CN113091444A - Double-helix drying equipment and drying method - Google Patents

Double-helix drying equipment and drying method Download PDF

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Publication number
CN113091444A
CN113091444A CN202110485457.6A CN202110485457A CN113091444A CN 113091444 A CN113091444 A CN 113091444A CN 202110485457 A CN202110485457 A CN 202110485457A CN 113091444 A CN113091444 A CN 113091444A
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CN
China
Prior art keywords
spiral
drying
mesh belt
conveying mesh
box body
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Pending
Application number
CN202110485457.6A
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Chinese (zh)
Inventor
苏建勇
董浩杰
王金锋
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Henan Xutong Intelligent Technology Co ltd
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Henan Xutong Intelligent Technology Co ltd
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Priority to CN202110485457.6A priority Critical patent/CN113091444A/en
Publication of CN113091444A publication Critical patent/CN113091444A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/18Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs
    • F26B17/22Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors which may be heated moving materials in stationary chambers, e.g. troughs the axis of rotation being vertical or steeply inclined
    • 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
    • F26B21/004Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • 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
    • 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
    • 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
    • F26B25/06Chambers, containers, or receptacles

Abstract

The invention relates to a double-spiral drying device which comprises a first spiral drying device and a second spiral drying device, wherein the first spiral drying device and the second spiral drying device respectively comprise a heat preservation box body, a spiral conveying mechanism and a drying mechanism. The spiral conveying mechanism is arranged in the heat preservation box body and comprises a spiral slide rail and a conveying mesh belt which are arranged in the heat preservation box body. The drying mechanism is arranged at the rear side of the heat insulation box body and used for supplying heat to the heat insulation box body, and the input end of the conveying mesh belt in the first drying device and the output end of the conveying mesh belt in the second drying device are at the same height. The double-spiral drying device adopts a double-spiral structure, reduces the volume of the device, simultaneously ensures the requirement of drying amount, saves the occupied area of the drying device, adopts an air source heat pump as a drying heat source, has stable heat supply, and can ensure the drying quality, and the drying raw material is input from the bottom of the left side of the first spiral drying device and output from the bottom of the right side of the second spiral drying device, thereby being convenient for conveying the drying raw material and improving the production efficiency.

Description

Double-helix drying equipment and drying method
Technical Field
The invention relates to the technical field of drying equipment, in particular to double-helix drying equipment and a drying method.
Background
Agricultural products are like mushrooms, fruit and the like, need dry by the stoving sometimes, need use drying equipment to dry it, adopt guipure drying-machine or baking house to dry the operation more in the existing market, guipure drying-machine establishes guipure conveyer in the baking oven, guipure conveyer transportation is treated the stoving raw materials and is dried in the baking oven, owing to need very long oven to guarantee the stoving effect, so this kind of drying equipment occupies the volume ratio great, need enough big place, use cost has been improved, the baking house is dried mainly and is set up the stoving frame in the baking oven, adopt tray bearing raw materials to dry, the stoving volume of baking house is less, it is great if need the stoving volume, then need a plurality of baking houses, and production cost is improved.
Disclosure of Invention
The invention aims to provide double-helix drying equipment, which adopts a vertically arranged spiral drying mesh belt and has a double-helix structure.
In order to achieve the purpose, the invention adopts the following technical scheme:
a double-spiral drying device comprises a first spiral drying device and a second spiral drying device which are arranged on the left and right sides;
the first spiral drying device and the second spiral drying device comprise
The heat insulation box body is provided with a heat insulation layer on the inner side wall;
the spiral conveying mechanism is arranged in the heat preservation box body and comprises a spiral slide rail and a conveying mesh belt, the spiral slide rail and the conveying mesh belt are spirally arranged in the heat preservation box body up and down, the conveying mesh belt is erected on the spiral slide rail, and the conveying mesh belt can move along the spiral slide rail;
the drying mechanism is arranged at the rear side of the heat insulation box body and used for supplying heat to the heat insulation box body;
and the input end of the conveying mesh belt in the first drying device and the output end of the conveying mesh belt in the second drying device are at the same height.
Preferably, the output end of the conveying mesh belt in the first drying device and the input end of the conveying mesh belt in the second drying device are both arranged at the upper part of the heat preservation box body, the output end of the conveying mesh belt in the first drying device is arranged above the input end of the conveying mesh belt in the second drying device, and the input end of the conveying mesh belt in the first drying device is arranged at the lower parts of the heat preservation box body and the conveying mesh belt in the second drying device.
Preferably, the inner wall of the heat preservation box body is fixedly provided with a plurality of vertical spiral sliding rail supporting frames for supporting the spiral sliding rails.
Further preferably, the spiral slide rail support frame is vertically provided with an anti-bouncing rod capable of moving up and down, the anti-bouncing rod is horizontally provided with a plurality of anti-bouncing cross rods, and the anti-bouncing cross rods are pressed on the conveying mesh belt and used for preventing the conveying mesh belt from bouncing.
Preferably, the conveying mesh belt is connected with a conveying mesh belt driving device, the driving device comprises a driving chain wheel, the driving chain wheel is meshed with the conveying mesh belt, and the output end of the conveying mesh belt rotates to the input end of the conveying mesh belt through a plurality of return rollers to form circulation.
Further preferably, be equipped with conveying mesh belt tensioning roller on the conveying mesh belt return route, conveying mesh belt tensioning roller can reciprocate.
Further preferably, the drying unit comprises an air source heat pump arranged on the rear side of the heat insulation box body, an air inlet and an air outlet are arranged at the left end and the right end of the rear side of the heat insulation box body, and the air inlet and the air outlet are communicated with the air source heat pump.
Further preferably, a transmission roller is arranged in the insulation can body and connected with a driving device, a plurality of roller vertical bars are vertically arranged on the outer wall of the transmission roller and are in contact with the conveying mesh belt, and the transmission roller can drive the conveying mesh belt to move spirally.
A double-helix drying device comprises a first spiral drying device, a second spiral drying device and a conveying mesh belt, wherein the first spiral drying device and the second spiral drying device are arranged on the left and right sides;
the first spiral drying device and the second spiral drying device comprise
The heat insulation box body is provided with a heat insulation layer on the inner side wall;
the spiral conveying mechanism is arranged in the heat preservation box body and comprises a spiral sliding rail which is spirally arranged in the heat preservation box body up and down;
the drying mechanism is arranged at the rear side of the heat insulation box body and used for supplying heat to the heat insulation box body;
the conveying mesh belt is continuously arranged in the first spiral drying equipment and the second spiral drying equipment, the parts, located in the first spiral drying equipment and the second spiral drying equipment, of the conveying mesh belt are respectively erected on the corresponding spiral slide rails, and the conveying mesh belt can move along the spiral slide rails.
Further preferably, the use method of the double-helix drying equipment comprises the following steps:
step one, cleaning: cleaning the dried raw materials through cleaning equipment;
step two, transportation: conveying the cleaned drying raw material to an input end of first spiral drying equipment through conveying equipment;
step three, primary baking: paving the dried raw material on a conveying mesh belt in first spiral drying equipment, and drying while spirally rising the dried raw material;
step four, re-drying: and the dried raw material at the output end of the first spiral drying equipment enters the second spiral drying equipment, and the dried raw material is dried while spirally descending.
The invention has the beneficial effects that:
the invention relates to double-spiral drying equipment which comprises first spiral drying equipment and second spiral drying equipment which are arranged on the left and right sides, wherein the first spiral drying equipment and the second spiral drying equipment both comprise a heat-insulating box body, and a heat-insulating layer is arranged on the inner side wall of the heat-insulating box body; the spiral conveying mechanism is arranged in the heat preservation box body and comprises a spiral slide rail and a conveying mesh belt, the spiral slide rail and the conveying mesh belt are spirally arranged in the heat preservation box body up and down, the conveying mesh belt is erected on the spiral slide rail, and the conveying mesh belt can move along the spiral slide rail; the drying mechanism is arranged at the rear side of the heat insulation box body and used for supplying heat to the heat insulation box body; and the input end of the conveying mesh belt in the first drying device and the output end of the conveying mesh belt in the second drying device are at the same height. The double-helix drying equipment disclosed by the invention adopts a double-helix raw material conveying structure, the requirement on the drying amount can be met while the size of the equipment is reduced, the floor area of the drying equipment is obviously saved, an air source heat pump is adopted as a drying heat source, the environment is protected, the power consumption is low, the heat supply is stable, the cost is saved, and the drying quality can be guaranteed. The drying raw materials are input from the bottom of the left side of the first spiral drying equipment and output from the bottom of the right side of the second spiral drying equipment, and can be butted with other processes without an additional conveying mechanism, so that the drying device is convenient and fast.
Drawings
FIG. 1 is a schematic structural view of a double spiral drying apparatus according to the present invention;
fig. 2 is a plan view of a first spiral drying apparatus in the double spiral drying apparatus of the present invention;
FIG. 3 is a front view of a first spiral drying apparatus of the double spiral drying apparatus of the present invention with parts removed;
FIG. 4 is a schematic structural diagram of an inner spiral slide rail and an outer spiral slide rail of the double-spiral drying apparatus of the present invention;
FIG. 5 is a schematic structural view of a revolving roller of a conveyer belt of a first spiral drying device in the double-spiral drying device of the present invention;
FIG. 6 is a schematic view of the jump prevention bar in the double spiral drying apparatus of the present invention.
Names corresponding to the marks in the figure:
1. the first spiral drying device comprises a first spiral drying device 10, a heat preservation box body 101, a support 102, an access door 103, an air inlet 104, an air outlet 11, a spiral conveying mechanism 110, a conveying net belt 111, a conveying net belt support 1110, a vertical support 1111, a support cross bar 112, an inner spiral slide rail 113, an outer spiral slide rail 114, an anti-bouncing rod 1140, an anti-bouncing cross bar 115, a return guide roller 116, a conveying net belt tensioning roller 117, a driving roller 118, a transmission roller 1180, a roller vertical bar 12, a drying mechanism 120, an air source heat pump 130, a CIP online cleaning device 131, a cleaning spray head 2 and a second spiral drying device.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1 of the invention:
as shown in fig. 1-6, the double-helix drying device includes a first helix drying device 1 and a second helix drying device 2, the first helix drying device 1 and the second helix drying device 2 are arranged at left and right sides, and a dried material outlet of the first helix drying device 1 corresponds to a dried material inlet of the second helix drying device 2, so as to form a double-helix drying system.
The first spiral drying device 1 comprises a heat preservation box body 10, a spiral conveying mechanism 11, a drying mechanism 12 and a cleaning mechanism.
As shown in fig. 1, a support 101 is arranged at the lower end of the heat preservation box 10, the heat preservation box 10 is arranged above the support 101, the screw conveying mechanism 11 is arranged in the heat preservation box 10, the heat preservation box 10 is of a double-layer structure, a heat preservation layer is arranged in the middle of the heat preservation box, the heat preservation layer is made of aluminum silicate rock wool, and the heat preservation layer is used for keeping the temperature in the heat preservation box 10 and avoiding heat loss during drying operation. The left side wall, the right side wall and the front side wall of the heat preservation box body 10 are respectively provided with an access door 102, so that the inner wall of the heat preservation box body 10 can be conveniently overhauled and cleaned, in order to ensure the heat preservation effect, the access door 102 is also provided with a heat preservation layer, and the heat preservation layer is made of aluminum silicate rock wool.
As shown in fig. 2, the spiral conveying mechanism 11 is disposed in the thermal insulation box 10, and the spiral conveying mechanism 11 includes a conveying mesh belt 110, a conveying mesh belt supporting frame 111, and a driving roller 118.
As shown in fig. 3 and fig. 6, the mesh belt supporting frame 111 is fixed on the inner wall of the thermal insulation box 10, the mesh belt supporting frame 111 includes a vertical supporting frame 1110 and a plurality of supporting cross rods 1111 arranged up and down on the vertical supporting frame 1110, and the supporting cross rods 1111 are all horizontally arranged. The conveying net belt support frame 111 is arranged on the inner wall of the heat preservation box body 10, so that the space of the heat preservation box body 10 can be saved, the internal structure of the whole heat preservation box body 10 is compact, the space utilization rate is high, and the drying effect is ensured.
As shown in fig. 2 and 4, the spiral guide rail is arranged on the support frame 111 of the conveying mesh belt, and the spiral guide rail includes an inner spiral slide rail 112 and an outer spiral slide rail 113, wherein the inner spiral slide rail 112 is arranged at one end of the support cross bar 1111 far away from the vertical support frame 1110 and fixed by welding, the outer spiral slide rail 113 is arranged at one end of the support cross bar 1111 near the vertical support frame 1110, the support cross bar 1111 is provided with a gap, and the outer spiral slide rail 113 is clamped in the gap and fixed by welding.
