CN103884155B - The spouted drying equipment of Multicarity continuous microwave vacuum - Google Patents
The spouted drying equipment of Multicarity continuous microwave vacuum Download PDFInfo
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- CN103884155B CN103884155B CN201410129530.6A CN201410129530A CN103884155B CN 103884155 B CN103884155 B CN 103884155B CN 201410129530 A CN201410129530 A CN 201410129530A CN 103884155 B CN103884155 B CN 103884155B
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Abstract
A kind of convenience, efficient, energy-conservation and the spouted drying equipment of Multicarity continuous microwave vacuum significantly improving dry products quality can be widely used in the fields such as food, chemical industry, medicine, environmental protection.This drying equipment mainly comprises master shunter (1a), thus bypasses device (1b), microwave generator (3), control pressurer system, charging aperture (11), discharging opening (12), isocon (13) and multiple drying chamber (2), multiple vacuum drying pipe (10) is comprised in drying chamber (2), described control pressurer system comprises valve (4), distribution box (5), pressure sensor (6), deduster (7), cold-trap (8), vavuum pump (9).Adopt multi cavity design, in uniform pressure fluctuation range, spouted wind speed is adjustable, and can simultaneously dry different material, continuous convenience, output is large, and compared with other drying modes, the heat time is shorter, rate of drying improves, and material is heated more even, and product quality improves.
Description
Technical field
The present invention relates to the dry materials of food, chemical industry, medicine and other fields, be specifically related to one under vacuum conditions, the spouted drying equipment of the Multicarity utilizing microwave continuous to heat.
Background technology
In recent years, there is due to vacuum microwave drying technology the advantages such as drying efficiency is high, heat utilization efficiency is high, superior product quality, obtain increasing investigation and application in food, chemical industry, medicine and other fields.Microwave heating system and vacuum system are organically combined, such that firing rate is fast, dry or concentration time is short, baking temperature is low, be specially adapted to the material that thermal sensitivity, oxidizable, sugary part are high, as various food, medicine, chemical products etc.But existing vacuum microwave drying device also exists that production process is discontinuous, output is few, inconvenient, can not the shortcoming such as dry different material simultaneously.
Nanjing Chang Xin drying equipment Co., Ltd discloses a kind of micro-wave vacuum equipment (publication number: CN202274720U), and its structure comprises casing, heating in vacuum chamber and is arranged on microwave power supply system, microwave energy-feeding system, vacuum system and the control system in casing.This equipment comprises multiple microwave generator, be symmetricly set on the top in heating in vacuum chamber and the outer fix at four diagonal angles, and be connected with cooling blower, power supply box is connected with exhaust fan, roof box is provided with Non-contact Infrared Temperature Measurement probe, temperature during detectable heating material.Heating in vacuum cavity wall is provided with the airtight flange presented mouth with the microwave of microwave generator and be connected, and heating in vacuum is provided with pump mouth bottom chamber, and vacuum system comprises the bleeding point and gas vent that are arranged on heating chamber side, for regulating the vacuum in heating in vacuum chamber.This equipment exist as discontinuous in charging, can not simultaneously dry different material, time-consuming longer, the shortcoming such as wind speed is non-adjustable.
The Cui Zhengwei of Southern Yangtze University discloses a kind of micro-wave vacuum equipment (publication number: CN101082464A).This invention relates to the drying and dehydrating device of a kind of microwave and vacuum system integration, comprise a hothouse for the air-tight state of placing materials, the wall body of hothouse is provided with the switching door body being convenient to pick and place material, the wall body of switching door body and hothouse is for being tightly connected, the wall body of hothouse is provided with microwave generating apparatus, the microwave that microwave generating apparatus produces can carry out heating using microwave through the wall body of hothouse to the material in hothouse, be provided with at the wall body of hothouse the vacuum adapter stretched in hothouse, vacuum adapter is connected with vacuum extractor.The wall body of two relative hothouses has a pair mirror device, on switching door body, turns on electric light for one, dry indoor conditions can be monitored.Mirror device is provided with micro-wave screening wire netting.Below hothouse, arrange drive motors, the turning cylinder of this drive motors stretches in hothouse, and is provided with the rotating disk for placing materials on the top of turning cylinder, is provided with outside framework oil seal device in the joint portion of turning cylinder and hothouse.Roller is provided with between the bottom surface and the bottom surface of hothouse of rotating disk.Microwave generating apparatus comprises the polypropylene board be arranged on the wall body of hothouse, waveguide and magnetron thereof.The one end stretched in hothouse at vacuum adapter is provided with vacuum-breaking valve, and the vacuum adapter be positioned at outside hothouse is provided with vacuum line valve.The shortcoming of this device is: output is few, production efficiency is low, can not continuous operation and can not simultaneously dry different material etc.
Summary of the invention
The object of the present invention is to provide a kind of Multicarity spray-moving type drying equipment utilizing microwave continuous to heat under vacuum conditions, have spouted wind speed adjustable, can simultaneously dry different material, continuously convenient, the feature such as output is large, compared with other drying modes, the heat time is shorter, rate of drying improves, material is heated more evenly, product quality improves.
For achieving the above object, technical scheme of the present invention is as follows:
The spouted drying equipment of a kind of Multicarity continuous microwave vacuum, described equipment comprises: master shunter 1a, thus bypasses device 1b, microwave generator 3, control pressurer system, charging aperture 11, discharging opening 12, isocon 13 and multiple drying chamber 2, multiple vacuum drying pipe 10 is comprised in drying chamber 2, described control pressurer system comprises valve 4, distribution box 5, pressure sensor 6, deduster 7, cold-trap 8, vavuum pump 9, wherein:
The upper and lower of each drying chamber 2 all arranges thus bypasses device 1b, and each thus bypasses device 1b is formed respectively by many isocons 13 and drying chamber 2 and is flexible coupling, and extends the multiple vacuum drying pipes 10 being connected to drying chamber 2 inside;
Multiple drying chamber 2 is connected into respectively between middle upper and lower two master shunter 1a, master shunter 1a and thus bypasses device 1b by upper and lower two thus bypasses device 1b and is provided with valve 4;
Be provided with charging aperture 11 between the isocon 13 on top and vacuum drying pipe 10, between the isocon 13 of bottom and vacuum drying pipe 10, be provided with discharging opening 12;
The master shunter 1a of bottom is provided with air inlet, and the master shunter 1a on top is provided with gas outlet;
Distribution box 5 is electrically connected with microwave generator 3, valve 4, pressure sensor 6, cold-trap 8, vavuum pump 9 respectively.
Each drying chamber 2 arranged outside microwave generator 3, the waveguide that the microwave of microwave generator 3 is equipped with by himself imports drying chamber 2.
Microwave device for preventing leakage is had in the air inlet that the master shunter 1a of bottom is provided with, gas outlet Bonding pressure sensor 6, deduster 7, cold-trap 8 and the vavuum pump 9 successively that the master shunter 1a on top is provided with, vacuum pump outlet place has water seal arrangement to prevent microwave leakage, wherein, gas outlet is consistent with the switch of vavuum pump 9; The switch of the corresponding valve 4 of the PLC procedure auto-control air inlet in distribution box 5, to regulate the pressure of drying chamber 2 inside.
Control pressurer system sets maximum pressure and minimum pressure fluctuation range by distribution box 5, thus the switch of valve 4 corresponding to the air inlet of master shunter 1a is automatically controlled by distribution box 5, when the pressure in drying chamber 2 is less than setting minimum pressure, the valve 4 that air inlet is corresponding is opened, and blows material suspended in drying chamber 2; When the pressure in drying chamber 2 is greater than setting maximum pressure, the valve 4 that air inlet is corresponding is closed.
Charging aperture 11, connected mode between discharging opening 12 and isocon 13 are clamp connection, vacuum drying pipe 10 and between charging aperture 11 and discharging opening 12 with Flange joint, charging aperture 11, between discharging opening 12 and isocon 13, screen pack is housed.
At the same pressure, automatically set by the PLC program in distribution box 5 or manually set the number controlling the opening and closing of the valve 4 of drying chamber 2 correspondence and the start and stop of microwave generator 3.
Automatically set by the PLC program in distribution box 5 or manually set, the start and stop of each drying chamber of rotation switch 2 each self-corresponding valve 4 opening and closing and microwave generator 3.
The start and stop of each drying chamber 2 each self-corresponding valve 4 opening and closing and microwave generator 3 are controlled by distribution box 5.
Beneficial effect of the present invention is:
1. facilitate continuously: be provided with multiple airtight vacuum drying chamber, can continuous feed, and charging and discharging open height low (being respectively 1.6 meters and 1.0 meters), charging discharging is convenient, meets base of principle of human engineering.
2. homogeneous heating: the spouted vacuum drying method of microwave is changed by periodic vacuum pressure, drive material particles periodically spouted, thus improve the uniformity of dry materials, avoid cause because local temperature is too high when product maintains static burn phenomenon, thus improve the quality of dry rear product, also correspondingly improve rate of drying simultaneously, and reduce available energy dissipation.
3. efficient energy-saving: microwave heating system and pumped vacuum systems organically combine, gets rid of the moisture of dry materials evaporation in time, reduces the saturated vapor pressure in vacuum drying chamber, improve mass transfer power; Spouted air-flow improves convection transfer rate, drastically increases heat and mass efficiency, thus improves the utilization rate of the energy.
4. output is many: owing to adopting multi cavity design, feeding quantity can be several times of single cavity, and laser heating simultaneously can be adopted dry, and output increases, thus more saves time.
5. under uniform pressure, adjustable wind speed, be convenient to the optimization of dried material quality etc.: regulate air-flow velocity by closing different vacuum cavity, compared with single cavity heating means, the drying of different densities and different size material can be adapted to more neatly, effectively prevent that the excessive not easily spouted or material of material is too small excessively spouts to the phenomenons such as vacuum tube top, make material evenly spouted in microwave field, thus more evenly utilize microwave energy, substantially increase drying efficiency and product quality.
6. can simultaneously dry different material: each cavity can add different dried material, carries out heat drying simultaneously.This equipment has multiple vacuum drying pipe, can load dry multiple different material simultaneously, can carry out research or the production of the spouted drying effect of microwave vacuum of various materials simultaneously, facilitate the accurate control of same process, improve utilization rate of equipment and installations.
Accompanying drawing explanation
Fig. 1 is the structural representation (only signal comprises the situation of two drying chambers 2, according to actual needs, can connect multiple cavity) of the spouted drying equipment of Multicarity continuous microwave vacuum of the present invention.
Fig. 2 is the top view (only signal comprises the situation of four drying chambers 2, according to actual needs, can connect multiple cavity) of the spouted drying equipment of Multicarity continuous microwave vacuum of the present invention.
Reference numeral
1a master shunter 1b thus bypasses device
2 drying chamber 3 microwave generators
4 valve 5 distribution boxs
6 pressure sensor 7 dedusters
8 cold-trap 9 vavuum pumps
10 vacuum drying pipe 11 charging apertures
12 discharging opening 13 isocons
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, the spouted drying equipment of Multicarity continuous microwave vacuum of the present invention, comprises master shunter 1a, thus bypasses device 1b, microwave generator 3, control pressurer system, charging aperture 11, discharging opening 12, isocon 13, and multiple drying chamber 2, multiple vacuum drying pipe 10 is comprised in drying chamber 2, wherein, control pressurer system comprises valve 4, distribution box 5, pressure sensor 6, deduster 7, cold-trap 8, vavuum pump 9.
Distribution box 5 is electrically connected with microwave generator 3, valve 4, pressure sensor 6, cold-trap 8, vavuum pump 9 respectively.
The upper and lower of each drying chamber 2 all arranges thus bypasses device 1b, and each thus bypasses device 1b is formed respectively by many isocons 13 and drying chamber 2 and is flexible coupling, and extends the multiple vacuum drying pipes 10 being connected to drying chamber 2 inside; Multiple drying chamber 2 is connected into middle upper and lower two master shunter 1a respectively by upper and lower two thus bypasses device 1b, valve 4 is provided with between master shunter 1a and thus bypasses device 1b, control the opening and closing of respective valves 4 by distribution box 5 and the start and stop of microwave generator 3 carry out independent control to each drying chamber 2, realize the object of dry different material simultaneously; At the same pressure, automatically set by the PLC program in distribution box 5 or manually set the number controlling the opening and closing of the valve 4 of drying chamber 2 correspondence and the start and stop of microwave generator 3, the adjustment of spouted wind speed can be realized.Charging aperture 11 is provided with between the isocon 13 on top and vacuum drying pipe 10, discharging opening 12 is provided with between the isocon 13 of bottom and vacuum drying pipe 10, wherein, charging aperture 11, connected mode between discharging opening 12 and isocon 13 are clamp connection, vacuum drying pipe 10 and use Flange joint between charging aperture 11 and discharging opening 12.Charging aperture 11, between discharging opening 12 and isocon 13, screen pack is housed, the material that enters top isocon 13 because of spouted can be shielded or prevent from work, falling into the material in bottom isocon 13.
Each drying chamber 2 arranged outside microwave generator 3, the waveguide that the microwave of microwave generator 3 is equipped with by himself imports drying chamber 2.
Automatically set by the PLC program in distribution box 5 or manually set, each drying chamber of rotation switch 2 each self-corresponding valve 4 opening and closing and microwave generator 3 start and stop, thus realizing the continuous microwave drying of integral device.
The master shunter 1a of bottom is provided with air inlet, has microwave device for preventing leakage in air inlet; The master shunter 1a on top is provided with gas outlet, and gas outlet is Bonding pressure sensor 6, deduster 7, cold-trap 8 and vavuum pump 9 successively, and the exit of vavuum pump 9 is provided with water seal arrangement and prevents microwave leakage, wherein, gas outlet is consistent with the switch of vavuum pump 9, and namely vavuum pump 9 is opened, and gas outlet is opened; Vavuum pump 9 cuts out, then gas outlet is closed naturally.The switch of the corresponding valve 4 of the PLC procedure auto-control air inlet in distribution box 5, to regulate the pressure of drying chamber 2 inside.Pressure sensor 6 is for pressure measuring and regulating; Deduster 7, for removing impurity, ensures equipment normal operation; The object of cold-trap 8 cools, hot-air in order to avoid cavitation occurs vavuum pump 9.
Control pressurer system sets maximum pressure in drying chamber 2 and minimum pressure fluctuation range by distribution box 5, thus automatically controls the switch of valve 4 corresponding to master shunter 1a air inlet by distribution box 5.When the pressure in drying chamber 2 is less than setting minimum pressure, the valve 4 that air inlet is corresponding is opened, and blows material suspended in the vacuum drying pipe 10 of drying chamber 2, thus achieves the spouted function of material, accelerates rate of drying, homogeneous heating, efficient energy-saving; When the pressure in drying chamber 2 is greater than setting maximum pressure, the valve 4 that air inlet is corresponding is closed.
The concrete operation step of the spouted drying equipment of Multicarity continuous microwave vacuum of the present invention is as follows:
A) by the pressure bound of distribution box 5 setting pressure control system, the corresponding different dry power of each drying chamber 2 and drying time, and PLC drying program (comprise the valve 4 and microwave generator 3 that whether simultaneously start multiple drying chamber 2 or only start the corresponding valve 4 of single drying chamber 2 and microwave generator 3); By the control panel pushbutton enable pressure sensor 6 of distribution box 5, cold-trap 8, vavuum pump 9.
B) open the charging aperture 11 of the vacuum drying pipe 10 needing charging, after charging, close charging aperture 11; Started the microwave generator 3 of the drying chamber 2 residing for this vacuum drying pipe 10 by distribution box 5, now open the upper lower valve 4 of drying chamber 2, by upper lower shunt tube 13, this drying chamber 2 is communicated with control pressurer system, enters dry materials process simultaneously.Control pressurer system controls the opening and closing of valve 4 corresponding to air inlet automatically by distribution box 5 according to the pressure bound of setting, when the pressure in drying chamber 2 is less than setting minimum pressure, the valve 4 that air inlet is corresponding is opened; When the pressure in drying chamber 2 is greater than setting maximum pressure, the valve 4 that air inlet is corresponding is closed, thus reaches the object controlling to enter drying tube 2 air-flow.
C) when reaching setting value drying time, manually or automatically close the microwave generator 3 of this drying chamber 2 correspondence and the upper lower valve 4 of this drying chamber 2 correspondence by distribution box 5 control system.
D) open the discharging opening 12 of vacuum drying pipe 10 correspondence of having closed microwave and upper lower valve 4, dryed product is automatic discharging from vacuum drying pipe 10 under gravity; After discharging, close discharging opening 12.
E) if desired carry out moving material drying, then repeat step b-d.If dry materials work is complete, then can cut off all power supplys, shutdown system.
Embodiment 1
The adjustment of the spouted wind speed of present device is achieved in the following ways: in dry run, if only open the valve 4 of 1 drying chamber 2 correspondence, then spouted wind speed is full blast speed; If open the valve 4 of 2 drying chamber 2 correspondences, then in each drying chamber 2, wind speed is 1/2 of full blast speed; By that analogy.Control the number of the unlatching of the valve 4 of drying chamber 2 correspondence, the adjustment of spouted wind speed can be realized.In theory, the number of drying chamber 2 can be infinitely individual, can according to the number of actual requirement determination drying chamber 2.
Embodiment 2
In dry run, when a drying chamber 2 is carrying out drying, can open other any one drying chambers 2 and carry out reinforced and discharging, drying chamber 2 order is reinforced discharging successively, can realize the continuous drying operation of integral device.
Claims (8)
1. the spouted drying equipment of Multicarity continuous microwave vacuum, is characterized in that:
Described equipment comprises: master shunter (1a), thus bypasses device (1b), microwave generator (3), control pressurer system, charging aperture (11), discharging opening (12), isocon (13) and multiple drying chamber (2), multiple vacuum drying pipe (10) is comprised in drying chamber (2), described control pressurer system comprises valve (4), distribution box (5), pressure sensor (6), deduster (7), cold-trap (8), vavuum pump (9), wherein:
The upper and lower of each drying chamber (2) all arranges thus bypasses device (1b), each thus bypasses device (1b) is formed respectively by many isocons (13) and drying chamber (2) and is flexible coupling, and extends the multiple vacuum drying pipes (10) being connected to drying chamber (2) inside;
Multiple drying chamber (2) is connected into middle upper and lower two master shunters (1a) respectively by upper and lower two thus bypasses devices (1b), is provided with valve (4) between master shunter (1a) and thus bypasses device (1b);
Be provided with charging aperture (11) between the isocon (13) on top and vacuum drying pipe (10), between the isocon (13) of bottom and vacuum drying pipe (10), be provided with discharging opening (12);
The master shunter (1a) of bottom is provided with air inlet, the master shunter (1a) on top is provided with gas outlet, gas outlet Bonding pressure sensor (6), deduster (7), cold-trap (8) and the vavuum pump (9) successively that the master shunter (1a) on top is provided with;
Distribution box (5) is electrically connected with microwave generator (3), valve (4), pressure sensor (6), cold-trap (8), vavuum pump (9) respectively.
2. the spouted drying equipment of Multicarity continuous microwave vacuum according to claim 1, is characterized in that:
Each drying chamber (2) arranged outside microwave generator (3), the waveguide that the microwave of microwave generator (3) is equipped with by himself imports drying chamber (2).
3. the spouted drying equipment of Multicarity continuous microwave vacuum according to claim 1, is characterized in that:
Have microwave device for preventing leakage in the air inlet that the master shunter (1a) of bottom is provided with, vavuum pump (9) exit has water seal arrangement to prevent microwave leakage, and wherein, gas outlet is consistent with the switch of vavuum pump (9); The switch of the corresponding valve (4) of the PLC procedure auto-control air inlet in distribution box (5), so that the pressure regulating drying chamber (2) inner.
4. the spouted drying equipment of Multicarity continuous microwave vacuum according to claim 1 or 3, is characterized in that:
Control pressurer system is by distribution box (5) setting maximum pressure and minimum pressure fluctuation range, thus the switch of valve (4) corresponding to the air inlet of master shunter (1a) is automatically controlled by distribution box (5), when the pressure in drying chamber (2) is less than setting minimum pressure, the valve (4) that air inlet is corresponding is opened, and blows material suspended in drying chamber (2); When the pressure in drying chamber (2) is greater than setting maximum pressure, the valve (4) that air inlet is corresponding is closed.
5. the spouted drying equipment of Multicarity continuous microwave vacuum according to claim 1, is characterized in that:
Charging aperture (11), connected mode between discharging opening (12) and isocon (13) are clamp connection, vacuum drying pipe (10) and between charging aperture (11) and discharging opening (12) with Flange joint, charging aperture (11), between discharging opening (12) and isocon (13), screen pack is housed.
6. the spouted drying equipment of Multicarity continuous microwave vacuum according to claim 1, is characterized in that:
At the same pressure, automatically set by the PLC program in distribution box (5) or manually set the number controlling the opening and closing of valve (4) corresponding to drying chamber (2) and the start and stop of microwave generator (3).
7. the spouted drying equipment of Multicarity continuous microwave vacuum according to claim 1, is characterized in that:
Automatically set by the PLC program in distribution box (5) or manually set, the start and stop of each self-corresponding valve (4) opening and closing of each drying chamber of rotation switch (2) and microwave generator (3).
8. the spouted drying equipment of Multicarity continuous microwave vacuum according to claim 1, is characterized in that:
The start and stop of each self-corresponding valve (4) opening and closing of each drying chamber (2) and microwave generator (3) are controlled by distribution box (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410129530.6A CN103884155B (en) | 2014-04-02 | 2014-04-02 | The spouted drying equipment of Multicarity continuous microwave vacuum |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410129530.6A CN103884155B (en) | 2014-04-02 | 2014-04-02 | The spouted drying equipment of Multicarity continuous microwave vacuum |
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| CN103884155B true CN103884155B (en) | 2016-02-10 |
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| CN105597638B (en) * | 2016-03-09 | 2017-10-31 | 中国工程物理研究院激光聚变研究中心 | A kind of microballoon drying device |
| CN108007093B (en) * | 2017-12-06 | 2024-01-05 | 重庆翼耀科技咨询有限公司 | Zanthoxylum bungeanum curing barn convenient for receiving materials |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202274720U (en) * | 2011-09-30 | 2012-06-13 | 南京长鑫干燥设备有限公司 | Microwave vacuum drying equipment |
| CN102987524A (en) * | 2012-12-06 | 2013-03-27 | 江南大学 | Pulse spouted microwave freeze-drying device for granular conditioning food and homogenization efficient processing method |
| CN103238887A (en) * | 2013-05-21 | 2013-08-14 | 广东嘉豪食品股份有限公司 | Method for making instant chicken sauce slices through microwave spouted freeze-drying |
| CN103453743A (en) * | 2012-05-29 | 2013-12-18 | 党庆风 | Efficient energy-saving vacuum microwave continuous drying device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2746477T3 (en) * | 2007-10-15 | 2020-03-06 | Enwave Corp | Apparatus and procedure for vacuum drying organic materials with microwaves |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202274720U (en) * | 2011-09-30 | 2012-06-13 | 南京长鑫干燥设备有限公司 | Microwave vacuum drying equipment |
| CN103453743A (en) * | 2012-05-29 | 2013-12-18 | 党庆风 | Efficient energy-saving vacuum microwave continuous drying device |
| CN102987524A (en) * | 2012-12-06 | 2013-03-27 | 江南大学 | Pulse spouted microwave freeze-drying device for granular conditioning food and homogenization efficient processing method |
| CN103238887A (en) * | 2013-05-21 | 2013-08-14 | 广东嘉豪食品股份有限公司 | Method for making instant chicken sauce slices through microwave spouted freeze-drying |
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