CN111397322A

CN111397322A - Drying equipment

Info

Publication number: CN111397322A
Application number: CN202010318487.3A
Authority: CN
Inventors: 陈武东; 毛新平; 孙鹏; 温海江; 王秋菊; 李喜陆; 吴春升; 何树国; 车刚; 佟童; 刘睿
Original assignee: Jiamusi Institute Of Agricultural Mechanization Heilongjiang Academy Of Agricultural Mechanical Engineering
Current assignee: Jiamusi Institute Of Agricultural Mechanization Heilongjiang Academy Of Agricultural Mechanical Engineering
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-07-10

Abstract

The invention provides drying equipment, and relates to the technical field of drying. The drying apparatus includes: the material drying device is internally provided with a material drying chamber, the material drying chamber is divided into a plurality of drying unit chambers through a plurality of vertical partition plates, a material containing mechanism is arranged in each drying unit chamber, and a door mechanism is arranged at each vertical partition plate and is used for communicating or sealing the adjacent drying unit chambers; and the air heating device is used for blowing hot air to the material drying chamber so as to dry the materials in the material containing mechanism, and solves the problems that in the prior art, small batches and various grain crop seeds are respectively loaded into mesh bags and then hung for natural drying or dried by means of manual drying in a sunning ground, so that a large amount of manpower and material resources are wasted, and the problem of limitation of the site weather is also avoided.

Description

Drying equipment

Technical Field

The invention relates to the technical field of drying, in particular to drying equipment.

Background

Because the seeds often rain in the harvest season, frost and high-moisture grain crop seeds sometimes occur, if the seeds do not timely rain to reach the standard of safe storage, the germination vigor and the germination rate of the seeds are seriously influenced, and the commodity value of the seeds is reduced. In recent years, seed drying has become a necessary link for post-harvest treatment of seeds, and seed drying equipment is becoming mature and perfect. The high-moisture seed drying device can dry large batches of high-moisture seeds by means of various tower-type continuous drying devices and batch-type circulating drying devices, but the device is not suitable for small-batch and multi-variety grain crop seeds (including stock seeds), and the problems that the device cannot be normally started to use due to the fact that few materials cannot fully press the whole tower, the device is difficult to clean and cannot be thoroughly mixed when the variety is changed, the device utilization rate is low, the operation cost is high, one tower/batch can only dry a certain variety, the drying timeliness is poor and the like exist.

For small-batch and various grain crop seeds, the traditional method of some scientific research institutions, test factories, laboratories and factories is to put the seeds into mesh bags and then hang the seeds for natural drying or dry the seeds manually by virtue of a sunning ground, so that a large amount of manpower and material resources are wasted; but also is limited by the field and the weather, so that the drying operation period is long. Therefore, how to innovate and research out equipment which has wide adaptability, is suitable for drying various materials in small batch at the same time without mixing, has advanced process and higher automation control becomes a difficult problem before the creators of the invention.

Disclosure of Invention

The invention aims to solve the problem that in the prior art, a large amount of manpower and material resources are wasted because small batches of various grain crop seeds are respectively loaded into mesh bags and then hung for natural drying or manually aired by virtue of a sunning ground; in addition, the drying operation period is long due to the limitation of the field and the weather.

In order to solve the above problems, the present invention provides a drying apparatus comprising:

the material drying device is internally provided with a material drying chamber, the material drying chamber is divided into a plurality of drying unit chambers through a plurality of vertical partition plates, a material containing mechanism is arranged in each drying unit chamber, and a door mechanism is arranged at each vertical partition plate and is used for communicating or sealing the adjacent drying unit chambers; and

and the air heating device is used for blowing hot air to the material drying chamber so as to dry the material in the material containing mechanism.

Furthermore, the drying unit chambers are sequentially arranged from one end of the material drying device to the other end of the material drying device, the air heating device is communicated with one end of the material drying device, and the other end of the material drying device is an exhaust end of the material drying device;

the material containing mechanism divides the drying unit chamber into an upper air passage space and a lower air passage space;

the chamber door mechanism comprises an upper chamber door and a lower chamber door, wherein the upper chamber door is suitable for communicating or closing two adjacent upper air channel spaces, and the lower chamber door is suitable for communicating or closing two adjacent lower air channel spaces.

