CN104634007A - Liquid leakage device and heat exchanger with gas-liquid separation function - Google Patents
Liquid leakage device and heat exchanger with gas-liquid separation function Download PDFInfo
- Publication number
- CN104634007A CN104634007A CN201410840881.8A CN201410840881A CN104634007A CN 104634007 A CN104634007 A CN 104634007A CN 201410840881 A CN201410840881 A CN 201410840881A CN 104634007 A CN104634007 A CN 104634007A
- Authority
- CN
- China
- Prior art keywords
- header
- dividing plate
- heat exchanger
- leakage device
- movable
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
Abstract
The invention discloses a liquid leakage device which comprises a fixed pored separation plate, a movable liquid separation plate and a slotted round plate. The fixed pored separation plate is fixed on the inner side wall of a header, the slotted round plate is fixed on the inner side wall of the header, and the movable liquid separation plate is movably arranged in the header and located between the fixed pored separation plate and the slotted round plate; at least one through hole is formed in the fixed pored separation plate, at least one liquid separation hole is formed in the movable liquid separation plate, penetrating slotted holes are formed in the slotted round plate, a spring is connected between the movable liquid separation plate and the slotted round plate, and the spring is used for pushing the movable liquid separation plate to the position below the fixed pored separation plate. The invention further discloses a heat exchanger with a gas-liquid separation function. The liquid leakage device and the heat exchanger have the advantages that the heat exchanger can be used as a condenser or an evaporator, effective gas-liquid separation can be achieved in the heat exchanging process of refrigerants, the performance of the heat exchanger is improved, and the heat exchanger has high engineering application value.
Description
[technical field]
The present invention relates to field of heat exchange equipment, especially a kind of liquid leakage device and there is the heat exchanger of gas-liquid separating function.
[background technology]
Heat exchanger carries out the significant element equipment of heat exchange as two media, is widely used in the industries such as energy resource system, power engineering, chemical industry, petrochemical industry, food and refrigeration air-conditioner.In a refrigerated air-conditioning system, condenser and evaporimeter are two important heat transmission equipments, and its heat exchange efficiency directly has influence on the performance of system.When cold-producing medium carries out condensation heat transfer at condenser, the cold-producing medium of liquid constantly accumulates, and its liquid film formed constantly thickens, by the condensation having a strong impact on steam; When cold-producing medium carries out explosive evaporation heat exchange at evaporimeter, the cold-producing medium of gas phase constantly accumulates, and when running up to a certain degree, the boiling heat transfer efficiency of liquid refrigerant also can reduce, and along with the increase of gas mass dryness fraction, the pressure drop gradient of cold-producing medium can be larger.Publication number is that the Chinese invention patent application of CN101025340A discloses a kind of multi-stage cooling middle liquid-separation air condensator, and it, by multistage middle liquid division type cooling, improves the mass dryness fraction of each flow process refrigerant inlet, enhance in-tube condensation heat-transfer effect.Although this heat exchanger is as obtaining a good heat exchange property during condenser, but due to the restriction of its structure, it cannot directly use as an evaporimeter, above-mentioned heat exchanger the problem that cold-producing medium runs in evaporation process can not be solved, so cannot be applied in the middle of heat pump type air conditioning system simultaneously.
[summary of the invention]
The object of the invention is to the deficiency existed for the above prior art, provide a kind of structure simple, effectively can improve the liquid leakage device of the performance of heat exchanger.
Another object of the present invention is to provide a kind of heat exchanger with gas-liquid separating function that above-mentioned liquid leakage device is housed.
To achieve these goals, the present invention is achieved in that a kind of liquid leakage device, comprise fixing perforate dividing plate, movable separatory dividing plate and fluting plectane, described fixing perforate dividing plate is fixed on header madial wall, described fluting plectane is fixed on described header madial wall, described movable separatory dividing plate is movably arranged in the header between described fixing perforate dividing plate and described fluting plectane, described fixing perforate dividing plate arranges a minimum through hole, described movable separatory dividing plate arranges a minimum point of fluid apertures, described fluting plectane is provided with the slotted eye run through, linking springs between described movable separatory dividing plate and fluting plectane, described spring is used for described movable separatory dividing plate top below described fixing perforate dividing plate, and movable separatory dividing plate is slided up and down.
Perforate on described fixing perforate dividing plate and movable separatory dividing plate is arranged for mutually staggering with point fluid apertures, with device realization keying function.
The aperture of described fixing perforate dividing plate is 2.5-3.5mm.
About large 3 times of the aperture score fluid apertures of described slotted eye, can make separatory efficiency and effect reach best.
The diameter of described point of fluid apertures is 1-1.5mm.
The density of described movable separatory dividing plate is less than working medium density, its external diameter 0.1mm about less of header internal diameter, when keeping freely activity, prevents gas leak phenomenon.
There is the heat exchanger of gas-liquid separating function, comprise the first header, the second header, some heat exchanger tubes and liquid leakage device, described first header and the second header are arranged on heat exchanger tube both sides respectively, some heat exchanger tubes are arranged between described first header and the second header, and described heat exchanger tube is communicated with the second header inside with described first header; Described liquid leakage device is arranged in described first header and the second header, by described first header and the some gas-liquid separation flow processs of the second header separate layer.
Described first header is connected exhaust branch pipe with on the second header, and described exhaust branch pipe is connected with exhaust header, and described exhaust header is connected with each gas-liquid separation flow process by exhaust branch pipe; Described exhaust branch pipe installs magnetic valve.
Described first header upper end is connected with air inlet pipe, and described first header lower end is connected with drain pipe.
Compared with prior art, Advantageous Effects of the present invention is: can use as condenser or evaporimeter simultaneously, and can allow cold-producing medium in heat transfer process, realize effective gas-liquid separation, improve the performance of heat exchanger, there is higher engineer applied and be worth.
[accompanying drawing explanation]
Fig. 1 the present invention has the structural scheme of mechanism of the heat exchanger of gas-liquid separating function;
The structural scheme of mechanism that the heat exchanger that Fig. 2 the present invention has gas-liquid separating function uses as condenser;
The structural scheme of mechanism that the heat exchanger that Fig. 3 the present invention has gas-liquid separating function uses as evaporimeter;
Fig. 4 is liquid leakage device closed condition three-dimensional structure diagram of the present invention;
Fig. 5 is liquid leakage device opening three-dimensional structure diagram of the present invention.
[detailed description of the invention]
Below in conjunction with the drawings and specific embodiments, explanation is described in detail to the present invention.
A kind of liquid leakage device, as illustrated in figures 4-5, it comprises fixing perforate dividing plate 81, movable separatory dividing plate 82 and fluting plectane 84, described fixing perforate dividing plate 81 is fixed on header 4 madial wall, described fluting plectane 84 is fixed on the madial wall of described header 4, described movable separatory dividing plate 82 is movably arranged in the header 4 between described fixing perforate dividing plate 81 and described fluting plectane 84, described fixing perforate dividing plate 81 arranges some through holes, described movable separatory dividing plate 82 arranges some points of fluid apertures, described fluting plectane 84 is provided with liquid is flowed in described header 4 run through slotted eye, linking springs 83 between described movable separatory dividing plate 82 and fluting plectane 84, described spring 83 pushes up to described fixing perforate dividing plate 81 for making movable separatory dividing plate 82, described movable separatory dividing plate 82 can in described fixing perforate dividing plate 81 slid underneath, and can not vapour be leaked.
A kind of liquid leakage device of the present invention has keying function, and it comprises fixing perforate dividing plate 81, movable separatory dividing plate 82, spring 83, fluting plectane 84.The ad-hoc location that perforate dividing plate 81 is fixed on described header 4 inside fixed by fixing separatory dividing plate, its diameter is equal with header 4 internal diameter, described fixing perforate dividing plate 81 dividing plate is provided with several through holes, its aperture is greater than the aperture of point fluid apertures on movable separatory dividing plate 82, so just can make liquid vapour mixture promotion activity separatory dividing plate 82.Described fluting plectane 83 is fixed on that header 4 is inner, and its diameter is equal with header internal diameter, it is opened run through slotted eye compared with books circulation area.Described movable separatory dividing plate 82 bottom is connected to spring 83, and described spring 83 is connected to again fluting plectane 84 top, and three is connected.The diameter of described movable separatory dividing plate 82 is substantially identical with header 4 internal diameter, but it is inner not to be fixed on header 4, and it can slide up and down in header 4 inside according to the flexible situation of spring 83.Described movable separatory dividing plate 82 also there is several point of fluid apertures, the position of described point of fluid apertures and the lead to the hole site of fixing perforate dividing plate 81 inconsistent, namely staggering with the lead to the hole site of fixing perforate dividing plate 81, there is not overlapping overlapping region in the hole on described movable separatory dividing plate 82 and fixing perforate dividing plate 81.When the lower surface of fixing perforate dividing plate 81 engages with the upper surface of movable separatory dividing plate 82, be in closed condition, when separating with the upper surface of movable separatory dividing plate 82 when the lower surface of fixing perforate dividing plate 81, a point fluid apertures for described movable separatory dividing plate 82 is communicated with the slotted eye of grooved plectane 84, is in channel status.Preferably, about large 3 times of the aperture score fluid apertures of described slotted eye, while guarantee separatory effect, can not cause retardance.The diameter of described point of fluid apertures is 1-1.5mm, and preferentially, the diameter of point fluid apertures is 1.3mm.The density of described movable separatory dividing plate 82 is less than working medium density, its external diameter 0.1mm about less of header internal diameter.Distance between described perforate dividing plate 81 and fluting plectane 84 is 1.5-2cm, and described movable separatory dividing plate 82 has the sliding distance of 1-1.5cm.
There is the heat exchanger of gas-liquid separating function, as shown in Figure 1, comprise the first header 41, second header 42, some heat exchanger tubes 3 and liquid leakage device 8, described first header 41 and the second header 42 are arranged on heat exchanger tube 3 both sides respectively, some heat exchanger tubes 3 are arranged between described first header 41 and the second header 42, and described heat exchanger tube 3 is communicated with the second header 42 inside with described first header 41.Described liquid leakage device 8 is arranged in described first header 41 and the second header 42, by described first header 41 and the some gas-liquid separation flow processs of the second header 42 separate layer.Described first header 41 is connected exhaust branch pipe 5 with on the second header 42, and described exhaust branch pipe 5 is connected with exhaust header 7, and described exhaust header 7 is connected with each gas-liquid separation flow process by exhaust branch pipe 5.Described exhaust branch pipe 5 installing magnetic valve 6, opening for controlling.Described first header 41 upper end is connected with air inlet pipe 1, and described first header 41 lower end is connected with drain pipe 2.Described first header 41 and the second header 42 are vertically arranged in heat exchanger tube 3 both sides, and described air inlet pipe 1 and drain pipe 2 can respectively connected the first header 41 top and the second header 42 bottom.Liquid leakage device able to turn on or off 8 is arranged on the first header 41 described in both sides and the second header 42 is inner.The entrance location of described exhaust branch pipe 5 is positioned at the below of corresponding liquid leakage device 8 and the top of heat exchanger tube 3 import department, and the outlet of described exhaust branch pipe 5 is connected to (arm except the top) on exhaust header 7.Described magnetic valve can its open and-shut mode of manual control.When heat exchanger is as valve closing during condenser working, as valve opening during evaporimeter.Wherein, described liquid leakage device 8 is the setting that is staggered in described first header 41 and the second header 42, so that form some gas-liquid separation flow processs.
Heat exchanger of the present invention can use as condenser and evaporimeter simultaneously, and operationally has the function of gas-liquid separation, and heat exchanger is operationally vertical placement.For clearer explanation, heat exchanger is divided to set forth action principle of the present invention and course of action as when condenser and evaporimeter below.
When heat exchanger is as condenser, vapor phase refrigerant enters heat exchanger from air inlet pipe 1, and the cold-producing medium being finally condensed into liquid flows out from drain pipe 2.The flow process of cold-producing medium as shown in Figure 2.In condensing heat-exchange process, cold-producing medium flows from top to bottom, and in off position, exhaust branch pipe 5 and exhaust header 7 are equal to and are in off state magnetic valve 6 manual control on every root exhaust branch pipe 5.The pressure loss is had because cold-producing medium flows in heat exchanger tube, so after cold-producing medium flows to header, pressure above described fixing perforate dividing plate 81 is greater than the pressure below described movable separatory dividing plate 82, and cold-producing medium toward during current downflow also with impulse force, now cold-producing medium can overcome the pretightning force of spring 83, Compress Spring 83, movable separatory dividing plate 82 down slides, and fixing perforate dividing plate 81 and movable separatory dividing plate just form certain space.Cold-producing medium flows into from the hole of fixing perforate dividing plate 81, back down movable separatory dividing plate 82, wherein liquid refrigerant is flowed away by point fluid through-hole on separatory dividing plate 82 again, and forms liquid film, hinder steam through a point fluid through-hole, steam then flows in heat exchanger tube and proceeds condensing heat-exchange.Because the space between two pieces of dividing plates keeps being communicated with the space above fixing perforate dividing plate, so the pressure that the upper surface of movable separatory dividing plate 82 is subject to is greater than the pressure of lower surface all the time.In the process of cold-producing medium continuous-flow, spring 83 is compressed always, and whole liquid leakage device remains connected state.
When evaporimeter is as evaporimeter, the cold-producing medium of gas-liquid two-phase flows to heat exchanger from drain pipe 2, and the cold-producing medium finally flashing to gas flows out from escape pipe 1.The flow process of cold-producing medium as shown in Figure 5.In evaporation and heat-exchange process, cold-producing medium flows from the bottom up, and the magnetic valve 6 on all exhaust branch pipes 5 is in opening, and exhaust branch pipe 5 and exhaust header 6 are equal to and are in channel status.The pressure loss is had because cold-producing medium flows in heat exchanger tube, when heat exchanger uses as evaporimeter, pressure below movable separatory dividing plate 82 is greater than the pressure of top, add the effect of spring 83 pretightning force, the upper surface of the lower surface and movable separatory dividing plate 82 of now fixing perforate dividing plate 81 keeps fit-state, because the upper hole of two pieces of dividing plates does not have overlapping region, so whole liquid leakage device is in closed condition.After cold-producing medium flows to header from heat exchanger tube, because gas-liquid two-phase exists density contrast, gas is generally in the top of liquid, and the entrance location of exhaust branch pipe 5 is higher than the entrance location (arm except the top) of next tube side of cold-producing medium, so there is the some vapor in evaporation process can be flowed away by exhaust branch pipe 5, all the other cold-producing mediums then flow in the heat exchanger tube of next tube side and continue heat exchange.And be arranged in acting as of the arm (namely position is in the arm of the top) of exhaust header rearmost position, both sides and the steam in exhaust header 7 be discharged in header 4, so steam is different from the arm of its corresponding side-lower at the flow direction of the top arm.
More than describe preferred embodiment of the present invention in detail, should be appreciated that the ordinary skill of this area just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art according to the present invention's design on prior art basis by logic analysis, reasoning or according to the available technical scheme of limited experiment, all should by among the determined protection domain of these claims.
Claims (9)
1. a liquid leakage device, it is characterized in that, comprise fixing perforate dividing plate, movable separatory dividing plate and fluting plectane, described fixing perforate dividing plate is fixed on header madial wall, described fluting plectane is fixed on described header madial wall, described movable separatory dividing plate is movably arranged in the header between described fixing perforate dividing plate and described fluting plectane, described fixing perforate dividing plate arranges a minimum through hole, described movable separatory dividing plate arranges a minimum point of fluid apertures, described fluting plectane is provided with the slotted eye run through, linking springs between described movable separatory dividing plate and fluting plectane, described spring is used for described movable separatory dividing plate top below described fixing perforate dividing plate.
2. according to a kind of liquid leakage device according to claim 1, it is characterized in that, the perforate on described fixing perforate dividing plate and movable separatory dividing plate and point fluid apertures are mutually stagger to arrange.
3. according to a kind of liquid leakage device according to claim 2, it is characterized in that, the aperture of described fixing perforate dividing plate is 2.5-3.5mm.
4. according to a kind of liquid leakage device according to claim 1, it is characterized in that, about large 3 times of the aperture score fluid apertures of described slotted eye.
5. according to a kind of liquid leakage device according to claim 3, it is characterized in that, the diameter of described point of fluid apertures is 1-1.5mm.
6. according to a kind of liquid leakage device according to claim 3, it is characterized in that, the density of described movable separatory dividing plate is less than working medium density, its external diameter 0.1mm about less of header internal diameter.
7. there is the heat exchanger of gas-liquid separating function, comprise the first header, the second header, some heat exchanger tubes and as arbitrary in claim 1-6 as described in a kind of liquid leakage device, described first header and the second header are arranged on heat exchanger tube both sides respectively, some heat exchanger tubes are arranged between described first header and the second header, and described heat exchanger tube is communicated with the second header inside with described first header; It is characterized in that, described liquid leakage device is arranged in described first header and the second header, by described first header and the some gas-liquid separation flow processs of the second header separate layer.
8. according to the heat exchanger with gas-liquid separating function according to claim 7, it is characterized in that, described first header is connected exhaust branch pipe with on the second header, and described exhaust branch pipe is connected with exhaust header, and described exhaust header is connected with each gas-liquid separation flow process by exhaust branch pipe; Described exhaust branch pipe installs magnetic valve.
9. according to the heat exchanger with gas-liquid separating function according to claim 8, it is characterized in that, described first header upper end is connected with air inlet pipe, and described first header lower end is connected with drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410840881.8A CN104634007B (en) | 2014-12-26 | 2014-12-26 | Liquid leakage device and heat exchanger with gas-liquid separation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410840881.8A CN104634007B (en) | 2014-12-26 | 2014-12-26 | Liquid leakage device and heat exchanger with gas-liquid separation function |
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| Publication Number | Publication Date |
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| CN104634007A true CN104634007A (en) | 2015-05-20 |
| CN104634007B CN104634007B (en) | 2017-02-22 |
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| CN201410840881.8A Active CN104634007B (en) | 2014-12-26 | 2014-12-26 | Liquid leakage device and heat exchanger with gas-liquid separation function |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157441A (en) * | 2015-06-17 | 2015-12-16 | 广东工业大学 | Multi-tube-row integrated header automatic adjusting dispensing condenser |
| CN105716440A (en) * | 2015-12-18 | 2016-06-29 | 广东工业大学 | Plate type condenser with gas-liquid separation function |
| CN105910351A (en) * | 2016-06-06 | 2016-08-31 | 珠海格力电器股份有限公司 | Heat exchanger and air conditioner |
| CN106196749A (en) * | 2016-07-08 | 2016-12-07 | 南昌大学 | A kind of gas-liquid separated condenser |
| CN106679250A (en) * | 2017-03-06 | 2017-05-17 | 广东工业大学 | Gas-liquid separation device and condensation evaporator with gas-liquid separation function |
| CN106814770A (en) * | 2017-01-09 | 2017-06-09 | 上海汽车集团股份有限公司 | Diesel engine waste gas recycling system cooling s imulation device |
| CN106839829A (en) * | 2017-03-31 | 2017-06-13 | 仲恺农业工程学院 | Double-dryness shunts heat exchanging evaporator |
| CN108607979A (en) * | 2018-07-20 | 2018-10-02 | 盐城市诚益通机械制造有限责任公司 | A kind of machine-building casting device and pouring procedure |
| CN109900004A (en) * | 2019-02-20 | 2019-06-18 | 仲恺农业工程学院 | A kind of adjustable mass dryness fraction refrigeration system of the Two-stage Compression with injector |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157441A (en) * | 2015-06-17 | 2015-12-16 | 广东工业大学 | Multi-tube-row integrated header automatic adjusting dispensing condenser |
| CN105157441B (en) * | 2015-06-17 | 2017-08-01 | 广东工业大学 | Multitube row's integral type header automatically adjusts a point liquid condensing device |
| CN105716440A (en) * | 2015-12-18 | 2016-06-29 | 广东工业大学 | Plate type condenser with gas-liquid separation function |
| CN105910351A (en) * | 2016-06-06 | 2016-08-31 | 珠海格力电器股份有限公司 | Heat exchanger and air conditioner |
| CN106196749A (en) * | 2016-07-08 | 2016-12-07 | 南昌大学 | A kind of gas-liquid separated condenser |
| CN106196749B (en) * | 2016-07-08 | 2018-08-24 | 南昌大学 | A kind of gas-liquid separated condenser |
| CN106814770A (en) * | 2017-01-09 | 2017-06-09 | 上海汽车集团股份有限公司 | Diesel engine waste gas recycling system cooling s imulation device |
| CN106679250A (en) * | 2017-03-06 | 2017-05-17 | 广东工业大学 | Gas-liquid separation device and condensation evaporator with gas-liquid separation function |
| CN106839829A (en) * | 2017-03-31 | 2017-06-13 | 仲恺农业工程学院 | Double-dryness shunts heat exchanging evaporator |
| CN108607979A (en) * | 2018-07-20 | 2018-10-02 | 盐城市诚益通机械制造有限责任公司 | A kind of machine-building casting device and pouring procedure |
| CN109900004A (en) * | 2019-02-20 | 2019-06-18 | 仲恺农业工程学院 | A kind of adjustable mass dryness fraction refrigeration system of the Two-stage Compression with injector |
| CN109900004B (en) * | 2019-02-20 | 2024-03-26 | 仲恺农业工程学院 | Two-stage compression adjustable dryness refrigerating system with ejector |
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