CN203928809U - Unequal-interval Gilled heat exchanger - Google Patents
Unequal-interval Gilled heat exchanger Download PDFInfo
- Publication number
- CN203928809U CN203928809U CN201420295178.9U CN201420295178U CN203928809U CN 203928809 U CN203928809 U CN 203928809U CN 201420295178 U CN201420295178 U CN 201420295178U CN 203928809 U CN203928809 U CN 203928809U
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- CN
- China
- Prior art keywords
- heat exchanger
- end cap
- spacing
- tube sheet
- housing
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- Withdrawn - After Issue
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Abstract
The utility model relates to a kind of unequal-interval Gilled heat exchanger, comprise outer shell-and-core group, described enclosure spatial separation is weather side and downwind side, described core group is arranged in enclosure, core group is mainly by some fins with run through the heat exchanger tube being arranged in described fin and form, it is characterized in that: the spacing of a part of fin in described shell weather side is made as weather side spacing, the spacing of another part fin in described shell downwind side is made as downwind side spacing, and described weather side spacing is less than downwind side spacing.The utility model structural design advantages of simple, improves by the core group structure in heat exchanger, has improved heat exchange efficiency.
Description
Technical field
The utility model relates to a kind of heat exchanger, is a kind ofly specifically applied to cooling between centrifugal compressor stage and rear cooling unequal-interval Gilled heat exchanger, belongs to technical field of heat exchange.
Background technology
In compressor industry, it is cooling and rear cooling that Gilled heat exchanger is usually used in compressed-air actuated inter-stage.The core heat exchanger components of currently used heat exchanger is core group, and the core group in existing heat exchanger is mainly by the fin of some equidistant layouts and runs through the heat exchanger tube being arranged in described fin and form.During use, the compressed air of high temperature flows to downwind side by weather side in heat exchanger, the gap that compressed air forms from heat exchanger tube outside and fin, flows through, and cooling medium flows through in heat exchanger tube, two kinds of fluids form cross-current, and heat is passed in heat exchanger tube outward by heat exchanger tube by metal wall.
For the heat exchanger of compressors, its heat transfer equation formula is:
P＝K*F*ΔT
em
In formula:
P---heat exchange power, W;
K---overall heat-transfer coefficient, W/ (㎡ K);
F---heat exchange area ， ㎡;
Δ T
em---effective mean temperature difference, K.
The downwind side of flowing through at compressed air, because it is cooled, the cooling medium temperature difference in compressed air and heat exchanger tube diminishes, heat exchange power herein will be far below weather side.When summer, in part, even likely there will be cooling medium in heat exchanger tube to heat on the contrary the situation of external pressure of heat exchange tube contracting air.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of unequal-interval Gilled heat exchanger is provided, and its structural design advantages of simple is improved by the core group structure in heat exchanger, has improved heat exchange efficiency.
The technical scheme providing according to the utility model: unequal-interval Gilled heat exchanger, comprise outer shell-and-core group, described enclosure spatial separation is weather side and downwind side, described core group is arranged in enclosure, core group is mainly by some fins with run through the heat exchanger tube being arranged in described fin and form, it is characterized in that: the spacing of a part of fin in described shell weather side is made as weather side spacing, the spacing of another part fin in described shell downwind side is made as downwind side spacing, and described weather side spacing is less than downwind side spacing.
As further improvement of the utility model, described weather side spacing is 1: 1.5～1: 3 with the ratio of downwind side spacing.
As further improvement of the utility model, described weather side spacing is 1: 3 with the ratio of downwind side spacing.
As further improvement of the utility model, described shell comprises that Inlet and outlet water end cap, recirculation water end cap, the first tube sheet, the second tube sheet, housing and deflection plate form, described Inlet and outlet water end cap and the first tube sheet are fixedly mounted on housing first end, described recirculation water end cap and the second tube sheet are arranged on second end of the housing, the inner chamber of described Inlet and outlet water end cap is divided into intake antrum and water chamber by confining tendon, intake antrum is provided with water inlet pipe, and water chamber is provided with outlet pipe; In described core group, the two ends of heat exchanger tube are connected on the first tube sheet, the second tube sheet, wherein the first end of a part of heat exchanger tube is communicated with the intake antrum of Inlet and outlet water end cap, the first end of another part heat exchanger tube is communicated with the water chamber of Inlet and outlet water end cap, the second end of all heat exchanger tubes is communicated with the inner chamber of recirculation water end cap, a part of heat exchanger tube between described intake antrum and recirculation water end cap inner chamber forms the first water journey, and another part heat exchanger tube between described water chamber and recirculation water end cap inner chamber forms the second water journey; Position near first end on described housing outer wall is provided with air inlet, air inlet connects air inlet pipe, position near the second end is provided with gas outlet, gas outlet escape pipe, described deflection plate is arranged on the middle position in housing, a part of periphery of deflection plate and inner walls sealing combination, another part periphery of deflection plate and inner walls leave circulation gap, in described core group, in the through hole of heat exchanger tube from deflection plate, pass; Space between described deflection plate and the first tube sheet is weather side, weather side is communicated with formation the first gas journey with air inlet pipe, space between deflection plate and the second tube sheet is downwind side, and downwind side is communicated with formation the first gas journey with escape pipe, and the first gas journey is communicated with by circulation gap with the second gas journey.
As further improvement of the utility model, described deflection plate is positioned at the middle position of housing.
As further improvement of the utility model, described the first tube sheet, the second tube sheet adopt brass or carbon steel material to make.
The utility model compared with the prior art, have the following advantages: in the utility model, fin in core group is distributed in the larger position [weather side] of the temperature difference in heat exchanger and has adopted less spacing, in the less position of the temperature difference [downwind side], adopted larger spacing, thereby can be at the fin that uses equal number, and do not increase under the situation of difficulty of processing, realize better heat exchange property, and can weaken cooling water situation of heating tube external compression air on the contrary in the local pipe occurring of heat exchanger in summer.
Accompanying drawing explanation
Fig. 1 is the structure of the utility model embodiment and uses state diagram.
Fig. 2 is the structure for amplifying schematic diagram figure of A portion in Fig. 1.
Description of reference numerals: 1-Inlet and outlet water end cap, 2-intake antrum, 3-water inlet pipe, 4-confining tendon, 5-water chamber, 6-outlet pipe, 7-the first tube sheet, 8-housing, 9-air inlet pipe, 10-weather side, 11-deflection plate, 12-core group, 13-downwind side, 14-escape pipe, 15-the second tube sheet, 16-recirculation water end cap, 17-fin, 18-heat exchanger tube.
The specific embodiment
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in the figure: the unequal-interval Gilled heat exchanger in embodiment is mainly comprised of outer shell-and-core group 12 two large divisions.
As shown in Figure 1, described shell is mainly comprised of Inlet and outlet water end cap 1, recirculation water end cap 16, the first tube sheet 7, the second tube sheet 15, housing 8 and deflection plate 11, described Inlet and outlet water end cap 1 and the first tube sheet 7 are fixedly mounted on housing 8 first ends by bolt fastener, described recirculation water end cap 16 and the second tube sheet 15 are arranged on housing 8 second ends by bolt fastener, the inner chamber of described Inlet and outlet water end cap 1 is divided into intake antrum 2 and water chamber 5 by confining tendon 4, intake antrum 2 is provided with water inlet pipe 3, and water chamber 5 is provided with outlet pipe 6; In described core group 12, the two ends of heat exchanger tube 18 are connected on the first tube sheet 7, the second tube sheet 15, wherein the first end of a part of heat exchanger tube 18 is communicated with the intake antrum 2 of Inlet and outlet water end cap 1, the first end of another part heat exchanger tube 18 is communicated with the water chamber 5 of Inlet and outlet water end cap 1, the second end of all heat exchanger tubes 18 is communicated with the inner chamber of recirculation water end cap 16, a part of heat exchanger tube 18 between described intake antrum 2 and recirculation water end cap 16 inner chambers forms the first water journey, and another part heat exchanger tube 18 between described water chamber 5 and recirculation water end cap 16 inner chambers forms the second water journey; Position near first end on described housing 8 outer walls is provided with air inlet, air inlet connects air inlet pipe 9, position near the second end is provided with gas outlet, gas outlet escape pipe 14, described deflection plate 11 is arranged on the middle position in housing 8, a part of periphery of deflection plate 11 is combined with housing 8 inner wall sealings, another part periphery of deflection plate 11 and housing 8 inwalls leave circulation gap, in described core group 12, in the through hole of heat exchanger tube 18 from deflection plate 11, pass; Space between described deflection plate 11 and the first tube sheet 7 is weather side 10, weather side 10 is communicated with formation the first gas journey with air inlet pipe 9, space between deflection plate 11 and the second tube sheet 15 is downwind side 13, downwind side 13 is communicated with formation the first gas journey with escape pipe 14, the first gas journey is communicated with by circulation gap with the second gas journey.
As shown in Figure 1 and Figure 2, described core group 12 is arranged in enclosure, and core group 12 is mainly by some fins 17 with run through the heat exchanger tube 18 being arranged in described fin 17 and form, and the spacing of a part of fin 17 in described shell weather side 10 is made as weather side spacing t
1, the spacing of another part fin 17 in described shell downwind side 13 is made as downwind side spacing t
2, described weather side spacing t
1be less than downwind side spacing t
2.In the utility model embodiment, described weather side spacing t
1with downwind side spacing t
2ratio be 1:3.
When heat exchanger is worked, the compressed air of high temperature flows into the air inlet of housings 8 from air inlet pipe 9, the first gas journey rear steering of flowing through, the second gas journey of flowing through, then flow out through escape pipe 14 from the gas outlet of housing 8.The water inlet pipe of cooling water from Inlet and outlet water end cap 13 flows into intake antrums 2, and the first water journey of flowing through is by recirculation water end cap 16 diverted flow through the second water journey, then the outlet pipe from Inlet and outlet water end cap 16 flows out.In said process, the compressed air of high temperature and the cooling water of low temperature form cross-current, and heat passes in heat exchanger tube 18 by heat exchanger tube 18 is outer.
Claims (6)
1. unequal-interval Gilled heat exchanger, comprise outer shell-and-core group (12), described enclosure spatial separation is weather side (10) and downwind side (13), described core group (12) is arranged in enclosure, core group (12), mainly by some fins (17) with run through the heat exchanger tube (18) being arranged in described fin (17) and form, is characterized in that: the spacing of a part of fin (17) in described shell weather side (10) is made as weather side spacing (t
1), the spacing of another part fin (17) in described shell downwind side (13) is made as downwind side spacing (t
2), described weather side spacing (t
1) be less than downwind side spacing (t
2).
2. unequal-interval Gilled heat exchanger as claimed in claim 1, is characterized in that: described weather side spacing (t
1) and downwind side spacing (t
2) ratio be 1:1.5 ~ 1:3.
3. unequal-interval Gilled heat exchanger as claimed in claim 1, is characterized in that: described weather side spacing (t
1) and downwind side spacing (t
2) ratio be 1:3.
4. unequal-interval Gilled heat exchanger as claimed in claim 1, it is characterized in that: described shell comprises Inlet and outlet water end cap (1), recirculation water end cap (16), the first tube sheet (7), the second tube sheet (15), housing (8) and deflection plate (11) form, described Inlet and outlet water end cap (1) and the first tube sheet (7) are fixedly mounted on housing (8) first end, described recirculation water end cap (16) and the second tube sheet (15) are arranged on housing (8) second ends, the inner chamber of described Inlet and outlet water end cap (1) is divided into intake antrum (2) and water chamber (5) by confining tendon (4), intake antrum (2) is provided with water inlet pipe (3), water chamber (5) is provided with outlet pipe (6), in described core group (12), the two ends of heat exchanger tube (18) are connected to the first tube sheet (7), on the second tube sheet (15), wherein the first end of a part of heat exchanger tube (18) is communicated with the intake antrum (2) of Inlet and outlet water end cap (1), the first end of another part heat exchanger tube (18) is communicated with the water chamber (5) of Inlet and outlet water end cap (1), the second end of all heat exchanger tubes (18) is communicated with the inner chamber of recirculation water end cap (16), a part of heat exchanger tube (18) between described intake antrum (2) and recirculation water end cap (16) inner chamber forms the first water journey, another part heat exchanger tube (18) between described water chamber (5) and recirculation water end cap (16) inner chamber forms the second water journey, position near first end on described housing (8) outer wall is provided with air inlet, air inlet connects air inlet pipe (9), position near the second end is provided with gas outlet, gas outlet escape pipe (14), described deflection plate (11) is arranged on the middle position in housing (8), a part of periphery of deflection plate (11) is combined with housing (8) inner wall sealing, another part periphery of deflection plate (11) and housing (8) inwall leave circulation gap, in described core group (12), in the through hole of heat exchanger tube (18) from deflection plate (11), pass, space between described deflection plate (11) and the first tube sheet (7) is weather side (10), weather side (10) is communicated with formation the first gas journey with air inlet pipe (9), space between deflection plate (11) and the second tube sheet (15) is downwind side (13), downwind side (13) is communicated with formation the first gas journey with escape pipe (14), the first gas journey is communicated with by circulation gap with the second gas journey.
5. unequal-interval Gilled heat exchanger as claimed in claim 4, is characterized in that: described deflection plate (11) is positioned at the middle position of housing (8).
6. unequal-interval Gilled heat exchanger as claimed in claim 4, is characterized in that: described the first tube sheet (7), the second tube sheet (15) adopt brass or carbon steel material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295178.9U CN203928809U (en) | 2014-06-04 | 2014-06-04 | Unequal-interval Gilled heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295178.9U CN203928809U (en) | 2014-06-04 | 2014-06-04 | Unequal-interval Gilled heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203928809U true CN203928809U (en) | 2014-11-05 |
Family
ID=51824611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420295178.9U Withdrawn - After Issue CN203928809U (en) | 2014-06-04 | 2014-06-04 | Unequal-interval Gilled heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203928809U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994674A (en) * | 2014-06-04 | 2014-08-20 | 无锡杰尔压缩机有限公司 | Unequal-interval pipe and fin type heat exchanger |
| CN104864757A (en) * | 2015-06-04 | 2015-08-26 | 华北电力大学 | Cylindrical structure gradual-change fin phase change heat accumulator |
| CN108096010A (en) * | 2016-09-21 | 2018-06-01 | 胡全君 | A kind of drug therapy evaporator for restraining distance change |
-
2014
- 2014-06-04 CN CN201420295178.9U patent/CN203928809U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994674A (en) * | 2014-06-04 | 2014-08-20 | 无锡杰尔压缩机有限公司 | Unequal-interval pipe and fin type heat exchanger |
| CN104864757A (en) * | 2015-06-04 | 2015-08-26 | 华北电力大学 | Cylindrical structure gradual-change fin phase change heat accumulator |
| CN108096010A (en) * | 2016-09-21 | 2018-06-01 | 胡全君 | A kind of drug therapy evaporator for restraining distance change |
| CN108096010B (en) * | 2016-09-21 | 2019-07-12 | 青岛鑫众合贸易有限公司 | A kind of drug therapy evaporator for restraining distance change |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20151202 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |