CN203443417U - Shell and tube heat exchanger and air-conditioner - Google Patents
Shell and tube heat exchanger and air-conditioner Download PDFInfo
- Publication number
- CN203443417U CN203443417U CN201320468448.7U CN201320468448U CN203443417U CN 203443417 U CN203443417 U CN 203443417U CN 201320468448 U CN201320468448 U CN 201320468448U CN 203443417 U CN203443417 U CN 203443417U
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- Prior art keywords
- tube
- shell
- refrigerant
- heat exchanger
- refrigerating medium
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Links
- 239000003507 refrigerant Substances 0.000 claims abstract description 72
- 230000004907 flux Effects 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 12
- 229910052802 copper Inorganic materials 0.000 description 12
- 239000010949 copper Substances 0.000 description 12
- 239000002826 coolant Substances 0.000 description 11
- 239000007788 liquid Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a shell and tube heat exchanger and an air-conditioner. The shell and tube heat exchanger comprises a secondary refrigerant cavity provided with a refrigerant inlet and a refrigerant outlet, multiple heat exchange tubes arranged in the secondary refrigerant cavity in up-and-down distribution and a separator arranged in the secondary refrigerant cavity and communicated with the refrigerant inlet, wherein the separator comprises a common cavity communicated with the refrigerant inlet, one side of the common cavity is provided with multiple connection ports, and each connection port corresponds to at least one heat exchange tube. By adopting the shell and tube heat exchanger and the air-conditioner, the problem of insufficient heat exchange of the existing heat exchanger can be solved, and the heat exchange efficiency of the heat exchanger can be improved.
Description
Technical field
The utility model relates to air-conditioner field, particularly a kind of shell and tube exchanger and air-conditioner.
Background technology
In heat exchanger, the heat exchange of refrigerant and refrigerating medium comprises Exchange of apparent heat and latent heat exchange two parts.Latent heat exchange is to instigate state of matter to change, and does not change the exchange heat of material temperature.Sensible heat refers to the heat that causes material variations in temperature, if heat certain material, its temperature is raise, and the heat adding is sensible heat; Similarly, if cooling certain material reduces its temperature, the heat discharging is also referred to as sensible heat.
For example, for miniaturization (, power 3 or 5 left and right) shell and tube exchanger, take evaporimeter as example, shown in Fig. 1, Fig. 1 is the structural representation of shell and tube exchanger in prior art.Refrigerant enters shell and tube exchanger, with refrigerating medium generation heat exchange around, but the refrigerant that enters shell and tube exchanger is the mixture of gaseous state, liquid state, gravitate, liquid refrigerants is assembled in the bottom of heat exchanger, and gaseous coolant major part is gathered in the top of heat exchanger, causes by the coolant quantity of each copper pipe uneven, namely shunting is uneven, and heat exchange efficiency is had a greatly reduced quality.
Because, refrigerant is mainly latent heat exchange and Exchange of apparent heat with the heat exchange of refrigerating medium around, in evaporimeter, refrigerant transforms from liquid state to gaseous state and absorbs heat, this process is mainly to carry out latent heat exchange, and the energy of Exchange of apparent heat is compared with the energy of latent heat exchange, seem considerably less, almost can ignore.
Gravitate, liquid refrigerants is assembled in the bottom of heat exchanger, causes the liquid refrigerants amount of bottom very large.Refrigerant flow through heat exchange copper tube and the heat exchange of refrigerating medium generation around of bottom, because of the liquid refrigerants amount of bottom large, finally cause refrigerant can not evaporate completely in the heat exchange copper tube of bottom, make to flow out in the refrigerant of shell and tube exchanger and also have liquid refrigerants, namely latent heat is not utilized completely, heat exchange is insufficient, and the overall thermal that affects evaporimeter is changed efficiency.
Gaseous coolant major part is gathered in the top of heat exchanger, and flow out shell and tube exchanger by the heat exchange copper tube at heat exchanger top, because the refrigerant of this part has been gaseous state, no longer carry out latent heat exchange, gaseous coolant flows through and can only carry out Exchange of apparent heat from copper pipe, and the sensible heat energy of this part is considerably less, compare with integral body, can ignore, namely the gaseous coolant in this part copper pipe does not almost have the effect of heat exchange, and the overall thermal that has affected equally evaporimeter is changed efficiency.
Utility model content
Main purpose of the present utility model is for providing a kind of shell and tube exchanger, to improve the heat exchange efficiency of heat exchanger.
