CN202770269U - Tube bundle winding type heat exchanger - Google Patents
Tube bundle winding type heat exchanger Download PDFInfo
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- CN202770269U CN202770269U CN201220495692.8U CN201220495692U CN202770269U CN 202770269 U CN202770269 U CN 202770269U CN 201220495692 U CN201220495692 U CN 201220495692U CN 202770269 U CN202770269 U CN 202770269U
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Abstract
A tube bundle winding type heat exchanger comprises a cylinder body (1). The tube bundle winding type heat exchanger is characterized in that tube plates (2) are respectively arranged at two ends of the cylinder body (1), a mandrel (3) is arranged between the two tube plates (2), the mandrel (3) is wound with a plurality of layers of heat tubes (4), the thread directions of adjacent layers of heat tubes (4) are opposite, fixing pieces (5) are arranged between the adjacent layers of heat tubes (4), and the fixing pieces (5) are arranged at intervals along a periphery direction and arranged along an axial direction continuously or at intervals. Two ends of each heat tube (4) are respectively communicated with tube holes (12) arranged on corresponding tube plates (2). Each tube hole (12) is communicated with a cool medium source or a heat medium source through a connecting tube (13). The cylinder (1) is connected with an inlet (6) and an outlet (7) of heated or cooled fluid, and the inlet and the outlet can be changed with each other. The tube bundle winding type heat exchanger is high in heat efficiency, long in service life and good in reliability.
Description
Technical field
The utility model relates to a kind of heat exchanger, the heat exchanger that uses in the industries such as especially a kind of petrochemical industry, chemical industry, metallurgy, electric power, specifically a kind of tube bank coiled heat exchanger.
Background technology
Heat exchanger is the 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.Heat exchanger is widely used in boiler HVAC field as heat-transfer equipment, and along with the develop rapidly of power-saving technology, the kind of heat exchanger is more and more.
Coiled heat exchanger is in the space between core cylinder and urceolus heat-transfer pipe alternately to be entwined by helix shape, and the hand of spiral of adjacent two layers helical form heat-transfer pipe is opposite, and adopts the spacing part of definite shape to make it the spacing that keeps certain.
At present, general winding pipe heat exchanger heat transfer efficient is low, unit heat exchange area is little, be difficult to realize maximizes, twines tube bank easily loosening and cause danger, work and thermal expansion occurs and the phenomenons such as damage in the work engineering.
Summary of the invention
The purpose of this utility model be low for existing winding pipe heat exchanger heat transfer efficient, unit heat exchange area is little, be difficult to realize maximization, twine to restrain in the work engineering and easily become flexible and the problems such as the thermal expansion damage occurs of causing danger, work, design a kind of simple in structure, heat exchange efficiency is high, the location is reliable, but and the tube bank coiled heat exchanger of free wxpansion.
The technical solution of the utility model is:
A kind of tube bank coiled heat exchanger, comprise cylindrical shell 1, the two ends that it is characterized in that described cylindrical shell 1 respectively are provided with a tube sheet 2, mandrel 3 is installed between two tube sheets 2, by being wound with multilayer heat pipe 4, the hand of spiral of the heat pipe 4 of adjacent layer is opposite on the mandrel 3, between the heat pipe 4 of adjacent layer stator 5 is installed, stator 5 is along circumferential interval layout, and continuous or interval is arranged vertically; The two ends of every heat pipe 4 respectively with corresponding tube sheet 2 on pore 12 be connected, each pore 12 is connected with refrigerant or heating agent source by tube connector 13; Be connected with the import 6 and the outlet 7 that are heated or cooled fluid on the described cylindrical shell 1, described import and outlet are interchangeable.
The two ends of described mandrel 3 respectively are connected with a connecting plate 8, described connecting plate 8 respectively is connected with an outer tube 9, wherein the outer tube 9 of an end is fixedly linked with corresponding tube sheet 2, outer tube 9 movable sets of the other end are on an end of stationary pipes 10, and the other end of stationary pipes 10 is fixed on another tube sheet 2.
Described stationary pipes 10 and corresponding outer tube 9 are provided with the pin-and-hole 11 of the plug-in mounting alignment pin that uses when installing, and alignment pin takes out from described pin-and-hole after end is installed.
At least be provided with two tube connectors 13 on described each tube sheet 2.
U-shaped, the V-shaped groove structure of described stator 5 for connecting.
Be connected with the import 6 and the outlet 7 that are heated or cooled fluid on the described cylindrical shell 1, import and outlet can be a plurality of.
Described tube sheet 2 also can arrange a plurality of floating tube sheets except a fixed tube sheet being set at the center and outer tube 9, stationary pipes 10 are connected, the two ends of every heat pipe 4 respectively with corresponding floating tube sheet on pore 12 be connected.
Described heat pipe is bellows, is equipped with the wave structure of projection inside and outside the bellows.
The beneficial effects of the utility model:
1, the utility model adopts bellows for twining tube bank, the corrugated surface of outer lug makes and produces whirlpool in the boundary layer in the bellows, fluid in the boundary layer is mixed with fluid outside the boundary layer, the inside and outside heat transfer coefficient of pipe is increased considerably, the heat exchange efficiency of heat exchanger is greatly improved.
2, the utility model prevents the heat-exchanging tube bundle play by being welded on the special bearing fixing heat-exchanging tube bundle from inside to outside on the mandrel, has increased heat exchanger service life and security performance.
3, heat exchanger tube slab integral tube bank punching of the present utility model can realize the design of multitube plate.
4, the utility model can by preventing the pollution of the environment at heat-exchanging tube bundle outer surface increase protective cover and corroding, improve service life.
5, heat-exchanging tube bundle of the present utility model successively twines on the internal mandrel of described heat exchanger, but the mandrel axial stretching.
6, outside cylindrical shell and internal mandrel are provided with alignment pin man-hour adding, prevent add man-hour cylindrical shell and mandrel the dislocation discrepancy appears.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structural representation of stator of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As Figure 1-3.
A kind of tube bank coiled heat exchanger, comprise cylindrical shell 1, the two ends of described cylindrical shell 1 respectively are provided with a tube sheet 2, mandrel 3 is installed between two tube sheets 2, on the mandrel 3 by being wound with multilayer heat pipe 4, heat pipe 4 can adopt bellows, be equipped with the wave structure of projection inside and outside the bellows, the corrugated surface of outer lug makes and produces whirlpool in the boundary layer in the bellows, fluid in the boundary layer is mixed with fluid outside the boundary layer, the inside and outside heat transfer coefficient of pipe is increased considerably, and the heat exchange efficiency of heat exchanger is greatly improved.The hand of spiral of the heat pipe 4 of adjacent layer is opposite, between the heat pipe 4 of adjacent layer, stator 5 is installed, but stator 5 designed, designeds during implementation also can adopt continuous V-arrangement penholder structure shown in Figure 3, stator 5 is along circumferential interval layout, and continuous or interval is arranged vertically; The two ends of every heat pipe 4 respectively with corresponding tube sheet 2 on pore 12 be connected, each pore 12 is connected with refrigerant or heating agent source by tube connector 13, can be provided with two or two tube connectors 13 on each tube sheet 2, heat pipe is carried out respectively being connected with refrigerant or heating agent behind the boundling, as shown in Figure 2, concentrated six roots of sensation heat pipe in every tube connector among Fig. 2; At least be connected with import 6 and an outlet 7 that is heated or cooled fluid on the described cylindrical shell 1, described import and outlet are interchangeable.In order to realize moving axially of mandrel, prevent the damage that thermal expansion causes, mandrel 3 can adopt following syndeton with tube sheet during implementation, the two ends that are mandrel 3 respectively are connected with a connecting plate 8, described connecting plate 8 respectively is connected with an outer tube 9, wherein the outer tube 9 of an end is fixedly linked with corresponding tube sheet 2, outer tube 9 movable sets of the other end are on an end of stationary pipes 10, the other end of stationary pipes 10 is fixed on another tube sheet 2, for easy for installation, can be provided with at the outer tube 9 of stationary pipes 10 and correspondence the pin-and-hole 11 of the plug-in mounting alignment pin that uses when installing, alignment pin takes out from described pin-and-hole after end is installed, and outer tube 9 can move axially in stationary pipes 10 like this.As shown in Figure 1.
The utility model does not relate to partly all, and the prior art that maybe can adopt same as the prior art is realized.
Claims (8)
1. restrain coiled heat exchanger for one kind, comprise cylindrical shell (1), the two ends that it is characterized in that described cylindrical shell (1) respectively are provided with a tube sheet (2), mandrel (3) is installed between two tube sheets (2), mandrel (3) is upper by being wound with multilayer heat pipe (4), and the hand of spiral of the heat pipe of adjacent layer (4) is opposite, between the heat pipe (4) of adjacent layer stator (5) is installed, stator (5) is along circumferential interval layout, and continuous or interval is arranged vertically; The two ends of every heat pipe (4) respectively with corresponding tube sheet (2) on pore (12) be connected, each pore (12) is connected with refrigerant or heating agent source by tube connector (13); Be connected with the import (6) and the outlet (7) that are heated or cooled fluid on the described cylindrical shell (1), described import and outlet are interchangeable.
2. tube bank coiled heat exchanger according to claim 1, the two ends that it is characterized in that described mandrel (3) respectively are connected with a connecting plate (8), described connecting plate (8) respectively is connected with an outer tube (9), wherein the outer tube of an end (9) is fixedly linked with corresponding tube sheet (2), the outer tube of the other end (9) movable set is on an end of stationary pipes (10), and the other end of stationary pipes (10) is fixed on another tube sheet (2).
3. tube bank coiled heat exchanger according to claim 2, it is characterized in that described stationary pipes (10) and corresponding outer tube (9) are provided with the pin-and-hole (11) of the plug-in mounting alignment pin that uses when installing, alignment pin takes out from described pin-and-hole after end is installed.
4. tube bank coiled heat exchanger according to claim 1 is characterized in that being provided with at least on described each tube sheet (2) one or more tube connectors (13).
5. tube bank coiled heat exchanger according to claim 1 is characterized in that U-shaped, the V-shaped groove structure of described stator (5) for connecting.
6. tube bank coiled heat exchanger according to claim 1 is characterized in that being connected with at least on the described cylindrical shell (1) import (6) and the outlet (7) that are heated or cooled fluid.
7. tube bank coiled heat exchanger according to claim 1, it is characterized in that described tube sheet (2) except a fixed tube sheet being set at the center and outer tube (9), stationary pipes (10) are connected, also be provided with a plurality of floating tube sheets, the two ends of every heat pipe (4) respectively with corresponding floating tube sheet on pore (12) be connected.
8. tube bank coiled heat exchanger according to claim 1 is characterized in that described heat pipe is bellows, is equipped with the wave structure of projection inside and outside the bellows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220495692.8U CN202770269U (en) | 2012-09-26 | 2012-09-26 | Tube bundle winding type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220495692.8U CN202770269U (en) | 2012-09-26 | 2012-09-26 | Tube bundle winding type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202770269U true CN202770269U (en) | 2013-03-06 |
Family
ID=47776835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220495692.8U Expired - Fee Related CN202770269U (en) | 2012-09-26 | 2012-09-26 | Tube bundle winding type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202770269U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213084A (en) * | 2013-05-04 | 2013-07-24 | 四川川润动力设备有限公司 | Winding tube bundle positioning device |
| CN109443061A (en) * | 2018-10-08 | 2019-03-08 | 西安交通大学 | A kind of upper tightly lower sparse double helix finned heat exchanger |
| CN110957055A (en) * | 2019-10-09 | 2020-04-03 | 中国核电工程有限公司 | Separated flexible heat pipe cooling system suitable for pressurized water reactor nuclear power station |
-
2012
- 2012-09-26 CN CN201220495692.8U patent/CN202770269U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213084A (en) * | 2013-05-04 | 2013-07-24 | 四川川润动力设备有限公司 | Winding tube bundle positioning device |
| CN103213084B (en) * | 2013-05-04 | 2015-01-07 | 四川川润动力设备有限公司 | Installation and operation method of winding tube bundle positioning device |
| CN109443061A (en) * | 2018-10-08 | 2019-03-08 | 西安交通大学 | A kind of upper tightly lower sparse double helix finned heat exchanger |
| CN109443061B (en) * | 2018-10-08 | 2020-06-26 | 西安交通大学 | Double-spiral fin heat exchanger with dense upper part and sparse lower part |
| CN110957055A (en) * | 2019-10-09 | 2020-04-03 | 中国核电工程有限公司 | Separated flexible heat pipe cooling system suitable for pressurized water reactor nuclear power station |
| CN110957055B (en) * | 2019-10-09 | 2022-11-25 | 中国核电工程有限公司 | Separated flexible heat pipe cooling system suitable for pressurized water reactor nuclear power station |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20210926 |