CN202915741U - High-efficiency heat exchanger - Google Patents
High-efficiency heat exchanger Download PDFInfo
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- CN202915741U CN202915741U CN 201220486495 CN201220486495U CN202915741U CN 202915741 U CN202915741 U CN 202915741U CN 201220486495 CN201220486495 CN 201220486495 CN 201220486495 U CN201220486495 U CN 201220486495U CN 202915741 U CN202915741 U CN 202915741U
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Abstract
The utility model belongs to the technical field of heat exchanger devices and particularly relates to a high-efficiency heat exchanger. The heat exchanger resolves the technical problem in the prior art of unreasonable design and the like. The heat exchanger comprises a tube body, an air feeding pipe is arranged on the upper portion of the tube body, and a liquid returning pipe is arranged on the lower portion of the tube body. The heat exchanger further comprises an upper flange with a first cavity and a lower flange with a second cavity. The upper flange and the lower flange are connected with the tube body through a detachable structure, a water feeding pipe is arranged on the lower flange, a water discharging pipe is arranged on the upper flange, a plurality of heat exchange pipes axially penetrating through the tube body are arranged in the tube body, two ends of each heat exchange pipe are communicated with the first cavity and the second cavity, and a flow guide structure capable of guiding air flow entering from the air feeding pipe to flow downwards to be discharged from the liquid returning pipe is arranged on the heat exchange pipes. Compared with the prior art, the heat exchanger has the advantages of being reasonable in design, simple in structure, high in heat exchange efficiency and easy to wash.
Description
Technical field
The utility model belongs to the heat exchange equipment technical field, relates in particular to a kind of high-performance heat exchanger.
Background technology
Heat exchanger, a kind of part heat transferred cold fluid with hot fluid makes fluid temperature (F.T.) reach the exchange heat equipment of technological process set quota, claims again heat exchanger.Following several heat exchanger is arranged usually: surface-type heat exchanger, heat regenerator, fluid connect indirect type heat exchanger and direct-contact heat exchanger etc.The process of heat exchange is that two kinds of different fluids of temperature flow in the space that is separated by wall, and the heat conduction by wall and fluid carry out heat exchange in the wall surface convection current between two kinds of fluids.At present, mostly the heat exchanger tube of most of heat exchangers is to adopt ring pipe or spiral coil arrangement, this heat exchanger tube can satisfy instructions for use to a certain extent, but the coefficient of heat transfer during this heat exchanger tube convection current is low, namely heat transfer effect is relatively poor, in addition, when needing to change the dirt on heat exchanger tube or the cleaning heat exchanger tube, change and clean all inconvenient.
The problem that exists in order to solve prior art, people have carried out long-term exploration, have proposed various solutions.For example, Chinese patent literature discloses a kind of double pipe heat exchanger [application number: 200520054881.1], be comprised of concentric inner tube, outer tube, the toroidal cavity that forms at inner tube, outer tube axially is provided with three rib roots that thermal conductivity is good at least along pipe, and the rib root is connected as a single entity inner and outer tubes.The tube wall of inner tube is laid with fin along the axial interval of pipe, and this fin and inner tube are an overall structure.
Such scheme improves to a certain extent by some fins and has improved prior art, the coefficient of heat transfer of heat convection especially, but at least also there is following defective in this structure: 1, monolithic construction intensity is no doubt very high, to have dirt residual on the surface after utilizing but heat exchanger tube is long-time, and this scheme just obviously is inconvenient to clean.2, be to have improved the coefficient of heat transfer by fin, but heat transfer effect or undesirable.3, maintenance or replacing are inconvenient.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides a kind of design more reasonable, simple in structure, and heat transfer rate is high, easy cleaning, the high-performance heat exchanger of long service life.
For achieving the above object, the utility model has adopted following technical proposal: comprise cylindrical shell, be provided with air inlet pipe on cylindrical shell top, be provided with liquid back pipe in the cylindrical shell bottom, it is characterized in that, this heat exchanger also comprises the upper flange with first cavity and has the lower flange of the second cavity, upper flange links to each other with cylindrical shell by demountable structure with lower flange, be provided with water inlet pipe at lower flange, be provided with outlet pipe at upper flange, be provided with some heat exchanger tubes that described cylindrical shell and two ends are communicated with the first cavity and the second cavity respectively that axially run through in the described cylindrical shell, described heat exchanger tube is provided with the air-flow guiding downwards that air inlet pipe can be entered and the flow-guiding structure of discharging from liquid back pipe.
When the dirt on the needs cleaning heat exchanger tube, upper flange and lower flange can be removed by demountable structure, just can take out heat exchanger tube or directly cleaning, easy to clean is simple, in addition, also is convenient to exchange maintenance and the replacing of heat pipe; This demountable structure can be the some screws that are located on upper flange and the lower flange, is provided with some screws at cylindrical shell, and screw and screw are corresponding and be threaded one by one.In addition, flow-guiding structure can reduce the speed of air descend, that is to say the heat exchange amount of fluid in the time of can improving convection current, good effect of heat exchange.
In above-mentioned high-performance heat exchanger, be provided with the baffle plate that cylindrical shell can be separated into upper chamber and lower chambers in the described cylindrical shell, described heat exchanger tube is straight tube and all is located on the described baffle plate, and described air inlet pipe is communicated with upper chamber, and described liquid back pipe is communicated with lower chambers.Straight tube is convenient to be cleaned, and in addition, air inlet pipe can be horizontally set.
As a kind of prioritization scheme, in above-mentioned high-performance heat exchanger, described flow-guiding structure comprises the helical groove that is arranged on the heat exchanger tube outer wall, and the outer wall of described adjacent heat exchange tubes is in contact with one another and surrounds the formation helical duct, and described upper chamber and lower chambers are by the helical duct conducting.Can improve heat transfer rate, good effect of heat exchange.
In above-mentioned high-performance heat exchanger, be respectively equipped with hermetically-sealed construction between described cylindrical shell and upper flange and cylindrical shell and the lower flange.Hermetically-sealed construction can be the sealing ring with corrosion proof function.
In above-mentioned high-performance heat exchanger, be equipped with heat-insulation layer in described upper flange and the lower flange.Heat-insulation layer is prior art, can play insulation effect.
In above-mentioned high-performance heat exchanger, described cylinder inboard wall and outer wall are provided with thermal insulation layer.Thermal insulation layer is prior art, can play a protective role and heat-blocking action.
In above-mentioned high-performance heat exchanger, described heat exchanger tube comprises any one in copper pipe, carbon pipe, stainless steel tube and the compo pipe.
Compared with prior art, the advantage of this high-performance heat exchanger is: 1, design is more reasonable, simple in structure.2, when the dirt on the needs cleaning heat exchanger tube, upper flange and lower flange can be removed by demountable structure, just can take out heat exchanger tube or directly cleaning, easy to clean is simple, in addition, also is convenient to exchange maintenance and the replacing of heat pipe; In addition, flow-guiding structure can reduce the speed of air descend, that is to say the heat exchange amount of fluid in the time of can improving convection current, good effect of heat exchange.3, long service life.
Description of drawings
Fig. 1 is the structural representation that the utility model provides.
Fig. 2 is the heat exchanger tube structure for amplifying schematic diagram that the utility model provides.
Among the figure, cylindrical shell 1, air inlet pipe 11, liquid back pipe 12, upper flange 2, lower flange 3, water inlet pipe 31, outlet pipe 21, heat exchanger tube 4, the 1a of upper chamber, lower chambers 1b, baffle plate 13, helical groove 41.
The specific embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, this high-performance heat exchanger comprises cylindrical shell 1, in order to prevent that the air-flow heat from leaking, be provided with thermal insulation layer at cylindrical shell 1 inner and outer wall, be provided with air inlet pipe 11 on cylindrical shell 1 top, be provided with liquid back pipe 12 in cylindrical shell 1 bottom, this heat exchanger also comprises the upper flange 2 with first cavity and the lower flange 3 with second cavity, in order to prevent that the fluid in the first cavity and the second cavity is cooled, in upper flange 2 and lower flange 3, be equipped with heat-insulation layer, clean for convenient, upper flange 2 links to each other with cylindrical shell 1 by demountable structure with lower flange 3, in order to guarantee air-tightness, at cylindrical shell 1 and upper flange 2, and being respectively equipped with hermetically-sealed construction between cylindrical shell 1 and the lower flange 3, the sealing structure can be the sealing ring with corrosion proof function;
For convenient water inlet and water outlet, be provided with water inlet pipe 31 at lower flange 3, be provided with outlet pipe 21 at upper flange 2, in cylindrical shell 1, be provided with some heat exchanger tubes 4 that described cylindrical shell 1 and two ends are communicated with the first cavity and the second cavity respectively that axially run through, be provided with the air-flow guiding downwards that air inlet pipe 11 can be entered and the flow-guiding structure of discharging from liquid back pipe 12 at heat exchanger tube 4.Further, for air-flow is flowed downward by flow-guiding structure, in cylindrical shell 1, be provided with the baffle plate 13 that cylindrical shell 1 can be separated into the 1a of upper chamber and lower chambers 1b, described heat exchanger tube 4 is straight tube and all is located on the described baffle plate 13, in addition, the air inlet pipe 11 here is communicated with the 1a of upper chamber, and liquid back pipe 12 is communicated with lower chambers 1b.
In order to improve heat transfer rate, as shown in Figure 1, 2, above-mentioned flow-guiding structure comprises the helical groove 41 that is arranged on heat exchanger tube 4 outer walls, and the outer wall of adjacent heat exchange tubes 4 is in contact with one another and surrounds the formation helical duct, and the above-mentioned 1a of upper chamber and lower chambers 1b are by the helical duct conducting.Prioritization scheme, this heat exchanger tube 4 comprises any one in copper pipe, carbon pipe, stainless steel tube and the compo pipe; Certainly, other pipe that can satisfy instructions for use also is operable.
In the present embodiment, when needs clean heat exchanger tube 4, upper flange 2 and lower flange 3 can be removed by demountable structure, heat exchanger tube 4 can be taken off cleaning, also can directly clean, equally also be convenient to exchange maintenance and the replacing of heat pipe 4; In addition, the heat exchange amount when helical groove 41 can improve two fluid convections, good effect of heat exchange.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used the terms such as cylindrical shell 1, air inlet pipe 11, liquid back pipe 12, upper flange 2, lower flange 3, water inlet pipe 31, outlet pipe 21, heat exchanger tube 4, the 1a of upper chamber, lower chambers 1b, baffle plate 13, helical groove 41, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (7)
1. high-performance heat exchanger, comprise cylindrical shell (1), be provided with air inlet pipe (11) on cylindrical shell (1) top, be provided with liquid back pipe (12) in cylindrical shell (1) bottom, it is characterized in that, this heat exchanger also comprises the upper flange (2) with first cavity and the lower flange (3) with second cavity, upper flange (2) links to each other with cylindrical shell (1) by demountable structure with lower flange (3), be provided with water inlet pipe (31) at lower flange (3), be provided with outlet pipe (21) at upper flange (2), be provided with some heat exchanger tubes (4) that described cylindrical shell (1) and two ends are communicated with the first cavity and the second cavity respectively that axially run through in the described cylindrical shell (1), described heat exchanger tube (4) is provided with the air-flow guiding downwards that air inlet pipe (11) can be entered and the flow-guiding structure of discharging from liquid back pipe (12).
2. high-performance heat exchanger according to claim 1, it is characterized in that, be provided with the baffle plate (13) that cylindrical shell (1) can be separated into upper chamber (1a) and lower chambers (1b) in the described cylindrical shell (1), described heat exchanger tube (4) is straight tube and all is located on the described baffle plate (13), described air inlet pipe (11) is communicated with upper chamber (1a), and described liquid back pipe (12) is communicated with lower chambers (1b).
3. high-performance heat exchanger according to claim 2, it is characterized in that, described flow-guiding structure comprises the helical groove (41) that is arranged on heat exchanger tube (4) outer wall, the outer wall of adjacent heat exchange tubes (4) is in contact with one another and surrounds the formation helical duct, and described upper chamber (1a) and lower chambers (1b) are by the helical duct conducting.
4. high-performance heat exchanger according to claim 1 is characterized in that, is respectively equipped with hermetically-sealed construction between described cylindrical shell (1) and upper flange (2) and cylindrical shell (1) and the lower flange (3).
5. high-performance heat exchanger according to claim 4 is characterized in that, is equipped with heat-insulation layer in described upper flange (2) and the lower flange (3).
6. high-performance heat exchanger according to claim 1 and 2 is characterized in that, described cylindrical shell (1) inner and outer wall is provided with thermal insulation layer.
7. high-performance heat exchanger according to claim 3 is characterized in that, described heat exchanger tube (4) comprises any one in copper pipe, carbon pipe, stainless steel tube and the compo pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220486495 CN202915741U (en) | 2012-09-24 | 2012-09-24 | High-efficiency heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220486495 CN202915741U (en) | 2012-09-24 | 2012-09-24 | High-efficiency heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202915741U true CN202915741U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220486495 Expired - Fee Related CN202915741U (en) | 2012-09-24 | 2012-09-24 | High-efficiency heat exchanger |
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| CN (1) | CN202915741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243010A (en) * | 2013-06-06 | 2013-08-14 | 遵义西南机械设备有限责任公司 | Distiller condenser for brewing white spirits |
-
2012
- 2012-09-24 CN CN 201220486495 patent/CN202915741U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243010A (en) * | 2013-06-06 | 2013-08-14 | 遵义西南机械设备有限责任公司 | Distiller condenser for brewing white spirits |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20130924 |