CN111947417B - Energy-saving dry goods circulating hot air drying device - Google Patents

Energy-saving dry goods circulating hot air drying device Download PDF

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Publication number
CN111947417B
CN111947417B CN202010845254.9A CN202010845254A CN111947417B CN 111947417 B CN111947417 B CN 111947417B CN 202010845254 A CN202010845254 A CN 202010845254A CN 111947417 B CN111947417 B CN 111947417B
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air
communicated
hot air
chamber
hot
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CN111947417A (en
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方敏
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Fangjiapuzi Food Co ltd
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Fangjiapuzi Food Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/12Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
    • F26B11/14Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a horizontal or slightly-inclined plane
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001Drying-air generating units, e.g. movable, independent of drying enclosure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/02Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/04Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06Controlling, e.g. regulating, parameters of gas supply
    • F26B21/08Humidity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/02Applications of driving mechanisms, not covered by another subclass

Abstract

The invention relates to the technical field of food drying equipment, in particular to an energy-saving dry goods circulating hot air drying device, which comprises: the stirring tank is sealed, the axis is vertical, and the upper end and the lower end of the stirring tank are respectively provided with a feeding hole and a discharging hole; the hot air output end of the hot air generating chamber is communicated with the interior of the bottom end of the sealed stirring tank through a pipeline; the top end of the hot gas drying chamber is communicated with the inside of the top end of the sealed stirring tank through a pipeline, and the bottom end of the hot gas drying chamber is provided with a drain pipe communicated with the inside of the hot gas drying chamber; the input end of the air pump is communicated with the interior of the bottom end of the hot air drying chamber; the air inlet of the air purifying chamber is communicated with the output end of the air pump; the gas drying chamber, the air inlet just with air-purifying chamber gas outlet intercommunication gas drying chamber gas outlet and hot-blast generator input intercommunication, the device can cyclic utilization hot-blast, and work efficiency is high.

Description

Energy-saving dry goods circulating hot air drying device
Technical Field
The invention relates to the technical field of food drying equipment, in particular to an energy-saving type dry goods circulating hot air drying device.
Background
At present, traditional dry goods drying device single structure, put into traditional drying device portion back when the dry goods of required stoving, because of traditional drying device can't carry out the roll formula stoving to dry goods, lead to drying device to dry the local position of dry goods only, dry goods is whole can't effectively obtain even stoving promptly and handle, has influenced the efficiency that dry goods was dried in the intangible. And the drying device is a mechanical device for reducing the moisture of the materials by utilizing heat energy and is used for drying the objects. The drying device vaporizes and escapes moisture in the materials through heating so as to obtain solid materials with specified moisture content. The purpose of drying is that the material is needed during use or further processing. Present material drying device, simple structure, stoving effect is unsatisfactory, and the inside heat of drying device can not make full use of, causes drying efficiency low, and the defect that resource consumption is big can not satisfy the user demand.
Chinese patent CN201820172061.X discloses a material drying device comprising a primary drying device and a secondary drying device, wherein the primary drying device is arranged above the secondary drying device, the primary drying device is provided with a first air heater, a stirring device and a first discharge hole, the first air heater is arranged on the inner wall of the primary drying device, the stirring device is arranged in the primary drying device and can stir materials while drying, so that the drying efficiency is accelerated, the first discharge hole is formed in the lower end of the primary drying device and can convey the materials to the secondary drying device, the secondary drying device comprises a second feed hole, an inclined plate and a second air heater, the second feed hole is arranged above the secondary drying device, the first discharge hole is aligned with the second feed hole, the second air heater is arranged on the inner wall of the secondary drying device and can convey the materials in the primary drying device to the secondary drying device for secondary drying, the inclined plate is arranged in the secondary drying device, so that the materials can be dried layer by layer through the inclined plate.
The hot air of the device drying dry goods flows out at will to cause resource waste and can pollute the environment.
Disclosure of Invention
In order to solve the technical problem, the energy-saving dry goods circulating hot air drying device is provided, and the technical scheme solves the problem of hot air recycling of dry goods drying equipment.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the utility model provides an energy-saving dry goods circulation hot air drying device, including: the stirring tank is sealed, the axis is vertical, and the upper end and the lower end of the stirring tank are respectively provided with a feeding hole and a discharging hole; the hot air output end of the hot air generating chamber is communicated with the interior of the bottom end of the sealed stirring tank through a pipeline; the top end of the hot gas drying chamber is communicated with the inside of the top end of the sealed stirring tank through a pipeline, and the bottom end of the hot gas drying chamber is provided with a drain pipe communicated with the inside of the hot gas drying chamber; the input end of the air pump is communicated with the interior of the bottom end of the hot air drying chamber; the air inlet of the air purifying chamber is communicated with the output end of the air pump; and the air inlet of the air drying chamber is communicated with the air outlet of the air purifying chamber, and the air outlet of the air drying chamber is communicated with the input end of the hot air generating chamber.
Preferably, the sealed agitator tank comprises: the hot air drying device comprises a tank body, wherein the upper end and the lower end of the tank body are respectively provided with a channel for feeding and discharging, the bottom end and the top end of the tank body are respectively provided with an air injection port and an air outlet which are communicated with an air outlet of a hot air generating chamber and an air inlet of a hot air drying chamber, and the bottom end of the tank body is uniformly provided with upright legs which are convenient to vertically place along the axial direction; the shutter opening and closing device comprises a first shutter opening and closing device and a second shutter opening and closing device, wherein the opening and closing devices are respectively and coaxially arranged at the feeding position and the discharging position of the tank body; the working end of the stirrer is coaxially arranged in the tank body.
Preferably, the hot air generating chamber comprises: the two sides of the first sealing box are respectively provided with a first air inlet pipe and a first air outlet pipe which are communicated with the air injection port and the air outlet end of the air drying chamber; the output shaft of the first servo motor is coaxially arranged in the first sealing box towards the first air inlet pipe; the worm gear fan is coaxially and fixedly connected with the output shaft of the first servo motor, and in a working state, the output shaft of the first servo motor coaxially rotates to enable the worm gear fan rotating at a high speed to blow gas facing the first gas outlet pipe to the first gas inlet pipe; and the electric heating fence is arranged between the worm gear fan and the first air inlet pipe, and heats the air blown to the first air inlet pipe in a rotating manner under the working state.
Preferably, a screen mesh which is used for preventing dry goods from leaking and has a mesh size smaller than the volume of the dry goods is arranged at the communication position of the first air inlet pipe and the air injection port.
Preferably, the drain pipe is provided with a check valve for preventing external air from entering the inside of the hot air drying chamber due to negative pressure.
Preferably, the hot gas drying chamber further comprises: the top end of the cooling tank is communicated with the air outlet through a pipeline; the surrounding type condenser pipe and the one-way thread piece are coaxially and vertically arranged in the cooling tank, the bottom end of the surrounding type condenser pipe is communicated with cooling water, the top end of the surrounding type condenser pipe is communicated with the input end of a water pump, and the surrounding type condenser pipe and the one-way thread piece are coaxially surrounded; the water collecting tank is provided with an upward opening at the bottom of the drain pipe.
Preferably, the air purifying chamber comprises: a second air inlet pipe and a second air outlet pipe which are communicated with the output end of the air pump and the input end of the air drying chamber are respectively arranged at two sides of the second sealing box; the solvent is placed in the second sealing box, the second air inlet pipe is inserted in the solvent, and the second air outlet pipe is higher than the plane of the solvent.
Preferably, the gas drying chamber comprises: a third air inlet pipe and a third air outlet pipe which are communicated with the input end of the hot air generating chamber and the output end of the air purifying chamber are respectively arranged on two sides of the third seal box, and the horizontal plane of the third air inlet pipe is higher than that of the third air outlet pipe; the lime slabs are horizontally arranged in the third sealing box at equal intervals, and gaps which can allow gas to flow through exist between the opposite sides of the adjacent lime slabs and the inside of the third sealing box.
Preferably, transparent glass which is uniformly distributed along the axis and is convenient for workers to directly observe the drying effect is arranged on the circumferential surface of the tank body.
Preferably, the agitator comprises: the output shaft of the stirrer coaxially penetrates through the top end of the tank body; the stirring shaft is coaxially and fixedly connected with the output shaft of the stirrer, and the bottom end of the stirring shaft is rotatably arranged in the tank body through the stirring rod; the stirring rod coaxially surrounds the circumferential surface of the stirring shaft along a spiral step state.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, dry goods are stirred by the sealed stirring tank, so that the dry goods can be dried by circulating hot gas conveniently, and particularly, when the dry goods drying device works, the first shutter opener is opened, unprocessed dry goods are poured into the tank body through the feed inlet at the top end of the tank body, the stirrer is started, the working end of the stirrer rotates in the tank body, so that the dry goods are continuously stirred, the gas injection port is communicated with the output end of the hot gas generation chamber, so that the hot gas generation chamber outputs the hot gas to dry the dry goods, the dry goods are discharged into the hot gas drying chamber through the gas outlet to be processed, after the dry goods are stirred and dried for a period of time, the second shutter opener is opened, and the stirrer continues to stir, so that the dry goods can quickly fall from the bottom end of the tank body, and then are collected;
2. the hot air circulation is realized through the hot air generating chamber, the hot air drying chamber, the air pump, the air purifying chamber and the air drying chamber, specifically, the first servo motor, the electric heating fence and the air pump are synchronously started, so that the output shaft of the first servo motor drives the worm gear fan to rotate, the worm gear fan in a rotating state blows air to the electric heating fence to enable the air to become hot air to blow to the inside of the tank body, the hot air has low relative air density, and the hot air rises from the bottom end inside the tank body when the dry goods are repeatedly stirred by the stirrer, so that residual moisture in the dry goods is taken away; hot gas enters the drain pipe through a pipeline communicated with the drain pipe at the top end inside the sealed stirring tank, the air pump works, so that the hot gas moves downwards from the top end inside the drain pipe, in the process, when the hot gas dries dry goods, water vapor exists, the dry goods are not easy to directly circularly dry due to hot and humid gas, the hot gas needs to be condensed through the cooling tank communicated with the input end of the air pump, the water vapor is condensed into liquid state and then is discharged out of the water collecting tank through the drain pipe, the surrounding type condensation pipe and the one-way thread piece are coaxially and vertically arranged inside the cooling tank, the bottom end of the surrounding type condensation pipe is communicated with cooling water, the top end of the surrounding type condensation pipe is communicated with the input end of the water pump, the surrounding type condensation pipe and the one-way thread piece are coaxially surrounded, so that the hot and humid gas spirally sinks along the one-way thread piece, and the heat on the one-way thread piece is absorbed by the surrounding type condensation pipe, so that the water vapor in the hot and humid gas is rapidly condensed into liquid state and then discharged, thereby ensuring that the discharged gas is dry gas; the dry gas is guided by the air pump to enter the air purifying chamber, so that dust or other substances in the dry gas are dissolved and absorbed by the solvent, and then the purified gas is dried by the lime board, so that the gas entering the hot air generating chamber is ensured to be dry and clean, and then the dry and clean gas is heated by the hot air generating chamber and is guided to be blown into the sealed stirring tank, thereby realizing hot air circulation, improving the energy utilization rate and preventing the hot gas discharged from the sealed stirring tank from polluting the working environment;
3. according to the invention, high-speed blanking is realized through the stirrer, specifically, after dry goods in the sealed stirring tank are heated for a period of time, the first servo motor, the electric heating fence and the air pump are closed through observing the transparent glass, so that gas is not recycled, the second shutter opener is opened, so that the dry goods after being dried are discharged outwards through the blanking port under the action of gravity, and the working end of the stirrer is continuously stirred, so that the dry goods are not easy to form blockage in the sealed stirring tank and cannot be discharged from the blanking port.
Drawings
FIGS. 1 and 2 are perspective views of the present invention from two different perspectives, respectively;
FIG. 3 is a side view of the sealed agitator tank of the present invention;
FIG. 4 is a cross-sectional view at section A-A of FIG. 3;
FIG. 5 is a perspective view of the agitator shaft and agitator bar of the present invention;
FIG. 6 is an axial cross-sectional view of the hot air generation chamber of the present invention;
FIG. 7 is a perspective view of the cooling tank of the hot gas drying chamber of the present invention in a perspective view;
FIG. 8 is a schematic view showing the internal structure of the hot air drying chamber according to the present invention;
FIG. 9 is an axial cross-sectional view of a gas purge chamber of the present invention;
fig. 10 is an axial cross-sectional view of a gas drying chamber of the present invention.
Description of reference numerals:
1-sealing the stirring tank; 1 a-a tank body; 1a 1-gas injection port; 1a 2-outlet; 1a 3-footing; 1a 4-clear glass; 1 b-a first shutter opener; 1 c-a second shutter opener; 1 d-a stirrer; 1d 1-servomotor; 1d 2-stirring shaft; 1d 3-rotating seat; 1d 4-stirring bar;
2-a hot air generating chamber; 2 a-a first sealed cartridge; 2 b-a first inlet duct; 2 c-a first outlet duct; 2 d-a first servo motor; 2 e-a worm gear fan; 2 f-electric heating fence; 2 g-screen mesh;
3-hot air drying chamber; 3 a-a drain pipe; 3a 1-one-way valve; 3 b-a cooling tank; 3 c-a surrounding condenser tube; 3 d-unidirectional thread sheet; 3 e-a water collection tank;
4-an air pump;
5-air purification chamber; 5 a-a second sealed box; 5 b-a second inlet pipe; 5 c-a second air outlet pipe; 5 d-solvent;
6-a gas drying chamber; 6 a-a third seal box; 6 b-a third intake pipe; 6 c-a third outlet pipe; 6 d-lime board.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1, an energy-saving dry goods circulating hot air drying device comprises:
the stirring tank 1 is sealed, the axis is vertical, and the upper end and the lower end of the stirring tank are respectively provided with a feeding hole and a discharging hole;
the hot air output end of the hot air generating chamber 2 is communicated with the inside of the bottom end of the sealed stirring tank 1 through a pipeline;
the top end of the hot gas drying chamber 3 is communicated with the inside of the top end of the sealed stirring tank 1 through a pipeline, and the bottom end of the hot gas drying chamber 3 is provided with a drain pipe 3a communicated with the inside of the hot gas drying chamber;
the input end of the air pump 4 is communicated with the inside of the bottom end of the hot air drying chamber 3;
an air inlet of the air purifying chamber 5 is communicated with the output end of the air pump 4;
and the gas inlet of the gas drying chamber 6 is communicated with the gas outlet of the gas purifying chamber 5, and the gas outlet of the gas drying chamber 6 is communicated with the input end of the hot air generating chamber 2.
When the dry goods drying device works, unprocessed dry goods are poured into the sealed stirring tank 1 through the feeding port at the top end of the sealed stirring tank 1, the feeding port and the discharging port of the sealed stirring tank 1 are sealed relative to the inside of the sealed stirring tank, the stirring part of the sealed stirring tank 1 is started, the hot air generating chamber 2 and the air pump 4 are synchronously started, the hot air generating chamber 2 sends hot air and blows the hot air to the inside of the sealed stirring tank 1, the density of the hot air is lower than that of air, so that when the dry goods are repeatedly stirred at the stirring part of the sealed stirring tank 1, the hot air rises from the bottom end inside the sealed stirring tank 1, residual moisture in the dry goods is taken away, the hot air enters the hot air drying chamber 3 through a pipeline communicated with the hot air drying chamber 3 at the top end inside the sealed stirring tank 1, the air pump 4 works, the hot air moves downwards from the top end inside the hot air drying chamber 3, and in the process, the residual moisture in the hot air is condensed and discharged outwards through the water discharging pipe 3a, the dry gas is guided by the air pump 4 to enter the air purifying chamber 5, so that dust or other substances in the dry gas are dissolved and absorbed, the purified gas is dried by the gas drying chamber 6, the gas entering the hot air generating chamber 2 is ensured to be dry and clean, the dry and clean gas is heated by the hot air generating chamber 2 and is guided to be blown into the sealed stirring tank 1, hot air circulation is realized, the energy utilization rate is improved, and the hot air discharged from the sealed stirring tank 1 is prevented from polluting the working environment; treat that 1 inside dry goods of sealed agitator tank has heated an end time after, close hot-blast room 2 and air pump 4 that take place for gaseous no longer circulates, open 1 bottom discharge gate of sealed agitator tank, make the dry goods after the drying outwards discharge through the blanking mouth under the action of gravity, and 1 stirring portion of sealed agitator tank continuously stirs, can make dry goods be difficult for forming in 1 inside of sealed agitator tank and block and can't discharge from the blanking mouth.
As shown in fig. 3 and 4, the hermetically sealed agitator tank 1 includes:
the upper end and the lower end of the tank body 1a are respectively provided with a channel for feeding and discharging, the bottom end and the top end of the tank body 1a are respectively provided with a gas injection port 1a1 and a gas outlet 1a2 which are communicated with a gas outlet of the hot air generating chamber 2 and a gas inlet of the hot air drying chamber 3, and the bottom end of the tank body 1a is uniformly and axially provided with stand feet 1a3 which are convenient to vertically place;
the shutter opening and closing device comprises a first shutter opening and closing device 1b and a second shutter opening and closing device 1c, wherein the opening and closing devices are respectively and coaxially arranged at the feeding position and the discharging position of the tank body 1 a;
the working end of the stirrer 1d is coaxially arranged inside the tank body 1 a.
The first shutter release 1b and the second shutter release 1c are shutter locking structures, and the working ends can be freely opened and closed; during operation, open first shutter opening and closing ware 1b, pour untreated dry goods into jar body 1a through jar body 1a top feed inlet, start agitator 1d, make its working end at jar body 1a9 inside rotation, thereby constantly stir dry goods, and gas injection mouth 1a1 intercommunication hot-blast room 2 output that takes place, thereby make hot-blast dry goods of taking place 2 output, thereby rethread gas outlet 1a2 is to the discharge retreatment in hot-gas drying chamber 3, after stirring and drying a period, open second shutter opening and closing ware 1c, agitator 1d continues the stirring simultaneously, thereby make dry goods fall down from jar body 1a bottom fast, thereby collect again.
As shown in fig. 6, the hot air generating chamber 2 includes:
a first air inlet pipe 2b and a first air outlet pipe 2c which are respectively communicated with the air outlet ends of the air injection port 1a1 and the air drying chamber 6 are arranged at two sides of the first seal box 2 a;
the output shaft of the first servo motor 2d is coaxially arranged in the first sealing box 2a towards the first air inlet pipe 2 b;
the worm gear fan 2e is coaxially and fixedly connected with an output shaft of the first servo motor 2d, and in a working state, the output shaft of the first servo motor 2d coaxially rotates to enable the worm gear fan 2e rotating at a high speed to blow the gas facing the first gas outlet pipe 2c to the first gas inlet pipe 2 b;
and the electric heating fence 2f is arranged between the worm fan 2e and the first air inlet pipe 2b, and in a working state, the electric heating fence 2f heats the air blown to the first air inlet pipe 2b in a rotating mode.
First seal box 2a is sealed relatively, start first servo motor 2d and make its output shaft drive worm wheel fan 2e high-speed rotatory, thereby make worm wheel fan 2e under the rotation state take 6 output end gases in gaseous drying chamber out through first outlet duct 2c and arrange to first intake pipe 2b, and gaseous electric heat fence 2f through the high temperature state, thereby make hot-blast inside first outlet duct 2c gets into sealed agitator tank 1, thereby be convenient for dry goods are dried, thereby realize circulation hot air drying.
As shown in fig. 6, a screen 2g having a mesh smaller than the volume of the dry cargo for preventing the dry cargo from leaking is provided at a position where the first gas inlet pipe 2b communicates with the gas injection port 1a 1.
The screen 2g prevents dry goods from entering the first sealing box 2a from the gas injection port 1a1 in the sealed agitator tank 1 and prevents the dry goods from leaking, and the screen 2g is smaller than the dry goods volume and does not influence hot air entering the sealed agitator tank 1 while ensuring that the dry goods cannot move to the inside of the first sealing box 2 a.
As shown in fig. 7, the drain pipe 3a is provided with a check valve 3a1 for preventing outside air from entering the inside of the hot air drying chamber 3 due to a negative pressure.
The check valve 3a1 is used to prevent the external air from entering the hot air drying chamber 3 due to the negative pressure inside the drain pipe 3a, thereby causing heat loss and wasting resources.
As shown in fig. 7 and 8, the hot air drying chamber 3 further includes:
the top end of the cooling tank 3b is communicated with the air outlet 1a2 through a pipeline;
the surrounding type condensation pipe 3c and the one-way thread piece 3d are coaxially and vertically arranged inside the cooling tank 3b, the bottom end of the surrounding type condensation pipe 3c is communicated with cooling water, the top end of the surrounding type condensation pipe is communicated with the input end of a water pump, and the surrounding type condensation pipe 3c and the one-way thread piece 3d are coaxially surrounded;
and the water collecting tank 3e is provided with an opening facing upwards at the bottom of the drain pipe 3 a.
Can have vapor after the dry goods of steam drying, dry goods at the difficult direct cycle of damp and hot gas, need carry out condensation treatment with it through cooling tank 3b with air pump 4 input intercommunication for the vapor condensation is liquid, discharges outward in water header 3e via drain pipe 3a again, and surrounding type condenser pipe 3c and the equal coaxial vertical setting of one-way thread piece 3d are inside cooling tank 3b, just surrounding type condenser pipe 3c bottom intercommunication cooling water, top intercommunication water pump input, surrounding type condenser pipe 3c and the coaxial encirclement of one-way thread piece 3d, thereby make damp and hot gas along one-way thread piece 3d spiral sink, and surrounding type condenser pipe 3c is with the heat absorption on one-way thread piece 3d, make the rapid condensation of vapor in the damp and hot gas become liquid and get rid of again, thereby ensure that the combustion gas is dry gas.
As shown in fig. 9, the air-purifying chamber 5 includes:
a second air inlet pipe 5b and a second air outlet pipe 5c which are communicated with the output end of the air pump 4 and the input end of the air drying chamber 6 are respectively arranged at two sides of the second sealing box 5 a;
and the solvent 5d is placed in the second sealing box 5a, the second air inlet pipe 5b is inserted in the solvent 5d, and the second air outlet pipe 5c is higher than the plane of the solvent 5 d.
The gas discharged from the outlet of the hot gas drying chamber 3, which contains dust or other impurities, is guided into the second sealed box 5a containing the solvent 5d through the second gas inlet pipe 5b, so that the dust or other impurities are dissolved in the solvent 5d, thereby ensuring that clean gas is discharged into the gas drying chamber 6 through the second gas outlet pipe 5 c.
As shown in fig. 10, the gas drying chamber 6 includes:
a third air inlet pipe 6b and a third air outlet pipe 6c which are communicated with the input end of the hot air generating chamber 2 and the output end of the air purifying chamber 5 are respectively arranged at two sides of the third seal box 6a, and the horizontal plane of the third air inlet pipe 6b is higher than that of the third air outlet pipe 6 c;
the lime boards 6d are horizontally arranged in the third seal box 6a at equal intervals, and gaps for gas to flow are formed between the opposite sides of the adjacent lime boards 6d and the inside of the third seal box 6 a.
The clean gas discharged from the clean gas chamber 5 contains part of water vapor, and is guided into a third seal box 6a provided with lime boards 6d through a third gas outlet pipe 6c, and a gap for gas to flow exists between the opposite side of the adjacent lime board 6d and the inside of the third seal box 6a, so that the gas circularly rises in the third seal box 6a, the lime boards 6d absorb the water vapor, and clean and dry gas is discharged into the hot wind generating chamber 2 through a third gas inlet pipe 6 b.
As shown in FIG. 4, transparent glasses 1a4 which are uniformly distributed along the axis and are convenient for the worker to directly observe the drying effect are arranged on the circumferential surface of the tank body 1 a.
The transparent glass 1a4 is convenient for the staff direct observation jar body 1a inside dry goods stoving effect to be convenient for control drying time.
As shown in fig. 4 and 5, the agitator 1d includes:
an output shaft of the stirrer 1d coaxially penetrates through the top end of the tank body 1 a;
the stirring shaft 1d2 is coaxially and fixedly connected with the output shaft of the stirrer 1d, and the bottom end of the stirring shaft is rotatably arranged in the tank body 1a through a stirring rod 1d 4;
the stirring rod 1d4 coaxially surrounds the stirring shaft 1d2 in a spiral step state.
The servo motor 1d1 is started, the output shaft thereof drives the stirring shaft 1d2 to coaxially rotate in the tank body 1a through the rotating seat 1d3, and the stirring rod 1d4 coaxially surrounds the circumferential surface of the stirring shaft 1d2 along the spiral step state, so that when the stirring shaft 1d2 rotates forwards, the stirring rod 1d4 in the rotating state continuously stirs the dry goods at the bottom layer of the tank body 1a upwards, and is convenient for drying, and when the stirring shaft 1d2 rotates backwards, the stirring rod 1d4 in the rotating state can quickly discharge the dry goods in the tank body 1a out of the tank body 1a, and is convenient for collecting the dry goods.
The working principle of the invention is as follows:
the device realizes the functions of the invention through the following steps, thereby solving the technical problems provided by the invention:
the method comprises the following steps: pouring unprocessed dry goods into the tank body 1a through a feeding port at the top end of the tank body 1a, closing the first shutter opener 1b and the second shutter opener 1c to seal the interior of the tank body 1a, starting the servo motor 1d1, and enabling an output shaft of the servo motor to drive the stirring shaft 1d2 to coaxially rotate in the tank body 1a, so that the stirring shaft 1d4 continuously stirs the dry goods;
step two: the first servo motor 2d, the electric heating fence 2f and the air pump 4 are synchronously started, so that the output shaft of the first servo motor 2d drives the worm gear fan 2e to rotate, the worm gear fan 2e in a rotating state blows air to the electric heating fence 2f to change the air into hot air to blow to the inside of the tank body 1a, the density of the hot air is low relative to that of air, and therefore when the stirrer 1d repeatedly stirs dry goods, the hot air rises from the bottom end inside the tank body 1a, and residual moisture in the dry goods is taken away;
step three: hot air enters the drain pipe 3a through a pipeline communicated with the drain pipe 3a at the top end inside the sealed stirring tank 1, the air pump 4 works, so that the hot air moves downwards from the top end inside the drain pipe 3a, and in the process, moisture remained in the hot air is condensed by the cooling tank 3b and the surrounding type condensing pipe 3c and is discharged outwards through the drain pipe 3a, so that dry air is obtained;
step four: the dried gas is guided by the air pump 4 to enter the air purifying chamber 5, so that dust or other substances in the dried gas are dissolved and absorbed by the solvent 5d, and then the purified gas is dried by the lime board 6d, so that the gas entering the hot air generating chamber 2 is ensured to be dry and clean, and then the dry and clean gas is heated by the hot air generating chamber 2 and is guided to be blown into the sealed stirring tank 1, thereby realizing hot air circulation, improving the energy utilization rate and preventing hot gas discharged from the sealed stirring tank 1 from polluting the working environment;
step five: treat that the inside dry goods of sealed agitator tank 1 have heated an end time after, through observing transparent glass 1a4, close first servo motor 2d, electric heat fence 2f and air pump 4 for gaseous no longer circulates, open second shutter switching device 1c, make the dry goods after the drying outwards discharge through the blanking mouth under the action of gravity, and agitator 1d work end continues the stirring, can make dry goods be difficult for forming in sealed agitator tank 1 and block and can't discharge from the blanking mouth.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides an energy-saving dry goods circulation hot air drying device which characterized in that, including:
the stirring tank (1) is sealed, the axis is vertical, and the upper end and the lower end of the stirring tank are respectively provided with a feeding hole and a discharging hole;
the hot air output end of the hot air generating chamber (2) is communicated with the inside of the bottom end of the sealed stirring tank (1) through a pipeline;
the top end of the hot gas drying chamber (3) is communicated with the inside of the top end of the sealed stirring tank (1) through a pipeline, and a drain pipe (3 a) communicated with the inside of the hot gas drying chamber is arranged at the bottom end of the hot gas drying chamber (3);
the input end of the air pump (4) is communicated with the inside of the bottom end of the hot air drying chamber (3);
the air inlet of the air purifying chamber (5) is communicated with the output end of the air pump (4);
the air inlet of the air drying chamber (6) is communicated with the air outlet of the air purifying chamber (5), and the air outlet of the air drying chamber (6) is communicated with the input end of the hot air generating chamber (2);
the hot air drying chamber (3) also comprises:
the top end of the cooling tank (3 b) is communicated with the air outlet (1 a 2) through a pipeline;
the surrounding type condensation pipe (3 c) and the one-way thread piece (3 d) are coaxially and vertically arranged inside the cooling tank (3 b), the bottom end of the surrounding type condensation pipe (3 c) is communicated with cooling water, the top end of the surrounding type condensation pipe is communicated with the input end of a water pump, and the surrounding type condensation pipe (3 c) and the one-way thread piece (3 d) are coaxially surrounded;
the water collecting tank (3 e) is provided with an upward opening at the bottom of the drain pipe (3 a).
2. The energy-saving dry goods circulating hot air drying device according to claim 1, wherein the sealed stirring tank (1) comprises:
the hot air drying device comprises a tank body (1 a), wherein the upper end and the lower end of the tank body (1 a) are respectively provided with a channel for feeding and discharging materials, the bottom end and the top end of the tank body (1 a) are respectively provided with an air injection port (1 a 1) and an air outlet (1 a 2) which are communicated with an air outlet of a hot air generating chamber (2) and an air inlet of a hot air drying chamber (3), and the bottom end of the tank body (1 a) is uniformly and axially provided with upright legs (1 a 3) which are convenient to vertically place;
the automatic feeding device comprises a first shutter opener (1 b) and a second shutter opener (1 c), wherein the shutters are respectively and coaxially arranged at the feeding position and the discharging position of a tank body (1 a);
and the working end of the stirrer (1 d) is coaxially arranged in the tank body (1 a).
3. The energy-saving dry goods circulating hot air drying device according to claim 1, wherein the hot air generating chamber (2) comprises:
a first air inlet pipe (2 b) and a first air outlet pipe (2 c) which are respectively communicated with the air injection port (1 a 1) and the air outlet end of the air drying chamber (6) are arranged on two sides of the first sealing box (2 a);
the output shaft of the first servo motor (2 d) is coaxially arranged in the first sealing box (2 a) towards the first air inlet pipe (2 b);
the worm gear fan (2 e) is coaxially and fixedly connected with an output shaft of the first servo motor (2 d), and in a working state, the output shaft of the first servo motor (2 d) coaxially rotates to enable the worm gear fan (2 e) rotating at a high speed to blow gas facing the first air outlet pipe (2 c) to the first air inlet pipe (2 b);
and the electric heating fence (2 f) is arranged between the worm gear fan (2 e) and the first air inlet pipe (2 b), and in a working state, the electric heating fence (2 f) heats the air blown to the first air inlet pipe (2 b) in a rotating mode.
4. The energy-saving type dry goods circulating hot air drying device according to claim 1, wherein a screen (2 g) for preventing dry goods from leaking and having a mesh size smaller than the volume of the dry goods is arranged at a position where the first air inlet pipe (2 b) is communicated with the air injection port (1 a 1).
5. The energy-saving type dry goods circulating hot air drying device according to claim 1, wherein the drain pipe (3 a) is provided with a check valve (3 a 1) for preventing external air from entering the inside of the hot air drying chamber (3) due to negative pressure.
6. The energy-saving type dry goods circulating hot air drying device according to claim 1, wherein the air purifying chamber (5) comprises:
a second air inlet pipe (5 b) and a second air outlet pipe (5 c) which are communicated with the output end of the air pump (4) and the input end of the air drying chamber (6) are respectively arranged at two sides of the second sealing box (5 a);
the solvent (5 d) is placed in the second sealing box (5 a), the second air inlet pipe (5 b) is inserted into the solvent (5 d), and the second air outlet pipe (5 c) is higher than the plane of the solvent (5 d).
7. The energy-saving type dry goods circulating hot air drying device according to claim 1, wherein the gas drying chamber (6) comprises:
a third air inlet pipe (6 b) and a third air outlet pipe (6 c) which are communicated with the input end of the hot air generating chamber (2) and the output end of the air purifying chamber (5) are respectively arranged at two sides of a third seal box (6 a), and the horizontal plane of the third air inlet pipe (6 b) is higher than that of the third air outlet pipe (6 c);
the lime boards (6 d) are horizontally arranged in the third seal box (6 a) at equal intervals, and gaps for gas to flow through exist between the opposite sides of the adjacent lime boards (6 d) and the inside of the third seal box (6 a).
8. The energy-saving dry goods circulating hot air drying device according to claim 2, characterized in that transparent glass (1 a 4) which is uniformly distributed along the axis and is convenient for the staff to directly observe the drying effect is arranged on the circumferential surface of the tank body (1 a).
9. The energy-saving type dry goods circulating hot air drying device according to claim 2, wherein the agitator (1 d) comprises:
the output shaft of the stirrer (1 d) coaxially penetrates through the top end of the tank body (1 a);
the stirring shaft (1 d 2) is coaxially and fixedly connected with the output shaft of the stirrer (1 d), and the bottom end of the stirring shaft is rotatably arranged in the tank body (1 a) through a stirring rod (1 d 4);
the stirring rod (1 d 4) coaxially surrounds the circumferential surface of the stirring shaft (1 d 2) along a spiral step state.
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