CN218846676U - High-efficiency fruit and vegetable dryer - Google Patents
High-efficiency fruit and vegetable dryer Download PDFInfo
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- CN218846676U CN218846676U CN202222621547.6U CN202222621547U CN218846676U CN 218846676 U CN218846676 U CN 218846676U CN 202222621547 U CN202222621547 U CN 202222621547U CN 218846676 U CN218846676 U CN 218846676U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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Abstract
A high-efficiency fruit and vegetable dryer is characterized in that an air inlet of a hot blast stove is connected with a mixed air outlet of a three-air tee through a communicating pipe, a return air inlet of the three-air tee is connected with a return air pipe, and the air inlet of the three-air tee is communicated with the atmosphere; the air inlet of the three-air tee joint is provided with a valve, and the valve is provided with an air inlet closing position A, a circulating return air and air inlet position B and a circulating return air closing position C; at the air inlet closing position A, the air inlet is closed, and the return air of the return air pipe is completely circulated back to the air heating furnace; at the circulating return air and air inlet position B, the air inlet and the return air inlet are opened simultaneously, and the mixed air of the air inlet and the return air pipe is sent into the hot air return furnace; and at the closed circulating air return position C, the air return inlet is closed, no air return exists after the air return pipe is closed, and all the inlet air of the air inlet is fed into the hot blast stove. The air-conditioning system has the advantages that the air inlet amount, the moisture exhaust amount and the circulating return air amount can be well adjusted and controlled through the combined action of the exhaust tee joint, the three-air tee joint and the valve, the waste heat of the exhausted moisture is better utilized, and the air-conditioning system is energy-saving and environment-friendly.
Description
Technical Field
The utility model relates to a food drying technology field, specifically speaking relates to a high-efficient fruit vegetables drying-machine.
Background
The defects of the existing food dryer are mainly as follows: 1. the moisture exhaust port is directly connected with the hot blast stove through a return air pipe, and the proportion of the circulating return air volume and the air inlet volume cannot be well controlled; 2. waste gas is directly discharged, and other heat is not recycled, so that the drying effect is poor, and energy waste is serious.
Chinese patent discloses patent application numbers as follows: 202011272039, named: the patent document of 'an air source heat pump fruit and vegetable dryer with an opening and closing integrated baking tank' realizes the conversion between open drying and closed drying through an automatic telescopic air return cover, in an open drying state, fruits and vegetables are in a naked environment, the cleanness of the fruits and vegetables cannot be ensured, all the exhausted waste heat is exhausted, and the utilization of the waste heat of moisture (waste gas) is not carried out; in a closed drying state, only circulating air volume can be ensured, and the moisture exhaust amount cannot be adjusted, so that the drying quality is poor, and the energy utilization rate is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a just only need a valve just can be simultaneously automatic stepless regulation and control intake, moisture exhaust volume, circulation return air volume to the high-efficient fruit vegetables drying-machine that exhaust moisture (waste gas) waste heat utilization is better, drying quality is good.
The utility model discloses a technical scheme is:
a high-efficiency fruit and vegetable dryer comprises a drying oven, a drying oven door, an exhaust tee joint, a return air pipe and a hot blast stove, wherein an air inlet of the hot blast stove is connected with a mixed air outlet of the three-air tee joint through a communicating pipe, a return air inlet of the three-air tee joint is connected with the return air pipe, and an air inlet of the three-air tee joint is communicated with the atmosphere; the air inlet of the three-air tee joint is provided with a valve, and the valve is provided with an air inlet closing position A, a circulating air returning and air inlet position B and a circulating air returning closing position C; at the air inlet closing position A, the air inlet is closed, and the return air of the return air pipe is completely circulated back to the air furnace; at the circulating return air and air inlet position B, the air inlet and the return air inlet are opened simultaneously, and the mixed air of the air inlet and the return air pipe is sent into the hot air return furnace; and at the closed circulating air return position C, the air return inlet is closed, no air return exists after the air return pipe is closed, and all the inlet air of the air inlet is fed into the hot blast stove.
As the preferred scheme, the valve is of a rotating structure, one end of the valve is hinged to the three-air tee joint through a rotating shaft, and the rotating shaft is rotated to adjust the valve to be in a corresponding working position.