Furthermore, the drying equipment also comprises a hot air inlet adjusting mechanism and a waste heat and waste gas discharging mechanism, wherein the hot air inlet adjusting mechanism is used for controlling hot air to enter an upper air passage space or a lower air passage space of a drying unit chamber at one end of the material drying device; the waste heat and waste gas discharge mechanism is used for controlling waste heat and waste gas to be discharged from the upper air passage space or the lower air passage space of the drying unit chamber at the other end of the material drying device to the exhaust end of the material drying device.

Further, hot-blast adjustment mechanism that lets in includes hot-blast upper tube that lets in, hot-blast lower pipe that lets in and hot-blast admission governing valve, air heating device respectively with the hot-blast one end that lets in the upper tube and the hot-blast one end intercommunication that lets in the lower pipe, the hot-blast other end that lets in the upper tube with upper airway space intercommunication, the hot-blast other end that lets in the lower pipe with lower airway space intercommunication, wherein, hot-blast let in the upper tube with hot-blast the letting in lower pipe is linked together, hot-blast admission governing valve sets up hot-blast intercommunication department that lets in the upper tube and hot-blast letting in the lower pipe, hot-blast admission governing valve is used for making hot-blast the blowing-in that air heating device blew out the hot.

Further, the waste heat and waste gas exhaust mechanism comprises a waste gas exhaust upper pipe, a waste gas exhaust lower pipe and a waste gas exhaust regulating valve, wherein the waste gas exhaust upper pipe is suitable for communicating the upper air passage space with the exhaust end of the material drying device, and the waste gas exhaust lower pipe is suitable for communicating the lower air passage space with the exhaust end of the material drying device;

the waste gas discharge regulating valve comprises an upper air passage exhaust valve and a lower air passage exhaust valve, the upper air passage exhaust valve is arranged in the waste gas discharge upper pipe, and the lower air passage exhaust valve is arranged in the waste gas discharge lower pipe.

Furthermore, the drying equipment also comprises a circulating air duct, and two ends of the circulating air duct are respectively connected with the air heating device and the exhaust end of the material drying device.

Further, a pressure adjusting device is arranged in the circulating air duct and is suitable for adjusting the air pressure in the circulating air duct and the material drying chamber;

and/or a dehumidifying and filtering device is further arranged in the circulating air duct and is suitable for dehumidifying and filtering waste heat and waste gas.

Further, the material containing mechanism comprises a plurality of material trolleys;

a trolley access door is arranged on the side wall of the drying unit chamber and is suitable for pushing the material trolley into or out of the drying unit chamber;

the material dolly includes dolly body, ventilative board and picture peg of unloading, ventilative board is the screen cloth structure, ventilative board with this body coupling of dolly, it is a plurality of the picture peg of unloading with this body coupling of dolly, the dolly body ventilative board and a plurality of the region that the picture peg of unloading encloses is suitable for holding the material, the picture peg of unloading is suitable for taking out in order to accomplish from the dolly body the unloading of material.

Further, the air heating device is an air source heat pump.

Furthermore, the drying equipment also comprises a fan, the fan is used for adjusting the wind pressure of the air heating device for blowing hot wind to the material drying device, and the output end of the air heating device is connected with the material drying device through a connecting pipeline;

the fan is installed connecting line department, connecting line is provided with temperature air damper and temperature sensor, temperature sensor is used for detecting connecting line's temperature, the temperature air damper is based on connecting line's temperature and switching.

Compared with the prior art, the drying equipment provided by the invention has the following technical effects:

the external air is heated by the air heating device and then is sent into the material drying device, and the material containing mechanisms in the multiple drying unit chambers in the material drying device can simultaneously dry small batches of multiple types of materials, so that the problem that in the prior art, small batches of multiple types of grain crop seeds are respectively put into mesh bags and then are hung for natural drying or are manually aired by virtue of a sunning ground, and a large amount of manpower and material resources are wasted is solved; the air heating device is used as a drying energy source, the external factors of a place and the weather are not needed to be considered, and the problem that the drying operation period is long and the like due to the limitation of the place and the weather in the prior art is solved.

Drawings

FIG. 1 is a schematic front view of a drying apparatus according to an embodiment of the present invention;

fig. 2 is a schematic side view of a drying apparatus according to an embodiment of the present invention.

Description of the labeling:

1-an air heating device, 12-a fan, 13-a temperature damper, 14-a temperature sensor, 15-an air inlet and 16-a return air inlet;

2-material drying device, 21-drying unit chamber, 211-upper air passage space, 212-lower air passage space, 22-hot air introduction regulating mechanism, 221-hot air introduction upper pipe, 222-hot air introduction lower pipe, 223-hot air introduction regulating valve, 23-residual heat and waste gas discharge mechanism, 231-waste gas discharge upper pipe, 232-waste gas discharge lower pipe, 233-upper air passage exhaust valve, 234-lower air passage exhaust valve;

3-vertical partition, 31-upper chamber door, 32-lower chamber door;

5-a circulating air duct, 51-a pressure regulator, 52-a pressure sensor, 53-a dust remover, 54-a dehumidifier and 55-a circulating fan;

6-a material containing mechanism, 61-a material trolley, 611-a trolley body, 612-a ventilating plate, 613-a discharging inserting plate and 614-a trolley access door;

7-materials.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", and the like, which indicate orientations or positional relationships, are based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Also, in the drawings, the Z-axis represents a vertical, i.e., up-down position, and a positive direction of the Z-axis (i.e., an arrow direction of the Z-axis) represents up, and a negative direction of the Z-axis (i.e., a direction opposite to the positive direction of the Z-axis) represents down;

in the drawings, the X-axis represents the longitudinal direction of the horizontal plane, perpendicular to the Z-axis, and the positive direction of the X-axis (i.e., the arrow direction of the X-axis) represents the front side, and the negative direction of the X-axis (i.e., the direction opposite to the positive direction of the X-axis) represents the rear side;

in the drawings, Y represents a horizontal direction, while being perpendicular to the Z-axis and the X-axis, and a positive direction of the Y-axis (i.e., an arrow direction of the Y-axis) represents a right side, and a negative direction of the Y-axis (i.e., a direction opposite to the positive direction of the Y-axis) represents a left side;

the plane formed by the X axis and the Z axis is a vertical plane.

It should also be noted that the foregoing Z-axis, Y-axis, and X-axis representations are merely intended to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Referring to fig. 1 and 2, the present embodiment provides a drying apparatus including:

the material drying device 2 is internally provided with a material drying chamber, the material drying chamber is divided into a plurality of drying unit chambers 21 through a plurality of vertical partition plates 3, a material containing mechanism 6 is arranged in each drying unit chamber 21, and a door mechanism is arranged at each vertical partition plate 3 and is used for communicating or sealing the adjacent drying unit chambers 21; and

and the air heating device 1 is used for blowing hot air to the material drying chamber so as to dry the material 7 in the material containing mechanism 6.

The external air is heated by the air heating device 1 and then is sent into the material drying device 2, and meanwhile, the drying unit chambers 21 are sequentially communicated through the door mechanism, so that the materials in the drying unit chambers 21 are dried by hot wind energy, and the material containing mechanisms 6 in the drying unit chambers 21 in the material drying device 2 can simultaneously dry small batches of various materials, so that the problem that in the prior art, small batches of various grain crop seeds are respectively put into mesh bags and then hung for natural drying or manually aired by a sunning ground, and a large amount of manpower and material resources are wasted is solved; the air heating device 1 is used as a drying energy source, the external factors of a place and the weather are not needed to be considered, and the problem that the drying operation period is long and the like due to the limitation of the place and the weather in the prior art is solved.

Referring to fig. 1, preferably, a plurality of drying unit chambers 21 are sequentially arranged from one end of the material drying device 2 to the other end thereof, the air heating device 1 is communicated with one end of the material drying device 2, and the other end of the material drying device 2 is an exhaust end of the material drying device 2;

the material containing mechanism 6 divides the drying unit chamber 21 into an upper airway space 211 and a lower airway space 212;

the door mechanism includes an upper door 31 and a lower door 32, the upper door 31 is adapted to communicate with or close two adjacent upper air duct spaces 211, and the lower door 32 is adapted to communicate with or close two adjacent lower air duct spaces 212.

Here, it can be understood that the upper air passage space 211 in each drying unit chamber 21 is sequentially communicated when the upper door 31 of each vertical partition plate 3 is opened, and the lower air passage space 212 in each drying unit chamber 21 is sequentially communicated when the lower door 32 of each vertical partition plate 3 is opened.

Referring to fig. 1, preferably, the drying apparatus further includes a circulating air duct 5, and both ends of the circulating air duct 5 are respectively connected to the exhaust ends of the air heating device 1 and the material drying device 2.

Here, one end of the circulating duct 5 is connected to the return air inlet 16 of the air heating device 1.

Here, the air heating device 1 has an air inlet 15 and a return air inlet 16 at one end, and a hot air outlet at the other end, wherein the air inlet 15 and the return air inlet 16 constitute an air inlet end of the air heating device 1 and can also be referred to as an input end of the air heating device 1, and the hot air outlet of the air heating device 1 is also referred to as an air outlet end of the air heating device 1;

one end of the circulating air duct 5 is connected with the air return opening 16, and the other end of the circulating air duct is connected with the exhaust end of the material drying device 2;

the air heating device 1, the material drying device 2 and the circulating air duct 5 form a circulating drying system.

Here, after the outside air is heated by the air heating device 1, the heated outside air is sent into the material drying device 2, and the material drying device 2 is divided into a plurality of drying unit chambers 21, and one material containing mechanism 6 can be used for containing a variety of materials, and the material drying device 2 having the plurality of material containing mechanisms 6 can contain a small amount of materials and a plurality of varieties of materials, and further can perform drying treatment simultaneously.

Through setting up circulation wind channel 5, the exhaust end entering circulation wind channel 5 of exhaust gas waste heat after the drying process via material drying device 2 finally is utilized by air heating device 1 heating once more, has avoided the waste of waste heat, has saved resource, material resources.

Referring to fig. 1 and 2, preferably, the material containing mechanism 6 includes a plurality of material carts 61;

for example, two material trolleys 61 may form one material containing unit, and at least one material containing mechanism 6 includes at least one group of material containing units;

or at least one material containing mechanism 6 comprises at least two groups of material containing units;

each group of material containing units comprises at least two material trolleys 61.

Here, the material containing mechanism 6 in each drying unit chamber 21 may be only one group of material containing units, or may be plural, and in addition, each group of material containing unit may be only one material trolley 61, or may be plural material trolleys 61, and may be selected according to actual needs.

For convenience of understanding, referring to fig. 1 and fig. 2, in the following description, the material drying chamber may be divided into four drying unit chambers 21 from left to right by three vertical partition plates 3, the three vertical partition plates 3 are sequentially marked as a first vertical partition plate, a second vertical partition plate and a third vertical partition plate from left to right, the four drying unit chambers 21 are sequentially marked as a first drying unit chamber, a second drying unit chamber, a third drying unit chamber and a fourth drying unit chamber from left to right, the material containing mechanism 6 in the first drying unit chamber includes two groups of material containing units, each of the second drying unit chamber, the third drying unit chamber and the fourth drying unit chamber includes a group of material containing units, and each group of material containing units includes two material trolleys 61.

Referring to fig. 1 and fig. 2, preferably, the drying apparatus further includes a hot air inlet adjusting mechanism 22 and a waste heat and exhaust gas discharging mechanism 23, where the hot air inlet adjusting mechanism 22 is used to control hot air to enter an upper air passage space 211 or a lower air passage space 212 of the drying unit chamber 21 at one end of the material drying device 2; the exhaust heat and exhaust gas discharging mechanism 23 is used for controlling exhaust heat and exhaust gas to be discharged from the upper air duct space 211 or the lower air duct space 212 of the drying unit chamber 21 at the other end of the material drying device 2 to the exhaust end of the material drying device 2.

Here, the three upper doors 31 are sequentially denoted as a first upper door, a second upper door, and a third upper door from left to right, and the three lower doors 32 are sequentially denoted as a first lower door, a second lower door, and a third lower door from left to right. That is, through the cooperation of hot-blast admission adjustment mechanism 22 and waste heat and exhaust gas discharge mechanism 23, can control the hot-blast route that gets into material drying device 2 and the route of waste heat and exhaust gas discharge material drying device 2, and then control hot-blast circulation route at material drying device 2, and then can realize passing through hot-blast and passing through hot-blast from material 7 below from material 7 top, that is "upper and lower air flue exchange ventilates and exhausts", overcome the upper and lower layer material moisture content inequality in the material dolly 61, reach dry even purpose.

Referring to fig. 1 and 2, preferably, the hot air supply adjusting mechanism 22 includes a hot air supply upper pipe 221, a hot air supply lower pipe 222 and a hot air supply adjusting valve 223, the air heating device 1 is respectively communicated with one end of the hot air supply upper pipe 221 and one end of the hot air supply lower pipe 222, the other end of the hot air supply upper pipe 221 is communicated with the upper airway space 211, the other end of the hot air supply lower pipe 222 is communicated with the lower airway space 212, the hot air supply upper pipe 221 is communicated with the hot air supply lower pipe 222, the hot air supply adjusting valve 223 is disposed at a communication position of the hot air supply upper pipe 221 and the hot air supply lower pipe 222, and the hot air supply adjusting valve 223 is used for enabling hot air blown by the air heating device 1 to be supplied to the other end of the hot.

Here, the path of the hot air entering the first drying unit chamber is adjusted by controlling the rotation of the hot air introducing adjusting valve 223, the hot air introducing adjusting valve 223 completes the closing of the hot air introducing upper pipe 221 after rotating to the hot air introducing upper pipe 221, the hot air introducing adjusting valve 223 completes the closing of the hot air introducing lower pipe 222 after rotating to the hot air introducing lower pipe 222, and the hot air introducing upper pipe 221 and the hot air introducing lower pipe 222 are not closed when the hot air introducing adjusting valve 223 does not rotate to the hot air introducing upper pipe 221 and the hot air introducing lower pipe 222.

Referring to fig. 1 and 2, preferably, the waste heat and exhaust gas exhaust mechanism 23 comprises an exhaust gas exhaust upper pipe 231, an exhaust gas exhaust lower pipe 232 and an exhaust gas exhaust regulating valve, wherein the exhaust gas exhaust upper pipe 231 is adapted to communicate the upper airway space 211 with the exhaust end of the material drying device 2, and the exhaust gas exhaust lower pipe 232 is adapted to communicate the lower airway space 212 with the exhaust end of the material drying device 2;

the exhaust gas discharge adjustment valve includes an upper duct exhaust valve 233 and a lower duct exhaust valve 234, the upper duct exhaust valve 233 being disposed in the exhaust gas discharge upper pipe 231, and the lower duct exhaust valve 234 being disposed in the exhaust gas discharge lower pipe 232.

Here, the upper duct space 211, which is the fourth drying unit chamber, communicates with the circulation duct 5 through the exhaust gas discharging upper duct 231, and the lower duct space 212, which is the fourth drying unit chamber, communicates with the circulation duct 5 through the exhaust gas discharging lower duct 232.

Here, when the upper air duct exhaust valve 233 is closed and the lower air duct exhaust valve 234 is opened, the waste heat and exhaust gas can only pass through the lower air duct space 212 of the fourth drying unit chamber and enter the circulation air duct 5 through the exhaust gas discharge lower pipe 232; when the lower air duct exhaust valve 234 is closed and the upper air duct exhaust valve 233 is opened, the residual heat and the exhaust gas can only pass through the upper air duct space 211 of the fourth drying unit chamber and enter the circulating air duct 5 through the exhaust gas exhaust upper pipe 231, so that the path of the residual heat and the exhaust gas exhausted from the material drying device 2 is controlled.

For example, when it is desired to use a first drying unit chamber, a second drying unit chamber, and a third drying unit chamber:

if the materials need to be ventilated up and down simultaneously, opening a first upper chamber door, a second upper chamber door, a first lower chamber door and a second lower chamber door;

if the prior drying adopts the ventilation from the lower part of the material 7, namely the lower ventilation, the hot air introducing adjusting valve 223 is rotated to the hot air introducing upper pipe 221, meanwhile, the first upper chamber door, the second upper chamber door, the third upper chamber door and the upper air passage exhaust valve 233 are opened, the third lower chamber door and the lower air passage exhaust valve 234 are closed, then the hot air is introduced into the lower air passage space 212 of the first drying unit chamber through the hot air introducing lower pipe 222, the hot air flows upwards simultaneously when flowing rightwards, then the material 7 is dried from bottom to top by the hot air, and finally the dried waste heat and waste gas flows into the circulating air duct 5 through the waste gas discharging upper pipe 231;

if need adopt when ventilating from the top of material 7, ventilate promptly, let in adjusting valve 223 with hot-blast and rotate to hot-blast letting in low tube 222, simultaneously first lower chamber door, second lower chamber door, third lower chamber door, lower air flue exhaust valve 234 is opened, third upper chamber door, upper air flue exhaust valve 233 closes, and then hot-blast upper tube 221 gets into the upper air flue space 211 of first drying unit room by hot-blast letting in, hot-blast simultaneous downwardly flowing when the circulation of right, and then material 7 is dried by hot-blast from top to bottom, waste heat waste gas after final drying is flowed in circulating duct 5 by waste gas discharge low tube 232.

Through the upper ventilation and the lower ventilation, the problem that the moisture content of upper and lower-layer materials in the material trolley 61 is uneven is solved, the aim of uniform drying is achieved, and the drying efficiency is higher.

Similarly, the capacity can be simultaneously used by one, two or four drying unit chambers according to the actual production requirements, or more drying unit chambers 21 can be designed according to the production requirements and the user requirements, and the configuration is flexible.

Here, it should be noted that the hot air supply adjustment valve 223, each upper door 31, each lower door 32, the upper air duct exhaust valve 233, and the lower air duct exhaust valve 234 may be manually controlled, or may be a commonly used automatic control.

In the automatic control, each valve or chamber door is controlled automatically, so that the device is more efficient and convenient, for example, when the upper ventilation treatment is required to be carried out on the material 7, the hot air inlet adjusting valve 223 is controlled to rotate to the hot air inlet lower pipe 222 to complete the sealing of the hot air inlet lower pipe 222, and meanwhile, the upper air passage exhaust valve 233 is controlled to be closed and the lower air passage exhaust valve 234 is controlled to be opened; when the material 7 is ventilated, the hot air inlet adjusting valve 223 is controlled to rotate to the hot air inlet upper pipe 221 to complete the closing of the hot air inlet upper pipe 221, and meanwhile, the upper air passage exhaust valve 233 is controlled to be opened and the lower air passage exhaust valve 234 is controlled to be closed.

Referring to fig. 1 and 2, preferably, the drying unit chamber 21 is provided with a cart access door 614 on a side wall thereof, the cart access door 614 being adapted to allow the material cart 61 to be pushed into or out of the drying unit chamber 21.

Here, through corresponding being provided with dolly business turn over door 614 on the lateral wall of drying unit room 21, make material dolly 61 can pass through this dolly business turn over door 614, material dolly 61 can be portable, is convenient for transport and dries by the fire preceding and material 7 after drying by the fire, has further saved the manpower.

In addition, the material trolleys 61 are independent, and each material trolley 61 can load different kinds of materials 7 for simultaneous drying and is not easy to mix.

Referring to fig. 1 and 2, preferably, the material cart 61 includes a cart body 611, a ventilating plate 612 and a plurality of discharge insert plates 613, the ventilating plate 612 is suitable for hot air to pass through, the ventilating plate 612 is connected with the cart body 611, the plurality of discharge insert plates 613 are connected with the cart body 611, an area enclosed by the cart body 611, the ventilating plate 612 and the plurality of discharge insert plates 613 is suitable for containing the material 7, and the discharge insert plates 613 are suitable for being drawn out from the cart body 611 to complete the discharge of the material 7.

Here, by providing a plurality of discharge gate plates 613, the discharge gate plates 613 are pulled away from the cart body 611 one by one, thereby facilitating the discharge.

Preferably, the ventilation plate 612 can be movable and inclined, the movable ventilation plate 612 is convenient to replace to adapt to different ventilation plates 612 required for drying different materials 7, the materials 7 are ensured not to leak from ventilation holes on the ventilation plate 612, and the inclined arrangement is used for increasing the ventilation area and promoting the materials 7 to flow so as to facilitate discharging.

Referring to fig. 1 and 2, preferably, the air heating apparatus 1 may be an air source heat pump.

The air source heat pump is used as an energy source heating device for providing drying equipment, the heating device does not use fuel, does not burn electricity when using electricity, does not have harmful substance residue, is clean and pollution-free, safe and reliable, can generate heat of three to four degrees of electricity when consuming one degree of electricity, and has excellent energy-saving effect; the air source heat pump is an energy handling device, not an energy conversion device, absorbs a large amount of low-temperature heat energy in air, and converts the low-temperature heat energy into high-temperature heat energy through the compressor, so that the whole device does not generate any air pollutants during operation, is clean and environment-friendly, and realizes zero pollution.

Referring to fig. 1, preferably, the drying apparatus further includes a fan 12 for adjusting the wind pressure of the air heating device 1 blowing hot wind to the material drying device 2, the output end of the air heating device 1 is connected with the material drying device 2 through a connecting pipeline,

the fan 12 is installed at a connection pipe provided with a temperature damper 13 and a temperature sensor 14, the temperature sensor 14 is used for detecting the temperature of the connection pipe, and the temperature damper 13 is opened and closed based on the temperature of the connection pipe.

Here, the fan 12 is configured to press constant hot air generated by the air-source heat pump into the material drying device 2.

Here, in the actual production process, the ambient temperature is constantly changing, in order to ensure a stable hot air temperature, the temperature sensor 14 and the temperature damper 13 are provided, the temperature signal of the temperature sensor 14 controls the opening of the temperature damper 13, the temperature damper 13 is automatically opened when the temperature is higher than the set temperature, the outside air is sucked into the fan 12 and mixed with the hot air generated by the air source heat pump to achieve the purpose of cooling, the temperature of the hot air is ensured to be constant, and the temperature damper 13 is automatically closed after the temperature of the hot air is stable.

Preferably, the fan 12 is controlled by a frequency converter to output the air volume and the air pressure required for actually using the plurality of drying unit chambers 21. The design air volume and the air pressure of the fan 12 are the air volume and the air pressure required by the whole circulation drying system, in the actual use process, because the quantity of the used drying unit chambers 21 is different, the required air volume and the required air pressure are also different, and the working requirement can be met by adopting a frequency converter to control the revolution of the fan 12.

Here, the waste heat and exhaust gas recovered in the circulation duct 5 is subjected to heat exchange with the outside air by the heat exchanger fins of the air source heat pump, and then heated for use.

Referring to fig. 1 and 2, preferably, a pressure adjusting device is arranged in the circulating air duct 5, and the pressure adjusting device is adapted to adjust the air pressure in the circulating air duct 5 and the material drying chamber;

or/and a dehumidifying and filtering device is further arranged in the circulating air duct 5, and the dehumidifying and filtering device is suitable for dehumidifying and filtering waste heat and waste gas.

Here, the pressure regulating device may include a pressure regulator 51 and a pressure sensor 52 disposed on the circulation air duct 5, and the opening degree of the pressure regulator 51 is automatically regulated by a pressure signal of the pressure sensor 52, so that the internal pressure of the circulation air duct 5 approaches the external air pressure, and it is ensured that the damp residual heat exhaust gas discharged from the material drying device 2 has substantially no resistance.

Here, the dehumidifying filter device may include a dust collector 53, a dehumidifier 54 and a circulating fan 55 which are arranged in the circulating air duct 5, and the residual heat exhaust gas flowing into the circulating air duct 5 passes through the dust collector 53 and the dehumidifier 54 under the action of the circulating fan 55, and then enters the material drying device 2 after being heated by heat exchange of heat exchanger fins of the air source heat pump. The dust remover 53 removes dust and impurities in the waste heat and waste gas, the dehumidifier 54 removes moisture in the waste heat and waste gas to reduce air humidity, and the circulating fan 55 overcomes wind resistance in the drying circulating system to enable circulating wind to flow smoothly.

Meanwhile, the terms "disposed on", "disposed on" and "attached to" in the present embodiment include various connection modes such as fixed connection and detachable connection.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims

1. A drying apparatus, for seed drying, comprising:

the material drying device (2) is internally provided with a material drying chamber, the material drying chamber is divided into a plurality of drying unit chambers (21) through a plurality of vertical partition plates (3), each drying unit chamber (21) is internally provided with a material containing mechanism (6), and a chamber door mechanism is arranged at each vertical partition plate (3) and is used for communicating or sealing the adjacent drying unit chambers (21); and

and the air heating device (1) is used for blowing hot air to the material drying chamber so as to dry the material (7) in the material containing mechanism (6).

2. The drying apparatus according to claim 1, wherein a plurality of the drying unit chambers (21) are arranged in sequence from one end of the material drying device (2) to the other end thereof, the air heating device (1) is communicated with one end of the material drying device (2), and the other end of the material drying device (2) is an exhaust end of the material drying device (2);

the material containing mechanism (6) divides the drying unit chamber (21) into an upper airway space (211) and a lower airway space (212);

the chamber door mechanism comprises an upper chamber door (31) and a lower chamber door (32), wherein the upper chamber door (31) is suitable for communicating or closing two adjacent upper air channel spaces (211), and the lower chamber door (32) is suitable for communicating or closing two adjacent lower air channel spaces (212).

3. The drying equipment according to claim 2, characterized in that the drying equipment further comprises a hot air inlet adjusting mechanism (22) and a waste heat and exhaust gas discharging mechanism (23), wherein the hot air inlet adjusting mechanism (22) is used for controlling hot air to enter an upper air passage space (211) or a lower air passage space (212) of the drying unit chamber (21) at one end of the material drying device (2); the waste heat and waste gas discharge mechanism (23) is used for controlling waste heat and waste gas to be discharged from an upper air channel space (211) or a lower air channel space (212) of the drying unit chamber (21) at the other end of the material drying device (2) to the exhaust end of the material drying device (2).

4. The drying apparatus according to claim 3, wherein the hot air supply adjusting mechanism (22) comprises a hot air supply upper pipe (221), a hot air supply lower pipe (222), and a hot air supply adjusting valve (223), the air heating device (1) is respectively communicated with one end of the hot air supply upper pipe (221) and one end of the hot air supply lower pipe (222), the other end of the hot air supply upper pipe (221) is communicated with the upper air passage space (211), the other end of the hot air supply lower pipe (222) is communicated with the lower air passage space (212), the hot air supply upper pipe (221) is communicated with the hot air supply lower pipe (222), the hot air supply adjusting valve (223) is disposed at the communication position of the hot air supply upper pipe (221) and the hot air supply lower pipe (222), and the hot air supply adjusting valve (223) is used for blowing the hot air supplied from the air heating device (1) into the hot air supply upper pipe (223) (221) Or the hot air is introduced into the other end of the lower pipe (222).

5. The drying apparatus according to claim 3, wherein the residual heat and exhaust gas discharge mechanism (23) comprises an upper exhaust gas discharge pipe (231), a lower exhaust gas discharge pipe (232) and an exhaust gas discharge regulating valve, the upper exhaust gas discharge pipe (231) is adapted to communicate the upper air passage space (211) with the exhaust end of the material drying device (2), and the lower exhaust gas discharge pipe (232) is adapted to communicate the lower air passage space (212) with the exhaust end of the material drying device (2);

the waste gas discharge regulating valve comprises an upper air passage exhaust valve (233) and a lower air passage exhaust valve (234), the upper air passage exhaust valve (233) is arranged in the waste gas discharge upper pipe (231), and the lower air passage exhaust valve (234) is arranged in the waste gas discharge lower pipe (232).

6. Drying apparatus according to claim 1, characterized in that the drying apparatus further comprises a circulating air duct (5), and both ends of the circulating air duct (5) are respectively connected with the air heating device (1) and the exhaust end of the material drying device (2).

7. Drying apparatus according to claim 6, characterised in that a pressure regulating device is arranged in the circulation duct (5), which pressure regulating device is adapted to regulate the air pressure in the circulation duct (5) and the material drying chamber;

or/and a dehumidifying and filtering device is further arranged in the circulating air duct (5), and the dehumidifying and filtering device is suitable for dehumidifying and filtering waste heat and waste gas.

8. Drying apparatus according to claim 1, wherein the material containing means (6) comprises a plurality of material trolleys (61);

a trolley access door (614) is arranged on the side wall of the drying unit chamber (21), and the trolley access door (614) is suitable for pushing a material trolley (61) into or out of the drying unit chamber (21);

the material trolley (61) comprises a trolley body (611), a ventilating plate (612) and an unloading insertion plate (613), wherein the ventilating plate (612) is of a screen structure, the ventilating plate (612) is connected with the trolley body (611), the unloading insertion plate (613) is connected with the trolley body (611), the ventilating plate (612) and the unloading insertion plate (613) are suitable for containing the material (7) in an area surrounded by the unloading insertion plate (613), and the unloading insertion plate (613) is suitable for being drawn out from the trolley body (611) to complete unloading of the material (7).

9. Drying apparatus according to any of claims 1-8, characterized in that the air heating device (1) is an air source heat pump.

10. The drying apparatus according to any one of claims 1 to 8, characterized in that the drying apparatus further comprises a fan (12), the fan (12) is used for adjusting the wind pressure of the air heating device (1) for blowing hot wind to the material drying device (2), and the output end of the air heating device (1) is connected with the material drying device (2) through a connecting pipeline;

fan (12) are installed connecting line department, connecting line is provided with temperature air damper (13) and temperature sensor (14), temperature sensor (14) are used for detecting connecting line's temperature, temperature air damper (13) are based on connecting line's temperature and switching.