CN2508185Y - Plate heat exchanger - Google Patents
Plate heat exchanger Download PDFInfo
- Publication number
- CN2508185Y CN2508185Y CN 01261377 CN01261377U CN2508185Y CN 2508185 Y CN2508185 Y CN 2508185Y CN 01261377 CN01261377 CN 01261377 CN 01261377 U CN01261377 U CN 01261377U CN 2508185 Y CN2508185 Y CN 2508185Y
- Authority
- CN
- China
- Prior art keywords
- cryogen
- pipe
- refrigerant
- inlet mouth
- mouth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a plate type heat exchanger, and comprises a plate type evaporator (9), a refrigerant inlet pipe orifice (1), a refrigerant outlet pipe orifice (6), a refrigerant or secondary refrigerant inlet pipe orifice (8), a water or secondary refrigerant outlet pipe orifice (14), a refrigerant chamber (4), and a water or secondary refrigerant chamber (7) which are arranged on the plate type evaporator (9). The refrigerant inlet pipe orifice (1) is connected with a throttling mechanism (12), and is also connected with a refrigerant side inlet longitudinal channel (2), the refrigerant side inlet longitudinal channel (2) is provided with a refrigerant inlet throttling orifice (3), and the refrigerant outlet pipe orifice (6) is connected with a refrigerant side outlet channel (5). The utility model is characterized in that the plate type evaporator (9) is also provided with a reverse refrigerant inlet pipe orifice (15); the reverse refrigerant inlet pipe orifice (15) is connected with a throttling orifice (16), and also connected with the refrigerant side inlet longitudinal channel (2). The utility model can promote the turbulent flow of the refrigerant flowing in the refrigerant side inlet longitudinal channel (2), make the refrigerant flowing in each refrigerant chamber completely and evenly evaporated, enhance the overall cooling of the heat transfer surface and improve the refrigeration ability.
Description
(1) technical field, the utility model relate to a kind of heat exchanger, relate in particular to a kind of heat-exchangers of the plate type.
(2) background technology, present existing heat-exchangers of the plate type is (referring to Fig. 6, Fig. 7), it is to be provided with the cryogen inlet mouth of pipe 1 on plate-type evaporator 9, the cryogen outlet mouth of pipe 6, the water or the refrigerating medium inlet mouth of pipe 8, the water or the refrigerating medium outlet mouth of pipe 14, the refrigerant vapor that enters by the cryogen inlet mouth of pipe 1, flow to cryogen side entrance path 2, enter cryogen chamber 4 by cryogen chamber inlet throttle orifice 3, pass through cryogen side outlet path 5 again, flow to the cryogen outlet mouth of pipe 6, cryogen in cryogen chamber 4 with its wall as heat-transfer area, carry out heat exchange with water or refrigerating medium chamber 7, water or refrigerating medium are cooled, the influence of the heat transfer property and cold side (cryogen) heat transfer property of side (water or refrigerating medium) because the cooling capacity of evaporimeter mainly is cooled, and the heat transfer situation of cold side is as follows: just around cryogen side entrance longitudinal passage 2, cryogen chamber inlet throttle mechanism 3 is being equally spaced, so refrigerant vapor is not by fully homogenizing distribution, the plywood number more for a long time, because inertia, heavier aqueous cryogen is split into the inboard of cryogen side entrance longitudinal passage 2, lighter refrigerant gas is split into the cryogen inlet tube oral-lateral of cryogen side entrance longitudinal passage 2, the aqueous cryogen that inboard cryogen chamber flows into is more, cryogen can not fully evaporate, the refrigerant gas that cryogen inlet tube oral-lateral cryogen chamber flows into is more, and cryogen can not fully evaporate; The refrigerant gas that cryogen inlet nozzle side cryogen chamber flows into is more, the pyroconductivity of refrigerant gas self is lower, and the cryogen liquid of evaporation is also less, thereby can not fully evaporate potential, this cooling causes conducting heat bad, problems such as evaporating temperature, refrigerating capacity, the obvious reduction of COP.