As a preferable scheme, the return air pipe is provided with a gas-water separator, and the separated gas is sent to the valve through the gas-water separator.
As a preferred scheme, the air return pipe is provided with a waste heat recoverer, and waste heat recovered by the waste heat recoverer is connected with an air inlet of the three-air tee joint through a pipeline.
Preferably, the exhaust port of the exhaust tee is hinged with the moisture exhaust cover.
Preferably, one end of the moisture exhausting cover is hinged with the edge of the exhaust tee joint.
The beneficial effects of the utility model are that through the combined action of exhaust tee bend, three wind tee bends, valve, can adjust control intake, moisture exhaust volume, circulation return air volume well, utilize the waste heat of exhaust moisture better, energy-concerving and environment-protective.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic sectional view of the vent tee 4.
Fig. 4 is a schematic sectional view of the three-way valve 6.
Fig. 5 is a schematic view showing the positions of the valve 16 and the moisture exhaust cover 5.
FIG. 6 is a schematic view of the structure of the gas-water separator 10.
Fig. 7 is a schematic structural view of the installation of the waste heat recoverer 27.
Fig. 8 is a schematic structural view of the waste heat recoverer 27.
Fig. 9 is a left side view of fig. 8.
Fig. 10 is a top view of fig. 8.
Fig. 11 is a cross-sectional view C-C of fig. 8.
Fig. 12 is a cross-sectional view D-D of fig. 10.
Fig. 13 isbase:Sub>A schematic sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2.
Fig. 14 is a schematic sectional view taken along line B-B of fig. 2.
Fig. 15 is a schematic view of the present invention in a circulating return air state.
Fig. 16 is a schematic view of the present invention in a closed loop return air condition.
Fig. 17 is a schematic view of the present invention in a circulating return air and intake air state.
The parts of the drawings are as follows: the drying oven comprises an oven 1, an oven door 2, a return air pipe 3, an exhaust tee joint 4, a moisture exhaust cover 5, a three-air tee joint 6, a communicating pipe 7, a hot air furnace 8, a hot air pipe 9, a gas-water separator 10, a moisture exhaust port 11, a return air outlet 12, an exhaust port 13, a return air inlet 14, a mixed air outlet 15, a valve 16, an air inlet 17, an air chamber 18, a heat preservation layer 19, an air outlet 20, a dried product 21, a drying disc 22, hot air 23, a hot air channel 24, a wall inner layer 25, a dried product vehicle 26, a waste heat recoverer 27, a waste heat recoverer air inlet 28, a waste heat recoverer wet air channel 29 and a waste heat recoverer air channel 30.
Detailed Description
The invention will be further elucidated and described with reference to the following embodiments and drawings in which:
in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention includes an oven 1, an oven door 2, an exhaust tee 4, an air return duct 3 and a hot blast stove 8, wherein an air inlet of the hot blast stove 8 is connected to a mixing air outlet 15 of the tee 6 through a communicating pipe 7, a return air inlet 14 of the tee 6 is connected to the air return duct 3, and an air inlet 17 of the tee 6 is communicated with the atmosphere; an air inlet 17 of the three-air tee joint 6 is provided with a valve 16, and the valve 16 is provided with an air inlet closing position A, a circulating air returning and air inlet position B and a circulating air returning closing position C; at the air inlet closing position A, the air inlet 17 is closed, and the return air of the return air pipe 3 is completely circulated back to the hot air furnace 8; in the circulating air return and air inlet positions B, the air inlet 17 and the air return inlet 14 are opened simultaneously, and mixed air of the air inlet 17 and the air return pipe 3 is fed into the regenerative air furnace 8; and at the closed circulating air return position C, the air return inlet 14 is closed, no air return exists after the air return pipe 3 is closed, and all the inlet air of the air inlet 17 is fed into the hot blast stove 8.
Valve 16 is revolution mechanic, and 16 one end of valve articulates in three wind tee joints 6 through the pivot, and rotatory pivot adjusting valve 16 is in corresponding operating position, and the rotation of valve 16 can be manual, also can adopt automatic control, and this embodiment adopts manual rotation, and the valve is outside to stretch out in the pivot of valve 16, through rotatory pivot, the position of adjustable valve promptly.
As shown in fig. 13 and 14, the walls on the left and right sides of the oven 1 are double-layer hollow structures, the outer layer is a heat insulation layer 19, the inner layer 25 is a flat plate structure, a plurality of air outlets 20 are distributed on the plate, the space between the inner layer and the outer layer is a hot air channel 24, the air inlet end of the oven 1 is provided with an interlayer air chamber 18, hot air 23 sprayed from the hot air furnace 8 enters the air chamber 18 through a hot air pipe 9, flows to the hot air channel 24 between the interlayer of the left and right walls, and is uniformly sprayed to the baked goods 21 in the oven 1 from the left and right sides through the air outlets 20 on the plate of the inner layer 25 of the wall. Because the air outlets 20 are uniformly distributed on the inner layer 25 of the wall, the hot air 23 is uniformly sprayed to the drying product 21 in a large area at a certain distance, the air temperature in front, back, upper and lower parts is uniform and the same, and the drying effect is good.
Based on the above basic technical scheme, the utility model discloses there is following embodiment:
example 1:
as shown in figures 1, 2, 3, 4 and 5,
the exhaust tee joint 4 is arranged at the top of the oven 1, the exhaust tee joint 4 is provided with an exhaust port 13 connected with the oven 1, a moisture exhaust port 11 connected with the atmosphere, a return air outlet 12 connected with the return air pipe 3 and an exhaust cover 5 for adjusting moisture exhaust amount of the moisture exhaust port 11, the tee joint 6 is provided with a return air inlet 14 connected with the exhaust return air pipe 3, an air inlet 17 connected with fresh air and a mixed air outlet 15 connected with a communicating pipe 7, the communicating pipe 7 sends mixed air sent out from the mixed air outlet 15 to a hot blast stove 8, and the hot blast stove 8 is connected with the oven 1 through a hot blast pipe 9; one end of the moisture exhaust cover 5 is hinged with the edge of the exhaust tee joint 4, and the moisture exhausted by the oven 1 pushes the moisture exhaust cover 5 to be opened according to the air volume; the three-wind tee joint 6 is arranged at a lower position convenient for operation, and the moisture discharging amount of the moisture discharging cover 5 can be operated and controlled at an operation point.
The working principle of the embodiment is as follows:
when the hot blast stove works, the hot blast stove 8 is started, hot blast is blown into the oven 1, when the hot blast stove is started, the drying products 21 in the oven 1 are all cold, in order to rapidly heat up, the valve 16 is rotated to the position A for closing air inlet, air is not supplied, all air return circulates, air is not exhausted, heat can not be taken away, when the set temperature is reached, the valve 16 in the three-air tee joint 6 is properly stirred to rotate to the positions B for circulating air return and air inlet, and then moisture removal, air return and air inlet are carried out simultaneously. The sizes of moisture discharge, return air and intake air are controlled by adjusting the rotation angle of the valve 16, so that a good drying state is achieved, and a good drying speed and effect are obtained.
In oven 1 and circulationIn the system, because the volume of the oven 1 is unchanged, the amount of air (hot air) which can be accommodated is constant, and the amount of air which enters (enters) is discharged, so that the air inlet and the air outlet (wet discharge) are synchronously performed and are equivalent; when air enters, the air exhaust cover 5 can be automatically blown open to a corresponding degree, and corresponding circulating return air exists, so that three air (air inlet, return air and moisture exhaust air) coexist, and a good drying state is reasonably distributed; the valve 16 is rotated to the air inlet closing position A, air is not supplied, the moisture exhaust cover 5 can be automatically attracted and closed due to gravity and the attraction of return air, all return air circulation is formed, air exhaust is not provided, and heat is not taken away; the valve 16 is rotated to the closed return air position C so that there is no return air circulation, but a large amount of inlet air and moisture removal. As shown in fig. 7, when the valve 16 is rotated to the air inlet position a, the circulating air return and air inlet position B, and the circulating air return closing position C, the moisture discharging cover 5 is located at a 1 、B 1 、C 1 To (3).
The temperature of the hot air can be adjusted and controlled by a computer automatic temperature control system.
When the machine is shut down, the hot blast stove 8 is closed.
Example 2:
as shown in fig. 6, the return air pipe 3 is provided with a gas-water separator 10, the separated dry gas is sent to a valve 16 through the gas-water separator 10, the gas-water separator is a traditional product sold in the market, the left inlet of the gas-water separator 10 is communicated with an exhaust tee joint 4 through the return air pipe 3, the right outlet of the gas-water separator 10 is communicated with a three-air tee joint 6 through the return air pipe 3, the exhaust tee joint 4 is communicated with the oven 1 through an exhaust port 13, after the gas-water separator 10 is added, water in the damp and hot circulating return air is separated from air, the water is discharged from the lower end of the gas-water separator 10, the separated dry and hot air enters the hot blast stove 8 through the three-air tee joint 6 and the communicating pipe 7, the hot air is reheated to enter the oven 1, and the baked product is dried, so that the damp and hot circulating return air is changed into dry and hot air for recycling, the quality is better, and the heat recycling effect is better. The other structures are the same as those of the embodiment 1, and different working conditions can be adjusted by adjusting the valve 16 to be in the air inlet closing position A, the circulating air returning and air inlet position B and the circulating air returning closing position C for use, so that more energy is saved because waste heat is recycled.
Example 3:
as shown in fig. 7, the return air duct 3 is provided with a waste heat recovery device 27, the waste heat recovered by the waste heat recovery device 27 is connected to the air inlet 17 of the three-way air duct 6 through a pipeline, and the gas heated by the waste heat is sent to the air inlet 17 to be used by the hot air furnace. The structure of the waste heat recoverer 27 is shown in fig. 8, 9, 10, 11 and 12, a waste heat recoverer wet air channel 29 through which wet and hot waste gas of the return air pipe 3 passes is arranged in the waste heat recoverer 27, an interlayer connected with a waste heat recoverer air inlet channel 28 is arranged on the periphery of the waste heat recoverer wet air channel 29, when air entering from the waste heat recoverer air inlet channel 28 exchanges heat with the wet and hot waste gas in the waste heat recoverer wet air channel 29, the air entering from the waste heat recoverer air inlet channel 28 absorbs heat through a waste heat recoverer air channel and then is sent to an air inlet 17 of the three-way pipe 6, and the heat recovery of the wet and hot waste gas is realized.
After the waste heat recovery device 27 is installed, the discharged damp and hot waste gas heats the entering cold fresh air into hot air through heat exchange, and the waste heat of the waste gas is utilized. The other structures are the same as the structure of the embodiment 1, and the other structures can be used by adjusting different working conditions by adjusting the valve 16 to be in the air inlet closing position A, the circulating air returning and air inlet position B and the circulating air returning closing position C, and the waste heat of the waste gas is recycled, so that more energy is saved.
The working principle of the valve of the application is as follows:
1. and (3) circulating air return state: referring to fig. 15, at this time, the rotary valve 16 is located at the wind inlet closing position a, the air inlet 17 of the three-wind tee 6 is closed, the air inlet 17 is closed, the flowing direction of the air flow in the dryer is shown by the arrow in the first figure, the moisture exhausting cover 5 is located at a position a under the combined action of gravity and negative pressure of the moisture exhausting cover 5 1 And the top of the exhaust tee joint 4 is closed, and the drying furnace does not exhaust air or intake air and is in circulating return air work.
2. And (3) closing a circulating air return state: referring to fig. 16, at this time, the valve 16 is rotated to close the circulating return air position C, the return air inlet 14 of the three-way valve 6 is closed, and the flowing direction of the air flow in the dryer is as shown in fig. twoThe arrow indicates that the exhaust volume of the exhaust tee joint 4 is maximum at the moment, and the exhaust wet cover 5 is in the position C with the maximum opening under the pushing of the maximum wind power 1 And the gas in the drying furnace is completely discharged outwards, and the state is a closed circulating air return state.
3. Circulating air return and air inlet states: referring to fig. 17, at this time, the valve 16 is located at the circulating air return and air intake position B, the air inlet 17 and the air return inlet 14 of the three-way valve 6 are both opened, the flowing direction of the air flow in the dryer is shown by the arrow in fig. three, at this time, because the air inlet 17 and the air return inlet 14 are both opened, the air coming out of the dryer is divided into two paths at the exhaust three-way valve 4, one path is communicated with the three-way valve 6, the other path is communicated with the atmosphere by the humidity discharging cover 5 with the opened air discharge amount, and the air discharge amount of the exhaust three-way valve 4 pushes the humidity discharging cover 5 to be located at position B 1 And part of the moisture-removing air returns through the air return pipe 3 to be recycled for the second time, and the moisture-removing, the air return and the air inlet are carried out simultaneously. The sizes of moisture removal, air return and air inlet are controlled by adjusting the rotation angle of the valve 16, so that a good drying state is achieved, and a good drying speed and a good drying effect are obtained.
In this state, the valve 16 is rotated to control the positions of the circulating return air and air inlet positions B, so that the humidity and return air and air inlet amounts can be controlled.
One end of the moisture exhaust cover 5 is hinged with the edge of the exhaust tee joint 4, the moisture exhausted from the oven 1 pushes the moisture exhaust cover 5 to be opened according to the air volume, and when the air volume is smaller than the maximum air volume, the moisture exhaust cover 5 can automatically fall to the air inlet B under the action of self gravity 1 After reaching equilibrium, the mixture is kept at B 1 Department, consequently, this application can utilize three wind three-way valve 6 to adjust air intake 17, return air entry 14 mixing ratio through adjusting valve 16's position for the hydrofuge mouth 11 exhaust amount of wind of exhaust tee bend 4 produces the change, and the position of the wet lid 5 is arranged in the amount of wind adjustment from this, and the linkage of two parts realizes jointly the utility model aims at.
The humidity discharging cover 5 is pushed to open by the discharged air volume, and the air volume discharged by the humidity discharging cover 5 is controlled through the valve 16, so that the push-open size of the humidity discharging cover 5 is controlled.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a high-efficient fruit vegetables drying-machine, includes oven (1), oven door (2), exhaust tee bend (4), return air duct (3), hot-blast furnace (8), its characterized in that: an air inlet of the hot blast stove (8) is connected with a mixed air outlet (15) of the three-air tee joint (6) through a communicating pipe (7), a return air inlet (14) of the three-air tee joint (6) is connected with the return air pipe (3), and an air inlet (17) of the three-air tee joint (6) is communicated with the atmosphere; a valve (16) is arranged at an air inlet (17) of the three-air tee joint (6), and the valve (16) is provided with an air inlet closing position A, a circulating air returning and air inlet position B and a circulating air returning closing position C; in the air inlet closing position A, the air inlet (17) is closed, and the return air of the return air pipe (3) is completely circulated back to the hot air furnace (8); in the circulating air return and air inlet positions B, an air inlet (17) and an air return inlet (14) are opened simultaneously, and mixed air of the air inlet (17) and an air return pipe (3) is sent into a regenerative air furnace (8); and at the closed circulating air return position C, the air return inlet (14) is closed, no air return exists after the air return pipe (3) is closed, and all the inlet air of the air inlet (17) is fed into the hot blast stove (8).
2. The high efficiency fruit and vegetable dryer of claim 1, wherein: the valve (16) is of a rotating structure, one end of the valve (16) is hinged to the three-wind tee joint (6) through a rotating shaft, and the rotating shaft is rotated to adjust the valve (16) to be in a corresponding working position.
3. The high-efficiency fruit and vegetable dryer according to claim 1, wherein: the return air pipe (3) is provided with a gas-water separator (10), and the separated gas is sent to a valve (16) through the gas-water separator (10).
4. The high efficiency fruit and vegetable dryer of claim 1, wherein: the air return pipe (3) is provided with a waste heat recoverer (27), and waste heat recovered by the waste heat recoverer (27) is connected with an air inlet (17) of the three-air tee joint (6) through a pipeline.
5. The high efficiency fruit and vegetable dryer of claim 1, wherein: and the exhaust port of the exhaust tee joint (4) is hinged with a moisture exhaust cover (5).
6. The high efficiency fruit and vegetable dryer of claim 5, wherein: one end of the moisture exhaust cover (5) is hinged with the edge of the exhaust tee joint (4).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220169938 | 2022-01-21 | ||
| CN2022201699386 | 2022-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218846676U true CN218846676U (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222621547.6U Active CN218846676U (en) | 2022-01-21 | 2022-10-08 | High-efficiency fruit and vegetable dryer |
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| Country | Link |
|---|---|
| CN (1) | CN218846676U (en) |
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2022
- 2022-10-08 CN CN202222621547.6U patent/CN218846676U/en active Active
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