CN105651006A - Multifunctional environment-friendly energy-saving vacuum belt drier set and powder drying method thereof - Google Patents

Multifunctional environment-friendly energy-saving vacuum belt drier set and powder drying method thereof Download PDF

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CN105651006A
CN105651006A CN201410628905.3A CN201410628905A CN105651006A CN 105651006 A CN105651006 A CN 105651006A CN 201410628905 A CN201410628905 A CN 201410628905A CN 105651006 A CN105651006 A CN 105651006A
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vacuum
tank
main body
material
connected
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CN201410628905.3A
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CN105651006B (en
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陆文光
顾晓峰
刘伟男
赵厚林
臧德耿
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陆文光
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Abstract

The invention relates to a multifunctional environment-friendly energy-saving vacuum belt drier set and a powder drying method adopting the drier set. The drier set comprises a vacuum belt drier which comprises a sealed main tank body arranged transversely. The vacuum belt drier set is characterized in that a feeding inlet in the front end of the main tank body is connected with a discharging outlet in the bottom of a granulator through a first sealing valve; a feeding inlet in the top of the granulator is connected with a discharging outlet in the bottom of a vacuum feeding tank through a second sealing valve; a pulverizer, a third sealing valve and an intermediate discharging bin are connected to a discharging outlet in the back end of the main tank body in sequence; a vacuumizing system and a solvent recovery system are connected to an exhaust outlet of the main tank body; a microwave heater used for drying materials on a distributor and close to the front end of a conveying belt is arranged close to the feeding inlet of the main tank body and above the distributor; a steam heater, a hot water heater and a cooler which are distributed parallel to the conveying belt are arranged on the inner side of the conveying belt in the front-back direction in sequence.

Description

多功能、环保节能型真空带式干燥机组及其粉料干燥方法 Versatile, environmentally friendly energy vacuum belt drying unit, and powder drying method

技术领域 FIELD

[0001] 本发明涉及干燥设备及湿粉料干燥的领域,尤其涉及一种多功能、环保节能型真空带式干燥机组及应用该机组的粉料干燥方法,尤其是用于含有低熔点溶剂、固体状的湿粉料的干燥。 [0001] The present invention relates to drying apparatus and drying the wet powder, and more particularly relates to a versatile, environmentally friendly energy vacuum belt drying unit and the application unit of the powder drying method, particularly for low melting point solvent, drying the wet powder solid.

背景技术 Background technique

[0002] 现有的对于粉体的干燥设备,存在一定安全隐患;理由是干燥过程中,空气中的粉体浓度达到一定比例,就易遇明火而发生爆炸。 [0002] Existing apparatus for drying powder, there is a certain safety hazard; the reason is that the drying process, the powder concentration in air reaches a certain percentage, it is easy in case of fire and explosion. 因此如何在对粉体干燥过程,减少或避免粉尘的产生,进而确保生产安全,是本领域要解决的技术难题。 So how in the powder drying process, reduce or avoid dust generation, thus ensuring production safety, is the art to solve technical problems.

发明内容 SUMMARY

[0003] 本发明要解决的技术问题是提供一种真空带式干燥机组及应用该机组的粉料干燥方法,以解决粉体干燥过程安全性的技术问题。 [0003] The present invention is to solve the technical problem of providing a vacuum belt drying unit and the drying method of powder application of the unit, in order to solve the technical problem of security powder drying process.

[0004] 为了解决上述技术问题,本发明提供了一种真空带式干燥机组,包括:真空带式干燥机,真空带式干燥机包括横向分布且密闭的主罐体,该主罐体前端的入料口经第一密封阀与一制粒机的底部出料口相连,制粒机的顶部入料口经第二密封阀与一真空上料罐的底部出料口相连;所述主罐体后端的出料口上依次连接有粉碎机、第三密封阀、出料中间仓;所述主罐体的排气口上连接有抽真空及溶剂回收系统。 [0004] To solve the above problems, the present invention provides a vacuum belt drying unit, comprising: a vacuum belt dryer, a vacuum belt dryer includes a transverse distribution of the main body and closed, the front end of the main body bottom feed port through the first sealing valve and a discharge port of the granulator is connected to the top of the granulator through the feeding inlet valve and a second sealing vacuum bottoms feed tank connected to the outlet; said main tank sequentially connecting the discharge port of the rear end with a shredder, a third sealing valve, the intermediate feed bin; vacuum is connected and a solvent recovery system on the exhaust port of the main body. 其中,主罐体的出料口上连接粉碎机,使得粉碎机可在真空状态下实施粉碎,使得从粉碎机输出的产品可直接进行包装,避免了二次污染、吸湿,确保了产品的干燥度,且不需要二次加工,简化了生产工序。 Wherein the discharge port connected to the main body of the grinder, so that the grinding mill can be carried out in a vacuum, so that the output from the shredder products can be directly packaged, avoid secondary pollution, moisture, to ensure the drying of the product , and does not require secondary processing, simplifying the production process.

[0005] 所述主罐体内且于所述入料口下方设有布料器,该布料器的出料端下方设有前后方向分布的、用于将从所述主罐体入料口进入的物料送至主罐体出料口的传送带。 [0005] The main body and the tank to the discharge opening is provided below the hopper, the discharge end of the hopper is provided below the front-rear direction of the distribution, from the main body for feeding into the mouth material to the main body of the spout conveyor. 布料器包括一工作时前后振动且向后下方倾斜的簸箕体。 It includes front and rear hopper vibration during operation and is inclined rearwardly downward dustpan body. 簸箕体用于使物料粒体铺开,使其厚度均匀分布,同时使落于传送带上的物料厚度均匀分布,利于干燥充分。 Dustpan body for mitochondrial material spread, so that uniform thickness, while the thickness of the material lands on the conveyor belt a uniform distribution for enhanced sufficiently dried. 进一步优选的方案是,传送带采用链传动,以解决传统的传送带采用辊传动导致网带走偏的问题,从根本上解决了网带纠偏的问题。 Further preferred embodiment, the belts of the chain drive, in order to solve the traditional belts of the roller transmission network causes problems biased away, solves the problem of correcting the mesh belt fundamentally.

[0006] 作为干燥部件的优选,邻近所述主罐体的入料口且于所述布料器上方设有用于对布料器上的以及邻近传送带前端部上的物料进行干燥的微波加热器,所述传送带的内侧前后方向依次设有与传送带平行分布的蒸汽加热器、热水加热器和冷却器。 [0006] As a preferred drying member, adjacent the main body and feeding inlet is provided above the hopper for the material, and on the distributor adjacent the distal end portion of the belt a microwave heater for drying, the said inner longitudinal direction of the belt sequentially includes a steam heater, a hot water heater and a cooler running parallel with the conveyor belt. 微波加热器用于以微波方式进行第一次加热,使水分从物料粒体中由内及外地蒸发、气化,然后采用蒸汽加热器、热水加热器分别进行第二、加热和保温,使物料粒体表面的水分蒸发、气化,进而使水分从物料粒体中由内及外的挥发,实现充分干燥;最后,物料经冷却器冷却,冷却可使物料颗粒酥化,方便后续粉碎;同时冷却的物料不易吸湿,确保最终产品的干燥度。 Microwave applicator for performing a first embodiment microwave heating, evaporate moisture from the material inside the mitochondria and in the field, vaporized, and then using the steam heater, respectively, a second hot water heater, heating and holding the material grain moisture evaporation surface, gasification, and thus moisture from the material and by the mitochondria in volatile, to achieve sufficient drying; Finally, the material is cooled by the cooler, the cooling can crisp material particles, to facilitate the subsequent pulverization; while cooling the material is not easy to moisture absorption, ensure that the drying of the final product. 蒸汽加热器的温度根据物料特性、物料中所含溶剂的沸点等因素决定,通过控制蒸汽温度、主罐体内的真空度、传送带上的物料厚度和传送带的速度,来实现干燥要求。 Temperature of the steam heater according to the material properties, the material contained in the solvent boiling point and other factors determined by controlling the steam temperature, the degree of vacuum within the main tank, the velocity of the material and the thickness of the conveyor belt on the conveyor belt to achieve drying requirements.

[0007] 所述蒸汽加热器、热水加热器和冷却器优选板式换热器(体积小、效率高),也可选用蛇形平面排列的换热管。 [0007] The steam heater, hot water heater and the cooler is preferably a plate heat exchanger (small volume, high efficiency), can also be used in the serpentine heat exchange tubes arranged in a plane.

[0008] 所述抽真空及溶剂回收系统包括:与所述主罐体的排气口相连的冷凝冷却器、与该冷凝冷却器的排气口相连的罗茨水环真空泵;冷凝冷却器的主罐体中邻近所述排气口处设有挡液器;所述主罐体中于该挡液器的前后侧分别设有与一回收溶剂罐相连的排液口。 [0008] The vacuum and a solvent recovery system comprising: a condensing cooler of the exhaust port connected to the main body, Roots water ring connected to an exhaust port of the vacuum condensate cooler; Condenser the main body adjacent the stopper is provided at a liquid discharge port; said stopper to the main body in front and rear sides of the liquid are provided with a fluid outlet connected to the tank to recover the solvent.

[0009] 所述真空上料罐的顶部排气口通过排气管与所述真空带式干燥机的主罐体相连,该真空上料罐上连接有进料管和放空管;排气管、进料管和放空管上分别设有第四密封阀。 [0009] The vacuum feeder tank through the main tank top vent exhaust tube and the vacuum belt dryer is connected to the feed pipe is connected to vacuum and venting tube buckets; exhaust pipe, feed tube and vent tube are provided with a fourth sealing valve. 所述真空上料罐内且于与所述排气管和放空管的接口相对处设有滤网(优选烧结网,可避免掉屑现象),用于防止真空上料罐内的风尘、杂质通过所述排气管和放空管排出;当放空管上的放空阀空气实施放空下料时,外界气流通过放空管直接喷吹、清洁滤网,不需要另设滤网清洁系统,净化了设备结构。 The vacuum tank feeding the filter and is provided with an interface to the exhaust pipe and the vent pipe opposite the (preferably sintered mesh, to avoid the phenomenon of crumbs), for preventing dust vacuum feeder tank, impurities and venting pipe via the exhaust gas discharge tube; when the air vent valve on the vent tube cutting emptying embodiment, outside airflow pipe direct injection by venting, clean the filter, the filter does not require a separate cleaning system , clean the device structure.

[0010] 所述真空带式干燥机的主罐体上设有安全阀、视镜、灭菌消毒气体输入口、用于向主罐体内喷水以清洗主罐体内壁的净水喷水接头;且主罐体的底部设有排污口,该排污口上设有阀门。 [0010] provided with a safety, mirrors, sterilization gas inlet on a main body of the vacuum belt dryer, a water purifier to wash the inner wall of the main body of the water tank to the main body of the joint ; and bottom of the main body is provided with a discharge port provided with a valve on the outfall.

[0011] 所述挡液器包括:固定于所述塔体中的气流路径上的多片平行相间设置的波形板,各波形板的两侧面上相间分布有多个挡条,挡条的断面呈钩状,挡条的凹面与进入相邻波形板之间的气流方向相对,用于使气流产生气旋,进而延长气流的停留时间,使其与波形板充分接触换热,提高冷凝效果;挡条的高度小于相邻波形板的间隙,防止堵塞气流。 [0011] The liquid stopper comprises: a corrugated plate on the plurality of parallel sheet is fixed to the airflow path column body of spaced apart, both surfaces of the corrugated plates alternating with a plurality of crosspieces, the crosspiece section hooked crosspiece direction of gas flow entering the concave surface between adjacent corrugated plates opposing, for generating cyclone airflow, thereby extending the residence time of the gas flow, the heat exchanger sufficiently in contact with the corrugated sheet, to improve the condensation effect; stop Article height smaller than the gap adjacent corrugated plate, to prevent clogging of the gas flow.

[0012] 为了增加产生气旋的数量、频次和密度,并生成大气旋和小气旋,所述挡条包括依次相间设置的大挡条和小挡条,大挡条设于邻近所述波形板的圆弧顶部,小挡条设于相邻的一对大挡条之间。 [0012] To increase the number of cyclones generated, frequency and density, and generates the large and small cyclones cyclones, the crosspiece comprises a large spaced crosspieces arranged successively and crosspiece small, large disposed adjacent to the crosspiece corrugated plate the top of the arc, a small crosspiece is provided between a pair of adjacent large crosspiece. 大挡条和小挡条分别生成大、小气旋,且生成的大、小气旋相邻,可提高气旋的密度,进而进一步提高冷凝效果。 Large and small crosspiece crosspiece generate large and small cyclones, and the resulting large, the adjacent small cyclones, the cyclone can increase the density, thereby further enhancing the condensing effect.

[0013] 上述真空带式干燥机组的粉料干燥方法,其包括,将待干燥粉体采用真空输送方式送入真空上料罐,然后送入制粒机制成直径在3-20mm的物料粒体,然后经真空带式干燥机干燥后,经粉碎机粉碎而获得经干燥的粉体;其中,邻近真空带式干燥机的主罐体中的传送带前端部上方设有用于对物料进行干燥的微波加热器,所述传送带的内侧前后方向依次设有与传送带平行分布的蒸汽加热器、热水加热器和冷却器;采用微波加热器,以微波方式进行第一次加热,使水分从物料粒体中由内及外地蒸发、气化,然后采用蒸汽加热器、热水加热器分别进行第二次加热和保温,使物料粒体表面的水分蒸发、气化;最后,物料经冷却器冷却,以使物料颗粒酥化、脆化,利于粉碎。 [0013] The method of the above-described powder was dried under vacuum belt drying unit, which comprises, using the dry powder to be fed into the feed tank vacuum transfer mode vacuum, and then pelletized into a diameter of 3-20mm material in granular bodies then vacuum dried with a dryer, the dried pulverized by a pulverizer to obtain a powder; wherein the distal end portion of the belt adjacent the upper vacuum belt dryer main body is provided with the material for microwave drying the heater, the conveyor belt longitudinal direction are sequentially provided inside a steam heater, hot water heater and a cooler running parallel with the conveyor belt; microwave heaters, microwave heating manner for the first time, the moisture from the material globules evaporated from the inside and outside, vaporized, and then using the steam heater, hot water heater and each second heating insulation, moisture evaporation surface of the material particles, the gasification; and finally, the material is cooled by the cooler, to the material particles crisp, brittle, which will help smash. 若不经过冷却,物料温度较高且物料粒体整体较软,不易粉碎。 If the cooled, high temperature material and the softer material globules whole, less susceptible to pulverization.

[0014] 上述粉料干燥方法,还包括,在罗茨水环真空泵的作用下,主罐体内热蒸汽进入冷凝冷却器;气流经过挡液器中的多片平行相间设置的波形板之间,并在各波形板的两侧面上的相间分布的多个端面呈钩状的挡条的作用下,气流产生气旋;气流中的溶剂经与波形板接触后冷凝,并从回收溶剂罐底部的排液口进入回收溶剂罐;所述主罐体内且于所述入料口下方设有工作时前后振动的布料器,该布料器的出料端下方设有传送带;布料器包括一工作时前后振动且向后下方倾斜的簸箕体。 [0014] The powder drying method further comprises, under the action of the Roots water ring vacuum pump, the main body enters the condensing heat steam cooler; wave plate between the liquid stream through the stopper plate in a plurality of spaced apart parallel, and the role of the crosspiece alternatively distributed on both sides of each of the plurality of corrugated plates hook-shaped end faces, the cyclone airflow is generated; the solvent was contacted with the gas stream is condensed wave plate, and the solvent recovered from the bottom discharge tank liquid inlet into the recovery solvent tank; the main body and the tank to the discharge opening is provided below the hopper before and after the vibration operation, the conveyor belt is provided beneath the discharge end of the filter cloth; when the hopper comprises a front working oscillation dustpan body and inclined rearwardly downward.

[0015] 上料时,在罗茨水环真空泵的作用下,主罐体内呈负压状态(以使水、有机溶剂的沸点较低,利于干燥),真空上料罐连接所述主罐体的管路上的控制阀开启,即可使真空上料罐上料,同时将真空上料罐的放空管上的放空阀关闭,然后将真空上料罐上的进料阀打开并上料;当进料量达预设值时,所述第一密封阀、进料阀和控制阀关闭,然后控制第二密封阀和放空阀打开,由于制粒机的内腔呈负压状态,真空上料罐内此时呈常压,真空上料罐中的物料被快速吸入制粒机并进行粒机(提供了落料效率,避免物料在真空上料罐内现成搭桥或挂壁现象,可确保物料完全落入制粒机),制粒完成后,依次关闭第二密封阀、开启第一密封阀,物料粒体落入布料器中。 [0015] When the material, under the action of the Roots water ring vacuum pump, a negative pressure state of the main tank body (so that the water, low-boiling organic solvents, conducive to drying), connected to the main feed tank to the vacuum tank pipeline control valve opening, to make the material feeding vacuum tank while the vent valve on the vacuum feed tank vent pipe is closed and the vacuum inlet valve is opened and the feeding buckets; when the feed capacity of predetermined value, said first sealing valve, inlet valve and the control valve is closed and the second control valve and the vent valve seal is opened, since the lumen of negative pressure state granulator, vacuum on at this time the material was a normal pressure tank, vacuum tank feed material is sucked fast granulator and granulator (provided blanking efficiency, avoid material feed tank wall hanging shelf or bypass phenomenon in vacuo, to ensure material fairly fall granulator), after completion of the granulation, sequentially closing the second valve seal, a first sealing valve opening, the material in the hopper fall into the mitochondria.

[0016] 本发明的有益效果是,(I)本发明的真空带式干燥机组,将待干燥粉体经制粒机制粒,经真空带式干燥机干燥后,经粉碎机粉碎而获得经干燥的粉体。 [0016] Advantageous effects of the present invention is, (the I) the vacuum belt drying unit according to the present invention, the dry powder to be granulated by a granulator, vacuum belt dryer dried, the obtained dried grinder powder. 粉体干燥不会产生粉尘,排出了因粉尘可能引起的安全事故,干燥过程安全性较高。 Powder drying does not produce dust, exhaust the possible accidents due to dust caused by the drying process of high security. (2)采用微波加热器,以微波方式进行第一次加热,使水分从物料粒体中由内及外地蒸发、气化,然后采用蒸汽加热器、热水加热器进行第二次加热和保温,使物料粒体表面的水分充分蒸发、气化,整个过程使水分从物料粒体中由内及外的挥发,实现充分干燥;最后,物料经冷却器冷却,冷却可使物料颗粒酥化,方便后续粉碎;同时冷却的物料不易吸湿,方便包装且不易在包装过程中吸湿,确保最终产品的干燥度。 (2) using a microwave heater, microwave heating manner for the first time, evaporate moisture from the material inside the mitochondria and in the field, vaporized, and then using the steam heater, hot water heater and a second heating insulation , the surface moisture of the material particles sufficiently evaporated, gasification, the whole process from the material moisture and volatiles from the mitochondria within the outer achieve full drying; Finally, the material is cooled by the cooler, the cooling can crisp material particles, facilitate subsequent comminution; while cooling the absorbent material is not easy, convenient and less absorbent package during the packaging process, to ensure that the drying of the final product. 微波加热的使用,相对于仅采用蒸汽加热器、热水加热器和冷却器的组合,物料干燥度可提升20-50%。 Using microwave heating, as opposed to only using a combination of a steam heater, hot water heater and a cooler, the material can improve the dryness of 20-50%.

附图说明 BRIEF DESCRIPTION

[0017] 下面结合附图和实施例对本发明进一步说明。 Figures and examples further illustrate the present invention [0017] The following binding.

[0018] 图1示出了真空带式干燥机组的原理框图; [0018] FIG. 1 shows a block diagram of the vacuum belt drying unit;

图2示出了真空带式干燥机的结构示意图; FIG 2 shows a schematic view of a vacuum belt dryer;

图3示出了真空上料组件的结构示意图; FIG. 3 shows a schematic configuration of the vacuum feed assembly;

图4示出了依次连接于所述主罐体后端的出料口上的粉碎机、第三密封阀、出料中间仓的结构示意图; FIG 4 shows a discharge opening on the mill sequentially connected to the rear end of the main body, the third sealing valve, a schematic structure of an intermediate discharge bin;

图5示出了所述抽真空及溶剂回收系统的结构示意图; FIG. 5 shows a schematic structure of the vacuum and the extraction solvent recovery system;

图6示出了所述挡液器中的一对相邻的波形板的结构示意图; Figure 6 shows a schematic structure of a pair of adjacent said stop plate wave in the liquid;

图7示出了所述挡液器的俯视图; FIG 7 illustrates a top view of the stop of the liquid;

图8示出了所述挡液器的A向视图。 Figure 8 shows the speed of the liquid A to view.

具体实施方式 Detailed ways

[0019] 现在结合附图对本发明作进一步详细的说明。 [0019] Now DRAWINGS The invention will be further described in detail. 这些附图均为简化的示意图,仅以示意方式说明本发明的基本结构,因此其仅显示与本发明有关的构成。 The drawings are simplified schematic way of illustration only schematically the basic structure of the present invention, therefore only the configuration of the display related to the present invention.

[0020] 实施例1 [0020] Example 1

真空带式干燥机组包括:真空带式干燥机,真空带式干燥机包括横向分布且密闭的主罐体1,该主罐体I前端的入料口经第一密封阀101与一制粒机2的底部出料口相连,制粒机2的顶部入料口经第二密封阀102与一真空上料罐3的底部出料口相连;所述主罐体I后端的出料口上依次连接有粉碎机4、第三密封阀103、出料中间仓105 ;所述主罐体I的顶部排气口上连接有抽真空及溶剂回收系统。 Vacuum belt drying machine comprising: a vacuum belt dryer, a vacuum belt dryer includes a transverse distribution of the main body 1 and sealed, the front end of the main body I feed port through the first valve seal 101 and a granulator the bottom of the discharge port 2 is connected to the top of the granulator feeding inlet 2 is connected via a second seal valve 102 and a vacuum on the bottom of the bucket of the discharge opening 3; sequentially connected to the discharge port of the rear end of the main body I there pulverizer 4, the third seal valve 103, an intermediate discharge bin 105; connected to a solvent recovery system and a vacuum vent on top of the main body I.

[0021 ] 所述主罐体I内且于所述入料口下方设有布料器7,该布料器7的出料端下方设有前后方向分布的、用于将从所述主罐体I的入料口进入的物料送至主罐体出料口的传送带100。 [0021] I and within the main body beneath the discharge opening in the hopper 7 is provided below the discharge end of the hopper 7 is provided with a front-rear direction of the distributions for the main body I from feeding inlet into the main body of the material to the discharge opening 100 of the conveyor. 布料器7包括一工作时前后振动且向后下方倾斜的簸箕体。 Hopper 7 comprises front and rear vibration during operation and is inclined rearwardly downward dustpan body. 簸箕体用于使物料粒体铺开,使其厚度均匀分布,同时使落于传送带上的物料厚度均匀分布,利于干燥充分。 Dustpan body for mitochondrial material spread, so that uniform thickness, while the thickness of the material lands on the conveyor belt a uniform distribution for enhanced sufficiently dried.

[0022] 邻近所述主罐体I的入料口且于所述布料器7上方设有用于对布料器7上的以及邻近传送带100的前端部上的物料进行干燥的微波加热器8,所述传送带100的内侧前后方向依次设有与传送带平行分布的蒸汽加热器11、热水加热器12和冷却器13。 [0022] adjacent to the feed inlet of the main body I and above the hopper 7 for the material and is provided on the distal end portion adjacent to the hopper 7 for drying the conveyor belt 100 of a microwave heater 8, the said inner longitudinal direction of the conveyor belt 100 are sequentially provided a conveyor belt running parallel with the steam heater 11, the hot water heater 12 and cooler 13. 微波加热器8用于以微波方式进行第一次加热,使水分从物料粒体中由内及外地蒸发、气化,然后采用蒸汽加热器11、热水加热器12分别进行第二加热和保温,使物料粒体表面的水分蒸发、气化,进而使水分从物料粒体中由内及外的挥发,实现充分干燥;最后,物料经冷却器13冷却,冷却可使物料颗粒酥化,方便后续粉碎;同时冷却的物料不易吸湿,确保最终产品的干燥度。 Microwave heater 8 for performing a first embodiment of microwave heating, the moisture evaporated from the material inside the mitochondria and in the field, gasification, and steam heater 11, the hot water heater 12, respectively, and a second heat insulation the moisture evaporation surface of the material particles, gasification, and thus moisture from the material and by the mitochondria in volatile, to achieve sufficient drying; Finally, the material is cooled by the cooler 13, cooling the material particles can crisp, easily subsequent pulverization; while cooling the absorbent material is not easy to ensure the drying of the final product.

[0023] 所述真空上料罐3的顶部排气口通过排气管与所述真空带式干燥机的主罐体I相连,该真空上料罐上连接有进料管和放空管;上料时,在罗茨水环真空泵62的作用下,主罐体I内呈负压状态(以使水、有机溶剂的沸点较低,利于干燥),真空上料罐3连接所述主罐体I的管路106上的控制阀107开启,即可使真空上料罐3实施上料,同时将真空上料罐3的放空管上的放空阀108关闭,然后将真空上料罐3上的进料阀109打开并上料;当进料量达预设值时,所述第一密封阀101、进料阀109和控制阀107关闭,然后控制第二密封阀102和放空阀108打开,由于制粒机2的内腔呈负压状态,真空上料罐3内此时呈常压,真空上料罐3中的物料被快速吸入制粒机2并进行粒机(提供了落料效率,避免物料在真空上料罐内现成搭桥或挂壁现象,可确保物料完全落入制粒机),制粒完成后,依次关 [0023] The top of the feed tank 3 through the main tank vacuum vent exhaust tube and the vacuum belt dryer is connected to I, and a feed pipe connected to the vent pipe on the vacuum feed tank; when feeding, under the action of the Roots water ring vacuum pump 62, the tank I was the main negative pressure (so that the water, low-boiling organic solvents, conducive to drying), vacuum feeding tank 3 is connected to the main tank the control valve body 106 on the conduit 107 I open, the tank 3 embodiment can make the material feeding the vacuum while the vacuum on the vent valve on the feed tank 108 is closed vent tube 3, and then the vacuum feed tank 3 the feed valve 109 is opened and the material; when the feed capacity of the preset value, the first seal valve 101, intake valve 109 and control valve 107 to close, then the second control valve 102 and vent valve seal 108 opened, since the granulator lumen of negative pressure state 2, the vacuum within the feed tank 3 at this time was atmospheric pressure, the vacuum tank 3, the feed material is sucked quickly granulator granulator and 2 (provided drop feed efficiency, avoid or bypass the material feed tank shelf wall phenomenon in vacuo to ensure that the material can be fairly fall within the granulator), after completion of the granulation, in turn oFF 闭第二密封阀102、开启第一密封阀101,物料粒体落入主罐体I内的布料器7中。 A second seal closing valve 102, opening a first valve seal 101, the material falling into the mitochondria within the hopper 7 in the main body I.

[0024] 所述主罐体I上设有安全阀110、视镜111、灭菌消毒气体输入接口112、用于向主罐体内喷水以清洗主罐体内壁的净水喷水接头113 ;主罐体I的底部设有排污口114,该排污口上设有阀门。 [0024] The main body I is provided with a safety valve 110, the mirror 111, an input interface 112 sterilization gas for water purification in order to clean the inner wall of the main body 113 to the main water tank connector body; bottom of the main body I is provided with a discharge port 114, a valve provided on the discharge port.

[0025] 所述抽真空及溶剂回收系统6包括:与所述主罐体I的排气口相连的冷凝冷却器61、与该冷凝冷却器61的排气口相连的罗茨水环真空泵62 ;冷凝冷却器61的横向设置的、采用隔套水冷的塔体中邻近所述排气口处设有挡液器63 ;所述塔体中于该挡液器63的前后侧分别设有与一回收溶剂罐64相连的排液口。 [0025] The solvent recovery and evacuation system 6 comprising: a condensing cooler 61 to the main exhaust port connected to the tank I, Roots water ring connected to an exhaust port of the vacuum pump 62 condensate cooler 61 ; condensing cooler 61 disposed laterally, the use of water-cooled column spacer body adjacent the exhaust port 63 is provided with stop solution; in front of the tower to the liquid stopper 63 are respectively provided with side recovering a liquid discharge port 64 is connected to the solvent tank.

[0026] 所述挡液器63包括:固定于所述塔体中的气流路径上的多片平行相间设置的波形板630,各波形板的两侧面上相间分布有多个断面呈钩状的挡条631,挡条631的凹面与进入相邻波形板630之间的气流方向相对,用于使进入相邻波形板630中的气流产生气旋,进而延长气流的停留时间,使其与波形板630充分接触换热,提高冷凝效果;挡条631的高度小于相邻波形板的间隙,防止堵塞气流。 [0026] The liquid stopper 63 comprises: a corrugated plate secured to the multi-plate parallel to the air flow path of the column body 630 of spaced apart, on both sides of each corrugated plate alternating with a plurality of hook-shaped cross-section crosspiece 631, the crosspiece between the direction of gas flow into the adjacent concave surface 631 of the plate 630 relative to the waveform, the waveform for airflow entering the adjacent cyclone is generated in the plate 630, thereby extending the residence time of the gas stream, so that the corrugated sheet 630 fully contact heat exchange to improve the condensation effect; crosspiece 631 is smaller than the gap height of the adjacent corrugation, to prevent clogging of the gas flow.

[0027] 为了增加产生气旋的数量、频次和密度,并生成大气旋和小气旋,所述挡条包括依次相间设置的大挡条和小挡条,大挡条设于邻近所述波形板的圆弧顶部,小挡条设于相邻的一对大挡条之间。 [0027] To increase the number of cyclones generated, frequency and density, and generates the large and small cyclones cyclones, the crosspiece comprises a large spaced crosspieces arranged successively and crosspiece small, large disposed adjacent to the crosspiece corrugated plate the top of the arc, a small crosspiece is provided between a pair of adjacent large crosspiece. 大挡条和小挡条分别生成大、小气旋,且生成的大、小气旋相邻,可提高气旋的密度,进而进一步提高冷凝效果。 Large and small crosspiece crosspiece generate large and small cyclones, and the resulting large, the adjacent small cyclones, the cyclone can increase the density, thereby further enhancing the condensing effect.

[0028] 所述蒸汽加热器、热水加热器和冷却器优选板式换热器(体积小、效率高),也可选用蛇形平面排列的换热管。 [0028] The steam heater, hot water heater and the cooler is preferably a plate heat exchanger (small volume, high efficiency), can also be used in the serpentine heat exchange tubes arranged in a plane.

[0029] 所述真空上料罐内且于与所述排气管和放空管的接口相对处设有滤网(优选烧结网,可避免掉屑现象),用于防止真空上料罐内的风尘、杂质通过所述排气管和放空管排出;当放空管上的放空阀空气实施放空下料时,外界气流通过放空管直接喷吹、清洁滤网,不需要另设滤网清洁系统,净化了设备结构。 [0029] The material provided to the vacuum tank and the exhaust pipe opposite the interface of the vent pipe and the sieve (preferably sintered mesh, to avoid the phenomenon of crumbs), for preventing the vacuum feed tank the dust and impurities through the vent pipe and the exhaust pipe discharge; when the air vent valve on the vent tube cutting emptying embodiment, outside airflow pipe direct injection by venting, clean the filter, does not require a separate filter net cleaning system, clean up the device structure.

[0030] 主罐体接地,以防止静电可能带来的安全隐患,避免静电对主罐体内地粉尘、易燃易爆的溶剂构成危险;主罐体上设有防爆安全阀。 [0030] the main tank grounded to prevent static electricity may bring security risks, to avoid static electricity on the primary solvent tank Mainland dust or explosive danger; explosion relief valve is provided on the main body.

[0031] 实施例2 [0031] Example 2

上述实施例1所述的真空带式干燥机组的粉料干燥方法,其包括,将待干燥粉体采用真空输送方式送入真空上料罐3,然后送入制粒机2制成直径在3-20mm的物料粒体,然后经真空带式干燥机干燥后,经粉碎机粉碎而获得经干燥的粉体。 Powder drying method of the above Example vacuum belt drying unit according to embodiment 1, which comprises, to be dried into powder by a vacuum conveying bucket 3 embodiment vacuum, and then fed to a granulator having a diameter of 2 3 -20mm material granular bodies, and then vacuum dried with a dryer, the grinder to obtain a dried powder.

[0032] 其中,邻近真空带式干燥机的主罐体I中的传送带前端部上方设有用于对物料进行干燥的微波加热器8,所述传送带100的内侧前后方向依次设有与传送带100平行分布的蒸汽加热器11、热水加热器12和冷却器13 ;采用微波加热器8,以微波方式进行第一次加热,使水分从物料粒体中由内及外地蒸发、气化,然后采用蒸汽加热器11、热水加热器12分别进行第二次加热和保温,使物料粒体表面的水分蒸发、气化;最后,物料经冷却器13冷却,以使物料颗粒酥化。 [0032] wherein the distal end portion of the belt adjacent the upper vacuum belt dryer main body I is provided with the material for microwave drying heater 8, the inner longitudinal direction of the conveyor belt 100 are sequentially provided in parallel with the conveyor belt 100 distribution of the steam heater 11, the hot water heater 12 and cooler 13; 8 microwave heaters, microwave heating manner for the first time, evaporate moisture from the material inside the mitochondria and in the field, vaporized, and then using steam heater 11, the hot water heater 12 are subjected to a second heating and holding, moisture evaporation surface of the material particles, the gasification; and finally, the material is cooled by the cooler 13, so that the material particles are crisp.

[0033] 上述粉料干燥方法,还包括,在罗茨水环真空泵62的作用下,主罐体I内热蒸汽进入冷凝冷却器6 ;气流经过挡液器63中的多片平行相间设置的波形板630之间,并在各波形板630的两侧面上的相间分布的多个端面呈钩状的挡条631的作用下,气流产生气旋;气流中的水蒸气、溶剂经与波形板630接触后冷凝,并从回收溶剂罐底部的排液口进入回收溶剂罐64 ;所述主罐体I内且于主罐体I的入料口下方设有工作时前后振动的布料器7,该布料器7的出料端下方设有传送带100 ;布料器7包括一工作时前后振动且向后下方倾斜的簸箕体,采用气缸和连杆机构驱动簸箕体动作。 [0033] The powder drying method further comprises, under the action of the Roots water ring vacuum pump 62, the main body I heat steam into the condensate cooler 6; waveform liquid stream through the stopper plate 63 in a plurality of spaced apart parallel between the plate 630, and under the effect of the crosspieces 631 alternatively distributed on both sides of each corrugated plate 630 is a plurality of hook-shaped end faces, the cyclone airflow is generated; in the vapor stream, after contacting the solvent with the corrugated sheet 630 condensed, recovered solvent tank and into the bottom of the solvent recovery tank 64 from the liquid discharge port; and below the feed inlet of the main body I is provided with a longitudinal vibration during operation of the hopper 7 within the main body I, the cloth 7 the lower end of the discharge conveyor 100 is provided; dustpan hopper 7 includes a drive operation of the vibration body and inclined rearwardly downward dustpan body, front air cylinder and a link mechanism when a work.

[0034] 以上述依据本发明的理想实施例为启示,通过上述的说明内容,相关工作人员完全可以在不偏离本项发明技术思想的范围内,进行多样的变更以及修改。 [0034] In the above-described embodiments of the present invention is based on the vision revelation, the above described content, relevant staff can without departing from the scope of the technical ideas of the present inventions, a variety of changes and modifications. 本项发明的技术性范围并不局限于说明书上的内容,必须要根据权利要求范围来确定其技术性范围。 Technical scope of the present invention is not limited to the content item on the instructions, which must be determined according to the technical scope of the claims.

Claims (10)

1.一种多功能、环保节能型真空带式干燥机组,包括:真空带式干燥机,真空带式干燥机包括横向分布且密闭的主罐体,其特征在于:该主罐体前端的入料口经第一密封阀与一制粒机的底部出料口相连,制粒机的顶部入料口经第二密封阀与一真空上料罐的底部出料口相连; 所述主罐体后端的出料口上依次连接有粉碎机、第三密封阀、出料中间仓; 所述主罐体的排气口上连接有抽真空及溶剂回收系统。 A versatile, environmentally friendly energy vacuum belt drying unit, comprising: a vacuum belt dryer, a vacuum belt dryer includes a transverse distribution of the main body and sealed, wherein: the front end of the main body bottom feed port through the first sealing valve and a discharge port of the granulator is connected to the top of the granulator through the feeding inlet valve and a second sealing vacuum bottoms feed tank connected to the outlet; said main body sequentially connecting the discharge port of the rear end mill has a third sealing valve, the intermediate feed bin; vacuum is connected and a solvent recovery system on the exhaust port of the main body.
2.根据权利要求1所述的多功能、环保节能型真空带式干燥机组,其特征在于,所述主罐体内且于所述入料口下方设有布料器,该布料器的出料端下方设有传送带;布料器包括一工作时前后振动且向后下方倾斜的簸箕体。 The multi-functional, environmentally friendly energy vacuum belt drying unit according to claim 1, characterized in that the main body and the tank to the discharge opening is provided below the hopper, the discharge end of distributor provided below the conveyor belt; hopper comprises a front and rear pair of vibration during operation and is inclined rearwardly downward dustpan body.
3.根据权利要求2所述的多功能、环保节能型真空带式干燥机组,其特征在于,邻近所述主罐体的入料口且于所述布料器上方设有用于对布料器上的以及邻近传送带前端部上的物料进行干燥的微波加热器,所述传送带的内侧前后方向依次设有与传送带平行分布的蒸汽加热器、热水加热器和冷却器。 The multi-functional, environmentally friendly energy vacuum belt drying unit according to claim 2, characterized in that, adjacent to the main body and to the feeding inlet is provided above the hopper for the distributor of and a belt material on adjacent distal portion of a microwave heater for drying the conveyor belt longitudinal direction are sequentially provided inside the conveyor running parallel steam heater, hot water heater and a cooler.
4.根据权利要求1-3之一所述的多功能、环保节能型真空带式干燥机组,其特征在于,所述抽真空及溶剂回收系统包括:与所述主罐体的排气口相连的冷凝冷却器、与该冷凝冷却器的排气口相连的罗茨水环真空泵;冷凝冷却器的主罐体中邻近所述排气口处设有挡液器; 所述主罐体中于该挡液器的前后侧分别设有与一回收溶剂罐相连的排液口。 The multi-functional, environmentally friendly energy vacuum belt drying unit according to one of claims 1 to 3, characterized in that the evacuation and the solvent recovery system comprising: an exhaust port connected to said main body condensing cooler Roots water connected to an exhaust port of the cooler condensation ring vacuum pump; a main body adjacent the condensing cooler vent stopper is provided at a liquid; in the main body of the the liquid stopper front and back sides are provided with a fluid outlet connected to the tank to recover the solvent.
5.根据权利要求1-3之一所述的多功能、环保节能型真空带式干燥机组,其特征在于,所述真空上料罐的顶部排气口通过排气管与所述真空带式干燥机的主罐体相连,该真空上料罐上连接有进料管和放空管; 排气管、进料管和放空管上分别设有第四密封阀。 The multi-function according to one of claims 1-3, environmentally friendly energy vacuum belt drying unit, characterized in that the vacuum on top of the tank feed tube and the exhaust port by the vacuum belt the main body of the dryer is connected to the feed tank connected to the vacuum intake pipe and a vent pipe; exhaust pipe, feed tube and vent tube are provided with a fourth sealing valve.
6.根据权利要求5所述的多功能、环保节能型真空带式干燥机组,其特征在于,所述真空上料罐内且于与所述排气管和放空管的接口相对处设有滤网。 The multi-functional, environmentally friendly energy vacuum belt drying unit according to claim 5, wherein the vacuum is provided to the feeding tank and the exhaust pipe opposite the mouthpiece and vent filter.
7.根据权利要求4所述的多功能、环保节能型真空带式干燥机组,其特征在于,所述挡液器包括:固定于所述塔体中的气流路径上的多片平行相间设置的波形板,各波形板的两侧面上相间分布有多个挡条,挡条的断面呈钩状,挡条的凹面与进入相邻波形板之间的气流方向相对,用于使气流产生气旋;挡条的高度小于相邻波形板的间隙。 The multi-functional, environmentally friendly energy vacuum belt drying unit according to claim 4, characterized in that the stop liquid comprising: a plurality of parallel plate flow path on the tower fixed to the body of spaced apart wave plate, both surfaces of the corrugated plates alternating with a plurality of crosspieces, the crosspiece of the hooked section, the direction of the air flow between the concave surface and into the crosspiece corrugated plates adjacent opposite, for generating cyclone airflow; smaller than the gap height of the crosspiece adjacent corrugated plate.
8.根据权利要求7所述的多功能、环保节能型真空带式干燥机组,其特征在于,所述挡条包括依次相间设置的大挡条和小挡条,大挡条设于邻近所述波形板的圆弧顶部,小挡条设于相邻的一对大挡条之间。 The multi-function according to claim 7, environmentally friendly energy vacuum belt drying unit, characterized in that said crosspiece comprises a large and a small crosspiece crosspiece arranged sequentially spaced, large disposed adjacent to the crosspiece the top waveform is the arc plate, the small crosspiece is provided between a pair of adjacent large crosspiece.
9.一种根据权利要求1所述的多功能、环保节能型真空带式干燥机组的粉料干燥方法,其特征在于包括,将待干燥粉体采用真空输送方式送入真空上料罐,然后送入制粒机制成直径在3-20_的物料粒体,然后经真空带式干燥机干燥后,经粉碎机粉碎而获得经干燥的粉体; 其中,邻近真空带式干燥机的主罐体中的传送带前端部上方设有用于对物料进行干燥的微波加热器,所述传送带的内侧前后方向依次设有与传送带平行分布的蒸汽加热器、热水加热器和冷却器;采用微波加热器,以微波方式进行第一次加热,使水分从物料粒体中由内及外地蒸发、气化,然后采用蒸汽加热器、热水加热器分别进行第二次加热和保温,使物料粒体表面的水分蒸发、气化;最后,物料经冷却器冷却,以使物料颗粒酥化。 A versatile, environmentally friendly energy vacuum belt drying method of the drying unit of the powder according to claim 1, characterized by comprising, using the dry powder to be fed into the feed tank vacuum transfer mode vacuum, then granulator into granules having a diameter in the material body 3-20_ then vacuum dried with a dryer, the grinder to obtain a dried powder; wherein, adjacent the vacuum belt dryer main tank the distal end portion of the body above the conveyor is provided for a microwave heater for drying material, said conveyor belt longitudinal direction are sequentially provided inside the conveyor running parallel steam heater, a hot water heater and a cooler; using a microwave heater , microwave heating manner for the first time, evaporate moisture from the material inside the mitochondria and in the field, gasification, and steam heaters, water heaters were subjected to a second heating and holding, the surface of the material particles evaporation of moisture vaporized; and finally, the material is cooled by the cooler, so that the material particles are crisp.
10.根据权利要求9所述的粉料干燥方法,其特征在于还包括:在罗茨水环真空泵的作用下,主罐体内热蒸汽进入冷凝冷却器;气流经过挡液器中的多片平行相间设置的波形板之间,并在各波形板的两侧面上的相间分布的多个端面呈钩状的挡条的作用下,气流产生气旋;气流中的溶剂经与波形板接触后冷凝,并从回收溶剂罐底部的排液口进入回收溶剂te ; 所述主罐体内且于所述入料口下方设有工作时前后振动的布料器,该布料器的出料端下方设有传送带;布料器包括一工作时前后振动且向后下方倾斜的簸箕体; 其中,上料时,在罗茨水环真空泵的作用下,主罐体内呈负压状态,真空上料罐连接所述主罐体的管路上的控制阀开启,即可使真空上料罐上料,同时将真空上料罐的放空管上的放空阀关闭,然后将真空上料罐上的进料阀打开并上料;当进料量达 10. The method of drying powder according to claim 9, characterized by further comprising: under the action of the Roots water ring vacuum pump, the main body enters the condensing heat steam cooler; stop gas flow through a plurality of parallel sheets of liquid wave plate disposed between the spaced, and the role of the crosspiece alternatively distributed on both sides of each of the plurality of corrugated plates hook-shaped end faces, the cyclone airflow is generated; the solvent was condensed after contacting the gas stream with a corrugated plate, and into the bottom of solvent recovery from the discharge port recovered solvent tank TE; the main body and the tank to the feeding port when the work is provided below the hopper before and after the vibration, the distributor is provided below the discharge end of the conveyor belt; includes vibrating the hopper and is inclined rearwardly downward dustpan body when a work; wherein, when loading, under the action of the Roots water ring vacuum pump, a negative pressure state within the main tank, the vacuum tank is connected to the main feeding tank pipeline control valve body opening, to make the material feeding vacuum tank while the vent valve on the vacuum feed tank vent pipe is closed and the vacuum inlet valve is opened and the feed tank feeding ; when the feed capacity 预设值时,所述第一密封阀、进料阀和控制阀关闭,然后控制第二密封阀和放空阀打开,由于制粒机的内腔呈负压状态,真空上料罐内此时呈常压,真空上料罐中的物料被快速吸入制粒机并进行粒机,制粒完成后,依次关闭第二密封阀、开启第一密封阀,物料粒体落入布料器中。 When the predetermined value, said first sealing valve, inlet valve and the control valve is closed and the second control valve and the vent valve seal is opened, since the negative pressure lumen granulator state, at this time the vacuum tank feeding was atmospheric pressure, the vacuum tank feed material is sucked fast granulator and granulator, the granulation is completed, sequentially closing the second valve seal, a first sealing valve opening, the material in the hopper fall into the mitochondria.
CN201410628905.3A 2014-11-10 2014-11-10 Versatile, environmentally friendly energy vacuum belt drying unit, and powder drying method CN105651006B (en)

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