(3) summary of the invention, the purpose of this utility model is to overcome the deficiency of above-mentioned prior art and a kind of cryogen turbulent flow of flowing of can promoting in cryogen side entrance longitudinal passage 2 is provided, make the fully evenly evaporation of the indoor mobile cryogen of each cryogen, improve the cooling of heat-transfer area integral body, the heat-exchangers of the plate type of increase refrigerating capacity.
The purpose of this utility model can reach by following measure: a kind of heat-exchangers of the plate type, it comprises plate-type evaporator 9, plate-type evaporator 9 is provided with the cryogen inlet mouth of pipe 1, the cryogen outlet mouth of pipe 6, the cryogen or the refrigerating medium inlet mouth of pipe 8, the water or the refrigerating medium outlet mouth of pipe 14, cryogen chamber 4, water or refrigerating medium chamber 7, the cryogen inlet mouth of pipe 1 connects a throttle mechanism 12, the cryogen inlet mouth of pipe 1 communicates with cryogen side entrance longitudinal passage 2, cryogen side entrance longitudinal passage 2 is provided with cryogen inlet restriction hole 3, the cryogen outlet mouth of pipe 6 communicates with cryogen side outlet path 5, it is characterized in that also being provided with on the described plate-type evaporator 9 the reverse cryogen inlet mouth of pipe 15, oppositely the cryogen inlet mouth of pipe 15 links to each other with throttle mechanism, and oppositely the cryogen inlet mouth of pipe 15 communicates with cryogen side entrance longitudinal passage 2.
Compared with the prior art the utility model can produce following good effect: because the utility model adopts the entry and the throttle orifice that leads to each plate channel vertical direction of horizontal direction, the cryogen entry of forming this heat exchanger, for on the entry that makes this horizontal direction from the refrigerant vapor of throttle mechanism, length direction evenly mixes dispersion in entry, the utility model is provided with at least one reverse cryogen inlet mouth of pipe on the entry of this horizontal direction, make in the cryogen entry in the horizontal direction and oppositely cushion, promoted the evaporation of each cryogen chamber, make the fully evenly evaporation of the indoor mobile cryogen of each cryogen, the cooling that improves heat-transfer area integral body, increase refrigerating capacity.
(4) description of drawings elaborates to preferred forms of the present utility model below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of the refrigeration machine integral body of use the utility model (first kind of embodiment);
Fig. 2 is near the enlarged drawing of cryogen side entrance longitudinal passage of first kind of embodiment of the utility model;
Fig. 3 is the structural representation of the refrigeration machine integral body of use the utility model (second kind of embodiment);
Fig. 4 is near the enlarged drawing of cryogen side entrance longitudinal passage of second kind of embodiment of the utility model;
Fig. 5 is a principle profile of the present utility model;
Fig. 6 is the front schematic diagram of existing heat-exchangers of the plate type;
Fig. 7 is the A-A cutaway view of Fig. 5.
