CN111233223A - 一种优质矿泉水的生产工艺 - Google Patents
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Abstract
本发明公开了一种优质矿泉水的生产工艺,包括以下步骤:(1)采集源水;(2)源水初滤;(3)源水曝气;(4)超滤处理;(5)杀菌消毒;(6)无菌灌装。采用上述技术方案。本方案具有如下优点:可以去除如游离余氯一类对阳离子交换剂有害的物质,以及重金属离子有效降低水的色度。使用PP棉滤芯除去水中较小的颗粒、悬浮物及胶体等,随后进入RO反渗透膜,可以除去水中细菌、病毒、重金属离子等有害物质;在进入椰壳活性炭滤芯,调节水的口味。利用纳滤渗透膜的分离特性,可以有效的去除水中的溶解盐、胶体、有机物、细菌和病毒等,纳滤膜比反渗透膜优异之处,在于除去有害物质相同之下,纳滤膜保留了水分子中人体所需生命元素,有纯净水的口感和矿泉水的微量元素。
Description
技术领域
本发明涉及饮用水生产处理技术,具体涉及一种优质矿泉水的生产工艺。
背景技术
净水,简称净水或纯水,是纯洁、干净,不含有杂质或细菌的水(H2O),如有机污染物、无机盐、任何添加剂和各类杂质,是以符合生活饮用水卫生标准的水为原水。在中国桶装饮用水市场上,主要有纯净水、矿泉水、泉水和天然水、矿物质水等。天然矿泉水的泉水在漫长的运移过程中,将岩石中天然矿物质缓慢溶滤出来,使得矿泉水中富含各种对人体有益的矿物精华,其中偏硅酸,对维持血管弹性、防止血管硬化有重要作用,但偏硅酸只有天然矿泉水才含有的成分,人工是无法添加的。矿泉水与纯净水、蒸馏水、冰川水、活性水、磁化水、富氧水、矿物质水、泉水、离子水等相比具有如下特点:1、原水卫生质量有保证;2、含有较多对人体有益的微量元素和矿物质;3、具有严格的质量控制。在过去7年中,中国在全球瓶装水市场所占的份额翻了一番。去年,中国和美国之间的差距约为20亿升,但是现在中国预计将领先美国10 亿升。但是,按人均计算的景象则大不相同。中国低于全球人均30升瓶装水的消费量。以10多亿人口来计算,中国的人均消费量仅为美国的五分之一,这意味着未来还有很大的增长空间。
市场上大部分矿泉水属于锶型和偏硅酸型,同时也有其他矿物质成分的矿泉水。但是在山中矿泉水中含有大量的有机质,而且水中的铁离子超出国家标准,需要进行进化处理。通过物理、化学、生物的手段,去除水中一些对生产、生活等不需要的有害物质的过程。
发明内容
本发明提供一种优质矿泉水的生产工艺,口感好、保鲜效果好。
为了解决上述技术问题,本发明的技术方案为:
一种优质矿泉水的生产工艺,其特征在于:包括以下步骤:
(1)采集源水:采用深井泵讲矿泉水提升至地面灌入矿泉水源水罐内;
(2)源水初滤:源水依次经过活性炭过滤装置、锰砂过滤装置、PP棉滤芯过滤装置、RO反渗透膜过滤装置、椰壳活性炭滤芯过滤装置进行初滤;(3)源水曝气:通过文丘里管向源水中冲入无菌的压缩空气,充气标准为100~200升空气/吨水;再注入曝气罐,达到曝气罐体2/3~3/4高度后停止进水,通过曝气罐内的曝气装置向源水中以每小时100~300立方米空气标准连续通入无菌的压缩空气,充分曝气2~3小时,然后沉淀静止8~10小时;(4)超滤处理:讲步骤(3)进行曝气处理后的源水依次通过钛金属滤芯过滤装置和超滤膜超滤装置进行过滤,其中钛金属滤芯过滤装置进水口设有高压泵;(5)杀菌消毒:将步骤(4)中超滤过的矿泉水先使用臭氧进行杀菌,杀菌时,水中臭氧含量达到0.02~0.03mg/L,对水的压强为1~1.2个标准大气压,再使用紫外线消毒,紫外线强度为110~120μW/cm2,再经过微电解杀菌器进行灭菌;(6)无菌灌装:将通过步骤(5)杀菌消毒后的矿泉水储存在成品水罐里,成品水罐与灌装设备联通设置。
进一步的,步骤(1)中所述矿泉水原水罐为不锈钢罐体,罐体内设有清洗装置,底部设有排污装置。
进一步的,步骤(2)中所述活性炭过滤装置的罐体为不锈钢或玻璃钢罐体。
进一步的,所述活性炭过滤装置内的活性炭滤芯为可拆卸安装。
进一步的,步骤(2)中所述PP棉滤芯过滤装置的PP棉滤芯孔隙为 0.8~1.2um。所述RO反渗透膜过滤装置的RO反渗透膜的孔隙为 0.08~0.12nm。步骤(2)中所述椰壳活性炭滤芯过滤装置内的水流速度为 15~18m3/h。
进一步的,步骤(4)中的超滤膜超滤装置内设有纳滤渗透膜过滤层。
更进一步的,步骤(4)中钛金属滤芯过滤装置内设有0.45~5μmHD钛棒过滤芯。
采用上述技术方案,。本方案具有如下优点:
(1)源水罐为不锈钢罐体,水中的氯气对不锈钢有锈蚀作用,无需消毒,只要清洗,每周或隔周清洗一次,通过排污装置将清洗的污水排出罐体。
(2)使用活性炭过滤,活性炭具有很高的吸附能力,可以去除如游离余氯一类对阳离子交换剂有害的物质,并能够去除63%~86%的胶体物质、50%左右的铁及47%~60%的有机物质,以及重金属离子有效降低水的色度。
(3)使用PP棉滤芯除去水中较小的颗粒、悬浮物及胶体等,随后进入RO 反渗透膜,可以除去水中细菌、病毒、重金属离子等有害物质;在进入椰壳活性炭滤芯,调节水的口味。
(4)利用纳滤渗透膜的分离特性,可以有效的去除水中的溶解盐、胶体、有机物、细菌和病毒等,纳滤膜比反渗透膜优异之处,在于除去有害物质相同之下,纳滤膜保留了水分子中人体所需生命元素,有纯净水的口感和矿泉水的微量元素。
(5)钛棒过滤芯是以粉末钛烧结而成,具有抗化学腐蚀,耐高温、耐氧化、寿命长,易清洗,课再生的特点。
(6)采用臭氧、紫外线杀菌和微电解杀菌的组合,处理过的水溶氧量大,增加了水的活性,能抑制细菌生长,课持续保险,有效保证水的新鲜和饮用卫生安全。
具体实施方式
下面对本发明的具体实施方式作进一步说明。在此需要说明的是,对于这些实施方式的说明用于帮助理解本发明,但并不构成对本发明的限定。此外,下面所描述的本发明各个实施方式中所涉及的技术特征只要彼此之间未构成冲突就可以相互组合。
一种优质矿泉水的生产工艺,包括以下步骤:
(1)采集源水:采用深井泵讲矿泉水提升至地面灌入矿泉水源水罐内。所述矿泉水原水罐为不锈钢罐体,罐体内设有清洗装置,底部设有排污装置。所述活性炭过滤装置的罐体为不锈钢或玻璃钢罐体。
(2)源水初滤:源水依次经过活性炭过滤装置、锰砂过滤装置、PP棉滤芯过滤装置、RO反渗透膜过滤装置、椰壳活性炭滤芯过滤装置进行初滤。所述活性炭过滤装置内的活性炭滤芯为可拆卸安装。所述PP棉滤芯过滤装置的 PP棉滤芯孔隙为0.8~1.2um。所述RO反渗透膜过滤装置的RO反渗透膜的孔隙为0.08~0.12nm。所述椰壳活性炭滤芯过滤装置内的水流速度为15~18m3/h。
(3)源水曝气:通过文丘里管向源水中冲入无菌的压缩空气,充气标准为100~200升空气/吨水;再注入曝气罐,达到曝气罐体2/3~3/4高度后停止进水,通过曝气罐内的曝气装置向源水中以每小时100~300立方米空气标准连续通入无菌的压缩空气,充分曝气2~3小时,然后沉淀静止8~10小时。
(4)超滤处理:讲步骤(3)进行曝气处理后的源水依次通过钛金属滤芯过滤装置和超滤膜超滤装置进行过滤,其中钛金属滤芯过滤装置进水口设有高压泵。超滤膜超滤装置内设有纳滤渗透膜过滤层。钛金属滤芯过滤装置内设有 0.45~5μmHD钛棒过滤芯。
(5)杀菌消毒:将步骤(4)中超滤过的矿泉水先使用臭氧进行杀菌,杀菌时,水中臭氧含量达到0.02~0.03mg/L,对水的压强为1~1.2个标准大气压,再使用紫外线消毒,紫外线强度为110~120μW/cm2,再经过微电解杀菌器进行灭菌。
(6)无菌灌装:将通过步骤(5)杀菌消毒后的矿泉水储存在成品水罐里,成品水罐与灌装设备联通设置。
天然水中包括泥沙、黏土、藻类、细菌及动植物的肢体等不溶物质,
如果原水中的钙、镁离子含量较高时,增加的软水装置可以过滤,目的在于保护后级的反渗透膜不受大颗粒物质的破坏,从而延长反渗透膜的使用寿命。
膜分离技术是一门新兴的高效分离、浓缩、提纯、净化技术,其主要特点是节能(因为膜分离过程不发生相变化)、分离对象广(有机物和无机物、病毒、细菌、微粒)、装置简单、易操作、易于自控、易维修(因为只是用压力作为膜分离的推动力)。
原水经处理后大部分细菌、微生物和有害物质都被截留。但仍有部分留在水中,所以必须经过消毒工艺。臭氧灭菌为溶菌级方法,杀菌彻底,无残留,杀菌广谱,可杀灭细菌繁殖体和芽孢、病毒、真菌等,并可破坏肉毒杆菌毒素。另外,O3对霉菌也有极强的杀灭作用。O3由于稳定性差,很快会自行分解为氧气或单个氧原子,而单个氧原子能自行结合成氧分子,不存在任何有毒残留物,所以,O3是一种无污染的消毒剂。O3为气体,能迅速弥漫到整个灭菌空间,灭菌无死角。
以上对本发明的实施方式作了详细说明,但本发明不限于所描述的实施方式。对于本领域的技术人员而言,在不脱离本发明原理和精神的情况下,对这些实施方式进行多种变化、修改、替换和变型,仍落入本发明的保护范围内。
Claims (9)
1.一种优质矿泉水的生产工艺,其特征在于:包括以下步骤:
(1)采集源水:采用深井泵讲矿泉水提升至地面灌入矿泉水源水罐内;
(2)源水初滤:源水依次经过活性炭过滤装置、锰砂过滤装置、PP棉滤芯过滤装置、RO反渗透膜过滤装置、椰壳活性炭滤芯过滤装置进行初滤;
(3)源水曝气:通过文丘里管向源水中冲入无菌的压缩空气,充气标准为100~200升空气/吨水;再注入曝气罐,达到曝气罐体2/3~3/4高度后停止进水,通过曝气罐内的曝气装置向源水中以每小时100~300立方米空气标准连续通入无菌的压缩空气,充分曝气2~3小时,然后沉淀静止8~10小时;
(4)超滤处理:讲步骤(3)进行曝气处理后的源水依次通过钛金属滤芯过滤装置和超滤膜超滤装置进行过滤,其中钛金属滤芯过滤装置进水口设有高压泵;
(5)杀菌消毒:将步骤(4)中超滤过的矿泉水先使用臭氧进行杀菌,杀菌时,水中臭氧含量达到0.02~0.03mg/L,对水的压强为1~1.2个标准大气压,再使用紫外线消毒,紫外线强度为110~120μW/cm2,再经过微电解杀菌器进行灭菌;
(6)无菌灌装:将通过步骤(5)杀菌消毒后的矿泉水储存在成品水罐里,成品水罐与灌装设备联通设置。
2.如权利要求1所述的一种优质矿泉水的生产工艺,其特征在于:步骤(1)中所述矿泉水原水罐为不锈钢罐体,罐体内设有清洗装置,底部设有排污装置。
3.如权利要求1所述的一种优质矿泉水的生产工艺,其特征在于:步骤(2)中所述活性炭过滤装置的罐体为不锈钢或玻璃钢罐体。
4.如权利要求3所述的一种优质矿泉水的生产工艺,其特征在于:所述活性炭过滤装置内的活性炭滤芯为可拆卸安装。
5.如权利要求1所述的一种优质矿泉水的生产工艺,其特征在于:步骤(2)中所述PP棉滤芯过滤装置的PP棉滤芯孔隙为0.8~1.2um。
6.如权利要求1所述的一种优质矿泉水的生产工艺,其特征在于:步骤(2)中所述RO反渗透膜过滤装置的RO反渗透膜的孔隙为0.08~0.12nm。
7.如权利要求1所述的一种优质矿泉水的生产工艺,其特征在于:步骤(2)中所述椰壳活性炭滤芯过滤装置内的水流速度为15~18m3/h。
8.如权利要求1所述的一种优质矿泉水的生产工艺,其特征在于:步骤(4)中的超滤膜超滤装置内设有纳滤渗透膜过滤层。
9.如权利要求1所述的一种优质矿泉水的生产工艺,其特征在于:步骤(4)中钛金属滤芯过滤装置内设有0.45~5μmHD钛棒过滤芯。
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