CN2760479Y - Highly effective water vessel - Google Patents
Highly effective water vessel Download PDFInfo
- Publication number
- CN2760479Y CN2760479Y CN 200520012555 CN200520012555U CN2760479Y CN 2760479 Y CN2760479 Y CN 2760479Y CN 200520012555 CN200520012555 CN 200520012555 CN 200520012555 U CN200520012555 U CN 200520012555U CN 2760479 Y CN2760479 Y CN 2760479Y
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- water
- filter
- condensate pipe
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Abstract
The utility model relates to a highly effective water vessel in vacuum cooling devices. The utility model is characterized in that the utility model is composed of a condensate pipe, a filter and a water-retaining device, wherein the condensate pipe is positioned at the lower part of a vacuum cooling chamber; an inlet of the condensate pipe is positioned at the lower part; an outlet of the condensate pipe is positioned at the upper part; the water-retraining device is connected with a vacuum pump by an inner connection wire; the filter which is used for filtering impurities of water vapors is positioned outside the water-retraining device. The condensate pipe is positioned at the lower part of the vacuum cooling chamber; the collision probability of the water vapors and the condensate pipe is big by the arrangement; the condensable effects of the highly effective water vessel are favorable; the filter is arranged on the utility model, so suspended matters in the water vapors can be effectively filtered out; the water-retraining device is arranged on the utility model, so the water vapors and water-retraining objects are crashed and deposited, and non-condensable gases are pumped away; thereby, after the filter and the water-retraining objects are arranged, the condensable effects can be enhanced, the side of the vacuum pump is reduced and the vacuum pump is protected.
Description
Technical field
The utility model patent relates to a kind of efficient water vessel in a kind of vacuum cooling unit.
Background technology
Along with improving constantly of people's living standard, oneself not only is satisfied with people the vegetable and fruit supply is arranged, and its freshness, outward appearance, mouthfeel are also had higher requirement.Simultaneously, agricultural product that requirement is produced and fruit after long-distance transport or long preservation, still can be guaranteed the freshness of itself in a large number in export trade all over the world, it is one of present most important problem, satisfy above-mentioned requirements, precooling is a crucial step, and this is because behind the fruit and vegetable picking, still carrying out vigorous respiration, give off energy, and the energy that discharges raises the fruits and vegetables temperature, has quickened respiration conversely again.Be subjected to fruits and vegetables field heat and respiratory the influence, fruit, the rapid atrophy of vegetables, freshness reduces, and corrupt rate increases.Therefore, carry out precooling behind the fruit and vegetable picking rapidly, can reduce its respiratory intensity, suppress the consumption of self nutrient, keep its freshness, prolong effective storage period
[2]In various precooling modes, vacuum pre-cooling is the most effective a kind of mode.The principle of vacuum pre-cooling is: water boiling point under 1 atmospheric pressure is 100 degree, boiling point will reduce if temperature reduces, utilize this principle vacuum to reduce the boiling point of water, when pressure reaches the saturation pressure of food surface temperature correspondence, who will evaporate, and water evaporation needs to absorb gasification latent heat, and this heat is from food itself, thereby makes the food temperature reduction.
As a kind of the most effective cooling means fast, vacuum cooled is a kind of pre-refrigeration technique that abroad is most widely used at present.Therefore, vacuum cooling unit has been carried out a lot of research work both at home and abroad, but in the design of vacuum precooling device, the design of water vessel is a big difficult point.Water vessel catch the effect that outlet capacity directly affects vacuum cooled.If the ducting capacity of water vessel is good, steam and tube outer surface collision probability height, water vessel to catch outlet capacity just high, could guarantee the normal operation of vavuum pump like this.The surface temperature of water vessel has a direct impact for the effect of coagulating water, if temperature is too high, does not reach water purpose with fixed attention; If temperature is low excessively, easily make heating surface form frost layer and glaciation, produce very big thermal resistance, influence heat-transfer effect equally, caused energy loss.The principle of water vessel is: water vapour that is evaporated from food and Air mixing gas, under the driving of the temperature potential and the air-flow of finding time, move to water vessel, the low-temperature receiver of water vessel is to change overheated refrigerating medium with refrigeration system evaporator, when mist collides water vessel, because temperature plunges, water vapour undergoes phase transition, and condenses into water.The temperature of water vessel coil pipe is by the acquisition module collection and control this temperature and be not less than freezing point.The heat of transformation is taken away by the refrigerating medium in the coil pipe, and the water vapour of incoagulable gas and minute quantity is taken away by vavuum pump.Water vessel in the past is the outside that is arranged in the vacuum cooled chamber mostly, and heat exchange effect like this is bad, and needing increases the device that holds water vessel, total installation cost is increased, and water vapour enters vavuum pump easily.What also have will catch the water coil design on the top of vacuum cooled chamber, and water vapour enters vavuum pump easily like this, and condensate water was evaporated owing to pressure is low easily in the defluent while again.
Summary of the invention
The purpose of this utility model is in order to overcome the shortcoming of existing vacuum cooling unit water vessel, and it is good to have designed a kind of condensation effect, enters vavuum pump water vapour amount and effectively protects vavuum pump, the efficient water vessel that anti-sealing evaporates again thereby can reduce.
The technical solution of the utility model is: a kind of vacuum precooling device water vessel is characterized in that it is formed by coagulating water pipe, filter and dash device; Water pipe places the bottom of vacuum cooled chamber with fixed attention; The inlet that coagulates water pipe exports last down; The dash device is connected with vavuum pump by connecting internal thread; The filter of filtered water steam foreign material places dash device outside.
Water pipe places the bottom of vacuum cooled chamber with fixed attention; such layout steam is big with the collision probability that coagulates water pipe, and the condensation effect of water vessel is good, is equipped with filter; the effective suspension in the filtering gas; be equipped with the dash device, water vapour and the collision of dash thing deposit, and incoagulable gas is taken away; therefore after having added filtrate and dash thing; can be to improve condensation effect, reduce the volume of vavuum pump, the protection vavuum pump.
Description of drawings
Fig. 1 is the water vessel structure chart;
Fig. 2 is for coagulating the water pipe vertical view;
Fig. 3 is filtration device structure figure;
Fig. 4 is a dash device structure chart.
The specific embodiment
By Fig. 1, shown in Figure 2, a kind of vacuum precooling device water vessel is characterized in, it is formed by coagulating water pipe 1, filter 7 and dash device 6; Water pipe 1 places the bottom of vacuum cooled chamber 2 with fixed attention; The inlet 11 that coagulates water pipe 1 exports 10 last down; Dash device 6 is connected with vavuum pump 4 by connecting internal thread 5; The filter 7 of filtered water steam foreign material places dash device 6 outsides.The treating capacity of present embodiment vacuum cooling unit design is 5Kg/ time, coagulates the water pipe 1 reason amount calculating that Clicks here and selects 4.7 meters of the copper pipes of ￠ 19mm for use, is arranged in the bottom of vacuum cooled chamber 2, and the water that gets off of condensation falls within 2 bottoms, vacuum cooled chamber like this, is emitted by discharging valve 3.The circular steel plate 8 that is used to put electronic scale in the vacuum cooled chamber 2 is welded on the support of vacuum cooled chamber interior walls, is drilled with two circle circular holes 9 equably at the steel plate outer peripheral portion, and it is circular to coagulate water pipe 1 dish, and five circles are arranged in the bottom of circular hole on the steel plate up and down altogether.Vavuum pump 4 vacuumizes from the bottom of vacuum cooled chamber 2, and the water vapour of evaporation passes from the circular hole 9 on the steel plate 8, thereby water pipe 1 condensation with fixed attention of collision bottom arranges that like this water vapour is big with the collision probability that coagulates water pipe, and the condensation effect of water vessel is good.When coagulating the calculating of water pipe, considered the problem that condensed water evaporates again simultaneously, the length of condenser coil has certain allowance, making refrigerating medium ensphere mouth 11 from following one on the layout of importing and exporting enters, go out from top outlet 10, make like this to be equivalent to subcooler below the water vessel, guaranteed that condensed water can not evaporate again.In the process of vacuum cooled, extracting in the process of vavuum pump 4, the foreign material of some light weight in water vapour and the food can move to the vavuum pump direction, if water vapour or foreign material are drawn into vavuum pump, water vapour can be dissolved in the lubricating oil, lubricating condition is worsened, add galling and oil consumption, and the sealing variation in pump housing slit, reduce the vacuum pump performance, arranged filter 7 in this device, it is a kind of in-depth filtration element, effectively the suspension in the filtering gas.Its adopts special cotton fiber 12 outer attached fabric 13 precisions to be wrapped on the stephanoporate framework 14 and makes, the slit that inside has width not wait, stream molecule and the foreign material of taking out in the mist of vavuum pump can be filtered, simultaneously, the speed of mixed airflow is reduced, water vapour and foreign material are adsorbed on its surface easily, thereby very a spot of water vapour is passed through.Take out behind the mist process filter of vavuum pump, foreign material and most water vapour are filtered, also have a spot of steam can take out to vavuum pump, behind filter, arrange the dash device in this device, as shown in Figure 4, hole direction on the dash thing is super following, and water vapour and the collision of dash thing deposit, and incoagulable gas is taken away.
We have carried out the vacuum cooled experiment to 3Kg Chinese cabbage, when not adding filtrate and dash thing, have 119 gram water condensations to get off, and have 143 gram water condensations to get off after having added, and coagulate water efficient and improve 20% nearly.The specific volume of water vapour is 32.89m in the time of 30 ℃
3/ Kg, and in the time of 0 ℃, be 206.175m
3/ Kg supposes that condensation rate is even, does not then add filtrate and dash thing vavuum pump need strengthen about 20 times.Therefore after having added filtrate and dash thing, can be to improve condensation effect, reduce the volume of vavuum pump, the protection vavuum pump.
Claims (2)
1. an efficient water vessel is characterized in that, it is formed by coagulating water pipe (1), filter (7) and dash device (6); Water pipe (1) places the bottom of vacuum cooled chamber (2) with fixed attention; The inlet (11) that coagulates water pipe (1) exports (10) last down; Dash device (6) is connected with vavuum pump (4) by connecting internal thread (5); The filter (7) of filtered water steam foreign material places dash device (6) outside.
2. a kind of efficient water vessel according to claim 1 is characterized in that, described filter (7) is wrapped in stephanoporate framework (14) by the outer attached fabric (13) of cotton fiber (12) and goes up and make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520012555 CN2760479Y (en) | 2004-04-08 | 2005-04-08 | Highly effective water vessel |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200420021811 | 2004-04-08 | ||
| CN200420021811.1 | 2004-04-08 | ||
| CN 200520012555 CN2760479Y (en) | 2004-04-08 | 2005-04-08 | Highly effective water vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2760479Y true CN2760479Y (en) | 2006-02-22 |
Family
ID=36082682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520012555 Expired - Lifetime CN2760479Y (en) | 2004-04-08 | 2005-04-08 | Highly effective water vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2760479Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100334413C (en) * | 2004-04-08 | 2007-08-29 | 上海理工大学 | Water catcher for vacuum precooling device |
| CN101975495A (en) * | 2010-09-28 | 2011-02-16 | 上海理工大学 | Ice-storage water catcher used for vacuum cooling device |
| CN113694557A (en) * | 2021-09-23 | 2021-11-26 | 北京卫星环境工程研究所 | Water vapor trapping device in vacuum environment |
| CN115574547A (en) * | 2022-02-23 | 2023-01-06 | 上海理工大学 | Ultrasonic-assisted freeze drying method |
-
2005
- 2005-04-08 CN CN 200520012555 patent/CN2760479Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100334413C (en) * | 2004-04-08 | 2007-08-29 | 上海理工大学 | Water catcher for vacuum precooling device |
| CN101975495A (en) * | 2010-09-28 | 2011-02-16 | 上海理工大学 | Ice-storage water catcher used for vacuum cooling device |
| CN113694557A (en) * | 2021-09-23 | 2021-11-26 | 北京卫星环境工程研究所 | Water vapor trapping device in vacuum environment |
| CN113694557B (en) * | 2021-09-23 | 2022-09-02 | 北京卫星环境工程研究所 | Water vapor trapping device in vacuum environment |
| CN115574547A (en) * | 2022-02-23 | 2023-01-06 | 上海理工大学 | Ultrasonic-assisted freeze drying method |
| CN115574547B (en) * | 2022-02-23 | 2023-12-01 | 上海理工大学 | Ultrasonic-assisted freeze drying method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20050408 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |