CN205279536U - Shell and tube condenser of subcooler is put to outband - Google Patents
Shell and tube condenser of subcooler is put to outband Download PDFInfo
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- CN205279536U CN205279536U CN201521134920.9U CN201521134920U CN205279536U CN 205279536 U CN205279536 U CN 205279536U CN 201521134920 U CN201521134920 U CN 201521134920U CN 205279536 U CN205279536 U CN 205279536U
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- supercooler
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Abstract
The utility model discloses a shell and tube condenser of subcooler is put to outband for low pressure refrigerant environment, it includes condenser and the subcooler of setting in the condenser below, and the condenser includes the condenser shell, and the subcooler includes the subcooler casing, and the subcooler casing sets up in the outside of condenser shell, and the circumference setting of subcooler casing along the condenser shell. According to the utility model discloses a shell and tube condenser of subcooler is put to outband makes and can fill the fluence with refrigerant still less and reach the same super -cooled rate. And when condenser pipe quantity is the same, can adopt the condenser shell that the diameter is littleer, and when the condenser shell diameter is the same, can arrange more condenser pipes. In addition, the subcooler is because can be in the outside preparation alone and the welding of condenser shell, has reduced shell and tube condenser of subcooler is put to outband's the manufacturing degree of difficulty.
Description
Technical field
The utility model relates to refrigerating field, is specifically related to a kind of shell and-tube condenser with external supercooler.
Background technology
Shell and tube heat exchanger is widely used in refrigerating and air conditioning industry, particularly on large-scale vapour compression unit. The shell and-tube condenser being applied on large-size water-cooling unit at present, structure shown in general employing Fig. 1. Shell and-tube condenser comprises condenser 10, and condenser 10 has condenser shell 15, is provided with condensation tube bank 16 in the inside of condenser 10. The top of condenser shell 15 is provided with refrigerant inlet pipe 11, and bottom is provided with refrigerant outlet pipe 12, and the inside of condenser shell 15 can also arrange striking plate 13. In addition, being the heat exchange efficiency improving shell and-tube condenser, bottom position in condenser 10 inside is also provided with supercooler 20 usually. Refrigerant gas enters in condenser 10 by refrigerant inlet pipe 11, after striking plate 13, heat exchange is carried out and condensation on the surface of the prolong of condensation tube bank 16 from top to bottom by layer, condensed refrigeration agent drop drops onto bottom condenser from the surface of the prolong that condensation restrains 16, and enter supercooler 20 and carried out cold, then discharge by refrigerant outlet pipe 12.
Generally, it is the heat exchange efficiency ensureing supercooler 20, it is necessary to have enough refrigerant liquids in condenser 10 so that refrigerant level 14 is higher than the tip position of supercooler 20. This kind is designed with following shortcoming: for ensureing condensate depression, the refrigerant level 14 in condenser 10 must remain on certain height, thus the filled quantitative change causing whole unit is big; Owing to supercooler 20 is arranged on the inside of condenser shell 15, the volume of condenser shell 15 is thus caused to increase, and, such structure causes manufacture difficulty to increase.
In addition, low pressure refrigerant (such as R1233zd (E)), because of its environmental protection, the advantage such as efficient, receives the concern that refrigerating and air conditioning industry is more and more now gradually. Owing to the operating pressure of low pressure refrigerant is lower, use the shell and-tube condenser of low pressure refrigerant, supercooler can be arranged on the outside of shell and-tube condenser housing, the volume of condenser shell can be made so greatly to reduce, manufacture difficulty reduces greatly, in addition, owing to pressure-bearing pressure is little compared with non-low pressure refrigerant, supercooler has an opportunity to adopt non-round casing.
Practical novel content
Introducing the concept of a series of reduced form in practicality novel content part, this will further describe in embodiment part. The key feature that practicality of the present utility model novel content part not meaning that to be attempted to limit claimed technical scheme and essential features, more do not mean that the protection domain attempting to determine claimed technical scheme.
