CN201440016U - Built-in subcooler structure of closed shell and tube condenser - Google Patents
Built-in subcooler structure of closed shell and tube condenser Download PDFInfo
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- CN201440016U CN201440016U CN2009201697031U CN200920169703U CN201440016U CN 201440016 U CN201440016 U CN 201440016U CN 2009201697031 U CN2009201697031 U CN 2009201697031U CN 200920169703 U CN200920169703 U CN 200920169703U CN 201440016 U CN201440016 U CN 201440016U
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- deflection plate
- polylith
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Abstract
The utility model provides a built-in subcooler structure of a closed shell and tube condenser comprising a condenser shell, a diaphragm, a refrigerant circulation channel, a plurality of heat exchange tubes, a plurality of upper deflectors and a plurality of lower deflectors, wherein the diaphragm is arranged on the condenser shell and partitions the condenser shell into an upper condensing zone and a lower subcooling zone; the refrigerant circulation channel is arranged between the condensing zone and the subcooling zone, and the refrigerant liquid flowing from the condensing zone flows into the subcooling zone through the refrigerant circulation channel; the heat exchange tubes are arranged in the subcooling zone; the upper deflectors are arranged at the upper part of the subcooling zone and fixed on the diaphragm at intervals; and the lower deflectors are arranged at the lower part of the subcooling zone and fixed at the bottom of the condenser shell at intervals. Through the arrangement of the upper and lower deflectors, the flowing direction of the fluid of the built-in subcooler is changed, the heat exchange is strengthened, the heat exchange coefficient is improved, the subcooling degree is further increased, the performance coefficient of the unit is improved, and the energy consumption is reduced.
Description
Technical field
The utility model relates to refrigerating field, in particular to the built-in subcooler structure of a kind of closed shell and tube condenser.
Background technology
At present, the target of refrigeration plant industry is on the basis that guarantees the unit q﹠r, produces the highest unit of performance with the cost of minimum.The method that improves the unit efficiency is a lot, and wherein increasing degree of supercooling is a kind of low cost and effective method.The method that increases degree of supercooling in refrigeration plant mainly contains three kinds: first kind is that aftercooler is set separately, the good cooling results again of the method, but cost is higher, and system architecture is complicated; Second kind is built-in subcooler in condenser, and the cooling effect again of the method is better, and cost is lower, and system architecture is simple; The third is to adopt the backheat circulation, and the method cooling effect again is better, but the connecting line complexity is lost bigger.Therefore, second kind of structural price ratio is higher, uses comparatively extensive.
The inventor finds that there are the following problems at least in existing second kind of structure: the parallel heat exchanger tube of fluid flows, and the disturbance of generation is little, and the coefficient of heat transfer is less, so degree of supercooling is less, and unit performance is difficult to further raising.
The utility model content
The utility model aims to provide the built-in subcooler structure of a kind of closed shell and tube condenser, and the disturbance that can solve the mobile generation of the inner refrigerant of existing built-in subcooler is little, and the coefficient of heat transfer is little, and degree of supercooling is low, and unit performance is difficult to problems such as further raising.
In embodiment of the present utility model, provide a kind of closed shell and tube condenser built-in subcooler structure, comprising: condenser shell; Dividing plate is arranged on the condenser shell, and condenser shell is separated into the condensing zone on top and the cold-zone excessively of bottom; Refrigerant circulation passage is arranged between condensing zone and the mistake cold-zone, and the refrigerant liquid that flows out from condensing zone flowed into the cold-zone by refrigerant circulation passage; Many heat exchanger tubes were arranged in the cold-zone; Deflection plate on the polylith was positioned at the top of cold-zone and fixed interval on dividing plate; Deflection plate under the polylith was positioned at bottom, cold-zone and fixed interval in the condenser shell bottom.
Preferably, many heat exchanger tubes are arranged on the polylith under the deflection plate and polylith in the deflection plate; Deflection plate comprises on the polylith: go up the deflection plate upper surface, go up deflection plate side and last deflection plate lower surface; The upper surface of deflection plate and dividing plate are fitted on the polylith; The side of deflection plate has the structure that the shape with condenser shell matches on the polylith; There is suitable space the lower surface of deflection plate so that cold-producing medium passes through apart from the condenser shell bottom on the polylith; Deflection plate comprises under the polylith: deflection plate lower surface under following deflection plate upper surface and the arc; The lower surface of deflection plate has the structure that the bottom shape with condenser shell matches under the polylith; There is suitable space the upper surface of deflection plate so that cold-producing medium passes through apart from dividing plate under the polylith.
