CN214516334U - Tea washing production line - Google Patents

Abstract

The utility model provides a tealeaves washing production line, including consecutive tealeaves cleaning equipment, be used for carrying out the vibration waterlogging caused by excessive rainfall machine of primary dehydration and be used for carrying out the belt dewatering equipment of secondary dehydration to the bright leaf of tea, wherein, tealeaves cleaning equipment includes: the cleaning mechanism is provided with a cleaning water tank and a plurality of exhaust pipes arranged in the cleaning water tank, and an ultrasonic generator is connected to the outer wall of the cleaning water tank; the conveying mechanism is provided with a first conveying belt and a second conveying belt which are connected, the first conveying belt is positioned in the cleaning water tank and extends along the length direction of the cleaning water tank, and the second conveying belt extends out of the discharge end part of the cleaning water tank and is positioned obliquely above the cleaning water tank; and the spraying mechanism is positioned above the second conveyor belt and is provided with a plurality of first spraying heads facing the second conveyor belt. The utility model provides a bright leaf of tea wash not comprehensive, the cleaning efficiency is not high and can't effectively take off the problem of surface water.

Description

Tea washing production line

Technical Field

The utility model relates to a tealeaves washs technical field, especially relates to a tealeaves washing production line that carries out washing and dehydration stoving to the bright leaf of tea.

Background

At present, tea leaves are artificially cultivated and used as drinks for more than 5000 years, the tea leaves are directly processed into products without being cleaned in the traditional tea leaf processing method, but with the environmental change and the attention of consumers on the health and safety of the tea leaves, some tea enterprises continuously try fresh tea leaf washing processes, and the fresh tea leaf washing is subjected to several stages of artificial washing, washing machine type stirring washing and bubble type washing.

However, the manual washing of tea leaves has the problems of high labor intensity and low efficiency, and cannot meet the increasingly-required large-scale production; when the washing machine type stirring and water washing tea fresh leaves are stirred in the drum, the leaves of the tea fresh leaves are easy to rub with each other, so that the tea fresh leaves are damaged, and the leaves of the tea fresh leaves are extruded with each other to cause physical damage during ion dehydration treatment.

Although the problem of above two kinds of fresh tea leaves of washing has been solved to traditional bubble cleaning machine, traditional bubble cleaning machine washs fresh tea leaves through the mode that lets in compressed air in the pond, and it can't get rid of the tiny impurity and the greasy pollutant on fresh tea leaf's blade surface, also can't reach the effect of degrading the pesticide residue simultaneously. In addition, after the fresh tea leaves are cleaned by the traditional bubble cleaning machine, a large amount of water still exists on the fresh tea leaves, and the problem of water resource waste exists.

In the prior art, the surface water removal mode of the fresh tea leaves after washing is mainly carried out through a drum screen, centrifugal dehydration and drying mode, the fresh tea leaves are easily damaged under the action of friction and extrusion, and particularly in the final drying link with temperature, biochemical components of the fresh tea leaves are easily deteriorated under the heating action.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tealeaves washing production line has solved the bright leaf of tea and has washd not comprehensive, the not high and unable problem of effectively dewatering of cleaning efficiency.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a tea washing production line, which comprises a tea washing device, a vibration draining machine for primary dehydration treatment of fresh tea leaves and a belt type dewatering device for secondary dehydration treatment of the fresh tea leaves, which are connected in sequence, wherein,

the tea leaf cleaning device comprises:

the cleaning mechanism is provided with a cleaning water tank and a plurality of exhaust pipes arranged in the cleaning water tank, and an ultrasonic generator is connected to the outer wall of the cleaning water tank;

the conveying mechanism is provided with a first conveying belt and a second conveying belt which are connected, the first conveying belt is positioned in the cleaning water tank and extends along the length direction of the cleaning water tank, and the second conveying belt extends out of the discharging end part of the cleaning water tank and is positioned above the cleaning water tank in an inclined mode;

and the spraying mechanism is positioned above the second conveyor belt and is provided with a plurality of first spraying heads facing the second conveyor belt.

The utility model discloses an in the embodiment, it is a plurality of the blast pipe is followed the length direction interval of washing basin sets up and is located wash the bottom of basin, each the interval is equipped with a plurality of exhaust holes on the blast pipe.

In an embodiment of the present invention, each of the exhaust pipes may be connected to a bubbler; alternatively, each of the exhaust pipes can be connected to an ozone generator.

In the embodiment of the utility model, the upper part of the cleaning water tank is connected with an ozone recovery pipeline.

The utility model discloses an in the embodiment, the end connection of first conveyer belt has the drive wheel, the end connection of second conveyer belt has from the driving wheel, first conveyer belt with the second conveyer belt be in the drive wheel with can synchronous drive set up under the drive of follow driving wheel, first conveyer belt with link to each other through climbing conveyer belt between the second conveyer belt.

In an embodiment of the present invention, the first conveyor has a first upper conveyor located above the driving wheel and a first lower conveyor located below the driving wheel, and the plurality of exhaust pipes are located between the first upper conveyor and the first lower conveyor; the second conveyor belt is provided with a second upper conveyor belt positioned above the driven wheel and a second lower conveyor belt positioned below the driven wheel, and the plurality of first spray headers are positioned above the second upper conveyor belt.

In an embodiment of the present invention, the spraying mechanism further has a plurality of second spraying heads, and the plurality of second spraying heads are located between the second upper conveying belt and the second lower conveying belt; the plurality of second spray headers and the plurality of first spray headers are arranged oppositely up and down, or the plurality of second spray headers and the plurality of first spray headers are arranged in a staggered manner up and down.

The utility model discloses an in the embodiment, tealeaves cleaning equipment still includes air knife mechanism, air knife mechanism has and is located a plurality of air knife shower nozzles of the top of second conveyer belt, it is a plurality of first shower head, a plurality of air knife shower nozzle is followed the direction of delivery of second conveyer belt sets gradually.

The utility model discloses an in the embodiment, each air knife shower nozzle has along a plurality of air jets that the direction of delivery of second conveyer belt set up side by side, each the air jet follows the width direction of second conveyer belt extends the setting.

In an embodiment of the present invention, the longitudinal cross-sectional shape of the air ejection port is a duckbill shape.

The utility model discloses an in the embodiment, air knife mechanism still has the setting and is in the terminal blowing nozzle of the transport of second conveyer belt, blowing nozzle has the edge the flat mouth of blowing that the width direction of second conveyer belt extends the setting.

The utility model discloses an in the embodiment, the nozzle of blowing has first body and the second body that links to each other in proper order along the direction of blowing, the internal diameter of first body is followed the direction convergent setting of blowing, the tip of second body forms the flat mouth of blowing.

The utility model discloses an in the embodiment, be equipped with the deposit collecting vat in the washing basin, the deposit collecting vat is located the pan feeding tip of washing basin and with the dog-house of washing basin sets up relatively from top to bottom, the deposit collecting vat with first conveyer belt sets up side by side.

The utility model discloses an in the embodiment, the upper portion of washing basin is equipped with a plurality of spray pipes, and is a plurality of the spray pipe certainly the pan feeding tip of washing basin extremely the ejection of compact tip interval of washing basin sets up, and each the spray pipe is followed the width direction of washing basin is equipped with a plurality of sprinkler bead.

The utility model discloses an in the embodiment, the below of second conveyer belt is equipped with the backward flow board, the backward flow board with the discharge end portion of washing basin meets.

The utility model discloses an in the embodiment, the below of second conveyer belt is equipped with washs the filter disc, it is a plurality of to wash the filter disc be located a plurality of the below of first shower head.

The utility model discloses an in the embodiment, tealeaves cleaning equipment still has circulation tank, circulation tank pass through the circulation pipeline with the washing basin links to each other, be equipped with filter screen in the circulation tank.

In an embodiment of the present invention, the vibration draining machine includes:

the frame is connected with a sieve plate in a vibrating way;

and the blowing structure is arranged above the sieve plate, and a blowing opening of the blowing structure faces the sieve plate in an inclined manner.

In an embodiment of the present invention, an elastic member is connected to the top of the frame, and the perforated plate is connected to the elastic member; the lower part of the sieve plate is connected with a water collecting plate, and the bottom of the water collecting plate is connected with a vibrating motor.

In an embodiment of the present invention, the belt type water removing apparatus includes:

the water removing mechanism is internally provided with a conveying net belt for placing cleaned fresh tea leaves, and is provided with an air inlet and an air outlet, and natural wind passing through the air inlet can penetrate through the conveying net belt and is discharged from the air outlet;

and the moisture exhausting fan is connected with the air outlet.

The utility model discloses an in the embodiment, the income wind gap of dewatering mechanism lets in low-temperature wind, the temperature of low-temperature wind is less than 40 ℃.

The utility model discloses a characteristics and advantage are:

one, the utility model discloses a tealeaves washing production line when wasing the bright leaf of tea through tealeaves cleaning equipment, can be according to the in-service use needs, for example according to the variety of the bright leaf of tea, factors such as cleaning amount, let in air or ozone in the washing basin, the cooperation uses supersonic generator simultaneously, utilize the produced pressure of ultrasonic cavitation to carry out the omnidirectional washing operation to the bright leaf of tea, reach the purpose of wasing the bright leaf of tea comprehensively, avoid having impurity in the bright leaf of tea, there is the condition such as dirt in the bright leaf surface of tea, effectively improve the off-the-shelf quality of system tea.

Two, the utility model discloses a tealeaves washing production line, this vibratory water-dropping machine can make the bright leaf of tea move to the low place along the orifice plate of slope to enable the bright leaf apparent water droplet of tea and the bright leaf of tea to carry out the physical separation, the setting of cooperation blast structure can accelerate the separation of the bright leaf of tea and water, and promote the bright leaf of tea and carry forward, has improved the dehydration efficiency and the conveying speed of the bright leaf of tea.

Thirdly, the utility model discloses a tea washing production line, this belt dewatering equipment make low temperature wind evenly through the bed of material of taking water through certain wind pressure effect, take away the moisture content on the bright leaf surface of tea, reach low wind temperature, do not have the purpose of physical damage, energy-conserving dewatering.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of the tea washing production line of the present invention.

Figure 2 is a front view of the tea leaf cleaning device of the present invention.

Fig. 3 is a perspective view of the tea leaf cleaning device of the present invention.

Fig. 4 is a schematic perspective view of the blowing nozzle of the present invention.

Fig. 5 is a front view of the vibration water draining machine of the present invention.

Fig. 6 is a schematic structural view of the water removing mechanism of the belt water removing apparatus of the present invention.

Fig. 7 is a front view of the belt type water removing apparatus of the present invention.

Reference numerals and description:

10. tea leaf cleaning equipment; 1. a cleaning mechanism; 11. cleaning the water tank; 111. a return plate; 112. cleaning the filter disc; 113. an access hole; 114. a filter box; 12. an exhaust pipe; 121. an exhaust hole; 13. an ultrasonic generator; 14. a bubbling machine; 141. a breather pipe; 15. an ozone generator; 16. an ozone recovery pipeline; 17. a sediment collection tank; 171. a baffle plate; 18. a feeding port; 19. a water spray pipe; 191. a sprinkler head; 2. a transport mechanism; 21. a first conveyor belt; 211. a first upper conveyor belt; 212. a first lower conveyor; 22. a second conveyor belt; 221. a second upper conveyor belt; 222. a second lower conveyor; 23. a drive wheel; 24. a driven wheel; 25. a climbing conveyor belt; 3. a spraying mechanism; 31. a first shower head; 32. a second shower head; 4. an air knife mechanism; 41. an air knife shower nozzle; 411. an air jet; 42. a blowing nozzle; 421. blowing flat mouth; 422. a first body; 423. a second body; 5. a circulating water tank; 51. filtering the screen; 52. a circulation line; 521. a water outlet pipe; 522. a water inlet pipe; 20. vibrating a draining machine; 201. a frame; 202. a blowing structure; 203. a perforated screen; 204. an elastic member; 205. a water collection plate; 206. a vibration motor; 207. a moisture extraction port; 30. a belt dewatering device; 301. a water removal mechanism; 302. a moisture removal fan; 303. a conveyor belt; 304. an air inlet; 305. an air outlet; 306. a drive mechanism; 307. a communicating pipeline; f1, conveying direction; f2, blowing direction.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 3, the present invention provides a tea leaf water washing production line, which comprises a tea leaf washing device 10, a vibration draining machine 20 for performing primary dewatering treatment on fresh tea leaves, and a belt type dewatering device 30 for performing secondary dewatering treatment on the fresh tea leaves, which are connected in sequence; wherein tealeaves cleaning equipment 10 includes wiper mechanism 1, transport mechanism 2 and sprays mechanism 3, wherein: the cleaning mechanism 1 is provided with a cleaning water tank 11 and a plurality of exhaust pipes 12 arranged in the cleaning water tank 11, and an ultrasonic generator 13 is connected to the outer wall of the cleaning water tank 11; the conveying mechanism 2 is provided with a first conveying belt 21 and a second conveying belt 22 which are connected, the first conveying belt 21 is positioned in the cleaning water tank 11 and extends along the length direction of the cleaning water tank 11, and the second conveying belt 22 extends out of the discharge end part of the cleaning water tank 11 and is positioned above the cleaning water tank 11 in an inclined mode; the spraying mechanism 3 is located above the second conveyor belt 22, and the spraying mechanism 3 is provided with a plurality of first spraying heads 31 facing the second conveyor belt 22.

Specifically, the exhaust pipes 12 are disposed at the bottom of the cleaning water tank 11, each exhaust pipe 12 may extend along the width direction of the cleaning water tank 11, or each exhaust pipe 12 may extend along the length direction of the cleaning water tank 11, a certain distance is provided between every two adjacent exhaust pipes 12, and a plurality of exhaust holes 121 are disposed at intervals on each exhaust pipe 12. In this embodiment, each exhaust pipe 12 extends along the width direction of the cleaning water tank 11, and a plurality of exhaust pipes 12 are arranged along the length direction of the cleaning water tank 11 at intervals, so that on one hand, the exhaust pipe 12 is prevented from being too long, the exhaust pipe 12 is prevented from being bent to affect the exhaust effect, on the other hand, the structure is simplified, and no additional support member or the like is required to be added to the exhaust pipe 12; the utility model discloses a length of each blast pipe 12 is equivalent with the width of washing basin 11 to on the whole cross section of the exhaust of blast pipe 12 can expand to washing basin 11, improve the tympanic bulla volume in the liquid.

In a possible embodiment, each exhaust pipe 12 can be connected to the bubbler 14, for example, the end of each exhaust pipe 12 extending out of the cleaning tank 11 is collected to a vent pipe 141, and the vent pipe 141 is connected to the bubbler 14; air, for example, air, is introduced into each exhaust pipe 12 by the bubbling machine 14, bubbles are generated in the liquid in the washing water tank 11, the liquid is subjected to strong water wave motion by the bubbles, the fresh tea leaves are turned and stirred in the liquid, the fresh tea leaves are sufficiently scattered, and silt, stones, and the like on the surface of the fresh tea leaves sink to the bottom of the washing water tank 11. The utility model discloses in, the bottom plate structure that the high longitudinal section in middle low, both sides is the V type is formed to the bottom of washing basin 11, can make silt or the stone gathering that immerses washing basin 11 bottom at the V-arrangement depressed part, and can not take place to turn up and raise the problem that causes the pollution again to reach the mesh of effectively wasing the bright leaf of tea.

In the utility model, the bottom of the cleaning water tank 11 can be provided with a silt flushing pipe, which can be manually opened when cleaning the field, and is convenient for sewage discharge after being flushed by water when cleaning the field; in addition, in order to facilitate cleaning and maintenance, maintenance holes 113 having a length and a width of 300m × 400mm may be formed on both side walls of the cleaning water tank 11.

Further, a filter tank 114 may be connected to a side wall of the washing tub 11, and the filter tank 114 may be connected to the washing tub 11 through a mesh screen to collect impurities (e.g., floating materials such as grass and woven silk), bugs, etc. floating in the liquid of the washing tub 11; while the filaments, hairs, etc. adhered to the conveyor mechanism 2 can be removed by the hair rollers, for example, the hair rollers may be provided on the inner side surfaces of the first and second conveyor belts 21 and 22 of the conveyor mechanism 2, and the hair rollers are sufficiently contacted with the surfaces of the first and second conveyor belts 21 and 22 to remove the surfaces thereof, without affecting the operation of the first and second conveyor belts 21 and 22.

In another feasible embodiment, each exhaust pipe 12 can be connected with an ozone generator 15, ozone is introduced into the liquid in the cleaning water tank 11 through each exhaust pipe 12 through the ozone generator 15, bubbles are generated in the liquid, simultaneously, organophosphorus pesticides such as dichlorvos, dimethoate, parathion and the like in fresh tea leaves can be effectively degraded, and the degradation rate can reach more than 98%. In this embodiment, the concentration of ozone added to the cleaning tank 11 is 0.3mg/L to 0.5mg/L, which can effectively achieve the purpose of sterilization and pesticide residue reduction.

Further, in order to prevent the environment from being polluted by ozone, an ozone recovery line 16 is connected to an upper portion of the cleaning water tank 11 so as to recover the ozone introduced into the cleaning water tank 11.

Considering that the purpose of removing the silt and other dirt on the surface of the fresh tea leaves can be achieved by disturbing the fresh tea leaves to roll up and down in the cleaning water tank 11 only through a mode of bubbling air into the liquid at present, however, in practical use, the inventor finds that under the condition that the cleaning amount of the fresh tea leaves is large, the problem that part of the silt and stone cannot be effectively removed still exists on the fresh tea leaves, in view of this, the utility model also connects an ultrasonic generator 13 on the cleaning water tank 11, the ultrasonic wave generated by the ultrasonic generator 13 is guided into the liquid in the cleaning water tank 11, the ultrasonic wave can transmit the liquid in the cleaning water tank 11 in a high-frequency conversion mode by the interactive compression force and the decompression force of more than twenty thousand times per second, the micro-bubble vibration in the liquid can be kept under the action of the ultrasonic wave, when the sound pressure or the sound intensity of the ultrasonic wave receives a certain degree, the micro bubbles will expand rapidly and then close suddenly, during the process, shock waves are generated at the moment of closing the bubbles, and the pressure of about 1012-1013 pa is generated around the bubbles, and the huge pressure generated by the ultrasonic cavitation can destroy insoluble dirt on the surface of the fresh tea leaves and lead the insoluble dirt to be differentiated in the solution, thereby achieving the effect of effectively stripping the dirt on the surface of the fresh tea leaves.

The utility model discloses when wasing the fresh tea leaf, can be according to the in-service use needs, for example according to the variety of the fresh tea leaf, factors such as washing volume, let in air or ozone in washing basin 11, ultrasonic generator 13 is used in the cooperation simultaneously, utilize the produced pressure of ultrasonic cavitation to carry out the omnidirectional washing operation to the fresh tea leaf, reach the purpose of the fresh tea leaf of comprehensive washing, avoid having impurity in the fresh tea leaf, there is the condition such as dirt in the fresh tea leaf surface, effectively improve the off-the-shelf quality of tea-making.

In the utility model, after the fresh tea leaves in the cleaning water tank 11 are cleaned, the fresh tea leaves are conveyed to the second conveyor belt 22 along with the first conveyor belt 21 of the conveying mechanism 2 and then leave the cleaning water tank 11; during the conveying process of the second conveyor belt 22, the first spray heads 31 above the second conveyor belt spray clean water to the cleaned fresh tea leaves, so as to achieve the purpose of cleaning the fresh tea leaves for the second time.

Specifically, the end of the first conveyor belt 21 is connected with a driving wheel 23, the end of the second conveyor belt 22 is connected with a driven wheel 24, the first conveyor belt 21 and the second conveyor belt 22 can be synchronously driven by the driving wheel 23 and the driven wheel 24, and the first conveyor belt 21 and the second conveyor belt 22 are connected through a climbing conveyor belt 25. The speeds of the first conveyor belt 21, the climbing conveyor belt 25 and the second conveyor belt 22 can be set adjustably according to the rotation speed of the driving wheel 23.

Wherein the first conveyor belt 21 has a first upper conveyor belt 211 positioned above the driving wheel 23 and a first lower conveyor belt 212 positioned below the driving wheel 23, and the plurality of exhaust pipes 12 are positioned between the first upper conveyor belt 211 and the first lower conveyor belt 212; the second conveyor belt 22 has a second upper conveyor belt 221 positioned above the driven pulley 24 and a second lower conveyor belt 222 positioned below the driven pulley 24, and the plurality of first showerheads 31 are positioned above the second upper conveyor belt 221.

After the fresh tea leaves are put into the feeding end part of the self-cleaning water tank 11, the fresh tea leaves can be turned and stirred up and down in the cleaning water tank 11 under the action of bubbles in the liquid, and in order to enable each exhaust hole 121 of each exhaust pipe 12 to smoothly exhaust, the exhaust pipes 12 are arranged between the first upper conveyor belt 211 and the first lower conveyor belt 212 of the first conveyor belt 21; in addition, with the adoption of the structural design, the space between the first upper conveyor belt 211 and the first lower conveyor belt 212 is fully utilized, so that the structures of the first conveyor belt 21 and each exhaust pipe 12 are more compact, the use volume of the cleaning water tank 11 is effectively increased, and the bubble yield of the bubbles is increased.

The utility model discloses in, the width of first conveyer belt 21 is equivalent with the width of washing basin 11, and the bright leaf of tea can overturn the disturbance and then reach abluent purpose in the washing basin 11 of first conveyer belt 21 top to along the direction of delivery F1 of first conveyer belt 21, the bright leaf of tea can be removed to the discharge end portion of washing basin 11 from the pan feeding tip of washing basin 11, and then is transported to second conveyer belt 22 through climbing conveyer belt 25.

The spraying mechanism 3 is disposed above the second conveyor belt 22, and includes a plurality of first spraying heads 31, the first spraying heads 31 are disposed at intervals in the width direction of the second conveyor belt 22, and a plurality of rows are disposed at intervals in the conveying direction F1 of the second conveyor belt 22. The fresh tea leaves can be washed and cleaned for the second time by introducing clean water into the first spray heads 31.

Further, the spraying mechanism 3 further has a plurality of second spraying heads 32, the second spraying heads 32 are located between the second upper conveyor belt 221 and the second lower conveyor belt 222, the plurality of second spraying heads 32 and the plurality of first spraying heads 31 are arranged oppositely up and down, or the plurality of second spraying heads 32 and the plurality of first spraying heads 31 are arranged in a staggered manner up and down. Specifically, the second spray headers 32 are arranged at intervals along the width direction of the second conveyor belt 22, and a plurality of rows are arranged at intervals along the conveying direction F1 of the second conveyor belt 22, and a plurality of second spray headers 32 of each row and a plurality of first spray headers 31 of each row above the second upper conveyor belt 221 may be arranged in an up-down opposite manner, or may be arranged in a staggered manner according to actual use requirements, which is not limited herein.

The tea cleaning equipment effectively improves the efficiency of cleaning fresh tea leaves, and can achieve the purposes of effectively removing dirt and fine impurities on the surfaces of the fresh tea leaves, sterilizing and reducing pesticide residues.

According to an embodiment of the utility model, this tealeaves cleaning equipment still includes air knife mechanism 4, and this air knife mechanism 4 has a plurality of air knife shower nozzles 41 that are located the second conveyer belt 22 top, and a plurality of first shower heads 31, a plurality of air knife shower nozzles 41 set gradually along conveying mechanism 2's direction of delivery F1. The air knife mechanism 4 is mainly used for blowing air to the fresh tea leaves on the second conveyor belt 22 so as to blow off residual moisture on the surfaces of the fresh tea leaves and improve the efficiency of the subsequent treatment process of the fresh tea leaves.

Specifically, each air knife shower head 41 has a plurality of air nozzles 411 arranged side by side in the conveying direction F1 of the second conveyor belt 22, each air nozzle 411 is arranged to extend in the width direction of the second conveyor belt 22, and in the present embodiment, the longitudinal cross-sectional shape of each air nozzle 411 is a duckbill shape. The air nozzles 411 can blow compressed air onto the fresh tea leaves on the second conveyor belt 22 at a certain speed, so as to achieve the purpose of quickly removing the moisture on the surface of the fresh tea leaves.

According to an embodiment of the present invention, the air knife mechanism 4 further has an air blowing nozzle 42 provided at the conveying end of the second conveyor belt 22, and the air blowing nozzle 42 has an air blowing flat port 421 provided in the width direction of the second conveyor belt 22.

Specifically, as shown in fig. 4, the blowing nozzle 42 has a first body 422 and a second body 423 arranged in a blowing direction F2, an inner diameter of the first body 422 is tapered in the blowing direction F2, and an end of the second body 423 forms a blowing flat 421.

When the fresh tea leaves are conveyed to the tail end of the second conveying belt 22 along with the second conveying belt 22, the fresh tea leaves are adhered to the second conveying belt 22 and cannot be smoothly discharged due to the fact that water is contained in the fresh tea leaves, the fresh tea leaves adhered to the second conveying belt 22 flow back to the cleaning water tank 11 along with continuous operation of the conveying mechanism 2, return cleaning of the fresh tea leaves is achieved, cleaning efficiency of the fresh tea leaves is reduced, and cleaning loss is increased. The utility model discloses at the transport end of second conveyer belt 22, also be the vertical position department that the fresh tea leaf will leave second conveyer belt 22 promptly, add a blast nozzle 42, and make the width of the flat mouth 421 of blowing of this blast nozzle 42 just with second conveyer belt 22 with wide and aim at the transport end of second conveyer belt 22, this blast nozzle 42 can change the wind of fan into high velocity air, fine fresh tea leaf that will glue on second conveyer belt 22 blows off second conveyer belt 22, and make its blanking smoothly, the fresh tea leaf that has significantly reduced returns the flow of repetition and the loss that leads to, the cleaning efficiency is improved.

According to the utility model discloses an embodiment is equipped with deposit collecting vat 17 in washing basin 11, and this deposit collecting vat 17 is located the pan feeding tip of washing basin 11 and sets up relatively from top to bottom with the dog-house 18 of washing basin 11, and this deposit collecting vat 17 sets up side by side with first conveyer belt 21.

Specifically, be equipped with a baffle 171 at the tip that deposit collecting vat 17 and first conveyer belt 21 meet, after the fresh tea leaves throw into washing basin 11 from feed inlet 18 in, the relatively heavier impurity in the fresh tea leaves, for example stone etc. when carrying along with the fresh tea leaves toward the discharge end portion of washing basin 11, heavier impurity can fall to in the deposit collecting vat 17, and it can not be carried to first conveyer belt 21 department along with the fresh tea leaves, has reached the effect of effectively getting rid of the stone.

Further, in order to continuously convey the fresh tea leaves forward in the cleaning water tank 11, a plurality of water spraying pipes 19 are further provided at an upper portion in the cleaning water tank 11, for example, a plurality of water spraying pipes 19 are provided above the sediment collecting groove 17 and above the first conveyor belt 21, the water spraying pipes 19 are arranged at intervals from a feeding end portion of the cleaning water tank 11 to a discharging end portion of the cleaning water tank 11, and each water spraying pipe 19 is provided with a plurality of water spraying heads 191 along a width direction of the cleaning water tank 11. That is, each water spraying pipe 19 extends along the width direction of the cleaning water tank 11, and the plurality of water spraying heads 191 on each water spraying pipe 19 are obliquely arranged towards the conveying direction of the fresh tea leaves so as to provide a driving force for the fresh tea leaves to move forwards, and meanwhile, the fresh tea leaves in the cleaning water tank 11 can be further disturbed to roll up and down through the water spraying of the water spraying pipes 19, so that the aim of effective cleaning is fulfilled.

In this embodiment, the water spraying head 191 is disposed at an angle of 20-80 ° with the horizontal direction, and the fresh tea leaves are disturbed and washed again by the high-pressure water sprayed from the water spraying head 191, drift toward the discharging end of the cleaning water tank 11, and are lifted and conveyed by the climbing conveyor 25 at the discharging end.

According to an embodiment of the present invention, a return plate 111 is provided below the second conveyor belt 22, and the return plate 111 is connected to the discharge end of the cleaning water tank 11. In-process of blowing to the fresh tea leaf at air knife mechanism 4, have some clear water to fall to backward flow board 111 on, and then flow back to in the washing basin 11, this backward flow board 111's design can reduce the length of washing basin 11 relatively, has avoided environmental pollution, also can reach the purpose of circulation washing liquid in the basin 11.

Further, a cleaning filter plate 112 is disposed below the second conveyor belt 22, and the cleaning filter plate 112 is disposed below the plurality of first showers 31. When a plurality of first shower heads 31 spray clear water to the fresh tea leaves on the second conveyor belt 22 so as to wash away the fresh tea leaves for the second time, the second lower conveyor belt 222 along the second conveyor belt 22 flows back to the direction of the cleaning water tank 11, and the first shower heads 31 can also wash away the second lower conveyor belt 222, so that the fresh tea leaves and/or impurities adhered to the second lower conveyor belt can be washed away, the washed materials can fall into the cleaning filter disc 112, and then the material backflow is avoided, so that the problems of low cleaning efficiency and unclean cleaning are caused.

As shown in fig. 3, the tea leaf washing apparatus further includes a circulation tank 5, the circulation tank 5 is connected to the washing tub 11 through a circulation line 52, and a filter screen 51 is provided in the circulation tank 5. The circulation pipe 52 includes an outlet pipe 521 connected to the upper side of the circulation tank 5 and an inlet pipe 522 connected to the lower side of the circulation tank 5.

Specifically, this circulation tank 5 can set up in the one side of washing basin 11, is used for holding the circulating water in it, when needs carry out loop filter to the liquid in the washing basin 11, opens the water pump, take out the liquid in the washing basin 11, and take out to circulation tank 5 in from outlet pipe 521, the filter screen 51 that lies in circulation tank 5 upper portion this moment can carry out filtration treatment to the impurity in the liquid, the liquid after the filtration can flow back to washing basin 11 in from oral siphon 522, thereby reach the purpose that the circulating water was recycled. In this embodiment, the filter screen 51 may be connected to the outlet of the outlet pipe 521.

As shown in fig. 5, the vibratory dewatering machine 20 is used for performing primary dewatering treatment on fresh tea leaves cleaned by the tea cleaning device 10, the vibratory dewatering machine 20 includes a rack 201 and a blowing structure 202, wherein: a sieve plate 203 is connected to the frame 201 in a vibrating manner; the blowing structure 202 is arranged above the mesh plate 203, and the blowing port of the blowing structure 202 is arranged obliquely towards the mesh plate 203.

Specifically, the frame 201 is substantially in a shape of a rectangular parallelepiped frame, and has four legs, the top of each leg is connected to an elastic member 204, the elastic member 204 may be a spring, for example, and four end corners of the mesh plate 203 are connected to an elastic member 204, respectively, in this embodiment, a plurality of through holes are punched on the mesh plate 203, so that water drops on the surface of the fresh tea leaves flow out of the through holes, and the dehydration treatment of the fresh tea leaves is realized; a water collecting plate 205 is connected below the sieve plate 203, and water drops obtained after the fresh tea leaves are dehydrated are collected and treated by the water collecting plate 205; in this embodiment, a vibration motor 206 is connected to the bottom of the water collecting plate 205, and the perforated plate 203 is vibrated up and down and/or horizontally by the vibration motor 206.

The sieve plate 203 is arranged along the conveying direction of the fresh tea leaves in a downward inclination mode, after the fresh tea leaves enter the sieve plate 203, the vibrating motor 206 drives the sieve plate 203 to generate high-frequency vibration, and the fresh tea leaves are thrown up and fall on the sieve plate 203 and are quickly paved and moved downwards; the vibrated water drops are filtered into the lower water collecting plate 205 through a plurality of perforations of the sieve plate 203, and the filtered fresh tea leaves move forward along the sieve plate 203 to enter the next process; in this embodiment, a blowing structure 202 is further arranged on the upper portion of the sieve plate 203, so that the separation of water drops and fresh tea leaves is facilitated in the process that the fresh tea leaves bounce on the sieve plate 203, and meanwhile, the effect of pushing the fresh tea leaves forwards is achieved. Furthermore, a dehumidifying port 207 is arranged at the upper part of the sieve plate 203, and when the dehumidifying port 207 is connected to a dehumidifier, the dehumidifying process can be carried out on the moisture after the fresh tea leaves are separated.

This vibration waterlogging caused by excessive rainfall machine 20 enables the fresh tea leaf and moves to low position along the orifice plate 203 of slope to enable the apparent water droplet in the fresh tea leaf surface of tea and the fresh tea leaf and carry out physical separation, the setting of cooperation blast structure 202 can accelerate the separation of the fresh tea leaf and water, and promote the fresh tea leaf and carry forward, has improved the dehydration efficiency and the conveying speed of the fresh tea leaf.

As shown in fig. 6 and 7, the belt type water removing device 30 is used for performing a secondary water removing process on fresh tea leaves, and includes at least one water removing mechanism 301 and a moisture exhausting fan 302, wherein: a conveying net belt 303 for placing cleaned fresh tea leaves is arranged in the water removing mechanism 301, the water removing mechanism 301 is provided with an air inlet 304 and an air outlet 305, and natural wind passing through the air inlet 304 can penetrate through the conveying net belt 303 and is discharged from the air outlet 305; the moisture exhausting fan 302 is connected to the air outlet 305.

Specifically, the belt type dewatering device 30 has a plurality of dewatering mechanisms 301 arranged side by side, and the natural wind introduced into each dewatering mechanism 301 can circulate independently, that is, each dewatering mechanism 301 has an air inlet 304 and an air outlet 305, the air inlet 304 is arranged at the lower part of the dewatering mechanism 301, and the air outlet 305 is arranged at the top part of the dewatering mechanism 301. The air outlets 305 of the plurality of water removing mechanisms 301 may be connected to the dehumidifying fan 302 through a communication pipe 307.

The conveyer belt 303 in the dewatering mechanism 301 is provided with a plurality of layers, for example, the conveyer belt 303 can be driven and conveyed by a plurality of driving mechanisms 306 at both sides of the belt dewatering device 30, the conveyer belt 303 at each layer can be driven by one driving mechanism 306, and fresh tea leaves primarily dewatered by the vibratory dewatering machine 20 are laid on the conveyer belt 303 at each layer. In this embodiment, the temperature of the low temperature air introduced into the air inlets 304 of the respective water removal mechanisms 301 is less than 40 ℃.

The low-temperature air is blown into the dewatering mechanisms 301 through air inlets 304 of the dewatering mechanisms 301, the low-temperature air passes through the fresh tea leaves paved on the conveying mesh belt 303 from bottom to top and takes away moisture on the fresh tea leaves, the conveying mesh belt 303 moves slowly, and the running speed of the conveying mesh belt can be controlled and adjusted according to the thickness or the humidity of the paved fresh tea leaves. The dewatered fresh tea leaves continuously fall into the next production procedure.

The belt type dewatering equipment 30 can make low-temperature air uniformly pass through the material layer with water under the action of certain air pressure, take away the water on the surface of the fresh tea leaves, and achieve the purposes of low air temperature, no physical damage and energy-saving dewatering.

The above are only a few embodiments of the present invention, and those skilled in the art can make various changes or modifications to the embodiments of the present invention according to the disclosure of the application document without departing from the spirit and scope of the present invention.

Claims (21)

1. A tea leaf water washing production line is characterized by comprising tea leaf cleaning equipment, a vibration draining machine for performing primary dehydration treatment on fresh tea leaves and a belt type water removing equipment for performing secondary dehydration treatment on the fresh tea leaves which are sequentially connected, wherein,

the tea leaf cleaning device comprises:

the cleaning mechanism is provided with a cleaning water tank and a plurality of exhaust pipes arranged in the cleaning water tank, and an ultrasonic generator is connected to the outer wall of the cleaning water tank;

the conveying mechanism is provided with a first conveying belt and a second conveying belt which are connected, the first conveying belt is positioned in the cleaning water tank and extends along the length direction of the cleaning water tank, and the second conveying belt extends out of the discharging end part of the cleaning water tank and is positioned above the cleaning water tank in an inclined mode;

and the spraying mechanism is positioned above the second conveyor belt and is provided with a plurality of first spraying heads facing the second conveyor belt.

2. The tea leaf washing line of claim 1, wherein a plurality of exhaust pipes are arranged at intervals along the length direction of the washing water tank and at the bottom of the washing water tank, and a plurality of exhaust holes are arranged at intervals on each exhaust pipe.

3. The tea washing line according to claim 1 or 2, wherein each of the exhaust pipes is connectable to a bubbler; alternatively, each of the exhaust pipes can be connected to an ozone generator.

4. The tea washing line of claim 3, wherein an ozone recovery pipeline is connected to the upper part of the washing water tank.

5. The tea leaf water washing production line as claimed in claim 1, wherein a driving wheel is connected to an end of the first conveyor belt, a driven wheel is connected to an end of the second conveyor belt, the first conveyor belt and the second conveyor belt can be synchronously driven by the driving wheel and the driven wheel, and the first conveyor belt is connected with the second conveyor belt through a climbing conveyor belt.

6. The tea washing line of claim 5, wherein said first conveyor has a first upper conveyor above said drive wheel and a first lower conveyor below said drive wheel, and wherein a plurality of said exhaust ducts are located between said first upper conveyor and said first lower conveyor; the second conveyor belt is provided with a second upper conveyor belt positioned above the driven wheel and a second lower conveyor belt positioned below the driven wheel, and the plurality of first spray headers are positioned above the second upper conveyor belt.

7. The tea washing line of claim 6, wherein the spray mechanism further comprises a second plurality of spray headers, the second plurality of spray headers positioned between the second upper conveyor and the second lower conveyor; the plurality of second spray headers and the plurality of first spray headers are arranged oppositely up and down, or the plurality of second spray headers and the plurality of first spray headers are arranged in a staggered manner up and down.

8. The tea leaf water washing production line as claimed in claim 1, wherein the tea leaf washing device further comprises an air knife mechanism, the air knife mechanism is provided with a plurality of air knife spray heads located above the second conveyor belt, and the first spray heads and the air knife spray heads are arranged in sequence along the conveying direction of the second conveyor belt.

9. The tea washing line of claim 8, wherein each of the air knife sprayers has a plurality of air nozzles arranged side by side in the conveying direction of the second conveyor belt, each of the air nozzles extending in the width direction of the second conveyor belt.

10. The tea washing line of claim 9, wherein the longitudinal cross-sectional shape of the air jet is duckbill.

11. The tea washing line of claim 8, wherein the air knife mechanism further comprises a blowing nozzle provided at the conveying end of the second conveyor belt, the blowing nozzle having a blowing flat mouth extending in the width direction of the second conveyor belt.

12. The tea leaf washing production line of claim 11, wherein the blowing nozzle has a first body and a second body which are connected in series along a blowing direction, the inner diameter of the first body is tapered along the blowing direction, and the end of the second body forms the blowing flat.

13. The tea leaf water washing production line as claimed in claim 1, wherein a deposit collection groove is arranged in the washing water tank, the deposit collection groove is positioned at the feeding end part of the washing water tank and is arranged opposite to the feeding port of the washing water tank, and the deposit collection groove is arranged side by side with the first conveyor belt.

14. The tea washing line of claim 1 or 13, wherein a plurality of water spray pipes are arranged at the upper part of the washing water tank, the plurality of water spray pipes are arranged at intervals from the feeding end part of the washing water tank to the discharging end part of the washing water tank, and each water spray pipe is provided with a plurality of water spray heads along the width direction of the washing water tank.

15. The tea leaf water washing production line as claimed in claim 1, wherein a return plate is arranged below the second conveyor belt, and the return plate is connected with a discharge end part of the washing water tank.

16. The tea leaf water washing production line of claim 1 or 15, wherein a washing filter disc is arranged below the second conveyor belt, and the washing filter disc is positioned below the first spray headers.

17. The tea leaf water washing production line as claimed in claim 1, wherein the tea leaf washing apparatus further has a circulation water tank connected to the washing water tank through a circulation line, and a filter screen is provided in the circulation water tank.

18. The tea washing line of claim 1, wherein the vibratory drainer comprises:

the frame is connected with a sieve plate in a vibrating way;

and the blowing structure is arranged above the sieve plate, and a blowing opening of the blowing structure faces the sieve plate in an inclined manner.

19. The tea washing line of claim 18, wherein an elastic member is attached to the top of the frame, and the mesh plate is attached to the elastic member; the lower part of the sieve plate is connected with a water collecting plate, and the bottom of the water collecting plate is connected with a vibrating motor.

20. The tea leaf water washing line of claim 1, wherein the belt water removal apparatus comprises:

the water removing mechanism is internally provided with a conveying net belt for placing cleaned fresh tea leaves, and is provided with an air inlet and an air outlet, and natural wind passing through the air inlet can penetrate through the conveying net belt and is discharged from the air outlet;

and the moisture exhausting fan is connected with the air outlet.

21. The tea leaf water washing production line as claimed in claim 20, wherein low temperature air is introduced into an air inlet of the water removal mechanism, and the temperature of the low temperature air is less than 40 ℃.

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