CN101597110B - 一种抗污染反渗透纯水机 - Google Patents
一种抗污染反渗透纯水机 Download PDFInfo
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- CN101597110B CN101597110B CN2009101005425A CN200910100542A CN101597110B CN 101597110 B CN101597110 B CN 101597110B CN 2009101005425 A CN2009101005425 A CN 2009101005425A CN 200910100542 A CN200910100542 A CN 200910100542A CN 101597110 B CN101597110 B CN 101597110B
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- water
- filtration
- reverse osmosis
- membrane
- purification machine
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 208
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 78
- 238000000746 purification Methods 0.000 title claims abstract description 37
- 239000012528 membrane Substances 0.000 claims abstract description 84
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 35
- 239000002131 composite material Substances 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims description 41
- 239000002351 wastewater Substances 0.000 claims description 36
- 230000004907 flux Effects 0.000 claims description 11
- 238000011010 flushing procedure Methods 0.000 claims description 8
- 238000002203 pretreatment Methods 0.000 claims description 6
- 230000003078 antioxidant Effects 0.000 claims description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 5
- 235000006708 antioxidants Nutrition 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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- 230000001627 detrimental Effects 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N glycol Chemical compound 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OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N magnesium Chemical compound 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Abstract
本发明提供了一种抗污染反渗透纯水机。它解决了现有的纯水机制出的水质质量差、容易造成二次污染等问题。本纯水机包括进水阀、前置过滤装置、增压泵、后置过滤装置以及出水龙头，进水阀的进水端与水源连接，进水阀的出水端与前置过滤装置的进水端连通，前置过滤装置的出水端依次串接有低压开关与电磁阀，增压泵的进水端连接在电磁阀的出水端，后置过滤装置连接在增压泵与出水龙头之间，在出水龙头与增压泵之间连接高压开关，水进入后置过滤装置然后流经高压开关，最后从出水龙头流出。本纯水机的优点在于超滤膜做前置预处理，简化了预处理工艺，用亲水膜复合滤芯代替传统活性炭滤芯，避免了因单一活性炭滤芯带来的二次污染问题。
Description
一种抗污染反渗透纯水机
技术领域
[0001] 本发明属于生活用水净化处理技术领域，涉及家用净水设备，尤其涉及一种抗污染反渗透纯水机。
背景技术
[0002] 水资源是人类赖以生存的基本物质，但是由于大量排放的工业废水和生活污 水，使部分江河、湖泊污染严重，人们的饮用水已遭到各种病菌、重金属及化合物等危 害人体健康的毒素污染，随着人们生活水平的提高，现代人对自身的健康也越来越重 视，尤其在饮水与健康方面，人们对家庭用水水质的要求越来越高，自来水已经无法满 足人们对于饮用水的要求，饮用对自来水进行二次处理后的饮用水对健康十分重要的观 点，已经被普遍接受，因此便开发出许多饮用水过滤净化处理设备，以提供人们安全卫 生的饮用水。但是传统的纯水机主要存在着以下几个问题：1、源水经过反渗透膜过滤装 置处理后会产生比例为1 ： 3的纯水和浓缩水，而所占比例高达四分之三的浓缩水则直接 作为废水排放掉，从而造成严重的源水浪费；2、经过纯化处理后的纯水储存于压力储水 桶，如果较长时间内未曾取水饮用，则压力储水桶内的纯水亦有可能孳生细菌，从而影 响纯水的安全卫生；3、纯水机使用一段时间后，反渗透膜容易发生化学垢、有机物及胶 体污染、微生物污染等污染，如长时间不清洗或清洗不及时，则会损害反渗透膜，从而 影响反渗透膜过滤装置的使用寿命。针对传统反渗透纯水机使用过程中所存在的问题， 人们对其进行相应的改进，如中国专利文献[公告号：CN200987789Y]所公开的一种节 水型反渗透净水器，包括依次串接的5umPP棉过滤器，低压开关，进水电磁阀，颗粒活 性碳过滤器，IumPP棉过滤器，水泵，反渗透过滤器；反渗透过滤器具有废水出口和纯 水出1 ： 2，废水出口通过一个三通与并联的废水比例调节器和冲洗电磁阀连接，纯水出 口连接高压开关，该高压开关然后分两路，一路与压力储水桶连接，一路经后置活性碳 过滤器连接出水龙头，其特征是：所述反渗透过滤器内设有75GPD反渗透膜。可以看 出该净水器预处理具有以下几个缺点：1、是采用多级过滤滤芯结构，将多个滤芯串联连 接，前置预处理工艺复杂，导致整机体积偏大，影响产品安装维护及推广，而且很容易 让细菌和病毒在滤芯内滋生，造成二次污染，导致反渗透膜因进水细菌过高寿命下降过 快。用活性炭做后置处理，很难避免因活性炭的多孔结构和吸附特性引起的二次污染问 题；2、为满足用水量，必须使用压力储水桶辅助供水，因此，压力储水桶的二次污染问 题无法避免；3、用活性炭过滤器做后置处理，很难避免因活性炭过滤器的多孔结构和吸 附特性引起的二次污染问题。因此还需要对现有的纯水机进行改进。
发明内容
[0003] 本发明所要解决的技术问题是针对现有技术的现状，而提供原水利用率高、使 用寿命长、废水利用率高、水质质量高，且能够延长反渗透膜使用寿命的一种抗污染反 渗透纯水机。[0004] 本发明解决上述技术问题所采用的技术方案为：一种抗污染反渗透纯水机，该 纯水机包括进水阀、前置过滤装置、增压泵、后置过滤装置以及出水龙头，进水阀的进 水端与水源相连接并控制水源的开启和关闭，具体技术措施还包括：进水阀的出水端与 前置过滤装置的进水端相连通，前置过滤装置的出水端依次串接有低压开关与电磁阀， 低压开关的出水端与电磁阀的进水端连接，增压泵的进水端连接在电磁阀的出水端，后 置过滤装置连接在增压泵与出水龙头之间，在出水龙头与增压泵之间还连接有高压开 关，增压泵对水进行抽吸和增压后进入后置过滤装置内完成反渗透过滤，然后流经高压 开关后，最后从出水龙头流出。