To achieve these goals, the utility model proposes a kind of shell and tube exchanger, this shell and tube exchanger comprise be provided with refrigerant entrance and refrigerant exit refrigerating medium cavity, be arranged on a plurality of in described refrigerating medium cavity and be the heat exchanger tube distributing up and down and be arranged on knockout in described refrigerating medium cavity and that be communicated with described refrigerant entrance, this knockout comprises a public chamber being communicated with described refrigerant entrance, one side of described public chamber is provided with a plurality of connected entrances, and described in each, connected entrance is corresponding is communicated with heat exchanger tube described at least one.
Preferably, described heat exchanger tube comprises heat exchange portion and separatory interconnecting part, and one end of described separatory interconnecting part is communicated with described heat exchange portion, and the other end is communicated with at least one connected entrance of described knockout.
Preferably, described separatory interconnecting part is provided with the control valve of controlling cold medium flux.
Preferably, described heat exchange portion and described separatory interconnecting part weld together.
Preferably, the refrigerant entrance of the corresponding described heat exchanger tube of the refrigerant entrance of described refrigerating medium cavity arranges, and the refrigerant entrance of described refrigerating medium cavity to the direction of the connected entrance of described knockout is parallel to horizontal direction.
Preferably, also comprise at least one deflector on the upper surface being arranged in described refrigerating medium cavity or on the lower surface corresponding with described upper surface.
Preferably, the quantity of the deflector on the lower surface in being arranged on deflector on the upper surface in described refrigerating medium cavity and being arranged on described refrigerating medium cavity is identical, and the direction of the deflector on the lower surface in the deflector on the upper surface in described refrigerating medium cavity and described refrigerating medium cavity along described refrigerant entrance to refrigerant exit is arranged in a crossed manner successively.
Preferably, described deflector is vertically installed in the heat exchange portion of described heat exchanger tube.
The utility model also provides a kind of air-conditioner, this air-conditioner comprises shell and tube exchanger, this shell and tube exchanger comprise be provided with refrigerant entrance and refrigerant exit refrigerating medium cavity, be arranged on a plurality of in described refrigerating medium cavity and be the heat exchanger tube distributing up and down and be arranged on knockout in described refrigerating medium cavity and that be communicated with described refrigerant entrance, this knockout comprises a public chamber being communicated with described refrigerant entrance, one side of described public chamber is provided with a plurality of connected entrances, and described in each, connected entrance is corresponding is communicated with heat exchanger tube described at least one.
The utility model heat exchanger comprise be provided with refrigerant entrance and refrigerant exit refrigerating medium cavity, be arranged on a plurality of in described refrigerating medium cavity and be the heat exchanger tube distributing up and down and be arranged on knockout in described refrigerating medium cavity and that be communicated with described refrigerant entrance, this knockout comprises a public chamber being communicated with described refrigerant entrance, one side of described public chamber is provided with a plurality of connected entrances, and described in each, connected entrance is corresponding is communicated with heat exchanger tube described at least one.This shell and tube exchanger is evenly shunted entering the refrigerant of heat exchanger tube by knockout, and the coolant quantity that makes to enter each heat exchanger tube is substantially impartial, and then makes refrigerant and the abundant heat exchange of refrigerating medium, has greatly improved the efficiency of heat exchange.
Accompanying drawing explanation
Fig. 1 is the structural representation of shell and tube exchanger in prior art;
Fig. 2 is the structural representation of the utility model shell and tube exchanger one embodiment.
The realization of the utility model object, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
With reference to Fig. 2, Fig. 2 is the structural representation of the utility model shell and tube exchanger one embodiment.
The shell and tube exchanger that the present embodiment proposes comprise be provided with refrigerant entrance and refrigerant exit refrigerating medium cavity 10, be arranged on a plurality of in described refrigerating medium cavity 10 and be the heat exchanger tube 20 distributing up and down and be arranged on knockout 30 in described refrigerating medium cavity 10 and that be communicated with described refrigerant entrance, this knockout 30 comprises a public chamber being communicated with described refrigerant entrance, one side of described public chamber is provided with a plurality of connected entrances, and described in each, connected entrance is corresponding is communicated with heat exchanger tube 20 described at least one.This shell and tube exchanger is evenly shunted by 30 pairs of refrigerants that enter heat exchanger tube 20 of knockout, and the coolant quantity that makes to enter each heat exchanger tube 20 is substantially impartial, and then makes refrigerant and the abundant heat exchange of refrigerating medium, has greatly improved the efficiency of heat exchange.
Particularly, in order to make knockout 30 that refrigerant is branched to each heat exchanger tube 20 uniformly, the quantity setting of the general corresponding heat exchanger tube 20 of quantity of the connected entrance of above-mentioned knockout 30.Can certainly be the corresponding a plurality of heat exchanger tubes 20 of connected entrance of a knockout 30.Wherein heat exchanger tube 20 is generally made by copper pipe, and copper pipe quality is hard, not perishable, and high temperature resistant, high pressure, is difficult for aging.
Further, above-mentioned heat exchanger tube 20 comprises heat exchange portion 201 and separatory interconnecting part 202, and one end of described separatory interconnecting part 202 is communicated with described heat exchange portion 201, and the other end is communicated with at least one connected entrance of described knockout 30.In the present embodiment, in order to realize, to control knockout 30 to export the coolant quantity of each heat exchanger tube 20 to more even, heat exchanger tube 20 is set to two parts, be that heat exchanger tube 20 comprises for the heat exchange portion 201 of heat exchange with for controlling the separatory interconnecting part 202 of cold medium flux size, should be appreciated that this heat exchange portion 201 is pipeline with separatory interconnecting part 202.By changing the separatory interconnecting part 202 of different size size, can control the cold medium flux that enters heat exchanger tube 20.
Concrete selection and the method for adjustment of this separatory interconnecting part 202 are as follows:
By monitoring the temperature of each road heat exchanger tube 20, and judge cold medium flux much more relatively and less heat exchanger tube 20 according to temperature, and then according to the separatory interconnecting part 202 of the size cases replacing different tube diameters of the cold medium flux in each heat exchanger tube 20, to change from knockout 30, flow into the coolant quantity heat exchanger tube 20.For example, the temperature that records first heat exchanger tube 20 is 15 ℃, and the temperature of second heat exchanger tube 20 is 5 ℃, and target temperature is 10 ℃.Now, by contrast, can learn that the temperature of first heat exchanger tube 20 is greater than target temperature, illustrate that refrigerant is few, need to increase refrigerant, therefore can select the copper pipe that caliber is larger (take copper pipe in this programme as example) to replace original separatory interconnecting part 202, should be understood that herein, the copper pipe that caliber is larger not only can pass through the more refrigerant of volume, and being conveniently communicated with a plurality of connected entrances of knockout 30, thereby the input of increase coolant quantity.And the temperature of second heat exchanger tube 20 is less than target temperature, illustrate that refrigerant is many, need to reduce refrigerant, therefore can select the copper pipe that caliber is less to replace original separatory interconnecting part 202.Therefore,, by changing the separatory interconnecting part 202 of different size size, can make the cold medium flux that enters in each heat exchanger tube 20 more even.
Further, in order to improve the control accuracy of cold medium flux, described separatory interconnecting part 202 is provided with the control valve (not shown) of controlling cold medium flux.This control valve can be manual rotary valve, can be also magnetic valve.
Further, in order to guarantee the seal after heat exchange portion 201 is communicated with separatory interconnecting part 202, described heat exchange portion 201 and described separatory interconnecting part 202 weld together.
Further, for the coolant quantity that makes to enter to each road heat exchanger tube 20 from the refrigerant entrance of refrigerating medium cavity 10 more even, the refrigerant entrance of the corresponding described heat exchanger tube 20 of refrigerant entrance of described refrigerating medium cavity 10 arranges, and the refrigerant entrance of described refrigerating medium cavity 10 to the direction of the connected entrance of described knockout 30 is parallel to horizontal direction.Certainly in other embodiments, the refrigerant entrance of refrigerating medium cavity 10 to the direction of the connected entrance of knockout 30 can also be set to perpendicular to horizontal direction.
Further, more abundant for the heat exchange that refrigerating medium and refrigerant are carried out, also comprise at least one deflector 40 on the upper surface 101 being arranged in described refrigerating medium cavity 10 or on the lower surface 102 corresponding with described upper surface.This deflector 40 can extend refrigerating medium and rest on the time in refrigerating medium cavity 10, thereby makes the more abundant of refrigerating medium and refrigerant heat exchange.
Further, the quantity of the deflector 40 on the lower surface in being arranged on deflector 40 on the upper surface in described refrigerating medium cavity 10 and being arranged on described refrigerating medium cavity 10 is identical, and the direction of the deflector 40 on the lower surface 102 in the deflector on the upper surface 101 in described refrigerating medium cavity 10 40 and described refrigerating medium cavity 10 along described refrigerant entrance to refrigerant exit is arranged in a crossed manner successively.This structure can further extend refrigerating medium and rest on the time in refrigerating medium cavity 10, with the abundant heat exchange of refrigerant after discharge again refrigerating medium cavity, thereby effectively reduced the waste of refrigerating medium and refrigerant.
Further, in order to facilitate mounting guiding board 40 and to form and coordinate preferably with heat exchanger tube 20, described deflector 40 is vertically installed in the heat exchange portion 201 of described heat exchanger tube 20.
The utility model also proposes a kind of air-conditioner, and this air-conditioner comprises above-mentioned shell and tube exchanger, and the detailed structure of this shell and tube exchanger can, with reference to above-described embodiment, repeat no more herein.Owing to having used above-mentioned shell and tube exchanger in air-conditioner, therefore, the utility model has solved insufficient, the inefficient problem of air-conditioner heat exchange, is conducive to improve the heat exchange efficiency of air-conditioner.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. a shell and tube exchanger, comprise and be provided with the refrigerating medium cavity of refrigerant entrance and refrigerant exit and be arranged on a plurality of heat exchanger tubes that distribute up and down that are in described refrigerating medium cavity, it is characterized in that, also comprise and be arranged on knockout in described refrigerating medium cavity and that be communicated with described refrigerant entrance, this knockout comprises a public chamber being communicated with described refrigerant entrance, one side of described public chamber is provided with a plurality of connected entrances, and described in each, connected entrance is corresponding is communicated with heat exchanger tube described at least one.
2. shell and tube exchanger according to claim 1, is characterized in that, described heat exchanger tube comprises heat exchange portion and separatory interconnecting part, and one end of described separatory interconnecting part is communicated with described heat exchange portion, and the other end is communicated with at least one connected entrance of described knockout.
3. shell and tube exchanger according to claim 2, is characterized in that, described separatory interconnecting part is provided with the control valve of controlling cold medium flux.
4. shell and tube exchanger according to claim 2, is characterized in that, described heat exchange portion and described separatory interconnecting part weld together.
5. shell and tube exchanger according to claim 1, it is characterized in that, the refrigerant entrance of the corresponding described heat exchanger tube of refrigerant entrance of described refrigerating medium cavity arranges, and the refrigerant entrance of described refrigerating medium cavity to the direction of the connected entrance of described knockout is parallel to horizontal direction.
6. shell and tube exchanger according to claim 1, is characterized in that, also comprises at least one deflector on the upper surface being arranged in described refrigerating medium cavity or on the lower surface corresponding with described upper surface.
7. shell and tube exchanger according to claim 6, it is characterized in that, the quantity of the deflector on the lower surface in being arranged on deflector on the upper surface in described refrigerating medium cavity and being arranged on described refrigerating medium cavity is identical, and the direction of the deflector on the lower surface in the deflector on the upper surface in described refrigerating medium cavity and described refrigerating medium cavity along described refrigerant entrance to refrigerant exit is arranged in a crossed manner successively.
8. shell and tube exchanger according to claim 7, is characterized in that, described deflector is vertically installed in the heat exchange portion of described heat exchanger tube.
9. an air-conditioner, is characterized in that, comprises the shell and tube exchanger described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320468448.7U CN203443417U (en) | 2013-08-01 | 2013-08-01 | Shell and tube heat exchanger and air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320468448.7U CN203443417U (en) | 2013-08-01 | 2013-08-01 | Shell and tube heat exchanger and air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203443417U true CN203443417U (en) | 2014-02-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320468448.7U Expired - Fee Related CN203443417U (en) | 2013-08-01 | 2013-08-01 | Shell and tube heat exchanger and air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203443417U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767020A (en) * | 2017-01-03 | 2017-05-31 | 珠海格力电器股份有限公司 | A kind of shell-tube evaporator |
| CN108225062A (en) * | 2018-01-25 | 2018-06-29 | 蓝旺节能科技（浙江）有限公司 | Temperature controls the heat exchanger of stream |
| CN109520329A (en) * | 2017-09-19 | 2019-03-26 | 浙江盾安机械有限公司 | Heat exchanger |
| CN110906780A (en) * | 2018-09-18 | 2020-03-24 | 浙江盾安热工科技有限公司 | Knockout and have its shell and tube heat exchanger |
-
2013
- 2013-08-01 CN CN201320468448.7U patent/CN203443417U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767020A (en) * | 2017-01-03 | 2017-05-31 | 珠海格力电器股份有限公司 | A kind of shell-tube evaporator |
| CN109520329A (en) * | 2017-09-19 | 2019-03-26 | 浙江盾安机械有限公司 | Heat exchanger |
| CN108225062A (en) * | 2018-01-25 | 2018-06-29 | 蓝旺节能科技（浙江）有限公司 | Temperature controls the heat exchanger of stream |
| CN110906780A (en) * | 2018-09-18 | 2020-03-24 | 浙江盾安热工科技有限公司 | Knockout and have its shell and tube 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: 20140219 Termination date: 20140801 |
|
| EXPY | Termination of patent right or utility model |