CN109297224A - A kind of freeze drying plant - Google Patents
A kind of freeze drying plant Download PDFInfo
- Publication number
- CN109297224A CN109297224A CN201811316181.3A CN201811316181A CN109297224A CN 109297224 A CN109297224 A CN 109297224A CN 201811316181 A CN201811316181 A CN 201811316181A CN 109297224 A CN109297224 A CN 109297224A
- Authority
- CN
- China
- Prior art keywords
- ice
- sieve
- production apparatus
- roller
- freezer
- Prior art date
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
- B07B1/24—Revolving drums with fixed or moving interior agitators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C5/00—Working or handling ice
-
- 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
- F26B5/08—Drying solid materials or objects by processes not involving the application of heat by centrifugal treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2600/00—Control issues
- F25C2600/04—Control means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Drying Of Solid Materials (AREA)
- Freezing, Cooling And Drying Of Foods (AREA)
Abstract
A kind of freeze drying plant, including freezer, refrigerating plant, sieve ice production apparatus, control electronic box, the refrigerating plant is equipped with air-cooler, the air-cooler is set to the cool house internal, cooling capacity for generating the refrigerating plant is delivered to the sieve ice production apparatus by cold wind, the refrigerating plant is other than the air-cooler, rest part is set to the freezer periphery, the sieve ice production apparatus is set to the cool house internal, the sieve ice production apparatus is equipped with cylindric roller, the roller is formed by several round tubes are evenly distributed, the gap of the round tube is slightly less than the size of qualified ice cube, the ice cube for not meeting size requirement is set to fall discharge by the gap between the round tube, the control electronic box is set on the outside of the freezer, for realizing the refrigerating plant, sieve the circuit control of ice production apparatus.Present device operational efficiency is high, and failure is few, effectively reduces injury of the process kind of screening to ice cube, and ice cube is dry, uniform in size, surface is not damaged, quality is stable.
Description
Technical field
The present invention relates to refrigerating field more particularly to a kind of freeze drying plants for ice cube screening and drying.
Background technique
The ice cube of ice plant's production is typically provided freeze-drying and screening step after going out ice, to ensure ice cube dry tack free, keeps away
Exempt from trash ice and enters next process.Traditional freeze-drying and screening technique mainly includes the following three types type:
The first is that quick-freezer is delivered by network chain, and primary structure is network chain conveyer belt and air-cooler: ice cube exists
It is conveyed on network chain conveyer belt, air-cooler blowing cold air is freeze-dried；Although this mode can achieve the effect of accelerated freeze-drying
Fruit, but due to the structure type of network chain, it is unfavorable for the removal of trash ice, and trash ice is easy to fall to network chain conveyer belt lower part, trash ice
It is easy to be sticked together with network chain after quick-frozen, causes network chain to be stuck, need to shut down cleaning, inefficient and easy damage
It is bad.
Second of form is vibration screening installation, and primary structure is the vibration screening plant equipped with sieve, and ice cube is conveyed
Onto sieve, using sieve vertical tremor, ice cube jumps, tiny trash ice is smaller than the hole of sieve just on one side on one side to driving front
It is screened, qualified ice cube is then transmitted on conveyer belt；This mode is screened by fast vibration, and sieve is little,
Some trash ice has avoided screen holes, is still transported to next process kind, and due to vibration frequency height, sieve is again
There are sharp edge lattice for crossing net, are easy to cause to damage to ice cube in vibration, reduce the quality of ice cube, while can also generate new
Trash ice.
The third is the roller being made into sieve, and primary structure is the circular drum surrounded with sieve, ice cube conveying
To inside screen roller, screen roller is screened trash ice by rolling ice cube, and this screening mode has the following defects, 1.
The hole of grid is relatively tiny, and part trash ice is easy to be stuck in inside grid, and trash ice be easy to cause sieve to be plugged after quick-frozen,
Cause accelerated freeze-drying and the effect of screening to decline, needs to shut down processing.1. due to the structure type of sieve, there are sharp side,
When rolling, ice cube can be caused to damage, reduce the quality of ice cube.
The mode of above-mentioned three kinds of ice cubes freeze-drying and screening is all screening plant combination accelerated freeze-drying device to ice cube into
Row screening and drying, but different yield needs to design different devices, and adaptability is not strong, while cannot be according to the humidity of ice cube
The adjusting of quick freezing temperature is carried out, power consumption is larger, and there is easy blockings to shut down, be easy to cause new trash ice, ice cube quality not
The problems such as stablizing.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide, a kind of ice cube quality is stable, equipment operation
Freeze drying plant high-efficient, failure is few.
To achieve the above object, the present invention can be achieved by the following technical programs:
A kind of freeze drying plant, including freezer, refrigerating plant, sieve ice production apparatus, control electronic box, the refrigerating plant are equipped with
Air-cooler, the air-cooler are set to the cool house internal, and the cooling capacity for generating the refrigerating plant is delivered to by cold wind
The sieve ice production apparatus, for the refrigerating plant other than the air-cooler, rest part is set to the freezer periphery, the sieve ice
Device is set to the cool house internal, and the sieve ice production apparatus is equipped with cylindric roller, and the roller is uniformly arranged by several round tubes
Column composition, the gap of the round tube are slightly less than the size of qualified ice cube, and the ice cube for not meeting size requirement is made to pass through the round tube
Between gap fall discharge, the control electronic box is set on the outside of the freezer, for realizing the refrigerating plant, sieve ice production apparatus
Circuit control.
Further, the freeze drying plant is additionally provided with humidity induction device, and the humidity induction device is set to freezer
Inside, and connecting with the control electronic box judges the humidity of ice cube for incuding the humidity in the freezer, and by humidity number
According to the control electronic box is sent to, the control electronic box feeds back adjustment storehouse temperature in real time according to humidity data, to make ice cube
Humidity meets production requirement, while reaching energy-saving effect.
Further, the drum inside is equipped with several helical blades, described for pushing ahead the ice cube in roller
When roller rotates, ice cube is driven by the roller overturn on one side, is pushed ahead on one side by helical blade drive.
Further, the roller is assembled by several single-unit rollers, and single-unit roller both ends are two annulus
The round tube fixed plate of shape is welded with several evenly distributed stainless pipes between two round tube fixed plates；The list
Section drums inside is welded with the helical blade；Several described single-unit rollers form a long rollers, in the long roller
Several helical blades are continuously arranged, and form continuous helical form.
Further, the roller is driven by decelerating motor, and the decelerating motor has speed-regulating function, by using described
The speed-regulating function of decelerating motor adjusts the revolving speed of the roller, to meet the use demand of different output.
Further, the freezer is equipped with ice cube import, ice outlet, cold-storage door, the ice cube import, ice outlet point
Not She Yu it is described sieve ice production apparatus inlet side and outlet side, ice cube enters from the ice cube import, defeated by import conveying device
It send to the import of the sieve ice production apparatus, after the freeze-drying and screening of the sieve ice production apparatus, satisfactory ice cube is from institute
The outlet output for stating sieve ice production apparatus, is exported from the ice outlet to subsequent processing, the cold-storage door by outlet delivery device
It is mainly used for facilitating the maintenance of operator and observation.
Further, it is equipped with trash ice collection device on the downside of the sieve ice production apparatus, for collecting by between the round tube
The trash ice that gap is fallen.
Further, the freezer is additionally provided with trash ice conveying outlet, and trash ice conveying outlet passes through trash ice conveying device
It being connect with the trash ice collection device, the trash ice for collecting the trash ice collection device is delivered to outside the freezer, with
Convenient for trash ice is used for other purposes.
The beneficial effects of the present invention are: the present invention has, equipment operating efficiency is high, failure is few, energy saving, the scope of application
Wide advantage can effectively reduce injury of the process kind of screening to ice cube, and the ice cube quality of production is high, ice cube is dry, size
Uniformly, surface is not damaged, quality is stable.It is specific as follows:
1, by sieving the improvement of ice structure, guarantee the quality of ice cube, make that ice cube is dry, uniform in size, surface is not damaged, and
Equipment operating efficiency is high, and failure is few, can effectively reduce injury of the process kind of screening to ice cube；
2, it is equipped with humidity induction device in freezer, by humidity in induction library, judges the humidity of ice cube, comes warm in regulation warehouse
Degree, to reach energy-efficient effect；
3, revolving speed can be adjusted according to the yield of different ice machines by setting, adapts to different ice machine yield；
4, it is equipped with trash ice collection device on the downside of screening plant, trash ice, which is collected, to be transported to outside and be used in other needs
The place of cooling is conducive to the utilization rate for improving ice cube, improves the income of user.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the embodiment of the present invention；
Fig. 2 is the overlooking structure diagram of the embodiment of the present invention；
Fig. 3 is the schematic view of the front view of sieve ice production apparatus of the embodiment of the present invention；
Fig. 4 is the cross section structure schematic diagram of roller of the embodiment of the present invention；
Fig. 5 is the schematic diagram of the section structure of A-A in Fig. 4.
In figure: 1, freezer；2, refrigerating plant；3, air-cooler；4, ice production apparatus is sieved；5, trash ice collection device；6, humidity inductive
Device；7, electronic box is controlled；8, ice cube import；9, ice outlet；10, trash ice conveying outlet；11, cold-storage door；12, decelerating motor；
13, bracket；14, roller；15, main shaft；16, go out ice funnel；17, helical blade；18, round tube；19, round tube fixed plate；20, ice
Block；21, trash ice.
Specific embodiment
In order to which the objects, technical solutions and advantages of the invention patent are more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the invention patent.It should be appreciated that specific embodiment described herein is only used to explain
The invention patent is not intended to limit the present invention patent.
Embodiment:
Such as Fig. 1, as shown in Fig. 2, a kind of freeze drying plant, including freezer 1, refrigerating plant 2, sieve ice production apparatus 4, trash ice are received
Acquisition means 5, control electronic box 7, the refrigerating plant 2 are equipped with air-cooler 3, and the air-cooler 3 is set to inside the freezer 1, is set to
The side of the sieve ice production apparatus 4, the cooling capacity for generating the refrigerating plant 2 are delivered to the sieve ice production apparatus 4 by cold wind,
For the refrigerating plant 2 other than the air-cooler 3, rest part is set to 1 periphery of freezer；The sieve ice production apparatus 4 is set to
Inside the freezer 1, the sieve ice production apparatus 4 is equipped with cylindric roller 14, and the roller 14 is uniformly arranged by several round tubes 18
Column composition, the gap of the round tube 18 are slightly less than the size of qualified ice cube 20, and the ice cube 20 for not meeting size requirement is made to pass through institute
It states the gap between round tube 18 and falls discharge；The trash ice collection device 5 is set to inside the freezer 1, and is set to the sieve ice
4 downside of device, for collecting the trash ice 21 fallen by the gap between the round tube 18；The control electronic box 7 is set to described
1 outside of freezer, for realizing the circuit control of the refrigerating plant 2, sieve ice production apparatus 4, trash ice collection device 5.
Specifically, freeze drying plant described in the present embodiment is additionally provided with humidity induction device 6, the humidity induction device
6 are set to inside freezer 1, and connect with the control electronic box 7, for incuding the humidity in the freezer 1, judge the wet of ice cube 20
Degree, and humidity data is sent to the control electronic box 7, the control electronic box 7 is fed back in adjustment library in real time according to humidity data
Temperature so that the humidity of ice cube 20 be made to meet production requirement, and reaches energy-saving effect.Specifically, when water content increases,
Cooling capacity required for ice cube 20 cools down increases, and the library temperature needs of freezer 1 are turned down, and increases heat transfer temperature difference, to improve the cold of transmitting
Amount accelerates the moisture content on 20 surface of ice cube to cool down and freezes, and when 20 water content of ice cube is reduced, ice cube 20 is cold required for cooling down
Amount is reduced, and library temperature can be increased accordingly, reduces heat transfer temperature difference, so that cooling capacity required for adapting to, passes through the sense of 1 humidity of freezer
It answers, regulation warehouse temperature, to reach energy-efficient purpose.
Specifically, freezer 1 described in the present embodiment is equipped with ice cube import 8, ice outlet 9, trash ice conveying outlet 10, freezer
Door 11, the ice cube import 8, ice outlet 9 are respectively arranged on the inlet side and outlet side of the sieve ice production apparatus 4, and ice cube 20 is from institute
The entrance of ice cube import 8 is stated, the import of the sieve ice production apparatus 4 is delivered to by import conveying device, by the sieve ice production apparatus 4
Freeze-drying and screening after, satisfactory ice cube 20 from it is described sieve ice production apparatus 4 outlet export, by outlet delivery device from
The ice outlet 9 is exported to subsequent processing；It is collected by trash ice conveying device and the trash ice trash ice conveying outlet 10
Device 5 connects, and the trash ice 21 for collecting the trash ice collection device 5 is delivered to outside the freezer 1, in order to by trash ice
21 are used for other purposes；The cold-storage door 11 is mainly used for facilitating the maintenance of operator and observation.Specifically, the import is defeated
Sending device, outlet delivery device, trash ice conveying device is conveyer belt conveying device.
Specifically, as shown in figure 3, figure 4 and figure 5, roller 14 described in the present embodiment by several single-unit rollers 14 assemble and
At 14 both ends of single-unit roller are two circular round tube fixed plates 19, are welded between two round tube fixed plates 19
There are several evenly distributed stainless pipes 18；14 interior welds of single-unit roller have several helical blades 17, and being used for will
Ice cube 20 in roller 14 is pushed ahead；Several described single-unit rollers 14 form one long rollers 14, in the long roller 14
The continuously setting of several helical blades 17, form continuous helical form.When the roller 14 rotates, 20 one side of ice cube is by institute
It states roller 14 and drives overturning, pushed ahead on one side by the helical blade 17 drive, trash ice 21 and the ice for not meeting size requirements
Block 20 will fall to the trash ice collection device 5 by the gap between stainless pipe 18, and satisfactory ice cube 20
Then be transported to the ice outlet 9 always, at the same the moisture content on 20 surface of ice cube some can also be got rid of, along with described
The cold wind that air-cooler 3 provides can cool down to ice cube 20, so that the water on 20 surface of ice cube be made to cool down rapidly icing, reach drying
Purpose.
Specifically, as shown in figure 3, sieve ice production apparatus 4 described in the present embodiment is additionally provided with decelerating motor 12, the roller 14 by
The decelerating motor 12 drives, and the decelerating motor 12 has speed-regulating function, by using the speed regulation function of the decelerating motor 12
Can, the revolving speed of the roller 14 is adjusted, to meet the use demand of different output.Freeze drying plant can also be according to previous
The different output of ice machine in process, inputs corresponding yield, then according to the revolving speed of the gas product flow readjustment roller 14 of ice machine, with
Just meet the requirement of yield, simultaneously because revolving speed changes, the conveying speed of roller 14 changes, the roller 14 of equal length, ice cube
20 in freezer 1 residence time also can reduce or lengthen, so library temperature is also required to correspondingly be adjusted, to adapt to yield change
Refrigerating capacity required for changing.
Embodiment described above and other legends only express one embodiment of the present invention, only indicate that without
It is the limitation present invention.For those of ordinary skill in the art, without departing from the inventive concept of the premise, it can also do
Several modifications and improvements out.Therefore, protection scope of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of freeze drying plant, it is characterised in that: including freezer, refrigerating plant, sieve ice production apparatus, control electronic box, the system
Device for cooling is equipped with air-cooler, and the air-cooler is set to the cool house internal, and the cooling capacity for generating the refrigerating plant passes through
Cold wind is delivered to the sieve ice production apparatus, and other than the air-cooler, rest part is set to outside the freezer refrigerating plant
It encloses, the sieve ice production apparatus is set to the cool house internal, and the sieve ice production apparatus is equipped with cylindric roller, and the roller is by several
The evenly distributed composition of round tube, the gap of the round tube are slightly less than the size of qualified ice cube, keep the ice cube for not meeting size requirement logical
The gap crossed between the round tube falls discharge, and the control electronic box is set on the outside of the freezer, for realizing refrigeration dress
Set, sieve the circuit control of ice production apparatus.
2. a kind of freeze drying plant according to claim 1, which is characterized in that it is additionally provided with humidity induction device, it is described
Humidity induction device is set to cool house internal, and connect with the control electronic box, for incuding the humidity in the freezer, judges ice
The humidity of block, and humidity data is sent to the control electronic box, the control electronic box feeds back adjustment in real time according to humidity data
Storehouse temperature so that ice cube humidity be made to meet production requirement, while reaching energy-saving effect.
3. a kind of freeze drying plant according to claim 1, which is characterized in that the drum inside is equipped with several spirals
Blade, for pushing ahead the ice cube in roller.
4. a kind of freeze drying plant according to claim 3, which is characterized in that the roller is by several single-unit rollers
Assemble, single-unit roller both ends are two circular round tube fixed plates, are welded between two round tube fixed plates
There are several evenly distributed stainless pipes；The single-unit drums inside is welded with the helical blade；Several described lists
It saves roller and forms a long roller, several helical blades in the long roller are continuously arranged, and form continuous helical form.
5. a kind of freeze drying plant according to claim 1, which is characterized in that the roller is driven by decelerating motor,
There is the decelerating motor speed-regulating function to adjust the revolving speed of the roller by using the speed-regulating function of the decelerating motor, with
Just meet the use demand of different output.
6. a kind of freeze drying plant according to claim 1, which is characterized in that the freezer is equipped with ice cube import, ice
Block outlet, cold-storage door, the ice cube import, ice outlet are respectively arranged on the inlet side and outlet side of the sieve ice production apparatus, ice cube
Enter from the ice cube import, the import of the sieve ice production apparatus is delivered to by import conveying device, by the sieve ice production apparatus
Freeze-drying and screening after, satisfactory ice cube from it is described sieve ice production apparatus outlet export, by outlet delivery device from
The ice outlet is exported to subsequent processing, and the cold-storage door is mainly used for facilitating the maintenance of operator and observation.
7. a kind of freeze drying plant according to claim 1, which is characterized in that be equipped with trash ice on the downside of the sieve ice production apparatus
Collection device, for collecting the trash ice fallen by the gap between the round tube.
8. a kind of freeze drying plant according to claim 7, which is characterized in that the freezer is additionally provided with trash ice and transfers out
Mouthful, trash ice conveying outlet is connect by trash ice conveying device with the trash ice collection device, for collecting the trash ice
The trash ice that device is collected is delivered to outside the freezer, in order to which trash ice is used for other purposes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316181.3A CN109297224A (en) | 2018-11-07 | 2018-11-07 | A kind of freeze drying plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811316181.3A CN109297224A (en) | 2018-11-07 | 2018-11-07 | A kind of freeze drying plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109297224A true CN109297224A (en) | 2019-02-01 |
Family
ID=65145875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811316181.3A Withdrawn CN109297224A (en) | 2018-11-07 | 2018-11-07 | A kind of freeze drying plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109297224A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427780A (en) * | 2021-12-30 | 2022-05-03 | 上海弘崴环保科技有限公司 | Continuous roller rapid freeze dryer and process for freeze-drying food |
-
2018
- 2018-11-07 CN CN201811316181.3A patent/CN109297224A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427780A (en) * | 2021-12-30 | 2022-05-03 | 上海弘崴环保科技有限公司 | Continuous roller rapid freeze dryer and process for freeze-drying food |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190201 |
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| WW01 | Invention patent application withdrawn after publication |