CN107047721A - 一种海捕虾的联合干燥装置 - Google Patents
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Abstract
本发明公开了一种海捕虾的联合干燥装置,包括超声波探头支架6、与超声波探头支架6侧边连接的热风发生器1和与超声波探头支架6上部连接的超声波发生器4。超声波发生器4通过声波发生器与换能器的连接电缆3与每个超声波探头2连接;超声波探头支架6上端与超声波探头2连接,超声波探头支架6中部设有物料升降台5。充分利用热风和超声波的能量,使超声波与热风干燥技术有效的耦合在一起,强化干燥过程中的传热和传质,提高工作效率,节约能耗;通过将测得的温度值传输给热风发生器1,来控制热风发生器1的开关,从而对装置的温度进行调控,使装置温度稳定在一定范围内。
Description
技术领域
本发明涉及干燥技术领域,尤其是一种海捕虾的联合干燥装置。
背景技术
热风干燥作为一种主要的干燥技术,被广泛应用于食品,尤其在脱水食品生产中占据 90%以上。与其它干燥技术(真空干燥、冷冻干燥、喷雾干燥)相比,热风干燥具有设备简单、投资低、干燥工艺参数易控、自动化程度较高等优点。但不容忽视的是,热风干燥也存在一些亟待解决的问题,包括 :传热传质效率低,干燥时间长,能耗偏高,产品质量低。为了提高热风干燥的效率,通常需要在较高的干燥温度下进行,对食品中的许多热敏性成分和生理活性成分非常不利,易导致产品质量下降,如 :营养物质和芳香物质损失、功效成分的失活、表面硬化开裂、过度收缩、低复水性和明显的颜色改变等 ;另外则显著增加了能耗。同时,较长的热风干燥过程极易引起微生物的滋生与繁殖,会导致海捕虾的褐化甚至腐烂。超声是指频率为 2×104 Hz~109 Hz的声波。与其他频率的声波相比,超声具有传播方向性强,介质质点振动加速度大,在介质中能产生空化效应等突出特点。由于超声独特的作用效应,它常被作为一种非常有效的强化传热和传质的手段。
现有技术如授权公告号为CN101586905B的中国发明专利,公开了一种超声波热风联合干燥装置及其干燥方法,涉及干燥技术领域,尤其适用于食品及药品干燥技术领域。本发明的超声波探头支架的外部分别连接热风发生器、超声波探头,每个超声波探头分别通过声波发生器与换能器的连接电缆与超声波发生器连接 ;超声波探头支架的内部设置物料升降台。本发明通过超声波热风联合干燥装置的干燥方法,首先利用超声波对物料进行预处理,然后开启热风发生器,使物料在超声波与热风联合作用下完成干燥过程。该装置将超声波与热风干燥有机结合,有效提高物料的干燥品质,缩短干燥时间,提高能源利用率,但是该装置未设置温控系统,无法保证装置内的温度稳定在一定范围内。
发明内容
本发明的目的在于提供一种能缩短干燥时间,降低干燥温度,防水性能好,使用寿命长,温度稳定,干燥过程中海捕虾褐化率低的海捕虾的联合干燥装置。
本发明针对背景技术中提到的问题,采取的技术方案为:一种海捕虾的联合干燥装置,包括超声波探头支架、与超声波探头支架侧边连接的热风发生器和与超声波探头支架上部连接的超声波发生器。超声波发生器通过声波发生器与换能器的连接电缆与每个超声波探头连接;超声波探头支架上端与超声波探头连接,超声波探头支架中部设有物料升降台。充分利用热风和超声波的能量,使超声波与热风干燥技术有效的耦合在一起,强化干燥过程中的传热和传质,提高工作效率,节约能耗;通过将测得的温度值传输给热风发生器,来控制热风发生器的开关,从而对装置的温度进行调控,使装置温度稳定在一定范围内。
作为优选,物料升降台的上端设置金属网面,热风发生器风口的中心高度与金属网面高度一致。最大限度的利用热风发生器产生的热风,减少能源的浪费,加快海捕虾的干燥速度。
作为优选,超声波探头支架的内表面涂有一层防水涂层,成份及其重量份为:40~43份丙烯酸乳液、5~7份去离子水、0.4~0.6份纳米二氧化钛、0.4~0.6份季戊四醇硬脂酸酯、 0.5~0.7份分散剂、6~8份碳酸钙粉末、7~12份硅微粉、0.01~0.03份、乙酰柠檬酸三丁酯、0.5 ~2.3份二元醇类减缩剂和0.2~0.4份聚羟酸减水剂,涂层厚度为0.2~0.4mm。上述防水涂层能保护超声波探头支架,使其在长期处理高湿度的环境下不被腐蚀生锈,季戊四醇硬脂酸 酯和通过纳米二氧化钛或因协同作在一定程度上提高其放水性能,达到抑制氧化生锈的作用,延长设备的寿命。
作为优选,超声波探头上设有温度感应传感器,温度感应传感器通过电缆与热风发生器连接。温度感应传感器与超声波探头末端相距4~6cm。将温度感应传感器按上述方式安装能够测得接近海捕鱼中心温度的值,还能够减少超声波对温度感应传感器的破坏;温度感应传感器与热风发生器形成温控系统,通过将测得的温度值传输给热风发生器,来控制热风发生器的开关,从而对装置的温度进行调控,使装置温度稳定在一定范围内。
作为优选,超声波探头之间间距10~14cm,呈矩阵排列。将超声波探头按上述方式排列能保证金属网上的海捕虾周围的空气产生空化现象,形成超声喷雾,使蒸发表面积增加,提高干燥效率;并且声阻抗值小,能源浪费少,节约能源。
与现有技术相比,本发明的优点在于:充分利用热风和超声波的能量,使超声波与热风干燥技术有效的耦合在一起,强化干燥过程中的传热和传质,提高工作效率,节约能耗;通过将测得的温度值传输给热风发生器,来控制热风发生器的开关,从而对装置的温度进行调控,使装置温度稳定在一定范围内;防水涂层能保护超声波探头支架,使其在长期处理高湿度的环境下不被腐蚀生锈,延长设备的寿命。
附图标记
图1为本发明装置结构示意图;
图2为本发明装置左视图;
图3为本发明装置俯视图;
图4为本发明温控系统流程图。
附图标记说明:1热风发生器;2超声波探头;21温度感应传感器;3超声波发生器与换能器的连接电缆;4、超声波发生器;5物料升降台;6超声波探头支架。
具体实施例
下面通过附图和实施例对本发明方案作进一步说明:
实施例1:
如图1、2和3所示,一种海捕虾的联合干燥装置,包括超声波探头支架6、与超声波探头支架6侧边连接的热风发生器1和与超声波探头支架6上部连接的超声波发生器4。超声波发生器4通过声波发生器与换能器的连接电缆3与每个超声波探头2连接;超声波探头支架6上端与超声波探头2连接,超声波探头支架6中部设有物料升降台5。充分利用热风和超声波的能量,使超声波与热风干燥技术有效的耦合在一起,强化干燥过程中的传热和传质,提高工作效率,节约能耗;通过将测得的温度值传输给热风发生器1,来控制热风发生器1的开关,从而对装置的温度进行调控,使装置温度稳定在一定范围内。物料升降台5的上端设置金属网面,热风发生器1风口的中心高度与金属网面高度一致。最大限度的利用热风发生器1产生的热风,减少能源的浪费,加快海捕虾的干燥速度。超声波探头2上设有温度感应传感器21,温度感应传感器21通过电缆与热风发生器1连接。温度感应传感器21与超声波探头2末端相距4~6cm。将温度感应传感器21按上述方式安装能够测得接近海捕鱼中心温度的值,还能够减少超声波对温度感应传感器21的破坏;通过将测得的温度值传输给热风发生器1,来控制热风发生器1的开关,从而对装置的温度进行调控,使装置温度稳定在一定范围内。超声波探头2之间间距10~14cm,呈矩阵排列。将超声波探头2按上述方式排列能保证金属网上的海捕虾周围的空气产生空化现象,形成超声喷雾,使蒸发表面积增加,提高干燥效率;并且声阻抗值小,能源浪费少,节约能源。
超声波探头支架6的内表面涂有一层防水涂层,成份及其重量份为:40~43份丙烯酸乳液、5~7份去离子水、0.4~0.6份纳米二氧化钛、0.4~0.6份季戊四醇硬脂酸酯、0.5~0.7 份分散剂、6~8份碳酸钙粉末、7~12份硅微粉、0.01~0.03份、乙酰柠檬酸三丁酯、0.5~2.3份 二元醇类减缩剂和0.2~0.4份聚羟酸减水剂,涂层厚度为0.2~0.4mm。上述防水涂层能保护超声波探头支架6,使其在长期处理高湿度的环境下不被腐蚀生锈,延长设备的寿命。
实施例2:
