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CN110081672B - Dried tofu drying and cooling equipment - Google Patents

Dried tofu drying and cooling equipment Download PDF

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Publication number
CN110081672B
CN110081672B CN201910362868.9A CN201910362868A CN110081672B CN 110081672 B CN110081672 B CN 110081672B CN 201910362868 A CN201910362868 A CN 201910362868A CN 110081672 B CN110081672 B CN 110081672B
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China
Prior art keywords
drying
dried tofu
water
tank
piston
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CN201910362868.9A
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CN110081672A (en
Inventor
候杰
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Chongqing Haodixiong Food Co ltd
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Chongqing Haodixiong Food Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D1/00—Devices using naturally cold air or cold water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D1/00—Devices using naturally cold air or cold water
    • F25D1/02—Devices using naturally cold air or cold water using naturally cold water, e.g. household tap water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/12—Machines 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
    • F26B11/16—Machines 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 vertical or steeply-inclined plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/001—Handling, e.g. loading or unloading arrangements
    • F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/02—Applications of driving mechanisms, not covered by another subclass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/04—Agitating, stirring, or scraping devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/04—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour circulating over or surrounding the materials or objects to be dried
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/02—Drying solid materials or objects by processes not involving the application of heat by using ultrasonic vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
    • F26B5/041—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum for drying flowable materials, e.g. suspensions, bulk goods, in a continuous operation, e.g. with locks or other air tight arrangements for charging/discharging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/16—Drying solid materials or objects by processes not involving the application of heat by contact with sorbent bodies, e.g. absorbent mould; by admixture with sorbent materials

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microbiology (AREA)
  • Beans For Foods Or Fodder (AREA)

Abstract

The invention belongs to the field of food processing, and particularly discloses dried tofu drying and cooling equipment, wherein a plurality of draining holes are formed in the bottom of a drying tank, a driving shaft and a driven shaft are rotationally connected in the drying tank, a conveying belt for transmission is sleeved between the driving shaft and the driven shaft, and a plurality of partition plates are uniformly distributed on the outer side of the conveying belt along the circumferential direction; the side wall of the drying groove is uniformly provided with a plurality of atomizing nozzles along the circumferential direction, and the drying groove also comprises a cooling water tank for supplying water to the atomizing nozzles; and a fan is arranged above the drying groove. By adopting the scheme of the invention, the cleaned dried tofu can be dried, and the temperature reduction of the dried tofu is further realized.

Description

Dried tofu drying and cooling equipment
Technical Field
The invention belongs to the field of food processing, and particularly relates to dried bean curd drying and cooling equipment.
Background
The dried bean curd is a common name of dried bean curd, is a processed product of the bean curd, is fresh, fragrant and tasty, is tough in hardness and cannot be damaged after being stored for a long time. The dried bean curd is produced by using soybean as raw material and through the processes of soaking, grinding, pulping, solidifying, squeezing and the like. The wrapping bag need be used to pack after the high temperature disinfection to the dried tofu that has processed, because the dried tofu can produce more soybean oil in the course of working, when the packing, the wrapping bag surface can the more soybean oil of adhesion unavoidably, consequently, need wash the deoiling with the dried tofu that has packed, also can utilize water-cooled mode to carry out preliminary cooling to the dried tofu through high temperature disinfection when wasing in addition, need dry the dried tofu after the washing, but often wash the time to the cooling effect of dried tofu not ideal, the dried tofu inside still has higher temperature.
Among the prior art, when wasing, can drop into a large amount of dried tofu and wash in the washing tank, wash the dried tofu that accomplishes the back and take out in the washing tank and carry out the drying, because the inside temperature of dried tofu still higher problem needs to be considered, consequently the mode that can not use the intensification carries out dewatering drying, and prior art generally spreads the dried tofu out and dries in the air naturally and carry out the drying, and the in-process of drying in the air at the dried tofu stand also has certain cooling effect, but the efficiency of drying and cooling is all lower.
Disclosure of Invention
The invention aims to provide dried tofu drying and cooling equipment to solve the problem that drying efficiency of spread dried tofu is low.
In order to achieve the purpose, the basic scheme of the invention is as follows: the dried tofu drying and cooling equipment is carried out in a drying groove, a plurality of draining holes are formed in the bottom of the drying groove, a driving shaft and a driven shaft are rotationally connected in the drying groove, a conveying belt for transmission is sleeved between the driving shaft and the driven shaft, and a plurality of partition plates are uniformly distributed on the outer side of the conveying belt along the circumferential direction; the side wall of the drying groove is provided with a plurality of atomizing nozzles, and the drying groove also comprises a cooling water tank for supplying water to the atomizing nozzles; a fan is arranged above the drying groove, and an ultrasonic generator is arranged on the bottom wall or the side wall of the drying groove.
The theory of operation and the beneficial effect of this basic scheme lie in:
1. the dried tofu that will wash the completion drops into the drying tank in, because wash the completion back, must carry more moisture on the dried tofu, sets up the waterlogging caused by excessive rainfall hole, can drip out partial moisture. Meanwhile, an ultrasonic generator is arranged, so that moisture is atomized (similar to an ultrasonic atomizer) under the action of ultrasonic waves, evaporation of the moisture is accelerated, and drying efficiency is improved; meanwhile, the water is quickly evaporated to absorb heat, so that the temperature in the whole drying tank is reduced.
2. In the drying process, the drive driving shaft rotates, the driving shaft passes through the conveyer belt and drives the driven shaft rotation, the baffle is along with the drive belt motion, baffle transverse motion in the drying tank promptly, the baffle that is located the drying tank downside when transverse motion, drive the motion of the accumulational dried tofu in drying tank bottom, because moisture has on the dried tofu, adjacent dried tofu adhesion is together and difficult drying very easily, set up the baffle and mix the dried tofu to a certain extent, it is difficult to the drying to avoid the dried tofu to pile up the partial dried tofu that leads to.
3. When the baffle moves to the drying bath upside from the washing tank downside, the baffle can take some dried tofu to the baffle on, set up the polylith baffle, can make the baffle take the dried tofu as much as possible, make the dried tofu all be located the drying bath upside, and the partition through the baffle, the dried tofu between the adjacent baffle all is less dispersion, through the setting of fan, the fan blows the dried tofu through its below, flow through the air current further accelerates the drying, utilize simultaneously to divide cold further to cool off the dried tofu.
4. When the baffle drives the dried tofu and moves to the drying trough downside from the drying trough upside, throw out the dispersion of dried tofu downwards, pass through atomizer blowout spraying this moment, in conventional drying technology, can not increase humidity through the spraying, but in this application, because the inside higher temperature that has of dried tofu, though this kind of temperature can't make the water droplet evaporation, but the dried tofu thrown out this moment is dispersion in the air, the hydrone after the atomizing is bigger with the contact surface of dried tofu, the contact is more abundant, can be faster evaporate behind the absorbed heat, reduce the temperature of dried tofu. And the spray can be blocked by the conveyor belt or the partition plate less when escaping, and the spray can be prevented from condensing and increasing moisture to a certain extent.
5. After the drying is accomplished, when needing to take out the dried tofu, utilize the conveyer belt also to conveniently transport the dried tofu to the drying tank upside to make things convenient for operating personnel to take out the dried tofu, even less dried tofu is remained to the drying tank bottom, also accessible make conveyer belt multi-motion round or artifical the taking out, the dried tofu receives the baffle influence to all pile up in one side of drying tank this moment, operating personnel only need take out less dried tofu in this side of drying tank can, operating personnel's the amount of labour has been reduced, the convenience has been improved.
Further, a piston barrel positioned above the drying groove is fixed on the rack, a piston is connected in the piston barrel in a transverse sliding mode, the piston divides the piston barrel into an air cavity and a water cavity, a piston rod is fixed on the piston, and a driving piece for driving the piston rod to transversely slide is fixed on the rack; an air inlet hole and an air outlet hole are arranged on the end surface of the piston barrel close to one side of the air cavity, an air inlet one-way valve is arranged in the air inlet hole, an air outlet one-way valve is arranged in the air outlet hole, and the air outlet hole is communicated with the lower part of the drying groove through an air outlet pipe; the end face of the piston barrel, which is close to one side of the water cavity, is provided with a water inlet hole and a water outlet hole, a water inlet check valve is arranged in the water inlet hole, a water outlet check valve is arranged in the water outlet hole, the water inlet hole is communicated with the cooling water tank, and the water outlet hole is communicated with the atomizing nozzle.
Has the advantages that: the piston moves towards one side close to the air cavity, the space in the air cavity is reduced, the air pressure is increased, the air in the air cavity is discharged into the drying groove, and the dried tofu is blown to overturn to a certain degree, so that the drying is accelerated. At the moment, the space of the water cavity is increased, the pressure intensity is reduced, and water flow in the water storage tank is pumped into the water cavity. When the dried tofu moves to the upper side of the drying groove along with the partition plate, the piston moves towards one side close to the water cavity, the space in the water cavity is reduced, the pressure is increased, and the clear water in the water cavity is sprayed out through the atomizing nozzle.
Furthermore, the air outlet pipe comprises a plurality of air outlet branch pipes which are respectively and uniformly distributed at the lower part of the side wall of the drying tank and communicated with the inside of the drying tank.
Has the advantages that: gas enters the drying groove from a plurality of directions of the side wall of the drying groove, acts on the dried tofu from a plurality of directions, blows the dried tofu to overturn, accelerates drying, and simultaneously assists cooling of the dried tofu.
Furthermore, the bottom of the side wall of the drying groove is provided with an inclined flow guide part.
Has the advantages that: when the dried tofu moves to be close to the side wall of the drying groove along with the partition plate, a large amount of dried tofu is accumulated at the position close to the flow guide part, but the partition plate cannot bring the dried tofu all at one time, and the dried tofu which is not taken up slides back to the bottom of the drying groove along the flow guide part and can be taken up by the next partition plate.
Furthermore, the drying groove is located on the inner side of the conveyor belt and is rotatably connected with a cam shaft, the cam shaft is parallel to the axis of the driving shaft, a cam is fixed on the cam shaft, and the outer wall of the cam is abutted to the inner side of the conveyor belt.
Has the advantages that: in one aspect, the cam may tension the conveyor belt; on the other hand, in the rotating process of the cam, the upper part or the lower part of the conveyor belt can be provided with certain bulges, namely the intermittent bulges of the conveyor belt, when the bulges are formed on the upper part of the conveyor belt, the dried tofu on the conveyor belt passing through the bulges is jacked to be further dispersed, and can be better contacted with air flow to be dried; when the conveyer belt lower part formed protruding, the baffle through protruding department was pushed up and is moved downstream, and the interval of baffle lower extreme and drying trough bottom reduces, stirs the dried tofu of drying trough bottom that can be better for the dried tofu dispersion.
Further, the cam includes disk portion and bellying, and the radius of driving shaft, disk portion and driven shaft increases in proper order, and the rotation center of driving shaft, disk portion and driven shaft is located same horizontal line, and the partition plate size is all unanimous.
Has the advantages that: by the arrangement, the upper side and the lower side of the conveyor belt are inclined, the upper side of the conveyor belt is inclined, and dried tofu brought to the upper side of the conveyor belt slides on the inclined surface of the conveyor belt to be further dispersed; conveyer belt downside slope for the lower extreme of different baffles is different with the interval of drying trough bottom, and the baffle can be stirred the dried tofu of the different layers in drying trough bottom promptly, further avoids the dried tofu to receive moisture to influence the adhesion and be in the same place.
Further, the driven shaft is located the drying trough and is close to water conservancy diversion portion one side.
Has the advantages that: because the outer diameter of the driven shaft is large, the distance between the partition plate which moves to one side close to the driven shaft and the bottom of the drying tank is minimum, at the moment, when the partition plate is turned upwards, the dried tofu at the position can be brought up to the maximum, and when the dried tofu is taken out, the residual dried tofu quantity at the bottom of the drying tank is reduced.
Further, the radius of the boss is larger than that of the driven shaft.
Has the advantages that: when bellying and conveyer belt inboard offset, the conveyer belt incline direction of bellying both sides is different, can be so that the baffle more extensive stir the dried tofu, or make the dried tofu slip direction change on the conveyer belt, better dispersion.
Furthermore, the draining holes are communicated with water draining pipes, all the water draining pipes are communicated together to form a main pipe, and the main pipe is communicated with a negative pressure pump.
Has the advantages that: through the pumping of negative pressure pump, can take out the residual moisture on the dried tofu in the washing tank for the drying of dried tofu.
Further, the surface of the partition board is sleeved with a sponge sleeve, and the sponge sleeve is bonded on the partition board.
Has the advantages that: when the separator is used for stirring the dried tofu, the residual moisture on the dried tofu can be absorbed by the sponge sleeve. The atomized water droplets are absorbed by the partition even if they condense on the partition.
Drawings
FIG. 1 is a front cross-sectional view of an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the drying device comprises a drying groove 1, a flow guide part 2, a driving shaft 3, a driven shaft 4, a cam shaft 5, a cam 6, a conveyor belt 7, a partition plate 8, an air cavity 9, a water cavity 10, a piston 11, a piston rod 12, a water inlet pipe 13, a water outlet pipe 14, an atomizing nozzle 15, an air outlet pipe 16, an air outlet branch pipe 17 and a fan 18.
The embodiment is basically as shown in the attached figure 1: dried tofu drying and cooling equipment, including drying tank 1, drying tank 1 bottom is equipped with a plurality of waterlogging caused by excessive rainfall holes, and the waterlogging caused by excessive rainfall hole all communicates has the bleeder, and all bleeder all communicate and form the house steward together, and the house steward intercommunication has the negative pressure pump. An ultrasonic generator is arranged at the lower part of the side wall of the drying tank 1. A fan 18 is mounted on the frame at the upper side of the drying tub 1.
A driving shaft 3, a camshaft 5 and a driven shaft 4 are sequentially connected in the drying groove 1 in a rotating mode from left to right, and the rotating centers of the driving shaft 3, the camshaft 5 and the driven shaft 4 are all located on the same transverse line. The cam shaft 5 is fixed with a cam 6, the cam 6 comprises a disk part and a convex part, and the radiuses of the driving shaft 3, the disk part, the driven shaft 4 and the convex part are increased in sequence. The driving shaft 3, the cam 6 and the driven shaft 4 are sleeved with a conveyor belt 7 for transmission, the protruding part is positioned at the lower side in the state shown in fig. 1, at the moment, the upper side of the conveyor belt 7 is inclined downwards at the left end, the left half part of the lower side of the conveyor belt 7 is inclined upwards at the left end, and the right half part of the lower side of the conveyor belt 7 is inclined upwards at the right end, namely, the lower side of the conveyor belt 7 forms a protrusion at the cam 6.
The outside of the conveyor belt 7 is provided with a silica gel layer, and when the humidity in the drying groove 1 is high, the silica gel layer can absorb atomized water drops. The conveyer belt 7 outside is followed circumference equipartition and is had a plurality of baffles 8, and baffle 8's size is all unanimous, and baffle 8's length, width, height size are all unanimous promptly. The surface of the clapboard 8 is sleeved with a sponge sleeve which is bonded on the clapboard 8. The driving shaft 3 penetrates through the side wall of the drying groove 1 and extends to the outside of the drying groove 1, a motor is fixed on the rack, and an output shaft of the motor is fixed with the driving shaft 3. The bottom of the right side wall of the drying groove 1 is provided with an inclined flow guide part 2.
Be fixed with the piston bucket in the frame, the piston bucket both ends all seal, and horizontal sliding connection has piston 11 in the piston bucket, and left water cavity 10 and right side air cavity 9 are cut apart into with the piston bucket to piston 11, and the piston 11 left end is fixed with piston rod 12, is fixed with the cylinder in the frame, and the output shaft of cylinder and piston rod 12 left end are fixed. The piston bucket right-hand member is equipped with inlet port and venthole, install the check valve that admits air in the inlet port, when the air pressure reduces in air cavity 9, the air cavity 9 is gone into in the supplementary income air cavity of outside air accessible check valve that admits air, install the check valve that gives vent to anger in the venthole, when the air pressure increase in air cavity 9, the gas in air cavity 9 is discharged through the check valve that gives vent to anger, the venthole intercommunication has the outlet duct, the outlet duct includes a plurality of branch pipes of giving vent to anger, the branch pipe of giving vent to anger equipartition respectively at.
The left end of the piston barrel is provided with a water inlet hole and a water outlet hole, a water inlet check valve is installed in the water inlet hole, when the pressure in the water cavity 10 is reduced, the water cavity 10 extracts external clear water through the water inlet check valve to enter the water cavity 10, a water outlet check valve is installed in the water outlet hole, and when the pressure in the water cavity 10 is increased, water in the water cavity 10 is discharged through the water outlet check valve. A water storage tank for storing clear water is fixed on the frame, and a water inlet pipe 13 is communicated between the water inlet hole and the water storage tank. The water outlet hole is communicated with a horizontal water outlet pipe 14, the water outlet pipe 14 comprises a plurality of water outlet branch pipes, the water outlet branch pipes are all communicated with the upper portion of the left side wall of the drying groove 1, and the end portions, located in the drying groove 1, of the water outlet branch pipes are all communicated with an atomizing nozzle 15.
The specific implementation process is as follows:
the dried tofu after being cleaned is thrown into the drying groove 1, more moisture is carried on the dried tofu inevitably, the negative pressure pump is started, and partial moisture can be drained out through the water draining holes. Meanwhile, the ultrasonic generator is started, and the unleached water is atomized (similar to an ultrasonic atomizer) under the action of ultrasonic waves, so that the evaporation of the water is accelerated, and the drying efficiency is improved; meanwhile, the water is quickly evaporated to absorb heat, and the temperature in the whole drying tank 1 is reduced. And when the moisture content is less, the negative pressure pump and the ultrasonic generator are closed.
After the negative pressure pump and the ultrasonic generator are turned off, the motor and the air cylinder are started simultaneously, the motor drives the driving shaft 3 to rotate anticlockwise, the driving shaft 3 drives the cam 6 and the driven shaft 4 to rotate through the conveyor belt 7, the partition plate 8 moves along with the conveyor belt 7, and the partition plate 8 on the lower side of the conveyor belt 7 moves rightwards to drive dried tofu at the bottom of the drying groove 1 to move rightwards. Because the dried tofu is provided with moisture, adjacent dried tofu is easy to adhere together and is not easy to dry, the clapboard 8 is arranged to stir the dried tofu to a certain extent, and the problem that part of dried tofu is difficult to dry due to accumulation of the dried tofu is avoided.
During initial state, the bellying of cam 6 is located the downside, and 8 lower extremes of baffle and the 1 bottom interval in dry groove that are located the bellying of cam 6 are minimum, and baffle 8 here can stir the dried tofu of bottommost promptly, and after baffle 8 when the downside begins to move right, baffle 8 of bellying department stirred the dried tofu of bottommost and moves right, and the dried tofu of 1 bottom center department in dry groove forms sunkenly promptly, and left dried tofu is supplemented to the middle part along with baffle 8 for the better dispersion of dried tofu is opened.
When the bellying of cam 6 upwards rotates gradually, 7 downside of conveyer belt resume gradually into the linear state of slope, the interval of 8 lower extremes of baffle of 7 downside of conveyer belt and 1 bottom in dry groove reduces gradually, the dried tofu of bottom is stirred gradually to baffle 8, the motion trail of 8 lower extremes of baffle is similar to the straight line that is the right-hand member downward sloping, when baffle 8 moves to driven shaft 4 department, baffle 8 drives the dried tofu and upwards turns up, the dried tofu falls on baffle 8, the dried tofu continues along with baffle 8 motion, 7 upsides of conveyer belt fall. The dried tofu which is not carried up by the partition plate 8 slides to the bottom of the drying tank 1 along the inclined surface of the guide part 2.
Above-mentioned in-process, cylinder drive piston rod 12 moves right, and air cavity 9 space reduces, and the gas in air cavity 9 passes through 16 discharges of outlet duct to drying bath 1 in, and the gas blows the dried tofu upset of drying bath 1 bottom, and cooperation baffle 8 makes the dried tofu dispersion for the drying, accelerates the cooling through the air current effect simultaneously. At this time, the space in the water chamber 10 is increased and is in a negative pressure state, so that the clean water in the water storage tank is pumped into the piston barrel.
When the dried tofu is taken to the upside of conveyer belt 7, the dried tofu receives the partition of baffle 8, and the dried tofu between the adjacent baffle 8 is all less, makes the air current flow through the rotation of fan 18 this moment, and the air current acts on the dried tofu for the drying, further realizes the cooling through the forced air cooling simultaneously.
When the dried tofu moves to the left side along with the partition plate 8, the dried tofu is thrown into the drying groove 1 again, at the moment, the air cylinder drives the piston 11 to move leftwards, water in the water cavity 10 is atomized through the atomizing nozzle 15 and then sprayed out, the thrown dried tofu is dispersed in the air, the contact surface between water molecules after atomization and the dried tofu is larger, the contact is more sufficient, the water molecules can quickly absorb heat and then evaporate, and the temperature of the dried tofu is reduced.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (7)

1. Dried tofu drying and cooling equipment goes on in the drying tank, its characterized in that: the drying device comprises a drying tank, a conveying belt, a drying tank and a drying device, wherein a plurality of draining holes are formed in the bottom of the drying tank, a driving shaft and a driven shaft are rotationally connected in the drying tank, the conveying belt for transmission is sleeved between the driving shaft and the driven shaft, and a plurality of partition plates are uniformly distributed on the outer side of the conveying belt along the circumferential; the side wall of the drying groove is provided with a plurality of atomizing nozzles, and the drying groove also comprises a cooling water tank for supplying water to the atomizing nozzles; a fan is arranged above the drying groove, and an ultrasonic generator is arranged on the bottom wall or the side wall of the drying groove; the drying groove is positioned on the inner side of the conveyor belt and is rotatably connected with a cam shaft, the axes of the cam shaft and the driving shaft are parallel, a cam is fixed on the cam shaft, and the outer wall of the cam is abutted against the inner side of the conveyor belt; the cam comprises a disc-shaped part and a convex part, the radiuses of the driving shaft, the disc-shaped part and the driven shaft are sequentially increased, the rotating centers of the driving shaft, the disc-shaped part and the driven shaft are positioned on the same transverse line, and the sizes of the partition plates are all consistent; the radius of the convex part is larger than that of the driven shaft.
2. The dried tofu drying and cooling device according to claim 1, characterized in that: the drying device is characterized by further comprising a rack, wherein a piston barrel positioned above the drying groove is fixed on the rack, a piston is connected in the piston barrel in a transverse sliding mode, the piston divides the piston barrel into an air cavity and a water cavity, a piston rod is fixed on the piston, and a driving piece for driving the piston rod to transversely slide is fixed on the rack; an air inlet hole and an air outlet hole are arranged on the end surface of the piston barrel close to one side of the air cavity, an air inlet one-way valve is arranged in the air inlet hole, an air outlet one-way valve is arranged in the air outlet hole, and the air outlet hole is communicated with the lower part of the drying groove through an air outlet pipe; the end face of the piston barrel, which is close to one side of the water cavity, is provided with a water inlet hole and a water outlet hole, a water inlet check valve is arranged in the water inlet hole, a water outlet check valve is arranged in the water outlet hole, the water inlet hole is communicated with the cooling water tank, and the water outlet hole is communicated with the atomizing nozzle.
3. The dried tofu drying and cooling device according to claim 2, characterized in that: the air outlet pipe comprises a plurality of air outlet branch pipes which are respectively and uniformly distributed at the lower part of the side wall of the drying tank and communicated with the inside of the drying tank.
4. The dried tofu drying and cooling device according to claim 1, characterized in that: the bottom of the side wall of the drying groove is provided with an inclined flow guide part.
5. The dried tofu drying and cooling device according to claim 4, characterized in that: the driven shaft is located on one side, close to the flow guide portion, of the drying groove.
6. The dried tofu drying and cooling device according to claim 1, characterized in that: the draining holes are communicated with water draining pipes, all the water draining pipes are communicated together to form a main pipe, and the main pipe is communicated with a negative pressure pump.
7. The dried tofu drying and cooling device according to claim 1, characterized in that: the surface of the partition board is sleeved with a sponge sleeve, and the sponge sleeve is bonded on the partition board.
CN201910362868.9A 2019-04-30 2019-04-30 Dried tofu drying and cooling equipment Active CN110081672B (en)

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Application Number Priority Date Filing Date Title
CN201910362868.9A CN110081672B (en) 2019-04-30 2019-04-30 Dried tofu drying and cooling equipment

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Application Number Priority Date Filing Date Title
CN201910362868.9A CN110081672B (en) 2019-04-30 2019-04-30 Dried tofu drying and cooling equipment

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CN110081672B true CN110081672B (en) 2021-04-06

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CN114992979B (en) * 2022-05-06 2023-10-03 重庆源源龙脉食品有限公司 Automatic production line for yin-rice cold environment

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CN205415350U (en) * 2016-03-21 2016-08-03 湖北宝塔研磨有限公司 Energy -conserving drying tunnel is used to abrasive paper
CN207285039U (en) * 2017-06-12 2018-05-01 河南张老有生物科技有限公司 Dried bean curd drying unit system
CN208333012U (en) * 2018-05-25 2019-01-04 余姚绿谷工坊食品有限公司 A kind of flash baking mechanism for tealeaves
CN108782836A (en) * 2018-06-29 2018-11-13 贵州省余庆县香茗茶业有限责任公司 Black tea process equipment
CN109619203A (en) * 2018-11-22 2019-04-16 贵州玉洁食品有限公司 A kind of dried bean curd drying unit

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