In order to solve the problem, the utility model discloses a kind of shell and-tube condenser with external supercooler, for low pressure refrigerant environment, it is characterized in that, comprising condenser and be arranged on the supercooler below described condenser, described condenser comprises condenser shell, and described supercooler comprises supercooler housing, described supercooler housing is arranged on the outside of described condenser shell, and described supercooler housing is along the circumference setting of described condenser shell.
Can selection of land, the cross-sectional configuration of described supercooler housing for fan annular, the upper surface of described supercooler housing is affixed to the bottom of described condenser shell.
Can selection of land, the inside of described supercooler housing is provided with at least one supercooler pass partition, and the supercooling tube bundle being positioned at the inside of described supercooler housing is separated into two or more flow process by described supercooler pass partition.
Can selection of land, the cross-sectional configuration of described supercooler pass partition is arc.
Can selection of land, described supercooler has the first flow process refrigerant inlet, and described first flow process refrigerant inlet is connected with the outlet of described condenser, and the inwall of described supercooler pass partition and described supercooler housing forms second journey refrigerant inlet.
Can selection of land, also comprise striking plate, described striking plate is arranged on the inside of described condenser shell and the position corresponding with the refrigerant inlet pipe of described condenser shell.
Can selection of land, described condenser shell and described supercooler housing are integrally welded.
Can selection of land, described shell and-tube condenser also comprises the tube sheet being arranged on described condenser shell and described supercooler housing two ends, front water tank and rear water box, and two ends and the described tube sheet of described supercooler housing are tightly connected.
Can selection of land, be provided with the water side pass partition that water side is divided into the first flow process and second journey in described front water tank.
The supercooler housing of the shell and-tube condenser according to the external supercooler of band of the present utility model is arranged on the outside of condenser shell, and supercooler housing is along the circumference setting of condenser shell. So that identical condensate depression can be reached by less refrigerant charging fluence. And when prolong quantity is identical, it is possible to the condenser shell adopting diameter less, and when condenser shell diameter is identical, it is possible to arrange more prolongs. In addition, supercooler, owing to can make separately in outside and welding, reduces the manufacture difficulty of the shell and-tube condenser being with external supercooler.
Accompanying drawing explanation
The utility model implement mode following accompanying drawing in this as a part of the present utility model for understanding the utility model. Shown in the drawings of enforcement mode of the present utility model and description thereof, it is used for explaining principle of the present utility model. In the accompanying drawings,
Fig. 1 is the schematic cross-section of a kind of shell and-tube condenser of the prior art;
Fig. 2 is the schematic cross-section of the shell and-tube condenser according to a kind of external supercooler of band implementing in mode of the present utility model;
Fig. 3 is the stereographic map of the shell and-tube condenser of the external supercooler of band shown in Fig. 2, wherein eliminates condensation tube bank and supercooling tube bundle;
Fig. 4 is the longitudinal cross-section schematic diagram of the shell and-tube condenser of the external supercooler of band shown in Fig. 2;
Fig. 5 is the longitudinal cross-section schematic diagram after shell and-tube condenser and the front and back tube sheet of the external supercooler of band shown in Fig. 2 and front water tank and rear water box are connected; And
Fig. 6 is the schematic cross-section of the shell and-tube condenser of the external supercooler of band implementing mode according to another kind of the present utility model.
In the accompanying drawings:
10, condenser 11, refrigerant inlet pipe
12, refrigerant outlet pipe 13, striking plate
14, refrigerant level 15, condenser shell
16, condensation tube bank 20, supercooler
21, supercooler housing
22, the first flow process refrigerant inlet 23, supercooler pass partition
24, second journey refrigerant inlet 26, supercooling tube bundle
30, tube sheet 31, front water tank
32, rear water box 33, rising pipe
34, water inlet pipe 35, water side pass partition
120, supercooler 121, supercooler housing
123, supercooler pass partition 126, supercooling tube bundle
Embodiment
In the following description, details concrete in a large number is given to provide and to be understood more thoroughly by the utility model. But, it will be evident to one skilled in the art that, the utility model is implemented mode and can be implemented without the need to these details one or more. In other example, obscure to avoid implementing mode with the utility model, technology features more well known in the art are not described.
Implement mode to thoroughly understand the utility model, detailed structure will be proposed in following description. Obviously, the execution of the utility model enforcement mode is not limited to the specific details that the technician of this area has the knack of. Better embodiment of the present utility model is described in detail as follows, but except these describe in detail, the utility model can also have other enforcement modes.
Referring to figs. 2 and 3, the utility model discloses a kind of shell and-tube condenser with external supercooler, for low pressure refrigerant environment. The shell and-tube condenser of the external supercooler of this band comprises condenser 10 and is arranged on the supercooler 20 below condenser 10, and condenser 10 comprises condenser shell 15, and supercooler 20 comprises supercooler housing 21. Supercooler housing 21 is arranged on the outside of condenser shell 15, and supercooler housing 21 is along the circumference setting of condenser shell 15.
Specifically, as shown in Figures 2 and 3, the shell and-tube condenser of the external supercooler of band of the present utility model by a condenser 10 and is arranged at the supercooler 20 below condenser 10 and forms. The inner containment of condenser shell 15 has condensation tube bank 16, it is necessary to explanation, and condensation tube bank 16 can comprise many prolongs. The bottom of condenser shell 15 is provided with refrigerant outlet, and as will be described in further detail below, this refrigerant outlet is connected with supercooler 20.
In addition, can selection of land, the inside of condenser shell 15 also can have striking plate, and it is arranged on the inside of condenser shell 15 and the position corresponding with the refrigerant inlet pipe 11 of condenser shell 15.
The bottom of supercooler housing 21 is connected with refrigerant outlet pipe 12. The inner containment of supercooler 20 has supercooling tube bundle 26, and equally, supercooling tube bundle 26 can comprise many supercooling tubes. In addition, can selection of land, at least one supercooler pass partition 23 can be provided with in the inside of supercooler 20, it is for being separated into two or more flow process by the supercooling tube bundle 26 being positioned at supercooler 20 inside, thus can improve the heat exchange efficiency of supercooler.
Further, supercooler 20 has the first flow process refrigerant inlet 22, first flow process refrigerant inlet 22 and is connected with the refrigerant outlet of the bottom of condenser 10.
With reference to figure 4, supercooler pass partition 23 forms second journey refrigerant inlet 24 with the inwall of supercooler housing 21.
It should be noted that, and below, carry out principle of work explanation for two flow process condensers 10 and two flow process supercoolers 20, but the utility model is not limited to two flow process condenser 10 and two flow process supercoolers 20 herein.
During work, as shown in Figure 4, refrigerant gas enters condenser 10 by refrigerant inlet pipe 11, after striking plate 13, heat exchange is carried out and condensation on the surface of the prolong of condensation tube bank 16 (not figure 4 illustrates) of condenser 10 from top to bottom by layer, condensed refrigeration agent drop is dropped onto the bottom of condenser 10 by the surface of prolong, and enter in supercooler 20 by the supercooler first flow process refrigerant inlet 22 being connected with the refrigerant outlet of condenser 10, heat exchange is carried out with the supercooling tube in supercooler 20 first flow process, decrease in temperature, then the second journey entering supercooler 20 through cooler second journey refrigerant inlet 24 is (namely, the lower section of supercooler pass partition 23), and proceed heat exchange with the supercooling tube in second journey. temperature can be reduced to design load further, finally can discharge via refrigerant outlet pipe 12.
Thus, the supercooler housing 21 of the shell and-tube condenser according to the external supercooler of band of the present utility model is arranged on the outside of condenser shell 15, and supercooler housing 21 is along the circumference setting of condenser shell 15, so that identical condensate depression can be reached by less refrigerant charging fluence. And when prolong quantity is identical, it is possible to the condenser shell 15 adopting diameter less, and when condenser shell 15 is identical, it is possible to arrange more prolong. In addition, supercooler 20, owing to can make separately in outside and welding, reduces the manufacture difficulty of the shell and-tube condenser being with external supercooler.
Can selection of land, as shown in Figure 5, shell and-tube condenser also comprises the tube sheet 30, front water tank 31 and the rear water box 32 that are arranged on condenser shell 15 and supercooler housing 21 two ends, and two ends and the tube sheet 30 of supercooler housing 21 are tightly connected.
Further, the water side pass partition 35 that water side is divided into the first flow process and second journey it is provided with in front water tank 31, wherein part under the water side pass partition 35 of the first flow process in front water tank 31 carries out, and the part on the water side pass partition 35 of second journey in front water tank 31 carries out.
As shown in Figure 5, after water coolant enters front water tank 31 by water inlet pipe 34, a part enters in supercooler 20 water side of the present utility model flow schematic diagram, and another part enters in the first flow process prolong of condenser 10. It should be noted that, the first flow process prolong is arranged on condenser 10 bottom. Water coolant in heat transfer tube (prolong and supercooling tube) forced-flow and refrigeration agent with shell side (case side) carries out heat exchange, above-mentioned two portions water coolant is after rear water box 32 place mixes, enter in second journey prolong, forced-flow in second journey prolong and refrigeration agent with shell side carries out heat exchange, and flow out by rising pipe 33. It should be noted that, second journey prolong is arranged on the top of condenser 10.
Can selection of land, condenser shell 15 is connected through the first flow process refrigerant inlet 22 of cooler 20 with supercooler housing 21. Further, the first flow process refrigerant inlet 22 of supercooler 20 is arranged on the middle position at the top of supercooler 20.
Can selection of land, condenser shell 15 can be integrally welded with supercooler housing 21. Like this, condenser 10 and supercooler 20 can be two independent components, and it can make respectively, and linked together by conventional modes such as such as welding, thus reduce manufacture difficulty.
With reference to figure 6, it illustrates the shell and-tube condenser according to another external supercooler of band implementing mode of the present utility model. In the present embodiment, shell and-tube condenser has supercooler 120, and supercooler 120 has supercooler housing 121. Can selection of land, the cross-sectional configuration of supercooler housing 121 has the roughly the same radian of the radian of the cross section profile with condenser shell 15 for fan annular, fan annular, that is, the upper surface of supercooler housing 121 can be affixed to the bottom of condenser shell 15.
Further can selection of land, supercooler housing 121 can be provided with supercooler pass partition 123, the cross section of this supercooler pass partition 123 also can be configured to arc. Equally, and the supercooling tube bundle 126 in supercooler housing 121 is also arcuately arranged. Such structure makes the welding capacity between supercooler housing 121 and condenser shell 15 reduce, and makes relatively simple, and required refrigerant charging fluence is less.
The utility model is illustrated by above-mentioned enforcement mode, it should be understood that, above-mentioned enforcement mode is just for the object illustrated and illustrate, and is not intended to limit the utility model within the scope of described enforcement mode. In addition it will be understood by those skilled in the art that; the utility model is not limited to above-mentioned enforcement mode; more kinds of variants and modifications can also be made, within these variants and modifications all drop on the claimed scope of the utility model according to instruction of the present utility model.
Claims (9)
1. the shell and-tube condenser of the external supercooler of band, for low pressure refrigerant environment, it is characterized in that, comprise condenser and it is arranged on the supercooler below described condenser, described condenser comprises condenser shell, described supercooler comprises supercooler housing, and described supercooler housing is arranged on the outside of described condenser shell, and described supercooler housing is along the circumference setting of described condenser shell.
