CN112841339B - Dehumidification device for fresh tea leaves and processing technology of dehumidification device - Google Patents
Dehumidification device for fresh tea leaves and processing technology of dehumidification device Download PDFInfo
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- CN112841339B CN112841339B CN202110143172.4A CN202110143172A CN112841339B CN 112841339 B CN112841339 B CN 112841339B CN 202110143172 A CN202110143172 A CN 202110143172A CN 112841339 B CN112841339 B CN 112841339B
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 46
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- 238000005516 engineering process Methods 0.000 title abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 13
- 230000008859 change Effects 0.000 claims abstract description 11
- 230000009471 action Effects 0.000 claims description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 230000001429 stepping effect Effects 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 238000001179 sorption measurement Methods 0.000 claims description 9
- 230000001052 transient effect Effects 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000003892 spreading Methods 0.000 abstract description 10
- 230000007480 spreading Effects 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 238000001035 drying Methods 0.000 abstract description 7
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- 244000269722 Thea sinensis Species 0.000 description 110
- 239000000463 material Substances 0.000 description 9
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- 230000005494 condensation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 206010044565 Tremor Diseases 0.000 description 3
- 108010066057 cabin-1 Proteins 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 3
- 235000009024 Ceanothus sanguineus Nutrition 0.000 description 2
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- 235000015459 Lycium barbarum Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
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- 244000025254 Cannabis sativa Species 0.000 description 1
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
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Abstract
The application discloses a dehumidifying device for fresh tea leaves, which comprises a cold air circulation system, a vertical dehumidifying cabin body connected to a loop of the cold air circulation system, wherein a shaking mechanism and a temperature control component are arranged in the vertical dehumidifying cabin body, and the processing technology comprises the steps of placing tea leaves on a net body and forming ascending dry cold air flow on the net body from bottom to top; through intermittent change the form of the net body, the tea leaves on the net body are in a flat-laid state, a unilateral stacking state and a flat-laid state, and when the tea leaves on the net body are in the unilateral stacking state, the tea leaves are heated, and convection of cold air and hot air is formed in the tea leaves. The application solves the problems of uneven heating and surface damage of the tea caused by the heat radiation effect of drying and the like and mechanical turning of the tea in the prior tea fresh leaf spreading technology in a natural state, wherein the change of the physical and chemical properties of the surface of the tea is asynchronous in the high temperature or continuous cold air dehumidification process, and the spreading time and the effect are not easy to control.
Description
Technical Field
The application relates to the technical field of tea preparation, in particular to a dehumidifying device for fresh tea and a processing technology thereof.
Background
The fresh tea leaves are tender branch bud leaves picked from tea trees, namely green leaves or raw leaves, wherein the water content of the fresh tea leaves is about 75%, part of water needs to be removed from the fresh tea leaves, so that the quality of the fresh tea leaves is softened, the plasticity is increased, the color of the fresh tea leaves is darkened, the green grass gas is gradually converted into faint scent, the fragrance of the finished tea can be improved, the taste is improved, the later processing of the fresh tea leaves is facilitated, and favorable conditions are created for mass production.
The existence of fresh tea surface moisture influences subsequent withering and stir-frying processes, especially in overcast and rainy weather, and under the condition of higher air environment humidity, the natural emission of the surface moisture of fresh picked tea is slower, and even and rapid removal of fresh tea surface moisture is more needed, so that in subsequent processing, the tea is heated unevenly due to the existence of the surface moisture, and then the conversion of effective substances in the tea is insufficient.
The existing fresh tea dehumidification can be carried out in a natural state by a spreading mode, but the water loss rate during spreading is easily influenced by the environment such as the temperature and humidity and the wind speed of the outside at that time, the time consumption is long, and the spreading effect is not easy to control.
The existing fresh tea dehumidification can be performed under the effect of hot complexion such as drying, but when tea leaves are piled together, overlapping or shielding surfaces among the tea leaves are too many, the lamination of the surfaces of the tea leaves is easy to occur, and then full and complete dehumidification cannot be performed.
The existing fresh tea leaves are dehumidified, and although the occurrence of the conditions can be reduced by turning or drying flowing air, the surface of the tea leaves is slightly embrittled by external mechanical force, so that the surface of the tea leaves is damaged, and mineral substances and organic substances in the tea leaves are lost in subsequent treatment.
Disclosure of Invention
The application aims to provide a dehumidifying device for fresh tea leaves and a processing technology thereof, which are used for solving the problems that in the natural state tea fresh leaf spreading technology in the prior art, the change of the physical and chemical properties of the surface of tea leaves is asynchronous in the high-temperature or continuous cold air dehumidifying process, and the spreading time and effect are not easy to control; under the heat radiation effect of drying and the like and the mechanical stirring of tea leaves, and the technical problems of uneven heating and surface damage of the tea leaves are solved.
In order to solve the technical problems, the application specifically provides the following technical scheme:
the utility model provides a dehydrating unit of fresh tea leaf, includes cold wind circulation system, and connects vertical dehumidification cabin body on cold wind circulation system's the return circuit, the inside of vertical dehumidification cabin body is provided with trembles material mechanism and control by temperature change subassembly, tremble the material mechanism be used for intermittent type with tealeaves through tiling, unilateral heap and the mode of tiling again, make tealeaves and by cold wind circulation system blows in from vertical dehumidification cabin body bottom cold wind contact, the control by temperature change subassembly be used for with tremble the material mechanism in carrying out unilateral heap and the tealeaves contact of the process of tiling again, and through the mode of heating in tealeaves with cold wind that cold wind circulation system provided forms the convection current.
As a preferable scheme of the application, the material shaking mechanism comprises a net body for containing tea, wherein both sides of the net body are connected with action executing mechanisms in the vertical direction, and the action executing mechanisms at both sides of the net body are mutually matched to dynamically form height differences at both sides of the net body, so that tea paved on the net body is piled up to one side of the net body;
and when the height of the action executing mechanism at one side of the net body exceeds the temperature control assembly and the net body is contacted with the temperature control assembly, the action executing mechanisms at two sides start asynchronous reverse actions, the heights of the two sides of the net body are changed, and finally the singly piled tea leaves are restored to a tiled state on the net body.
As a preferable scheme of the application, four corners of the net body are all provided with action executing mechanisms in the vertical direction, the action executing mechanisms are arranged on the vertical dehumidification cabin body through transverse displacement mechanisms, the four action executing mechanisms which are mutually matched are driven to move far away or close to each other in the radial direction of the vertical dehumidification cabin body, so that the net body is converted from a horizontal state to a bag-shaped state, the bag-shaped net body forms an effective spherical surface for containing tea leaves, and the effective spherical surface always coincides with the spherical surface of the spherical body taking the appearance length of the temperature control assembly as the diameter.
As a preferred scheme of the application, the motion executing mechanism comprises a stepping motion assembly and a transient motion assembly, wherein the transient motion assembly is arranged on the stepping motion assembly, and the side edge or the corner of the net body is arranged on the top of the transient motion assembly;
the stepping action assembly is used for enabling tea leaves on the net body to be changed into a unilateral stacking state from a flat stacking state, and the instant action assembly is used for enabling tea leaves on the net body to be changed into a flat stacking state from a unilateral stacking state.
As a preferable scheme of the application, the stepping action assembly comprises a guide bracket seat and a hollow linear screw rod which is spirally connected to the guide bracket seat, and the hollow linear screw rod is driven to work by a driving motor arranged on the guide bracket seat;
the instantaneous action assembly comprises a spring action telescopic rod arranged in the hollow linear screw rod, a spring is sleeved on a rod body of the tail end of the spring action telescopic rod extending out of the bottom of the hollow linear screw rod, a fixing piece fixedly connected with the end part of the spring is arranged at the bottom of the spring action telescopic rod, and an action triggering device for locking and releasing the fixing piece is arranged on the guide support seat;
the elastic telescopic rod comprises a first rod body which moves up and down along with the hollow linear screw rod and a second rod body which moves along with elastic deformation of the spring, the first rod body and the second rod body are relatively movably connected together, and when the first rod body stops along with displacement action of the hollow linear screw rod, the positions of the first rod body and the second rod body are relatively fixed;
the guide bracket seat is connected with the transverse displacement mechanism.
As a preferable scheme of the application, the temperature control assembly comprises an outer pipe body which is arranged on the vertical dehumidification cabin body and is arranged along the width direction of the net body, air holes are arranged on the surface of the outer pipe body in an array mode, air guide pipes are axially arranged in the outer pipe body, air flow slits with sequentially increased widths are arranged on the air guide pipes at equal intervals, and a heating assembly is arranged in the air guide pipes.
