rod (6). Compared with the prior art, the utility model has the advantages of small thermal expansion increase of the machine body, safety, stability, simple technique, convenient operation, higher heat exchange efficiency and the like.
Description
Technical field
The uniform flow high-performance heat exchanger belongs to the Thermal Equipment field, is specifically related to a kind of uniform flow vapour-liquid heat exchanger.
Background technology
Condensing heat exchanger (containing heat exchanger components) is energy transmission and a converting apparatus the most basic in industrial and agricultural 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, use in a large number as traditional heat exchangers, especially more be in leading position in industries such as chemical industry, oil, the energy.The inside pipe wall condensation water can progressively thicken film forming during the heat exchanger condensation, and hinder steam and contact with wall, be the main thermal resistance of condensation heat transfer.And progressively increase with liquid, can form complicated vapour-liquid two phase flow in the pipe, the serious variation of condensation effect, steam flow rate obviously descends in the pipe 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, and all adopts traditionally to increase and externally in the area satisfies the heat exchange demand, also increases disturbance in the pipe as far as possible, causes volume, weight bigger, making and operating cost height.Pursuing today efficient, energy-saving and environmental protection, conventional tube shell heat exchanger unit volume heat-transfer area and heat transfer coefficient are lower, are difficult to meet the demands.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.Although the shell-and-tube cooler technology is very ripe and be extensive use of, reality and practice still show, it also has great performance boost, energy-saving and cost-reducing, the leeway of reducing space scale and may.The applicant Zibo Trywow Central Air Conditioning Co., Ltd at the application number in application in 2005 is: 200510045246.1 automatic gas-liquid separator condenser for central Air-conditioning unit patent and application number are: 200520124971.3 modified uniform flow vapour-liquid heat exchanger.Practice finds that above-mentioned patent also has many technical problems, and particularly to the installation location of deflection plate, and aspect such as large-scale uniform flow vapour-liquid heat exchanger integral structure processing can be improved.Through development in recent years, be further improved on the problems such as structure, thermal expansion, security and blowdown of the utility model to such uniform flow heat exchanger.
The utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, it is integral structure that a kind of heat exchanger body is provided, and installs simply, easy to operate, the uniform flow high-performance heat exchanger that heat exchange efficiency further improves.
The technical scheme that its technical problem that solves the utility model adopts is: this uniform flow high-performance heat exchanger, comprise upper and lower end cap, heat exchanger body and deflection plate, settle set of heat exchange tubes in the heat exchanger body, it is characterized in that: 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.
Be provided with expansion joint in the middle of the heat exchanger body, expansion joint upper/lower terminal and heat exchanger body link together, and constitute integral structure.Heat exchanger body is inner to be provided with inner sleeve with the corresponding position of expansion joint, and inner sleeve lower end and heat exchanger body link together.Prevent the cold water short circuit.
Heat exchanger body top is provided with blast pipe.Discharge pneumatosis, cold water can be full of in the heat exchanger body to greatest extent.
The heat exchanger body bottom is provided with blow-off pipe.Be convenient to the discharge of impurity and incrustation scale in the cold water.
Upper end cover is provided with gas vent and relief valve port, guarantees security of operation.
Compared with prior art, the beneficial effect that the utility model uniform flow high-performance heat exchanger is had is: 1, utilize fixedly deflection plate of pull bar and distance sink tube, simple in structure, accurate positioning, easy for installation 2, heat exchanger body is an integral type, the middle expansion joint that increases can reduce the expansion of heat exchanger body when work, material expansion increment 3, the heat exchanger body of offsetting the Yin Wendu rising and bringing add blast pipe and blow-off pipe in two ends up and down, be convenient to the gas on heat exchanger body top and the discharge of bottom spot, guarantee the heat exchange effect.
The utility model is simple in structure, does not have any special processing technology, can reduce heat exchange area about 30%, good reliability, and operation and processing cost are low.
Description of drawings
Fig. 1 is that the utility model uniform flow high-performance heat exchanger master looks cross-sectional schematic;
Fig. 2 is that the utility model A is to structural representation;
Fig. 3 is the utility model B-B cross-sectional schematic.
Wherein: 1, flange 2, lower perforated plate 3, cooling water inlet 4, inner sleeve 5, expansion joint 6, pull bar 7, set of heat exchange tubes 8, distance sink tube 9, hot water outlet pipe 10, upper perforated plate 11, upper end cover 12, blast pipe 13, deflection plate 14, heat exchanger body 15, blow-off pipe 16, bottom end cover 17, upper end cover dividing plate 18, steam inlet pipe 19, gas vent 20, safety valve 21, bearing 22, bottom end cover dividing plate 23, condensation water outlet.