2. the shell and-tube condenser of the external supercooler of band according to claim 1, it is characterised in that, the cross-sectional configuration of described supercooler housing is fan annular, and the upper surface of described supercooler housing is affixed to the bottom of described condenser shell.
3. the shell and-tube condenser of the external supercooler of band according to claim 1, it is characterized in that, the inside of described supercooler housing is provided with at least one supercooler pass partition, and the supercooling tube bundle being positioned at the inside of described supercooler housing is separated into two or more flow process by described supercooler pass partition.
4. the shell and-tube condenser of the external supercooler of band according to claim 3, it is characterised in that, the cross-sectional configuration of described supercooler pass partition is arc.
5. the shell and-tube condenser of the external supercooler of band according to claim 3, it is characterized in that, described supercooler has the first flow process refrigerant inlet, described first flow process refrigerant inlet is connected with the outlet of described condenser, and the inwall of described supercooler pass partition and described supercooler housing forms second journey refrigerant inlet.
6. the shell and-tube condenser of the external supercooler of band according to claim 1, it is characterised in that, also comprise striking plate, described striking plate is arranged on the inside of described condenser shell and the position corresponding with the refrigerant inlet pipe of described condenser shell.
7. the shell and-tube condenser of the external supercooler of band according to claim 1, it is characterised in that, described condenser shell and described supercooler housing are integrally welded.
8. the shell and-tube condenser of the external supercooler of band according to claim 1, it is characterized in that, described shell and-tube condenser also comprises the tube sheet at the two ends being arranged on described condenser shell and described supercooler housing, front water tank and rear water box, and two ends and the described tube sheet of described supercooler housing are tightly connected.
9. the shell and-tube condenser of the external supercooler of band according to claim 8, it is characterised in that, it is provided with the water side pass partition that water side is divided into the first flow process and second journey in described front water tank.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521134920.9U CN205279536U (en) | 2015-12-31 | 2015-12-31 | Shell and tube condenser of subcooler is put to outband |
| US15/385,672 US20170176066A1 (en) | 2015-12-21 | 2016-12-20 | Condenser with external subcooler |
| US17/225,819 US11441826B2 (en) | 2015-12-21 | 2021-04-08 | Condenser with external subcooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521134920.9U CN205279536U (en) | 2015-12-31 | 2015-12-31 | Shell and tube condenser of subcooler is put to outband |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205279536U true CN205279536U (en) | 2016-06-01 |
Family
ID=56064112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521134920.9U Active CN205279536U (en) | 2015-12-21 | 2015-12-31 | Shell and tube condenser of subcooler is put to outband |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205279536U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677154A (en) * | 2017-11-17 | 2018-02-09 | 大冶斯瑞尔换热器有限公司 | A kind of phase-change heat-exchanger for high-performance computer |
| CN109464825A (en) * | 2018-11-26 | 2019-03-15 | 江苏乾云环保工程有限公司 | Concentration desorption exhaust gas solvent recovery condenser |
| WO2020020349A1 (en) * | 2018-07-27 | 2020-01-30 | 约克（无锡）空调冷冻设备有限公司 | Condenser |
-
2015
- 2015-12-31 CN CN201521134920.9U patent/CN205279536U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677154A (en) * | 2017-11-17 | 2018-02-09 | 大冶斯瑞尔换热器有限公司 | A kind of phase-change heat-exchanger for high-performance computer |
| WO2020020349A1 (en) * | 2018-07-27 | 2020-01-30 | 约克（无锡）空调冷冻设备有限公司 | Condenser |
| EP3832242A4 (en) * | 2018-07-27 | 2022-04-06 | York (Wuxi) Air Conditioning And Refrigeration Co., Ltd. | Condenser |
| CN109464825A (en) * | 2018-11-26 | 2019-03-15 | 江苏乾云环保工程有限公司 | Concentration desorption exhaust gas solvent recovery condenser |
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| GR01 | Patent grant |