CN221440591U - Microwave drying equipment - Google Patents

Abstract

The utility model provides microwave drying equipment, which comprises a supporting table, a drying box, a flattening component, a drying device and a cleaning device, wherein the drying box is arranged on the supporting table; a material conveying mechanism is arranged in the drying box, one end, away from the discharge hole, of the material conveying mechanism penetrates through the drying box and extends to the outside of the drying box, and a cleaning device is arranged on the supporting table and used for cleaning the material conveying mechanism positioned outside the drying box; the drying device is arranged on the drying box and used for carrying out microwave drying on the materials on the material conveying mechanism; the two sides of the material conveying mechanism are provided with baffle plates, and the flattening component is arranged on the baffle plates and is used for flattening the materials on the material conveying mechanism; the utility model can solve the problem that the cleaning mechanism arranged in the prior art can not clean the material conveying belt while conveying the material.

Description

Microwave drying equipment

Technical Field

The utility model relates to the technical field of drying treatment, in particular to microwave drying equipment.

Background

Sludge is a product after sewage treatment, and is an extremely complex non-uniform mass composed of organic residues, bacterial cells, inorganic particles, colloid and the like. The main characteristics of the sludge are high water content (up to 99% or more), high organic matter content, easy decomposition and stinking, fine particles, small specific gravity and colloidal liquid state. It is a thick matter between liquid and solid and can be transported by a pump, but it is difficult to perform solid-liquid separation by sedimentation. Sludge is required to be dried during treatment to remove most of the water content from the sludge, thereby facilitating the transportation, stacking, utilization or further treatment of the sludge.

The prior art has the publication number: the utility model of CN215757001U discloses a microwave drying treatment device for sludge, (the following is called as the prior art 1), which comprises a bottom plate, a plurality of supporting legs are fixedly connected to the bottom of the bottom plate, a drying bin is fixedly connected to the top of the bottom plate, an observation window is arranged on the front end surface of the drying bin, a fixing frame is arranged on one side of the drying bin, a discharge hole is formed in one side of the drying bin, which is close to the fixing frame, two pairs of brackets are fixedly connected to the top of the bottom plate, the two pairs of brackets are respectively positioned in the drying bin and outside, belt rollers are respectively arranged between each pair of brackets through roller shafts, one of the belt rollers is externally connected with a driving device, two belt rollers are in transmission connection with a material conveying belt, the material conveying belt penetrates through the discharge hole, a side wall of the drying bin is fixedly connected with a feed pipe on one side wall, the tail end of the feed pipe penetrates through the side wall of the drying bin, a guide pipe is fixedly connected to the upper side of the drying bin, a flattening mechanism is arranged on one side of the guide pipe, the drying bin is arranged in the drying bin, the belt is respectively, the belt rollers are respectively arranged between the drying bin and the bottom plate, the top of the guide pipe is connected to the top of the bottom plate, and the guide pipe is in a cleaning pipe is in a shape of the top of the guide pipe.

In prior art 1, though the cleaning mechanism is arranged to clean the material conveying belt, the cleaning mechanism in prior art 1 is arranged above the discharging pipe, so that the sewage generated in cleaning can be prevented from polluting the material on the material conveying belt, and the cleaning mechanism arranged in prior art 1 can not clean the material conveying belt when the material conveying belt conveys and dries the material.

Disclosure of utility model

The utility model aims to provide a microwave drying device, which can solve the problem that a cleaning mechanism arranged in the prior art cannot clean a material conveying belt while conveying and drying the material.

In order to solve the technical problems, the utility model adopts the following technical scheme:

The microwave drying equipment comprises a supporting table, a drying box, a flattening component, a drying device and a cleaning device, wherein the drying box is arranged on the supporting table, a feed hopper is arranged on the drying box, and a discharge hole is formed in one side, far away from the feed hopper, of the drying box;

A material conveying mechanism is arranged in the drying box, one end, away from the discharge hole, of the material conveying mechanism penetrates through the drying box and extends to the outside of the drying box, and a cleaning device is arranged on the supporting table and used for cleaning the material conveying mechanism positioned outside the drying box; the drying device is arranged on the drying box and used for carrying out microwave drying on the materials on the material conveying mechanism; the two sides of the material conveying mechanism are provided with baffle plates, and the flattening component is arranged on the baffle plates and is used for flattening the materials on the material conveying mechanism;

The support bench is provided with a guide plate which is obliquely arranged, the high end of the guide plate is contacted with the surface of one side, close to the discharge hole, of the material conveying mechanism, the low end of the guide plate extends into the discharge hole, and a valve is arranged in the discharge hole.

The material conveying mechanism comprises a first support arranged outside the drying box, a second support arranged in the drying box, a driving roller rotatably arranged on the first support, a driven roller rotatably arranged on the second support, a material conveying belt wound on the driving roller and the driven roller, and a driving device for driving the driving roller to rotate.

Further optimized, the spreading assembly comprises a connecting frame, a spreading plate and a distributing plate, wherein the spreading plate and the distributing plate are connected with the baffle through the connecting frame, and the spreading plate and the bottom end of the distributing plate are vertically arranged above the material conveying belt; the distributing plate is arranged on one side of the distributing plate, which is close to the feeding hopper, and a leakage opening is arranged on the distributing plate.

Wherein, the bottom of amortization board is cylindrical structure.

Further preferably, the baffle is connected with a furling plate.

The drying device comprises a microwave generator and a wave guide pipe, the microwave generator is arranged on the drying bin, the bottom of the microwave generator is connected with the wave guide pipe, the bottom end of the wave guide pipe is fixedly connected with a wave guide cavity, the bottom of the wave guide cavity is fixedly connected with a plurality of heating pipes, the wave guide cavity is connected with a fixing rod, the wave guide cavity is connected with the drying bin through the fixing rod, and the heating pipes and the wave guide pipe are all communicated with the wave guide cavity.

Further optimizing, and the bottom of heating pipe is loudspeaker form structure.

The cleaning device comprises a mounting seat and a water tank, wherein an arc-shaped groove is formed in the mounting seat; a bent pipe is arranged in the arc-shaped groove, and a spray head is arranged on the bent pipe; the water tank is connected with the support frame, the water outlet end of the water tank is connected with a water delivery pipe, and the bent pipe is connected with the water tank through the water delivery pipe; the water pump is arranged on the conveying pipe, and the water drainage groove is arranged on the supporting frame.

Further optimized, the feeding hopper is provided with a connecting plate, a rotating shaft is rotatably arranged on the connecting plate, and a spiral feeding blade is connected to the rotating shaft; the connecting plate is provided with a first motor which is used for driving the rotating shaft to rotate.

Wherein, install hot air device on the mummification case, hot air device sets up the top of the fortune material mechanism that is located the mummification case outside.

Compared with the prior art, the utility model has the following beneficial effects:

In the embodiment, after the material falls onto the material conveying mechanism through the feed hopper, the material conveying mechanism conveys the material to the direction of the discharge port, the flattening component arranged on the baffle plate flattens the material on the material conveying mechanism, and the drying device arranged on the drying box performs microwave drying on the flattened material; after the dried material is scraped from the surface of the material conveying mechanism by the material guide plate with the high end in contact with the surface of the material conveying device, the material is guided by the material guide plate so that the material can completely enter the material outlet through the low end of the material guide plate, and the material is prevented from falling and remaining on a supporting table below the material conveying mechanism; meanwhile, the guide plate can also carry out preliminary cleaning on the material conveying mechanism, so that a large amount of materials are prevented from remaining on the material conveying mechanism; after the surface of the residual material in the material conveying machine moves to the outside of the drying box, a cleaning device arranged outside the drying box cleans the surface of a material conveying mechanism extending to the outside of the drying box; the utility model can solve the problem that the cleaning mechanism arranged in the prior art can not clean the material conveying belt while the material conveying belt conveys and dries the material.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an enlarged view of a portion of fig. 1a in accordance with the present utility model.

FIG. 3 is a schematic view of the connection between the baffle and the gathering plate according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

101-supporting table, 102-drying box, 103-flattening component, 104-drying device, 105-cleaning device, 106-feed hopper, 107-discharge port, 108-material conveying mechanism, 109-baffle, 110-material guiding plate, 111-first bracket, 112-second bracket, 113-driving roller, 114-driven roller, 115-cleaning brush, 116-supporting rod, 117-connecting frame, 118-flattening plate, 119-splitting plate, 120-leak port, 121-collecting plate, 122-microwave generator, 123-guided wave pipe, 124-guided wave cavity, 125-heating pipe, 126-fixing rod, 127-mounting seat, 128-water tank, 129-arc groove, 130-bent pipe, 131-spray head, 132-water pipe, 133-water draining groove and 134-material conveying belt.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "vertical," "horizontal," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the embodiments of the present utility model and to simplify the description, rather than to indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In embodiments of the utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.

The following disclosure provides many different implementations, or examples, for implementing different configurations of embodiments of the utility model. In order to simplify the disclosure of embodiments of the present utility model, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present utility model. Furthermore, embodiments of the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Example 1

Referring to fig. 1-3, the embodiment discloses a microwave drying device, which comprises a supporting table 101 and a drying box 102, wherein the drying box 102 is installed on the supporting table 101, and further comprises a flattening component 103, a drying device 104 and a cleaning device 105, a feeding hopper 106 is arranged on the drying box 102, and a discharging hole 107 is arranged on one side, far away from the feeding hopper 106, of the drying box 102; a material conveying mechanism 108 is arranged in the drying box 102, one end, away from the discharge hole 107, of the material conveying mechanism 108 penetrates through the drying box 102 to extend to the outside of the drying box 102, and a cleaning device 105 is arranged on the supporting table 101 and used for cleaning the material conveying mechanism 108 positioned outside the drying box 102; the drying device 104 is arranged on the drying box 102 and is used for carrying out microwave drying on the materials on the material conveying mechanism 108; the two sides of the material conveying mechanism 108 are provided with baffle plates 109, and the flattening component 103 is arranged on the baffle plates 109 and is used for flattening the materials on the material conveying mechanism 108; the support table 101 is provided with a guide plate 110 which is obliquely arranged, the high end of the guide plate 110 is in contact with the surface of the material conveying mechanism 108, which is close to one side of the discharge hole 107, the low end of the guide plate 110 extends into the discharge hole 107, and a valve is arranged in the discharge hole 107.

In this embodiment, after the material falls onto the material conveying mechanism 108 through the feed hopper 106, the material conveying mechanism 108 conveys the material to the direction of the discharge hole 107, the flattening component 103 installed on the baffle 109 performs flattening on the material conveying mechanism 108, and the drying device 104 installed on the drying box 102 performs microwave drying on the flattened material; after the dried material is scraped from the surface of the material conveying mechanism 108 by the material guide plate 110 with the high end in contact with the surface of the material conveying device, the material guide plate 110 guides the material so that the material can completely enter the material outlet 107 through the low end of the material guide plate 110, and the material is prevented from falling and remaining on the supporting table 101 below the material conveying mechanism 108; meanwhile, the material guide plate 110 can also perform preliminary cleaning on the material conveying mechanism 108, so that a large amount of materials are prevented from remaining on the material conveying mechanism 108; after the surface of the residual materials in the material conveying machine moves out of the drying box 102, a cleaning device 105 arranged outside the drying box 102 cleans the surface of a material conveying mechanism 108 extending out of the drying box 102; the utility model can solve the problem that the cleaning mechanism arranged in the prior art can not clean the material conveying belt 134 while the material conveying belt 134 conveys and dries the material.

The material conveying mechanism 108 comprises a first support 111 arranged outside the drying box 102, a second support 112 arranged in the drying box 102, a driving roller 113 rotatably arranged on the first support 111, a driven roller 114 rotatably arranged on the second support 112, a material conveying belt 134 wound on the driving roller 113 and the driven roller 114, and a driving device for driving the driving roller 113 to rotate. The driving device in this embodiment is a second motor with a rotating end connected with the driving roller 113, and the second motor drives the driving roller 113 to rotate, so that the driving roller 113 drives the driven roller 114 and the material conveying belt 134 wound on the driving roller 113 and the driven roller 114 to move, thereby driving the material falling on the material conveying belt 134 through the feeding hopper 106 to move; after the material is transported to the discharge hole 107 by the material transporting belt 134 through the material guiding plate 110, the material transporting belt 134 with the material remained on the surface moves towards the direction of the first bracket 111 arranged outside the drying box 102 under the drive of the driving roller 113; the cleaning device 105 arranged outside the drying box 102 cleans the material conveying belt 134 moving outside the drying box 102, and the cleaned material conveying belt 134 moves to the position under the feed hopper 106 again under the drive of the drive roller 113 to convey and dry the material.

Further preferably, the flattening assembly 103 comprises a connecting frame 117, a flattening plate 118 and a distributing plate 119, wherein the flattening plate 118 and the distributing plate 119 are connected with the baffle 109 through the connecting frame 117, and the flattening plate 118 and the bottom end of the distributing plate 119 are vertically arranged above the material conveying belt 134; the flattening component 103 is arranged on one side of the drying device 104 close to the feed hopper 106, the distributing plate 119 is arranged on one side of the flattening plate 118 close to the feed hopper 106, and the distributing plate 119 is provided with a leakage opening 120. When the material is driven by the material conveying belt 134, the material is firstly contacted with the distributing plate 119; the number of the leakage openings 120 arranged on the distributing plate 119 is several, the leakage openings 120 are used for distributing the materials at intervals, the distributed materials are contacted with the distributing plate 118 and then distributed through the distributing plate 118, and the microwave drying effect of the drying device 104 on the materials on the conveying belt 134 can be improved by distributing the materials.

Wherein the bottom end of the flattening plate 118 is of cylindrical configuration. By arranging the bottom end of the spreading plate 118 to be cylindrical, the material can move more smoothly after contacting with the spreading plate 118, and stacking is not easy to cause.

Further preferably, a folding plate 121 is connected to the baffle 109. The narrow opening of the gathering plate 121 faces the direction of the discharge opening 107, the gathering plate 121 is positioned on one side of the distributing plate 119 close to the feeding hopper 106, and materials enter from the wide opening of the gathering plate 121 after falling on the material conveying belt 134 from the feeding hopper 106. Because the folding frame is gradually narrowed, the materials are folded, and the rear materials pass through the leakage openings 120 in the distributing plate 119, so that the interval distribution is realized, and the phenomenon that the sludge is too much to be flattened is avoided.

Example two

Referring to fig. 1-3, this embodiment is further optimized based on the first embodiment, the drying device 104 includes a microwave generator 122 and a waveguide pipe 123, the microwave generator 122 is installed on the drying cabin, the bottom of the microwave generator 122 is connected with the waveguide pipe 123, the bottom end of the waveguide pipe 123 is fixedly connected with a waveguide cavity 124, the bottom of the waveguide cavity 124 is fixedly connected with a plurality of heating pipes 125, the waveguide cavity 124 is connected with a fixing rod 126, the waveguide cavity 124 is connected with the drying cabin through the fixing rod 126, and the heating pipes 125 and the waveguide pipe 123 are both communicated with the waveguide cavity 124. After the microwave generator 122 is electrified, microwaves can be generated, the generated microwaves can be led into the guided wave cavity 124 through the guided wave pipe 123, and the heating pipe 125 can heat the materials on the material conveying belt 134 by utilizing the microwaves in the guided wave cavity 124, so that the materials are dried and dehydrated

Wherein, the bottom end of the heating tube 125 is in a horn-shaped structure. By arranging the bottom end of the heating pipe 125 in a horn shape, the directionality and strength of the microwaves for heating and drying the material can be increased, so that the effect of the heating pipe 125 on heating the material on the material conveying belt 134 is further improved.

Further preferably, the cleaning device 105 comprises a mounting seat 127 and a water tank 128, and an arc-shaped groove 129 is arranged on the mounting seat 127; an elbow 130 is arranged in the arc-shaped groove 129, and a spray head 131 is arranged on the elbow 130; the water tank 128 is connected with the support frame, a water delivery pipe 132 is connected to the water outlet end of the water tank 128, and the elbow 130 is connected with the water tank 128 through the water delivery pipe 132; a water pump is arranged on the conveying pipe, and a drainage groove 133 is arranged on the supporting frame. After the materials on the material conveying belt 134 are scraped by the material guide plate 110 arranged at the feed inlet, the material conveying belt 134 with partial materials left on the surface is driven by a second motor to move out of the drying box 102; the water pump arranged on the water delivery pipe 132 is started, water in the water tank 128 is transported to the bent pipe 130 through the water delivery pipe 132, then the water is sprayed out through a plurality of spray heads 131 arranged on the bent pipe 130, the residual materials on the material conveying belt 134 are cleaned, and sewage flowing down from the material conveying belt 134 after cleaning is discharged through a drainage groove 133 arranged on the bracket, so that the anti-fouling water enters the drying box 102.

The feeding hopper 106 is provided with a connecting plate, a rotating shaft is rotatably arranged on the connecting plate, and a spiral feeding blade is connected to the rotating shaft; the connecting plate is provided with a first motor which is used for driving the rotating shaft to rotate. The first motor drives the rotating shaft and the spiral feeding blade connected with the rotating shaft to rotate, so that the blanking efficiency of the material entering the feeding hopper 106 is further improved, and the material is prevented from being blocked in the feeding hopper 106.

Further preferably, a hot air device is mounted on the drying box 102, and the hot air device is arranged above the material conveying mechanism 108 positioned outside the drying box 102. The hot air device is provided with an air outlet, and hot air blown out from the air outlet is used for drying the material conveying belt 134 cleaned by the cleaning device 105, so that residual moisture on the material conveying belt 134 moved into the drying box 102 is avoided.

Example III

Referring to fig. 1-3, this embodiment is substantially identical to the first embodiment except that in this embodiment, the spreader plate 118 is connected to the connector 117 by an electronic telescopic rod. Under the drive of the electronic telescopic rod, the distance between the spreading plate 118 and the surface of the material conveying belt 134 can be adjusted according to actual needs, so that the thickness of the flattened material is changed, and the drying effect is further improved.

The support is provided with a support rod 116, the support rod 116 is rotatably provided with a cleaning brush 115, the support rod 116 is arranged on one side of the cleaning device 105, which is close to the drying box 102, and the cleaning brush 115 is in surface contact with the material conveying belt 134. The cleaning brush 115 is used for cleaning the residual material on the material conveying belt 134 in cooperation with the cleaning device, so that the cleaning effect can be further improved.

While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a microwave desiccation equipment, includes brace table (101) and desiccation case (102), and desiccation case (102) are installed on brace table (101), its characterized in that: the drying box comprises a drying box body (102), and is characterized by further comprising a flattening assembly (103), a drying device (104) and a cleaning device (105), wherein a feeding hopper (106) is arranged on the drying box body (102), and a discharging hole (107) is formed in one side, far away from the feeding hopper (106), of the drying box body (102);

A material conveying mechanism (108) is arranged in the drying box (102), one end, far away from the discharge hole (107), of the material conveying mechanism (108) penetrates through the drying box (102) and extends to the outside of the drying box (102), and a cleaning device (105) is arranged on the supporting table (101) and used for cleaning the material conveying mechanism (108) positioned outside the drying box (102); the drying device (104) is arranged on the drying box (102) and is used for carrying out microwave drying on the materials on the material conveying mechanism (108); the two sides of the material conveying mechanism (108) are provided with baffle plates (109), and the flattening component (103) is arranged on the baffle plates (109) and is used for flattening the materials on the material conveying mechanism (108);

The support table (101) is provided with a guide plate (110) which is obliquely arranged, the high end of the guide plate (110) is in contact with the surface of one side, close to the discharge hole (107), of the material conveying mechanism (108), the low end of the guide plate (110) extends into the discharge hole (107), and a valve is arranged in the discharge hole (107).

2. The microwave drying apparatus according to claim 1, wherein: the material conveying mechanism (108) comprises a first support (111) arranged outside the drying box (102), a second support (112) arranged in the drying box (102), a driving roller (113) rotatably arranged on the first support (111), a driven roller (114) rotatably arranged on the second support (112), a material conveying belt (134) wound on the driving roller (113) and the driven roller (114), and a driving device for driving the driving roller (113) to rotate.

3. A microwave drying apparatus according to claim 2, wherein: the flattening assembly (103) comprises a connecting frame (117), a flattening plate (118) and a distributing plate (119), wherein the flattening plate (118) and the distributing plate (119) are connected with the baffle plate (109) through the connecting frame (117), and the flattening plate (118) and the bottom end of the distributing plate (119) are vertically arranged above the material conveying belt (134); the distributing plate (119) is arranged on one side of the distributing plate (118) close to the feed hopper (106), and a leakage opening (120) is formed in the distributing plate (119).

4. A microwave drying apparatus according to claim 3, wherein: the bottom end of the spreading plate (118) is of a cylindrical structure.

5. The microwave drying apparatus according to claim 4, wherein: the baffle (109) is connected with a folding plate (121).

6. The microwave drying apparatus according to claim 1, wherein: drying device (104) are including microwave generator (122) and guided wave pipe (123), and microwave generator (122) are installed on the desiccation storehouse, and the bottom and the guided wave pipe (123) of microwave generator (122) are connected, and the bottom fixedly connected with guided wave chamber (124) of guided wave pipe (123), the bottom fixedly connected with of guided wave chamber (124) is a plurality of heating pipes (125), is connected with dead lever (126) on guided wave chamber (124), and guided wave chamber (124) are connected with the desiccation storehouse through dead lever (126), and heating pipe (125) and guided wave pipe (123) all communicate with guided wave chamber (124).

7. The microwave drying apparatus according to claim 6, wherein: and the bottom end of the heating pipe (125) is in a horn-shaped structure.

8. The microwave drying apparatus according to claim 1, wherein: the cleaning device (105) comprises a mounting seat (127) and a water tank (128), and an arc-shaped groove (129) is formed in the mounting seat (127); an elbow (130) is arranged in the arc-shaped groove (129), and a spray head (131) is arranged on the elbow (130); the water tank (128) is connected with the support frame, a water delivery pipe (132) is connected to the water outlet end of the water tank (128), and the elbow pipe (130) is connected with the water tank (128) through the water delivery pipe (132); the water pump is arranged on the conveying pipe, and the support frame is provided with a drainage groove (133).

9. The microwave drying apparatus according to claim 1, wherein: the feeding hopper (106) is provided with a connecting plate, a rotating shaft is rotatably arranged on the connecting plate, and a spiral feeding blade is connected to the rotating shaft; the connecting plate is provided with a first motor which is used for driving the rotating shaft to rotate.

10. The microwave drying apparatus according to claim 1, wherein: the drying box (102) is provided with a hot air device which is arranged above a material conveying mechanism (108) positioned outside the drying box (102).