Preferably, the built-in subcooler structure of closed shell and tube condenser also comprises:
Pull bar was arranged in the cold-zone, its be fixed on the condenser shell and with polylith on deflection plate fixedly connected with deflection plate under the polylith.
Preferably, many heat exchanger tubes are arranged in parallel.
Preferably, deflection plate is 3 upward deflection plates on the polylith, and deflection plate is 4 following deflection plates under the polylith, is provided with one between per two following deflection plates and goes up deflection plate.
Preferably, spacing equates between the adjacent heat exchanger tube.
Preferably, deflection plate is vertically welded on the dividing plate on the polylith.
Preferably, deflection plate is vertically welded in the condenser shell bottom under the polylith.
Because the employing dividing plate is arranged on the condenser shell, condenser shell is separated into the condensing zone on top and the cold-zone excessively of bottom; Refrigerant circulation passage is arranged between condensing zone and the mistake cold-zone, and the refrigerant liquid that flows out from condensing zone flowed into the cold-zone by refrigerant circulation passage; Deflection plate on the polylith was positioned at the top of cold-zone and fixed interval on dividing plate; Deflection plate under the polylith was positioned at bottom, cold-zone and fixed interval in the condenser shell bottom; So changed built-in subcooler fluid (cold-producing medium) flow direction by last deflection plate, following deflection plate and dividing plate, enhanced heat exchange, improve the coefficient of heat transfer, so it is little to have overcome the mobile disturbance that produces of the inner refrigerant of existing built-in subcooler, the coefficient of heat transfer is little, and degree of supercooling is low, unit performance is difficult to problems such as further raising, and then reached further increase degree of supercooling, improve the unit performance coefficient, the effect that cuts down the consumption of energy.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the main TV structure according to the built-in subcooler of the closed shell and tube condenser of the utility model embodiment inside;
Fig. 2 has schematically shown the last deflection plate side-looking structure of built-in subcooler structure among Fig. 1;
Fig. 3 has schematically shown the following deflection plate side-looking structure of built-in subcooler structure among Fig. 1.
The specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Fig. 1 to Fig. 3 has schematically shown the structure according to the built-in subcooler structure of the closed shell and tube condenser of the utility model embodiment.As shown in the figure, according to the built-in subcooler structure of the closed shell and tube condenser of the utility model embodiment, comprising: condenser shell 10; Dividing plate 20 is arranged on the condenser shell 10, and condenser shell 10 is separated into the condensing zone on top and the cold-zone excessively of bottom, leaves the space between dividing plate 20 ends and the condenser shell 10 so that form refrigerant circulation passage usually; Refrigerant circulation passage is arranged on condensing zone and crosses between the cold-zone shown in arrow among Fig. 1, and the direction of arrow is the flow direction of cold-producing medium, and the refrigerant liquid that flows out from condensing zone for example flowed into the cold-zone along dividing plate 20 by refrigerant circulation passage; Many heat exchanger tubes 40 were arranged in the cold-zone; Deflection plate 30 on the polylith, are positioned at the top of cold-zone and fixed interval on dividing plate 20; Deflection plate 60 under the polylith, are positioned at bottom, cold-zone and fixed interval in condenser shell 10 bottoms.
Changed built-in subcooler fluid (cold-producing medium) flow direction by last deflection plate 30, following deflection plate 60 and dividing plate 20,, further increased degree of supercooling, improved the unit performance coefficient, cut down the consumption of energy so enhanced heat exchange improves the coefficient of heat transfer.
Preferably, many heat exchanger tubes 40 are arranged on the polylith under the deflection plate 30 and polylith in the deflection plate 60; Deflection plate 30 comprises on the polylith: go up deflection plate upper surface (not marking separately among the figure), go up deflection plate side and last deflection plate lower surface (not marking separately among the figure); The upper surface of deflection plate and dividing plate are fitted on the polylith; The side 33 of deflection plate has the structure that the shape with condenser shell 10 matches on the polylith; There is suitable space d1 the lower surface of deflection plate so that cold-producing medium passes through apart from the condenser shell bottom on the polylith, and the actual internal area of refrigerant flow circulation passage is A1 herein; Deflection plate 60 comprises under the polylith: deflection plate lower surface 63 under following deflection plate upper surface (not marking separately among the figure) and the arc; The lower surface of deflection plate has the structure that the bottom shape with condenser shell matches under the polylith; There is suitable space d2 the upper surface of deflection plate so that cold-producing medium passes through apart from dividing plate under the polylith, and the actual internal area of refrigerant flow circulation passage is A2 herein, A2 ≈ A1, or A1 and A2 be more or less the same, to guarantee the stable of flow of refrigerant.Like this, can control cold-producing medium and can from the refrigerant flow circulation passage, not reveal, realize that cold-producing medium carries out heat exchange with an angle of 90 degrees or near an angle of 90 degrees and heat exchanger tube, reach heat exchange effect preferably thereby can also form effective baffling and guiding.
Preferably, the built-in subcooler structure of closed shell and tube condenser also comprises: pull bar 50, be arranged in the cold-zone, its be fixed on the condenser shell and with polylith on deflection plate 30 fixedly connected with deflection plate 60 under the polylith.Pull bar 50 can be many, and it can be fixed on the condenser shell 10.Being provided with of pull bar can make that deflection plate is connected more firmly with deflection plate under the polylith on the polylith.
Preferably, many heat exchanger tubes 40 are arranged in parallel, and like this, are convenient to install and heat exchange.
Preferably, deflection plate is 3 upward deflection plates on the polylith, and deflection plate is 4 following deflection plates under the polylith, is provided with one between per two following deflection plates and goes up deflection plate.As shown in Figure 1, on the polylith under deflection plate and the polylith deflection plate be provided with at interval, for example, can be provided with evenly and at intervals.
Preferably, spacing equates between the adjacent heat exchanger tube 40.Between the adjacent heat exchanger tube 40 with row, spacing all equates between different rows' the adjacent heat exchanger tube 40, like this, helps carrying out equably between cold-producing medium and each heat exchanger tube heat exchange.
Preferably, deflection plate 30 is vertically welded on the dividing plate 20 on the polylith.Preferably, deflection plate 60 is vertically welded in condenser shell 10 bottoms under the polylith.Like this, make things convenient for the installation of deflection plate on the polylith 30 and following deflection plate 60, certain, can also adopt other modes that making is installed.
The course of work of the built-in subcooler of closed shell and tube condenser of the present utility model is that the housing of cold-producing medium outside heat exchanger tube 40 flows, and cooling water flows in heat exchanger tube 40.Enter the condenser inner refrigerant gas pipework condensation that is condensed and become liquid, refrigerant liquid flowed into cool region from dividing plate 20 passages, made cold-producing medium change flow direction by upper and lower deflection plate, cold-producing medium vertically washes away heat exchanger tube, produce bigger disturbance, thereby improve the coefficient of heat transfer, increase degree of supercooling.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
By the setting of upper and lower deflection plate, changed built-in subcooler fluid flow direction, strengthened heat exchange, improved the coefficient of heat transfer, further increased degree of supercooling, improved the unit performance coefficient, reduced energy consumption.According to the result of the test that adopts refrigerant R134a condensation reality, to use the utility model and show that with existing built-in subcooler measured result degree of supercooling can improve about 40%, degree of supercooling has had and has increased substantially, and reaches the target of expection increase degree of supercooling.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. the built-in subcooler structure of closed shell and tube condenser is characterized in that, comprising:
Condenser shell;
Dividing plate is arranged on the described condenser shell, and described condenser shell is separated into the condensing zone on top and the cold-zone excessively of bottom;
Refrigerant circulation passage is arranged on described condensing zone and described the mistake between the cold-zone, and the refrigerant liquid that flows out from described condensing zone flows into the described cold-zone of crossing by described refrigerant circulation passage;
Many heat exchanger tubes are arranged on described the mistake in the cold-zone;
Deflection plate on the polylith is positioned at the described top of crossing the cold-zone and fixed interval on described dividing plate;
Deflection plate under the polylith is positioned at described bottom, cold-zone excessively and fixed interval in described condenser shell bottom.