[0005] 为优化上述方案采取的措施具体包括：
[0006] 在上述的一种抗污染反渗透纯水机中，前置过滤装置为设置在进水阀与低压开 关之间的至少一个的超滤膜，进水阀的出水端与超滤膜的进水端相连通，超滤膜完成水 源的预处理后其净化水从出水端流出。
[0007] 在上述的一种抗污染反渗透纯水机中，后置过滤装置为反渗透膜。
[0008] 在上述的一种抗污染反渗透纯水机中，反渗透膜的滤芯为抗氧化大通量反渗透膜。
[0009] 在上述的一种抗污染反渗透纯水机中，反渗透膜的一端上还连接有由废水比和 冲洗阀构成的废水出水排出系统，废水比与冲洗阀并联后与反渗透膜相连接，当冲洗阀 关闭时，通过废水比的流量控制，完成反渗透膜的废水排放；当打开冲洗阀，水流不经 过废水比，直接完成对反渗透膜的冲洗。这里排出的废水可用作浇花、洗地之用。
[0010] 在上述的一种抗污染反渗透纯水机中，高压开关与出水龙头之间还连接有亲水 膜复合滤芯，亲水膜复合滤芯的进水端与高压开关的出水端连接，亲水膜复合滤芯的出 水端与出水龙头连接，水经反渗透膜完成反渗透过滤经高压开关后由亲水膜复合滤芯完 成最后一道过滤，最后从出水龙头流出。
[0011] 在上述的一种抗污染反渗透纯水机中，超滤膜的冲洗水出水端与自来水龙头相 连，其冲洗水从自来水龙头直接排出，并通过自来水龙头的开启和关闭完成超滤膜的冲洗。
[0012] 与现有技术相比，本发明的优点在于：
[0013] 1、超滤膜做前置预处理，简化了预处理工艺，提高了超滤膜的进水水质，减少 了微生物污染的可能性。
[0014] 2、使用超滤膜冲洗口与自来水龙头相连接，提高反渗透膜进水水质，延长反渗 透膜使用寿命，同时通过出水龙头的高频率放水，即使超滤膜得到充分的冲洗，延长超 滤膜的使用寿命，又使冲洗的废水得到充分利用，废水利用率高。
[0015] 3、反渗透膜为抗氧化大通量反渗透膜，抗污染能力强、水通量大，避免了传统 反渗透膜抗污染能力小、水通量小的缺陷。
[0016] 4、本纯水机无压力储水罐，避免了因压力罐所带来的二次污染问题。
[0017] 5、用亲水膜复合滤芯代替传统活性炭滤芯，避免了因单一活性炭滤芯带来的二 次污染问题。
[0018] 6、本纯水机最有效地去除了水中钙、镁、细菌、有机物、无机物、金属离子和 放射性物质等，从而使饮用水真正达到直饮标准，经过该纯水机净化出的水晶莹清澈、甜美甘醇。该装置适用于家庭和宾馆、酒店、医院等企事业单位饮用净水使用。 附图说明
[0019] 图1是本实施例中的净水原理示意图。 具体实施方式
[0020] 以下是本发明的具体实施例并结合附图，对本发明的技术方案作进一步的描 述，但本发明并不限于这些实施例。
[0021] 如图1所示，图中，1、进水阀；2、前置过滤装置；2a、超滤膜；3、低压开 关；4、电磁阀；5、增压泵；6、高压开关；7、后置过滤装置；7a、反渗透膜；8、亲 水膜复合滤芯；9、出水龙头；10、废水出水排出系统；10a、废水比；10b、冲洗阀； 11、自来水龙头。
[0022] 本一种抗污染反渗透纯水机，该纯水机包括进水阀1、前置过滤装置2、低压开 关3、电磁阀4、增压泵5、高压开关6、后置过滤装置7、亲水膜复合滤芯8、出水龙头 9以及废水出水排出系统10等。
[0023] 具体来说，进水阀1的进水端与水源相连接并控制水源的开启和关闭，进水阀1 的出水端与前置过滤装置2的进水端相连通，前置过滤装置2的出水端依次串接有低压开 关3与电磁阀4，低压开关3的出水端与电磁阀4的进水端连接，在本实施例中，前置过 滤装置2为设置在进水阀1与低压开关3之间的一个的超滤膜2a，进水阀1的出水端与超 滤膜2a的进水端相连通，超滤膜2a完成水源的预处理后其净化水从出水端流出，这里用 一个超滤膜2a初步除去源水中的杂质，并且用超滤膜2a代替了传统的多个的滤芯串联结 构，解决了传统纯水器的反渗透前的预处理工艺存在寿命短、水质差等缺陷，同时超滤 膜2a的滤芯采用较小的反渗透膜，由于细菌、病毒、重金属的直径都比反渗透膜的孔径 大，所以细菌、病毒、重金属等有害物质都能在水处理的过程中予以排除，使水质更加 甘纯甜美。为了延长提高反渗透膜7a进水水质，延长反渗透膜7a以及超滤膜2a的使用 寿命，在超滤膜2a的冲洗水出水端与自来水龙头11相连，其冲洗水从自来水龙头11直 接排出，并通过自来水龙头11的开启和关闭完成超滤膜2a的冲洗，这样通过大量的排水 和进水而达到了清洗超滤膜2a的目的。
[0024] 增压泵5的进水端连接在电磁阀4的出水端，后置过滤装置7连接在增压泵5与 出水龙头9之间，后置过滤装置7为反渗透膜7a，这里反渗透膜7a为抗氧化大通量反渗 透膜，利用逆渗透原理将水中所含无机盐、重金属、细菌、病毒等危害人体健康的物质 和纯水分离。由于反渗透膜7a是一种经过特殊工艺处理的亲水性反渗透膜，其抗污染能 力强、水通量大，避免了传统反渗透膜抗污染能力小、水通量小的缺陷。反渗透膜7a的 一端上还连接有由废水比IOa和冲洗阀IOb构成的废水出水排出系统10，废水比IOa与冲 洗阀IOb并联后与反渗透膜7a相连接，当冲洗阀IOb关闭时，通过废水比IOa的流量控 制，完成反渗透膜7a的废水排放；当打开冲洗阀10b，水流不经过废水比10a，直接完成 对反渗透膜7a的冲洗，这样便于冲刷反渗透膜7a表面沉积的污染物，提高反渗透膜7a的 使用寿命。这里克服了传统的纯水机将废水直接排出，而造成源水的浪费的缺点，当经 过适宜的循环制水后，开启冲洗阀IOb排入到废水桶中，排出的废水可用作浇花、洗地之用。
[0025] 为了防止纯水机的在水满时仍然继续工作，以及在水位低时自行恢复滤水工 作，在超滤膜2a与电磁阀4之间连接有低压开关3，出水龙头9与增压泵5之间还连接有 高压开关6，控制低压开关3和高压开关6均连接到微电脑控制系统上，由微电脑控制系 统进行控制。增压泵5对水进行抽吸和增压后进入后置过滤装置7内完成反渗透过滤， 然后流经高压开关6后，最后从出水龙头9流出。具体来说，高压开关6与出水龙头9 之间还连接有亲水膜复合滤芯8，用亲水膜复合滤芯8代替传统活性炭滤芯，避免了因单 一活性炭滤芯带来的二次污染问题。亲水膜复合滤芯8的进水端与高压开关6的出水端 连接，亲水膜复合滤芯8的出水端与出水龙头9连接，水经反渗透膜7a完成反渗透过滤 经高压开关6后由亲水膜复合滤芯8完成最后一道过滤，最后从出水龙头9流出。
[0026] 本一种抗污染反渗透纯水机的工作原理如下：
[0027] 当打开进水阀1，水流通过超滤膜2a进行前置过滤，并一次通过低压开关3、电 磁阀4后，由增压泵5完成进行抽吸和增压，增压后的水流通过反渗透膜7a完成反渗透 过滤，然后流经高压开关6后，再由亲水膜复合滤芯8完成最后一道过滤，最后从出水龙 头9流出。
[0028] 当因取水饮用而使管路中的水压降低到预定程度时，且进水水流过低时，低压 开关3将检测到的数据输送到微电脑控制系统，由微电脑控制系统完成数据处理并发出 相应指令，关闭电磁阀4，增压泵5不启动，这样防止增压泵5在无水的情况下进行空 转，从而损坏增压泵。当关闭出水龙头9时，水流在反渗透膜7a的后端产生高压，高压 开关6将检测到的数据输送到控制系统，由控制系统完成数据处理并发出相应指令，关 闭电磁阀4，增压泵5停止工作。
[0029] 本发明使用超滤膜做前置预处理，简化了预处理工艺，提高了超滤膜的进水水 质，减少了微生物污染的可能性，同时将超滤膜冲洗口与自来水龙头相连接，提高反渗 透膜进水水质，延长反渗透膜使用寿命，通过出水龙头的高频率放水，即使超滤膜得到 充分的冲洗，延长超滤膜的使用寿命，又使冲洗的废水得到充分利用，废水利用率高。 反渗透膜为抗氧化大通量反渗透膜，抗污染能力强、水通量大，避免传统反渗透膜抗污 染能力小、水通量小的缺陷。无压力储水罐，避免了因压力罐胶皮内胆带来的气味以及 所带来的二次污染问题。用亲水膜复合滤芯代替传统活性炭滤芯，避免了因单一活性炭 滤芯带来的二次污染问题。本纯水机最有效地去除了水中钙、镁、细菌、有机物、无机 物、金属离子和放射性物质等，使饮用水真正达到直饮标准，经过该纯水机净化出的水 晶莹清澈、甜美甘醇。该装置适用于家庭和宾馆、酒店、医院等企事业单位饮用净水使 用。
[0030] 本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术 领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式 替代，但并不会偏离本发明的精神所定义的范围。
[0031] 尽管本文较多地使用了 1、进水阀；2、前置过滤装置；2a、超滤膜；3、低压 开关；4、电磁阀；5、增压泵；6、高压开关；7、后置过滤装置；7a、反渗透膜；8、 亲水膜复合滤芯；9、出水龙头；10、废水出水排出系统；10a、废水比；10b、冲洗 阀；11、自来水龙头等术语，但并不排除使用其它术语的可能性。使用这些术语仅仅是为了更方便地描述和解释本发明的本质；把它们解释成任何一种附加的限制都是与本发 明精神相违背。
Claims (3)
1. 一种抗污染反渗透纯水机，该纯水机包括进水阀（1)、前置过滤装置（2)、增压泵 (5)、后置过滤装置（7)以及出水龙头（9)，所述的进水阀（1)的进水端与水源相连接并 控制水源的开启和关闭，其特征是，所述的进水阀（1)的出水端与前置过滤装置（2)的进 水端相连通，前置过滤装置（2)的出水端依次串接有低压开关（3)与电磁阀（4)，低压开 关（3)的出水端与电磁阀（4)的进水端连接，所述的增压泵（5)的进水端连接在电磁阀 (4)的出水端，所述的后置过滤装置（7)连接在增压泵（5)与出水龙头（9)之间，在出水 龙头（9)与增压泵（5)之间还连接有高压开关（6)，增压泵（5)对水进行抽吸和增压后进 入后置过滤装置（7)内完成反渗透过滤，然后流经高压开关（6)后，最后从出水龙头（9) 流出，所述的后置过滤装置（7)为反渗透膜（7a)，所述的反渗透膜（7a)的一端上还连接 有由废水比（IOa)和冲洗阀（IOb)构成的废水出水排出系统（10)，所述的废水比（IOa)与 冲洗阀（IOb)并联后与反渗透膜（7a)相连接，当冲洗阀（IOb)关闭时，通过废水比（IOa) 的流量控制，完成反渗透膜（7a)的废水排放；当打开冲洗阀（10b)，水流不经过废水比 (IOa),直接完成对反渗透膜（7a)的冲洗，所述的前置过滤装置（2)为设置在进水阀（1) 与低压开关⑶之间的至少一个的超滤膜（2a)，所述的进水阀⑴的出水端与超滤膜（2a) 的进水端相连通，所述的超滤膜（2a)完成水源的预处理后其净化水从出水端流出，所述 的超滤膜（2a)的冲洗水出水端与自来水龙头（11)相连，其冲洗水从自来水龙头（11)直 接排出，并通过自来水龙头（11)的开启和关闭完成超滤膜（2a)的冲洗。
2.根据权利要求1所述的一种抗污染反渗透纯水机，其特征是：所述的反渗透膜 (7a)的滤芯为抗氧化大通量反渗透膜。
3.根据权利要求1或2所述的一种抗污染反渗透纯水机，其特征是：所述的高压开 关（6)与出水龙头（9)之间还连接有亲水膜复合滤芯（8)，亲水膜复合滤芯⑶的进水端 与高压开关（6)的出水端连接，亲水膜复合滤芯（8)的出水端与出水龙头（9)连接，水经 反渗透膜（7a)完成反渗透过滤经高压开关（6)后由亲水膜复合滤芯（8)完成最后一道过 滤，最后从出水龙头（9)流出。
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| CN103073117A (zh) * | 2013-01-19 | 2013-05-01 | 慈溪市附海澄水电器厂 | 反渗透净水机 |
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| CN106186193A (zh) * | 2016-08-25 | 2016-12-07 | 浙江沁园水处理科技有限公司 | 反渗透净水器 |
| CN106673137B (zh) * | 2016-12-27 | 2019-12-06 | 北京四季沐歌太阳能技术集团有限公司 | 一种双膜长效制水系统 |
| CN110342658A (zh) * | 2018-04-03 | 2019-10-18 | 青岛海尔智能技术研发有限公司 | 气擦冲洗净水机 |
| CN110339721A (zh) * | 2018-04-03 | 2019-10-18 | 青岛海尔智能技术研发有限公司 | 气擦冲洗净水机 |
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