CN215775268U - Internal circulation superheated steam water-removing device - Google Patents
Internal circulation superheated steam water-removing device Download PDFInfo
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- CN215775268U CN215775268U CN202120594837.9U CN202120594837U CN215775268U CN 215775268 U CN215775268 U CN 215775268U CN 202120594837 U CN202120594837 U CN 202120594837U CN 215775268 U CN215775268 U CN 215775268U
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Abstract
本实用新型公开了一种内循环流过热蒸汽杀青装置，包括杀青仓、加热仓、循环流装置，所述加热仓内部设有杀青仓和循环流装置，所述杀青仓包括滚筒，所述循环流装置与滚筒连接。本实用新型的杀青仓具有蒸汽发生、加热、杀青和干燥的多重功能，杀青仓的滚筒和加热管的面积增加了8～35倍，导热工质携带的热能通过杀青仓的滚筒、加热管和过热蒸汽对茶叶进行着传热杀青和传质干燥，杀青仓内的过热蒸汽在风机的抽排作用下经透气孔进入在过滤筒内，再经过风机的作用下进入第二导气管内，随后排放在杀青仓内，实现循环对流，过热蒸汽通过循环流装置进行循环对流多次利用，增长了过热蒸汽在杀青仓内的滞留时间，提高了过热蒸汽热能的有效使用率。
The utility model discloses an inner circulating flow superheated steam fixing device, which comprises a fixing silo, a heating silo and a circulating flow device. The heating silo is provided with a slaughtering silo and a circulating flow device. The flow device is connected to the drum. The greening silo of the utility model has multiple functions of steam generation, heating, greening and drying, the area of the roller and the heating pipe of the greening silo is increased by 8 to 35 times, and the heat energy carried by the heat-conducting medium passes through the roller, the heating pipe and the heating pipe of the greening silo. The superheated steam conducts heat transfer and mass transfer drying to the tea leaves. The superheated steam in the dehydration warehouse enters the filter cartridge through the ventilation holes under the action of the fan, and then enters the second air duct under the action of the fan. The superheated steam is discharged in the kiln to realize circulating convection, and the superheated steam is used for multiple times by circulating convection through the circulating flow device, which increases the residence time of the superheated steam in the kiln and improves the effective utilization rate of the superheated steam heat energy.
Description
Technical Field
The utility model relates to the field of tea fixation, in particular to an internal circulation flow superheated steam fixation device.
Background
At present, tea leaves are subjected to water-removing by adopting high-temperature saturated steam water-removing equipment, when high-temperature steam in a saturated steam state is contacted with fresh tea leaves, the high-temperature steam only can transfer heat to the tea leaves and can not transfer mass of moisture in the tea leaves, so that the tea leaves are easy to be stuffy and yellow and generate water stuffy taste, the quality of the tea leaves is reduced, the water content of the tea leaves subjected to water-removing by the high-temperature saturated steam is higher, and the tea leaves are hard, so that the subsequent tea leaf rolling process is not facilitated.
The superheated steam green removing equipment on the market at present mainly adopts an external steam generator and a heater to produce superheated steam, and the matched equipment needs to be provided with the steam generator, the steam heater, dust removing equipment and a steam circulating fan, so that the manufacturing cost of the matched equipment is high. Some superheated steam de-enzyming equipment carries out secondary heating with tail gas steam through steam heater and carries out the internal recycle, and impurity in the tail gas steam can adhere on steam heater, causes steam heater's heat transfer rate to descend by a wide margin so that damage can not use.
The storehouse that completes of equipment that completes now is at the drying process, and hot-air or superheated steam as heat-conducting medium go into from the one end in storehouse that completes, through the inside in storehouse that completes, is discharged by the other end in storehouse that completes at last, and heat-conducting medium is short in the dwell drying time in storehouse that completes, and the effective rate of utilization of the heat energy that heat-conducting medium carried just reduces a lot. Therefore, on the premise of ensuring the tea leaf fixation quality, the superheated steam fixation equipment needs to be optimally designed, the installation of the steam generator, the steam heater, the steam circulating fan and other supporting equipment is reduced, the manufacturing cost of the equipment is reduced, the recycling of heat energy is improved, multi-combination fixation is implemented, and the tea leaf fixation cost is reduced.
SUMMERY OF THE UTILITY MODEL
At present, a circulating flow device needs to be designed, the retention water-removing time of the heat-conducting medium in the water-removing bin is prolonged by the water-removing bin through the circulating flow device, and the water-removing effective utilization rate of the heat energy of the heat-conducting medium is improved.
The utility model aims to provide an internal circulation superheated steam de-enzyming device to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: an inner circulation flow superheated steam enzyme-deactivating device comprises an enzyme-deactivating bin, a heating bin and a circulation flow device, wherein the enzyme-deactivating bin and the circulation flow device are arranged inside the heating bin, the enzyme-deactivating bin comprises a roller, the circulation flow device is connected with the roller, spiral blades are arranged inside the enzyme-deactivating bin, a heating pipe is further arranged inside the enzyme-deactivating bin, the heating bin is internally provided with the heating device, the heating bin is further internally provided with a heat conduction working medium, the left end of the enzyme-deactivating bin is provided with a feeding hole, and the right end of the enzyme-deactivating bin is provided with a discharging hole; the cylinder be 3 ~ 12 mm's metal sheet, helical blade's preparation material is 0.5 ~ 2 mm's metal sheet, helical blade's height is 180 ~ 580mm, length sets for as required, in the rotatory process in the storehouse that completes, helical blade is synchronous revolution together along with rotatory cylinder, tealeaves is stirred by rotatory helical blade and is raised, tealeaves can not form the caking, the even quilt of tealeaves completes. Under the rotating and propelling action of the helical blades, the tea leaves in the fixation bin flow and advance from the feed inlet of the fixation bin to the discharge outlet of the fixation bin.
Preferably, when the heating bin and the water-removing bin are fixed into a whole, the heating bin wraps the outside of the water-removing bin, a sealed cavity is formed between the water-removing bin and the heating bin, the heat conduction working medium is arranged in the heating bin of the sealed cavity between the water-removing bin and the heating pipe of the water-removing bin, the heating bin and the water-removing bin are supported and fixed by metal strips, the spacing between the heating bin and the water-removing bin is 50-100 mm, and the water-removing bin and the heating bin rotate on the riding wheel together.
Preferably, the heating device is a boiler, or a heat pump, or a combustion furnace, or an electric heater, or a burner, or an electromagnetic heater, or a ceramic heating plate, and different heating devices can be selected according to the requirements of equipment cost, environmental protection and the like; the heat conducting working medium is heat conducting oil, or water, or other media; different heat-conducting working media can be selected according to the requirements of cost, heat-conducting temperature and the like.
Preferably, the outer side of the heating bin is provided with two rolling ways which are bilaterally symmetrical, the outer side of the heating bin is also provided with a gear ring, the lower end of the heating bin is provided with a riding wheel which is meshed with the rolling ways, the lower end of the heating bin is also provided with a driving device, and the driving device is meshed with the gear ring; the rotating speed of the water-removing bin is 1-10 circles, the rotating speed of the water-removing bin is set according to the aging of the water-removing speed of different tea leaves, and the rotating speed of the water-removing bin controls the water-removing time of the tea leaves in the water-removing bin; the driving device is an electric motor, a hydraulic motor, a pneumatic motor or a combination of an electric motor and a speed changer.
Preferably, the circulating flow device comprises a second air duct, a fan and a filter cylinder, the second air duct and the filter cylinder are both fixedly connected with the roller at multiple points, the second air duct is connected with one end of the filter cylinder, the fan is arranged in the second air duct, the filter cylinder is a pipe with an opening at one end and a closed end, air holes are formed in the filter cylinder, and the appearance shape of the air holes is a flat opening or a conical shape; the air vents of the conical air holes reduce the adhesive area of the tea leaves and weaken the adhesive force of the tea leaves, the distance between each conical air hole and the adjacent conical air hole is 0.5-2 mm, the aperture of each conical air hole is 0.1-1 mm, the fan is installed in the pipe of the second air duct or fixed on the air inlet of the second air duct, and the fan is a pipeline fan or a centrifugal fan.
Preferably, the roller is provided with a plurality of holes, and the heating pipe is connected with the holes on the roller into a whole; the inner diameter of the hole is the same as the outer diameter of the heating pipe, and the heating pipe is a light pipe or a finned pipe; the diameter of the heating pipe is 28-48 mm, and the length of the heating pipe is 300-1810 mm; heating pipes with different lengths are arranged in the water-removing bin, the heating pipes which are arranged in a crossed manner are convenient for increasing the installation quantity of the heating pipes, and the heating pipes increase the heat transfer area of the heat energy of the water-removing bin; the heating pipe is a metal pipe with an opening at one end, the opening end of the heating pipe is fixed in a hole on the roller, or the opening end of the heating pipe is fixed in a corresponding hole on the roller, and the opening end of the heating pipe is connected with the roller in a sealing and airtight manner; the heating pipe with adjacent heating pipe's interval be 50 ~ 180mm, the heating pipe is supported by fixed strip fixed with adjacent heating pipe, the cylinder has improved the compression resistance in storehouse that completes under the supporting role of heating pipe.
Preferably, the left end of the heating bin is provided with a feeding device, the feeding device comprises a three-way pipe, a conveying device, a hopper and a flange joint, one end of the three-way pipe is connected with the feed inlet through the flange joint, the joint of the flange joint is provided with a sealing device, the other end of the three-way pipe is connected with the conveying device, the upper end of the conveying device is connected with the hopper, the other end of the three-way pipe is provided with an air guide pipe, the upper end of the air guide pipe is provided with an exhaust device, and the lower end of the three-way pipe is provided with a support.
Preferably, the three-way pipe and the flange joint are fixedly and dynamically sealed by a sealing device, the flange joint of the feeding device rotates along with the enzyme-deactivating bin, and the three-way pipe is static; one end of the air duct is fixed on an exhaust port of the three-way pipe, the other end of the air duct is fixed on the exhaust device or the heat exchanger and the exhaust device in sequence, a heat preservation layer is arranged outside the air duct for heat preservation, and the heat exchanger or the condenser is arranged on the air duct between the exhaust device and the feeding device.
Preferably, the right-hand member of heated warehouses is equipped with into discharge device, it includes elbow, conducting ring to advance discharge device, the one end of elbow is connected with the discharge gate through flange joint, the junction that flange connects is equipped with sealing device, the other end of elbow is connected with feeding device, feeding device's lower extreme is connected with the hopper, still be equipped with the conducting ring on the elbow, the elbow lower extreme is equipped with the support.
Preferably, the elbow and the flange joint are fixed and dynamically sealed by a sealing device, when the green removing bin rotates, the flange joint of the discharging device rotates along with the green removing bin, the elbow is stationary, the sealing device is a magnetic fluid sealing device, or a dynamic sealing device, or a labyrinth sealing device, and electricity of an external power supply is transmitted to the heating device through the conducting ring.
Preferably, the tea leaves are continuously and timely input or discharged from the green removing bin by the material conveying device, dynamic sealing is kept in the tea leaf conveying process, the air input of gas in the hopper into the green removing bin is reduced when the relative pressure in the green removing bin is low, and steam in the green removing bin is not leaked into the external environment when the relative pressure in the green removing bin is high; the material conveying device is an air seal machine, or a screw feeder, or a vacuum discharge valve, or an air release valve. And selecting the corresponding material conveying device according to different use requirements.
Preferably, the exhaust device is a fan, or a vacuum pump, or an air release valve, and the material conveying device is an air seal, or a screw feeder, or a vacuum discharge valve, or an air release valve.
Preferably, the holes on the roller are plain holes or hot-melt hole type holes; the hole is the plain end hole of cutting equipment processing preparation such as laser, gas cutting, perhaps is by the hot melt pass hole of hot melt drilling processing preparation, the hot melt hole thickness of hot melt pass hole is 3 ~ 4 times of cylinder thickness, has strengthened the firmness of heating pipe with the cylinder, has avoided the leakage risk, has reduced the metal sheet thickness of cylinder, has reduced the cost of manufacture in the storehouse that completes, has reduced the total weight in the storehouse that completes, has reduced drive arrangement's electric energy consumption.
A method for conducting superheated steam de-enzyming is characterized by comprising the following steps:
(1) the driving device drives the fixation bin to rotate through the gear ring, so that the fixation bin rotates on the riding wheel, and the circulating flow device rotates along with the roller;
(2) wet tea leaves enter the water-removing bin through the feeding device and the feeding hole, and the tea leaves flow from the feeding hole of the water-removing bin to the discharging hole of the water-removing bin;
(3) the heat conducting working medium in the heating bin is heated by the heating device, heat energy carried by the heat conducting working medium conducts heat conduction and transfer on moisture steam and tea leaves in the fixation bin through the bin body of the fixation bin and the heating tube, and the moisture generated during fixation and drying of the tea leaves is heated by the heat conducting working medium to form superheated steam;
(4) under the pumping action of the fan, the superheated steam carries out circulating convection in the enzyme deactivating bin, the filter cylinder and the second air duct and carries out heat transfer enzyme deactivating and mass transfer drying on the tea leaves through heat energy carried by the heat-conducting working medium and the superheated steam;
(5) the tea leaves after fixation are discharged out of the fixation bin through the discharge hole and the feeding and discharging device.
Preferably, the pressure in the water-removing bin is controlled by pumping and discharging of the exhaust device, and the tea leaves are subjected to high-pressure conduction superheated steam water-removing, or nearly atmospheric pressure conduction superheated steam water-removing, or negative pressure conduction superheated steam water-removing in the water-removing bin; the relative pressure in the water-removing bin is-0.06 MPa-0.5 MPa.
Compared with the prior art, the utility model has the beneficial effects that: the green removing bin has multiple functions of steam generation, steam heating, green removing of tea and tea drying, the area of a roller and a heating pipe of the green removing bin is increased by 8-35 times, the pressure in the green removing bin is controlled by pumping of an exhaust device, and heat energy carried by a heat conducting working medium conducts heat transfer green removing and mass transfer drying on the tea through the roller, the heating pipe and superheated steam of the green removing bin. The tea leaves have no oxidation reaction in the process of conducting superheated steam in the fixation bin, and the fixation effect of the tea leaves is good. The tea leaves can continuously enter and exit the fixation bin through the feeding device and the discharging device, continuous conduction superheated steam fixation is realized, the tea leaves with the water content of 50-65% after being subjected to fixation and drying through the conduction superheated steam are soft and flexible, the soft tea leaves are beneficial to subsequent processing procedures, the superheated steam in the fixation bin enters the filter cartridge through the air holes in the filter cartridge under the pumping and discharging action of the fan, enters the second air duct under the action of the fan, is discharged in the fixation bin through the second air duct, realizes circulation convection, and is subjected to circulation convection for multiple times at the fixation section of the fixation bin through the circulating flow device, so that the detention time of the superheated steam in the fixation bin is prolonged, and the effective utilization rate of the superheated steam heat energy is improved, the heat energy required by tea leaf fixation is used in a closed loop, the fixation does not consume heat energy, and the conduction of superheated steam fixation equipment is beneficial to saving energy and preventing tea leaf from being polluted by air.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the construction of the drum of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of the discharge apparatus of the present invention;
FIG. 5 is a schematic view of the feed apparatus of the present invention;
FIG. 6 is a schematic view of the configuration of a circulation flow device of the present invention;
fig. 7 is a schematic view of the filter cartridge construction of the present invention.
In the figure: 1-a water-removing bin; 2-heating the bin; 3-heat conducting working medium; 4-a feeding device; 5-a discharge device; 6-rolling way; 7-gear ring; 8-riding wheels; 9-a scaffold; 10-a drive device; 11-an exhaust; 12-a feed inlet; 13-a discharge hole; 14-helical blades; 15-a heating device; 16-a heating tube; 17-a flange joint; 18-a sealing device; 19-bending the pipe; 20-a material conveying device; 21-a hopper; 22-a tee; 23-an exhaust port; 24-an airway tube; 25-a conductive ring; 26-a circulating flow device, 27-a second air duct, 28-a fan, 29-a filter cylinder, 30-an air hole and 31-a roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, in the embodiment of the present invention, an internal circulation superheated steam de-enzyming apparatus includes a de-enzyming bin 1, a heating bin 2, and a circulation flow device 26, the de-enzyming bin 1 and the circulation flow device 26 are disposed inside the heating bin 2, the de-enzyming bin 1 includes a roller 31, the circulation flow device 26 is connected to the roller 31, a helical blade 14 is disposed inside the de-enzyming bin 1, a heating pipe 16 is further disposed inside the de-enzyming bin 1, a heating device 15 is disposed inside the heating bin 2, a heat conducting working medium 3 is further disposed inside the heating bin 2, a feeding port 12 is disposed at the left end of the de-enzyming bin 1, and a discharging port 13 is disposed at the right end of the de-enzyming bin 1; the tea leaf fixation device is characterized in that the roller 31 is a metal plate with the thickness of 3-12 mm, the spiral blades 14 are made of 0.5-2 mm, the height of the spiral blades 14 is 180-580 mm, the length of the spiral blades is set according to needs, the spiral blades 14 synchronously rotate along with the rotating roller 31 in the rotation process of the fixation bin 1, tea leaves are stirred and raised by the rotating spiral blades 14, tea leaves cannot form lumps, and the tea leaves are uniformly fixed. Under the rotating and propelling action of the helical blades 14, tea leaves in the water-removing bin 1 flow and advance from the feed inlet 12 of the water-removing bin 1 to the discharge outlet 13 of the water-removing bin 1.
The heating device 15 is a boiler, or a heat pump, or a combustion furnace, or an electric heater, or a burner, or an electromagnetic heater, or a ceramic heating plate, and different heating devices 15 can be selected according to the requirements of equipment cost, environmental protection and the like; the heat conducting working medium 3 is heat conducting oil, or water, or other media; different heat-conducting working media 3 can be selected according to the requirements of cost, heat-conducting temperature and the like.
The outer side of the heating bin 2 is provided with two rolling ways 6, the two rolling ways 6 are arranged in bilateral symmetry, the outer side of the heating bin 2 is further provided with a gear ring 7, the lower end of the heating bin 2 is provided with a supporting wheel 8, the supporting wheel 8 is meshed with the rolling way 6, the lower end of the heating bin 2 is further provided with a driving device 10, and the driving device 10 is meshed with the gear ring 7; the rotating speed of the water-removing bin 1 is 1-10 circles, the rotating speed of the water-removing bin 1 is set according to the aging of the water-removing speed of different tea leaves, and the rotating speed of the water-removing bin 1 controls the water-removing time of the tea leaves in the water-removing bin 1; the drive means 10 is an electric motor, or a hydraulic motor, or a pneumatic motor, or a combination of an electric motor and a transmission.
The circulating flow device 26 comprises a second air duct 27, a fan 28 and a filter cylinder 29, the second air duct 27 and the filter cylinder 29 are both fixedly connected with a roller 31 at multiple points, the second air duct 27 is connected with one end of the filter cylinder 29, the fan 28 is arranged inside the second air duct 27, the filter cylinder 29 is a pipe with an opening at one end and a closed end, air holes 30 are formed in the filter cylinder, and the appearance shape of the air holes 30 is a flat opening or a cone shape; the air vents of the conical air vents 30 reduce the adhesive area of the tea leaves and weaken the adhesive force of the tea leaves, the distance between each conical air vent 30 and the adjacent conical air vent 30 is 0.5-2 mm, the aperture of each conical air vent 30 is 0.1-1 mm, the fan 28 is installed in the pipe of the second air duct 27 or fixed on the air inlet of the second air duct 27, and the fan 28 is a pipeline fan 28 or a centrifugal fan 28.
The roller 31 is provided with a plurality of holes, and the heating pipe 16 is connected with the holes on the roller 31 into a whole; the inner diameter of the hole is the same as the outer diameter of the heating pipe 16, and the heating pipe 16 is a light pipe or a finned pipe; the diameter of the heating pipe 16 is 28-48 mm, and the length is 300-1810 mm; heating pipes 16 with different lengths are arranged in the water-removing bin 1, the heating pipes 16 which are arranged in a crossed manner are convenient for increasing the installation quantity of the heating pipes 16, and the heating pipes 16 increase the heat transfer area of the heat energy of the water-removing bin 1; the heating pipe 16 is a metal pipe with an open end, the open end of the heating pipe 16 is fixed in a hole on the roller 31, or the metal pipe with open ends at two ends, the open ends of the heating pipe 16 are fixed in corresponding holes on the roller 31, and the connection between the open end of the heating pipe 16 and the roller 31 is sealed and airtight; the distance between the heating pipe 16 and the adjacent heating pipe 16 is 50-180 mm, the heating pipe 16 and the adjacent heating pipe 16 are fixedly supported by a fixing strip, and the roller 31 improves the compression resistance of the water-removing bin 1 under the supporting action of the heating pipe 16.
The left end of heating chamber 2 is equipped with feed arrangement 4, feed arrangement 4 includes three-way pipe 22, feeding device 20, hopper 21, flange joint 17, the one end of three-way pipe 22 is passed through flange joint 17 and is connected with feed inlet 12, the junction of flange joint 17 is equipped with sealing device 18, the other end of three-way pipe 22 is connected with feeding device 20, the upper end of feeding device 20 is connected with hopper 21, the other end of three-way pipe 22 is gas vent 23, the upper end of gas vent 23 is connected with air duct 24, the upper end of air duct 24 is equipped with exhaust apparatus 11, the three-way pipe 22 lower extreme is equipped with support 9.
The three-way pipe 22 and the flange joint 17 are fixedly and dynamically sealed by a sealing device 18, the flange joint 17 of the feeding device 4 rotates along with the water-removing bin 1, and the three-way pipe 22 is static; one end of the air duct 24 is fixed on the exhaust port 23 of the three-way pipe 22, the other end is fixed on the exhaust device 11 or sequentially fixed on the heat exchanger and the exhaust device 11, a heat insulation layer is arranged outside the air duct 24 for heat insulation, and the heat exchanger or the condenser is arranged on the air duct 24 between the exhaust device 11 and the feeding device 4.
The right-hand member of heating bunker 2 is equipped with into discharge device 5, it includes elbow 19, conducting ring 25 to advance discharge device 5, the one end of elbow 19 is passed through flange joint 17 and is connected with discharge gate 13, the junction of flange joint 17 is equipped with sealing device 18, the other end of elbow 19 is connected with feeding device 20, the lower extreme of feeding device 20 is connected with hopper 21, still be equipped with conducting ring 25 on the elbow 19, the elbow 19 lower extreme is equipped with support 9.
The elbow 19 and the flange joint 17 are fixed and dynamically sealed by a sealing device 18, when the water-removing bin 1 rotates, the flange joint 17 of the discharging device 5 rotates along with the water-removing bin 1, the elbow 19 is stationary, the sealing device 18 is a magnetic fluid sealing device 18, or a movable sealing device 18, or a labyrinth sealing device 18, and the electricity of an external power supply is transmitted to the heating device 15 through a conducting ring 25.
The tea leaves are continuously and timely input or discharged from the fixation bin 1 by the material conveying device 20, dynamic sealing is kept in the tea leaf conveying process, the air input of the gas in the hopper 21 into the fixation bin 1 is reduced when the relative pressure in the fixation bin 1 is low, and the steam in the fixation bin 1 is not leaked in the external environment when the relative pressure in the fixation bin 1 is high; the material conveying device 20 is an air seal machine, or a screw feeder, or a vacuum discharge valve, or an air release valve. According to different use requirements, the corresponding material conveying device 20 is selected.
The exhaust device 11 is a blower, or a vacuum pump, or an air release valve, and the material conveying device 20 is an air seal, or a screw feeder, or a vacuum discharge valve, or an air release valve.
The holes on the roller 31 are plain holes or hot-melt hole type holes; the hole is the plain end hole of cutting equipment processing preparation such as laser, gas cutting, perhaps is by the hot melt pass hole of hot melt drilling processing preparation, the hot melt hole thickness in hot melt pass hole is 3 ~ 4 times of cylinder 31 thickness, has strengthened the firmness of heating pipe 16 with cylinder 31, has avoided the leakage risk, has reduced cylinder 31's sheet metal thickness, has reduced the cost of manufacture in the storehouse of completing 1, has reduced the total weight in the storehouse of completing 1, has reduced drive arrangement 10's electric energy consumption.
A method for conducting superheated steam de-enzyming is characterized by comprising the following steps:
(1) the driving device 10 drives the fixation bin 1 to rotate through the gear ring 7, so that the fixation bin 1 rotates on the riding wheel 8, and the circulating flow device 26 rotates along with the roller 31;
(2) wet tea leaves enter the fixation bin 1 through the feeding device 4 and the feeding hole 12, and the tea leaves flow from the feeding hole 12 of the fixation bin 1 to the discharging hole 13 of the fixation bin 1;
(3) the heat conducting working medium 3 in the heating bin 2 is heated by the heating device 15, heat energy carried by the heat conducting working medium 3 conducts heat conduction and heat transfer to moisture steam and tea leaves in the fixation bin 1 through the bin body of the fixation bin 1 and the heating pipe 16, and the moisture generated during fixation and drying of the tea leaves is heated by the heat conducting working medium 3 to become superheated steam;
(4) under the pumping action of the fan 28, the superheated steam carries out circulating convection in the water-removing bin 1, the filter cylinder 29 and the second air duct 27, and heat energy carried by the heat-conducting working medium 3 and the superheated steam carry out heat transfer water-removing and mass transfer drying on the tea;
(5) the tea leaves after being de-enzymed are discharged out of the de-enzyming bin 1 through the discharge hole 13 and the feeding and discharging device 5.
The pressure in the water-removing bin 1 is controlled by the pumping of the exhaust device 11, and the tea leaves are subjected to high-pressure conduction superheated steam water-removing, or are subjected to approximate atmospheric pressure conduction superheated steam water-removing, or are subjected to negative pressure conduction superheated steam water-removing in the water-removing bin 1; the relative pressure in the water-removing bin 1 is-0.06 MPa-0.5 MPa.
The working principle is as follows: moisture steam generated during tea fixation and drying in the fixation bin 1 is discharged through an exhaust port 23 arranged on the feeding device 4, under the pumping and exhausting action of the exhaust device 11, steam in the fixation bin 1 at a discharge port 13 of the fixation bin 1 moves in a convection manner towards a feed port 12 of the fixation bin 1, the moisture steam is in a convection flowing state in the fixation bin 1, the moisture steam and the tea in the fixation bin 1 are reversely discharged, and the heat exchanger preheats the tea for use or is used for other purposes after heat exchange is carried out on heat energy in the steam discharged from the fixation bin 1 through the heat exchanger, so that the effects of energy conservation and emission reduction by utilizing waste heat are achieved. The tea leaf water-removing bin 1 is a steam generator, a steam heater, tea leaf water-removing equipment and tea leaf drying equipment, and has multiple functions of steam production, steam heating, tea leaf water-removing and tea leaf drying. The heat energy carried by the heat conducting working medium 3 conducts and transfers heat to the moisture steam and the tea leaves in the green removing bin 1 through the drum 31 bin body and the heating pipe 16 of the green removing bin 1, the water source of the superheated steam is the moisture generated during the green removing and drying of the tea leaves, the heat energy carried by the heat conducting working medium 3 conducts heat transfer and heating on the drum 31 bin body and the heating pipe 16, the moisture steam generated during the green removing and drying of the tea leaves is the superheated steam after conducting heat transfer and heating on the drum 31 bin body and the heating pipe 16 through the heat conducting working medium 3, the filter cartridge 29 is in a negative pressure state under the pumping and exhausting action of the fan 28, the superheated steam in the green removing bin enters the filter cartridge 29 through the air holes 30 on the drum 29, the superheated steam in the filter cartridge 29 enters the second air duct 27 under the pumping and exhausting action of the fan 28, and the superheated steam is discharged in the green removing bin 1 through the second air duct 27, the superheated steam carries out circulating convection in the de-enzyming bin 1, the filter cylinder 29 and the second air duct 27 under the pumping and discharging action of the fan 28, the superheated steam and the tea in the de-enzyming bin 1 dynamically flow, the superheated steam is fully contacted with the tea in the rising process, the superheated steam enhances the convection heat transfer and mass transfer with the tea in the rising process, the superheated steam transfers the carried heat energy to the wet tea through the convection heat transfer and mass transfer diffusion action between the superheated steam and the tea, meanwhile, the moisture in the wet tea absorbs heat, is vaporized and diffused, is carried away by the superheated steam, and carries out heat transfer de-enzyming and mass transfer drying on the tea.
For ease of description, the orientations referred to above are now specified as follows: the up, down, left, right, and front-back directions described above coincide with the up, down, left, right, and front-back directions of the projection relation of fig. 1 itself.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120594837.9U CN215775268U (en) | 2021-03-24 | 2021-03-24 | Internal circulation superheated steam water-removing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120594837.9U CN215775268U (en) | 2021-03-24 | 2021-03-24 | Internal circulation superheated steam water-removing device |
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