CN202109704U - Integrated condensing flooded evaporator device - Google Patents

Integrated condensing flooded evaporator device Download PDF

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Publication number
CN202109704U
CN202109704U CN2010206569352U CN201020656935U CN202109704U CN 202109704 U CN202109704 U CN 202109704U CN 2010206569352 U CN2010206569352 U CN 2010206569352U CN 201020656935 U CN201020656935 U CN 201020656935U CN 202109704 U CN202109704 U CN 202109704U
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China
Prior art keywords
cylinder
condensation
flooded evaporator
air
length
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Expired - Lifetime
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CN2010206569352U
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Chinese (zh)
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 utility model relates to an integrated condensation flooded evaporator device. A single condenser and a single flooded evaporator are adopted by the general technology in the prior art. According to the technical scheme of the utility model, a condenser and a flooded evaporator are combined in the same cylinder. The integrated condensation flooded evaporator device comprises a cylinder, an air inlet pipe, a condensing pipe bundle, a condensing side supporting plate, a refrigerant liquid outlet, a condensing side pipe plate, a condensing side cooling medium inlet/outlet, a double-layer separation plate, a liquid inlet pipe, a dispenser, an evaporating pipe bundle, an evaporating side supporting plate, an oil return low interface, an oil return high interface, an air suction distributor, an air outlet pipe, an evaporating side cooling medium inlet/outlet and an evaporating side pipe plate. The device has the advantages that two heat exchanger devices, namely the single condenser and the single flooded evaporator, are integrated in the same cylinder. Therefore, the device is compact in structure, wherein pipelines, valves and raw materials are saved by 20 %. The device also lowers the pressure drop by 10 % and reduces leakage points. By utilizing the device, the energy efficiency is wholly improved by 8-10%, so that the economical and energy saving effect is realized.

Description

A kind of integrated condensation flooded evaporator device
Technical field
The utility model relates to a kind of heat exchange container device in refrigerated air-conditioning system, particularly relates to a kind of integrated condensation flooded evaporator device 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 passes through oil eliminator and carry out after gas-liquid two-phase separates; Cold-producing medium gets in the condenser again and is condensed into high-pressure sub-cooled liquid through the heat absorption of normal temperature refrigerating medium; Change into the low area overheat steam machine that is compressed and suck through in evaporimeter, putting hot gas through the normal temperature refrigerating medium after the expansion valve throttling again, so reciprocation cycle realizes process of refrigerastion.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 flooded evaporator at present, and overall structure is loose, and manufacturing cost is high, and is uneconomical, not energy-conservation; Valve member is provided with more, and leak source increases, and cold-producing medium leaks serious, contaminated environment; Pipe-line system is complicated, and pressure drop increases, and causes efficiency to reduce; Cross the overheated DeGrain of cold-peace.
Summary of the invention
Energy-conservation and environment-friendly products will be the directions of market development, therefore in refrigerated air-conditioning system, be necessary condenser and flooded evaporator designed again and integrate to optimize structure with the raising efficiency.It is the purpose of the utility model that a kind of integrated condensation flooded evaporator device that in refrigerated air-conditioning system, uses is provided.The technical scheme of the utility model 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 superheated fully; Realize refrigeration simultaneously and heat and the effective process of oil return.The concrete realization of the technical scheme of the utility model through following technical measures; A kind of integrated condensation flooded evaporator device that in refrigerated air-conditioning system, uses; It is characterized in that it hangs down interface, the high interface of oil return, air-breathing distributor, escape pipe, the import and export of evaporation side refrigerating medium and evaporation side tube sheet by the liquid outlet of cylinder, air inlet pipe, condensation tube bank, condensation side support plate, cold-producing medium, condensation side tube sheet, import and export of condensation side refrigerating medium, double-deck demarcation strip, feed tube, knockout, steam-generating bank, evaporation side support plate, oil return and form; 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 between the double-deck demarcation strip is 20mm-60mm; 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 of two of left and right sides in the cylinder, the left side is that condensation chamber, right side are 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 the condensation chamber in left side connects with the air inlet pipe on cylinder top and communicates, and the bottom of condensation chamber is provided with that cold-producing medium is liquid to be exported; The cross section is the below that trapezoidal knockout is installed in right side in the cylinder along its length; And the feed tube connection bottom passing the cylinder right side communicates; Form the branch sap cavity of a relative closure, this minute sap cavity length than the short 10-20% of the length of cylinder, on knockout is trapezoidal, be evenly equipped with a plurality of pilot holes on a plane and the skew back face; The 2-3 that these pilot hole cross section sums should be the feed tube latus rectums doubly; Cold-producing medium is uniformly distributed in the steam-generating bank with constant flow velocity along the length and the width on cylinder right side, and the cross section is the top that trapezoidal air-breathing distributor is installed in right side in the cylinder, and communicates with the escape pipe connection of the top of passing cylinder; The length of air-breathing distributor is identical with the length of cylinder, leaves suitable phase transformation gasification space between air-breathing distributor and the steam-generating bank; Be evenly distributed with a plurality of airflow holes on trapezoidal two inclined-planes of air-breathing distributor; The cross section sum of these airflow holes should be latus rectum 5-7 a times of escape pipe; In order that make the cold-producing medium after the gasification get into escape pipe equably by air-breathing distributor with lower flow velocity; The low interface of oil return is arranged in the liquid level oil slick layer on right side in the cylinder with the high interface of oil return, and no matter the liquid level oil slick layer that makes right side in the cylinder is that height can both timely and effective oil return or hang down; Condensation tube bank and steam-generating bank are fixed with semicircle condensation side tube sheet in two ends and evaporation side tube plate expanded-connecting respectively, and be middle with condensation side support plate and the support of evaporation side support plate; The condensation side refrigerating medium is imported and exported same end or the left and right two ends that are separately positioned on the cylinder left side, and the evaporation side refrigerating medium is imported and exported same end or the left and right two ends that are separately positioned on the cylinder right side.
The method for using of the integrated condensation flooded evaporator of the utility model device is: the cold-producing medium of high pressure superheater and refrigeration oil gas phase mixture are got 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; Super cooling effect through condensation side refrigerating medium heat exchange and evaporation cavity; Make vapor phase refrigerant and refrigeration oil mixture directly be condensed into supercooled liquid; And through the throttling of the liquid outlet entering of the cold-producing medium of condensation chamber bottom expansion valve; Low-pressure gas-liquid refrigerant mixture after the throttling gets into the knockout on cylinder right side by feed tube, and is uniformly distributed on the outer surface of steam-generating bank with constant flow velocity, through the heat effect of crossing of evaporation side refrigerating medium heat exchange and condensation chamber; Making the gas-liquid cold-producing medium get into the phase transformation gasification space fully gasifies; Cold-producing medium after the gasification is flowed to escape pipe equably and is got into compressor by the airflow hole on the air-breathing distributor, and refrigeration oil then forms liquid level oil slick layer in the process of boiling, get into compressor by the oil return interface through the high pressure injection.
The double-deck demarcation strip that two width described in the device of the utility model 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; Double-deck demarcation strip spacing is 20mm-60mm; Four long sides of double-deck demarcation strip and welding of cylinder madial wall and sealing and fixing make in the cylinder independently heat exchanger chamber, two of formation top and the bottom, and top is that condensation chamber, bottom are evaporation cavity.
The beneficial effect of the utility model is; Integrated condensation flooded evaporator device is incorporated into independent condenser and two heat exchange equipment devices of flooded 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, it is more obvious to cross cold effect, totally improves the 8-10% efficiency.
Description of drawings
The radial section structural representation of Fig. 1, the integrated condensation flooded evaporator of the utility model device embodiment.
The horizontal axis cross-sectional view of Fig. 2, the integrated condensation flooded evaporator of the utility model device embodiment.
Each legend mark is represented following meaning respectively in the accompanying drawing:
1----cylinder, 2----air inlet pipe, 3----condensation tube bank,
The liquid outlet of 4----condensation side support plate, 5----cold-producing medium, 6----condensation side tube sheet,
7----condensation side refrigerating medium is imported and exported, the double-deck demarcation strip of 8----, 9----feed tube,
10----knockout, 11---steam-generating bank, 12---evaporation side support plate,
Interface, the high interface of 14----oil return are hanged down in the 13----oil return, the air-breathing distributor of 15----,
16----escape pipe, 17----evaporation side refrigerating medium are imported and exported, 18----evaporation side tube sheet,
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified:
Present embodiment is that a kind of thermic load amount that is applied in is that 610kW, refrigerating capacity are 510kW; Model is the integrated condensation flooded evaporator device that uses in the ELNRMZ470H refrigerated air-conditioning system; It by the liquid outlet of cylinder 1, air inlet pipe 2, condensation tube bank 3, condensation side support plate 4, cold-producing medium 5, condensation side tube sheet 6, condensation side refrigerating medium import and export 7, the high interface of double-deck demarcation strip 8, feed tube 9, knockout 10, steam-generating bank 11, evaporation side support plate 12, the low interface 13 of oil return, oil return 14, air-breathing distributor 15, escape pipe 16, evaporation side refrigerating medium import and export 17 and evaporation side tube sheet 18 form; Each parts installs by the structure that accompanying drawing 1,2 provides; Wherein: the external diameter of cylinder 1 is Φ 516mm; Length is 3000mm, adopts steel plate to roll and forms; The vertical double-layer demarcation strip 8 that two width are slightly smaller than cylinder 1 interior diameter is installed in the centre of horizontal steel cylinder 1 along its length; Spacing is 40mm between the double-deck demarcation strip 8; Fixing with several gusset welding; Four long sides of double-deck demarcation strip 8 and welding of cylinder 1 madial wall and sealing and fixing make in the cylinder 1 independently heat exchanger chamber of two of formation left and right sides, and 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 11 are arranged be arranged in the cylinder 1 two independently in the heat exchanger chamber by equilateral triangle; Wherein the condensation chamber in left side 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; The cross section is the below that trapezoidal knockout 10 is installed in right side in the cylinder 1 along its length; And the external diameter bottom passing cylinder 1 right side is that 9 connections of Φ 38mm feed tube communicate; Form the branch sap cavity of a relative closure; This minute sap cavity length than the short 300mm of the length of cylinder 1; On knockout 10 is trapezoidal, be evenly equipped with a plurality of pilot holes on a plane and the skew back face, these pilot hole cross section sums should be 2.5 times of feed tube 9 latus rectums, and cold-producing medium is uniformly distributed in the steam-generating bank 11 with constant flow velocity along the length and the width on cylinder 1 right side; The cross section is the top that trapezoidal air-breathing distributor 15 is installed in right side in the cylinder 1; And be that Φ 89mm escape pipe 16 connects and communicates with the external diameter of the top of passing cylinder 1, the length of air-breathing distributor 15 is identical with the length of cylinder, leaves suitable phase transformation gasification space between air-breathing distributor 15 and the steam-generating bank 11; Be evenly distributed with a plurality of airflow holes on trapezoidal two inclined-planes of air-breathing distributor 15; The cross section sum of these airflow holes should be 6 times of the latus rectums of escape pipe 16; In order that make the cold-producing medium after the gasification get into escape pipe 16 equably by air-breathing distributor 15 with lower flow velocity; The low interface 13 of oil return is arranged in the liquid level oil slick layer on right side in the cylinder 1 with the high interface 14 of oil return, and no matter the liquid level oil slick layer that makes right side in the cylinder 1 is that height can both timely and effective oil return or low; Condensation tube bank 3 is fixed with evaporation side tube sheet 18 expanded joints with the semicircle condensation side tube sheet 6 in two ends respectively with steam-generating bank 11, and the centre is supported with condensation side and evaporation side support plate 4 and 12; The condensation side refrigerating medium is imported and exported 7 and is separately positioned on left and right two ends, cylinder 1 left side, and the evaporation side refrigerating medium is imported and exported 17 and is separately positioned on left and right two ends, cylinder 1 right side.
The 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, totally improve the 8-10% efficiency.

Claims (5)

1. a kind of integrated condensation flooded evaporator device that in refrigerated air-conditioning system, uses; It is characterized in that it hangs down interface, the high interface of oil return, air-breathing distributor, escape pipe, the import and export of evaporation side refrigerating medium and evaporation side tube sheet by the liquid outlet of cylinder, air inlet pipe, condensation tube bank, condensation side support plate, cold-producing medium, condensation side tube sheet, import and export of condensation side refrigerating medium, double-deck demarcation strip, feed tube, knockout, steam-generating bank, evaporation side support plate, oil return and form; Wherein: the double-deck demarcation strip of vertical or level that two width are slightly smaller than the cylinder interior diameter is installed in the centre of horizontal steel cylinder along its length; Fixing between the double-deck demarcation strip with several gusset welding; Four long sides of double-deck demarcation strip and the welding of cylinder madial wall be sealing and fixing also; Make and form independently heat exchanger chamber of two of left and right sides or top and the bottom in the cylinder; Left side or top are condensation chamber, and right side or bottom are 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; Wherein the condensation chamber on left side or top communicates with the air inlet pipe connection on cylinder top, and the bottom of condensation chamber is provided with the liquid outlet of cold-producing medium; The cross section is the below that trapezoidal knockout is installed in interior right side of cylinder or bottom along its length; And connect with the feed tube that passes cylinder right side or lower base and to communicate; Form the branch sap cavity of a relative closure; This minute, the length of sap cavity was shorter than the length of cylinder; On knockout is trapezoidal, be evenly equipped with a plurality of pilot holes on a plane and the skew back face, these pilot hole cross section sums should make cold-producing medium be uniformly distributed in the steam-generating bank with constant flow velocity along the length and the width of cylinder right side or bottom greater than the feed tube latus rectum; The cross section is the top that trapezoidal air-breathing distributor is installed in interior right side of cylinder or bottom; And connect with the escape pipe of the top of passing cylinder or bottom and to communicate, the length of air-breathing distributor is identical with the length of cylinder, leaves suitable phase transformation gasification space between air-breathing distributor and the steam-generating bank; Be evenly distributed with a plurality of airflow holes on trapezoidal two inclined-planes of air-breathing distributor; The cross section sum of these airflow holes should be greater than the latus rectum of escape pipe; Low interface of oil return and the high interface of oil return are arranged in the liquid level oil slick layer of interior right side of cylinder or bottom; Condensation tube bank and steam-generating bank are fixed with semicircle condensation side tube sheet in two ends and evaporation side tube plate expanded-connecting respectively, and be middle with condensation side and the support of evaporation side support plate; The condensation side refrigerating medium is imported and exported same end or the left and right two ends that are separately positioned on cylinder left side or top, and the evaporation side refrigerating medium is imported and exported same end or the left and right two ends that are separately positioned on cylinder right side or bottom.
2. a kind of integrated condensation flooded 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-40mm.
3. a kind of integrated condensation flooded evaporator device according to claim 1, the length of branch sap cavity that it is characterized in that the described relative closure of being made up of knockout and cylinder right side or bottom is than the short 10-20% of the length of cylinder.
4. a kind of integrated condensation flooded evaporator device according to claim 1 is characterized in that the pilot hole on the described knockout, and the 2-3 that these pilot hole cross section sums should be the feed tube latus rectums doubly.
5. a kind of integrated condensation flooded evaporator device according to claim 1 is characterized in that a plurality of airflow holes on the described air-breathing distributor, and the cross section sum of these airflow holes should be 5-7 a times of escape pipe latus rectum.
CN2010206569352U 2010-12-13 2010-12-13 Integrated condensing flooded evaporator device Expired - Lifetime CN202109704U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102052803A (en) * 2010-12-13 2011-05-11 上海环球制冷设备有限公司 Integrated condensing flooded evaporator device and using method thereof
CN108168354A (en) * 2018-01-29 2018-06-15 杭州中泰深冷技术股份有限公司 A kind of fluid-filling structure and its collection redistribution formula fin structure and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102052803A (en) * 2010-12-13 2011-05-11 上海环球制冷设备有限公司 Integrated condensing flooded evaporator device and using method thereof
CN108168354A (en) * 2018-01-29 2018-06-15 杭州中泰深冷技术股份有限公司 A kind of fluid-filling structure and its collection redistribution formula fin structure and method

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20120111

Effective date of abandoning: 20130227

RGAV Abandon patent right to avoid regrant