CN1987314A - Integrated machine for vacuum freezing and drying - Google Patents
Integrated machine for vacuum freezing and drying Download PDFInfo
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- CN1987314A CN1987314A CNA2006101051913A CN200610105191A CN1987314A CN 1987314 A CN1987314 A CN 1987314A CN A2006101051913 A CNA2006101051913 A CN A2006101051913A CN 200610105191 A CN200610105191 A CN 200610105191A CN 1987314 A CN1987314 A CN 1987314A
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Abstract
The integrative equipment includes evaporator, water condenser, and refrigerating compressor set. Outlet of water cooler is connected to low-pressure air suction port of the compressor, and inlet of water cooler is connected to outlet of water condenser. Inlet of the separator for liquid and gas is connected to outlet of the evaporator. Through valve, outlet of the separator is connected to high-pressure air suction ports of the water cooler and the compressor respectively. Low-pressure vent of the compressor is connected to inlet of heater. High-pressure vent of the compressor is connected to inlet of oil separator. Inlet of the heater is connected to oil separator. Air suction port of vacuum pump is connected to water condenser storehouse, etc. taking full advantage of cold source and heat source, the invnertion cools and heats materiel so as to reduce total installed power two over three, and reduce electricity consumption one half.
Description
Technical field
The present invention relates to a kind of drying equipment, particularly a kind of integrated machine for vacuum freezing and drying.
Background technology
In the last few years, Vacuum Freezing ﹠ Drying Technology had had significant progress in China.Because the material of quick-frozen need not through the thawing of ice and is that steam distributes and makes it dehydration from solid-state distillation directly in the freeze-drying process, thereby the color, smell and taste of former FF and the face shaping of nutritional labeling and former FF have been kept to greatest extent, rehydration is fabulous, can finish recovery in several minutes in the several seconds, its look, flavor, shape and fresh product are identical substantially; Because dehydration thoroughly, product need not add any anticorrisive agent just can be preserved more than 5 years at normal temperatures, and finished weight is light, easy to carry and transport, has been subjected to consumers in general's approval.But the following problem of present vacuum freeze ubiquity both domestic and external:
1, no matter be homemade or the import equipment ubiquity too expensive, make a lot of food producer hang back, as RAY50 type freeze-drier (the freeze-drying area 45m of the ATLAS of Denmark
2) offer up to 1,050,000 dollars.And homemade freeze dryer is just at the early-stage in recent years, and aspect of performance and external product also have very big gap;
2, the energy consumption of production process is very high, causes the production cost height.Because in the vacuum freeze drying process, need carry out on the one hand freezingly to material, need on the other hand the material after freezing under vacuum state, to carry out heat drying, particularly the energy consumption during heat drying is very big.It is at present both domestic and external that large-scale (the freeze-drying area is greater than 35m
2) freezing, the dry separation of vacuum freeze major part employing, promptly freezing employing quick freezing repository carries out, and the material after the quick-frozen is moved to carry out the vacuum sublimation drying in the dryness storehouse then, and so just the independent supporting construction quick freezing repository of palpus makes the raising of freeze-drying cost.When in addition material being carried out lyophilization, electrical heating or Steam Heating are all adopted in heating at present.When adopting electrical heating, need in the freeze-drying storehouse, add a large amount of electrical heating elements, the cost of equipment and energy consumption are improved, because the humidity in the freeze-drying storehouse is very big, cause the service life of electrical heating elements lower simultaneously, the maintenance cost of equipment is risen.If the employing Steam Heating, necessary supporting boiler room and water-cooling apparatus so just cause the one-time investment cost too high, and the environmental issue of boiler room is difficult to solve simultaneously.
For above-mentioned reasons, seriously restricted the development of frozen dried food.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, the heat that provides a kind of refrigeration compressor that utilizes vacuum freeze in process of refrigerastion, to produce, for dry run provides thermal source, need not to adopt separately electrical heating or steam-heated integrated machine for vacuum freezing and drying.
For achieving the above object, technical scheme of the present invention is: a kind of integrated machine for vacuum freezing and drying, comprise the freeze-drying storehouse, the evaporimeter of installing in the freeze-drying storehouse, be fixedly mounted on the sump that coagulates on the freeze-drying storehouse, be installed in the cryophorus that coagulates in the sump, vavuum pump and by condenser, fluid reservoir, oil eliminator, the refrigeration compressor set that compressor is formed, it is characterized in that above-mentioned compressor is the stage type compressor, the outlet of water cooler links to each other with stage type compressor low pressure air suction mouth, the import of water cooler links to each other with the outlet of cryophorus in coagulating sump, the import of liquid-gas separator links to each other with the outlet of evaporimeter in the freeze-drying storehouse, the liquid-gas separator outlet links to each other with the high pressure air entry of water cooler and stage type compressor respectively by valve, the low pressure exhaust mouth of stage type compressor links to each other with the import of heater, the high-pressure exhaust of stage type compressor links to each other with the import of oil eliminator, and the import of heater is connected by pipeline with oil eliminator; One of them outlet of heater is connected with the import of condenser by valve, and another outlet is connected with the import of evaporimeter and the import of coagulating the cryophorus in the sump in the freeze-drying storehouse respectively by valve and valve respectively; The air entry of vavuum pump with coagulate sump and be connected, coagulate sump and be connected with the freeze-drying storehouse.
Between the high pressure air entry of stage type compressor and low pressure exhaust mouth, be connected and installed with intercooler by pipeline and valve.
The cooling water import and export of above-mentioned cooler links to each other with cooling water import and export on condenser, compressor, the vavuum pump respectively.
Above-mentioned valve is an electrically-controlled valve.
Characteristics of the present invention are:
1, this technical scheme makes full use of low-temperature receiver and the thermal source in the refrigeration compressor set running, and material is cooled off and heats.The temperature of the high-temperature high-pressure refrigerant that the high and low pressure exhaust outlet of refrigeration compressor set is discharged can reach below 150 ℃.In the dry materials process, the high-temperature gas that utilizes the high and low pressure exhaust outlet to discharge heats for the heater that it links to each other, the thermal source that adds thermal material with heated high temperature refrigerant as the freeze-drying storehouse, Steam Heating or electrical heating have been saved, compare with the vacuum freeze of present employing Steam Heating or electrically heated same working ability, total installed capacity power can reduce 2/3rds, and the power consumption in the equipment running process reduces by 1/2nd.The power consumption of every kilogram of freeze-dried products is less than 1.5KW.
2, utilize the technical program to carry out when freezing, dry, freeze drying is all carried out in the freeze-drying storehouse, need not to set up separately quick freezing repository, and omitted boiler or the electrical heating elements in the dry run, and water cooling tower and pump house, investment in fixed assets is reduced greatly, the problem of non-environmental-pollution.
Description of drawings
Accompanying drawing 1 is operation principle schematic diagram of the present invention.
The specific embodiment
Embodiment 1:
As shown in Figure 1, the technical program mainly by the evaporimeter of installing in freeze-drying storehouse 1, the freeze-drying storehouse 3, be fixedly mounted on coagulating sump 4, be installed in cryophorus 5 in the sump with fixed attention on the freeze-drying storehouse, vavuum pump 31 and form by the compressor bank that condenser 10, fluid reservoir 14, oil eliminator 16, compressor 21 are formed.What compressor 21 adopted is the stage type compressor.In use, at first will need the material of freeze-drying to pack in the dish, the dish layering of putting material will be put on the evaporimeter of freeze-drying storehouse.Generally, requirement is to technology of compressors: the temperature of low pressure exhaust mouth is lower than 120 ℃, and the temperature of high-pressure exhaust is lower than 150 ℃.
The material refrigerating process is as follows:
When compressor 21 is started working, valve 19 between valve before the low pressure air suction mouth 22 and low pressure exhaust mouth and the intercooler is opened, the low pressure air suction mouth of compressor 21 sucks the cold-producing medium of low temperature, low pressure, after compressing by the low-pressure stage of compressor, discharge by the low pressure exhaust mouth, after intercooler 23 coolings, enter the high pressure air entry of compressor by pipeline 24, after the hiigh pressure stage of compressed machine is compressed, discharge by high-pressure exhaust.The purpose of intercooler 23 is to reduce the temperature that enters cold-producing medium in the high pressure air entry.High temperature, the high-pressure refrigerant of being discharged by high-pressure exhaust pass through valve 20, pipeline 18, oil eliminator 16, heater 15, valve 9, condenser 10, valve 13, fluid reservoir 14, valve 12, pipeline 11, valve 7 in proper order, enter the evaporimeter 3 in the freeze-drying storehouse, absorb heat by evaporimeter, the material that is placed on it is freezing, cold-producing medium returns the low pressure air suction mouth of compressor 21 in proper order by liquid-gas separator 25, valve 29, water cooler 30, pipeline 26, valve 22 then, finishes kind of refrigeration cycle one time.At this moment valve 6,8,27 is closed.
After reaching the freezing state that needs when material, the keying by valve changes and just can realize being transformed to drying by freezing, and the cryophorus 5 that coagulates in the sump 4 is freezed, and its process is as follows:
Valve 7,29 is closed, valve 20,9,13,12,6,22 is opened, cold-producing medium passes through high-pressure exhaust, valve 20, oil eliminator 16, heater 15, valve 9, condenser 10, valve 13, fluid reservoir 14, valve 12, the valve 6 of compressor 21 in proper order, enter sump 4 with fixed attention, make cryophorus 5 refrigeration, the steam in the freeze-drying storehouse 1 is set on the cryophorus 5.Cold-producing medium returns the low pressure air suction mouth of compressor 21 in proper order by water cooler 30, valve 22 then, finishes kind of refrigeration cycle one time.
When cryophorus 5 refrigeration reach requirement, start vavuum pump 31, open valve 8,27, valve-off 19, the cold-producing medium order that the low pressure exhaust mouth of compressor 21 is discharged enters heater 15 by pipeline 17, after the cold-producing medium of the low pressure exhaust mouth being discharged by heater heats, enters evaporimeter 3 by valve 8, heat by 3 pairs of materials that are placed on it of evaporimeter, cold-producing medium enters the low pressure air suction mouth that liquid-gas separator 25, valve 27 return compressor 21 then.
After vavuum pump 31 starts, the pressure that coagulates in the sump 4 is reduced, be communicated with by pipeline 2 with freeze-drying storehouse 1 owing to coagulate sump 4, the pressure in the freeze-drying storehouse 1 decreases.Because 3 pairs of materials of evaporimeter heat, generally require heating-up temperature less than 55 ℃, and freeze-drying storehouse 1 is when being in certain vacuum, the solid water in the material directly distils and is gaseous state, vaporous water is pounced on and is solidified once more after catching by coagulating cryophorus 5 in the sump 4, to guarantee vacuum in the freeze-drying storehouse 1.
In order to make evaporimeter 3 refrigeration and the homogeneous heating in the freeze-drying storehouse 1, make cryophorus 5 refrigeration of coagulating in the sump 4 even, in the import of evaporimeter 3 and cryophorus 5 freeze-drying storehouse refrigeration has been installed respectively, added heat distributor 33 and cryophorus regulation and control distributor 32, so just can effectively solve in the present freeze-drier evaporimeter refrigeration and heat inhomogeneous, the cryophorus uneven problem of freezing.Above-mentioned two distributors are the patent No. 02294448.6 " heat distributor is freezed, adds in the freeze-drying storehouse " the by name utility models by the patent No. 02293619.x " cold-producing medium automatic controlling distributor in the cryophorus " by name of the inventor and application on December 24th, 2002 and application on December 20th, 2002.
Because compressor 21 and vavuum pump 31 need to cool off in use, cooling water is to provide by water cooler 30, that is to say that the entery and delivery port of water cooler 30 links to each other with the entery and delivery port of compressor 21 with vavuum pump 31 respectively.Cooling water import and export on the condenser 10 also links to each other with the entery and delivery port of water cooler 30 simultaneously.
Valve in the technical program adopts electrically-controlled valve, by control circuit its keying is controlled automatically, to realize that material is freezing, the automatic control of dry overall process, while can be passed through in freeze-drying storehouse 1 and be coagulated mounting temperature sensor in the sump 4, and cooperate control device that the cryogenic temperature and the drying temperature curve of material are set, to satisfy the process conditions of freeze-drying different material.
Claims (4)
1, a kind of integrated machine for vacuum freezing and drying, comprise the freeze-drying storehouse, the evaporimeter of installing in the freeze-drying storehouse, be fixedly mounted on the sump that coagulates on the freeze-drying storehouse, be installed in the cryophorus that coagulates in the sump, vavuum pump and by condenser, fluid reservoir, oil eliminator, the refrigeration compressor set that compressor is formed, it is characterized in that above-mentioned compressor (21) is the stage type compressor, the outlet of water cooler (30) links to each other with stage type compressor low pressure air suction mouth, the import of water cooler (30) links to each other with the outlet of cryophorus (5) in coagulating sump (4), the import of liquid-gas separator (25) links to each other with the outlet of the interior evaporimeter in freeze-drying storehouse (1) (3), liquid-gas separator (25) outlet links to each other with the high pressure air entry of water cooler (30) and stage type compressor respectively by valve (29) (27), the low pressure exhaust mouth of stage type compressor links to each other with the import of heater (15), the high-pressure exhaust of stage type compressor links to each other with the import of oil eliminator (16), and the import of heater (15) is connected by pipeline with oil eliminator (16); One of them outlet of heater (15) is connected by the import of valve (9) with condenser (10), and another outlet is connected with the import of coagulating the cryophorus (5) in the sump (4) with the import of the interior evaporimeter in freeze-drying storehouse (1) (3) respectively by valve (8) and valve (6) respectively; The air entry of vavuum pump (31) with coagulate sump (4) and be connected, coagulate sump (4) and be connected with freeze-drying storehouse (1).
2, integrated machine for vacuum freezing and drying according to claim 1 is characterized in that being connected and installed with intercooler (23) by pipeline and valve (19) between the high pressure air entry of stage type compressor and low pressure exhaust mouth.
3, integrated machine for vacuum freezing and drying according to claim 1 and 2, the cooling water import and export that it is characterized in that above-mentioned water cooler (30) link to each other with cooling water import and export on condenser (10), compressor (21), the vavuum pump (31) respectively.
4, integrated machine for vacuum freezing and drying according to claim 1 and 2 is characterized in that above-mentioned valve is an electrically-controlled valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101051913A CN1987314B (en) | 2006-12-19 | 2006-12-19 | Integrated machine for vacuum freezing and drying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101051913A CN1987314B (en) | 2006-12-19 | 2006-12-19 | Integrated machine for vacuum freezing and drying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1987314A true CN1987314A (en) | 2007-06-27 |
| CN1987314B CN1987314B (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101051913A Expired - Fee Related CN1987314B (en) | 2006-12-19 | 2006-12-19 | Integrated machine for vacuum freezing and drying |
Country Status (1)
| Country | Link |
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| CN (1) | CN1987314B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718485B (en) * | 2009-11-25 | 2013-02-06 | 天津商业大学 | Method for drying or concentrating at near freezing temperature and device thereof |
| CN104296502A (en) * | 2013-07-19 | 2015-01-21 | 北京四环科学仪器厂有限公司 | Vacuum freeze drier refrigerating system capable of operating continuously and carrying out defrosting automatically |
| CN104677057A (en) * | 2015-03-03 | 2015-06-03 | 华南理工大学 | Method and equipment for adopting variable-frequency alternating current electric field for assisting freeze drying of drug liposome powder |
| CN106123498A (en) * | 2016-08-15 | 2016-11-16 | 上海共和真空技术有限公司 | A kind of frozen vacuum dryer efficient energy-saving device |
| CN106679353A (en) * | 2017-03-08 | 2017-05-17 | 银川利智信知识产权咨询服务有限公司 | Freezing and drying integrated vacuum freezing and drying machine |
| CN107560329A (en) * | 2017-07-27 | 2018-01-09 | 郑州联慧双创知识产权代理有限公司 | A kind of bio-feritlizer rapid freeze-drying device |
| CN113188305A (en) * | 2021-04-30 | 2021-07-30 | 北京汉浦科技有限公司 | Control method of vacuum drying system for marine wood |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2624878Y (en) * | 2003-05-24 | 2004-07-14 | 刘永成 | Odour resistant refrigerator for corpse |
| CN200986238Y (en) * | 2006-12-19 | 2007-12-05 | 景建军 | Vacuum freezing drying Integrated machine |
-
2006
- 2006-12-19 CN CN2006101051913A patent/CN1987314B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718485B (en) * | 2009-11-25 | 2013-02-06 | 天津商业大学 | Method for drying or concentrating at near freezing temperature and device thereof |
| CN104296502A (en) * | 2013-07-19 | 2015-01-21 | 北京四环科学仪器厂有限公司 | Vacuum freeze drier refrigerating system capable of operating continuously and carrying out defrosting automatically |
| CN104677057A (en) * | 2015-03-03 | 2015-06-03 | 华南理工大学 | Method and equipment for adopting variable-frequency alternating current electric field for assisting freeze drying of drug liposome powder |
| US10415881B2 (en) | 2015-03-03 | 2019-09-17 | South China University Of Technology | Method and device for freeze-drying drug liposomes powder assisted by variable-frequency alternating-current electric field |
| CN106123498A (en) * | 2016-08-15 | 2016-11-16 | 上海共和真空技术有限公司 | A kind of frozen vacuum dryer efficient energy-saving device |
| CN106123498B (en) * | 2016-08-15 | 2018-07-06 | 上海共和真空技术有限公司 | A kind of frozen vacuum dryer efficient energy-saving device |
| CN106679353A (en) * | 2017-03-08 | 2017-05-17 | 银川利智信知识产权咨询服务有限公司 | Freezing and drying integrated vacuum freezing and drying machine |
| CN107560329A (en) * | 2017-07-27 | 2018-01-09 | 郑州联慧双创知识产权代理有限公司 | A kind of bio-feritlizer rapid freeze-drying device |
| CN113188305A (en) * | 2021-04-30 | 2021-07-30 | 北京汉浦科技有限公司 | Control method of vacuum drying system for marine wood |
| CN113188305B (en) * | 2021-04-30 | 2023-11-17 | 张国华 | Control method of marine timber vacuum drying system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1987314B (en) | 2011-01-12 |
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Owner name: NINGXIA XIUSHANHONG BIOTECHNOLOGY DEVELOPMENT CO., Free format text: FORMER OWNER: JING JIANJUN Effective date: 20140926 |
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Effective date of registration: 20140926 Address after: 750001 No. 3, Tiedong lane, Jinfeng District, the Ningxia Hui Autonomous Region, Yinchuan Patentee after: Ningxia Xiushan Biotechnology Development Co., Ltd. Address before: 750001, No. 67, Guangming District, Xingqing District, the Ningxia Hui Autonomous Region, Yinchuan -1-101 Patentee before: Jing Jianjun |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20151219 |
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| EXPY | Termination of patent right or utility model |