(5) embodiment 1 is (referring to Fig. 1, Fig. 2, Fig. 5), a kind of heat-exchangers of the plate type, it comprises plate-type evaporator 9, plate-type evaporator 9 is provided with the cryogen inlet mouth of pipe 1, the cryogen inlet mouth of pipe 1 connects a throttle mechanism 12, the cryogen inlet mouth of pipe 1 communicates with cryogen side entrance longitudinal passage 2, cryogen side entrance longitudinal passage 2 is provided with cryogen inlet restriction hole 3, cryogen inlet restriction hole 3 communicates with cryogen chamber 4, cryogen chamber 4 communicates with cryogen side outlet path 5, cryogen side outlet path 5 communicates with the cryogen outlet mouth of pipe 6, the other end of cryogen side entrance longitudinal passage 2 communicates with the reverse cryogen inlet mouth of pipe 15, oppositely the cryogen inlet mouth of pipe 15 connects a throttle mechanism 16, be provided with water or refrigerating medium chamber 7 in the plate-type evaporator 9, water or refrigerating medium chamber 7 are connected with the cryogen or the refrigerating medium inlet mouth of pipe 8, the water or the refrigerating medium outlet mouth of pipe 14, when this heat-exchangers of the plate type uses on refrigeration machine, with compressor 10, condenser 11 connects, the refrigerant gas of evaporation is compressed in compressor 10 in plate-type evaporator 9, enter condenser 11, water 13 cooling liquids are cooled, cryogen liquid after the liquefaction is by throttle mechanism 12, throttle mechanism 16 decompressions, enter in the cryogen chamber 4 of plate-type evaporator 9, draw heat vaporization cycle from water or refrigerating medium, water or refrigerating medium are cooled, and are flowed out by the water and the refrigerating medium outlet mouth of pipe 14.In this heat-exchangers of the plate type, by the cryogen inlet mouth of pipe 1, the refrigerant vapour that the reverse cryogen inlet mouth of pipe 15 enters, oppositely cushion each other by cryogen in the longitudinal passage 2 of cryogen side entrance, promoted the turbulent flow of cryogen in this path, the cryogen air-flow is evenly distributed, pass cryogen inlet restriction hole 3 again, make refrigerant vapour in cryogen chamber 4, fully carry out heat exchange, and with wall as heat-transfer area, carry out heat exchange with the water or the refrigerating medium that in water or refrigerating medium chamber 7, flow, absorb evaporation, and can come cooling water or refrigerating medium by evaporation latent heat, the refrigerant vapour that is evaporated flows to the cryogen outlet mouth of pipe 6 through cryogen side outlet path 5, in whole heat exchanger, effectively utilize evaporation latent heat, the above-mentioned reverse cryogen inlet mouth of pipe 15 can be established a plurality of, and each reverse cryogen inlet nozzle 15 all connects a corresponding throttle mechanism 16, and the quantity of cryogen outlet 116 is plural better effects if.
Claims (3)
1, a kind of heat-exchangers of the plate type, it comprises plate-type evaporator (9), plate-type evaporator (9) is provided with the cryogen inlet mouth of pipe (1), the cryogen outlet mouth of pipe (6), the water or the refrigerating medium inlet mouth of pipe (8), the cryogen or the refrigerating medium outlet mouth of pipe (14), cryogen chamber (4), water or refrigerating medium chamber (7), the cryogen inlet mouth of pipe (1) connects a throttle mechanism (12), the cryogen inlet mouth of pipe (1) communicates with cryogen side entrance longitudinal passage (2), cryogen side entrance path (2) is provided with cryogen inlet restriction hole (3), the cryogen outlet mouth of pipe (6) communicates with cryogen side outlet path (5), it is characterized in that also being provided with on the described plate-type evaporator (9) the reverse cryogen inlet mouth of pipe (15), oppositely the cryogen inlet mouth of pipe (15) is connected with throttle mechanism, and oppositely the cryogen inlet mouth of pipe (15) communicates with cryogen side entrance path (2).
2, a kind of heat-exchangers of the plate type according to claim 1 is characterized in that the described reverse cryogen inlet mouth of pipe (15) is at least one, and each cryogen inlet mouth of pipe (15) all links to each other with throttle mechanism (12).
3, a kind of heat-exchangers of the plate type according to claim 1 is characterized in that the described reverse cryogen inlet mouth of pipe (15) is at least one, and each reverse cryogen inlet mouth of pipe (15) all connects correspondingly a throttle mechanism (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01261377 CN2508185Y (en) | 2001-08-29 | 2001-08-29 | Plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01261377 CN2508185Y (en) | 2001-08-29 | 2001-08-29 | Plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2508185Y true CN2508185Y (en) | 2002-08-28 |
Family
ID=33669329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01261377 Expired - Fee Related CN2508185Y (en) | 2001-08-29 | 2001-08-29 | Plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2508185Y (en) |
-
2001
- 2001-08-29 CN CN 01261377 patent/CN2508185Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |