Background technology
Tea Processing comprises that kinds of processes, every kind of processing technology comprise the multiple tracks complicated step again, and it is necessary and be crucial one procedure in most of Tea Processing technologies wherein completing.After tea green-keeping is accomplished, need cooling rapidly,, influence the color and the taste of tealeaves, so the cooling behind the tea green-keeping is Tea Processing, the important process process that especially high-grade famous-brand and high-quality tea is processed to prevent the vexed yellow fermentation of tealeaves.
Cooling behind the existing tea green-keeping mainly is to adopt the blowing of steel wire net rack bottom that tealeaves is carried out spreading for cooling.Concrete, the steel wire bottom is provided with fan, will complete back high temperature tealeaves spreading for cooling on steel wire, and it is air-cooled with fan it to be carried out normal temperature, because temperature is too high, the local gas permeability of tealeaves is bad and the vexed Huang of tealeaves is vexed smelly, influences quality of tea leaves to prevent.But its cooling velocity is seriously influenced by ambient temperature, and cooling effect is not obvious, and local spreading for cooling is inhomogeneous and cooling air is big or small inhomogeneous, so that the Tea Processing difficult quality guarantee; Simultaneously, the occupied ground area is big, and all is through artificial spreading for cooling, collection and upset, can't raise the efficiency.
In order to overcome the problems referred to above; The patent No. is that the utility model patent of 200820121654.X has proposed a kind of back air-conditioning cooling conveying device that completes; Include frame, be arranged on the conveyer belt on the frame, the below of conveyer belt is provided with the air-conditioning cold air cavity, and the corresponding conveyer belt of air-conditioning cold air cavity position is provided with air vent; Air-conditioning is installed on the frame, and the cold air delivery outlet of air-conditioning is communicated with the air-conditioning cold air cavity.Back air-conditioning cooling conveying device is the open type cooling but this completes, so cooling effect is poor, and power consumption is big.
The utility model content
The utility model technical problem to be solved provides a kind of good cooling results, and energy consumption little be used for the cooler behind the tea green-keeping.
The utility model solves the technical scheme that its technical problem adopted: be used for the cooler behind the tea green-keeping; Comprise conveyer belt, air-conditioning; Said conveyer belt comprises forward part and reverse part; Said air-conditioning adopts the industrial cold wind unit that is made up of blower fan and refrigeration unit; Be provided with the conveyer belt cover that extends to destination terminal by the conveyer belt initiating terminal, partly surround by the forward of conveyer belt cover and conveyer belt and constitute cooling chamber, be provided with blast pipe that an end is communicated with fan outlet, an end is communicated with cooling chamber and the backwind tube that an end is communicated with air inlet, an end is communicated with cooling chamber.
Further; Be provided with the air interchanger that air in the cooling chamber and extraneous air are exchanged, said air interchanger comprise be communicated with cooling chamber and with air row in the cooling chamber to the exhaust apparatus of outside and the air compensation device that extraneous air is replenished in cooling chamber that is complementary with exhaust apparatus.
Further, be provided with the long-pending discharge structure that conveyer belt cover inner surface condensed water is collected and got rid of in the said cooling chamber.
Further; Below the forward of said conveyer belt part, be provided with by the conveyer belt initiating terminal extend to destination terminal air-inlet cavity; Said air-inlet cavity is gone into battle and is shown one group of exhaust vent towards the forward bottom surface partly of conveyer belt, and said conveyer belt adopts gas permeable material to process; Said backwind tube is communicated with the top of cooling chamber.As preferably, said conveyer belt adopts Teflon tape or stainless steel guipure to process.
Further, the position that is connected with air-inlet cavity of said blast pipe, the position that backwind tube is connected with cooling chamber all are positioned at the head with the adjacent conveyer belt cover of the initiating terminal of conveyer belt.Further, the surface tilt setting of the forward of the relative conveyer belt of end face of the head of said conveyer belt cover part; And along the direction of transfer of conveyer belt, the spacing between the end face of said head and the forward of the conveyer belt part progressively reduces.Further; Said conveyer belt capouch portion part in addition is an afterbody; The relative horizontal plane of the end face of the afterbody of said conveyer belt cover is obliquely installed; In the end face lowest part of the afterbody of said conveyer belt cover is provided with by cooling chamber, extend to the tank outside the cooling chamber, constitute the long-pending discharge structure that conveyer belt cover inner surface condensed water is collected and got rid of by tank.Further; Be provided with the air interchanger that air in the cooling chamber and extraneous air are exchanged, said air interchanger comprise be communicated with cooling chamber and with air row in the cooling chamber to the exhaust apparatus of outside and the air compensation device that extraneous air is replenished in cooling chamber that is complementary with exhaust apparatus; The end face array of said conveyer belt cover has air-vent, and said air compensation device comprises the corresponding part air-vent of end face of the head of conveyer belt cover, and said exhaust apparatus comprises the air-vent of remainder.
Further, said air compensation device comprises the venetian blind type air inlet air port that is arranged on the backwind tube.
The beneficial effect of the utility model is: the industrial cold wind unit that is made up of blower fan and refrigeration unit can guarantee enough air outputs, to guarantee cooling effect.The conveyer belt cover is set, between the forward part of conveyer belt cover and conveyer belt, forms cooling chamber, thereby form a kind of semienclosed cooling, avoid cold air to leak, thereby cut down the consumption of energy.Except that blast pipe is set, also be provided with backwind tube, form the interior circulation of cold air through backwind tube, thereby can further cut down the consumption of energy; Simultaneously, in passing through backwind tube extraction cooling chamber, in the cold air, also extracted the moisture in the cooling chamber out, played the effect of dehumidifying, guaranteed the drying in the cooling chamber, avoided the influence of the interior humidity increase of cooling chamber tea leaf quality.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Like Fig. 1, Fig. 2, shown in Figure 3; The utility model be used for the cooler behind the tea green-keeping;Comprise conveyer belt 1, air-conditioning; Saidconveyer belt 1 comprisesforward part 11 andreverse part 12, and said air-conditioning adopts the industrial cold wind unit that is made up ofblower fan 2 andrefrigeration unit 3, is provided with theconveyer belt cover 4 that is extended to destination terminal byconveyer belt 1 initiating terminal; Surround by theforward part 11 ofconveyer belt cover 4 andconveyer belt 1 and to constitute cooling chamber, be provided with an end andblower fan 2 air outlets are communicated with, an end is communicated with coolingchamber blast pipe 5 and an end andblower fan 2 air inlets are communicated with, an end is communicated with coolingchamber backwind tube 6.
Theforward part 11 of above-mentionedconveyer belt 1 isconveyer belt 1 along the direction of transfer operation, plays the part of transmission effect, and thereverse part 12 of above-mentionedconveyer belt 1 isconveyer belt 1 edge and the part of the operation of direction of transfer rightabout, backhaul.
The industrial cold wind unit that is made up ofblower fan 2 andrefrigeration unit 3 can guarantee enough air outputs, to guarantee cooling effect.Conveyerbelt cover 4 is set, between theforward part 11 ofconveyer belt cover 4 andconveyer belt 1, forms cooling chamber, thereby form a kind of semienclosed cooling, avoid cold air to leak, thereby cut down the consumption of energy.Except thatblast pipe 5 is set, also be provided withbackwind tube 6, form the interior circulation of cold air throughbackwind tube 6, thereby can further cut down the consumption of energy; Simultaneously, in passing throughbackwind tube 6 extraction cooling chambers, in the cold air, also extracted the moisture in the cooling chamber out, played the effect of dehumidifying, guaranteed the drying in the cooling chamber, avoided the influence of the interior humidity increase of cooling chamber tea leaf quality.
For the tealeaves that folder is hung on theconveyer belt 1 is swept into discharge bucket, be provided with clearing apparatus atconveyer belt 1 destination terminal, in instance as shown in the figure, clearing apparatus is a brush pot, does not look out among the figure.Feed end at said conveyer belt is provided with even distributor, control charging thickness and charging uniformity, so that obtain good cooling effect, in instance as shown in the figure, even distributor is the scraper plate of a rotation, does not look out among the figure.
Further; Below theforward part 11 of saidconveyer belt 1, be provided with byconveyer belt 1 initiating terminal extend to destination terminal air-inlet cavity 7; Said air-inlet cavity 7 is gone into battle and is shown one group of exhaust vent towards the bottom surface of theforward part 11 ofconveyer belt 1, and saidconveyer belt 1 adopts gas permeable material to process; Saidbackwind tube 6 is communicated with the top of cooling chamber.Cold air blows out through exhaust vent, the conveyer belt of processing via gaspermeable material 1 with complete after tealeaves carry out heat exchange, when effectively guaranteeing cooling effect, can avoid tealeaves in cooling chamber, to fly away everywhere.Air intake down, air-out is last; The free convection of sinking with hot-air come-up, cold air adapts; Thereby obtain to have guaranteed the direction of air-flow and the uniformity of heat exchange, avoided turbulent generation, avoided directly being taken away bybackwind tube 6 without cold air and the tealeaves of crossing heat exchange.Concrete, in instance as shown in the figure, saidconveyer belt 1 adopts the stainless steel guipure to process, and self promptly possesses certain cooling effect the stainless steel guipure, and can effectively guarantee the sanitary condition of Tea Production.In addition,conveyer belt 1 also can adopt the material of other good permeabilities such as Teflon to process.
Because the temperature ofconveyer belt 1 initiating terminal tealeaves is the highest, destination terminal tealeaves temperature is minimum; Therefore further, the position that the position that saidblast pipe 5 is connected with air-inlet cavity 7,backwind tube 6 are connected with cooling chamber all is positioned at thehead 41 with the adjacentconveyer belt cover 4 of the initiating terminal of conveyer belt 1.Therefore progressively reduce by the air conditioning quantity that exhaust vent blows out along direction of transfer, adapt with Temperature Distribution along direction of transfer tealeaves; The position thatbackwind tube 6 is connected with cooling chamber is adjacent with the initiating terminal ofconveyer belt 1; Can effectively guarantee the throughput of the initiating terminal ofconveyer belt 1; Thereby guarantee the rapid reduction of tealeaves temperature, guarantee tea leaf quality, and discharge rapidly by the air after the tealeaves heating; Thereby the temperature in the cooling chamber is guaranteed in certain level, guarantee whole cooling effect.
Adapt the surface tilt setting of theforward part 11 of therelative conveyer belt 1 of end face of thehead 41 of saidconveyer belt cover 4 with the setting of above-mentionedblast pipe 5,backwind tube 6; And along the direction of transfer ofconveyer belt 1, the spacing between theforward part 11 of the end face of saidhead 41 andconveyer belt 1 progressively reduces.The surface tilt setting of theforward part 11 of therelative conveyer belt 1 of the end face ofhead 41;Backwind tube 6 is arranged onconveyer belt 1 initiating terminal; Therefore can strengthen the distance betweenbackwind tube 6 and theconveyer belt 1, the turbulent flow that forms when avoidingbackwind tube 6 return air avoids tealeaves to be taken away to the influence of cooling; The cooling chamber that section progressively reduces is complementary with the steam windage of tealeaves self.
Because high humidity in the cooling chamber; Inner surface atconveyer belt cover 4 forms condensed water easily; Therefore drop on the tealeaves on theconveyer belt 1 for fear of condensing drip, be provided with the long-pending discharge structure thatconveyer belt cover 4 inner surface condensed waters are collected and got rid of in the said cooling chamber.Adapt with the setting of above-mentionedblast pipe 5,backwind tube 6; Gas in the corresponding cooling chamber of initiating terminal can in time be extracted out; Condensed water forms atconveyer belt cover 4 inner surfaces adjacent with destination terminal easily; Therefore further, the part beyond saidconveyer belt cover 4heads 41 is anafterbody 42, and the relative horizontal plane of end face of theafterbody 42 of saidconveyer belt cover 4 is obliquely installed; In the end face lowest part of theafterbody 42 of saidconveyer belt cover 4 is provided with by cooling chamber, extend to the tank outside the cooling chamber, constitute the long-pending discharge structure thatconveyer belt cover 4 inner surface condensed waters are collected and got rid of by tank.Except that said structure, long-pending discharge structure also can adopt various structure according to the difference ofconveyer belt cover 4 structures, as: at water-accepting board that one group of inclination that is parallel to each other is set belowconveyer belt cover 4 end faces and between theconveyer belt 1 etc.
In instance as shown in the figure,conveyer belt cover 4 is made up ofhead 41, afterbody 42, and whereinhead 41 is trapezoidal, afterbody 42 is rectangular; Install for ease, saidbackwind tube 6 is communicated with the side that an end is installed inconveyer belt cover 4heads 41 with cooling chamber.In addition,backwind tube 6 also can be installed in the end face ofconveyer belt cover 4heads 41.
For fear of carrying out with production; Gas in the cooling chamber causes the water content cumulative rises owing to discharging; Be provided with the air interchanger that air in the cooling chamber and extraneous air are exchanged, said air interchanger comprise be communicated with cooling chamber and with air row in the cooling chamber to the exhaust apparatus of outside and the air compensation device that extraneous air is replenished in cooling chamber that is complementary with exhaust apparatus.Adapt with above-mentionedconveyer belt cover 4 structures; For simplified structure; The end face array of saidconveyer belt cover 4 has air-vent 43, and said air compensation device comprises the corresponding part air-vent 43 of end face of thehead 4 ofconveyer belt cover 4, and said exhaust apparatus comprises the air-vent 43 of remainder.Owing to adopt the intake and exhaust of passive type, therefore in order to guarantee that exhaust just needs to guarantee to possess certain blast in the cooling chamber, therefore further, air-vent 43 density that constitute air compensation device are greater than air-vent 43 density that constitute exhaust apparatus.Simultaneously, in order further to guarantee ventilation, said air compensation device comprises the venetian blind type air inlet air port that is arranged on thebackwind tube 6; Through the unlatching in venetian blind type air inlet air port, reduce the return air amount ofbackwind tube 6, and then reduce the humidity of air inlet; Increase blast in the cooling chamber simultaneously, increase capacity.