As a preferable scheme of the application, the cold air circulation system comprises a circulation pipeline connected with the vertical dehumidification cabin body and used for forming a loop with the vertical dehumidification cabin body, and a feed inlet used for feeding the net body in the vertical dehumidification cabin body, wherein a discharge pipe is arranged on the side edge of the vertical dehumidification cabin body, a U-shaped pipe is arranged on the circulation pipeline positioned at the gas discharge end of the vertical dehumidification cabin body, a water vapor adsorption module is filled in the U-shaped pipe, a condensation pipe is arranged in the water vapor adsorption module, the condensation pipe is connected with an external condensed water supply source, a valve port is arranged at the bottom of the U-shaped pipe, a fan is arranged on the circulation pipeline and used for forming fluid blown to the top from the bottom of the vertical dehumidification cabin body, and part of the fluid is sent into the air guide pipe through the pipeline by the fan.
As a preferable scheme of the application, the edge of the net body is provided with a guiding sealing edge, the longitudinal section of the guiding sealing edge is triangular, and the bottom of the guiding sealing edge of the triangle is connected with the bottom surface of the net body.
The application provides a processing technology of a dehumidifying device for fresh tea leaves, which comprises the following steps:
s100, putting quantitative fresh tea into the net body through a feed inlet on the vertical dehumidification cabin body, forming cold air from bottom to top in the vertical dehumidification cabin body through a cold air circulation system, and continuously blowing the tea on the net body;
s200, changing the shape of the net body through action executing mechanisms at two sides of the net body, so that one side of the net body is lifted, the height of the other side is lowered, tea leaves on the net body are converted into a unilateral stacking state from a flat state, when the height of the action executing mechanism at one side of the net body exceeds a specific height of the temperature control assembly and the net body is contacted with the temperature control assembly, an instantaneous action assembly of the action executing mechanism at the side with lower height starts to work, the height of the net body at the side with lower height is lifted instantly, and then the net body is deformed, so that the unilateral stacked tea leaves are thrown up by the net body which is suddenly deformed, and are thrown onto the net body at the side with higher height;
when the height of one side of the net body is reduced to the lowest value of the set height, the stepping action assembly positioned on the side with higher height starts to reversely rotate, so that the height of the net body on the side with higher angle is reduced until the net body is horizontally paved, and the tea leaves on the net body are piled up from a single side to a paved state;
s300, the temperature control assembly works when the heights of two sides of the net body begin to change, and in the process that tea leaves on the net body are stacked on one side, the inside of the tea leaves is heated, so that convection of cold air and hot air is formed inside the tea leaves.
In S200, the temperature control assembly is operated when the heights of both sides of the net body are changed, and the temperature control assembly is heated to a set temperature, and the temperature of the tea leaves is gradually reduced in a stepwise manner in the process of continuously and unilaterally stacking the tea leaves on the net body.
Compared with the prior art, the application has the following beneficial effects:
according to the application, the dry cold air flow provided by the cold air circulation system is used for escaping from gaps of tea leaves, the independent effect of the leaves of fresh tea leaves in the tea plant transpiration system can be reduced, the loss of organic substances of fresh tea leaves is reduced, the accumulation of water vapor on the net body due to the accumulation of the tea leaves is avoided by spreading the tea leaves on the net body in a single-side stacking and re-spreading mode, the tea leaves can automatically slide and turn over, the form of the tea leaves is ensured by the flexible combination of the net body with the tea leaves in a variable form, meanwhile, the physical and chemical properties of the tea leaves can be maintained by applying warm air flow in the air of the tea leaves, and the surface of the tea leaves is prevented from being damaged in subsequent treatment.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
FIG. 1 is a schematic diagram of a dehumidifying apparatus according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a code motion actuator according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a temperature control assembly according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a mesh body according to an embodiment of the present application.
Reference numerals in the drawings are respectively as follows:
1-a vertical dehumidification cabin; 2-a cold air circulation system; 3-shaking mechanism; 4-a temperature control assembly; 5-an action actuator; 6-a transverse displacement mechanism;
201-a circulation pipeline; 202-a feed inlet; 203-a discharge tube; 204-U-shaped tube; 205-a water vapor adsorption module; 206-a condenser tube; 207-valve port; 208-fans;
301-net body; 302-guiding and sealing edges;
401-an outer tubular body; 402-pores; 403-airway tube; 404-air flow slots;
501-a step action component; 502-transient action component; 503-guiding a support seat; 504-hollow linear screw; 505-drive motor; 506-bouncing the telescopic rod; 507-a spring; 508-a fixing piece; 509-action triggering means; 5061-a first rod body; 5062-a second stick body.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
At the picking of tealeaves, because natural environment, the opportunity of picking and temporary in-process such as storage all can make the surface of tealeaves contain moisture or steam, at cool blue or green and shake blue or green in-process moisture loss slowly to make the moisture be used for cool blue or green and shake blue or green equipment's surface gathering easily, and even spread the tealeaves enough of spreading apart, still have the stack of tealeaves to and the laminating on tealeaves surface, influence the inside chemical change reaction of tealeaves, cause the tealeaves quality relatively poor easily at the in-process of follow-up preparation tea.
At present, most of the treatment on the moisture on the surface of the tea leaves is carried out in a natural drying mode, the efficiency of the mode is low, if the drying time is too long, organic substances in the tea leaves are easy to be scattered along with the loss of the moisture, and the tea leaves are easy to be low in quality by directly drying the tea leaves by using a heat source or hot air flow, so that the tea leaves are easy to be dried by using the hot air source or hot air flow:
as shown in fig. 1 to 4, the application provides a dehumidifying device for fresh tea leaves, which comprises a cold air circulation system 2 and a vertical dehumidifying cabin body 1 connected to a loop of the cold air circulation system 2, wherein a material shaking mechanism 3 and a temperature control assembly 4 are arranged in the vertical dehumidifying cabin body 1, the material shaking mechanism 3 is used for intermittently tiling tea leaves, enabling the tea leaves to be in contact with cold air blown in from the bottom of the vertical dehumidifying cabin body 1 by the cold air circulation system 2 in a way of tiling the tea leaves on one side, and the temperature control assembly 4 is used for being in contact with the tea leaves of the material shaking mechanism 3 in a process of tiling the tea leaves on one side and then tiling the tea leaves by heating and forming convection with cold air provided by the cold air circulation system 2.
Use cold wind air current of the dry that cold wind circulation system 2 provided, escape in the space of follow tealeaves, cold wind air current can reduce the independent effect of the blade of fresh tea in tea tree transpiration system, reduce the organic matter of fresh tealeaves itself and lose, through tiling tealeaves on the cell body 301, unilateral heap and the mode of tiling again, avoid producing the gathering of steam on the cell body 301 owing to piling up of tealeaves, make tealeaves realize automatic smooth stirring, and, through the flexible combination of cell body 301 of variable form and tealeaves, avoided traditional machinery to turn the surface damage that causes tealeaves.
Further, because under cold wind environment, to the change of tealeaves state, its steam of piling up or gathering, the surface that again can make tealeaves takes place embrittlement through further cold wind dehumidification, and need longer dehumidification time, and then in the unilateral in-process of piling up of tealeaves, contact with piled up tealeaves through temperature control assembly 4, form convection current in the space of tealeaves, and the steam on tealeaves surface can be taken away fast in the convection current in the space of tealeaves, simultaneously apply the physicochemical property of tealeaves in the air of tealeaves, avoid appearing the damage in the surface of tealeaves in subsequent processing.
To this end, the present application provides two ways for changing the morphology of the mesh 301:
firstly, the material shaking mechanism 3 comprises a net body 301 for containing tea, wherein both sides of the net body 301 are connected with action executing mechanisms 5 in the vertical direction, the action executing mechanisms 5 on both sides of the net body 301 are mutually matched to dynamically form height differences on both sides of the net body 301, so that tea spread on the net body 301 is piled up to one side of the net body 301;
and when the height of the action executing mechanism 5 on one side of the net body 301 exceeds the temperature control assembly 4 and the net body 301 is contacted with the temperature control assembly 4, the action executing mechanisms 5 on two sides start asynchronous reverse actions, the heights of two sides of the net body 301 are changed, and the unilaterally piled tea leaves finally recover to be spread on the net body 301.
Two, four corners of the net body 301 are all provided with action actuating mechanisms 5 in the vertical direction, and the action actuating mechanisms 5 are installed on the vertical dehumidification cabin body 1 through the transverse displacement mechanisms 6, the transverse displacement mechanisms 6 drive the four mutually matched action actuating mechanisms 5 to move far away or close to each other in the radial direction of the vertical dehumidification cabin body, so that the net body 301 is converted from a horizontal state to a bag-shaped state, the bag-shaped net body 301 forms an effective spherical surface for containing tea leaves, the effective spherical surface always coincides with the spherical surface of a sphere with the appearance length of the temperature control assembly 4 as a diameter, and the temperature control assembly 4 provides warm air flow, so that the provided air flow forms a sphere or cylinder area and is just jointed with the effective spherical surface formed by the net body 301, and the accumulated tea leaf surface is dehumidified in the range of hot air provided by the temperature control assembly 4.
The action actuator 5 comprises a stepping action assembly 501 and a transient action assembly 502, the transient action assembly 502 is mounted on the stepping action assembly 501, and the side or corner of the net body 301 is mounted on top of the transient action assembly 502;
the stepping action component 501 is used for converting tea leaves on the net body 301 from a flat state to a single-side stacking state;
the instant action component 502 is used for realizing that the tea leaves on the net body 301 are changed from a single-side stacking state to a tiling state.
The stepping action assembly 501 comprises a guide bracket seat 503 and a hollow linear screw rod 504 which is spirally connected to the guide bracket seat 503, wherein the hollow linear screw rod 504 is driven to work by a driving motor 505 arranged on the guide bracket seat 503;
the instantaneous action assembly 502 comprises a spring expansion rod 506 arranged in a hollow linear screw rod 504, a spring 507 is sleeved on a rod body of the tail end of the spring expansion rod 506 extending out of the bottom of the hollow linear screw rod 504, a fixing piece 508 fixedly connected with the end of the spring 507 is arranged at the bottom of the spring expansion rod 506, and an action triggering device 509 for locking and releasing the fixing piece 508 is arranged on the guide support seat 503.
The action triggering device 509 and the fixing piece 508 can be adsorbed and released by utilizing electromagnetic effect, and the working principle of the action triggering device 509 specifically refers to the working mode of an electromagnetic switch;
the spring telescoping rod 506 includes a first rod 5061 that moves up and down along with the hollow linear screw 504, and a second rod 5062 that moves along with elastic deformation of the spring 507, where the first rod 5061 and the second rod 5062 are movably connected together, and when the first rod 5061 stops following the displacement of the hollow linear screw 504, the positions of the first rod 5061 and the second rod 5062 are relatively fixed.
When the action triggering device 509 is released, the first rod body 5061 and the second rod body 5062 keep a relatively fixed position, the spring pulls the first rod body 5061 and the second rod body 5062 to simultaneously do linear motion along the hollow linear screw rod 504, so that upward shaking occurs on one side of the unilateral accumulation of tea leaves on the net body 301, the tea leaves on the net body 301 are thrown up, the scattered tea leaves fall to the other side of the net body 301, the turning of the tea leaves is completed, then the hollow linear screw rod 504 is driven by the driving motor 505 to rise, the height of two sides or four corners of the net body 301 is kept consistent, and the re-tiling state of the tea leaves on the net body 301 is realized.
The guide bracket seat 503 is connected with a transverse displacement mechanism 6, and the transverse displacement mechanism 6 can be a pneumatic cylinder, a hydraulic cylinder or a screw nut pair transmission assembly.
If the tea is directly heated by a resistance wire mode, the tea contacts with the surface of the heat conduction equipment, so that the surface of the tea is easy to be dried quickly, and uniform heat conduction cannot be realized;
the mode of utilizing air heating then can introduce the moisture in the new air again to through directly blowing in the tealeaves with the gaseous heating, the end of blowing is higher, consequently influences the inside homogeneity of being heated of tealeaves and forming the homogeneity of air current convection, for this:
the application provides a temperature control assembly 4, which comprises an outer pipe body 401 which is arranged on a vertical dehumidification cabin body 1 and is along the width direction of a net body 301, wherein the outer pipe body is made of a heat insulation material or a low heat conduction material, air holes 402 are arranged on the surface of the outer pipe body 401 in an array manner, and the air holes 402 are compact so as to increase the contact surface of air flow and tea.
Wherein, the inside axial of outer body 401 is provided with air duct 403, equidistant air slit 404 that the width increases in proper order that is provided with on the air duct 403, air slit 404 is less at dry cold wind inserted port width, it is great to keep away from the port width that dry cold wind inserted, the inside of air duct 403 is provided with heating element, the gas is in getting into the air cavity of the formation between heating element and the air duct 403, like this, under the condition that the gas velocity of flow is faster, can realize carrying out abundant heating to the gas in the air cavity back from air slit 404 spill over to the air cavity between air duct 403 to the outward appearance body 401, like this the temperature of the gas that overflows from the gas pocket 402 on the outer body 401 is even.
Wherein the heating component is specifically a resistance wire.
Wherein, because the gas blowout effect of gas hole 402 reduces the contact of tealeaves and outer body 401, the tight gas hole 402 can be more abundant with the gap engagement of tealeaves simultaneously, and the air current that gets into in the tealeaves space will be can be opened the space of tealeaves completely, makes tealeaves contact each other in fluffy state.
The cold air circulation system 2 comprises a circulation pipeline 201 connected with the vertical dehumidification cabin body 1 and used for forming a loop with the vertical dehumidification cabin body 1, and a feed inlet 202 used for feeding a net body 301 in the vertical dehumidification cabin body 1, and is used for throwing tea leaves into the net body 301 after the dehumidification of the tea leaves is finished once, and closing the feed inlet after the throwing of the tea leaves is finished once.
The side of the vertical dehumidification cabin body 1 is provided with a discharge pipe 203, and two action actuators 5 on one side of a net body 301 far away from the discharge pipe 203 are lifted to a limit position after the dehumidification operation of tea leaves is completed, and two action actuators 5 on one side of the net body 301 close to the discharge pipe 203 are lowered to the limit position and kept level with the pipe orifice of the discharge pipe 203 until the tea leaves on the net body 301 are all discharged from the discharge pipe 203.
It is further noted that in order to enable the tea to be fully handled on the mesh body, the width of the mesh body 201 is slightly smaller than the thickness of the vertical dehumidification compartment.
In order to keep the dehumidification effect sustainable, the existing air flow in the cabin body must be guaranteed to be well treated after carrying moisture, and for this purpose:
according to the application, the U-shaped pipe 204 is arranged on the circulating pipeline 201 at the gas discharge end of the vertical dehumidification cabin body 1, the U-shaped pipe 204 is filled with the water vapor adsorption module 205 (particularly sponge, porous material capable of adsorbing water vapor or a condenser is directly used for replacing the water vapor), the condensation pipe 206 is arranged in the water vapor adsorption module 205, the rapid gas cooling in a cold air circulating environment with a relatively high flow rate can be ensured by arranging the condensation pipe 206 in the water vapor adsorption module 205, the condensation pipe 206 is connected with an external condensate water supply source, and the bottom of the U-shaped pipe 204 is provided with the valve port 207 for discharging enough water collected by the water vapor adsorption module 205.
A fan 208 is provided on the circulation duct 201, the fan 208 is used to form fluid that blows from the bottom to the top of the vertical dehumidifying cabin 1, and the fan 208 sends part of the fluid into the air duct 403 through the duct.
Further, the edge of the net body 301 is provided with a guiding sealing edge 302, the longitudinal section of the guiding sealing edge 302 is triangular, and the bottom of the triangular guiding sealing edge 302 is connected with the bottom surface of the net body 301, so that air flow blown up from the bottom of the vertical dehumidification cabin 1 is guided, most of dry and cold air flow is guided to pass through the surface of the net body 301 upwards, and a small part of dry and cold air flow is guided to flow upwards from the edge of the net body 301 along the outer side edge of the guiding sealing edge 302, so that an air curtain is formed between the edge of the net body 301 and the edge of the vertical dehumidification cabin 1, and tea can be prevented from falling from the edge of the net body 301.
The application provides a processing technology of a dehumidifying device for fresh tea leaves, which comprises the following steps:
s100, putting quantitative fresh tea into the net body through a feed inlet on the vertical dehumidification cabin body, forming cold air from bottom to top in the vertical dehumidification cabin body through a cold air circulation system, and continuously blowing the tea on the net body;
s200, changing the shape of the net body through action executing mechanisms at two sides of the net body, so that one side of the net body is lifted, the height of the other side is lowered, tea leaves on the net body are converted into a unilateral stacking state from a flat state, when the height of the action executing mechanism at one side of the net body exceeds a specific height of the temperature control assembly and the net body is contacted with the temperature control assembly, an instantaneous action assembly of the action executing mechanism at the side with lower height starts to work, the height of the net body at the side with lower height is lifted instantly, and then the net body is deformed, so that the unilateral stacked tea leaves are thrown up by the net body which is suddenly deformed, and are thrown onto the net body at the side with higher height;
when the height of one side of the net body is reduced to the lowest value of the set height, the stepping action assembly positioned on the side with higher height starts to reversely rotate, so that the height of the net body on the side with higher angle is reduced until the net body is horizontally paved, and the tea leaves on the net body are piled up from a single side to a paved state;
s300, the temperature control assembly works when the heights of two sides of the net body begin to change, and in the process that tea leaves on the net body are stacked on one side, the inside of the tea leaves is heated, so that convection of cold air and hot air is formed inside the tea leaves.
In S200, the temperature control assembly works when the heights of both sides of the net body start to change, heats to a set temperature, and gradually reduces the temperature of the inside of the tea in a stepwise manner in the process of continuously and unilaterally stacking the tea on the net body. The temperature control assembly is preheated and reaches a preset temperature, and then is kept in contact with tea for a period of time, and then is cooled to a certain temperature, and then is kept for a period of time, so that the tea can be ensured to have a dehumidification environment generating temperature air flow convection, and the tea can be prevented from being in continuous high-temperature contact.
The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this application will occur to those skilled in the art, and are intended to be within the spirit and scope of the application.
Claims (6)
1. The dehumidifying device for fresh tea leaves comprises a cold air circulation system (2) and a vertical dehumidifying cabin (1) connected to a loop of the cold air circulation system (2), and is characterized in that a shaking mechanism (3) and a temperature control assembly (4) are arranged in the vertical dehumidifying cabin (1), the shaking mechanism (3) is used for intermittently tiling tea leaves, enabling the tea leaves to be in contact with cold air blown in from the bottom of the vertical dehumidifying cabin (1) by the cold air circulation system (2) in a way of tiling the tea leaves on one side, and the temperature control assembly (4) is used for being in contact with the tea leaves in a process of tiling the shaking mechanism (3) on one side and forming convection with the cold air provided by the cold air circulation system (2) in the tea leaves in a heating way;
the shaking mechanism (3) comprises a net body (301) for containing tea, wherein both sides of the net body (301) are connected with action executing mechanisms (5) in the vertical direction, the action executing mechanisms (5) at both sides of the net body (301) are mutually matched to dynamically form height differences at both sides of the net body (301), and tea spread on the net body (301) is accumulated towards one side of the net body (301);
when the height of the action executing mechanism (5) at one side of the net body (301) exceeds the temperature control assembly (4) and the net body (301) is contacted with the temperature control assembly (4), the action executing mechanisms (5) at two sides start asynchronous reverse actions, the heights of the two sides of the net body (301) are changed, and the singly-piled tea leaves finally recover to be in a tiled state on the net body (301);
four corners of the net body (301) are respectively provided with an action executing mechanism (5) in the vertical direction, the action executing mechanisms (5) are arranged on the vertical dehumidification cabin body (1) through transverse displacement mechanisms (6), the four action executing mechanisms (5) which are mutually matched are driven by the transverse displacement mechanisms (6) to move away from or approach to each other in the radial direction of the vertical dehumidification cabin body, the net body (301) is converted from a horizontal state to a bag-shaped state, the bag-shaped net body (301) forms an effective spherical surface for containing tea leaves, and the effective spherical surface always coincides with the spherical surface of a sphere with the appearance length of the temperature control assembly (4) as the diameter;
the motion executing mechanism (5) comprises a stepping motion component (501) and a transient motion component (502), wherein the transient motion component (502) is installed on the stepping motion component (501), and the side edge or the corner of the net body (301) is installed on the top of the transient motion component (502);
the stepping action assembly (501) is used for enabling tea leaves on the net body (301) to be converted into a single-side accumulation state from a flat state, and the instant action assembly (502) is used for enabling the tea leaves on the net body (301) to be converted into the flat state from the single-side accumulation state;
the stepping action assembly (501) comprises a guide bracket seat (503) and a hollow linear screw rod (504) which is spirally connected to the guide bracket seat (503), wherein the hollow linear screw rod (504) is driven to work by a driving motor (505) arranged on the guide bracket seat (503);
the instantaneous action assembly (502) comprises a spring telescopic rod (506) arranged in the hollow linear screw rod (504), a spring (507) is sleeved on a rod body of the tail end of the spring telescopic rod (506) extending out of the bottom of the hollow linear screw rod (504), a fixing piece (508) fixedly connected with the end part of the spring (507) is arranged at the bottom of the spring telescopic rod (506), and an action triggering device (509) for locking and releasing the fixing piece (508) is arranged on the guide bracket seat (503);
the elastic telescopic rod (506) comprises a first rod body (5061) which moves up and down along with the hollow linear screw rod (504) and a second rod body (5062) which moves along with elastic deformation of a spring (507), the first rod body (5061) and the second rod body (5062) are relatively movably connected together, and when the first rod body (5061) stops along with displacement action of the hollow linear screw rod (504), the positions of the first rod body (5061) and the second rod body (5062) are relatively fixed;
the guide bracket seat (503) is connected with the transverse displacement mechanism (6).
2. The dehumidifying device for fresh tea leaves according to claim 1, wherein the temperature control assembly (4) comprises an outer tube body (401) which is arranged on the vertical dehumidifying cabin body (1) and along the width direction of the net body (301), air holes (402) are formed in the surface array of the outer tube body (401), an air duct (403) is axially arranged in the outer tube body (401), air flow slits (404) with sequentially increased widths are formed in the air duct (403) at equal intervals, and a heating assembly is arranged in the air duct (403).
3. A fresh tea leaf dehumidifying device according to claim 2, wherein the cold air circulating system (2) comprises a circulating pipeline (201) connected with the vertical dehumidifying cabin body (1) and used for forming a loop with the vertical dehumidifying cabin body (1), and a feed inlet (202) used for feeding a net body (301) in the vertical dehumidifying cabin body (1), a discharging pipe (203) is arranged on the side edge of the vertical dehumidifying cabin body (1), a U-shaped pipe (204) is arranged on the circulating pipeline (201) at the gas discharging end of the vertical dehumidifying cabin body (1), a water vapor adsorption module (205) is filled in the U-shaped pipe (204), a condensing pipe (206) is arranged in the water vapor adsorption module (205), the condensing pipe (206) is connected with an external condensed water supply source, a valve port (207) is arranged at the bottom of the U-shaped pipe (204), a fan (208) is arranged on the circulating pipeline (201), the fan (208) is used for forming a fluid from the bottom of the vertical dehumidifying cabin body (1) and delivering the fluid to the air blowing part (403) through the fan.
4. A dehumidifying device for fresh tea leaves according to claim 1, wherein the edge of the net body (301) is provided with a guide sealing edge (302), and the longitudinal section of the guide sealing edge (302) is triangular, and the bottom of the triangular guide sealing edge (302) is connected with the bottom surface of the net body (301).
5. A process for manufacturing a dehumidifying apparatus for fresh tea leaves according to any one of claims 1 to 4, comprising the steps of:
s100, putting quantitative fresh tea into the net body through a feed inlet on the vertical dehumidification cabin body, forming cold air from bottom to top in the vertical dehumidification cabin body through a cold air circulation system, and continuously blowing the tea on the net body;
s200, changing the shape of the net body through action executing mechanisms at two sides of the net body, so that one side of the net body is lifted, the height of the other side is lowered, tea leaves on the net body are converted into a unilateral stacking state from a flat state, when the height of the action executing mechanism at one side of the net body exceeds a specific height of the temperature control assembly and the net body is contacted with the temperature control assembly, an instantaneous action assembly of the action executing mechanism at the side with lower height starts to work, the height of the net body at the side with lower height is lifted instantly, and then the net body is deformed, so that the unilateral stacked tea leaves are thrown up by the net body which is suddenly deformed, and are thrown onto the net body at the side with higher height;
when the height of one side of the net body is reduced to the lowest value of the set height, the stepping action assembly positioned on the side with higher height starts to reversely rotate, so that the height of the net body on the side with higher angle is reduced until the net body is horizontally paved, and the tea leaves on the net body are piled up from a single side to a paved state;
s300, the temperature control assembly works when the heights of two sides of the net body begin to change, and in the process that tea leaves on the net body are stacked on one side, the inside of the tea leaves is heated, so that convection of cold air and hot air is formed inside the tea leaves.
6. The process of claim 5, wherein in S200, the temperature control assembly is operated when the heights of both sides of the net body are changed, and the temperature of the inside of the tea leaves is gradually lowered stepwise during continuous single-side stacking of the tea leaves on the net body.
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