CN105470170A - 使制绒槽化学槽液温度均匀的系统 - Google Patents
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Abstract
本发明涉及一种使制绒槽化学槽液温度均匀的系统,包括浸泡区及位于浸泡区下方的槽液区,其特征在于:在浸泡区内布置有两个多排喷孔缓冲装置,两个多排喷孔缓冲装置均与槽液区相连通,槽液区内的药液出槽液区后分别进入两个多排喷孔缓冲装置后,在各自的多排喷孔缓冲装置内进行第一次混合,混合后的药液自两个多排喷孔缓冲装置相对喷射出去,进行第二次混合,从而使浸泡区内的药液不停流动。本发明提供的用于制绒槽药液温度均匀的系统,通过对射的2个多排喷孔缓冲装置使药液不停流动混合,使药液温度各个角落都相对均匀,使得电池片生产过程中,五道绒面能更加均匀,化学反应激烈程度都相差无几,使设备运转更加稳定。
Description
技术领域
本发明涉及一种太阳能电池片生产过程中,清洗机制绒槽化学槽液的温度均匀系统。
背景技术
清洗制绒是太阳能电池片生产工序中非常重要的环节之一。经过切、磨、抛光等多道工序加工成的硅片,其表面吸附了各种杂质,如:颗粒、金属粒子、硅粉粉尘及有机杂质,而硅片制绒清洗的目的就是消除各类污染物,且清洗的洁净程度直接影响着电池片的成品率。清洗制绒就是利用氢氧化钠、氢氟酸、盐酸、硝酸等化学药液对硅片进行腐蚀处理,完成去损伤层、制绒等工艺。而制绒相对是对工艺温度要求最高的一个环节,因为硅片在制绒槽是用滚轴通过槽体并与其中的药液进行化学反应,反应中会生热量,而为了使各硅片间碱薄量及单片色差相差无几,工艺温度是要求相对稳定及均匀的,因为温度决定着硅片制绒化学反应的激烈程度,并且滚轴的传送速度是恒定的。这就要求在相同的时间里,硅片的反应程度趋于相同,满足这个条件就是要求它整槽的温度都是均匀和稳定的。
发明内容
本发明的目的在于建立一套使制绒槽内化学槽液温度均匀化的机构。
为了达到上述目的,本发明的技术方案是提供了一种使制绒槽槽液温度均匀的系统,包括浸泡区及位于浸泡区下方的槽液区,在正常生产过程中,浸泡区及槽液区的药液通过循环管路不间断循环来对浸泡区内的药液进行降温,其特征在于:在浸泡区内布置有两个多排喷孔缓冲装置,两个多排喷孔缓冲装置均与槽液区相连通,槽液区内的药液出槽液区后分别进入两个多排喷孔缓冲装置后,在各自的多排喷孔缓冲装置内进行第一次混合,混合后的药液自两个多排喷孔缓冲装置相对喷射出去,进行第二次混合,从而使浸泡区内的药液不停流动。
优选地,所述多排喷孔缓冲装置包括壳体,壳体内形成有药液混合腔,在壳体的一面上设有用于与所述循环管路相连的管路连接孔,在壳体的另一面上设有药液喷射孔,管路连接孔与药液喷射孔均与药液混合腔相连通,且药液喷射孔的直径小于管路连接孔的直径;
两个多排喷孔缓冲装置上的药液喷射孔相对设置。
本发明提供的用于制绒槽药液温度均匀的系统,通过对射的2个多排喷孔缓冲装置使药液不停流动混合,使药液温度各个角落都相对均匀,使得电池片生产过程中,五道绒面能更加均匀,化学反应激烈程度都相差无几,使设备运转更加稳定。
附图说明
图1为制绒槽槽液示意图;
图2为多排喷孔缓冲固定装置位置俯视图;
图3为多排喷孔缓冲固定装置位置多排喷孔面截面图;
图4为多排喷孔缓冲固定装置位置五孔面截面图。
具体实施方式
为使本发明更明显易懂,兹以优选实施例作详细说明如下。
如图1至图4所示,本发明提供了一种使制绒槽内化学槽液温度均匀化的系统。
一般制绒槽通常分为上下两区,分别为与硅片直接接触的浸泡区1,还有就是通过冷却盘5进行降温的槽液区4。正常生产过程中,浸泡区1与槽液区4的药液通过循环泵3进行五路管道2同时不间断循环来对浸泡区1药液进行降温。
本发明在常规的制绒槽的基础上增加了两个多排喷孔缓冲装置6。两个多排喷孔缓冲装置6均布置在浸泡区1内。每个多排喷孔缓冲装置6包括采用PVDF防酸碱塑料制作的一个内空的长方形壳体。长方形壳体的一边面上有多排药液喷射孔7,另一面有五个管路连接孔8,用于分别和五路管道2相连,其余面完全封闭。将五路管道2与五个管路连接孔8对应焊接,来自五路管道2的药液通过管路连接孔8进入长方形壳体的中空部位。由于另一面上的药液喷射孔7较为细小,因此药液会在这里进行第一次混合,然后靠着压力从药液喷射孔7中喷射出去。两个多排喷孔缓冲装置6上的药液喷射孔7相对布置,所以从多排喷孔缓冲装置6喷射出来的药液是一个对射的状态,这使得药液进行第二次混合,这就能确保槽中和硅片接触的药液是不停流动的,温度是均匀的。
改装制绒槽后,通过红外温度测试仪各点位测试,温度由原先2度的温差缩至0.3,达到我们预期设想,单片色差也有原先的百分之六左右缩至现在的百分之一以内。
Claims (2)
1.一种使制绒槽化学槽液温度均匀的系统,包括浸泡区(1)及位于浸泡区(1)下方的槽液区(4),在正常生产过程中,浸泡区(1)及槽液区(4)的药液通过循环管路不间断循环来对浸泡区(1)内的药液进行降温,其特征在于:在浸泡区(1)内布置有两个多排喷孔缓冲装置(6),两个多排喷孔缓冲装置(6)均与槽液区(4)相连通,槽液区(4)内的药液出槽液区(4)后分别进入两个多排喷孔缓冲装置(6)后,在各自的多排喷孔缓冲装置(6)内进行第一次混合,混合后的药液自两个多排喷孔缓冲装置(6)相对喷射出去,进行第二次混合,从而使浸泡区(1)内的药液不停流动。
2.如权利要求1所述的一种使制绒槽化学槽液温度均匀的系统,其特征在于,所述多排喷孔缓冲装置(6)包括壳体,壳体内形成有药液混合腔,在壳体的一面上设有用于与所述循环管路相连的管路连接孔(8),在壳体的另一面上设有药液喷射孔(7),管路连接孔(8)与药液喷射孔(7)均与药液混合腔相连通,且药液喷射孔(7)的直径小于管路连接孔(8)的直径;
两个多排喷孔缓冲装置(6)上的药液喷射孔(7)相对设置。
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Cited By (2)
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CN107968130A (zh) * | 2017-11-27 | 2018-04-27 | 乐山新天源太阳能科技有限公司 | 硅片清洗制绒工艺 |
CN107968062A (zh) * | 2017-11-27 | 2018-04-27 | 乐山新天源太阳能科技有限公司 | 硅片清洗制绒装置 |
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CN107968062B (zh) * | 2017-11-27 | 2019-09-13 | 乐山新天源太阳能科技有限公司 | 硅片清洗制绒装置 |
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