CN114166006A - Positive pressure type temperature and humidity control drying system - Google Patents

Positive pressure type temperature and humidity control drying system Download PDF

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Publication number
CN114166006A
CN114166006A CN202111682043.9A CN202111682043A CN114166006A CN 114166006 A CN114166006 A CN 114166006A CN 202111682043 A CN202111682043 A CN 202111682043A CN 114166006 A CN114166006 A CN 114166006A
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CN
China
Prior art keywords
air
chamber
drying
positive pressure
air inlet
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Pending
Application number
CN202111682043.9A
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Chinese (zh)
Inventor
朱代理
李铁辉
贺乐平
贺维杰
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Hunan Nongyou Agricultural Equipment Co ltd
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Hunan Nongyou Agricultural Equipment Co ltd
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Publication date
Application filed by Hunan Nongyou Agricultural Equipment Co ltd filed Critical Hunan Nongyou Agricultural Equipment Co ltd
Priority to CN202111682043.9A priority Critical patent/CN114166006A/en
Publication of CN114166006A publication Critical patent/CN114166006A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • 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
    • 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
    • F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • 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
    • F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
    • 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
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/08—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/06—Grains, e.g. cereals, wheat, rice, corn

Abstract

The invention discloses a positive pressure type temperature and humidity control drying system which comprises a heat supply assembly, a positive pressure blowing assembly, a drying box body and a temperature and humidity control air supplementing assembly, wherein an air inlet chamber and an air outlet chamber are respectively arranged on two sides of the drying box body, and the positive pressure blowing assembly is arranged between a hot air outlet of the heat supply assembly and the air inlet chamber and is used for blowing hot air generated by the heat supply assembly into the air inlet chamber in a positive pressure mode. According to the positive pressure type temperature and humidity control drying system, hot air is supplied through the heat supply assembly, the hot air is pressed into the air inlet chamber under the action of the positive pressure air blowing assembly, the hot air is pressed into the drying chamber from the air inlet chamber for heat exchange and then is pressed out to the air outlet chamber, airflow circulation is carried out in a positive pressure air blowing mode, the airflow circulation enables grains in the drying chamber to be dried, the air speed at the air outlet of the drying chamber is low, grain leakage is not prone to occurring, meanwhile, the positive pressure type airflow circulation system raises few dust in the grain drying process, and cleaning of the operation environment is facilitated.

Description

Positive pressure type temperature and humidity control drying system
Technical Field
The invention relates to the technical field of drying equipment, in particular to a positive pressure type temperature and humidity control drying system.
Background
Present circulating grain drying-machine adopts the mode that sets up negative-pressure air fan at the air exit of drying-machine to make the air current circulation, and the air current circulation makes and the grain heat exchange in the drying chamber and then dries the cereal in the drying chamber, adopts the negative pressure to air exhaust and carries out the air current circulation and have following problem: one is that the grain is easily taken out due to large negative pressure suction wind force, so that the grain runs; secondly, the grain in the airflow circulating system has much dust.
Disclosure of Invention
The positive pressure type temperature and humidity control drying system provided by the invention solves the technical problems that the grain in the air circulation system of the existing dryer is more in dust, and the grain is easy to run out of the air outlet of the drying chamber.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a positive pressure type temperature and humidity control drying system comprises a heat supply assembly, a positive pressure blowing assembly, a drying box body and a temperature and humidity control air supplement assembly, wherein a drying chamber is arranged in the drying box body, an air inlet chamber and an air outlet chamber are respectively arranged on two sides of the drying box body, an air inlet communicated with the air inlet chamber is arranged on one side wall of the drying chamber, an air outlet communicated with the air outlet chamber is arranged on the other side wall of the drying chamber, the positive pressure blowing assembly is arranged between a hot air outlet of the heat supply assembly and the air inlet chamber and is used for blowing hot air generated by the heat supply assembly into the air inlet chamber in a positive pressure mode, then the hot air is pressed into the drying chamber from the air inlet chamber and is discharged into the air outlet chamber after heat exchange, the temperature and humidity control air supplement assembly is used for recovering residual hot air in the air outlet chamber and guiding the residual heat air to flow back to a fresh air inlet of the heat supply assembly, or the temperature and humidity control assembly is used for discharging residual air exhausted from the air outlet chamber to the outside, the outside new trend that will be located outside the heat supply subassembly leads to the new trend entry of heat supply subassembly.
Further, the positive pressure air blowing assembly is communicated with the air inlet chamber from the bottom of the air inlet chamber so as to press hot air into the air inlet chamber from the bottom of the air inlet chamber.
Furthermore, the temperature control, humidity control and air supplement assembly comprises a humidity exhaust valve, an air supplement valve and an air return pipeline, wherein the humidity exhaust valve is arranged on the side wall of the air exhaust chamber, an output port of the air return pipeline is communicated with a fresh air inlet of the heat supply assembly, the air supplement valve is arranged between an input port of the air return pipeline and an output port of the air exhaust chamber, the air exhaust chamber is communicated with the air return pipeline through the air supplement valve so that residual heat air in the air exhaust chamber flows back to the fresh air inlet of the hot air assembly, or the output port of the air exhaust chamber is closed through the air supplement valve and the input port of the air return pipeline is communicated with the outside of the heat supply assembly so that the residual heat air in the air exhaust chamber is exhausted through the humidity exhaust valve, and meanwhile, outside fresh air outside the heat supply assembly is sucked from the input port of the air return pipeline and conveyed to the fresh air inlet of the hot air assembly.
Further, the air return pipeline is used for communicating the air exhaust chamber with the bottom of the air exhaust chamber, so that residual heat air in the air exhaust chamber is recycled to the heat supply assembly from the bottom of the air exhaust chamber.
Furthermore, the temperature-control humidity-control air supplementing assembly also comprises a humidity sensor arranged in the air exhaust chamber.
Furthermore, the air outlet chamber and the air inlet chamber are arranged oppositely, a plurality of air inlets are arranged on the side wall of one side of the drying chamber, the plurality of air inlets are arranged at intervals along the height direction of the drying box body to form a row of vertical air inlets, a plurality of air outlets are arranged at intervals along the height direction of the drying box body to form a row of vertical air outlets, the drying box body comprises a first air guide horn-shaped box and a second air guide horn-shaped box which are respectively arranged in the drying chamber, the first air guide horn-shaped box is arranged corresponding to the air inlets of the drying chamber one by one, the second air guide horn-shaped box is arranged corresponding to the air outlets of the drying chamber one by one, the first air guide horn-shaped box and the second air guide horn-shaped box are arranged at intervals along the height direction of the drying box body, a first air vent is arranged on the wall body of the first air guide horn-shaped box, the air flow input end of the first air guide horn-shaped box is communicated with the air inlets of the corresponding drying chamber, the air flow output by the air inlet chamber is collected through the first air guide horn-shaped box, and the air flow is guided into the drying chamber through the first vent hole; be equipped with the second air vent on the wall body of second wind-guiding horn shape box, the air current output end of second wind-guiding horn shape box and the air exit intercommunication of the drying chamber that corresponds, collect the air current in the drying chamber through the second air vent and derive the air current of collecting to the air exhaust indoor through second wind-guiding horn shape box, and then carry out the heat exchange with the air current of drying chamber when the material passes the drying chamber.
Further, multirow vertical row air intake is arranged along horizontal interval on the horizontal direction, and first wind guide horn shape box is the level and lays, and a plurality of first wind guide horn shape boxes are arranged along horizontal interval and are laid with the air intake one-to-one of drying chamber.
Further, multirow vertical exhaust air exit arranges along horizontal interval on the horizontal direction, and second wind guide horn shape box is the level and lays, and a plurality of second wind guide horn shape boxes arrange along horizontal interval and lay with the air exit one-to-one of drying chamber.
Furthermore, the first wind guide horn-shaped box and the second wind guide horn-shaped box are arranged along the transverse dislocation.
Further, the bottom of first wind-guiding horn-shaped box is equipped with first breach of ventilating, be equipped with first venthole on the lateral wall of first wind-guiding horn-shaped box, the air input of first wind-guiding horn-shaped box and the air intake intercommunication of drying chamber, the other end of first wind-guiding horn-shaped box and the lateral wall face sealing connection of drying chamber so that the other end of first wind-guiding horn-shaped box cuts off with the exhaust chamber, the bottom of second wind-guiding horn-shaped box is equipped with second venthole, be equipped with second venthole on the lateral wall of second wind-guiding horn-shaped box, the air output of second wind-guiding horn-shaped box and the air exit intercommunication of drying chamber, the other end of second wind-guiding horn-shaped box and the lateral wall face sealing connection of drying chamber so that the other end of second wind-guiding box cuts off with the intake chamber.
The invention has the following beneficial effects:
the positive pressure type temperature and humidity control drying system comprises a heat supply assembly, a positive pressure blowing assembly, a drying box body and a temperature and humidity control air supplement assembly. The heat supply assembly provides hot air, the hot air is pressed into the air inlet chamber under the action of the positive pressure air blowing assembly, the hot air is pressed into the drying chamber from the air inlet chamber for heat exchange and then is pressed out to the air outlet chamber, airflow circulation is carried out in a positive pressure air blowing mode, the airflow circulation enables grains in the drying chamber to be dried, the air speed at the air outlet of the drying chamber is low, grain leakage is not easy to occur, meanwhile, grain flying dust generated in the grain circulation process is easy to blow out from a top feed inlet of the drying chamber, and the grain flying dust in the airflow circulation system is less; the temperature and humidity control and air supplement assembly is arranged, so that the adjustment can be conveniently carried out according to the temperature and the humidity of the residual hot air in the air exhaust chamber, the residual hot air in the air exhaust chamber is recovered, the residual hot air is guided to flow back to the fresh air inlet of the heat supply assembly, and the working efficiency of the drying system is improved; through setting up the wet air supplement subassembly of accuse temperature accuse, will exhaust the indoor waste heat wind of airing exhaust and discharge to the outdoor time of airing exhaust, will be in the outside new trend guide of heat supply subassembly to the new trend entry of heat supply subassembly to improve the hot-blast humidity that gets into in the drying chamber, avoid cereal to explode the waist, improved cereal quality.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is one of the cross-sectional views of a positive pressure temperature and humidity controlled drying system according to the preferred embodiment of the present invention;
fig. 2 is a second cross-sectional view of the positive pressure type temperature and humidity control drying system according to the preferred embodiment of the present invention;
FIG. 3 is a side view of a positive pressure temperature and humidity controlled drying system in accordance with a preferred embodiment of the present invention;
fig. 4 is a schematic perspective view of the drying cabinet of fig. 1.
Illustration of the drawings:
100. a positive pressure temperature and humidity control drying system; 10. a heat supply assembly; 20. a positive pressure blower assembly; 30. drying the box body; 31. a drying chamber; 32. an air inlet chamber; 33. an exhaust chamber; 34. a first wind guide horn-shaped box; 35. a second wind guide horn-shaped box; 40. a temperature and humidity control and air supplement component; 41. a moisture removal valve; 42. an air supplement valve; 43. and (4) a return air pipeline.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.
FIG. 1 is one of the cross-sectional views of a positive pressure temperature and humidity controlled drying system according to the preferred embodiment of the present invention; fig. 2 is a second cross-sectional view of the positive pressure type temperature and humidity control drying system according to the preferred embodiment of the present invention; FIG. 3 is a side view of a positive pressure temperature and humidity controlled drying system in accordance with a preferred embodiment of the present invention; fig. 4 is a schematic perspective view of the drying cabinet of fig. 1.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the positive pressure type temperature and humidity control drying system 100 of this embodiment includes a heat supply assembly 10, a positive pressure blowing assembly 20, a drying box 30 and a temperature and humidity control air supplement assembly 40, wherein a drying chamber 31 is disposed in the drying box 30, an air intake chamber 32 and an air exhaust chamber 33 are respectively disposed at two sides of the drying box 30, an air intake communicated with the air intake chamber 32 is disposed at a side wall of one side of the drying chamber 31, an air exhaust communicated with the air exhaust chamber 33 is disposed at a side wall of the other side of the drying chamber 31, the positive pressure blowing assembly 20 is disposed between the hot air outlet of the heat supply assembly 10 and the air intake chamber 32 for blowing the hot air generated by the heat supply assembly 10 into the air intake chamber 32 under positive pressure, so that the hot air is pressed into the drying chamber 31 from the air intake chamber 32 for heat exchange and then exhausted to the air exhaust chamber 33, the temperature and humidity control air supplement assembly 40 is used for recovering the residual heat air in the air recovery chamber 33 and guiding the residual air to flow back to the fresh air inlet of the heat supply assembly 10, or, the temperature and humidity control assembly is used for discharging the residual heat air in the exhaust chamber 33 to the outside of the exhaust chamber 33 and guiding the external fresh air outside the heat supply assembly 10 to the fresh air inlet of the heat supply assembly 10.
The positive pressure type temperature-control humidity-control drying system 100 provided by the invention comprises a heat supply assembly 10, a positive pressure blowing assembly 20, a drying box body 30 and a temperature-control humidity-control air supplement assembly 40. Hot air is provided by the heat supply assembly 10, the hot air is pressed into the air inlet chamber 32 under the action of the positive pressure air blowing assembly 20, the hot air is pressed into the drying chamber 31 from the air inlet chamber 32 for heat exchange and then is pressed out to the air outlet chamber 33, airflow circulation is carried out in a positive pressure air blowing mode, the airflow circulation enables the hot air to be dried with grains in the drying chamber 31, the air speed at the air outlet of the drying chamber 31 is low, grain leakage is not easy to occur, meanwhile, grain dust generated in the grain circulation process is easy to blow out from a feed inlet at the top of the drying chamber 31, and the grain dust in the airflow circulation system is less; the temperature and humidity control and air supplement assembly 40 is arranged, so that the adjustment can be conveniently carried out according to the temperature and the humidity of the residual hot air in the exhaust chamber 33, the residual hot air in the exhaust chamber 33 is recovered, and the residual hot air is guided to flow back to the fresh air inlet of the heat supply assembly 10, so that the working efficiency of the drying system is improved; through setting up the wet air supplement subassembly 40 of accuse temperature accuse, when discharging the waste heat wind in the room 33 of airing exhaust outside the room 33 of airing exhaust, will be in the outside new trend guide outside the heat supply subassembly 10 to the new trend entry of heat supply subassembly 10 to improve the hot-blast humidity of entering in the drying chamber 31, avoid cereal to explode the waist, improved the cereal quality.
Alternatively, drying box 30 may be a polygonal body, or may be a cylinder or the like. Preferably, the drying box 30 is a quadrilateral body, the air inlet chamber 32 and the air outlet chamber 33 are oppositely arranged, hot air is blown into the air inlet chamber 32 through the positive pressure blowing assembly 20 and then discharged into the drying chamber 31 along the direction from the air inlet chamber 32 to the air outlet chamber, heat exchange is carried out in the drying chamber 31, and then the hot air is discharged into the air outlet chamber 33 along the direction from the air inlet chamber 32 to the air outlet chamber, and the air flow pressure loss is small in the air flow circulation process; the positive pressure blowing component 20 can also be a positive pressure fan; the heating assembly 10 can be a biomass hot blast stove or an electric heating type heating stove.
Further, in order to facilitate the grain raise dust in the drying chamber 31 to be discharged from the top of the drying chamber 31, the positive pressure blowing assembly 20 is communicated with the air inlet chamber 32 from the bottom of the air inlet chamber 32 to press hot air into the air inlet chamber 32 from the bottom of the air inlet chamber 32, and the positive pressure type air flow circulating system has less raise dust in the grain drying process, thereby being beneficial to cleaning the working environment.
Referring to fig. 1 again, the temperature-controlling, humidity-controlling and air-supplementing assembly 40 includes a humidity-discharging valve 41, an air-supplementing valve 42 and an air-returning pipeline 43, the humidity-discharging valve 41 is disposed on the sidewall of the air-discharging chamber 33, an output port of the air-returning pipeline 43 is communicated with a fresh air inlet of the heat-supplying assembly 10, the air-supplementing valve 42 is disposed between an input port of the air-returning pipeline 43 and an output port of the air-discharging chamber 33, the air-discharging chamber 33 is communicated with the air-returning pipeline 43 through the air-supplementing valve 42 to return the residual heat air in the air-discharging chamber 33 to the fresh air inlet of the hot air assembly, or the output port of the air-discharging chamber 33 is closed through the air-supplementing valve 42 and an input port of the air-returning pipeline 43 is communicated with the outside of the heat-supplying assembly 10, so that the residual heat air in the air-discharging chamber 33 is discharged through the humidity-discharging valve 41, and the fresh air outside the heat-supplying assembly 10 is sucked from an input port of the air-returning pipeline 43 and is delivered to the fresh air inlet of the hot air assembly. The positive pressure type temperature and humidity control drying system 100 comprises a hot air circulation mode and a temperature and humidity control mode, wherein in the hot air circulation mode, the air supplementing valve 42 enables the exhaust chamber 33 to be communicated with the air return pipeline 43, the residual heat air in the exhaust chamber 33 flows back to the heat supply assembly 10 to be heated again, the hot air is pressed into the air inlet chamber 32 through the positive pressure air blowing assembly 20, the hot air in the air inlet chamber 32 is pressed into the drying chamber 31 through the air inlet of the drying chamber 31, and the residual heat air is recycled in the mode, so that the work of the heat supply assembly 10 is reduced, and the working efficiency is improved; under the mode of temperature control and humidity control, the air supplementing valve 42 closes the output port of the exhaust chamber 33 and enables the input port of the air return pipeline 43 to be communicated with the outside of the heat supply assembly 10, so that residual heat air in the exhaust chamber 33 is exhausted through the humidity exhaust valve 41, and meanwhile, external fresh air outside the heat supply assembly 10 is sucked from the input port of the air return pipeline 43 and is conveyed to the fresh air inlet of the hot air assembly.
Further, the dehumidifying valve 41 is provided at an upper portion of the exhaust chamber 33 in order to facilitate the exhaust of the exhaust air from the exhaust chamber 33.
Further, the air return duct 43 is used for communicating with the exhaust chamber 33 from the bottom of the exhaust chamber 33, so as to recover the residual heat air in the exhaust chamber 33 to the heating assembly 10 from the bottom of the exhaust chamber 33. It can be understood that, in the present invention, the hot air is pressed from the bottom of the air inlet chamber 32, and the residual hot air is recycled to the heat supply assembly 10 from the bottom of the air outlet chamber 33, so that the pressure loss in the air flow circulation process is small, and the air flow circulation performance is good.
Further, in order to facilitate detecting the humidity of the residual hot air in the exhaust chamber 33, the temperature and humidity controlling and air supplementing assembly 40 further includes a humidity sensor disposed in the exhaust chamber 33. Preferably, in order to facilitate detecting the temperature of the residual heat air in the exhaust chamber 33, the temperature-controlling, humidity-controlling and air-supplementing assembly 40 further includes a temperature sensor disposed in the exhaust chamber 33.
Referring to fig. 4 again, further, the air outlet chamber 33 and the air inlet chamber 32 are oppositely disposed, a plurality of air inlets are disposed on a side wall of the drying chamber 31, the plurality of air inlets are arranged at intervals along a height direction of the drying box 30 to form a row of vertical air inlets, a plurality of air outlets are disposed on a side wall of the drying chamber 31, the plurality of air outlets are arranged at intervals along the height direction of the drying box 30 to form a row of vertical air outlets, the drying box 30 includes a first wind guide angle-shaped box 34 and a second wind guide angle-shaped box 35 respectively disposed in the drying chamber 31, the first wind guide angle-shaped box 34 and the air inlets of the drying chamber 31 are disposed in a one-to-one correspondence manner, the second wind guide angle-shaped box 35 and the air outlets of the drying chamber 31 are disposed in a one-to-one correspondence manner, the first wind guide angle-shaped box 34 and the second wind guide box 35 are arranged at intervals along the height direction of the drying box 30, a first vent 341 is disposed on a wall body of the first wind guide angle-shaped box 34, the air flow input end of the first wind guide horn-shaped box 34 is communicated with the corresponding air inlet of the drying chamber 31, and the air flow output by the air inlet chamber 32 is collected by the first wind guide horn-shaped box 34 and is guided into the drying chamber 31 through the first vent hole 341; be equipped with second venthole 351 on the wall body of second wind-guiding horn shape box 35, the air current output end of second wind-guiding horn shape box 35 and the air exit intercommunication of the drying chamber 31 that corresponds, collect the air current in the drying chamber 31 through second venthole 351 and derive the air current of collecting to the air-out chamber 33 in through second wind-guiding horn shape box 35, and then carry out the heat exchange with the air current of drying chamber 31 when the material passes drying chamber 31. It can be understood that, in the positive pressure type temperature and humidity control drying system 100 of the present invention, when grain drying is performed, grain enters into the drying chamber 31 from the top feeding port of the drying box 30, the grain is discharged from the bottom discharging port of the drying box 30 after passing through the first wind guide angle-shaped box 34 and the second wind guide angle-shaped box 35 in the drying chamber 31, hot air is blown into the air inlet chamber 32 through the positive pressure air blowing assembly 20, the first wind guide angle-shaped box 34 is communicated with the air inlet of the drying chamber 31, under the guiding action of the first wind guide angle-shaped box 34, the grain is discharged from the first vent 341 and distributed into the drying chamber 31 to be uniformly contacted with the grain, the second wind guide angle-shaped box 35 is communicated with the air outlet of the drying chamber 31, under the guiding action of the second wind guide angle-shaped box 35, high temperature moisture after heat exchange with the grain enters the air outlet chamber 33, at this time, the air speed at the air outlet is low, the grain is not easily taken out, and the uniformity of grain drying is improved, Grain is avoided.
When the positive pressure type temperature and humidity control drying system 100 is used in particular, because the two sides of the drying box body 30 are respectively provided with the air inlet chamber 32 and the air outlet chamber 33, the air outlet chamber 33 and the air inlet chamber 32 are oppositely arranged, the first air guide horn-shaped box 34 and the second air guide horn-shaped box 35 are connected between the air inlet chamber 32 and the air outlet chamber 33, the first air guide horn-shaped box 34 is arranged by penetrating through the drying chamber 31, the wall body of the first air guide horn-shaped box 34 is provided with the first vent hole 341, the second air guide horn-shaped box 35 is arranged by penetrating through the drying chamber 31, the wall body of the second air guide horn-shaped box 35 is provided with the second vent hole 351, when the material passes through the drying chamber 31, hot air is pressed into the first air guide horn-shaped box 34 from the air inlet of the air inlet chamber 32 and is discharged into the drying chamber 31 from the first vent hole 341 for heat exchange, the air flow after heat exchange is collected by the second vent hole 351, enters the second air guide horn-shaped box 35 and is discharged into the air outlet of the drying chamber 31 to the air outlet chamber 33, the flow path of the hot air in the drying chamber 31 is long, and the hot air and the material in the drying chamber 31 are subjected to sufficient heat exchange; the positive pressure blowing assembly 20 is matched with the first vent hole 341 and the second vent hole 351, air flow is pressed into the drying chamber 31 from the air inlet chamber 32 and then discharged to the air outlet chamber 33, the phenomenon of grain leakage cannot occur to materials in the drying chamber 31, grain dust in the drying chamber 31 is blown out of the drying chamber 31, and the grain dust in the air circulation system is less.
More preferably, in order to improve heat exchange efficiency, the quantity of first wind guide angle shape box 34 is a plurality of, and the quantity of second wind guide angle shape box 35 is a plurality of, and two vertical adjacent wind guide angle shape boxes are alternately arranged through first wind guide angle shape box 34 along vertical adjacent, and two vertical adjacent first wind guide angle shape boxes 34 are alternately arranged through second wind guide angle shape box 35 along vertical adjacent.
Further, in order to improve the heat exchange efficiency, multiple rows of vertical air inlets are horizontally arranged at intervals, the first air guide horn-shaped boxes 34 are horizontally arranged, and the multiple first air guide horn-shaped boxes 34 are horizontally arranged at intervals and are arranged in one-to-one correspondence with the air inlets of the drying chamber 31; multirow vertical exhaust air exit arranges along horizontal interval on the horizontal direction, and second wind guide horn shape box 35 is the level and lays, and a plurality of second wind guide horn shape boxes 35 arrange along horizontal interval and lay with the air exit one-to-one of drying chamber 31. In the present invention, it can be understood that the material enters the drying chamber 31, and then passes through and is dried through the gap between the adjacent first wind guide angle-shaped boxes 34, the gap between the adjacent second wind guide angle-shaped boxes 35, and the gap between the first wind guide angle-shaped boxes 34 and the second wind guide angle-shaped boxes 35, and then is discharged from the bottom outlet of the drying box 30.
Further, in order to improve the time for the materials to pass through the drying chamber 31 so as to enable the materials to exchange heat sufficiently, the first wind guide angle-shaped box 34 and the second wind guide angle-shaped box 35 are arranged along the transverse direction in a staggered mode.
Further, the bottom of first wind-guiding horn-shaped box 34 is provided with a first ventilation notch, the side wall of first wind-guiding horn-shaped box 34 is provided with a first small ventilation hole, the airflow input end of first wind-guiding horn-shaped box 34 is communicated with the air inlet of drying chamber 31, the other end of first wind-guiding horn-shaped box 34 is hermetically connected with the side wall surface of drying chamber 31 so that the other end of first wind-guiding horn-shaped box 34 is separated from air exhaust chamber 33, the bottom of second wind-guiding horn-shaped box 35 is provided with a second ventilation notch, the side wall of second wind-guiding horn-shaped box 35 is provided with a second small ventilation hole, the airflow output end of second wind-guiding horn-shaped box 35 is communicated with the air exhaust port of drying chamber 31, and the other end of second wind-guiding horn-shaped box 35 is hermetically connected with the side wall surface of drying chamber 31 so that the other end of second wind-guiding box 35 is separated from air inlet chamber 32. It can be understood that the first vent notch, the first vent hole, the second vent notch and the second vent hole are combined to communicate the air inlet and outlet chamber 33 and perform air flow exchange with the drying chamber 31; first wind-guiding horn shape box 34 is the same with the structure of second wind-guiding horn shape box 35, all adopts the wind-guiding triangle, the cross-sectional shape of first wind-guiding horn shape box 34 is triangle-shaped, the apex angle of first wind-guiding horn shape box 34 upwards lays, the bottom of first wind-guiding horn shape box 34 is equipped with the first breach of laying along the extending direction of first wind-guiding triangle, the material flows into drying chamber 31 back from the feed inlet, pass drying chamber 31 and carry out the dynamic drying that the heat exchange has realized the material.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A positive pressure type temperature and humidity control drying system, which is characterized in that,
comprises a heat supply component (10), a positive pressure blowing component (20), a drying box body (30) and a temperature and humidity control and control air supplementing component (40), wherein a drying chamber (31) is arranged in the drying box body (30), an air inlet chamber (32) and an air outlet chamber (33) are respectively arranged at two sides of the drying box body (30), an air inlet communicated with the air inlet chamber (32) is arranged on the side wall of one side of the drying chamber (31), an air outlet communicated with the air outlet chamber (33) is arranged on the side wall of the other side of the drying chamber (31),
the positive pressure blowing component (20) is arranged between a hot air outlet of the heat supply component (10) and the air inlet chamber (32) and is used for blowing the hot air generated by the heat supply component (10) into the air inlet chamber (32) at positive pressure, so that the hot air is pressed into the drying chamber (31) from the air inlet chamber (32) and is discharged to the air outlet chamber (33) after heat exchange,
wet tonifying wind subassembly (40) of accuse temperature is used for retrieving exhaust room (33) interior surplus hot-blast and guide surplus hot-blast backward flow extremely the new trend entry of heat supply subassembly (10), perhaps, the wet subassembly of accuse temperature is used for with exhaust room (33) interior surplus hot-blast discharge extremely when exhaust room (33) is outer, will be in the outer outside new trend of heat supply subassembly (10) guides extremely the new trend entry of heat supply subassembly (10).
2. The positive pressure temperature and humidity control drying system of claim 1,
the positive pressure blowing assembly (20) is communicated with the air inlet chamber (32) from the bottom of the air inlet chamber (32) so as to press hot air into the air inlet chamber (32) from the bottom of the air inlet chamber (32).
3. The positive pressure temperature and humidity control drying system of claim 1,
the temperature control, humidity control and air supplement component (40) comprises a moisture exhaust valve (41), an air supplement valve (42) and an air return pipeline (43),
the moisture exhaust valve (41) is arranged on the side wall of the exhaust chamber (33),
the output port of the return air pipeline (43) is communicated with the fresh air inlet of the heat supply assembly (10), the air supplementing valve (42) is arranged between an input port of the air return pipeline (43) and an output port of the exhaust chamber (33), the exhaust chamber (33) is communicated with the air return pipeline (43) through the air supplement valve (42) so as to lead the residual heat air in the exhaust chamber (33) to flow back to a fresh air inlet of the hot air component, or the air supplementing valve (42) is used for closing the output port of the exhaust chamber (33) and enabling the input port of the return air pipeline (43) to be communicated with the outside of the heat supply assembly (10), so that the residual heat wind in the exhaust chamber (33) is exhausted through the moisture exhaust valve (41), and meanwhile, external fresh air outside the heat supply assembly (10) is sucked from the input port of the air return pipeline (43) and is conveyed to the fresh air inlet of the hot air assembly.
4. The positive pressure temperature and humidity control drying system of claim 3,
the air return pipeline (43) is used for communicating the bottom of the exhaust chamber (33) with the exhaust chamber (33) so as to recover residual heat air in the exhaust chamber (33) to the heat supply assembly (10) from the bottom of the exhaust chamber (33).
5. The positive pressure temperature and humidity control drying system of claim 4,
the temperature-control humidity-control air supplementing assembly (40) further comprises a humidity sensor arranged in the exhaust chamber (33).
6. The positive pressure temperature and humidity control drying system of claim 1,
the air exhaust chamber (33) and the air inlet chamber (32) are arranged oppositely, a plurality of air inlets are arranged on the side wall of one side of the drying chamber (31) and are arranged at intervals along the height direction of the drying box body (30) to form a row of vertical air exhaust inlets, a plurality of air outlets are arranged on the side wall of the other side of the drying chamber (31) and are arranged at intervals along the height direction of the drying box body (30) to form a row of vertical air exhaust outlets,
the drying box body (30) comprises a first wind guide angle-shaped box (34) and a second wind guide angle-shaped box (35) which are respectively arranged in the drying chamber (31), the first wind guide angle-shaped box (34) and the air inlet of the drying chamber (31) are arranged in a one-to-one correspondence mode, the second wind guide angle-shaped box (35) and the air outlet of the drying chamber (31) are arranged in a one-to-one correspondence mode, the first wind guide angle-shaped box (34) and the second wind guide angle-shaped box (35) are arranged at intervals along the height direction of the drying box body (30),
a first vent hole (341) is formed in the wall body of the first wind guide horn-shaped box (34), the airflow input end of the first wind guide horn-shaped box (34) is communicated with the corresponding air inlet of the drying chamber (31), and airflow output by the air inlet chamber (32) is collected through the first wind guide horn-shaped box (34) and guided into the drying chamber (31) through the first vent hole (341); be equipped with second venthole (351) on the wall body of second wind-guiding horn shape box (35), the air current output end of second wind-guiding horn shape box (35) with correspond the air exit intercommunication of drying chamber (31), through second venthole (351) are collected the air current in drying chamber (31) and pass through second wind-guiding horn shape box (35) will be collected the air current derive extremely in air exhausting chamber (33), and then when the material passed drying chamber (31) with the air current of drying chamber (31) carries out the heat exchange.
7. The positive pressure temperature and humidity control drying system of claim 6,
a plurality of rows of vertical air inlets are arranged at intervals along the horizontal direction,
the first wind guide horn-shaped boxes (34) are horizontally arranged, and the first wind guide horn-shaped boxes (34) are transversely arranged at intervals and are arranged in one-to-one correspondence with the air inlets of the drying chamber (31).
8. The positive pressure temperature and humidity control drying system of claim 7,
a plurality of rows of vertical exhaust air outlets are arranged at intervals along the horizontal direction,
the second wind guide horn-shaped boxes (35) are horizontally arranged, and the second wind guide horn-shaped boxes (35) are transversely arranged at intervals and are arranged in one-to-one correspondence with the air outlets of the drying chamber (31).
9. The positive pressure temperature and humidity control drying system of claim 8,
the first wind guide angle-shaped box (34) and the second wind guide angle-shaped box (35) are arranged along the transverse direction in a staggered mode.
10. The positive pressure temperature and humidity control drying system of claim 6,
the bottom of the first wind guide horn-shaped box (34) is provided with a first ventilation notch, the side wall of the first wind guide horn-shaped box (34) is provided with a first small ventilation hole, the airflow input end of the first wind guide horn-shaped box (34) is communicated with the air inlet of the drying chamber (31), the other end of the first wind guide horn-shaped box (34) is hermetically connected with the side wall surface of the drying chamber (31) so as to lead the other end of the first wind guide horn-shaped box (34) to be separated from the exhaust chamber (33),
the bottom of second wind-guiding horn shape box (35) is equipped with the second breach of ventilating, be equipped with the second aperture of ventilating on the lateral wall of second wind-guiding horn shape box (35), the air current output of second wind-guiding horn shape box (35) with the air exit intercommunication of drying chamber (31), the other end of second wind-guiding horn shape box (35) with the lateral wall face sealing connection of drying chamber (31) is so that the other end of second wind-guiding horn shape box (35) with air inlet chamber (32) cut off.
CN202111682043.9A 2021-12-31 2021-12-31 Positive pressure type temperature and humidity control drying system Pending CN114166006A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111682043.9A CN114166006A (en) 2021-12-31 2021-12-31 Positive pressure type temperature and humidity control drying system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111682043.9A CN114166006A (en) 2021-12-31 2021-12-31 Positive pressure type temperature and humidity control drying system

Publications (1)

Publication Number Publication Date
CN114166006A true CN114166006A (en) 2022-03-11

Family

ID=80489044

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111682043.9A Pending CN114166006A (en) 2021-12-31 2021-12-31 Positive pressure type temperature and humidity control drying system

Country Status (1)

Country Link
CN (1) CN114166006A (en)

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