Fig. 1～3rd, the most preferred embodiment of the utility model uniform flow high-performance heat exchanger is described further below in conjunction with 1～3 pair of the utility model of accompanying drawing:
The specific embodiment
With reference to accompanying drawing 1: the utility model uniform flow high-performance heat exchanger is made up of flange 1, lower perforated plate 2, cold water inlet tube 3, inner sleeve 4, expansion joint 5, pull bar 6, set of heat exchange tubes 7, distance sink tube 8, hot water outlet pipe 9, upper perforated plate 10, upper end cover 11, blast pipe 12, deflection plate 13, heat exchanger body 14, blow-off pipe 15, bottom end cover 16, upper end cover dividing plate 17, steam inlet pipe 18, gas vent 19, safety valve 20, bearing 21, bottom end cover dividing plate 22 and condensation water outlet 23.Heat exchanger body 14 is an integral type, and the centre is provided with expansion joint 5.Be with inner sleeve 4 on heat exchanger body 14 inside and the expansion joint 5 corresponding positions, inner sleeve 4 lower ends and heat exchanger body 14 weld together.Heat exchanger body 14 upsides are provided with blast pipe 12, discharge the gas in the heat exchanger body 14 when being convenient to add cold water in good time, and downside is established blow-off pipe 15, and heat exchanger be not convenient to the cold water emptying by the time spent.Heat exchanger body 14 tops are provided with hot water outlet pipe 9, and the bottom is provided with cold water inlet tube 3.Heat exchanger body 14 inside are parallel to set of heat exchange tubes 7 and are provided with pull bar 6, are jacketed with distance sink tube 8 on the pull bar 6, and deflection plate 13 is tabular, and one or more is set as required.Polylith deflection plate 13 staggered installations.Be provided with the hole corresponding with set of heat exchange tubes 7 and pull bar 6, deflection plate 13 is sleeved on the pull bar 6, by distance sink tube 8 positioned at intervals.Heat exchanger body 14 inside are equipped with set of heat exchange tubes 7, and set of heat exchange tubes 7 is that many short heat exchanger tubes are formed, and set of heat exchange tubes 7 connects steam inlet pipe 18 and condensation water outlet 23.Set of heat exchange tubes 7 is vertically placed, and its length and quantity are decided according to load, and different loads has the set of heat exchange tubes 7 of different length and quantity.Heat exchanger body 14 is equipped with upper and lower tube sheet 10,2 up and down, is respectively equipped with corresponding duct on the upper and lower tube sheet 10,2 and is used to install and fix set of heat exchange tubes 7.Also be provided with on the deflection plate 13 and set of heat exchange tubes 7 corresponding pores, pore quantity is decided according to the quantity design of set of heat exchange tubes 7.Deflection plate 13 is fixing by pull bar 6 and distance sink tube 8, and pull bar 6 is 4, and the bottom is fixed on the lower perforated plate 2, and set of heat exchange tubes 7 is passed the pore on the deflection plate 13, and upper and lower side is fixed on the upper and lower tube sheet 10,2.Between heat exchanger body 14 and upper end cover 11, the bottom end cover 16 seal washer is set, connects by flange 1.Bottom end cover 16 bottoms are provided with bearing 21.
Shown in accompanying drawing 2, upper end cover 11 tops are provided with steam inlet pipe 18 and gas vent 19, safety valve 20, and dividing plate 17 is set in the upper end cover 11, and the effect of dividing plate 17 is that steam flow is provided with rationally, improve the heat exchange effect, gas vent 19, safety valve 20 guarantee steam pressure safety in the upper end cover 1.
Shown in accompanying drawing 3, bottom end cover 16 bottoms are provided with condensation water outlet 23 and bearing 21, and dividing plate 22 is set in the bottom end cover 16, and bottom end cover 16 is connected with flange 1.
The operation principle and the course of work: cold water is entered by the cold water inlet tube 3 of heat exchanger body 14 bottoms, and the several flow processs that intercept through deflection plate 13 carry out after the heat exchange being discharged by the hot water outlet pipe 9 on heat exchanger body 14 tops with set of heat exchange tubes 7.Steam enters heat exchanger body 14 by the steam inlet pipe 18 on the upper end cover 11, and is descending along set of heat exchange tubes 7, carries out heat exchange with the outer cold water of pipe after the condensation water outlet 23 of bottom end cover 16 is discharged; The condensate liquid that forms in the set of heat exchange tubes 7 in the heat transfer process is discharged downwards under the gravity effect.
The utility model uniform flow high-performance heat exchanger 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, make steam directly with set of heat exchange tubes 7 surperficial contacts, thereby improved the coefficient of heat transfer greatly, structural design can guarantee that long-play is less scaling cleverly simultaneously, be 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 (5)
1. uniform flow high-performance heat exchanger, comprise upper and lower end cap (11,16), heat exchanger body (14) and deflection plate (13), settle set of heat exchange tubes (7) in the heat exchanger body (14), it is characterized in that: heat exchanger body (14) inside is provided with the pull bar (6) that is parallel to set of heat exchange tubes (7), the outer segmentation of pull bar (6) is with distance sink tube (8), and deflection plate (13) is fixed in the heat exchanger body (14) by distance sink tube (8) and pull bar (6).
2. uniform flow high-performance heat exchanger according to claim 1 is characterized in that: be provided with expansion joint (5) in the middle of the heat exchanger body (14), expansion joint (5) upper/lower terminal and heat exchanger body (14) link together.
3. uniform flow high-performance heat exchanger according to claim 2 is characterized in that: heat exchanger body (14) is inner to be provided with inner sleeve (4) with the corresponding position of expansion joint (5), and inner sleeve (4) lower end and heat exchanger body (14) link together.
4. uniform flow high-performance heat exchanger according to claim 3 is characterized in that: heat exchanger body (14) top is provided with blast pipe (12).
5. uniform flow high-performance heat exchanger according to claim 4 is characterized in that: heat exchanger body (14) bottom is provided with blow-off pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200299022U CN201449164U (en) | 2009-07-13 | 2009-07-13 | Uniform flow highly-efficient heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200299022U CN201449164U (en) | 2009-07-13 | 2009-07-13 | Uniform flow highly-efficient heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201449164U true CN201449164U (en) | 2010-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200299022U Expired - Fee Related CN201449164U (en) | 2009-07-13 | 2009-07-13 | Uniform flow highly-efficient heat exchanger |
Country Status (1)
| Country | Link |
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| CN (1) | CN201449164U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721301A (en) * | 2012-06-14 | 2012-10-10 | 江苏双良新能源装备有限公司 | Tube-pass expansion type single-tube-pass heat exchanger |
| CN103471228A (en) * | 2013-09-29 | 2013-12-25 | 南通赛孚机械设备有限公司 | Electric heater with novel structure |
| CN105797408A (en) * | 2011-05-13 | 2016-07-27 | 菲仕兰产品有限公司 | Evaporator system and combination and related operation method thereof |
| CN106178810A (en) * | 2016-09-23 | 2016-12-07 | 上海市凌桥环保设备厂有限公司 | A kind of VOC gas concentration unit |
| CN108801005A (en) * | 2018-07-09 | 2018-11-13 | 李洁 | A kind of heat exchanger |
-
2009
- 2009-07-13 CN CN2009200299022U patent/CN201449164U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797408A (en) * | 2011-05-13 | 2016-07-27 | 菲仕兰产品有限公司 | Evaporator system and combination and related operation method thereof |
| CN105797408B (en) * | 2011-05-13 | 2018-10-30 | 菲仕兰产品有限公司 | Evaporator system and combinations thereof and related operating method |
| CN102721301A (en) * | 2012-06-14 | 2012-10-10 | 江苏双良新能源装备有限公司 | Tube-pass expansion type single-tube-pass heat exchanger |
| CN103471228A (en) * | 2013-09-29 | 2013-12-25 | 南通赛孚机械设备有限公司 | Electric heater with novel structure |
| CN103471228B (en) * | 2013-09-29 | 2016-01-20 | 南通赛孚机械设备有限公司 | The electric heater of new structure |
| CN106178810A (en) * | 2016-09-23 | 2016-12-07 | 上海市凌桥环保设备厂有限公司 | A kind of VOC gas concentration unit |
| CN108801005A (en) * | 2018-07-09 | 2018-11-13 | 李洁 | A kind of heat exchanger |
| CN108801005B (en) * | 2018-07-09 | 2019-11-26 | 安徽原上草节能环保科技有限公司 | A kind of heat exchanger |
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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: 20100505 Termination date: 20170713 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |