CN104567083A - Water-steam combined jet vacuum refrigeration device - Google Patents
Water-steam combined jet vacuum refrigeration device Download PDFInfo
- Publication number
- CN104567083A CN104567083A CN201410845156.XA CN201410845156A CN104567083A CN 104567083 A CN104567083 A CN 104567083A CN 201410845156 A CN201410845156 A CN 201410845156A CN 104567083 A CN104567083 A CN 104567083A
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- Prior art keywords
- steam
- main
- water
- auxiliary
- mixing condenser
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Classifications
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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
- F25B19/00—Machines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour
- F25B19/02—Machines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour using fluid jet, e.g. of steam
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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
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/001—Ejectors not being used as compression device
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention relates to a water-steam combined jet vacuum refrigeration device. The device mainly comprises a steam distributor, a flash evaporator, a main steam jet compressor, a main mixed condenser, an auxiliary steam jet compressor, an auxiliary mixed condenser and a water jet, wherein the steam distributor is connected with the main steam jet compressor and the auxiliary steam jet compressor respectively; the flash evaporator is connected with the main mixed condenser through the main steam jet compressor; the main mixed condenser is connected with the auxiliary steam jet compressor; the auxiliary steam jet compressor is connected with the auxiliary mixed condenser; the auxiliary mixed condenser is connected with the water jet. According to the water-steam combined jet vacuum refrigeration device, the problem that water in the main mixed condenser flows backward into the flash evaporator in the operation process of the device is solved, the noise in operation of the equipment is reduced, and the device has a simple structure and an obvious energy saving effect and is suitable for popularization and application.
Description
Technical field
The invention belongs to vacuum freezing technical field, relate to a kind of water-steam combination specifically and spray vacuum refrigerator.
Background technology
The power source of the devices such as the vapor jet vacuum refrigerating plant of current use or vapor jet vacuum refrigeration machine and equipment is all be that power source carries out work with steam, steam consumption is not only large but also need the back pressure that overcomes also larger, more can not realize ultralow steam working pressure (SWP).Traditional vapor jet vacuum evaporator of refrigerating device and the connected mode of the main ejector between condenser are that V shape is connected, so both limit the centre distance of evaporimeter and main condenser, again limit the quantity of main ejector, large-scale refrigerating plant can not be manufactured.The water of main condenser also easily flows backwards and enters evaporimeter, causes refrigeration to lose efficacy.
Summary of the invention
Goal of the invention:
The invention provides a kind of water-steam combination and spray vacuum refrigerator, instead of two auxiliary steam injector and two auxiliary condensers of similar system with water ejector, its order is in order to the water in mixing condenser main in solving device running pours in down a chimney problem into flash vessel.This device is both energy-conservation in turn simplify structure, and can provide lower terminal condensing pressure, for whole system uses the working steam of power at low pressure to provide the foundation.
Technical scheme:
The present invention implements by the following technical programs:
A kind of water-steam combination sprays vacuum refrigerator, it is characterized in that: mainly comprise steam distributor, flash vessel, main steam jet ejector, main mixing condenser, auxiliary steam jet ejector, auxiliary mixing condenser, water ejector; Steam distributor connects main steam jet ejector and auxiliary steam jet ejector respectively, flash vessel connects main mixing condenser by main steam jet ejector, main mixing condenser connects auxiliary steam jet ejector, auxiliary steam jet ejector connects auxiliary mixing condenser, and auxiliary mixing condenser connects water ejector.
The power source of this device is combined by steam and water and provides.
The connected mode of the main steam jet ejector between flash vessel with main mixing condenser is parallel diagonal bridge, and main steam jet ejector and the connection inclination angle between flash vessel and main mixing condenser are greater than 15 degree and are less than 90 degree.
Main steam jet ejector is equipped with muffler.
Flash vessel is quadruple effect flash vessel.
Main mixing condenser is the main mixing condenser of quadruple effect.
The output pipeline of steam distributor is provided with valve.
Advantage and effect:
This water of the present invention-steam combination sprays vacuum refrigerator, and tool has the following advantages:
(1) connected mode of the main steam jet ejector between flash vessel with main mixing condenser is parallel diagonal bridge, main steam jet ejector and the connection inclination angle between flash vessel and main mixing condenser are greater than 15 degree and are less than 90 degree, and the water solved in plant running process in main mixing condenser pours in down a chimney the problem into flash vessel.
(2) instead of two auxiliary steam injector of similar system and two auxiliary condensers with water ejector and make that this device is both energy-conservation in turn simplify structure, and lower terminal condensing pressure can be provided, for whole system uses the working steam of power at low pressure (meter pressure can lower than 0.1MPa) to provide the foundation.
(3) connected mode of the main steam jet ejector between flash vessel and main mixing condenser determine this device can by the main mixing condenser of the flash vessel of quadruple effect and quadruple effect form and greater number main injection steam compressor can be installed, provide technical foundation for manufacturing large-scale refrigerating plant.
(4) main steam jet ejector is also equipped with muffler, greatly reduces operating noise.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention.
Description of reference numerals:
1, steam distributor; 2, flash vessel; 3, main steam jet ejector; 4, main mixing condenser; 5, auxiliary steam jet ejector; 6, auxiliary mixing condenser; 7, water ejector.
detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is specifically described:
The present invention relates to a kind of water-steam combination and spray vacuum refrigerator, as shown in Figure 1, steam distributor 1, flash vessel 2, main steam jet ejector 3, main mixing condenser 4, auxiliary steam jet ejector 5, auxiliary mixing condenser 6, water ejector 7 is mainly comprised, steam distributor 1 connects main steam jet ejector 3 and auxiliary steam jet ejector 5 respectively, flash vessel 2 connects main mixing condenser 4 by main steam jet ejector 3, main mixing condenser 4 connects auxiliary steam jet ejector 5, auxiliary steam jet ejector 5 connects auxiliary mixing condenser 6, auxiliary mixing condenser 6 connects water ejector 7, adopt water ejector to instead of two auxiliary steam injector of similar system and two auxiliary condensers and make that this device is both energy-conservation in turn simplify structure, and lower terminal condensing pressure can be provided, for whole system uses the working steam of power at low pressure to provide the foundation.
The power source of this device is combined by steam and water and provides.
The connected mode of the main steam jet ejector 3 between flash vessel 2 with main mixing condenser 4 is parallel diagonal bridge, main steam jet ejector 3 and the connection inclination angle between flash vessel 2 and main mixing condenser 4 are greater than 15 degree and are less than 90 degree, and the setting water efficiently solved in plant running process in main mixing condenser pours in down a chimney the problem into flash vessel like this.
Main steam jet ejector 3 is equipped with muffler, the noise produced can be reduced during equipment runs greatly.
Flash vessel 2 can adopt the flash vessel of quadruple effect.Main mixing condenser 4 can adopt the main mixing condenser of quadruple effect.Namely this device is made up of the flash vessel of quadruple effect and the main mixing condenser of quadruple effect.In real work, in order to manufacture the needs of large-scale refrigerating plant, the present invention can also install greater number main injection steam compressor.
Operation principle of the present invention and process as follows:
The present invention is exactly take water as cold-producing medium and refrigerating medium, does not use other any chemicals in pipeline and the flowing of this apparatus system, to complete refrigeration overall process by the physical tri-state change of water.
Flow velocity is greater than 20 meter per seconds, and the steam that meter pressure is greater than 0.05MPa connects main steam jet ejector 3 and auxiliary steam jet ejector 5 respectively through steam distributor 1, obtains the cold and hot mixed vapour stream of high speed that flow velocity is greater than more than 800 meter per seconds.The cold and hot mixed vapour stream of this high speed obtains ejector action makes flash vessel 2 form absolute vacuum state rapidly, the cold-producing medium water sub-fraction entering vaporization chamber from flash vessel 2 top spray is evaporated rapidly and is taken away the latent heat of vaporization, overwhelming majority refrigerating medium coolant-temperature gage is lowered, thus the cold water producing temperature more than 0 DEG C is applied as refrigerant.Mixed vapour and incoagulable gas enter main mixing condenser 4 and auxiliary mixing condenser 6 successively by external cool cycles water condensation.Mixed vapour in auxiliary mixing condenser 6 and incoagulable gas are extracted out by water ejector 7 and are drained in air.
Claims (7)
1. water-steam combination sprays a vacuum refrigerator, it is characterized in that: mainly comprise steam distributor (1), flash vessel (2), main steam jet ejector (3), main mixing condenser (4), auxiliary steam jet ejector (5), auxiliary mixing condenser (6), water ejector (7); Steam distributor (1) connects main steam jet ejector (3) and auxiliary steam jet ejector (5) respectively, flash vessel (2) connects main mixing condenser (4) by main steam jet ejector (3), main mixing condenser (4) connects auxiliary steam jet ejector (5), auxiliary steam jet ejector (5) connects auxiliary mixing condenser (6), and auxiliary mixing condenser (6) connects water ejector (7).
2. water according to claim 1-steam combination sprays vacuum refrigerator, it is characterized in that: the power source of this device is combined by steam and water and provides.
3. water according to claim 1-steam combination sprays vacuum refrigerator, it is characterized in that: the connected mode of the main steam jet ejector (3) between flash vessel (2) with main mixing condenser (4) is parallel diagonal bridge, main steam jet ejector (3) and the connection inclination angle between flash vessel (2) and main mixing condenser (4) are greater than 15 degree and are less than 90 degree.
4. water according to claim 1-steam combination sprays vacuum refrigerator, it is characterized in that: (3) are equipped with muffler to main steam jet ejector.
5. water according to claim 1-steam combination sprays vacuum refrigerator, it is characterized in that: flash vessel (2) is quadruple effect flash vessel.
6. water according to claim 1-steam combination sprays vacuum refrigerator, it is characterized in that: main mixing condenser (4) is the main mixing condenser of quadruple effect.
7. water according to claim 1-steam combination sprays vacuum refrigerator, it is characterized in that: the output pipeline of steam distributor (1) is provided with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410845156.XA CN104567083A (en) | 2014-12-31 | 2014-12-31 | Water-steam combined jet vacuum refrigeration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410845156.XA CN104567083A (en) | 2014-12-31 | 2014-12-31 | Water-steam combined jet vacuum refrigeration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104567083A true CN104567083A (en) | 2015-04-29 |
Family
ID=53083734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410845156.XA Pending CN104567083A (en) | 2014-12-31 | 2014-12-31 | Water-steam combined jet vacuum refrigeration device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104567083A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2145352Y (en) * | 1992-11-20 | 1993-11-03 | 杨守信 | Low-voltage steam refrigeration device |
| CN2425328Y (en) * | 2000-05-19 | 2001-03-28 | 杨东 | Steam spraying vacuum water cooling device |
| JP2002048430A (en) * | 2000-08-07 | 2002-02-15 | Tuchenhagen Japan Ltd | Liquid cooler by flash cooling |
| TW536611B (en) * | 2002-03-14 | 2003-06-11 | Wei-Min Jang | Steam ejection type cold/hot water manufacturing machine |
| CN101424463A (en) * | 2007-10-30 | 2009-05-06 | 沈阳瑞格电器制冷设备有限公司 | Water vapor injection refrigerator |
| CN203454458U (en) * | 2013-09-03 | 2014-02-26 | 西安前沿重型工业工程技术有限公司 | Solar efficient spraying refrigeration system |
| CN204404594U (en) * | 2014-12-31 | 2015-06-17 | 沈阳工业大学 | Water-steam combination sprays vacuum refrigerator |
-
2014
- 2014-12-31 CN CN201410845156.XA patent/CN104567083A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2145352Y (en) * | 1992-11-20 | 1993-11-03 | 杨守信 | Low-voltage steam refrigeration device |
| CN2425328Y (en) * | 2000-05-19 | 2001-03-28 | 杨东 | Steam spraying vacuum water cooling device |
| JP2002048430A (en) * | 2000-08-07 | 2002-02-15 | Tuchenhagen Japan Ltd | Liquid cooler by flash cooling |
| TW536611B (en) * | 2002-03-14 | 2003-06-11 | Wei-Min Jang | Steam ejection type cold/hot water manufacturing machine |
| CN101424463A (en) * | 2007-10-30 | 2009-05-06 | 沈阳瑞格电器制冷设备有限公司 | Water vapor injection refrigerator |
| CN203454458U (en) * | 2013-09-03 | 2014-02-26 | 西安前沿重型工业工程技术有限公司 | Solar efficient spraying refrigeration system |
| CN204404594U (en) * | 2014-12-31 | 2015-06-17 | 沈阳工业大学 | Water-steam combination sprays vacuum refrigerator |
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Application publication date: 20150429 |
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