CN109506421A - A kind of solidifying dehumidifying drying method of cheese negative pressure pumping - Google Patents
A kind of solidifying dehumidifying drying method of cheese negative pressure pumping Download PDFInfo
- Publication number
- CN109506421A CN109506421A CN201811190708.2A CN201811190708A CN109506421A CN 109506421 A CN109506421 A CN 109506421A CN 201811190708 A CN201811190708 A CN 201811190708A CN 109506421 A CN109506421 A CN 109506421A
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- Prior art keywords
- dry gas
- drying
- negative pressure
- cheese
- vacuum pump
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/003—Supply-air or gas filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a kind of cheese negative pressure to take out solidifying dehumidifying drying method, dry gas dries the material in yarn cylinder after heat exchanger heats, after drying, the dry gas in condenser pipe is set to be in negative pressure state by vacuum pump, condenser pipe carries out cool-down dehumidification to dry gas, dry gas inflow heat exchanger after dehumidifying, into next drying cycle.The present invention has invented a kind of drying dehumidification method for taking out solidifying negative pressure expander, by carrying out dehumidification operation to the dry gas after being circulated throughout each time, dry gas is able to maintain good functions/drying, the dry gas in condenser pipe is set to be in negative pressure state by vacuum pump simultaneously, reduce solubility of the moisture in dry gas, so that effect on moisture extraction is more preferable, the drying efficiency of dry gas is substantially increased.
Description
Technical field
The present invention relates to scattered fine and cheese drying dehumidification field, especially a kind of cheese negative pressure takes out solidifying dehumidifying drying side
Method.
Background technique
During production dissipates fine or cheese, it usually needs dyed to scattered fine or cheese, fibre is dissipated after dyeing
Or it can be containing the large quantity of moisture that dyeing water leaves, if carried out by way of natural drying to scattered fine or cheese on cheese
Drying spends the time too long, and the influence of weather and environment is very big.And at present using the method for sealing circulation drying to scattered fibre
Drying operation is carried out with cheese, drying is constantly dried to material by recyclegas, but the water content in recyclegas
It is continuously increased, for dry efficiency with regard to low one point, generally existing inefficiency, drying effect are poor, influence dye after being circulated throughout each time
The problem of chromaticness amount.
Summary of the invention
The present invention provides a kind of cheese negative pressure to take out solidifying dehumidifying drying method, solves efficiency existing for existing drying technology
It is low, effect is poor, influence dyeing quality the problem of.
The technical solution adopted by the present invention to solve the technical problems is: a kind of solidifying dehumidifying drying side of cheese negative pressure pumping
Method, the condenser pipe including drying cycle and connection drying cycle, dry gas are evaporated drying to material in drying cycle,
Partially dried gas after evaporation drying enters in condenser pipe, and condenser pipe carries out cool-down dehumidification to dry gas, and vacuum pump extracts
Dry gas in drying cycle or condenser pipe makes the dry gas in drying cycle be in negative pressure state.
Preferably, the drying cycle includes yarn cylinder, heat exchanger and circulating line, and the dry gas passes through circulation pipe
Road circulates between yarn cylinder and heat exchanger.
Preferably, the condensation bottom of the tube is connected with condensation water tank, is controlled to a vacuum pump at the top of condensation water tank, in condenser pipe
Condensed water entrainment dry gas flow into condensation water tank in, vacuum pump extract condensation water tank in dry gas so that drying follow
Dry gas in ring is in negative pressure state.
Preferably, vacuum sensor is equipped in the drying cycle, vacuum sensor is for controlling drying cycle
Vacuum degree, control process are as follows: when the vacuum degree in drying cycle reaches or surpasses setting value, vacuum pump is closed；Work as drying
When vacuum degree in circulation is lower than setting value, vacuum pump is opened.
It preferably, further include the air inlet pipe being arranged on circulating line, the air inlet pipe is equipped with control valve, and air inlet pipe is logical
Enter outside air, control valve is used to control the disengaging of outside air.
Preferably, air inlet filter is additionally provided at the air inlet pipe.
Preferably, circulation air filter is equipped at the circulating line of the connection yarn cylinder exhaust end.
Preferably, circulating fan is equipped in the circulating line, circulating fan is that dry gas flows in circulating line
Power source.
It preferably, further include the cooling-water machine being connect with condenser pipe, the cooling-water machine provides cold temperature source for condenser pipe.
Preferably, the vacuum pump is water ring vacuum pump, is equipped with water tank in water ring vacuum pump, water tank mentions for water ring vacuum pump
For working solution, water tank is connected by circulation by water pipe and cooling-water machine, and the water tank, cooling-water machine form a closure water circulation.
The beneficial effects of the present invention are:
1 present invention has invented a kind of drying dehumidification method for taking out solidifying negative pressure expander, after to being circulated throughout each time
Dry gas carry out dehumidification operation, dry gas is able to maintain good functions/drying, while making condenser pipe by vacuum pump
In dry gas be in negative pressure state, solubility of the moisture in dry gas is reduced, so that effect on moisture extraction is more preferable, significantly
Improve the drying efficiency of dry gas；
2 present invention supplement fresh dry gas using air inlet pipe, avoid the dry gas mistake extracted due to vacuum pump
The problem of more and then influence drying efficiency；
3 present invention using water ring vacuum pump as the vacuum pump for causing condenser pipe internal negative pressure environment, by water tank with it is cold
Water dispenser is connected by circulation, and allows the water to recycle between water tank and cooling-water machine, is realized water circulation, is substantially increased
The utilization efficiency of water saves water resource, avoids waste.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is a kind of overall structure diagram of preferred embodiment of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing
The technical effect of design of the invention, specific structure and generation is clearly and completely described, to be completely understood by the present invention
Purpose, feature and effect.Obviously, described embodiment is a part of the embodiments of the present invention, rather than is all implemented
Example, those skilled in the art's other embodiments obtained without creative efforts, belongs to the present invention
The range of protection.
Referring to Fig.1, the preferably embodiment of solidifying dehumidifying drying method, including yarn cylinder 1, heat are taken out for a kind of cheese negative pressure
Exchanger 2, condenser pipe 3, yarn cylinder 1, heat exchanger 2, condenser pipe 3 are connected by circulating line 4, and circulating line 4 can be logical for sealing
Air piping forms a drying cycle, the circulation pipe that connection yarn cylinder 1 exports by circulating line 4 between yarn cylinder 1, heat exchanger 2
Condenser pipe 3 is equipped at road 4.The cycle period of drying cycles are as follows: dry gas first passes around heat exchanger 2, becomes hot-air, heat
Air then flows through yarn cylinder 1, and the material of yarn cylinder 1 is dried, and takes away the moisture in material, and condenser pipe 3 removes in hot-air
Moisture and hot-air is become to the dry gas of low temperature, dry gas continues to flow to heat exchanger 2, starts next circulation.
Drying cycle is the evaporation drying course of material: dry gas enters in yarn cylinder 1, after the heating of heat exchanger 2 to yarn cylinder 1
In material be evaporated drying, the dry gas after evaporation drying carries out drying next time and follows again through over-heat-exchanger 2
Ring.Condenser pipe 3 is used for the cool-down dehumidification of dry gas, i.e., enters in condenser pipe 3 from the hot and humid gas come out in yarn cylinder 1, condenses
Pipe carries out dehumidification operation to dry gas.
Further, the invention also includes condenser pipe water tank 7 and vacuum pump 6, condensation water tank 5 is tightly connected by metallic water pipe
Bottom of the tube is condensed, vacuum pump 6 connects 5 top of condensation water tank by gas-guide tube.Condensation water tank 5 is cold in condenser pipe 3 for recycling
Condensate when flowing into condensation water tank 5 due to the water in condenser pipe 3, can be entrained with certain dry gas, vacuum pump 6 is then for removing
Remove the gas in condensation water tank 5.After vacuum pump 6 extracts the dry gas flowed into condensation water tank, so that in condensation water tank 5
Air pressure is lower than the air pressure in condenser pipe 3, and the condensed water in condenser pipe 3 increases dry since pressure difference accelerates to flow into condensation water tank 5
Dry circulation rate, simultaneously because the air extracted in vacuum pump 6 is dry gas, so that the air pressure in condenser pipe 3 is lower than standard
Atmospheric pressure, dry gas are in negative pressure state, reduce solubility of the moisture in dry gas, and moisture is easier to be condensed into liquid
State water greatly improves the dehumidification efficiency of condenser pipe 3.
Further, vacuum sensor is equipped in drying cycle, vacuum sensor is vacuum meter, and vacuum meter is arranged in yarn
In cylinder 1, vacuum sensor is used to control the vacuum degree in drying cycle, is in the dry gas in drying cycle centainly
Negative pressure state.Vacuum sensor has controller by circuit connection, and controller controls the opening and closing of vacuum pump, and control process is such as
Under: when the vacuum degree in yarn cylinder 1 reaches at or above setting value, controller controls vacuum pump 6 and closes；Vacuum in yarn cylinder 1
When degree is lower than setting value, controller controls vacuum pump 6 and opens, so that the gas in yarn cylinder 1 is in a specific negative pressure always
Under state.
Further, circulating fan 9 is equipped in circulating line 4, the power source that circulating fan 9 circulates as dry gas pushes away
Dynamic dry gas moves in circulating line 4.In the present embodiment, circulating fan 9 uses fan impeller, is pushed away by wheel rotor
Dynamic dry gas constantly moves in circulating line 4.
Further, circulating line 4 is equipped with air inlet pipe 14, and air inlet pipe 14 is for being passed through fresh air outside, as dry
Operation is dried to the material in yarn cylinder 1 in pathogenic dryness body, has the function of supplementing dry gas, and dry gas is not in anti-locking apparatus
Foot.Control valve 13 is equipped between air inlet pipe 14 and circulating line 4, control valve 13 is used to control the disengaging of outside air.Air inlet pipe
Air inlet filter 10 is equipped at 14, for removing the impurity in outside air.
Further, air inlet pipe 14 is arranged on connection heat exchanger 2 and the circulating line 4 of air inlet pipe 14, and circulating fan 9 is set
It sets between air inlet pipe 14 and heat exchanger 2, due to the beginning that heat exchanger 2 is drying cycles, the setting of air inlet pipe 14 is handed in heat
2 front end of parallel operation is directly entered heat exchanger 2 convenient for outside air, to start to be dried circulation, circulating fan 9 be arranged into
Between tracheae 14 and heat exchanger 2, convenient for the velocity of liquid assets of gas in the inflow of outside air and quickening circulating line 4.
Further, dry gas filter 11 is additionally provided in circulating line 4, connection yarn cylinder is arranged in dry gas filter 11
At the circulating line 4 of 1 exhaust end, dry gas filter 11 is used to remove the impurity in the hot-air after yarn cylinder 1.
Further, condenser pipe 3 connects cooling-water machine 8 by pipeline, and cooling-water machine 8 is that condenser pipe 3 provides cold temperature source, control condensation
The inside of pipe 3 is in a stable low temperature environment, so that steaming by being in gaseous moisture or water in the hot-air of condenser pipe 3
Temperature degree and air pressure change liquefaction become condensed water, and hot-air is become the dry gas under low temperature or normal temperature state.Connection
The pipeline of condenser pipe 3 and cooling-water machine 8 can be metallic water pipe, or plastic water pipe.Dry gas can be air, can also
Think other gases with drying effect.
Further, vacuum pump 6 is water ring vacuum pump, and water tank 7 is equipped in vacuum pump 6, and water tank 7 connects cold water by water pipe 12
Machine 8, cooling-water machine 8 and water tank 7 form the internal water being closed and recycle, i.e., the water in water tank 7 can be used for the water ring of itself
Vacuum pump, while can be used in cooling-water machine 8, form the effect recycled.In the present embodiment, water pipe 12 is metal
Water pipe.Water ring vacuum pump is provided with the eccentric rotor with fixed blade, is that water (liquid) is thrown to stator wall, water (liquid) formation
The concentric pendular ring with stator, pendular ring constitute a kind of rotary volume-variable product vacuum pump 6 of variable volume together with rotor blade.In pendular ring
Liquid provided by water tank 7.
Specific implementation method of the invention is as follows: being passed through fresh dry gas, dry gas by air inlet pipe 14 first
It is blown in inflow heat exchanger 2 through circulating fan 9, heat exchanger 2 heats dry gas, and dry gas is heated laggard
Enter yarn cylinder 1, the material in yarn cylinder 1 sufficiently dry, incorporates the moisture of material in dry gas in a manner of evaporating, with
Afterwards dry gas by circulation air filter 11 remove its in impurity, later flow into condenser pipe 3 in, by condenser pipe 3 into
Row sufficiently dehumidifying, passes through circulating fan 9 for the dry gas after dehumidifying again, carries out the drying operation of a new round.Wherein, when logical
After entering sufficient dry gas, control valve 1313 is closed, avoids the dry of the dry gas in the air impact circulation of air inlet pipe 14
Dry effect.Method of the present invention by taking out solidifying expander, the rule of the aerial solubility of water is reduced in conjunction with negative pressure, sufficiently
The moisture removed in the dry gas by yarn cylinder 1 realizes drying so that dry gas has good functions/drying again
The recycling of gas, the present invention substantially increase drying efficiency and drying effect by continuous drying cycles.
The above, only better embodiment of the invention, but the present invention is not limited to above-described embodiments, as long as
The technical effect of the present invention is achieved by any identical or similar means for it, all should belong to protection scope of the present invention.
Claims (10)
1. a kind of cheese negative pressure takes out solidifying dehumidifying drying method, including drying cycle and the condenser pipe being connected on drying cycle
(3), which is characterized in that dry gas is evaporated drying to material in drying cycle, the partially dried gas after evaporation drying
Body enters in condenser pipe (3), and condenser pipe (3) carries out cool-down dehumidification to dry gas, and vacuum pump (6) extracts drying cycle or condensation
The dry gas in (3) is managed, the dry gas in drying cycle is made to be in negative pressure state.
2. a kind of cheese negative pressure according to claim 1 takes out solidifying dehumidifying drying method, which is characterized in that the drying follows
Ring includes the circulating line (4) of yarn cylinder (1), heat exchanger (2) and connection yarn cylinder (1) and heat exchanger (2), the dry gas
It is circulated between yarn cylinder (1) and heat exchanger (2) by circulating line (4).
3. a kind of cheese negative pressure according to claim 1 takes out solidifying dehumidifying drying method, which is characterized in that the condenser pipe
(3) bottom is connected with condensation water tank (5), is connect at the top of condensation water tank (5) with vacuum pump (6), the condensed water folder in condenser pipe (3)
Band dry gas flows into condensation water tank (5), and vacuum pump (6) extracts the dry gas in condensation water tank (5), so that drying cycle
In dry gas be in negative pressure state.
4. a kind of cheese negative pressure according to claim 1 takes out solidifying dehumidifying drying method, which is characterized in that the drying follows
Vacuum sensor is equipped in ring, vacuum sensor is used to control the vacuum degree of drying cycle, and control process is as follows: working as drying
When vacuum degree in circulation reaches or surpasses setting value, vacuum pump is closed；When the vacuum degree in drying cycle is lower than setting value,
Vacuum pump is opened.
5. a kind of cheese negative pressure according to claim 2 takes out solidifying dehumidifying drying method, which is characterized in that further include setting
Air inlet pipe (14) on circulating line (4), the air inlet pipe (14) are equipped with control valve (13), and air inlet pipe (14) is passed through outside
Air, control valve (13) are used to control the disengaging of outside air.
6. a kind of cheese negative pressure according to claim 5 takes out solidifying dehumidifying drying method, which is characterized in that the air inlet pipe
(14) air inlet filter (10) are additionally provided at.
7. a kind of cheese negative pressure according to claim 2 takes out solidifying dehumidifying drying method, which is characterized in that the connection yarn
Circulation air filter (11) are equipped at the circulating line (4) of cylinder (1) exhaust end.
8. a kind of cheese negative pressure according to claim 2 takes out solidifying dehumidifying drying method, which is characterized in that the circulation pipe
Circulating fan (9) are equipped in road (4), circulating fan (9) is the power source that dry gas flows in circulating line (4).
9. a kind of cheese negative pressure according to claim 1 takes out solidifying dehumidifying drying method, which is characterized in that further include with it is cold
The cooling-water machine (8) of solidifying pipe (3) connection, the cooling-water machine (8) are that condenser pipe (3) provide cold temperature source.
10. a kind of cheese negative pressure according to claim 9 takes out solidifying dehumidifying drying method, which is characterized in that the vacuum
Pumping (6) is water ring vacuum pump, is equipped with water tank (7) in water ring vacuum pump, water tank (7) provides working solution, water tank for water ring vacuum pump
(7) it is connected by circulation by water pipe (12) with cooling-water machine (8), the water tank (7), cooling-water machine (8) form a closure water circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811190708.2A CN109506421A (en) | 2018-10-12 | 2018-10-12 | A kind of solidifying dehumidifying drying method of cheese negative pressure pumping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811190708.2A CN109506421A (en) | 2018-10-12 | 2018-10-12 | A kind of solidifying dehumidifying drying method of cheese negative pressure pumping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109506421A true CN109506421A (en) | 2019-03-22 |
Family
ID=65746509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811190708.2A Pending CN109506421A (en) | 2018-10-12 | 2018-10-12 | A kind of solidifying dehumidifying drying method of cheese negative pressure pumping |
Country Status (1)
| Country | Link |
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| CN (1) | CN109506421A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195297A (en) * | 2019-04-23 | 2019-09-03 | 北京机科国创轻量化科学研究院有限公司 | Cheese process equipment and cheese processing method |
| CN110523096A (en) * | 2019-07-24 | 2019-12-03 | 天津科技大学 | The scale drying device and method of probiotics feed liquid sublimation drying can be shortened |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1034422A (en) * | 1987-10-24 | 1989-08-02 | 国家机械工业委员会沈阳真空技术研究所 | Closed vacuum hot-air dry system |
| US5806204A (en) * | 1997-06-13 | 1998-09-15 | Mmats, Inc. | Material dryer using vacuum drying and vapor condensation |
| CN202885472U (en) * | 2012-09-12 | 2013-04-17 | 上海九天塑料薄膜有限公司 | Dehumidification circulation system |
| CN103375979A (en) * | 2012-04-16 | 2013-10-30 | 泰科电子(上海)有限公司 | Condensation and heat-exchange device, drying equipment and clothes drying equipment |
| CN205656061U (en) * | 2016-04-08 | 2016-10-19 | 广东省东莞市质量监督检测中心 | Negative pressure formula circulated air drying equipment |
| CN107289742A (en) * | 2017-07-03 | 2017-10-24 | 三峡大学 | A kind of tiny structure low temperature drying device and its drying process |
| CN108444278A (en) * | 2018-05-08 | 2018-08-24 | 苏州末尘节能科技有限公司 | Continuous displaced type dehumidifying drying equipment |
-
2018
- 2018-10-12 CN CN201811190708.2A patent/CN109506421A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034422A (en) * | 1987-10-24 | 1989-08-02 | 国家机械工业委员会沈阳真空技术研究所 | Closed vacuum hot-air dry system |
| US5806204A (en) * | 1997-06-13 | 1998-09-15 | Mmats, Inc. | Material dryer using vacuum drying and vapor condensation |
| CN103375979A (en) * | 2012-04-16 | 2013-10-30 | 泰科电子(上海)有限公司 | Condensation and heat-exchange device, drying equipment and clothes drying equipment |
| CN202885472U (en) * | 2012-09-12 | 2013-04-17 | 上海九天塑料薄膜有限公司 | Dehumidification circulation system |
| CN205656061U (en) * | 2016-04-08 | 2016-10-19 | 广东省东莞市质量监督检测中心 | Negative pressure formula circulated air drying equipment |
| CN107289742A (en) * | 2017-07-03 | 2017-10-24 | 三峡大学 | A kind of tiny structure low temperature drying device and its drying process |
| CN108444278A (en) * | 2018-05-08 | 2018-08-24 | 苏州末尘节能科技有限公司 | Continuous displaced type dehumidifying drying equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195297A (en) * | 2019-04-23 | 2019-09-03 | 北京机科国创轻量化科学研究院有限公司 | Cheese process equipment and cheese processing method |
| CN110195297B (en) * | 2019-04-23 | 2022-02-11 | 北京机科国创轻量化科学研究院有限公司 | Cheese processing equipment and cheese processing method |
| CN110523096A (en) * | 2019-07-24 | 2019-12-03 | 天津科技大学 | The scale drying device and method of probiotics feed liquid sublimation drying can be shortened |
| CN110523096B (en) * | 2019-07-24 | 2022-03-04 | 天津科技大学 | Large-scale drying device and method capable of shortening probiotic feed liquid freeze-drying time |
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Application publication date: 20190322 |