Material drying equipment

Abstract

The embodiment of the utility model provides material drying equipment, and relates to the technical field of air energy drying systems. The material drying bin, the air inlet bin and the air outlet bin aim to solve the problems that a drying system is uneven in drying and high in energy consumption, and the material drying bin is used for storing materials. A first air inlet communicated with the top of the material drying bin and the air inlet bin and a second air inlet communicated with the bottom of the material drying bin and the air inlet bin are formed between the air inlet bin and the material drying bin; the air inlet bin is provided with a hot air inlet, and the hot air inlet is used for switching air supply to the first air inlet or the second air inlet; a first air outlet communicated with the top of the material drying bin and the air outlet bin and a second air outlet communicated with the bottom of the material drying bin and the air outlet bin are formed between the air outlet bin and the material drying bin; and the first air outlet or the second air outlet is used for switching to exhaust air to the exhaust air recovery opening. And meanwhile, heat recovery is carried out at the air exhaust recovery opening, energy is saved, and energy consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of air energy drying systems, in particular to a material drying device. Background Art

[0002] Most of the existing corn material drying equipment uses non-renewable energy as heat source, most commonly coal and natural gas, which both emit greenhouse gases.

[0003] It emits greenhouse gases and hinders carbon peak and carbon neutrality. The exhaust air is directly discharged, the heat is not recycled, and the energy consumption is high. The air duct system is simple and the drying is uneven. Utility Model Content

[0004] The purpose of the utility model includes, for example, providing a material drying device, which can improve the problems of uneven drying and high energy consumption in the drying system.

[0005] The embodiments of the present invention can be implemented as follows:

[0006] An embodiment of the utility model provides a material drying equipment, including a material drying bin, an air inlet bin and an air outlet bin, wherein the material drying bin is used to store materials; a first air inlet connecting the top of the material drying bin and the air inlet bin, and a second air inlet connecting the bottom of the material drying bin and the air inlet bin are arranged between the air inlet bin and the material drying bin; the air inlet bin is provided with a hot air inlet, and the hot air inlet is used to switch the air supply to the first air inlet or the second air inlet; a first air outlet connecting the top of the material drying bin and the air outlet bin, and a second air outlet connecting the bottom of the material drying bin and the air outlet bin are arranged between the air outlet bin and the material drying bin; the first air outlet or the second air outlet is used to switch the exhaust to the exhaust recovery port.

[0007] In addition, the material drying equipment provided by the embodiment of the utility model may also have the following additional technical features:

[0008] Optionally, a ventilation partition is provided in the material drying bin; the ventilation partition divides the material drying bin into an upper space and a lower space, and the ventilation partition is provided with a plurality of ventilation holes connecting the upper space and the lower space; the upper space is used to store materials, and the upper space is connected to the first air inlet and the first air outlet; the lower space is connected to the second air inlet and the second air outlet.

[0009] Optionally, a feed port communicating with the upper space is provided on the top of the material drying bin; and a discharge port communicating with the upper space is provided on the side of the material drying bin.

[0010] Optionally, the material drying equipment also includes an evaporation and condensation system; the evaporation and condensation system includes an evaporator, a condenser and a circulation connecting pipe, the evaporator and the condenser are fixed on the circulation connecting pipe, the condenser is arranged corresponding to the hot air inlet, and the evaporator is arranged corresponding to the exhaust air recovery port.

[0011] Optionally, the material drying equipment further includes an air inlet duct and a circulating fan; the air inlet duct is connected to the hot air inlet, and the circulating fan and the condenser are fixed on the air inlet duct.

[0012] Optionally, there are two air outlet bins; the two air outlet bins are fixed at intervals on one side of the material drying bin.

[0013] Optionally, the air inlet bin is fixed between the two air outlet bins.

[0014] Optionally, the material drying equipment further includes an air outlet pipe; the air outlet pipe is fixed on the top of the two air outlet bins, and the air outlet pipe is connected to the two exhaust air recovery ports; the evaporator is fixed on the air outlet pipe.

[0015] Optionally, the evaporative condensation system further includes a compressor and a gas-liquid separator; the compressor and the gas-liquid separator are fixed on the circulation connecting pipe and fixed in the air outlet pipe.

[0016] Optionally, the material drying equipment further includes a plurality of air valves; the first air inlet, the second air inlet, the first air outlet and the second air outlet are all provided with the air valves, and the plurality of air valves are used for switching to open.

[0017] The beneficial effects of the material drying equipment of the embodiment of the utility model include, for example:

[0018] The material drying equipment comprises a material drying bin, an air inlet bin and an air outlet bin, wherein the material drying bin is used to store materials; a first air inlet connecting the top of the material drying bin and the air inlet bin, and a second air inlet connecting the bottom of the material drying bin and the air inlet bin are arranged between the air inlet bin and the material drying bin; the air inlet bin is provided with a hot air inlet, and the hot air inlet is used to switch the air supply to the first air inlet or the second air inlet; a first air outlet connecting the top of the material drying bin and the air outlet bin, and a second air outlet connecting the bottom of the material drying bin and the air outlet bin are arranged between the air outlet bin and the material drying bin; the first air outlet or the second air outlet is used to switch the exhaust to the exhaust recovery port.

[0019] By switching on the first air inlet, the second air inlet, the first air outlet and the second air outlet, hot air can flow from the top of the material drying bin to the bottom of the material drying bin, or from the bottom of the material drying bin to the top of the material drying bin, so as to achieve forward and reverse blowing of the material and improve the material drying effect. At the same time, heat is recovered at the exhaust air recovery port to achieve energy saving and reduce energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 A schematic diagram of the main internal structure of the material drying equipment provided in this embodiment;

[0022] Figure 2 A schematic diagram of the internal structure of the material drying equipment provided in this embodiment from a side view;

[0023] Figure 3 A schematic diagram of the process of blowing air from bottom to top for the material drying equipment provided in this embodiment;

[0024] Figure 4 A schematic diagram of the opening and closing of the air valve corresponding to the material drying equipment provided in this embodiment for blowing air from bottom to top;

[0025] Figure 5 A schematic diagram of the process of blowing air from top to bottom for the material drying equipment provided in this embodiment;

[0026] Figure 6 The material drying equipment provided in this embodiment corresponds to the opening and closing diagram of the air valve for blowing air from top to bottom.

[0027] Icons: 10-material drying equipment; 100-material drying bin; 110-ventilation baffle; 120-feed port; 130-discharge port; 200-air inlet bin; 210-first air inlet; 220 second air inlet; 300-air outlet bin; 310-first air outlet; 320-second air outlet; 410-evaporator; 420-condenser; 430-circulation connecting pipe; 440-compressor; 450-gas-liquid separator; 500-air inlet pipe; 510-circulation fan; 520-air outlet pipe; 600-first air valve; 610-second air valve; 620-third air valve; 630-fourth air valve; 640-fifth air valve; 650-sixth air valve; 700-heat pump evaporation fan; 800-materials. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0031] In the description of the present utility model, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when used. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present utility model.

[0032] In addition, the terms “first”, “second”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0033] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.

[0034] Combine the following Figures 1 to 6 The material drying equipment 10 provided in this embodiment is described in detail.

[0035] Please refer to Figures 1 to 6The embodiment of the utility model provides a material drying equipment 10, including a material drying bin 100, an air inlet bin 200 and an air outlet bin 300, the material drying bin 100 is used to store materials 800; a first air inlet 210 connecting the top of the material drying bin 100 and the air inlet bin 200, and a second air inlet connecting the bottom of the material drying bin 100 and the air inlet bin 200 are arranged between the air inlet bin 200 and the material drying bin 100; the air inlet bin 200 is provided with a hot air inlet, and the hot air inlet is used to switch to supply air to the first air inlet 210 or the second air inlet; a first air outlet 310 connecting the top of the material drying bin 100 and the air outlet bin 300, and a second air outlet 320 connecting the bottom of the material drying bin 100 and the air outlet bin 300 are arranged between the air outlet bin 300 and the material drying bin 100; the first air outlet 310 or the second air outlet 320 is used to switch to exhaust air to the exhaust recovery port.

[0036] Specifically, refer to Figure 1 The air inlet bin 200 and the air outlet bin 300 are fixed on the right side of the material drying bin 100 , and the right side of the material drying bin 100 is provided with a first air inlet 210 , a second air inlet, a first air outlet 310 and a second air outlet 320 .

[0037] Reference Figure 2 as well as Figure 4 , when the hot air inlet supplies air to the first air inlet 210, the second air outlet 320 exhausts air to the exhaust recovery port, and the hot air enters the air inlet bin 200 from the hot air inlet, and the hot air passes through the first air inlet 210-the top of the material drying bin 100-the bottom of the material drying bin 100-the second air outlet 320-the air outlet bin 300-the exhaust recovery port in sequence until it is discharged; that is, the hot air flows from the top of the material drying bin 100 to the bottom of the material drying bin 100;

[0038] Reference Figure 5 as well as Figure 6 When the hot air inlet supplies air to the second air inlet, the first air outlet 310 exhausts air to the exhaust recovery port, and the hot air enters the air inlet bin 200 from the hot air inlet, and the hot air passes through the second air inlet-the bottom of the material drying bin 100-the top of the material drying bin 100-the first air outlet 310-the air outlet bin 300-the exhaust recovery port in sequence until it is discharged; that is, the hot air flows from the bottom of the material drying bin 100 to the top of the material drying bin 100, which is opposite to the above-mentioned hot air flow direction.

[0039] By switching on the first air inlet 210, the second air inlet, the first air outlet 310 and the second air outlet 320, hot air can flow from the top of the material drying bin 100 to the bottom of the material drying bin 100, or from the bottom of the material drying bin 100 to the top of the material drying bin 100, so as to achieve forward and reverse blowing of the material 800 and improve the drying effect of the material 800. At the same time, heat recovery is performed at the exhaust air recovery port to achieve the effect of energy saving and reduced energy consumption.

[0040] Reference Figure 1 In this embodiment, a ventilation partition 110 is provided in the material drying bin 100; the ventilation partition 110 divides the material drying bin 100 into an upper space and a lower space, and the ventilation partition 110 is provided with a plurality of ventilation holes connecting the upper space and the lower space; the upper space is used to store the material 800, and the upper space is connected to the first air inlet 210 and the first air outlet 310; the lower space is connected to the second air inlet and the second air outlet 320.

[0041] Specifically, the ventilation baffle 110 is tilted to facilitate unloading. The material 800 is piled on the ventilation baffle 110 to the position indicated by the horizontal line in the figure, and there is space between the top of the material 800 and the material drying bin 100 for communicating with the first air inlet 210 and the first air outlet 310.

[0042] The hot air enters from the lower space through the second air inlet, passes through the material 800 and is discharged from the upper space through the first air outlet 310; or enters from the upper space through the first air inlet 210, passes through the material 800 and is discharged from the upper space through the first air outlet 310.

[0043] Reference Figure 1 In this embodiment, a feed port 120 communicating with the upper space is disposed on the top of the material drying bin 100 ; a discharge port 130 communicating with the upper space is disposed on the side of the material drying bin 100 .

[0044] The top is provided with a feed port 120 to facilitate feeding and control the height of the material 800. The discharge port 130 is provided at the side and is located at the lower side of the ventilation baffle 110, so that the material 800 can be discharged by gravity.

[0045] Reference Figure 1 In this embodiment, the material drying equipment 10 also includes an evaporation and condensation system; the evaporation and condensation system includes an evaporator 410, a condenser 420 and a circulation connecting pipe 430, the evaporator 410 and the condenser 420 are fixed on the circulation connecting pipe 430, the condenser 420 is arranged corresponding to the hot air inlet, and the evaporator 410 is arranged corresponding to the exhaust air recovery port.

[0046] The evaporator 410 and the condenser 420 in the evaporative condensation system can realize energy recycling. The condenser 420 can heat the air entering the hot air inlet, and the evaporator 410 can recover the heat of the hot air discharged from the exhaust air recovery port. Energy saving and energy consumption reduction.

[0047] Reference Figure 1 In this embodiment, the material drying equipment 10 further includes an air inlet duct 500 and a circulating fan 510 ; the air inlet duct 500 is connected to the hot air inlet, and the circulating fan 510 and the condenser 420 are fixed on the air inlet duct 500 .

[0048] The circulating fan 510 is used to supply air into the air inlet bin 200 , and the condenser 420 is used to heat the air delivered to the air inlet bin 200 . The air inlet pipe 500 is fixed to the side of the air inlet bin 200 .

[0049] Reference Figure 1 as well as Figure 2 In this embodiment, there are two air outlet bins 300; the two air outlet bins 300 are fixed at intervals on one side of the material drying bin 100. The two air outlet bins 300 are provided to achieve uniform hot air distribution.

[0050] Reference Figure 1 as well as Figure 2 In this embodiment, the air inlet bin 200 is fixed between the two air outlet bins 300 to achieve uniform hot air distribution.

[0051] Reference Figure 1 as well as Figure 2 In this embodiment, the material drying equipment 10 also includes an air outlet pipe 520; the air outlet pipe 520 is fixed on the top of the two air outlet bins 300, and the air outlet pipe 520 is connected to the two exhaust air recovery ports; the evaporator 410 is fixed on the air outlet pipe 520.

[0052] The exhaust in the two air outlet bins 300 is finally discharged through the air outlet pipe 520 . During the process of being discharged through the air outlet pipe 520 , heat is recovered through the evaporator 410 .

[0053] Reference Figure 1 In this embodiment, the evaporative condensation system further includes a compressor 440 and a gas-liquid separator 450 ; the compressor 440 and the gas-liquid separator 450 are fixed on the circulation connecting pipe 430 and fixed in the air outlet pipe 520 .

[0054] The compressor 440 and the gas-liquid separator 450 are components in the evaporation-condensation system, and are used to realize the state switching of the substances in the evaporator 410 and the condenser 420 to release and absorb heat.

[0055] Reference Figure 2In this embodiment, the material drying equipment 10 also includes a plurality of air valves; the first air inlet 210, the second air inlet, the first air outlet 310 and the second air outlet 320 are all provided with air valves, and the plurality of air valves are used to switch open.

[0056] by Figure 2 The relative positions in the figure are introduced, from left to right, the left air outlet bin 300, the air inlet bin 200, and the right air outlet bin 300;

[0057] The first air outlet 310 on the left air outlet bin 300 is fixed with the first air valve 600, and the second air outlet 320 is fixed with the second air valve 610; the first air inlet 210 on the air inlet bin 200 is fixed with the third air valve 620, and the second air inlet is fixed with the fourth air valve 630; the first air outlet 310 on the right air outlet bin 300 is fixed with the fifth air valve 640, and the second air outlet 320 is fixed with the sixth air valve 650.

[0058] By controlling the opening or closing of multiple air valves, hot air can be blown from top to bottom or from bottom to top to the material 800, thereby improving the drying efficiency.

[0059] Reference Figure 3 as well as Figure 4 , the fourth air valve 630, the first air valve 600 and the fifth air valve 640 are opened, and the other air valves are closed. The hot air enters the bottom of the material drying bin 100 from the fourth air valve 630, and is discharged from the top of the material drying bin 100 through the first air valve 600 and the fifth air valve 640 to the air outlet bin 300, and then discharged through the exhaust air recovery port, and the hot air blows from bottom to top.

[0060] Reference Figure 5 as well as Figure 6 , the third air valve 620, the second air valve 610 and the sixth air valve 650 are opened, and the other air valves are closed. The hot air enters the top of the material drying bin 100 from the third air valve 620, and is discharged from the bottom of the material drying bin 100 through the second air valve 610 and the sixth air valve 650 to the air outlet bin 300, and then discharged through the exhaust air recovery port, and the hot air blows from bottom to top.

[0061] According to a material drying device 10 provided in this embodiment, the working principle of the material drying device 10 is:

[0062] Downward blowing mode: fresh air is sucked in by the circulation fan 510, heated by the condenser 420, and enters the air inlet bin 200. At this time, the first air valve 600 is opened, the second air valve 610 is closed, the third air valve 620 is closed, the fourth air valve 630 is opened, the fifth air valve 640 is opened, and the sixth air valve 650 is closed. The heated fresh air enters the material drying bin 100 through the fourth air valve 630, blows into the material drying bin 100 from bottom to top, takes away the moisture of the material 800, and then passes through the first air valve 600 and the fifth air valve 640 to the air outlet bin 300, and finally is pulled by the heat pump evaporation fan 700, and the heat in the exhaust air is recovered and discharged through the evaporator 410.

[0063] Upward blowing mode: fresh air is sucked in by the circulation fan 510, heated by the condenser 420, and enters the air inlet bin 200. At this time, the first air valve 600 is closed, the second air valve 610 is opened, the third air valve 620 is opened, the fourth air valve 630 is closed, the fifth air valve 640 is closed, and the sixth air valve 650 is opened. The heated fresh air enters the drying bin through the third air valve 620, blows into the material drying bin 100 from top to bottom, takes away the moisture of the material 800, and then passes through the second air valve 610 and the sixth air valve 650 to the air outlet bin 300, and finally is pulled by the heat pump evaporation fan 700, and the heat in the exhaust air is recovered and discharged through the evaporator 410.

[0064] The material drying equipment 10 provided in this embodiment has at least the following advantages:

[0065] By switching on the first air inlet 210 , the second air inlet, the first air outlet 310 and the second air outlet 320 , forward and reverse blowing of the material 800 is achieved, thereby increasing the uniformity of drying and improving the efficiency of drying the material 800 .

[0066] The coupling mode of air energy and drying system: using air energy to realize heat recovery of exhaust air, energy-saving and high efficiency; using the evaporator 410 of the heat pump to recover the heat of the exhaust air, and using the condenser 420 of the heat pump to heat the fresh air to dry the material 800, which becomes the heat source part of the drying system. The drying system can be operated energy-saving and efficiently.

[0067] Material 800 is corn seeds. The air energy evaporator 410 is used to recover the heat of the exhaust air, and the air energy condenser 420 is used to heat the fresh air to dry the corn seeds. The innovative design matches the forward and reverse air ducts of the heat pump structure to increase the uniformity of drying and realize energy-saving and efficient operation of the drying system.

[0068] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A material drying equipment, characterized in that: include: A material drying bin (100), wherein the material drying bin (100) is used to store materials (800); An air inlet bin (200), wherein a first air inlet (210) connecting the top of the material drying bin (100) and the air inlet bin (200) and a second air inlet connecting the bottom of the material drying bin (100) and the air inlet bin (200) are arranged between the air inlet bin (200) and the material drying bin (100); the air inlet bin (200) is provided with a hot air inlet, and the hot air inlet is used to switch air supply to the first air inlet (210) or the second air inlet; and an air outlet bin (300), wherein a first air outlet (310) connecting the top of the material drying bin (100) and the air outlet bin (300) and a second air outlet (320) connecting the bottom of the material drying bin (100) and the air outlet bin (300) are provided between the air outlet bin (300) and the material drying bin (100); the first air outlet (310) or the second air outlet (320) is used for switching to exhaust air to an exhaust recovery port.

2. The material drying equipment according to claim 1, characterized in that: A ventilation partition (110) is provided in the material drying bin (100); the ventilation partition (110) divides the material drying bin (100) into an upper space and a lower space, and the ventilation partition (110) is provided with a plurality of ventilation holes connecting the upper space and the lower space; the upper space is used to store materials (800), and the upper space is connected to the first air inlet (210) and the first air outlet (310); the lower space is connected to the second air inlet and the second air outlet (320).

3. The material drying equipment according to claim 2, characterized in that: The top of the material drying bin (100) is provided with a material inlet (120) communicating with the upper space; the side of the material drying bin (100) is provided with a material discharge port (130) communicating with the upper space.

4. The material drying equipment according to any one of claims 1 to 3, characterized in that: The material drying equipment also includes an evaporation and condensation system; the evaporation and condensation system includes an evaporator (410), a condenser (420) and a circulation connecting pipe (430), the evaporator (410) and the condenser (420) are fixed on the circulation connecting pipe (430), the condenser (420) is arranged corresponding to the hot air inlet, and the evaporator (410) is arranged corresponding to the exhaust air recovery port.

5. The material drying equipment according to claim 4, characterized in that: The material drying equipment further comprises an air inlet pipe (500) and a circulating fan (510); the air inlet pipe (500) is connected to the hot air inlet, and the circulating fan (510) and the condenser (420) are fixed on the air inlet pipe (500).

6. The material drying equipment according to claim 4, characterized in that: The number of the air outlet bins (300) is two; the two air outlet bins (300) are fixed at intervals on one side of the material drying bin (100).

7. The material drying equipment according to claim 6, characterized in that: The air inlet bin (200) is fixed between the two air outlet bins (300).

8. The material drying equipment according to claim 7, characterized in that: The material drying equipment further comprises an air outlet pipe (520); the air outlet pipe (520) is fixed on the top of the two air outlet bins (300), and the air outlet pipe (520) is connected to the two exhaust air recovery ports; the evaporator (410) is fixed on the air outlet pipe (520).

9. The material drying equipment according to claim 8, characterized in that: The evaporative condensation system further comprises a compressor (440) and a gas-liquid separator (450); the compressor (440) and the gas-liquid separator (450) are fixed on the circulation connecting pipe (430) and fixed in the air outlet pipe (520).

10. The material drying equipment according to any one of claims 1 to 3, characterized in that: The material drying equipment further comprises a plurality of air valves; the first air inlet (210), the second air inlet, the first air outlet (310) and the second air outlet (320) are all provided with the air valves, and the plurality of air valves are used for switching to open.

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