2. the built-in subcooler structure of closed shell and tube condenser according to claim 1 is characterized in that:
Described many heat exchanger tubes are arranged on the described polylith under the deflection plate and described polylith in the deflection plate;
Deflection plate comprises on the described polylith: go up the deflection plate upper surface, go up deflection plate side and last deflection plate lower surface; The upper surface of deflection plate and described dividing plate are fitted on the described polylith; The side of deflection plate has the structure that the shape with described condenser shell matches on the described polylith; There is suitable space the described condenser shell of the lower surface of deflection plate distance bottom so that described cold-producing medium passes through on the described polylith;
Deflection plate comprises under the described polylith: deflection plate lower surface under following deflection plate upper surface and the arc; The lower surface of deflection plate has the structure that the bottom shape with described condenser shell matches under the described polylith; The upper surface of the deflection plate described dividing plate of distance has suitable space so that described cold-producing medium passes through under the described polylith.
3. the built-in subcooler structure of closed shell and tube condenser according to claim 1 is characterized in that, also comprises:
Pull bar is arranged on described the mistake in the cold-zone, its be fixed on the described condenser shell and with described polylith on deflection plate fixedly connected with deflection plate under the described polylith.
4. the built-in subcooler structure of closed shell and tube condenser according to claim 1 is characterized in that,
Described many heat exchanger tubes are arranged in parallel.
5. the built-in subcooler structure of closed shell and tube condenser according to claim 1 is characterized in that,
Deflection plate is 3 last deflection plates on the described polylith, and deflection plate is 4 following deflection plates under the described polylith, is provided with a described deflection plate of going up between per two described following deflection plates.
6. the built-in subcooler structure of closed shell and tube condenser according to claim 1 is characterized in that,
Spacing equates between the adjacent described heat exchanger tube.
7. the built-in subcooler structure of closed shell and tube condenser according to claim 1 is characterized in that,
Deflection plate is vertically welded on the described dividing plate on the described polylith.
8. the built-in subcooler structure of closed shell and tube condenser according to claim 1 is characterized in that,
Deflection plate is vertically welded in described condenser shell bottom under the described polylith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201697031U CN201440016U (en) | 2009-08-06 | 2009-08-06 | Built-in subcooler structure of closed shell and tube condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201697031U CN201440016U (en) | 2009-08-06 | 2009-08-06 | Built-in subcooler structure of closed shell and tube condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201440016U true CN201440016U (en) | 2010-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201697031U Expired - Lifetime CN201440016U (en) | 2009-08-06 | 2009-08-06 | Built-in subcooler structure of closed shell and tube condenser |
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| Country | Link |
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| CN (1) | CN201440016U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032725A (en) * | 2010-12-08 | 2011-04-27 | 海尔集团公司 | Supercooling device, air conditioner with device and method for controlling refrigerant flow of air conditioner |
| CN102042719A (en) * | 2010-11-29 | 2011-05-04 | 海尔集团公司 | Condenser and structural design device thereof |
| CN102455090A (en) * | 2011-11-24 | 2012-05-16 | 杭州赛富特设备有限公司 | Sub-cooling condenser |
| CN102914101A (en) * | 2012-10-24 | 2013-02-06 | 重庆美的通用制冷设备有限公司 | Flash type economizer |
| CN104154681A (en) * | 2014-08-18 | 2014-11-19 | 邵彩云 | Horizontal compact shell-and-tube condenser |
-
2009
- 2009-08-06 CN CN2009201697031U patent/CN201440016U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042719A (en) * | 2010-11-29 | 2011-05-04 | 海尔集团公司 | Condenser and structural design device thereof |
| CN102032725A (en) * | 2010-12-08 | 2011-04-27 | 海尔集团公司 | Supercooling device, air conditioner with device and method for controlling refrigerant flow of air conditioner |
| CN102455090A (en) * | 2011-11-24 | 2012-05-16 | 杭州赛富特设备有限公司 | Sub-cooling condenser |
| CN102455090B (en) * | 2011-11-24 | 2014-01-08 | 杭州赛富特设备有限公司 | Sub-cooling condenser |
| CN102914101A (en) * | 2012-10-24 | 2013-02-06 | 重庆美的通用制冷设备有限公司 | Flash type economizer |
| CN104154681A (en) * | 2014-08-18 | 2014-11-19 | 邵彩云 | Horizontal compact shell-and-tube condenser |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100421 |