CN207975912U - Normal pressure freezes sorption drying device - Google Patents
Normal pressure freezes sorption drying device Download PDFInfo
- Publication number
- CN207975912U CN207975912U CN201820044463.1U CN201820044463U CN207975912U CN 207975912 U CN207975912 U CN 207975912U CN 201820044463 U CN201820044463 U CN 201820044463U CN 207975912 U CN207975912 U CN 207975912U
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- hothouse
- valve
- normal pressure
- freezes
- vacuum
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Drying Of Solid Materials (AREA)
Abstract
The utility model is related to a kind of normal pressures to freeze sorption drying device, including refrigerating plant, the hothouse for storing material, the vacuum extractor for being vacuumized to hothouse and the circulating fan for cold wind caused by refrigerating plant to be blown into hothouse, the vacuum extractor includes vacuum chamber and is set to the water ring vacuum pump of vacuum chamber side.The hothouse both sides are provided with for carrying out cold wind to be uniformly distributed in dry indoor uniform device I and uniform device II, hothouse both sides inlet is provided with the air door I and air door II for opening or closing hothouse, gallery ports are provided on hothouse, it is provided with the humidity sensor of the heater and detection material degree of drying that are heated to material in hothouse, is electrically connected between humidity sensor and high-temperature level compressor.The utility model not only increases the retention cycle of food by normal pressure absorption with merge for Freeze Drying Technique, also retains the original color, smell and taste of food, while can also reduce equipment cost, raising preservation efficiency.
Description
Technical field
The utility model is related to technical field of drying, more particularly to a kind of normal pressure freezes sorption drying device.
Background technology
At this stage, drying device is mostly constant pressure and dry or vacuum freeze drying, and the drying effect of vacuum freeze drying is good, battalion
Form point and flavor loss be few, can original color, smell and taste of retaining food product to the maximum extent, dehydration is thorough, light weight, is suitble to length
Way transport and long-term preservation.In addition, at normal temperatures, using vacuum packaging, the pot-life is 3~5 years, but vacuum refrigeration is dry
Dry equipment itself is invested and running expense is higher, and the refrigerating process time is long, and product cost is high.In addition, normal pressure is adsorbed by drying kind
There are many class, including:Box is dry, transports band drying machine, tunnel type drying, the drying of stirring-type groove profile, rotary dryer, sprays and do
It is dry etc., but the disadvantage is that intermittently operated, drying time is long, uneven drying.
It is asked therefore, it is necessary to be improved to the freezing sorption drying device of normal pressure in the prior art with solving above-mentioned technology
Topic.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of normal pressures to freeze sorption drying device, it is dry by freezing
The combination that dry and normal pressure is adsorbed by drying improves the drying effect of material, extends retention cycle and retains original color, smell and taste, saves
Drying time reduces drying cost.It is realized in particular by following technical scheme:
Including refrigerating plant, the hothouse for storing material, the vacuum extractor for being vacuumized to hothouse and use
In the circulating fan that cold wind caused by refrigerating plant is blown into hothouse, the vacuum extractor includes vacuum chamber and is set to
The water ring vacuum pump of vacuum chamber side.
Further, the adsorption chamber in the vacuum extractor respectively with hot air intake pipeline, heat outlet piping connection, very
Cavity exit is connect with Water-ring vacuum pump inlet, and the vacuum chamber is provided with close to the side of hothouse and opens or closes chamber
Vacuum door is provided with adsorption chamber in the vacuum chamber.
Further, the hothouse both sides are provided with for carrying out cold wind to be uniformly distributed in dry indoor uniform device I
With uniform device II, hothouse both sides inlet is provided with the air door I and air door II for opening or closing hothouse, is arranged in hothouse
There is the humidity sensor of the heater and detection material degree of drying that are heated to material.
Further, the pumped vacuum systems further includes the valve being set on pipeline, and the valve includes being set to vacuum
Between chamber and water ring vacuum pump by apply negative pressure by valve I that vapor be discharged, be set to hot air intake pipeline and be used to suck
The valve II of hot drying gas body and heat outlet pipeline is set to for discharging the valve III of hot drying gas body.
Further, the valve I, valve II and valve III are shut-off valve or solenoid valve.
Further, the outer wall of the air duct, hothouse and adsorption chamber is both provided with insulating layer.
Further, the refrigerating plant includes compression set, condenser, throttling set, intercooler and evaporator, institute
It includes the high-temperature level compressor and recycling released cold quantity for generating high temperature and high pressure gaseous refrigerant to state the compression set in refrigerating plant
The low-temperature level compressor of low-temperature low-pressure refrigerant afterwards, is electrically connected between high-temperature level compressor and humidity sensor;The throttling
Device includes carrying out throttling cooling to high-temperature high-pressure refrigerant on the secondary road pipeline being set between condenser and intercooler
Secondary throttle valve and be set on the pipeline between intercooler and evaporator throttling cooling carried out to low-temperature low-pressure refrigerant
Primary throttle valve.
Further, the evaporator is set in the air duct for transporting cold wind.
Further, the outlet of the high-temperature level compressor and the import of condenser connect, and the secondary road refrigerant of condenser goes out
Mouth is connect with the secondary road refrigerant inlet of intercooler, the main road refrigeration of condenser main road refrigerant outlet and intercooler
Agent import connects, and the outlet of intercooler is connect with the import of the import of high-temperature level compressor, evaporator respectively, evaporator
Outlet is connect with the import of low-temperature level compressor, and the outlet of low-temperature level compressor is connect with the import of high-temperature level compressor.
The beneficial effects of the utility model:The normal pressure of the utility model freezes sorption drying device, by freeze-drying with
Material is blowed in the combination that normal pressure is adsorbed by drying, the cold wind that refrigerating plant generates, and improves the drying effect of material, extends and protect
Cycle of deposit and the original color, smell and taste of reservation, save drying time, reduce drying cost.Other advantageous effects of the utility model will be
It is described further in embodiment in detail below.
Description of the drawings
The utility model is further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of the utility model;
In figure:1, high-temperature level compressor 2, low-temperature level compressor 3, condenser 4, secondary throttle valve 5, intercooler
6, primary throttle valve 7, evaporator 8, circulating fan 9, heater 10, air door I 11, air door II 12, uniform device I 13, drying
Room 14, uniform device II 15, Vacuum door 16, adsorption chamber 17, hot air intake 18, heat outlet 19, valve I 20, water ring are true
Sky pump 21, air duct 22, valve II 23, valve III 24, gallery ports 25, humidity sensor 26, vacuum chamber.
Specific implementation mode
As shown in the figure:Normal pressure in the present embodiment freezes sorption drying device, including refrigerating plant, for storing material
Hothouse 13, the vacuum extractor for being vacuumized to hothouse 13 and for cold wind caused by refrigerating plant to be blown into drying
The circulating fan 8 of room, the vacuum extractor include vacuum chamber 26 and are set to the water ring vacuum pump 20 of vacuum chamber side.
The combination being adsorbed by drying by freeze-drying and normal pressure, is first turned on the gallery ports being arranged on hothouse, by material
It is put into hothouse.Secondly, the cold wind that startup refrigerating plant is generated, which is blown into hothouse, is blowed material, improves object
The drying effect of material extends retention cycle and retains original color, smell and taste, saves drying time, reduces drying cost.
In the present embodiment, adsorption chamber 16 in the vacuum extractor respectively with 17 pipeline of hot air intake, heat outlet 18
Piping connection, the outlet of vacuum chamber 26 are connect with 20 import of water ring vacuum pump, and 26 side of the vacuum chamber, which is provided with, to be opened or closed
The Vacuum door 15 of chamber.The pumped vacuum systems further includes the valve being set on pipeline, and the valve includes being set to vacuum
Between chamber 26 and water ring vacuum pump 20 by apply negative pressure by valve I 19 that vapor be discharged, be set to hot air intake pipeline use
In the valve II 22 for sucking hot drying gas body and it is set to valve III 23 of the heat outlet pipeline for discharging hot drying gas body.
The purpose that adsorption chamber is arranged is, by opening Vacuum door, to open simultaneously valve I and start water ring vacuum pump, water ring
The outlet of vacuum pump and atmosphere make adsorption chamber keep certain negative pressure close to valve I side, and the water from material out steams
Gas will be adsorbed by the adsorbent in adsorption chamber.After adsorbing a period of time, Vacuum door, valve I and water ring vacuum pump are closed, with this
Valve II and valve III are opened simultaneously, the hot drying gas body that hot dry air or the dry nitrogen of heat etc. are not reacted with adsorbent or water is by valve
Door II enters, and is discharged, adsorbent is desorbed, the moisture originally adsorbed in adsorbent will be taken away by hot drying gas body from valve III
And exhaust, after desorption, valve II and valve III are closed.
In the present embodiment, 13 both sides of the hothouse are provided with dry indoor equal for be uniformly distributed in cold wind
Cloth device I 12 and uniform device II 14,13 both sides inlet of hothouse are provided with the air door I 10 and air door II for opening or closing hothouse
11, the humidity sensor 25 of the heater 9 and detection material degree of drying that are heated to material is provided in hothouse 13.
The purpose that uniform device is arranged is cold wind being more uniformly distributed in hothouse, improving material drying effect.
The purpose that air door is arranged is to open air door I and air door II to carrying out cold blowing in hothouse when startup refrigerating plant
Water-setting in material is affixed to data below freezing, to be monitored according to humidity sensor by wind, determines refrigerating plant, I and of air door
Whether air door II closes.
The purpose that heater is arranged is, according to the sublimation principle in physics, to start heater pair after closing refrigerating plant
Hothouse carries out fast heating, so that solid water contained in material is directly become gaseous moisture discharge without liquid and goes out
It goes.Setting gallery ports are that easily material is put in hothouse, and the gasket of gallery ports edge setting can be notable
Improve its sealing effect.
In the present embodiment, the valve I 19, valve II 22 and valve III 23 are shut-off valve or solenoid valve.Using cut-off
The purpose of valve is during shut-off valve opening and closing that frictional force is small between sealing surface, and relatively durable, Lift is little, and manufacture is held
Easily, easy to maintenance, it can preferably be suitable for high pressure and environment under low pressure.It is that solenoid valve can be more smart using the purpose of solenoid valve
Accurate control hot drying gas being discharged into or being discharged, and improves drying effect.
In the present embodiment, the outer wall in the air duct 21, hothouse 13 and adsorption chamber 16 is both provided with insulating layer.
The purpose that insulating layer is arranged in air duct and dry chamber outer wall is that cold wind utilization ratio is improved when evaporator discharges cold wind,
And raising is to the refrigerating effect of moisture in material;It can preferably keep drying indoor temperature when heating hothouse
Degree.The purpose of absorption chamber outer wall setting insulating layer is the adsorption effect for enhancing the adsorbent in adsorption chamber to vapor.
In the present embodiment, the refrigerating plant includes compression set, condenser 3, throttling set, intercooler 5 and steams
Device 7 is sent out, the compression set in the refrigerating plant includes high-temperature level compressor 1 and the recycling for generating high temperature and high pressure gaseous refrigerant
The low-temperature level compressor 2 of low-temperature low-pressure refrigerant after released cold quantity, is electrically connected between humidity sensor 25 and high-temperature level compressor 1
It connects;The throttling set includes on the secondary road pipeline being set between condenser 3 and intercooler 5 to high-temperature high-pressure refrigerant
The secondary throttle valve 4 for carrying out throttling cooling and freeze to low-temp low-pressure on the pipeline that is set between intercooler 5 and evaporator 7
Agent carries out the primary throttle valve 6 of throttling cooling.
By high temperature and high pressure gaseous refrigerant caused by high-temperature level compressor by condenser, be set on pipeline throttle fill
The effect set and intercooler, evaporator, which are transferred in low-temperature level compressor, completes refrigerant circulation, blows material
Wind freezes.
The purpose that secondary throttle valve is arranged is to carry out throttling cooling to high temperature and high pressure gaseous refrigerant, improve in cooling during rolling
Heat transfer effect in device;The purpose that primary throttle valve is arranged is to carry out throttling drop to the gaseous refrigerant come out from intercooler
Temperature, generated low-temperature low-pressure refrigerant discharges cold wind through evaporator to hothouse after throttling.
In the present embodiment, the evaporator 7 is set in the air duct 21 for transporting cold wind.
Evaporator is set to the purpose in air duct and is that the circulating fan for being set to evaporator side by opening will steam
Low-temperature low-pressure refrigerant in hair device is transported in the form of cold wind in hothouse, and system is blowed to the indoor material of drying
It is cold.
In the present embodiment, the outlet of the high-temperature level compressor 1 is connect with the import of condenser 3, the secondary road system of condenser 3
Cryogen outlet is connect with the secondary road refrigerant inlet of intercooler 5,3 main road refrigerant outlet of condenser and intercooler 5
Main road refrigerant inlet connection, intercooler 5 outlet respectively with the import of high-temperature level compressor 1, the import of evaporator 7
Connection, the outlet of evaporator 7 are connect with the import of low-temperature level compressor 2, outlet and the high-temperature level compressor of low-temperature level compressor 2
1 import connection.
By the connection relation between each component in refrigerating plant, gaseous refrigerant in intercooler with from low-temperature level
The refrigerant that compressor outlet comes out enters the import of high-temperature level compressor together, promotes the cold wind that refrigerating plant generates to object
Material is blowed, and improves the drying effect of material, extends retention cycle and retains original color, smell and taste, saves drying time, drop
Low drying cost.
The purpose that condenser is arranged is to condense the high temperature and high pressure gaseous refrigerant entered in condenser, by it
Become normal temperature high voltage refrigerant.
The purpose that intercooler is arranged is to entering intercooler Nei Fu road refrigerants and main road refrigerant
Contactless heat exchange is carried out, the temperature of main road refrigerant is made to reduce, the degree of supercooling with bigger.
Due to the utility model by refrigerating plant, store material hothouse and vacuum extractor between connection close
System realizes that freeze-drying is adsorbed by drying with normal pressure and is combined possessed refrigeration effect, and operation principle is as follows:
It opens gallery ports 24 material is added in hothouse 13, closes gallery ports 24 and Vacuum door 15, close valve I
19, valve II 22 and valve III 23 open air door 10 and air door 11, start refrigerating plant, 7 released cold quantity of evaporator, and opening is followed
Ring wind turbine 8 is blown into hothouse 13 by circulating fan 8, is passed according to humidity by the cold in evaporator 7 in the form of cold wind
When reaching the solidification point of water rich in ground moisture in material in the hothouse 13 detected by sensor, refrigerating plant and circulated air are closed
Machine 8 simultaneously closes off air door I 10 and air door II 11, and air duct 21 and hothouse 13 are separated, and starts heater 9 at this time, waits for that temperature is fast
After speed rises to the satisfactory numerical value detected by humidity sensor, the ice in material will distil as vapor, this
Shi Kaiqi Vacuum doors 15 open valve I 19 and start water ring vacuum pump 20, adsorption chamber 16 is made to be kept close to the side of valve I 19
Certain negative pressure will be adsorbed by adsorbent, after certain interval of time, very from the vapor in material out in adsorption chamber 16
Buddhism 15 is closed, and simultaneously closes off valve I 19 and water ring vacuum pump 20, opens simultaneously valve II 22 and valve III 23, the dry sky of heat
The hot drying gas body that gas or the dry nitrogen of heat etc. are not reacted with adsorbent or water is entered by valve II 22, is discharged from valve III 23, right
The hot drying gas body contained in adsorbent carries out desorption discharge, and after desorption, valve II 22 and valve III 23 are closed.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, with reference to compared with
The utility model is described in detail in good embodiment, it will be understood by those of ordinary skill in the art that, it can be to this practicality
Novel technical solution is modified or replaced equivalently, without departing from the objective and range of technical solutions of the utility model,
It should all cover in the right of the utility model.
Claims (9)
1. a kind of normal pressure freezes sorption drying device, it is characterised in that:Hothouse including refrigerating plant, for storing material,
Vacuum extractor for being vacuumized to hothouse and the circulated air for cold wind caused by refrigerating plant to be blown into hothouse
Machine, the vacuum extractor include vacuum chamber and are set to the water ring vacuum pump of vacuum chamber side.
2. normal pressure according to claim 1 freezes sorption drying device, it is characterised in that:Suction in the vacuum extractor
Respectively with hot air intake pipeline, heat outlet piping connection, vacuum chamber outlet is connect alcove with Water-ring vacuum pump inlet, described true
Cavity is provided with the Vacuum door for opening or closing chamber close to the side of hothouse, and adsorption chamber is provided in the vacuum chamber.
3. normal pressure according to claim 2 freezes sorption drying device, it is characterised in that:The hothouse both sides are provided with
For carrying out cold wind to be uniformly distributed in dry indoor uniform device I and uniform device II, hothouse both sides inlet, which is provided with, to be beaten
The air door I and air door II of hothouse are closed on or off, and the heater heated to material and detection material are provided in hothouse
The humidity sensor of degree of drying.
4. normal pressure according to claim 3 freezes sorption drying device, it is characterised in that:The vacuum extractor further includes
The valve being set on pipeline, the valve include being set between vacuum chamber and water ring vacuum pump to steam water by applying negative pressure
Gas discharge valve I, be set to hot air intake pipeline for suck hot drying gas body valve II and be set to heat outlet pipeline
Valve III for discharging hot drying gas body.
5. normal pressure according to claim 4 freezes sorption drying device, it is characterised in that:The valve I, valve II and valve
Door III is shut-off valve or solenoid valve.
6. normal pressure according to claim 5 freezes sorption drying device, it is characterised in that:The hothouse and adsorption chamber
Outer wall is both provided with insulating layer.
7. normal pressure according to claim 6 freezes sorption drying device, it is characterised in that:The refrigerating plant includes compression
Device, condenser, throttling set, intercooler and evaporator, the compression set in the refrigerating plant include generating high temperature
The low-temperature level compressor of the high-temperature level compressor and the low-temperature low-pressure refrigerant after recycling released cold quantity of high-pressure gaseous refrigerant is high
It is electrically connected between warm grade compressor and humidity sensor;The throttling set includes being set between condenser and intercooler
Secondary road pipeline on to high-temperature high-pressure refrigerant carry out throttling cooling secondary throttle valve and be set to intercooler and evaporator
Between pipeline on to low-temperature low-pressure refrigerant carry out throttling cooling primary throttle valve.
8. normal pressure according to claim 7 freezes sorption drying device, it is characterised in that:The evaporator, which is set to, to be used for
In the air duct of transporting cold wind.
9. normal pressure according to claim 8 freezes sorption drying device, it is characterised in that:The high-temperature level compressor goes out
Mouth is connect with the import of condenser, and the secondary road refrigerant outlet of condenser and the secondary road refrigerant inlet of intercooler connect,
The main road refrigerant inlet of condenser main road refrigerant outlet and intercooler connects, the outlet of intercooler respectively with height
The import of warm grade compressor, the import connection of evaporator, the outlet of evaporator are connect with the import of low-temperature level compressor, low-temperature level
The outlet of compressor is connect with the import of high-temperature level compressor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820044463.1U CN207975912U (en) | 2018-01-11 | 2018-01-11 | Normal pressure freezes sorption drying device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820044463.1U CN207975912U (en) | 2018-01-11 | 2018-01-11 | Normal pressure freezes sorption drying device |
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Publication Number | Publication Date |
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CN207975912U true CN207975912U (en) | 2018-10-16 |
Family
ID=63769296
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CN201820044463.1U Expired - Fee Related CN207975912U (en) | 2018-01-11 | 2018-01-11 | Normal pressure freezes sorption drying device |
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CN (1) | CN207975912U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110530921A (en) * | 2019-09-09 | 2019-12-03 | 江苏省原子医学研究所 | A kind of judgment method of external hanging type vacuum freeze drying degree |
CN112503863A (en) * | 2020-12-10 | 2021-03-16 | 优澎(嘉兴)新材料科技有限公司 | Normal pressure freeze drying equipment |
RU221779U1 (en) * | 2023-08-21 | 2023-11-22 | Общество с ограниченной ответственностью "ГЛВ" | VACUUM TABLE FOR DRYING FOOD |
-
2018
- 2018-01-11 CN CN201820044463.1U patent/CN207975912U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110530921A (en) * | 2019-09-09 | 2019-12-03 | 江苏省原子医学研究所 | A kind of judgment method of external hanging type vacuum freeze drying degree |
CN110530921B (en) * | 2019-09-09 | 2021-06-18 | 江苏省原子医学研究所 | Method for judging degree of external vacuum freeze drying |
CN112503863A (en) * | 2020-12-10 | 2021-03-16 | 优澎(嘉兴)新材料科技有限公司 | Normal pressure freeze drying equipment |
RU221779U1 (en) * | 2023-08-21 | 2023-11-22 | Общество с ограниченной ответственностью "ГЛВ" | VACUUM TABLE FOR DRYING FOOD |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181016 Termination date: 20200111 |