The conveying mesh belt 110 is arranged on a spiral guide rail erected on a conveying mesh belt support frame 111, the conveying mesh belt 110 is used for conveying raw materials, one end of the conveying mesh belt 110 is erected on an inner spiral slide rail 112, the other end of the conveying mesh belt is erected on an outer spiral slide rail 113, the conveying mesh belt 110 can spirally move between the inner spiral slide rail 112 and the outer spiral slide rail 113, and the movement of the conveying mesh belt 110 is powered by a conveying mesh belt driving device.
In order to prevent the raw material from rolling off the conveying mesh belt 110 during the transportation of the raw material by the conveying mesh belt 110, vertical guard plates are arranged at two ends of the conveying mesh belt 110 in the width direction and used for preventing the raw material from rolling off.
As shown in fig. 6, in the running process of the mesh belt conveyor 110, under the condition of a relatively high running speed, the mesh belt conveyor 110 may bounce up and down, the drying raw material on the mesh belt conveyor 110 is easy to roll off, in order to prevent the mesh belt conveyor 110 from bouncing up and down, the anti-bounce rod 114 is arranged on the mesh belt conveyor support 111, the anti-bounce rod 114 is vertically arranged and can move up and down, a plurality of anti-bounce cross rods 1140 are horizontally arranged on the anti-bounce rod 114, each anti-bounce cross rod 1140 is arranged on the mesh belt conveyor 110 in a pressure-sharing manner, and when the mesh belt conveyor 110 runs, the anti-bounce cross rods 1140 are arranged on the mesh belt conveyor 110 by gravity pressure, so that the.
As shown in fig. 3 and 5, the movement of the mesh belt 110 is driven by a mesh belt driving device, which, in this embodiment, the conveying mesh belt driving device adopts a servo motor, the conveying mesh belt 110 is spirally upward along an inner spiral slide rail 112 and an outer spiral slide rail 113 from bottom to top, then horizontally moving the upper end of the conveying mesh belt support frame 111 rightwards, the conveying mesh belt 110 extends rightwards out of the heat preservation box body 10 at the top end of the heat preservation box body 10 to form an output end of the conveying mesh belt 110, a driving device support frame is arranged at the upper part of the right side of the heat preservation box body 10, a return guide roller 115 is horizontally arranged at the upper end of the driving device support frame, for the return guide of the mesh belt 110, after the mesh belt 110 is guided by the return guide roller 115, then horizontally moves leftwards through a guide roller vertically arranged on a support frame of the driving device, and then passes through a guide roller arranged on the input end of the conveying mesh belt 110 to form a running cycle.
As shown in fig. 5, a conveying mesh belt tensioning roller 116 is arranged on a return path of the conveying mesh belt 110, the conveying mesh belt tensioning roller 116 can move up and down, and a tensioning wheel of the conveying mesh belt 110 performs tensioning adjustment on the conveying mesh belt 110 by means of gravity, so that the conveying mesh belt 110 is always kept in a tensioning state, and a conveying effect is ensured.
The driving device supporting frame is provided with a driving roller 117, two ends of the driving roller 117 are provided with driving chain wheels, the driving chain wheels are meshed with two ends of the conveying mesh belt 110, and the servo motor can drive the driving roller 117 to rotate so as to enable the conveying mesh belt 110 to continuously run.
As shown in fig. 2 and fig. 3, in order to avoid the problem that the resistance is too large to affect the service life of the mesh belt 110 and cause the conveying efficiency to become low due to the fact that the mesh belt 110 is driven only by the servo motor, a driving roller 118 is further arranged in the heat preservation box 10, a roller vertical bar 1180 is arranged around the driving roller 118 in the vertical direction, and the length of the roller vertical bar 1180 is larger than the height of the driving roller 118 to prevent the mesh belt 110 from being separated from the top of the roller during the operation. The material of the vertical roller strip 1180 is any one of polytetrafluoroethylene material, ultra-high molecular material, or PP. The driving roller 118 is powered by a motor, and when the driving roller 118 rotates, the roller vertical bar 1180 drives the conveyer belt 110 to rotate, so as to provide spiral ascending power for the conveyer belt 110.
In order to further reduce the friction between the conveying net belt 110 and the inner spiral sliding rail 112 and the outer spiral sliding rail 113, polytetrafluoroethylene materials are respectively coated on the inner spiral sliding rail 112 and the outer spiral sliding rail 113, so that the friction coefficient between the conveying net belt 110 and the inner spiral sliding rail 112 and the outer spiral sliding rail 113 is greatly reduced, and the smooth operation of the conveying net belt 110 is facilitated.
In actual operation, the drying raw material enters the thermal insulation box 10 through the input end of the conveying mesh belt 110 arranged outside the thermal insulation box 10, the conveying mesh belt 110 spirally rises along the inner spiral slide rail 112 and the outer spiral slide rail 113 to drive the drying raw material to spirally rise, the output end of the conveying mesh belt 110 is arranged at the upper end of the right side of the drying box, the drying raw material is dried while spirally rising, and then the drying raw material enters the next process through the output end of the conveying mesh belt 110.
Drying mechanism 12 establishes the rear side at the stoving box, drying mechanism 12 includes the heat source, the heat source adopts air source heat pump 120, both ends are equipped with air intake 103 and air outlet 104 about the insulation can rear side, air intake 103 and air outlet 104 all communicate with air source heat pump 120, hot-blast process air intake 103 that air source heat pump 120 produced enters into insulation box 10, then in air source heat pump 120 is entered into through air outlet 104, accomplish hot-blast circulation, utilize air intake 103 and air outlet 104 that set up about, make the air current organize rationally, drying temperature is even.
The cleaning mechanism comprises a conveying mesh belt cleaning device and a heat preservation box body cleaning device.
The conveying mesh belt cleaning device is arranged on the return stroke of the conveying mesh belt 110, a water pump powerful cleaning device is arranged in the conveying mesh belt cleaning device, the conveying mesh belt 110 is cleaned while the conveying mesh belt 110 moves, a high-pressure fan is arranged in the conveying mesh belt cleaning device, after cleaning is finished, water drops on the surface of the conveying mesh belt 110 are blown off by the high-pressure fan, and the cleaning and drying effects of the conveying mesh belt 110 are achieved.
The heat preservation box cleaning device is arranged in the heat preservation box body 10 and comprises a CIP online cleaning device, the CIP online cleaning device comprises a cleaning spray head 131 vertically extending into the heat preservation box body 10, and the cleaning spray heads 131 are four in the embodiment and are respectively arranged in four corners in the heat preservation box body 10.
The cleaning nozzle 131 can clean the interior of the heat preservation box body 10, and the inner spiral slide rail 112, the outer spiral slide rail 113, the transmission roller 118 and the inner wall of the heat preservation box body 10 can be thoroughly cleaned, so that the cleaning of the drying environment is ensured, and the quality of the dried product is ensured.
The floor of the heat preservation box body 10 is designed in an inclined mode, so that water after cleaning can flow out conveniently, the interior of the heat preservation box body 10 is ensured to be dry, and the drying quality is improved.
As shown in fig. 1, the internal structure of the second spiral drying device 2 is the same as that of the first spiral drying device 1, and the difference between the second spiral drying device 2 and the first spiral drying device 1 is that the drying material inlet of the second spiral drying device 2 is arranged at the upper end of the heat preservation box, when the drying material moves from bottom to top through the inside of the first spiral drying device 1, the drying material enters the second spiral drying device 2 through the output end of the conveying mesh belt 110 at the top of the first spiral drying device 1, and the input end of the conveying mesh belt on the second spiral drying device 2 is arranged below the output end of the conveying mesh belt 110 of the first spiral drying device 1, and is used for receiving the drying material falling from the first spiral conveying mesh belt 110.
After the stoving raw materials got into second spiral drying equipment 2, through conveying mesh belt's transportation, finally from conveying mesh belt output end output on second spiral drying equipment 2 right side, conveying mesh belt output in second spiral drying equipment 2 is located the insulation box lower part in second spiral drying equipment 2, such design can make stoving raw materials from left side lower part input, export from right side lower part after the stoving is accomplished, can no longer use the lifting machine to promote stoving raw materials or dry and finish the back and need other conveying mechanism with the stoving raw materials of eminence carry the bottom, the transportation equipment has been saved, the follow-up process processing operation of also being convenient for simultaneously.
In actual operation, after being cleaned and sorted, the drying raw material enters the first spiral drying device 1 from the input end of the conveying mesh belt 110 in the first spiral drying device 1 through the conveying mechanism, the drying raw material is subjected to primary drying operation while spirally rising in the first spiral drying device 1, the air source heat pump 120 at the rear side of the heat insulation box body 10 generates heat, the heat continuously dries the drying raw material, because the left and right ends at the rear side of the heat insulation box body 10 are provided with the air inlet 103 and the air outlet 104, the heat generated by the air source heat pump 120 forms circulation in the heat insulation box body 10, so that the drying raw material is sufficiently dried, after the primary drying of the drying raw material is completed, the drying raw material falls through the output end of the conveying mesh belt 110 in the first spiral drying device 1, falls into the input end of the conveying mesh belt in the second spiral drying device 2, and is subjected to secondary drying operation while the second spiral drying device 2 spirally, the flow of the secondary drying operation is the same as that of the primary drying operation, and the dried raw materials are output through the output end of the conveying net belt in the second spiral drying equipment 2 after being dried for the second time, so that the drying is completed.
The drying temperature of the first spiral drying equipment 1 and the second spiral drying equipment 2 and the running speed of the conveying net belt can be adjusted according to the difference of the drying raw materials and the difference of the drying water content requirement, and the drying requirements of most agricultural products can be met.
In other embodiments, the heat source in the drying unit is replaced with electric heating or hot steam.
In other embodiments, the insulating layer in the incubator body is replaced by rock wool or polyurethane material.
In other embodiments, the transmission roller 118 in the thermal insulation box 10 is disposed on one side of the outer spiral sliding rail 113, the transmission roller 118 contacts with the mesh belt 110 on one side of the outer spiral sliding rail 113, and the rotation of the transmission roller 118 can drive the mesh belt 110 to run.
In other embodiments, a vertical transmission shaft is arranged on one side of the external spiral sliding rail 113 in the thermal insulation box body 10, a plurality of transmission gears are arranged on the transmission shaft, each transmission gear is in transmission connection with the edge of the conveying mesh belt 110, and the transmission gears can drive the conveying mesh belt 110 to run.
In other embodiments, one conveying mesh belt is arranged instead of the first spiral drying device 1 and the second spiral drying device 2 which are both provided with independent conveying mesh belts, the conveying mesh belts are continuously arranged in the first spiral drying device 1 and the second spiral drying device 2, the conveying mesh belts are directly connected with the second spiral drying device 2 through the conveying mesh belt transmission above the right side of the heat preservation box body 10 in the first spiral drying device 1, the drying raw materials enter the first spiral drying device 1 through the input end of the conveying mesh belt in the first spiral drying device 1, the drying raw materials are subjected to one drying operation while spirally rising in the first spiral drying device 1, after the one drying operation, the drying raw materials directly enter the second spiral drying device 2 along the conveying mesh belt, and (4) carrying out secondary drying in the second spiral drying equipment 2, and entering the next procedure through the output end of the conveying mesh belt after the drying is finished.
The use method of the double-helix drying equipment comprises the following steps:
step one, cleaning: cleaning the dried raw materials through cleaning equipment;
step two, transportation: conveying the cleaned drying raw materials to the input end of a first spiral drying device 1 through conveying equipment;
step three, primary baking: paving the drying raw material on a conveying mesh belt 110 in the first spiral drying equipment 1, and drying while the drying raw material spirally rises;
step four, re-drying: the drying raw material at the output end of the first spiral drying device 1 enters the second spiral drying device 2, and the drying raw material is dried while spirally descending.
The drying temperature, the drying humidity and the running speed of the conveying net belt 110 in the first spiral drying device 1 can be adjusted according to the different drying raw materials, and the drying temperature, the drying humidity and the running speed of the conveying net belt in the second spiral drying device 2 can be adjusted according to the different drying raw materials.
The double-helix drying equipment disclosed by the invention adopts a double-helix raw material conveying structure, the requirement on the drying amount can be met while the size of the equipment is reduced, the floor area of the drying equipment is obviously saved, an air source heat pump is adopted as a drying heat source, the environment is protected, the power consumption is low, the heat supply is stable, the cost is saved, and the drying quality can be guaranteed. The drying raw materials are input from the bottom of the left side of the first spiral drying equipment 1 and output from the bottom of the right side of the second spiral drying equipment 2, and can be butted with other processes without an additional conveying mechanism, so that the drying device is convenient and fast.

Claims (10)

1. The utility model provides a double helix drying equipment which characterized in that:
the drying device comprises a first spiral drying device and a second spiral drying device which are arranged on the left and the right;
the first spiral drying device and the second spiral drying device comprise
The heat insulation box body is provided with a heat insulation layer on the inner side wall;
the spiral conveying mechanism is arranged in the heat preservation box body and comprises a spiral slide rail and a conveying mesh belt, the spiral slide rail and the conveying mesh belt are spirally arranged in the heat preservation box body up and down, the conveying mesh belt is erected on the spiral slide rail, and the conveying mesh belt can move along the spiral slide rail;
and the drying mechanism is arranged at the rear side of the heat insulation box body and used for supplying heat to the heat insulation box body.
2. The double spiral drying apparatus of claim 1, wherein: the output end of the conveying mesh belt in the first drying device and the input end of the conveying mesh belt in the second drying device are both arranged on the upper part of the heat preservation box body, the output end of the conveying mesh belt in the first drying device is arranged above the input end of the conveying mesh belt in the second drying device, and the input end of the conveying mesh belt in the first drying device is arranged on the lower parts of the heat preservation box body and the conveying mesh belt in the second drying device.
3. The double spiral drying apparatus of claim 1, wherein: and a plurality of vertical spiral sliding rail supporting frames are fixed on the inner wall of the heat preservation box body and used for supporting the spiral sliding rails.
4. The double spiral drying apparatus of claim 1, wherein: the spiral slide rail supporting frame is vertically provided with an anti-bouncing rod capable of moving up and down, the anti-bouncing rod is horizontally provided with a plurality of anti-bouncing cross rods, and the anti-bouncing cross rods are pressed on the conveying mesh belt and used for preventing the conveying mesh belt from bouncing.
5. The double spiral drying apparatus of claim 1, wherein: the conveying mesh belt is connected with a conveying mesh belt driving device, the driving device comprises a driving chain wheel, the driving chain wheel is meshed with the conveying mesh belt, and the output end of the conveying mesh belt rotates to the input end of the conveying mesh belt through a plurality of return rollers to form circulation.
6. The double spiral drying apparatus of claim 1, wherein: conveying mesh belt tensioning roller is equipped with on the conveying mesh belt return stroke route, conveying mesh belt tensioning roller can reciprocate.
7. The double spiral drying apparatus of claim 1, wherein: the drying unit comprises an air source heat pump arranged on the rear side of the heat insulation box body, an air inlet and an air outlet are arranged at the left end and the right end of the rear side of the heat insulation box body, and the air inlet and the air outlet are communicated with the air source heat pump.
8. The double spiral drying apparatus of claim 1, wherein: the insulation can is characterized in that a transmission roller is arranged in the insulation can body and connected with a driving device, a plurality of roller vertical bars are vertically arranged on the outer wall of the transmission roller and are in contact with the conveying mesh belt, and the transmission roller can drive the conveying mesh belt to move spirally.
9. The utility model provides a double helix drying equipment which characterized in that:
comprises a first spiral drying device, a second spiral drying device and a conveying mesh belt which are arranged on the left and the right;
the first spiral drying device and the second spiral drying device comprise
The heat insulation box body is provided with a heat insulation layer on the inner side wall;
the spiral conveying mechanism is arranged in the heat preservation box body and comprises a spiral sliding rail which is spirally arranged in the heat preservation box body up and down;
the drying mechanism is arranged at the rear side of the heat insulation box body and used for supplying heat to the heat insulation box body;
the conveying mesh belt is continuously arranged in the first spiral drying equipment and the second spiral drying equipment, the parts, located in the first spiral drying equipment and the second spiral drying equipment, of the conveying mesh belt are respectively erected on the corresponding spiral slide rails, and the conveying mesh belt can move along the spiral slide rails.
10. The drying method using the double spiral drying apparatus of claim 1, wherein: comprises the following steps of (a) carrying out,
step one, cleaning: cleaning the dried raw materials through cleaning equipment;
step two, transportation: conveying the cleaned drying raw material to an input end of first spiral drying equipment through conveying equipment;
step three, primary baking: paving the dried raw material on a conveying mesh belt in first spiral drying equipment, and drying while spirally rising the dried raw material;
step four, re-drying: and the dried raw material at the output end of the first spiral drying equipment enters the second spiral drying equipment, and the dried raw material is dried while spirally descending.
CN202110485457.6A 2021-04-30 2021-04-30 Double-helix drying equipment and drying method Pending CN113091444A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113739550A (en) * 2021-09-18 2021-12-03 河南旭通智能科技有限公司 Dried bean drying equipment and dried bean drying method

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202115998U (en) * 2011-06-01 2012-01-18 淮北市中安矿机设备有限公司 Belt bouncing prevention device for conveyor
CN203605664U (en) * 2013-07-25 2014-05-21 南通星诺冷冻设备有限公司 Heat pump drying device for removing water on surface of material
CN204100743U (en) * 2014-09-19 2015-01-14 上虞市五叶食品机械有限公司 A kind of continous way screw dryer
CN205784425U (en) * 2016-06-07 2016-12-07 上虞冠峰食品机械有限公司 A kind of screw dryer
KR20180019037A (en) * 2016-08-15 2018-02-23 손종철 drying machine
CN207280130U (en) * 2017-08-03 2018-04-27 深圳市旭然电子有限公司 Membrane preheating device before coating
CN207407649U (en) * 2017-11-14 2018-05-25 济南玫苑生物科技有限公司 A kind of jasmine tea spiral continuous low-temperature baking room
CN208165907U (en) * 2018-04-13 2018-11-30 上海颍盛机械有限公司 Flexible auto-tensioning screw conveyor
CN111536742A (en) * 2020-05-29 2020-08-14 南通远征冷冻设备有限公司 Double-screw quick-freezing equipment
CN211392676U (en) * 2019-12-04 2020-09-01 大同市同华矿机制造有限责任公司 Anti-deviation correcting device of mining belt conveyor
CN212842599U (en) * 2020-08-11 2021-03-30 江西云恩健康产业有限公司 Hot air circulation oven is used in nutrition powder production
CN212930858U (en) * 2020-07-30 2021-04-09 江苏华普干燥工程有限公司 Novel mesh belt type dryer

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202115998U (en) * 2011-06-01 2012-01-18 淮北市中安矿机设备有限公司 Belt bouncing prevention device for conveyor
CN203605664U (en) * 2013-07-25 2014-05-21 南通星诺冷冻设备有限公司 Heat pump drying device for removing water on surface of material
CN204100743U (en) * 2014-09-19 2015-01-14 上虞市五叶食品机械有限公司 A kind of continous way screw dryer
CN205784425U (en) * 2016-06-07 2016-12-07 上虞冠峰食品机械有限公司 A kind of screw dryer
KR20180019037A (en) * 2016-08-15 2018-02-23 손종철 drying machine
CN207280130U (en) * 2017-08-03 2018-04-27 深圳市旭然电子有限公司 Membrane preheating device before coating
CN207407649U (en) * 2017-11-14 2018-05-25 济南玫苑生物科技有限公司 A kind of jasmine tea spiral continuous low-temperature baking room
CN208165907U (en) * 2018-04-13 2018-11-30 上海颍盛机械有限公司 Flexible auto-tensioning screw conveyor
CN211392676U (en) * 2019-12-04 2020-09-01 大同市同华矿机制造有限责任公司 Anti-deviation correcting device of mining belt conveyor
CN111536742A (en) * 2020-05-29 2020-08-14 南通远征冷冻设备有限公司 Double-screw quick-freezing equipment
CN212930858U (en) * 2020-07-30 2021-04-09 江苏华普干燥工程有限公司 Novel mesh belt type dryer
CN212842599U (en) * 2020-08-11 2021-03-30 江西云恩健康产业有限公司 Hot air circulation oven is used in nutrition powder production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113739550A (en) * 2021-09-18 2021-12-03 河南旭通智能科技有限公司 Dried bean drying equipment and dried bean drying method

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