TWI583909B - Automatic drying method and device for drying machine - Google Patents

Description

Dryer automatic drying method and device thereof

The invention relates to a drying method and a device thereof, in particular to a drying method and a device thereof capable of detecting multiple sections, reducing repeated drying and saving cost.

Generally, for grain such as rice, wheat or coffee, the material remaining after shelling can be used as a biomass energy fuel for the existing dryer, and the heat source generated after combustion can be used for drying or adjusting the grain. The processing of moisture content and the like can achieve the effect of resource recovery and reuse; while the existing dryer can be roughly divided into two types: a continuous dryer and a circulating dryer, wherein the continuous dryer continuously feeds the grain through a conveying mechanism. It is sent to the dryer for drying, and the circulating dryer is used to dry the grain by circulating it after it has been filled.

Further, the existing dryer is mainly provided with a burner, a row of cigarette tubes, a heat exchange unit, a row of air ducts, a drying unit and a stack of chimney tubes, the burner is provided with a fuel for burning biomass energy and generating heat energy. An internal combustion furnace, the exhaust pipe is connected to the top end of the internal combustion furnace and can discharge the flue gas, and the heat exchange unit is in communication with the exhaust pipe and can exchange heat with the outside cold air, the exhaust pipe Communicating with the heat exchange unit and guiding the hot air exchanged by the heat exchange, the drying unit is in communication with the exhaust pipe, allowing hot air located in the exhaust pipe to enter the drying unit and drying the grain The chimney tube set is in communication with the heat exchange unit and directs the heat exchanged flue gas to the outside.

However, when the existing continuous dryer is used, the grain in the drying unit needs to be tested for the moisture value of the grain after the entire drying process is completed, wherein if the moisture value of the grain is too high after the test , the grain must be dried again, so the repeated processing will not only increase the time required for drying, but also increase the energy consumption and cost; If the dryness of the dried grain is higher than the set value or the water content is insufficient, the dried grain cannot satisfy the user's needs. In view of this, the drying method of the existing dryer has to be improved. At the office.

In order to solve the shortcomings and limitations of the drying method and the device of the prior art continuous dryer, the main object of the present invention is to provide a method and a device for automatically drying the dryer, which can effectively avoid the multi-stage drying method. The drying process needs to be repeated to provide a dryer drying method and apparatus capable of multi-stage detection, reducing repeated drying and cost saving.

The invention solves the prior art problem of the automatic drying method of the dryer, which comprises the following steps: preparation step: preparing an automatic drying device, the automatic drying device is provided with a body, at least two drying sections and a detecting mode The body is provided with an input end, an output end and a delivery tube, the delivery tube is in communication with the input end and the output end, and the at least two drying sections are combined with the body to be located at the input end and the output end Each of the drying sections is provided with a hot air inlet communicating with the interior of the body, a mesh layer disposed in the body and communicating with the hot air inlet, and at least one exhaust duct communicating with the mesh layer. A buffer layer is disposed between the two adjacent drying sections to change the direction of hot air flow in the two adjacent drying sections. The detecting module is combined with the body and is provided with at least two moisture meters, at least two temperature sensors, a rotating unit and a processing unit, the at least two moisture meters are combined with the body and respectively located below a mesh layer, and each temperature sensor is disposed in each drying section, and the rotating unit is disposed in In the body, the processing unit is electrically connected to each moisture meter, each temperature sensor and the rotating unit; a parameter setting step: setting a temperature value and a moisture value for each drying section by the processing unit; and drying the plurality of sections Step: transporting a grain to be dried to the input end of the body through the conveying pipe and entering each drying section, and introducing a hot air into the wire seating layer through the hot air inlet in each drying section, The grain to be dried passing through each mesh layer absorbs the heat energy of the hot air to discharge the water, and after the hot air passes through the grain, the air is discharged from the exhaust pipe, and each drying section is detected by each temperature sensor and a moisture meter. Temperature value and moisture value, and the detected temperature value and moisture value are transmitted to the processing unit, and when the moisture value detected by each drying section is different from the set moisture value, the adjustment is made. The temperature of the drying section, and calculating the overall precipitation speed of the grain to be dried, the processing unit transmits a signal to the rotary unit to adjust the operating speed of the rotary unit and the temperature of the dry hot air.

Further, in the preparing step, the automatic drying device is provided with a plurality of drying sections on the body.

Further, in the preparing step, the rotary unit is provided with a plurality of rotary valves at the lowermost floor layer, and the rotary unit is provided with a rotary valve motor connected to each rotary valve in the machine body to drive the rotary valves. It runs relative to the body.

Preferably, in the parameter setting step, the temperature value and the moisture value of each drying section are set according to the needs of the user.

Furthermore, the present invention solves the prior art problem of the automatic drying device for a dryer, which is provided with: a body having an input end, an output end and a delivery tube, the input end being disposed on the top of the body and Internally connected, the output end is disposed at the bottom of the body, the conveying pipe is disposed outside the body and communicates with the input end and the output end; at least two drying sections, the at least two drying sections are combined with the body Located between the input end and the output end, each drying section is provided with a hot air inlet, a net floor layer and at least one exhaust pipe. The hot air inlet is disposed outside the body and communicates with the interior of the body. The layer is disposed in the interior of the body and communicates with the hot air inlet. The at least one exhaust pipe is disposed outside the body and communicates with the mesh layer. The body is provided with a buffer layer between two adjacent drying sections, thereby changing The direction of hot air flow in two adjacent drying sections; a detection module, the detection module is combined with the body and provided with at least two moisture meters, at least two temperature sensors, a rotation unit and a processing unit, and the at least two moisture meters are combined with the body Each of the temperature sensors is disposed in each of the drying sections, and the rotating unit is disposed in the body, and the processing unit is associated with each moisture meter, each temperature sensor, and the rotating unit. The electrical connection is used to calculate and process the signals detected by the moisture meters, and adjust the operating speed of the rotary unit and the temperature of the dry hot air according to the data obtained after the processing.

Further, the automatic drying device is provided with a plurality of drying sections.

Further, the rotary unit has a plurality of rotary valves and a rotary valve motor, and the plurality of rotary valves are disposed at a lowermost mesh seat layer, and the rotary valve motor is disposed in the body and connected to each rotary valve to drive Each rotary valve operates relative to the body.

Preferably, the body is provided with a dispensing tray at the input end, and the body is provided with a receiving box and an output rod at the output end, and the receiving box is fixedly coupled with the bottom of the body and located at the branch. Below the tray, the output rod is rotatably disposed in the receiving box.

Preferably, the body is provided with a buffer layer between two adjacent drying sections to change the direction of hot air flow in the two adjacent drying sections.

Preferably, the output rod is a screw lever and is driven by a rotary motor, which is a variable frequency control motor, and the processing unit is a microcomputer.

According to the above technical features, the automatic drying method and device of the dryer of the present invention have at least the following advantages and effects:

1. Multi-segment detection: The automatic drying method of the dryer of the invention can not only dry the grain to be dried through the drying sections in sequence, but also can independently set each by using a plurality of drying sections on the body. The temperature value and the moisture value required for the drying section are further detected by the temperature sensor and the moisture meter in each drying section, respectively, to detect the moisture value of the grain to be dried, and to achieve multi-stage detection. Effect, in which the grain to be dried does not meet the set moisture value in each drying section At the same time, the temperature of the drying section and the conveying speed can be adjusted, so that the grain to be dried entering each drying section reaches the set moisture value.

2. Reducing repeated drying: When the drying method of the dryer of the present invention is used, when the grain to be dried does not meet the set water value in each drying section, the temperature of each drying section can be adjusted, thereby allowing each to enter The grain to be dried in the drying section reaches the set moisture value, so that the moisture value of the grain to be dried in each drying section can be grasped one by one, without having to complete the drying process before the grain to be dried The moisture value is detected to effectively reduce the need for repeated drying processes, greatly reducing the time required for drying, and reducing energy consumption and cost.

Third, the cost saving: the automatic drying method of the dryer of the invention can further adjust the number of drying sections to be dried according to the needs of the user, without having to start all the drying sections at the same time, which can further meet the energy saving and reduce The need for cost.

10‧‧‧Automatic drying device

20‧‧‧ body

21‧‧‧ input

22‧‧‧ Output

23‧‧‧Transport

24‧‧‧Distribution tray

25‧‧‧Acceptor

26‧‧‧ Output rod

27‧‧‧Rotating motor

28‧‧‧ Buffer layer

30‧‧‧Dry section

31‧‧‧ hot air inlet

32‧‧‧net layer

33‧‧‧ exhaust duct

40‧‧‧Detection module

41‧‧‧ moisture meter

42‧‧‧Temperature Sensor

43‧‧‧Rotary unit

431‧‧‧Rotary valve

432‧‧‧Rotary valve motor

44‧‧‧Processing unit

60‧‧‧Dry cereals to be dried

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a block diagram showing the operation steps of the automatic drying method of the dryer of the present invention.

Fig. 2 is a perspective view showing the appearance of an automatic drying device for a dryer of the present invention.

Figure 3 is a side elevational view of the dryer automatic drying apparatus of the present invention.

Figure 4 is another side view of the dryer automatic drying apparatus of the present invention.

Figure 5 is a partial cross-sectional side view of the dryer automatic drying device of the present invention.

Figure 6 is a block diagram showing the drying of the dryer automatic drying device of the present invention.

Figure 7 is a partial cross-sectional side view of the dryer automatic drying apparatus of the present invention when the grain is dried.

Figure 8 is a block diagram showing the drying apparatus of the dryer of the present invention having a plurality of drying sections for drying the grains.

In order to understand the technical features and practical functions of the present invention in detail, and in accordance with the contents of the specification, the following is further illustrated in the preferred embodiment as shown in the following figure: Please refer to FIG. 1 and FIG. The automatic drying method of the dryer of the present invention comprises the following steps:

A, preparation step: preparing an automatic drying device 10, preferably, the automatic drying device 10 can be a continuous dryer or a circulating dryer, please further refer to see Figures 3 to 5, the automatic The drying device 10 is provided with a body 20, at least two drying sections 30 and a detecting module 40. The body 20 is provided with an input end 21, an output end 22 and a conveying pipe 23, and the input end 21 is disposed on the body 20. Preferably, the body 20 is provided with a distribution tray 24 at the input end 21, and the output end 22 is disposed at the bottom of the body 20. Further, the body 20 is disposed at the output end 22. There is a receiving box 25 and an output rod 26, and the receiving box 25 is fixedly coupled to the bottom of the body 20 and located under the distributing tray 24. The output rod 26 is rotatably disposed in the receiving box 25, and further The output rod 26 is a snail rod and is driven by a rotation motor 27. The delivery tube 23 is disposed outside the body 20 and communicates with the input end 21 and the output end 22 to enable a grain to be dried. The delivery tube 23 and the input end 21 enter the body 20, and then The output end 22 is delivered into the delivery tube 23.

The at least two drying sections 30 are spaced apart from the body 20 and located between the input end 21 and the output end 22, and each drying section 30 is provided with a hot air inlet 31, a net floor 32 and at least one exhaust pipe. 33, the hot air inlet 31 is disposed outside the body 20 and communicates with the interior of the body 20. The floor layer 32 is disposed inside the body 20 and communicates with the hot air inlet 31. The at least one exhaust duct 33 is provided. The body 20 is externally connected to the floor layer 32. Further, the body 20 is provided with a buffer layer 28 between the two adjacent drying sections 30, thereby changing the direction of hot air flow in the two adjacent drying sections 30. Preferably, the automatic drying unit 10 is provided with a plurality of drying sections 30.

As shown in FIG. 5 and FIG. 6 , the detecting module 40 is combined with the body 20 and is provided with at least two moisture meters 41 , at least two temperature sensors 42 , a rotating unit 43 and a processing unit 44 . The at least two moisture meters 41 are combined with the body 20 and are respectively located below a mesh layer 32 for detecting the moisture content below the corresponding mesh layer 32. The temperature sensors 42 are respectively disposed at In each of the drying sections 30, the temperature of the drying section 30 is detected. The rotating unit 43 is disposed in the body 20 and is provided with a plurality of rotary valves 431 and a rotary valve motor 432. The plurality of rotary valves 431 are disposed at the most At the lower floor layer 32, the rotary valve motor 432 is disposed in the body 20 and connected to each rotary valve 431 through a belt, thereby driving each rotary valve 431 to operate relative to the body 20. Preferably, the rotary The valve motor 432 is a variable frequency control motor. The processing unit 44 is electrically connected to each moisture meter 41, each temperature sensor 42 and the rotating unit 43 to calculate the signal detected by each moisture meter 41. Processing, and according to the data obtained after the treatment, the hot air temperature is raised or the hot air temperature is lowered, and the operating speed of each rotary valve 431 is increased or decreased by the rotary valve motor 432. Further, the processing unit 44 is a microcomputer.

B. Parameter setting step: The user sets a temperature value and a moisture value for each drying section 30 via the processing unit 44 as needed.

C. Multi-stage drying step: Please refer to FIG. 7 to convey a grain to be dried 60 to the input end 21 of the body 20 via the conveying pipe 23, and guide the grain to be dried 60 through the distribution tray 24. Introduced into each drying section 30, a hot air (hot air) is introduced into the mesh layer 32 through the hot air inlet 31 in each drying section 30, so that the grain 60 to be dried passing through each of the mesh layer 32 absorbs hot air. The heat is discharged to remove the moisture, and the hot air passes through the grain, and then the body 10 is discharged from the exhaust pipe 33, and the temperature value and the moisture value of each drying section 30 are detected through the temperature sensor 42 and the moisture meter 41, and The detected temperature value and moisture value are transmitted to the processing unit 44, wherein when the moisture value detected by each drying section 30 is higher than the set moisture value, the temperature of the drying section 30 is increased. And when the detected moisture value is lower than the set moisture value, the temperature of the drying section 30 is lowered, and the overall precipitation speed of the grain to be dried 60 is calculated, wherein the overall precipitation speed of the grain to be dried 60 is Is the moisture before drying and the moisture after drying, and is dried with grains. Precipitation out of the Speed defined, by the processing unit 44 transmits a signal to the The rotary valve motor 432 adjusts (increases or decreases) the operating speed of each rotary valve 431 and the temperature of the dry hot air, and FIG. 8 discloses an operational flow when the automatic drying device 10 is provided with four drying sections 30.

According to the above technical feature, the automatic drying method of the dryer of the present invention can not only dry the dried grain 60 through the drying sections 30 in sequence, because the plurality of drying sections 30 are disposed on the body 20, Moreover, the temperature value and the moisture value required for each drying section 30 can be independently set, and the temperature sensor 42 and the moisture meter 41 can be further disposed in each drying section 30, respectively, for the water of the grain to be dried 60. The score is detected to achieve the effect of multi-segment detection. When the grain to be dried 60 does not meet the set moisture value in each drying section 30, the temperature and the conveying speed of each drying section 30 can be adjusted, thereby allowing The grain to be dried 60 entering each drying section 30 reaches the set moisture value, so that not only the moisture value of the grain to be dried 60 in each drying section 30 can be grasped one by one, without completing the entire drying process. The moisture value of the grain to be dried 60 can be detected, the situation of repeated drying processing can be effectively reduced, the time required for drying can be greatly reduced, and the energy consumption and cost cost can be reduced; The number of drying sections 30 to be dried by the grain to be dried 60 can be further adjusted according to the needs of the user, without having to start all the drying sections 30 at the same time, which can further meet the requirements of energy saving and cost reduction, thereby providing a multi-segment detection and reduction. Dry drying and cost saving drying machine automatic drying method and device thereof.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any one of ordinary skill in the art can use the present invention without departing from the scope of the present invention. Equivalent embodiments of the invention may be made without departing from the technical scope of the present invention.

10‧‧‧Automatic drying device

20‧‧‧ body

21‧‧‧ input

28‧‧‧ Buffer layer

30‧‧‧Dry section

31‧‧‧ hot air inlet

33‧‧‧ exhaust duct

42‧‧‧Temperature Sensor

Claims (9)

The invention relates to an automatic drying method for a dryer, which comprises the following steps: a preparation step: preparing an automatic drying device, the automatic drying device is provided with a body, at least two drying sections and a detecting module, the body is provided with an input end An output end and a delivery tube, the delivery tube is in communication with the input end and the output end, the at least two drying sections are combined with the body and located between the input end and the output end, and each drying section is provided with a a hot air inlet communicating with the interior of the body, a mesh layer disposed in the body and communicating with the hot air inlet, and at least one exhaust duct communicating with the mesh layer, the body is disposed between two adjacent drying sections a buffer layer for changing the direction of hot air flow in two adjacent drying sections, the detecting module being combined with the body and provided with at least two moisture meters, at least two temperature sensors, a rotating unit and a processing unit. The at least two moisture meters are combined with the body and are respectively located below a mesh layer, and each temperature sensor is disposed in each drying section, the rotating unit is disposed in the body, the processing unit and each water The temperature sensor and the rotary unit are electrically connected; the parameter setting step: the processing unit sets a temperature value and a moisture value for each drying section; and a plurality of drying steps: the waiting is performed via the conveying pipe The dried grain is delivered to the input end of the body and enters each drying section, and a hot air is introduced into the mesh layer through the hot air inlet in each drying section, so that the grain to be dried passing through each mesh layer absorbs hot air. The heat is discharged and the hot air passes through the grain, and then the exhaust pipe discharges the body, and the temperature value and the moisture value of each drying section are detected by the temperature sensors and the moisture meter, and the detected value is detected. The temperature value and the moisture value are transmitted to the processing unit, and when the moisture value detected by each drying section is different from the set moisture value, the temperature of the drying section is adjusted, and the whole grain to be dried is calculated. The precipitation speed is transmitted by the processing unit to the rotary unit, and the running speed of the rotary unit and the temperature of the dry hot air are adjusted. The dryer automatic drying method according to claim 1, wherein in the preparing step, the automatic drying device is provided with a plurality of drying sections on the body. The automatic drying method of the dryer according to claim 1 or 2, wherein in the preparing step, the rotary unit is provided with a plurality of rotary valves at the lowermost floor layer, and the rotary unit is provided with a rotation and a rotation in the body. A rotary valve motor connected to the valve to drive each rotary valve to operate relative to the body. The automatic drying method of the dryer according to claim 3, wherein in the parameter setting step, the temperature value and the moisture value of each drying section are set according to the needs of the user. An automatic drying device for a dryer, comprising: a body, the body is provided with an input end, an output end and a delivery tube, the input end is disposed at the top of the body and communicates with the interior thereof, and the output end is disposed on the body a bottom portion, the conveying pipe is disposed outside the body and communicates with the input end and the output end; at least two drying sections, the at least two drying sections are combined with the body and located between the input end and the output end, Each of the drying sections is provided with a hot air inlet, a net floor layer and at least one exhaust duct. The hot air inlet is disposed outside the body and communicates with the interior of the body. The net seat layer is disposed inside the body and is connected to the hot air. The inlet is open, the at least one exhaust pipe is disposed outside the body and communicates with the mesh layer, and the body is provided with a buffer layer between the two adjacent drying sections to change the flow direction of the hot air in the two adjacent drying sections; And a detecting module, the detecting module is combined with the body and is provided with at least two moisture meters, at least two temperature sensors, a rotating unit and a processing unit, and the at least two moisture meters are combined with the body And The temperature sensor is disposed in each of the drying sections, and the rotating unit is disposed in the body, and the processing unit is connected with each moisture meter, each temperature sensor, and the rotating unit. The electrical connection is used to calculate and process the signals detected by the moisture meters, and adjust the operating speed of the rotary unit and the temperature of the dry hot air according to the data obtained after the processing. The dryer automatic drying device of claim 5, wherein the automatic drying device is provided with a plurality of drying sections. The dryer automatic drying device according to claim 5 or 6, wherein the rotary unit has a plurality of rotary valves and a rotary valve motor, and the plurality of rotary valves are disposed at a lowermost mesh seat layer, and the rotary valve motor is disposed at The body is connected to each rotary valve to drive each rotary valve to operate relative to the body. The dryer automatic drying device of claim 7, wherein the body is provided with a dispensing tray at the input end, and the body is provided with a receiving box and an output rod at the output end, the receiving box and the body The bottom phase is fixedly disposed under the distribution tray, and the output rod is rotatably disposed in the receiving box. The dryer automatic drying device according to claim 8, wherein the output rod is a screw lever and driven by a rotation motor, the rotary valve motor is a variable frequency control motor, and the processing unit is a microcomputer.