如图1、2和3所示,一种海捕虾的联合干燥装置,包括超声波探头支架6、与超声波探头支架6侧边连接的热风发生器1和与超声波探头支架6上部连接的超声波发生器4。超声波发生器4通过声波发生器与换能器的连接电缆3与每个超声波探头2连接;超声波探头支架6上端与超声波探头2连接,超声波探头支架6中部设有物料升降台5。充分利用热风和超声波的能量,使超声波与热风干燥技术有效的耦合在一起,强化干燥过程中的传热和传质,提高工作效率,节约能耗;通过将测得的温度值传输给热风发生器1,来控制热风发生器1的开关,从而对装置的温度进行调控,使装置温度稳定在一定范围内。物料升降台5的上端设置金属网面,热风发生器1风口的中心高度与金属网面高度一致。最大限度的利用热风发生器1产生的热风,减少能源的浪费,加快海捕虾的干燥速度。超声波探头2上设有温度感应传感器21,温度感应传感器21通过电缆与热风发生器1连接。温度感应传感器21与超声波探头2末端相距4~6cm。将温度感应传感器21按上述方式安装能够测得接近海捕鱼中心温度的值,还能够减少超声波对温度感应传感器21的破坏;通过将测得的温度值传输给热风发生器1,来控制热风发生器1的开关,从而对装置的温度进行调控,使装置温度稳定在一定范围内。超声波探头2之间间距10~14cm,呈矩阵排列。将超声波探头2按上述方式排列能保证金属网上的海捕虾周围的空气产生空化现象,形成超声喷雾,使蒸发表面积增加,提高干燥效率;并且声阻抗值小,能源浪费少,节约能源。
超声波探头支架6的内表面涂有一层防水涂层,成份及其最优选重量份为:42份丙烯酸乳液、6份去离子水、0.5份纳米二氧化钛、0.4份季戊四醇硬脂酸酯、0.5份分散剂、6份 碳酸钙粉末、11份硅微粉、0.01份、乙酰柠檬酸三丁酯、1.7份二元醇类减缩剂和0.2份聚羟 酸减水剂,涂层厚度为0.3mm。上述防水涂层能保护超声波探头支架6,使其在长期处理高湿度的环境下不被腐蚀生锈,延长设备的寿命。
将海捕虾去头、去泥线后洗净沥干,均匀平铺在金属网上,设置装置温度后依次开启热风发生器1和超声波发生器4对海捕虾进行超声联合热风干燥。当装置温度高于设置的温度,温度感应传感器21将信息传输给热风发生器1,热风发生器1停止工作;当装置温度低于设置的温度,热风发生器1重新开始工作。
本发明的操作步骤中的常规操作为本领域技术人员所熟知,在此不进行赘述。
以上所述的实施例对本发明的技术方案进行了详细说明,应理解的是以上所述仅为本发明的具体实施例,并不用于限制本发明,凡在本发明的原则范围内所做的任何修改、补充或类似方式替代等,均应包含在本发明的保护范围之内。
Claims (7)
1.一种海捕虾的联合干燥装置,包括超声波探头支架(6)、与超声波探头支架(6)侧边连接的热风发生器(1)和与超声波探头支架(6)上部连接的超声波发生器(4),其特征在于:所述超声波发生器(4)通过声波发生器与换能器的连接电缆(3)与每个超声波探头(2)连接;所述超声波探头支架(6)上端与超声波探头(2)连接,超声波探头支架(6)中部设有物料升降台(5)。
2.根据权利要求1所述的一种海捕虾的联合干燥装置,其特征在于:所述物料升降台(5)的上端设置金属网面,热风发生器(1)风口的中心高度与金属网面高度一致。
3.根据权利要求1所述的一种海捕虾的联合干燥装置,其特征在于:所述超声波探头支架(6)的内表面涂有一层防水涂层,成份及其重量份为:40~43份丙烯酸乳液、5~7份去离子水、0.4~0.6份纳米二氧化钛、0.4~0.6份季戊四醇硬脂酸酯、0.5~0.7份分散剂、6~8份碳酸 钙粉末、7~12份硅微粉、0.01~0.03份、乙酰柠檬酸三丁酯、0.5~2.3份二元醇类减缩剂和0.2 ~0.4份聚羟酸减水剂。
4.根据权利要求3所述的防水涂层,其特征在于:所述涂层的厚度为0.2~0.4mm。
5.根据权利要求1所述的一种海捕虾的联合干燥装置,其特征在于:所述超声波探头(2)上设有温度感应传感器(21),温度感应传感器(21)通过电缆与热风发生器(1)连接。
6.根据权利要求5所述的温度感应传感器(21)与超声波探头(2)末端相距4~6cm。
7.根据权利要求1所述的一种海捕虾的联合干燥装置,其特征在于:所述超声波探头(2)之间间距10~14cm,呈矩阵排列。
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