CN112197563A - Continuous cleaning and automatic adjusting rectangular microwave continuous vacuum drying sterilization equipment - Google Patents
Continuous cleaning and automatic adjusting rectangular microwave continuous vacuum drying sterilization equipment Download PDFInfo
- Publication number
- CN112197563A CN112197563A CN202011097643.4A CN202011097643A CN112197563A CN 112197563 A CN112197563 A CN 112197563A CN 202011097643 A CN202011097643 A CN 202011097643A CN 112197563 A CN112197563 A CN 112197563A
- Authority
- CN
- China
- Prior art keywords
- microwave
- microwave heating
- cavity
- power supply
- feeding
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/12—Microwaves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/22—Cleaning devices comprising fluid applying means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
- F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
- F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
-
- 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
Abstract
The invention discloses continuous cleaning and automatic adjusting rectangular microwave continuous vacuum drying and sterilizing equipment, which comprises a drying and sterilizing box body, wherein the box body is a closed cuboid; the box body is divided into a plurality of microwave heating cavities from top to bottom; a circulating conveying belt is horizontally arranged in the microwave heating cavity, conveying rollers are arranged at two ends of the circulating conveying belt, and the conveying rollers at the feeding end of the circulating conveying belt are fixed on a side wall plate of the microwave heating cavity through a fixing shaft; a feeding spray head is arranged above the feeding end of the circulating conveying belt, the feeding spray head vertically penetrates out of a top plate of the microwave heating cavity to be connected with an external feeding pipe, and a microwave heating area is arranged in the middle of the microwave heating cavity; the material feeding device comprises a feeding inhibition section, a microwave heating section and a discharging inhibition section in sequence, wherein a discharging auger is arranged on a box body bottom plate at the lowest part of a material output channel. The rectangular structure adopted by the invention greatly reduces the equipment volume and is convenient to manufacture and transport.
Description
Technical Field
The invention relates to the field of microwave vacuum drying, in particular to continuous cleaning and automatic adjusting rectangular microwave continuous vacuum drying and sterilizing equipment.
Background
Microwave heating, drying and sterilization, wherein microwave is absorbed to generate a heat effect by utilizing the interaction of the microwave and substance molecules in a rapidly-changing high-frequency electromagnetic field, microwave energy is directly converted into medium heat energy, the object generates heat by itself after the microwave is absorbed by the object, heating is started from the inside and the outside of the object simultaneously, heating inside and outside can be realized simultaneously, different substances have different microwave absorption capacities, the heating effects are different, and the microwave heating and drying method mainly depends on the medium loss of the substances. Water is a substance which absorbs microwaves strongly, and substances containing water can be heated by microwaves quickly and uniformly to achieve a good effect. The microwave vacuum drying equipment combines microwave energy technology and vacuum technology, has the advantages of microwave drying and vacuum drying, overcomes the defects of high temperature, long time and high energy consumption of the conventional vacuum drying, and has the advantages of high drying yield, good quality, low processing cost and the like at the drying temperature of 30-60 ℃ in the drying process of general materials.
At present, two types of equipment for realizing vacuum continuous microwave drying and sterilization are available:
1. one is a circular tank body, the microwave heating element is directly arranged at the upper part of the tank body, and the resonant cavity is the tank body;
2. another Chinese patent publication No. CN109566958A discloses a multi-layer microwave heating and sterilizing vacuum belt dryer and a method for drying and sterilizing corn steep liquor, wherein a microwave heating part-rectangular resonant cavity is arranged in a vacuum tank, and a microwave heating device is arranged in the vacuum tank through a special design and communicated with the atmosphere, so that the microwave device is prevented from being ignited under the vacuum condition. Chinese patent publication No. CN109860007A discloses a magnetron in a vacuum state, an insulation processing method and its application, which solves the problem of using the magnetron in a vacuum environment.
The above-mentioned apparatus has the following disadvantages:
1) circular resonant cavity only is fit for miniature experimental facilities, can not enlarge the size, because the heating distance of microwave is limited, the microwave original paper is outside jar body, and material conveyor belt level is placed at the solid middle part, leads to heating inhomogeneous.
2) The multilayer microwave vacuum dryer has the advantages that the rectangular resonant cavity is arranged in the vacuum tank and is influenced by the diameter of the tank body, the space is limited, the size of the equipment cannot be too large, the installation and maintenance space of the equipment is too small, and the use is inconvenient. The microwave heating element can be used in a vacuum environment after being specially processed, the manufacturing cost is high, and the maintenance and the replacement of equipment are very complicated.
3) The moisture of the product needs to be manually sampled and detected, and then the production process is adjusted, so that the feedback is lagged, and the quality of the product is unstable.
4) The material conveying belt runs in the resonant cavity, and the material on the surface of the return belt falls into the resonant cavity and is excessively heated by microwaves, so that the ignition phenomenon can be generated.
5) The existing equipment needs to be stopped frequently for cleaning, and the use efficiency of the equipment is reduced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides continuous cleaning and automatic adjusting rectangular microwave continuous vacuum drying and sterilizing equipment.
In order to achieve the purpose, the invention relates to continuous cleaning and automatic adjusting rectangular microwave continuous vacuum drying and sterilizing equipment which comprises a drying and sterilizing box body, wherein the box body is a closed cuboid; the box body is divided into a plurality of microwave heating cavities from top to bottom; the discharge ends of the microwave heating cavities are communicated to form a material output channel;
a circulating conveying belt is horizontally arranged in the microwave heating cavity, conveying rollers (belt deviation rectifying devices are arranged in the conveying rollers) are arranged at two ends of the circulating conveying belt, and the conveying rollers at the feeding end of the circulating conveying belt are fixed on the side wall plates of the microwave heating cavity through fixed shafts (belt tensioning devices are arranged in the fixed shafts); a feeding spray head is arranged above the feeding end of the circulating conveying belt, the feeding spray head vertically penetrates out of a top plate of the microwave heating cavity and is connected with an external feeding pipe,
the middle part of the microwave heating cavity is provided with a microwave heating area; sequentially comprises a feeding inhibition section, a microwave heating section and a discharging inhibition section, wherein the microwave heating section comprises a resonance chamber,
a vacuum pumping hole is formed in one side wall of the resonant cavity;
an upper belt of the circulating conveying belt penetrates through a resonant cavity, a microwave heating assembly is arranged above the resonant cavity, and the microwave heating assembly is arranged on a top plate of the microwave heating cavity;
the feeding inhibition section comprises microwave inhibition plates and material heating plates which are arranged on the upper side and the lower side of the upper belt, the discharging inhibition section comprises microwave inhibition plates and material cooling plates which are arranged on the upper side and the lower side of the upper belt, and the microwave inhibition plates, the material heating plates, the microwave inhibition plates and the material cooling plates are all fixed on outer wall plates at two ends of the resonant cavity; a discharging auger is arranged on the bottom plate of the box body at the lowest part of the material output channel; a moisture detector is arranged on a top plate at the discharge end of the microwave heating cavity (the moisture detector is used for online moisture detection and can automatically adjust the heating power, the running speed of a material conveyor belt and the feeding quantity, so that the stable quality of a product is ensured); and a cleaning spray head is arranged below the feeding end of the circulating conveying belt.
Further, the microwave heating assembly comprises a water inlet pipe and a water outlet pipe which are arranged on two sides (besides meeting the requirement of cooling water conveying, enough strength is provided, and the top of the device is supported); a plurality of groups of magnetic control heating assemblies are arranged between the water inlet pipe and the water outlet pipe at intervals, each magnetic control heating assembly comprises two magnetron assemblies arranged in parallel and a microwave power supply assembly arranged between the two magnetron assemblies, each magnetron assembly comprises a plurality of magnetrons, the magnetrons are connected in series through cooling water pipes, and two ends of each cooling water pipe are connected with the water inlet pipe and the water outlet pipe; the microwave power supply assembly comprises a power supply oil groove, the power supply oil groove is provided with a plurality of microwave power supplies, and the microwave power supplies respectively correspond to the magnetrons on two sides one by one and are connected with the magnetrons through power supply cables; the power supply oil groove is welded on the reinforcing plate at the upper part of the resonant cavity to form the reinforcing plate at the upper part of the resonant cavity;
still be provided with water-cooling heat exchanger in the power oil groove, water-cooling heat exchanger both ends pass the power oil groove and are connected with inlet tube and outlet pipe respectively.
Furthermore, the magnetron comprises a magnetic control shielding box, a microwave generating box and a waveguide cavity which are arranged from top to bottom in sequence; a power supply input terminal is arranged on the side wall of the magnetic control shielding box, and a power supply wire is arranged at the end part of the power supply input terminal; the power wire is communicated with a power cable of the microwave power supply;
a microwave generator is vertically arranged in the microwave generating box, a water-cooling jacket and two magnet blocks are arranged outside the microwave generator, and the two magnet blocks are symmetrically arranged at the upper end and the lower end of the water-cooling jacket; water inlets and water outlets are symmetrically arranged on the water-cooling jacket; the magnetron with the water cooling jacket is formed by connecting a cooling water pipe and a water inlet and a water outlet in series;
the microwave generator upwards penetrates through the magnet block and enters the magnetic control shielding box, a choke coil is arranged at the upper end of the microwave generator in the magnetic control shielding box, and the choke coil extends into a power supply input terminal and is connected with a power supply wire; the microwave generator passes through the magnet block downwards and enters the waveguide cavity; the microwave heating cavity is characterized in that a microwave antenna is arranged at the lower end of a microwave generator in the waveguide cavity (a microwave emission window is sealed by special materials such as ceramic and polytetrafluoroethylene, the sealed window can maintain the vacuum degree of the microwave heating cavity and can transmit microwaves at the same time, and the sealing method is a conventional scheme).
And the microwave generating box is fixed on the upper part of the waveguide cavity through a bolt, a fixing plate is arranged between the microwave generating box and the waveguide cavity, and a hole is formed in the middle of the fixing plate to serve as a microwave antenna window.
And the bottom of the waveguide cavity is fixed on the upper part of the resonant cavity, a sealing plate is arranged at the bottom of the waveguide cavity, the sealing plate is fixed on the upper part of the resonant cavity through a fastening screw, or welded, or an adhesive, and a microwave emission window is formed in the sealing plate.
Still further, ejection of compact auger includes upper portion open-ended U type groove, be provided with the cold water intermediate layer in the U type inslot cell wall, be equipped with the auger axle in the U type inslot, the auger axle sets up and stretches out U type groove and be connected with agitator motor.
And furthermore, the bottom plate of the microwave heating cavity inclines upwards from the feeding end to the discharging end, and the inclination angle is within the range of °.
And furthermore, a bottom plate at the feeding end of the microwave heating cavity is provided with a sewage discharge bottom hole.
Still further, the microwave emission window is sealed by a non-microwave-absorbing material selected from the group consisting of polytetrafluoroethylene, ceramic, and quartz.
The invention has the beneficial effects that:
1. the microwave heating element is placed in a normal-pressure environment, and is convenient to maintain and replace.
2. The rectangular structure adopted by the invention greatly reduces the equipment volume and is convenient to manufacture and transport.
3. The microwave heating elements are compactly arranged at the upper part of the resonant cavity, so that the space is saved. The cooling water pipeline and the oil groove of the heating element are designed into a frame and reinforcing ribs of the equipment, so that the design is simplified, and the investment is saved.
4. The return stroke of the material conveying belt passes through the outside of the resonant cavity, so that the belt can be cleaned during production, the inclined design of the bottom of the equipment can continuously clean dust deposited at the bottom of the equipment, and the continuous operation of the equipment is ensured.
5. The outlet of the material is designed with an online moisture detector, the moisture of the product is continuously measured, the running speed of the belt or the feeding amount is automatically adjusted according to the obtained data, and the intellectualization of the production process is realized.
Drawings
FIG. 1 is a schematic structural diagram of a continuous cleaning and automatic adjusting rectangular microwave continuous vacuum drying and sterilizing device;
FIG. 2 is a schematic diagram of a microwave power supply assembly;
FIG. 3 is a schematic view of a magnetically controlled heating assembly;
FIG. 4 is a schematic view of a magnetron;
FIG. 5 is a detailed view of a magnetron
FIG. 6 is a schematic view of a fixation plate;
FIG. 7 is a schematic view of a seal plate; FIG. 8 is a schematic view of a discharge auger;
in the figure, a box body 1, a circulating conveying belt 2, an upper belt 2.1, a conveying roller 3, a fixed shaft 4, a feeding nozzle 5, a resonant cavity 6, a vacuum pumping port 6.1, a microwave heating assembly 7, a water inlet pipe 8, a water outlet pipe 9, a magnetic control heating assembly 10, a magnetic control assembly 11, a microwave power supply assembly 12, a power supply oil groove 12.1, a microwave power supply 12.2, a water cooling heat exchanger 12.3, a power supply cable 12.4, a magnetron 13, a magnetic control shielding box 13.1, a power supply input terminal 13.11, a power supply wire 13.12, a microwave generating box 13.2, a waveguide cavity 13.3, a microwave generator 13.4, a choke coil 13.41, a microwave antenna 13.42, a water cooling jacket 13.5, a water inlet and outlet port 13.51, a magnet block 13.6, a fixed plate 13.7, a microwave antenna window 13.71, a sealing plate 13.8, a microwave emitting window 13.81, a fastening screw 13.9, a cooling water pipe 14, a microwave heating plate 15, a material 16, a microwave, A discharging auger 20, a U-shaped groove 20.1, a cold water interlayer 20.2, an auger shaft 20.3, a stirring motor 20.4, a sewage drainage bottom hole 21 and a cleaning spray head 22.
Detailed Description
The invention is described in further detail below with reference to the figures and specific embodiments for the understanding of those skilled in the art.
The continuous cleaning and automatic adjusting rectangular microwave continuous vacuum drying and sterilizing equipment as shown in the figures 1-8 comprises a drying and sterilizing box body 1, wherein the box body 1 is a closed cuboid; the box body 1 is divided into 2 microwave heating cavities from top to bottom; and 2 microwave heating cavities are U-shaped; the discharge ends of the two are communicated to form a material output channel;
a circulating conveying belt 2 is horizontally arranged in the microwave heating cavity, conveying rollers 3 are arranged at two ends of the circulating conveying belt 2 (belt deviation rectifying devices are arranged in the conveying rollers 3), and the conveying rollers 3 at the feeding end of the circulating conveying belt 2 are fixed on the side wall plates of the microwave heating cavity through fixed shafts 4 (belt tensioning devices are arranged in the fixed shafts 4); a feeding nozzle 5 is arranged above the feeding end of the circulating conveying belt 2, the feeding nozzle 5 vertically penetrates out of a top plate of the microwave heating cavity to be connected with an external feeding pipe, a bottom plate of the microwave heating cavity is inclined upwards from the feeding end to the discharging end, and the inclination angle is 2-10 degrees; a bottom plate at the feed end of the microwave heating cavity is provided with a sewage discharge bottom hole 22;
the middle part of the microwave heating cavity is provided with a microwave heating zone; the device comprises a feeding inhibition section, a microwave heating section and a discharging inhibition section in sequence, wherein the microwave heating section comprises a resonance chamber 6, and vacuum pumping ports 6.1 are symmetrically arranged on one side wall of the resonance chamber 6;
an upper belt 2.1 of the circulating conveying belt 2 penetrates through a resonant cavity 6, a microwave heating assembly 7 is arranged above the resonant cavity 6, and the microwave heating assembly 7 is arranged on a top plate of the microwave heating cavity; the microwave heating component 7 comprises a water inlet pipe 8 and a water outlet pipe 9 which are arranged at two sides; a plurality of groups of magnetron heating assemblies 10 are arranged between the water inlet pipe 8 and the water outlet pipe 9 at intervals, each magnetron heating assembly 10 comprises two magnetron assemblies 11 arranged in parallel and a microwave power supply assembly 12 arranged between the two magnetron assemblies 11, each magnetron assembly 11 comprises a plurality of magnetrons 13, the magnetrons 13 are connected in series through cooling water pipes 14, and two ends of each cooling water pipe 14 are connected with the water inlet pipe 8 and the water outlet pipe 9; the microwave power supply assembly 12 comprises a power supply oil groove 12.1, the power supply oil groove 12.1 is provided with a plurality of microwave power supplies 12.2, and the microwave power supplies 12.2 are respectively in one-to-one correspondence with the magnetrons 13 on two sides and are connected with the magnetrons 13 through power supply cables; the power supply oil groove 12.1 is welded on the reinforcing plate 1.1 at the upper part of the resonant cavity to form a reinforcing plate at the upper part of the resonant cavity;
a water-cooling heat exchanger 12.3 is also arranged in the power supply oil groove 12.1, and two ends of the water-cooling heat exchanger 12.3 penetrate through the power supply oil groove 12.1 and are respectively connected with a water inlet pipe 8 and a water outlet pipe 9;
the feeding inhibition section comprises microwave inhibition plates 15 and material heating plates 16 which are arranged on the upper side and the lower side of the upper belt 2.1, the discharging inhibition section comprises microwave inhibition plates 17 and material cooling plates 18 which are arranged on the upper side and the lower side of the upper belt 2.1, and the microwave inhibition plates 15, the material heating plates 16, the microwave inhibition plates 17 and the material cooling plates 18 are all fixed on outer wall plates at two ends of the resonant cavity 6; a discharging auger 20 is arranged on the bottom plate of the box body 1 at the lowest part of the material output channel; a moisture detector 21 is arranged on a top plate at the discharge end of the microwave heating cavity; a cleaning spray head 23 is arranged below the feeding end of the circulating conveying belt 2;
the magnetron 13 comprises a magnetron shielding box 13.1, a microwave generating box 13.2 and a waveguide cavity 13.3 which are arranged in sequence from top to bottom; a power supply input terminal 13.11 is arranged on the side wall of the magnetic control shielding box 13.1, and a power supply wire 13.12 is arranged at the end part of the power supply input terminal 13.11; the power wire 13.12 is communicated with a power cable 12.4 of the microwave power supply 12.2;
a microwave generator 13.4 is vertically arranged in the microwave generating box 13.2, a water-cooling jacket 13.5 and two magnet blocks 13.6 are arranged outside the microwave generator 13.4, and the two magnet blocks 13.6 are symmetrically arranged at the upper end and the lower end of the water-cooling jacket 13.5; water inlet and outlet ports 13.51 are symmetrically arranged on the water-cooling jacket 13.5; the magnetron 13 with the water cooling jacket is connected with a water inlet and a water outlet in series 13.51 through a cooling water pipe 14;
the microwave generator 13.4 upwards passes through the magnet block 13.6 to enter the magnetic control shielding box 13.1, the upper end of the microwave generator 13.4 in the magnetic control shielding box 13.1 is provided with a choke coil 13.41, and the choke coil 13.41 extends into the power input terminal 13.11 to be connected with the power wire 13.12; the microwave generator 13.4 passes down through the magnet block 13.6 into the waveguide cavity 13.3; the lower end of a microwave generator 13.4 in the waveguide cavity 13.3 is provided with a microwave antenna 13.42;
the microwave generating box 13.2 is fixed on the upper part of the waveguide cavity 13.3 through a bolt, a fixing plate 13.7 is arranged between the microwave generating box 13.2 and the waveguide cavity 13.3, and a hole is formed in the middle of the fixing plate 13.7 to serve as a microwave antenna window 13.71;
the bottom of a waveguide cavity 13.3 is fixed on the upper part of a resonant cavity, a sealing plate 13.8 is arranged at the bottom of the waveguide cavity 13.3, the sealing plate 13.8 is fixed on the upper part of the resonant cavity through a fastening screw 13.9, or welded, or through an adhesive, a microwave emission window 13.81 is arranged on the sealing plate 13.8, the microwave emission window 13.81 is sealed by a material which does not absorb microwaves, and the material which does not absorb microwaves is selected from polytetrafluoroethylene, ceramics and quartz (the sealed window can maintain the vacuum degree of the microwave heating cavity and can transmit microwaves at the same time, and the sealing method is a conventional scheme);
the discharging auger 20 comprises a U-shaped groove 20.1 with an opening at the upper part, a cold water interlayer 20.2 is arranged in the groove wall of the U-shaped groove 20.1, an auger shaft 20.3 is arranged in the U-shaped groove 20.1, and the auger shaft 20.3 extends out of the U-shaped groove 20.1 and is connected with a stirring motor 20.4.
The continuous cleaning and automatic adjusting rectangular microwave continuous vacuum drying and sterilizing equipment has the working process that:
1. closing all valves and access holes of the drying equipment;
2. starting a circulating pump of the heating plate and a circulating pump of the cooling plate;
3. starting a cooling water circulating pump of the magnetron and the oil groove cooling plate;
4. starting a vacuum pump to reach a proper vacuum degree, generally 2000-;
5. starting a circulating conveying belt tensioning device of a belt conveying roller to tension a belt;
6. starting a circulating conveying belt to rotate a motor, starting a feeding pump, and uniformly spraying materials on the belt through a spraying device;
7. according to the action process of the materials, after the materials enter a microwave heating area, sequentially starting a microwave heating magnetron;
8. the material passes through the material heating plate, the microwave heating area and the material cooling plate, passes through the microwave inhibition area, passes through the moisture detection device, and adjusts the running speed of the belt according to the moisture of the material. If the moisture is too high, the speed at which the belt runs is reduced.
9. The dried material falls into the discharging auger and is conveyed out of the vacuum drying system through the auger. According to the conventional technology, two vacuum conversion tanks are operated in turn to enter a normal pressure state.
10. The belt returns to the feeding section from the outside of the microwave heating zone, and is sprayed and cleaned at the lower part to enter the next drying period.
Other parts not described in detail are prior art. Although the present invention has been described in detail with reference to the above embodiments, it is only a part of the embodiments of the present invention, not all of the embodiments, and other embodiments can be obtained without inventive step according to the embodiments, and the embodiments are within the scope of the present invention.
Claims (9)
1. The utility model provides a continuous washing, automatically regulated's continuous vacuum drying sterilization equipment of rectangle microwave, it includes dry box (1) that disinfects, its characterized in that: the box body (1) is a closed cuboid; the box body (1) is divided into a plurality of microwave heating cavities from top to bottom; the discharge ends of the microwave heating cavities are communicated to form a material output channel;
a circulating conveying belt (2) is horizontally arranged in the microwave heating cavity, conveying rollers (3) are arranged at two ends of the circulating conveying belt (2), and the conveying rollers (3) at the feeding end of the circulating conveying belt (2) are fixed on the side wall plate of the microwave heating cavity through fixing shafts (4); a feeding spray head (5) is arranged above the feeding end of the circulating conveying belt (2), the feeding spray head (5) vertically penetrates out of a top plate of the microwave heating cavity and is connected with an external feeding pipe,
the middle part of the microwave heating cavity is provided with a microwave heating area; the microwave heating device comprises a feeding inhibition section, a microwave heating section and a discharging inhibition section in sequence, wherein the microwave heating section comprises a resonance chamber (6), and a vacuum pumping hole (6.1) is formed in one side wall of the resonance chamber (6);
an upper belt (2.1) of the circulating conveying belt (2) penetrates through a resonant chamber (6), a microwave heating assembly (7) is arranged above the resonant chamber (6), and the microwave heating assembly (7) is arranged on a top plate of a microwave heating cavity;
the feeding inhibition section comprises microwave inhibition plates (15) and material heating plates (16) which are arranged on the upper side and the lower side of the upper belt (2.1), the discharging inhibition section comprises microwave inhibition plates (17) and material cooling plates (18) which are arranged on the upper side and the lower side of the upper belt (2.1), and the microwave inhibition plates (15), the material heating plates (16), the microwave inhibition plates (17) and the material cooling plates (18) are all fixed on outer wall plates at two ends of the resonant cavity (6); a discharging auger (20) is arranged on a bottom plate of the box body (1) at the lowest part of the material output channel; a moisture detector (21) is arranged on a top plate at the discharge end of the microwave heating cavity; and a cleaning spray head (23) is arranged below the feeding end of the circulating conveying belt (2).
2. The continuous cleaning, self-adjusting rectangular microwave continuous vacuum drying and sterilizing apparatus according to claim 1, wherein: the microwave heating assembly (7) comprises a water inlet pipe (8) and a water outlet pipe (9) which are arranged on two sides; a plurality of groups of magnetic control heating assemblies (10) are arranged between the water inlet pipe (8) and the water outlet pipe (9) at intervals, each magnetic control heating assembly (10) comprises two magnetic control assemblies (11) arranged in parallel and a microwave power supply assembly (12) arranged between the two magnetic control assemblies (11), each magnetic control assembly (11) comprises a plurality of magnetic control tubes (13), the magnetic control tubes (13) are connected in series through cooling water pipes (14), and two ends of each cooling water pipe (14) are connected with the water inlet pipe (8) and the water outlet pipe (9); the microwave power supply assembly (12) comprises a power supply oil groove (12.1), the power supply oil groove (12.1) is provided with a plurality of microwave power supplies (12.2), and the microwave power supplies (12.2) are respectively in one-to-one correspondence with the magnetrons (13) on two sides and are connected with the magnetrons (13) through power supply cables; the power supply oil groove (12.1) is welded on the reinforcing plate (1.1) at the upper part of the resonant cavity to form a reinforcing plate at the upper part of the resonant cavity;
still be provided with water-cooling heat exchanger (12.3) in power oil groove (12.1), water-cooling heat exchanger (12.3) both ends are passed power oil groove (12.1) and are connected with inlet tube (8) and outlet pipe (9) respectively.
3. The continuous cleaning, self-adjusting rectangular microwave continuous vacuum drying and sterilizing apparatus according to claim 2, wherein: the magnetron (13) comprises a magnetron shielding box (13.1), a microwave generating box (13.2) and a waveguide cavity (13.3) which are arranged from top to bottom in sequence; a power supply input terminal (13.11) is arranged on the side wall of the magnetic control shielding box (13.1), and a power supply wire (13.12) is arranged at the end part of the power supply input terminal (13.11); the power supply wire (13.12) is communicated with a power supply cable (12.4) of the microwave power supply (12.2);
a microwave generator (13.4) is vertically arranged in the microwave generating box (13.2), a water-cooling jacket (13.5) and two magnet blocks (13.6) are arranged outside the microwave generator (13.4), and the two magnet blocks (13.6) are symmetrically arranged at the upper end and the lower end of the water-cooling jacket (13.5); water inlet and outlet ports (13.51) are symmetrically arranged on the water-cooling jacket (13.5); the magnetron (13) with the water cooling jacket is formed by connecting a cooling water pipe (14) with a water inlet and a water outlet in series (13.51);
the microwave generator (13.4) upwards penetrates through the magnet block (13.6) to enter the magnetic control shielding box (13.1), a choke coil (13.41) is arranged at the upper end of the microwave generator (13.4) in the magnetic control shielding box (13.1), and the choke coil (13.41) extends into the power supply input terminal (13.11) to be connected with the power supply wire (13.12); the microwave generator (13.4) passes through the magnet block (13.6) downwards and enters the waveguide cavity (13.3); and a microwave antenna (13.42) is arranged at the lower end of the microwave generator (13.4) in the waveguide cavity (13.3).
4. The continuous cleaning, self-adjusting rectangular microwave continuous vacuum drying and sterilizing apparatus of claim 3, wherein: the microwave generating box (13.2) is fixed on the upper part of the waveguide cavity (13.3) through bolts, a fixing plate (13.7) is arranged between the microwave generating box (13.2) and the waveguide cavity (13.3), and an opening is formed in the middle of the fixing plate (13.7) to serve as a microwave antenna window (13.71).
5. The continuous cleaning, self-adjusting rectangular microwave continuous vacuum drying and sterilizing apparatus of claim 3, wherein: the microwave cavity is characterized in that the bottom of the waveguide cavity (13.3) is fixed on the upper portion of the resonant cavity, a sealing plate (13.8) is arranged at the bottom of the waveguide cavity (13.3), the sealing plate (13.8) is fixed on the upper portion of the resonant cavity through a fastening screw (13.9), or welded, or fixed on the upper portion of the resonant cavity through an adhesive, and a microwave emission window (13.81) is formed in the sealing plate (13.8).
6. The continuous cleaning, self-adjusting rectangular microwave continuous vacuum drying and sterilizing apparatus according to claim 1, wherein: ejection of compact auger (20) are including upper portion open-ended U type groove (20.1), be provided with cold water intermediate layer (20.2) in U type groove (20.1) cell wall, be equipped with auger axle (20.3) in U type groove (20.1), auger axle (20.3) set up and stretch out U type groove (20.1) and be connected with agitator motor (20.4).
7. The continuous cleaning, self-adjusting rectangular microwave continuous vacuum drying and sterilizing apparatus according to claim 1, wherein: the bottom plate of the microwave heating cavity inclines upwards from the feeding end to the discharging end, and the inclination angle is 2-10 degrees.
8. The continuous cleaning, self-adjusting rectangular microwave continuous vacuum drying sterilization apparatus of claim 7, wherein: a bottom plate at the feeding end of the microwave heating cavity is provided with a sewage draining bottom hole (22).
9. The continuous cleaning, self-adjusting rectangular microwave continuous vacuum drying and sterilizing apparatus of claim 5, wherein: the microwave emission window (13.81) is sealed by a non-microwave absorbing material selected from the group consisting of polytetrafluoroethylene, ceramic and quartz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011097643.4A CN112197563A (en) | 2020-10-14 | 2020-10-14 | Continuous cleaning and automatic adjusting rectangular microwave continuous vacuum drying sterilization equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011097643.4A CN112197563A (en) | 2020-10-14 | 2020-10-14 | Continuous cleaning and automatic adjusting rectangular microwave continuous vacuum drying sterilization equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112197563A true CN112197563A (en) | 2021-01-08 |
Family
ID=74009892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011097643.4A Pending CN112197563A (en) | 2020-10-14 | 2020-10-14 | Continuous cleaning and automatic adjusting rectangular microwave continuous vacuum drying sterilization equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112197563A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116817572A (en) * | 2023-08-31 | 2023-09-29 | 昆明冬冬食品有限公司 | Drying equipment for food processing with heat recycling function |
| WO2023207711A1 (en) * | 2022-04-27 | 2023-11-02 | 青岛慧智兰智能科技有限公司 | Microwave heating device for disposable gloves |
-
2020
- 2020-10-14 CN CN202011097643.4A patent/CN112197563A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023207711A1 (en) * | 2022-04-27 | 2023-11-02 | 青岛慧智兰智能科技有限公司 | Microwave heating device for disposable gloves |
| CN116817572A (en) * | 2023-08-31 | 2023-09-29 | 昆明冬冬食品有限公司 | Drying equipment for food processing with heat recycling function |
| CN116817572B (en) * | 2023-08-31 | 2023-12-15 | 昆明冬冬食品有限公司 | Drying equipment for food processing with heat recycling function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213931919U (en) | Continuous cleaning and automatic adjusting rectangular microwave continuous vacuum drying sterilization equipment | |
| CN112197563A (en) | Continuous cleaning and automatic adjusting rectangular microwave continuous vacuum drying sterilization equipment | |
| CN2911567Y (en) | Belt type microwave vacuum dryer | |
| CN201266007Y (en) | Continuous microwave hot wind combined drying equipment | |
| WO2008025258A1 (en) | A vacuum microwave drying apparatus | |
| CN201096446Y (en) | Continuous type microwave material drying-machine | |
| CN100476065C (en) | Textile and non-woven cloth plasma surface treating device | |
| CN107328213A (en) | A kind of solid state fermentation feed microwave drier | |
| CN101581534A (en) | Continuous-type microwave hot air combined drying equipment | |
| WO2012009859A1 (en) | Microwave dryer and microwave drying method | |
| CN201160488Y (en) | Microwave sterilization machine for current medium | |
| CN208475913U (en) | Vacuum belt drier | |
| CN201138123Y (en) | Tunnel type multi-layered microwave energy feedback maturing drying apparatus | |
| RU84520U1 (en) | INSTALLATION FOR DRYING GRAIN MATERIAL | |
| CN211823703U (en) | Heated air circulation formula tunnel sterilization oven | |
| CN200988925Y (en) | Textile and non-woven cloth plasma surface treating device | |
| CN207907587U (en) | A kind of energy-efficient microwave dryer | |
| CN211084736U (en) | Energy-concerving and environment-protective microwave drying line | |
| NZ572340A (en) | Method of drying sludge and device for implementing the method | |
| CN213984524U (en) | High-efficient economizer suitable for processing is calcined to basic zinc carbonate | |
| CN213848657U (en) | Soaking and cleaning device | |
| CN101231140A (en) | Materiel holder structure of electro-heat vacuum drier | |
| CN210906116U (en) | Hindered phenol antioxidant continuous ester exchange reaction production device | |
| CN116282826B (en) | Sludge drying system | |
| CN214528644U (en) | Sludge heat treatment drying degradation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |