CN100443852C - Liquid-supplementing type low-temperature boiling heat exchanger with stable level indication - Google Patents
Liquid-supplementing type low-temperature boiling heat exchanger with stable level indication Download PDFInfo
- Publication number
- CN100443852C CN100443852C CNB2006101172710A CN200610117271A CN100443852C CN 100443852 C CN100443852 C CN 100443852C CN B2006101172710 A CNB2006101172710 A CN B2006101172710A CN 200610117271 A CN200610117271 A CN 200610117271A CN 100443852 C CN100443852 C CN 100443852C
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- stabilizing sleeve
- liquid
- exchanger tube
- cylindrical shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
This invention relates to a liquid-fill low-temperature boiling heat exchanger including a stable drum, a heat exchange drum, an axial support, a redial support, a connection board, a gas-phase connecting tube, a liquid-phase connecting tube, a liquid-level meter, a heat-exchange set tube, a liquid-filling tube and a gas collection tube. This invention separates the stable drum for injecting liquid and containing a liquid level meter and a heat exchanger exchanging heat in boiling to be connected with the connecting board by the gas-phase connecting tube and the liquid-phase connecting tube. Since the boiling heat exchange and the indication of liquid level are done in two drums separately, it reduces the signal wave of the liquid level meter caused by boiling, the usage of round gas-collection tube uniforms the gas flow and reduces the impact of gas flow to liquid level.
Description
Technical field
What the present invention relates to is a kind of low-temperature boiling heat exchanger, particularly a kind of stable supplementing type low-temperature boiling heat exchanger of liquid level indication that adopts stabilizing sleeve to stablize the heat exchanger tube liquid level.Belong to cryogenic engineering and cryogenic technique field.
Background technology
Along with refrigeration, gas separate, the developing rapidly of cryogenic technique, the application of cryogenic heat exchanger more and more widely occupies more and more important position in fields such as national defence, aviation, medical science.Cryogenic heat exchanger is as the chief component of Cryo Equipment, and its performance directly has influence on the economic indicator of Cryo Equipment, safe and reliable and development prospect.Traditional low-temperature boiling heat exchange is carried out in a heat exchange container, under the situation of boiling, can cause the fluctuation that liquid level is very big, has influenced the whole heat exchange property of heat exchanger.In the prior art, publication number is CN2297657Y, the utility model patent that name is called " atmospheric liquid film disturbance formula boiling heat exchanger " is by the high-temperature flue gas that the combustion chamber produces heat to be passed to heating agent working medium, heating agent working medium under the corresponding saturation temperature, reaches fluidized state in the closed container of certain vacuum degree.Then, heating agent working medium is passed to cold fluid in the mode of boiling with heat, so the temperature of cold fluid raises.Show when the liquid level in the closed container and be lower than when setting value according to being arranged on liquid level gauge on the closed container, open unidirectional make-up valve, heating agent working medium is mended to liquid level set value.Thereby the steam pressure in the assurance closed container is lower than local atmospheric pressure, and the heating agent liquid level makes heat exchanger keep normal operating condition in normal liquid level limited range.Because the normal operation of level value heat exchanging device plays an important role, the influence but this utility model is not considered to seethe with excitement to the liquid level gauge show value, thereby bring certain deviation can for the show value of liquid level gauge, under the violent situation of seething with excitement, when level fluctuation is very big, will influence the normal operation of heat exchanger.Publication number is CN1667338A, and the patent of invention that name is called " liquid filled compact tube bundle evaporating heat exchanger " is also strong boiling phenomenon can take place under the condition of the low temperature difference, thereby improves the heat exchange property of heat exchanger greatly.But when boiling phenomenon is very strong, liquid level is produced very big influence, and then can reduce the heat exchange property of heat exchanger.At low temperatures, the value of cold improves with the reduction of temperature levels, therefore must make loss of refrigeration capacity reduce to as far as possible little degree.Boiling under the low temperature is many to be carried out under the little temperature difference, and boiling can make liquid level that violent fluctuation takes place, and brings certain deviation for the show value of liquid level gauge, thereby influences the heat exchange amount of heat exchanger, does not reach the actual needed heat exchange property of engineering.
Summary of the invention
For deficiency and the defective that overcomes prior art, the invention provides the stable supplementing type low-temperature boiling heat exchanger of a kind of liquid level indication.The present invention is achieved through the following technical solutions, to the annotate heat exchanger tube of stabilizing sleeve and boiling heat transfer of liquid and dress liquid level gauge of the present invention separates, interconnect by gas phase communicating pipe, liquid phase communicating pipe and connecting plate, reduced the liquid level gauge signal fluctuation that boiling causes.The present invention includes stabilizing sleeve, heat exchanger tube, axial support, radial support, connecting plate, gas phase communicating pipe, liquid phase communicating pipe, liquid level gauge, heat exchange coil, liquid supplementation pipe and remittance tracheae.Wherein heat exchanger tube is to be welded to each other by heat exchanger tube upper cover, heat exchanger tube low head and heat exchanger tube cylindrical shell to form, and stabilizing sleeve is to be welded to each other by stabilizing sleeve upper cover, stabilizing sleeve low head and stabilizing sleeve cylindrical shell to form.Heat exchanger tube and stabilizing sleeve interconnect by gas phase communicating pipe, liquid phase communicating pipe and two connecting plates, liquid level gauge is installed on the stabilizing sleeve cylinder body outer wall, four axial support symmetry respectively are fixed on stabilizing sleeve cylindrical shell and heat exchanger tube cylindrical shell upper outside, and two radial support are separately fixed on stabilizing sleeve cylindrical shell and the corresponding position, the outside, heat exchanger tube cylindrical shell middle part.Stabilizing sleeve upper cover middle part has exhaust outlet, and both sides have liquid inlet and air inlet; Stabilizing sleeve low head middle part has liquid outlet.Heat exchanger tube upper cover middle part has the gas outlet; Heat exchanger tube low head middle part has the liquid inlet, and both sides have heat exchange coil inlet and heat exchange coil outlet.The two ends of liquid phase communicating pipe link to each other with stabilizing sleeve low head liquid outlet with heat exchanger tube low head liquid inlet respectively; The end of gas phase communicating pipe links to each other with heat exchanger tube upper cover gas outlet, the other end passes stabilizing sleeve upper cover air inlet and links to each other with the remittance tracheae, the tracheae that converges is the pipe of an annular, and level is seated in stabilizing sleeve top, and the inboard of annular remittance tracheae evenly has some apertures.The heat exchange coil two ends export with heat exchange coil with the heat exchange coil inlet of heat exchanger tube low head respectively and link to each other.Liquid supplementation pipe is inserted the stabilizing sleeve bottom from the liquid inlet of stabilizing sleeve upper cover.
This heat exchanger adopts two-sided aluminium plating terylene film and sheathing paper or aluminium foil and the sheathing paper heat insulating construction of combination at interval one by one.Heat exchanger stabilizing sleeve cylindrical shell is than heat exchanger tube cylindrical shell height, and the top of stabilizing sleeve is higher than the top of heat exchanger tube.Such layout makes the air cavity height in the stabilizing sleeve increase, and has reduced excessive filling liquid, and gas generation entrained drip plays the effect of gas-liquid separator in the heat exchanger tube in stabilizing sleeve, has effectively prevented the loss of liquid.
Just the annotate heat exchanger tube of liquid and dress stabilizing sleeve of liquid level gauge and boiling of the present invention is arranged apart, interconnects by gas phase communicating pipe, liquid phase communicating pipe and connecting plate.The gas that cryogenic liquid boiling back generates in the heat exchanger tube housing enters into stabilizing sleeve top by gas phase communicating pipe, is connected with the remittance tracheae of annular.In stabilizing sleeve, the gas that enters stabilizing sleeve can produce impulsive force to liquid level.In order to reduce the impact of air-flow to liquid level, evenly have aperture in remittance tracheae inboard, make the ejection of gas along continuous straight runs.The effect one of tracheae of converging is in order to make air-flow even, and another is the effect of playing the static separator of gas-liquid, reduces the impact of air-flow to liquid level, makes the liquid level indication stable.In addition, liquid supplementation pipe is inserted the stabilizing sleeve bottom from the liquid inlet of stabilizing sleeve upper cover, has also reduced the impact of filling cryogenic liquid to the stabilizing sleeve liquid level.Finally make the liquid level indication of this heat exchanger stable.
Beneficial effect of the present invention:, reduced the liquid level gauge signal fluctuation that boiling causes in two cylindrical shells because the boiling heat transfer of cryogenic liquid and the indication of liquid level gauge are carried out respectively; The use of annular remittance tracheae makes air-flow even, reduces the impact of air-flow to liquid level.Make the liquid level indication of low-temperature boiling heat exchanger stable, improved the heat exchange property of low-temperature boiling heat exchanger, have remarkable economic efficiency and social benefit.
Description of drawings
Fig. 1 is a low-temperature boiling heat exchanger contour structures master schematic diagram of the present invention;
Fig. 2 is a low-temperature boiling heat exchanger contour structures of the present invention left side schematic diagram;
Fig. 3 is a low-temperature boiling heat exchanger internal structure schematic diagram of the present invention;
Among the figure, the 1st, axial support, the 2nd, liquid supplementation pipe, the 3rd, the stabilizing sleeve liquid inlet, the 4th, the stabilizing sleeve upper cover, the 5th, the stabilizing sleeve cylindrical shell, the 6th, differential pressure type level gauge, the 7th, radial support, the 8th, connecting plate, the 9th, the stabilizing sleeve low head, the 10th, the stabilizing sleeve liquid outlet, the 11st, liquid phase communicating pipe, the 12nd, the heat exchanger tube liquid inlet, the 13rd, the heat exchanger tube low head, the 14th, the heat exchanger tube cylindrical shell, the 15th, the heat exchanger tube upper cover, the 16th, the stabilizing sleeve air inlet, the 17th, gas phase communicating pipe, the 18th, the heat exchange coil inlet, the 19th, the heat exchange coil outlet, the 20th, the stabilizing sleeve exhaust outlet, the 21st, the remittance tracheae, the 22nd, heat exchange coil, 23 heat exchanger tube gas outlets.
The specific embodiment:
Below in conjunction with accompanying drawing concrete enforcement of the present invention is further described.As Fig. 1, Fig. 2 and shown in Figure 3, the present invention includes stabilizing sleeve, heat exchanger tube, four axial support 1, two radial support 7, connecting plate 8, gas phase communicating pipe 17, liquid phase communicating pipe 11, differential pressure type level gauge 6, heat exchange coil 22, liquid supplementation pipe 2 and the tracheaes 21 that converge.Wherein heat exchanger tube is to be welded to each other by heat exchanger tube upper cover 15, heat exchanger tube low head 13 and heat exchanger tube cylindrical shell 14 to form, and stabilizing sleeve is to be welded to each other by stabilizing sleeve upper cover 4, stabilizing sleeve low head 9 and stabilizing sleeve cylindrical shell 5 to form.Heat exchanger tube and stabilizing sleeve interconnect by gas phase communicating pipe 17, liquid phase communicating pipe 11 and two connecting plates 8, differential pressure type level gauge 6 is installed on the outer wall of stabilizing sleeve cylindrical shell 5, four axial support 1 symmetry respectively are fixed on stabilizing sleeve cylindrical shell 5 and heat exchanger tube cylindrical shell 14 upper outside, and two radial support 7 are separately fixed on the corresponding position of the stabilizing sleeve cylindrical shell 5 and the outside, heat exchanger tube cylindrical shell 14 middle parts.Stabilizing sleeve upper cover 4 middle parts have stabilizing sleeve exhaust outlet 20, and both sides have stabilizing sleeve liquid inlet 3 and stabilizing sleeve air inlet 16; Stabilizing sleeve low head 9 middle parts have stabilizing sleeve liquid outlet 10.Heat exchanger tube upper cover 15 middle parts have heat exchanger tube gas outlet 23; Heat exchanger tube low head 13 middle parts have heat exchanger tube liquid inlet 12, and both sides have heat exchange coil inlet 18 and heat exchange coil outlet 19.The two ends of liquid phase communicating pipe 11 link to each other with stabilizing sleeve liquid outlet 10 with heat exchanger tube liquid inlet 12 respectively; The end of gas phase communicating pipe 17 links to each other with heat exchanger tube gas outlet 23, the other end passes stabilizing sleeve air inlet 16 and links to each other with remittance tracheae 21, the tracheae 21 that converges is pipes of an annular, and level is seated in stabilizing sleeve top, and the inboard of annular remittance tracheae 21 evenly has some apertures.Heat exchange coil 22 two ends link to each other with heat exchange coil outlet 19 with the heat exchange coil inlet 18 of heat exchanger tube respectively.Liquid supplementation pipe 2 is 3 insertion stabilizing sleeve bottoms from the stabilizing sleeve liquid inlet.
This heat exchanger adopts two-sided aluminium plating terylene film and sheathing paper or aluminium foil and the sheathing paper heat insulating construction of combination at interval one by one.Heat exchanger stabilizing sleeve cylindrical shell 5 is than heat exchanger tube cylindrical shell 14 height, and the top of stabilizing sleeve is higher than the top of heat exchanger tube.Such layout makes the air cavity height in the stabilizing sleeve increase, and has reduced excessive filling liquid, and gas generation entrained drip plays the effect of gas-liquid separator in the heat exchanger tube in stabilizing sleeve, has effectively prevented the loss of liquid.
Leak heat in order to reduce system, axial support 1 of the present invention and radial support 7 all adopt glass-reinforced plastic material.Except axial support 1 and radial support 7, all component materials all adopt the 0Cr18Ni9 stainless steel.
Claims (4)
1. a liquid level is indicated stable supplementing type low-temperature boiling heat exchanger, comprise heat exchanger tube, four axial support (1), two radial support (7), differential pressure type level gauge (6), heat exchange coil (22) and liquid supplementation pipe (2), it is characterized in that also comprising stabilizing sleeve, connecting plate (8), gas phase communicating pipe (17), the liquid phase communicating pipe (11) and the tracheae (21) that converges, wherein heat exchanger tube is by heat exchanger tube upper cover (15), heat exchanger tube low head (13) and heat exchanger tube cylindrical shell (14) are welded to each other and form, stabilizing sleeve is by stabilizing sleeve upper cover (4), stabilizing sleeve low head (9) and stabilizing sleeve cylindrical shell (5) are welded to each other and form, heat exchanger tube and stabilizing sleeve are by gas phase communicating pipe (17), liquid phase communicating pipe (11) and two connecting plates (8) interconnect, differential pressure type level gauge (6) is installed on the outer wall of stabilizing sleeve cylindrical shell (5), four axial support (1) symmetry respectively are fixed on stabilizing sleeve cylindrical shell (5) and heat exchanger tube cylindrical shell (14) upper outside, two radial support (7) are separately fixed on stabilizing sleeve cylindrical shell (5) and the corresponding position, the outside, heat exchanger tube cylindrical shell (14) middle part, stabilizing sleeve upper cover (4) middle part has stabilizing sleeve exhaust outlet (20), and both sides have stabilizing sleeve liquid inlet (3) and stabilizing sleeve air inlet (16); Stabilizing sleeve low head (9) middle part has stabilizing sleeve liquid outlet (10), and heat exchanger tube upper cover (15) middle part has heat exchanger tube gas outlet (23); Heat exchanger tube low head (13) middle part has heat exchanger tube liquid inlet (12), both sides have heat exchange coil inlet (18) and heat exchange coil outlet (19), and the two ends of liquid phase communicating pipe (11) link to each other with stabilizing sleeve liquid outlet (10) with heat exchanger tube liquid inlet (12) respectively; The end of gas phase communicating pipe (17) links to each other with heat exchanger tube gas outlet (23), the other end passes stabilizing sleeve air inlet (16) and links to each other with remittance tracheae (21), the tracheae (21) that converges is the pipe of an annular, level is seated in stabilizing sleeve top, the inboard of annular remittance tracheae (21) evenly has some apertures, heat exchange coil (22) two ends link to each other with heat exchange coil outlet (19) with the heat exchange coil inlet (18) of heat exchanger tube respectively, and liquid supplementation pipe (2) is inserted the stabilizing sleeve bottom from stabilizing sleeve liquid inlet (3).
2. the stable supplementing type low-temperature boiling heat exchanger of liquid level indication according to claim 1 is characterized in that described heat exchanger stabilizing sleeve cylindrical shell (5) than heat exchanger tube cylindrical shell (14) height, and the tip position of stabilizing sleeve is higher than the top of heat exchanger tube.
3. the stable supplementing type low-temperature boiling heat exchanger of liquid level indication according to claim 1, it is characterized in that described axial support (1) and radial support (7) all adopt glass-reinforced plastic material, except axial support (1) and radial support (7), all component materials all adopt the 0Cr18Ni9 stainless steel.
4. the supplementing type low-temperature boiling heat exchanger that liquid level according to claim 1 indication is stable, the heat insulating construction that it is characterized in that described heat exchanger are to adopt two-sided aluminium plating terylene film and sheathing paper or aluminium foil and sheathing paper to combine at the interval one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101172710A CN100443852C (en) | 2006-10-19 | 2006-10-19 | Liquid-supplementing type low-temperature boiling heat exchanger with stable level indication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101172710A CN100443852C (en) | 2006-10-19 | 2006-10-19 | Liquid-supplementing type low-temperature boiling heat exchanger with stable level indication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1936488A CN1936488A (en) | 2007-03-28 |
| CN100443852C true CN100443852C (en) | 2008-12-17 |
Family
ID=37954122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101172710A Expired - Fee Related CN100443852C (en) | 2006-10-19 | 2006-10-19 | Liquid-supplementing type low-temperature boiling heat exchanger with stable level indication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100443852C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435632B (en) * | 2011-09-14 | 2013-05-22 | 上海交通大学 | Testing system for researching flow boiling heat transfer character and pressure drop character of cryogenic fluid |
| US11199112B2 (en) | 2017-08-18 | 2021-12-14 | Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno | Method and system for heat recovery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0894001A (en) * | 1994-09-26 | 1996-04-12 | Hisaka Works Ltd | Steam generator |
| CN2297657Y (en) * | 1997-05-01 | 1998-11-18 | 董树松 | Constant pressure liquid film turbuence type boiling heat exchanger |
| EP1172619A1 (en) * | 2000-07-07 | 2002-01-16 | LGL France | Device condenser-tank for carbon dioxide and cooling system including the device |
| CN2553321Y (en) * | 2002-07-19 | 2003-05-28 | 冀东石油勘探开发公司 | Split phase change combined heater |
| CN1667338A (en) * | 2005-04-07 | 2005-09-14 | 上海交通大学 | Liquid filled compact tube bundle evaporating heat exchanger |
-
2006
- 2006-10-19 CN CNB2006101172710A patent/CN100443852C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0894001A (en) * | 1994-09-26 | 1996-04-12 | Hisaka Works Ltd | Steam generator |
| CN2297657Y (en) * | 1997-05-01 | 1998-11-18 | 董树松 | Constant pressure liquid film turbuence type boiling heat exchanger |
| EP1172619A1 (en) * | 2000-07-07 | 2002-01-16 | LGL France | Device condenser-tank for carbon dioxide and cooling system including the device |
| CN2553321Y (en) * | 2002-07-19 | 2003-05-28 | 冀东石油勘探开发公司 | Split phase change combined heater |
| CN1667338A (en) * | 2005-04-07 | 2005-09-14 | 上海交通大学 | Liquid filled compact tube bundle evaporating heat exchanger |
Non-Patent Citations (2)
| Title |
|---|
| 超流氦气液相分离器实验装置研制. 洪国同，余兴恩，李正宇，杨健慧，李强，李青.低温工程，第3期. 2004 |
| 超流氦气液相分离器实验装置研制. 洪国同，余兴恩，李正宇，杨健慧，李强，李青.低温工程，第3期. 2004 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1936488A (en) | 2007-03-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104966536A (en) | High-temperature working medium heat exchange test system using heat conducting oil as hot fluid and test method | |
| CN107606974B (en) | Integrated combination heat exchanger | |
| CN101576518B (en) | Experimental device for evaporation, absorption and mass transferring of falling film of vertical tube | |
| CN202216925U (en) | Open heat exchanger pilot test platform | |
| CN108918175A (en) | A kind of thermal performance test system | |
| CN104667842A (en) | Cooling device for high-temperature ammonia-containing gas sampling system | |
| CN100443852C (en) | Liquid-supplementing type low-temperature boiling heat exchanger with stable level indication | |
| CN202675975U (en) | Blending heat exchange energy storage tube shell type evaporator | |
| CN109630877A (en) | A kind of LNG regas system and working method | |
| CN207866030U (en) | Heat-exchanger rig and heat-exchange system | |
| CN206321436U (en) | A kind of performance testing device of condensing heat exchanger | |
| CN204469688U (en) | A kind of cooling device of high temperature ammonia-containing gas sampler | |
| CN207457113U (en) | Heat transfer device | |
| CN212721007U (en) | Comprehensive vaporizer for heating vaporization | |
| CN203719489U (en) | Double-phase-change latent heat exchanger | |
| CN103791744B (en) | Double-phase-change latent heat exchanger | |
| CN112768098B (en) | Experimental device and method for researching jet impact characteristics of reactor core outlet of fast reactor | |
| CN208779997U (en) | A kind of fluid phase change visualization system | |
| CN208651094U (en) | A kind of compressor heat exchanger | |
| CN207501118U (en) | A kind of waste-heat recovery device | |
| CN113015419A (en) | Constant temperature heat transfer device | |
| CN208779975U (en) | A kind of heat-exchange device cooling for fuel Test loop | |
| CN209014100U (en) | A kind of cold-proof magnetic double level gauge | |
| CN207422965U (en) | A kind of phase-change heat-exchanger for high-performance computer | |
| CN201373571Y (en) | Furnace type superconducting heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20111019 |