CN102080901A - Integrated condensing dry evaporator device and use method thereof - Google Patents

Integrated condensing dry evaporator device and use method thereof Download PDF

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Publication number
CN102080901A
CN102080901A CN2010105864774A CN201010586477A CN102080901A CN 102080901 A CN102080901 A CN 102080901A CN 2010105864774 A CN2010105864774 A CN 2010105864774A CN 201010586477 A CN201010586477 A CN 201010586477A CN 102080901 A CN102080901 A CN 102080901A
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China
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condensation
cylinder
refrigerating medium
evaporation
tube
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CN2010105864774A
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CN102080901B (en
Inventor
邹顺达
冯国明
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SHANGHAI HUANQIU REFRIGERATION EQUIPMENT CO Ltd
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SHANGHAI HUANQIU REFRIGERATION EQUIPMENT CO Ltd
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Abstract

The invention relates to an integrated condensing dry evaporator device and a use method thereof. At present, the general technology is that an independent condenser and an independent dry evaporator are used, the whole structure is not compact, and many valve members are disposed. The technical scheme of the invention is that a condenser and a dry evaporator are combined in a cylinder; the device comprises a cylinder, an intake pipe, a condensing tube bundle, a supporting plate, a refrigerant liquid outlet, a condensation side refrigerating medium inlet, a condensation side tube plate, a condensation side refrigerating medium outlet, a two-layered division plate, a liquid inlet tube, a tube box, an evaporation side tube plate, a evaporation side refrigerating medium outlet, an evaporating tube bundle, a baffle plate, an evaporation side refrigerating medium inlet and an exhaust tube. The beneficial effect of the invention is that an independent condenser and an independent dry evaporator are integrated in a cylinder; structure is compact, the volume is small; 20% of pipelines, valve members and raw materials are saved. Therefore 10% of pressure drop is reduced; leakage points are reduced; and 8% of energy efficiency is improved. The device is economical and efficient.

Description

Integrated condensation dry evaporator device and using method
Technical field
The present invention relates to a kind of heat exchange container device in refrigerated air-conditioning system, particularly relate to a kind of integrated condensation dry evaporator device and using method in refrigerated air-conditioning system.
Background technology
Critical piece in the refrigerated air-conditioning system comprises: compressor, oil eliminator, condenser, reservoir, expansion valve, pipeline and control panels such as evaporimeter.Its kind of refrigeration cycle process is that cold-producing medium and the refrigeration oil gas phase mixture of high pressure superheater that compressor is discharged carries out after gas-liquid two-phase separates through oil eliminator, cold-producing medium enters in the condenser again and is condensed into high-pressure sub-cooled liquid by the heat absorption of normal temperature refrigerating medium, change into the low area overheat steam and sucked by compressor through putting hot gas by the normal temperature refrigerating medium in evaporimeter after the expansion valve throttling again, circulation realizes process of refrigerastion and so forth.Wherein condenser and evaporimeter are to the energy-saving and cost-reducing central role that plays key of whole refrigeration air-conditioner.
In refrigerated air-conditioning system, current techique is to adopt independent condenser and dry evaporator at present, and overall structure is loose, and the manufacturing cost height is uneconomical, and is not energy-conservation; Valve member is provided with more, and leak source increases, and cold-producing medium leaks serious, contaminated environment; The pipe-line system complexity, pressure drop increases, and causes efficiency to reduce.
Summary of the invention
Energy-conservation and environment-friendly products will be the directions of market development, therefore be necessary condenser and dry evaporator redesigned and integrate in refrigerated air-conditioning system to optimize structure to improve efficiency.It is purpose of the present invention that a kind of integrated condensation dry evaporator device that uses in refrigerated air-conditioning system is provided.Technical scheme of the present invention is: be will be with the cold-producing medium and the refrigeration oil gas phase mixture of high pressure superheater in same cylinder, vapor phase refrigerant directly be condensed into supercooled liquid; To in same cylinder, liquid refrigerant be flashed to hot gaseous fully; Realize refrigeration simultaneously and heat process.Technical scheme of the present invention is come specific implementation by following technical measures, a kind of integrated condensation dry evaporator device that in refrigerated air-conditioning system, uses, it is characterized in that it is by cylinder, air inlet pipe, the condensation tube bank, support plate, the liquid outlet of cold-producing medium, the import of condensation side refrigerating medium, the condensation side tube sheet, the outlet of condensation side refrigerating medium, double-deck demarcation strip, feed tube, bobbin carriage, the evaporation side tube sheet, the outlet of evaporation side refrigerating medium, steam-generating bank, deflection plate, the import of evaporation side refrigerating medium, form with escape pipe, wherein: the double-deck demarcation strip that two width are slightly smaller than the cylinder interior diameter is vertically mounted on the centre of horizontal steel cylinder along its length, fixing between the double-deck demarcation strip with several gusset welding, spacing is 20mm-60mm between the double-deck demarcation strip, four long sides of double-deck demarcation strip and the welding of cylinder madial wall be sealing and fixing also, make form in the cylinder about two heat exchanger chambeies independently, the left side is a condensation chamber, the right side is evaporation cavity (seeing accompanying drawing 1).Array condensation tube bank and steam-generating bank are arranged be arranged in the cylinder two independently in the heat exchanger chamber by equilateral triangle, and wherein Zuo Ce condensation chamber connects with the air inlet pipe on cylinder top and communicates, and the bottom of condensation chamber is provided with the cold-producing medium liquid state and exports; On the cylinder right side is that semicircular two bobbin carriages are installed on the semicircle evaporation side tube sheet of evaporation cavity two ends with axial cross section, and the axial outer end face of an end bobbin carriage communicates with the feed tube connection, and the axial outer end face of other end bobbin carriage communicates with the escape pipe connection; Condensation tube bank and steam-generating bank are fixed with semicircle condensation side tube sheet in two ends and evaporation tube sheet side expanded joint respectively, intrafascicular of condenser pipe supports with support plate, that arrange the non-full circle of several piece along the length direction of steam-generating bank and be enclosed within deflection plate outside the steam-generating bank, the scarce circular portion of the deflection plate of non-full circle intersect up and down or about intersect, be spaced, make the evaporation side refrigerating medium through having improved the outer hotting mask coefficient of pipe behind the baffling; The condensation side refrigerating medium is imported and exported the same end that is separately positioned on the cylinder left side, perhaps is separately positioned on the left and right two ends in cylinder left side; The evaporation side refrigerating medium is imported and exported the side, left and right two ends that is separately positioned on the cylinder upper right side.
The using method of the integrated condensation dry evaporator device of the present invention is: the cold-producing medium of high pressure superheater and refrigeration oil gas phase mixture are entered in the condensation chamber in cylinder left side by air inlet pipe, vapor phase refrigerant is uniformly distributed in the condensation tube bank with constant flow velocity, after the heat exchange of condensation side refrigerating medium, make vapor phase refrigerant and refrigeration oil mixture directly be condensed into supercooled liquid, and the liquid outlet of the cold-producing medium bottom condensation chamber enters the expansion valve throttling, low-pressure gas-liquid refrigerant mixture after the throttling enters even separatory in the one end bobbin carriage of cylinder right side by feed tube, the gas-liquid refrigerant mixture is assigned in the every steam-generating bank uniformly, and with the left side of cylinder upper right side, the evaporation side refrigerating medium of side, right two ends carries out heat exchange, make the gas-liquid cold-producing medium flash to hot gaseous fully, and the escape pipe that communicates by the connection of other end bobbin carriage enter compressor along the length direction in the steam-generating bank.
The double-deck demarcation strip that two width described in the device of the present invention are slightly smaller than the cylinder interior diameter along its length or level be installed in the centre of horizontal steel cylinder, fixing between the double-deck demarcation strip with several gusset welding, spacing is 20mm-60mm between the double-deck demarcation strip, four long sides of double-deck demarcation strip and the welding of cylinder madial wall be sealing and fixing also, make to form independently heat exchanger chamber, two of top and the bottom in the cylinder, top is that condensation chamber, bottom are evaporation cavity.
The invention has the beneficial effects as follows, integrated condensation dry evaporator device is incorporated into independent condenser and two heat exchange equipment devices of dry evaporator in the same cylinder, replace original two heat exchange equipments with a heat exchange equipment, compact overall structure, volume reduces, and has saved 20% pipeline, valve member and raw material.Fall thereby can reduce by 10% pressure, reduce leakage point, improve 8% efficiency.
Description of drawings
The radial section structural representation of Fig. 1, the integrated condensation dry evaporator device of the present invention embodiment.
The horizontal axis cross-sectional view of Fig. 2, the integrated condensation dry evaporator device of the present invention embodiment.
The meaning that each legend mark is expressed as follows respectively in the accompanying drawing:
1----cylinder, 2----air inlet pipe, 3----condensation tube bank,
The liquid outlet of 4----support plate, 5---cold-producing medium, the import of 6----condensation side refrigerating medium,
The outlet of 7----condensation side tube sheet, 8----condensation side refrigerating medium, the double-deck demarcation strip of 9----,
10----feed tube, 11----bobbin carriage 12----evaporation side tube sheet,
The outlet of 13----evaporation side refrigerating medium, 14----steam-generating bank, the 15----deflection plate,
The import of 16----evaporation side refrigerating medium, 17----escape pipe,
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples:
Present embodiment is that a kind of thermic load amount that is applied in is 530kW, refrigerating capacity is 470kW, model is the integrated condensation dry evaporator device that uses in the ELNRGZ470H refrigerated air-conditioning system, it is by cylinder 1, air inlet pipe 2, condensation tube bank 3, support plate 4, the liquid outlet 5 of cold-producing medium, condensation side refrigerating medium import 6, condensation side tube sheet 7, condensation side refrigerating medium outlet 8, double-deck demarcation strip 9, feed tube 10, bobbin carriage 11, evaporation side tube sheet 12, evaporation side refrigerating medium outlet 13, steam-generating bank 14, deflection plate 15, evaporation side refrigerating medium import 16, form with escape pipe 17, each parts is pressed accompanying drawing 1,2 structures that provide install, wherein: the external diameter of cylinder 1 is Φ 466mm, length is 2400mm, adopts steel plate to roll and forms; The double-deck demarcation strip 9 that two width are slightly smaller than cylinder 1 interior diameter is vertically mounted on the centre of horizontal steel cylinder 1 along its length, fixing between the double-deck demarcation strip 9 with several gusset welding, spacing is 40mm between the double-deck demarcation strip 9, four long sides of double-deck demarcation strip 9 and the welding of cylinder 1 madial wall be sealing and fixing also, make form in the cylinder 1 about two heat exchanger chambeies independently, the left side is that condensation chamber, right side are evaporation cavity (seeing accompanying drawing 1).Array condensation tube bank 3 and steam-generating bank 14 are arranged be arranged in the cylinder 1 two independently in the heat exchanger chamber by equilateral triangle, wherein Zuo Ce condensation chamber is that 2 connections of Φ 76mm air inlet pipe communicate with the external diameter on cylinder 1 top, and it is the liquid outlet 5 of Φ 38mm cold-producing medium that the bottom of condensation chamber is provided with external diameter; On cylinder 1 right side is that semicircular two bobbin carriages 11 are installed on the semicircle evaporation side tube sheet 12 of evaporation cavity two ends with axial cross section, the axial outer end face of one end bobbin carriage 11 is that 10 connections of Φ 38mm feed tube communicate with external diameter, and the axial outer end face of other end bobbin carriage 11 is that 17 connections of Φ 89mm escape pipe communicate with external diameter; Condensation tube bank 3 and steam-generating bank 14 are fixed with semicircle condensation side tube sheet 7 in two ends and evaporation tube sheet 12 side expanded joints respectively, support with support plate 4 in the middle of the condensation tube bank 3, that arrange the non-full circle of several piece along the length direction of steam-generating bank 14 and be enclosed within deflection plate 15 outside the steam-generating bank 14, the scarce circular portion of the deflection plate 15 of non-full circle transpostion interval 190mm is up and down arranged, and makes the evaporation side refrigerating medium through having improved the outer hotting mask coefficient of pipe behind the baffling; Condensation side refrigerating medium import and export 6,8 are separately positioned on the left and right two ends in cylinder 1 left side; Evaporation side refrigerating medium import and export 10,17 are separately positioned on the side, left and right two ends of cylinder 1 upper right side.
The using method of this present embodiment is: the cold-producing medium of high pressure superheater and refrigeration oil gas phase mixture are entered in the condensation chamber in cylinder 1 left side by air inlet pipe 2, vapor phase refrigerant is uniformly distributed in the condensation tube bank 3 with constant flow velocity, after the heat exchange of condensation side refrigerating medium, make vapor phase refrigerant and refrigeration oil mixture directly be condensed into supercooled liquid, and the liquid outlet 5 of the cold-producing medium bottom condensation chamber enters the expansion valve throttling, low-pressure gas-liquid refrigerant mixture after the throttling enters even separatory in the one end bobbin carriage 11 of cylinder 1 right side by feed tube 10, the gas-liquid refrigerant mixture is assigned in the every steam-generating bank 14 uniformly, and with the left side of cylinder upper right side, the evaporation side refrigerating medium of side, right two ends carries out heat exchange, make gas-liquid cold-producing medium length direction of 14 in the steam-generating bank flash to hot gaseous fully, and connect the escape pipe 17 that communicates by other end bobbin carriage 11 and enter compressor.
This present embodiment compact overall structure, volume reduces, and has saved 20% pipeline, valve member and raw material.Reduce by 10% pressure and fall, reduce leakage point, improve 8% efficiency.

Claims (4)

1. a kind of integrated condensation dry evaporator device that in refrigerated air-conditioning system, uses, it is characterized in that it is by cylinder, air inlet pipe, the condensation tube bank, support plate, the liquid outlet of cold-producing medium, the import of condensation side refrigerating medium, the condensation side tube sheet, the outlet of condensation side refrigerating medium, double-deck demarcation strip, feed tube, bobbin carriage, the evaporation side tube sheet, the outlet of evaporation side refrigerating medium, steam-generating bank, deflection plate, import of evaporation side refrigerating medium and escape pipe are formed, wherein: the double-deck demarcation strip that two width are slightly smaller than the cylinder interior diameter is vertically mounted on the centre of horizontal steel cylinder along its length, four long sides of double-deck demarcation strip and the welding of cylinder madial wall be sealing and fixing also, make form in the cylinder about two heat exchanger chambeies independently, the left side is a condensation chamber, the right side is an evaporation cavity.Array condensation tube bank and steam-generating bank are arranged be arranged in the cylinder two independently in the heat exchanger chamber by equilateral triangle, and wherein Zuo Ce condensation chamber connects with the air inlet pipe on cylinder top and communicates, and the bottom of condensation chamber is provided with the cold-producing medium liquid state and exports; On the cylinder right side is that semicircular two bobbin carriages are installed on the semicircle evaporation side tube sheet of evaporation cavity two ends with axial cross section, and the axial outer end face of an end bobbin carriage communicates with the feed tube connection, and the axial outer end face of other end bobbin carriage communicates with the escape pipe connection; Condensation tube bank and steam-generating bank are fixed with semicircle condensation side tube sheet in two ends and evaporation tube sheet side expanded joint respectively, intrafascicular of condenser pipe supports with support plate, that arrange the non-full circle of several piece along the length direction of steam-generating bank and be enclosed within deflection plate outside the steam-generating bank, the scarce circular portion of the deflection plate of non-full circle intersects up and down or left and right sides transpostion interval is arranged, the condensation side refrigerating medium is imported and exported the same end that is separately positioned on the cylinder left side, perhaps is separately positioned on the left and right two ends in cylinder left side; The evaporation side refrigerating medium is imported and exported the side, left and right two ends that is separately positioned on the cylinder upper right side.
2. a kind of integrated condensation dry evaporator device according to claim 1 is characterized in that fixing with several gusset welding between the described double-deck demarcation strip, and spacing is 20mm-60mm between the double-deck demarcation strip.
3. a kind of integrated condensation dry evaporator device according to claim 1, it is characterized in that described double-deck demarcation strip along its length or level be installed in the centre of horizontal steel cylinder, make to form independently heat exchanger chamber, two of top and the bottom in the cylinder, top is that condensation chamber, bottom are evaporation cavity.
4. the using method of an above-mentioned integrated condensation dry evaporator device, the cold-producing medium and the refrigeration oil gas phase mixture that it is characterized in that high pressure superheater are entered in the condensation chamber in cylinder left side by air inlet pipe, vapor phase refrigerant is uniformly distributed in the condensation tube bank with constant flow velocity, after the heat exchange of condensation side refrigerating medium, make vapor phase refrigerant and refrigeration oil mixture directly be condensed into supercooled liquid, and the liquid outlet of the cold-producing medium bottom condensation chamber enters the expansion valve throttling, low-pressure gas-liquid refrigerant mixture after the throttling enters even separatory in the one end bobbin carriage of cylinder right side by feed tube, the gas-liquid refrigerant mixture is assigned in the every steam-generating bank uniformly, and with the left side of cylinder upper right side, the evaporation side refrigerating medium of side, right two ends carries out heat exchange, make the gas-liquid cold-producing medium flash to hot gaseous fully, and the escape pipe that communicates by the connection of other end bobbin carriage enter compressor along the length direction in the steam-generating bank.
CN 201010586477 2010-12-13 2010-12-13 Integrated condensing dry evaporator device and use method thereof Active CN102080901B (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104154679A (en) * 2014-07-07 2014-11-19 浙江理工大学 Super cooling and supper heating dry type evaporator
CN104165533A (en) * 2014-07-23 2014-11-26 合肥通用机械研究院 Piping structure suitable for heat exchanger with phase change
CN104457041A (en) * 2014-12-08 2015-03-25 成都锦汇科技有限公司 Evaporative condenser for water-cooled chiller
CN112165839A (en) * 2020-10-23 2021-01-01 华南理工大学 Heat dissipation system of electrical equipment

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Publication number Priority date Publication date Assignee Title
CN2077739U (en) * 1990-12-06 1991-05-29 武汉冷冻机厂 Horizontal high efficiency tube array condensation evaporator
JPH11325787A (en) * 1998-05-08 1999-11-26 Hitachi Ltd Shell and tube heat exchanger
JP2004092928A (en) * 2002-08-29 2004-03-25 Mitsubishi Heavy Ind Ltd Condenser and refrigerating machine
JP2007212091A (en) * 2006-02-10 2007-08-23 Hitachi Ltd Shell-and-tube type condenser
CN201209982Y (en) * 2008-05-13 2009-03-18 上海环球制冷设备有限公司 Thermal recovery type condenser apparatus
CN201583063U (en) * 2009-12-11 2010-09-15 上海环球制冷设备有限公司 Directional flow efficient condenser device
CN201589466U (en) * 2009-12-11 2010-09-22 上海环球制冷设备有限公司 Purely reverse-flow dry evaporator device
CN201945090U (en) * 2010-12-13 2011-08-24 上海环球制冷设备有限公司 Integrated condensing dry evaporator device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2077739U (en) * 1990-12-06 1991-05-29 武汉冷冻机厂 Horizontal high efficiency tube array condensation evaporator
JPH11325787A (en) * 1998-05-08 1999-11-26 Hitachi Ltd Shell and tube heat exchanger
JP2004092928A (en) * 2002-08-29 2004-03-25 Mitsubishi Heavy Ind Ltd Condenser and refrigerating machine
JP2007212091A (en) * 2006-02-10 2007-08-23 Hitachi Ltd Shell-and-tube type condenser
CN201209982Y (en) * 2008-05-13 2009-03-18 上海环球制冷设备有限公司 Thermal recovery type condenser apparatus
CN201583063U (en) * 2009-12-11 2010-09-15 上海环球制冷设备有限公司 Directional flow efficient condenser device
CN201589466U (en) * 2009-12-11 2010-09-22 上海环球制冷设备有限公司 Purely reverse-flow dry evaporator device
CN201945090U (en) * 2010-12-13 2011-08-24 上海环球制冷设备有限公司 Integrated condensing dry evaporator device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104154679A (en) * 2014-07-07 2014-11-19 浙江理工大学 Super cooling and supper heating dry type evaporator
CN104154679B (en) * 2014-07-07 2016-04-13 浙江理工大学 One crosses cold overheated dry evaporator
CN104165533A (en) * 2014-07-23 2014-11-26 合肥通用机械研究院 Piping structure suitable for heat exchanger with phase change
CN104457041A (en) * 2014-12-08 2015-03-25 成都锦汇科技有限公司 Evaporative condenser for water-cooled chiller
CN112165839A (en) * 2020-10-23 2021-01-01 华南理工大学 Heat dissipation system of electrical equipment
CN112165839B (en) * 2020-10-23 2021-07-02 华南理工大学 Heat dissipation system of electrical equipment

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