CN102967094A - Two-phase flow liquid storage flow stabilizer - Google Patents

Two-phase flow liquid storage flow stabilizer Download PDF

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Publication number
CN102967094A
CN102967094A CN2012105447949A CN201210544794A CN102967094A CN 102967094 A CN102967094 A CN 102967094A CN 2012105447949 A CN2012105447949 A CN 2012105447949A CN 201210544794 A CN201210544794 A CN 201210544794A CN 102967094 A CN102967094 A CN 102967094A
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liquid
phase flow
liquid storage
gas
flow
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CN2012105447949A
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Chinese (zh)
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祝长宇
丁式平
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Beijing Deneng Hengxin Technology Co Ltd
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Beijing Deneng Hengxin Technology Co Ltd
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Abstract

The invention provides a two-phase flow liquid storage flow stabilizer, which comprises a liquid storage tank, a refrigerant inflow port, a refrigerant outflow port and a gas-liquid two-phase flow distribution pipe in the liquid storage tank, wherein the liquid storage tank is a high-pressure-resistant sealed container, of which the outer surface is provided with a thermal insulating layer; two externally connected interfaces of the two-phase flow liquid storage flow stabilizer are the refrigerant inflow port and the refrigerant outflow port respectively; the gas-liquid two-phase flow distribution pipe is a straight pipe and mainly comprises two ports and a backflow hole in the gas-liquid two-phase flow distribution pipe; and the function of the two-phase flow liquid storage flow stabilizer is to store an actuating medium, realize gas-liquid separation of the actuating medium and reasonably set the flow ratio between a liquid actuating medium to a gas actuating medium in a circulation loop to form a stable actuating medium two-phase flow in the circulation loop.

Description

A kind of two-phase flow liquid storage flow straightener
Technical field
The present invention relates to a kind of device for storing liquid, be specifically related to a kind of two-phase flow liquid storage flow straightener.
Background technology
Compress in mechanism cold circulation and the heat pipe heat exchanging circulation in freezing and refrigeration, cryogenic refrigeration etc., fluid reservoir is one of refrigeration heat exchange annex of commonly using.Traditional liquid storage tank structure is simple, and performance is single, only has the liquid storage function.In the actual refrigeration and heat exchange, whole system is in cyclic process, cold-producing medium can not be stable supply with adjusting according to the evaporimeter of system and the demand of condenser, it is maximum to reach refrigeration and heat exchange efficiency, if can in refrigeration or heat exchange circulation, the circulation of cold-producing medium be a gas-liquid phase transition circulation, then refrigeration and heat exchange efficiency can improve a lot, therefore can seek a kind of mode or equipment, its liquid-working-medium in can the reasonable distribution closed circuit and the flow proportional of gas working dielectric are necessary to form stable working media two-phase flow in closed circuit.
Summary of the invention
The object of the present invention is to provide a kind of two-phase flow liquid storage flow straightener, solve the problems referred to above, not only can store working media, realize the gas-liquid separation of working media, liquid-working-medium in all right reasonable distribution closed circuit and the flow proportional of gas working dielectric are to form stable working media two-phase flow in closed circuit.
Technical solution problem of the present invention adopts following technical scheme:
A kind of two-phase flow liquid storage flow straightener, comprise fluid reservoir, cold-producing medium inflow port, cold-producing medium outflow port and be positioned at the gas-liquid two-phase flow pipe of fluid reservoir inside; Described fluid reservoir is the high-pressure-resistant sealed container that an outer surface is provided with thermal insulation layer; Two external interfaces of described two-phase flow liquid storage flow straightener are respectively the inflow port of cold-producing medium and the outflow port of cold-producing medium; Described gas-liquid two-phase flow pipe is a straight tube, and it mainly is made of two ports and the return port that is positioned on the gas-liquid two-phase flow pipe; A port of described gas-liquid two-phase flow pipe is connected in the cold-producing medium outflow port of described two-phase flow liquid storage flow straightener, and its another port is in the liquid level top of liquid refrigeration working medium in the two-phase flow liquid storage flow straightener; The return port of described gas-liquid two-phase flow pipe is in the liquid level bottom of liquid refrigeration working medium in the two-phase flow liquid storage flow straightener.
The quantity of the return port mesopore of the above gas-liquid two-phase flow pipe is a hole, or highly different a plurality of holes.
The return port of the above gas-liquid two-phase flow pipe be one along the backflow of duct orientation seam, it substitutes the effect of a plurality of return ports that distribute along the pipeline throughput direction.
The a small amount of gaseous state that flows in the above return port or the seam that refluxes or the flow of liquid refrigerant have its pore size and number or gap width and length to control, and namely the liquid refrigerant liquid level is just controlled the length of the number in the hole in the return port or the seam that refluxes in two-phase flow liquid storage flow straightener.
The present invention compared with prior art, simple for general liquid storage tank structure, performance is single, only has the liquid storage function, and the design by two-phase flow liquid storage flow straightener, two-phase flow liquid storage flow straightener not only can store working media, realize the gas-liquid separation of working media, liquid-working-medium in simultaneously can the reasonable distribution closed circuit and the flow proportional of gas working dielectric, in closed circuit, to form stable working media two-phase flow, improve operating efficiency and the practicality of refrigeration or heat-exchange system, and realized the stability of whole system circulation.
Description of drawings
Fig. 1 is the structural representation of two-phase flow liquid storage flow straightener.
Fig. 2 is the planar structure schematic diagram of the return port of two-phase flow pipe and the seam that refluxes.
Fig. 3 is the use principle figure of two-phase flow liquid storage flow straightener.
Among the figure: (1) fluid reservoir; (2) the inflow port of the cold-producing medium of two-phase flow liquid storage flow straightener; (3) outflow port of the cold-producing medium of two-phase flow liquid storage flow straightener; (4) gas-liquid two-phase flow pipe; (41) return port on the gas-liquid two-phase flow pipe; (42) ~ (43) two ports of gas-liquid two-phase flow pipe; (44) backflow seam; (5) circulating pump; (6) evaporimeter; (7) condenser; (8) compressor; (9) choke valve; (101) ~ (102) check valve.
The specific embodiment:
Also be described further by reference to the accompanying drawings below by embodiment.
The system and device agent structure that present embodiment relates to when realizing comprises fluid reservoir (1), the inflow port (2) of the cold-producing medium of two-phase flow liquid storage flow straightener, the outflow port (3) of the cold-producing medium of two-phase flow liquid storage flow straightener, gas-liquid two-phase flow pipe (4), return port (41) on the gas-liquid two-phase flow pipe, two ports (42) ~ (43) of gas-liquid two-phase flow pipe, seam (44) refluxes, circulating pump (5), evaporimeter (6), condenser (7), compressor (8), choke valve (9), check valve (101) ~ (102) and the gas-liquid delivery pipe that is communicated with demand.
A kind of two-phase flow liquid storage flow straightener as shown in Figure 1, comprise the cold-producing medium of fluid reservoir (1), two-phase flow liquid storage flow straightener inflow port (2), two-phase flow liquid storage flow straightener cold-producing medium outflow port (3) and be positioned at the gas-liquid two-phase flow pipe system (4) of fluid reservoir inside; Described fluid reservoir (1) is the high-pressure-resistant sealed container that an outer surface is provided with thermal insulation layer; Two external ports (2 that connect of described two-phase flow liquid storage flow straightener; 3), be respectively the outflow port (3) of inflow port (2) and the cold-producing medium of cold-producing medium; Described gas-liquid two-phase flow pipe (4) is a straight tube, and it is mainly by two ports (42; 43) and the return port (41) that is positioned on the gas-liquid two-phase flow pipe consist of; A port (43) of described gas-liquid two-phase flow pipe (4) is connected in the cold-producing medium outflow port (3) of described two-phase flow liquid storage flow straightener, and its another port (42) is in the liquid level top of liquid refrigeration working medium in the two-phase flow liquid storage flow straightener; The return port (41) of described gas-liquid two-phase flow pipe (4) is in the liquid level bottom of liquid refrigeration working medium in the two-phase flow liquid storage flow straightener; Cold-producing medium enters in the fluid reservoir (4) from the inflow port (2) of the cold-producing medium of two-phase flow liquid storage flow straightener like this, gas-liquid refrigeration intermediate medium basis separately physical property is separated in fluid reservoir (4), then gas-liquid refrigeration intermediate medium is through the effect of gas-liquid two-phase flow pipe (4), liquid-working-medium in the reasonable distribution closed circuit and the flow proportional of gas working dielectric, outflow port (3) through the cold-producing medium of two-phase flow liquid storage flow straightener is transported in the systemic circulation, like this to form stable working media two-phase flow in closed circuit.
Embodiment one:
The use principle figure of two-phase flow liquid storage flow straightener as shown in Figure 3 comprises circulating pump (5), evaporimeter (6), condenser (7), two-phase flow liquid storage flow straightener, compressor (8), choke valve (9), check valve (101) ~ (102) and mutual link pipeline; During described heat pump cycle work pattern, compressor (8) extracts a small amount of low-pressure liquid refrigeration working medium by a port (42) a large amount of low pressure gaseous state refrigeration working mediums of extraction of two-phase flow pipe (4) with by return port (41) according to a certain percentage in two-phase flow liquid storage flow straightener, be collapsed into the saturated two-phase steam of gas-liquid of HTHP, the saturated two-phase steam of gas-liquid is admitted in the condenser (7), condenser (7) contacts with low-temperature heat source, gaseous working medium is subjected to the cooling of low-temperature heat source and is condensed into liquid in condenser (7), and emit heat, evaporimeter (6) is sent on road through choke valve (9) and check valve (102) place, evaporimeter (6) contacts with high temperature heat source, liquid working media is subjected to the heating of high temperature heat source and is evaporated to gas in evaporimeter (6), and absorbing heat, the gas that evaporation forms does not have the liquid intermediate medium of evaporation mutually to mix formation gas-liquid two-phase flow body in flow at high speed with part, they flow into the fluid reservoir (1) of two-phase flow liquid storage flow straightener from the inflow port (2) of evaporimeter (6) output through the cold-producing medium of two-phase flow liquid storage flow straightener, the middle working media basis of gas-liquid two-phase flow separately physical property is separated in fluid reservoir (1), so move in circles the heat transfer process when just having finished described heat pump cycle work pattern.
During described heat pipe circulation mode work, circulating pump (5) extracts a small amount of low-pressure liquid refrigeration working medium by a port (42) a large amount of low pressure gaseous state refrigeration working mediums of extraction of two-phase flow pipe (4) with by return port (41) according to a certain percentage in two-phase flow liquid storage flow straightener, be delivered to condenser (7), condenser (7) contacts with low-temperature heat source, gaseous working medium is subjected to the cooling of low-temperature heat source and is condensed into liquid in condenser (7), and emit heat, the liquid of condensation is sent to evaporimeter (6) through circulating pump (5), evaporimeter (6) contacts with high temperature heat source, liquid working media is subjected to the heating of high temperature heat source and is evaporated to gas in evaporimeter (6), and absorbing heat, the gas that evaporation forms does not have the liquid intermediate medium of evaporation mutually to mix formation gas-liquid two-phase flow body in flow at high speed with part, inflow port (2) through the cold-producing medium of two-phase flow liquid storage flow straightener flows in the fluid reservoir (1) of two-phase flow liquid storage flow straightener, the middle working media basis of gas-liquid two-phase flow separately physical property is separated in fluid reservoir (1), so just can in the closed circuit of described heat pipe circulation mode, form stable working media two-phase flow, improve the operating efficiency of whole system.

Claims (4)

1.一种二相流储液稳流器,包括一个储液罐(1)和两个外接端口(2;3),其特征在于, 还包括位于储液罐内部的气液二相配流管(4);所述储液罐(1)为一外表面设有隔热层的耐高压密封容器;所述二相流储液稳流器的两个外接接端口(2;3),分别为制冷剂的流入端口(2)和制冷剂的流出端口(3);所述气液二相配流管(4)是一根直管,其主要由两个端口(42;43)和位于气液二相配流管上的回流孔(41)构成;所述气液二相配流管(4)的一个端口(43)连接于所述二相流储液稳流器的制冷剂流出端口(3),其另一个端口(42)处于二相流储液稳流器内液态制冷工质的液面上部;所述气液二相配流管(4)的回流孔(41)处于二相流储液稳流器内液态制冷工质的液面下部。 1. A two-phase flow liquid storage stabilizer, including a liquid storage tank (1) and two external ports (2; 3), characterized in that it also includes a gas-liquid two-phase flow pipe located inside the liquid storage tank (4); the liquid storage tank (1) is a high-pressure sealed container with a heat insulation layer on the outer surface; the two external ports (2; 3) of the two-phase flow liquid storage stabilizer are respectively The inflow port (2) of the refrigerant and the outflow port (3) of the refrigerant; the gas-liquid two-phase distribution pipe (4) is a straight pipe, which mainly consists of two ports (42; 43) and a One port (43) of the gas-liquid two-phase flow pipe (4) is connected to the refrigerant outflow port (3) of the two-phase flow liquid storage stabilizer ), the other port (42) is located above the liquid surface of the liquid refrigerant in the two-phase flow liquid storage stabilizer; the return hole (41) of the gas-liquid two-phase flow distribution pipe (4) is located The lower part of the liquid level of the liquid refrigerant in the liquid stabilizer. 2.根据权利要求1所述的一种二相流储液稳流器,其特征在于,所述气液二相配流管(4)的回流孔(41)中孔的数量是一个孔,或者是高度不同的多个孔。 2. A two-phase flow liquid storage stabilizer according to claim 1, characterized in that the number of holes in the return hole (41) of the gas-liquid two-phase flow distribution pipe (4) is one hole, or It is a plurality of holes with different heights. 3.根据权利要求1所述的一种二相流储液稳流器,其特征在于,所述气液二相配流管(4)的回流孔(41)是一条沿管道方向的回流缝(44),其替代多个沿管道输送方向分布的回流孔的作用。 3. A two-phase flow liquid storage stabilizer according to claim 1, characterized in that the return hole (41) of the gas-liquid two-phase flow distribution pipe (4) is a return flow slot along the direction of the pipeline ( 44), which replaces the function of a plurality of return holes distributed along the conveying direction of the pipeline. 4.根据权利要求2或3所述的一种二相流储液稳流器,其特征在于,所述回流孔(41)或者回流缝(44)中流入的少量气态或者液态制冷剂的流量有其孔径大小和个数或者缝隙宽度和长度来控制,也就是经二相流储液稳流器内液态工质液面高低来控制回流孔中的孔的个数或者回流缝的长度。 4. A two-phase flow liquid storage stabilizer according to claim 2 or 3, characterized in that the flow rate of a small amount of gaseous or liquid refrigerant flowing into the return hole (41) or return slot (44) It is controlled by the size and number of holes or the width and length of gaps, that is, the number of holes in the return holes or the length of the return holes is controlled by the level of the liquid working medium in the two-phase flow liquid storage stabilizer.
CN2012105447949A 2012-12-17 2012-12-17 Two-phase flow liquid storage flow stabilizer Pending CN102967094A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040065112A1 (en) * 2002-09-27 2004-04-08 Takeshi Sakai Ejector cycle device
WO2012012496A2 (en) * 2010-07-23 2012-01-26 Carrier Corporation Ejector cycle refrigerant separator
WO2012108149A1 (en) * 2011-02-08 2012-08-16 パナソニック株式会社 Gas liquid separator and freeze cycle device
CN202938561U (en) * 2012-12-17 2013-05-15 北京德能恒信科技有限公司 Two-phase flow liquid storage current stabilizer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040065112A1 (en) * 2002-09-27 2004-04-08 Takeshi Sakai Ejector cycle device
WO2012012496A2 (en) * 2010-07-23 2012-01-26 Carrier Corporation Ejector cycle refrigerant separator
WO2012108149A1 (en) * 2011-02-08 2012-08-16 パナソニック株式会社 Gas liquid separator and freeze cycle device
CN202938561U (en) * 2012-12-17 2013-05-15 北京德能恒信科技有限公司 Two-phase flow liquid storage current stabilizer

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Application publication date: 20130313