WO2012155353A1 - 一种节水型反渗透纯水机 - Google Patents

一种节水型反渗透纯水机 Download PDF

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Publication number
WO2012155353A1
WO2012155353A1 PCT/CN2011/074302 CN2011074302W WO2012155353A1 WO 2012155353 A1 WO2012155353 A1 WO 2012155353A1 CN 2011074302 W CN2011074302 W CN 2011074302W WO 2012155353 A1 WO2012155353 A1 WO 2012155353A1
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WIPO (PCT)
Prior art keywords
water
reverse osmosis
pressure
purifying machine
pure water
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Application number
PCT/CN2011/074302
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English (en)
French (fr)
Inventor
侯贻直
聂旻
郑明明
Original Assignee
艾欧史密斯（上海）水处理产品有限公司
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Priority to PCT/CN2011/074302 priority Critical patent/WO2012155353A1/zh
Publication of WO2012155353A1 publication Critical patent/WO2012155353A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/60—Cleaning devices
    • A47J31/605—Water filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/12—Controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C02F9/20—Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/003—Downstream control, i.e. outlet monitoring, e.g. to check the treating agents, such as halogens or ozone, leaving the process
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/40—Liquid flow rate

Definitions

  • the present invention relates to a household water purification device, and more particularly to a water-saving reverse osmosis pure water machine. Background technique
  • Table 1 Wastewater ratio test and results under actual working conditions of 50G and 75G reverse osmosis pure water machine
  • the total working capacity of the 2 50G pressure tank is 9.4L, and the wastewater ratio of the empty barrel is 1:7.
  • the existing reverse osmosis pure water machine has a problem of serious waste of water, and in particular, there is a problem that the less the disposable water, the higher the proportion of the waste water, and the more serious the waste of water.
  • the technical problem to be solved by the present invention is to provide a water-saving reverse osmosis pure water machine to overcome the deficiencies of the prior art.
  • a water-saving reverse osmosis pure water machine the pipeline is equipped with an initial filter device, a front low pressure switch, a water inlet solenoid valve, a reverse osmosis filter, a high pressure switch, a pressure water storage tank, and a post activated carbon
  • the filter and the water outlet faucet, the front low-voltage switch, the water inlet solenoid valve and the high-voltage switch are all electrically connected to the computer case, and the utility model further comprises: electrically connecting with the computer case for monitoring the water volume of the pressure storage bucket and making the computer case Start and stop the water outlet monitor of the water purifier according to the monitoring results.
  • the water outlet monitor is a flow meter disposed between the rear activated carbon filter and the water outlet tap.
  • the effluent monitor is a post-low pressure switch disposed between the pressure water storage tank and the rear activated carbon.
  • the water outlet monitor is a water level gauge and is disposed in the pressure water storage tank.
  • the detector for monitoring the water discharge amount of the pressure storage bucket since the detector for monitoring the water discharge amount of the pressure storage bucket is added, and the start and stop of the pure water machine is controlled by the computer box according to the monitoring result, the pure water machine releases the prescribed amount in the pressure storage bucket. After the pure water is started, the work of manufacturing pure water is started, and the shortcoming of opening the tap (that is, the pressure storage bucket releases pure water) causes the pure water machine to start the water production work, thereby avoiding the disposable water consumption and the waste water discharge.
  • the problem of high proportion can make the pure water machine always carry out water production with the minimum proportion of wastewater discharge, thus greatly reducing the waste of water. Therefore, the present invention solves the problem of low water consumption at one time and high discharge ratio of waste water, and has the advantage of saving water.
  • FIG. 1 is a schematic view showing a pipe connection structure of Embodiment 1;
  • Embodiment 2 is a schematic diagram of an electrical control structure of Embodiment 1;
  • Embodiment 3 is a schematic view showing a pipeline connection structure of Embodiment 2;
  • a water-saving reverse osmosis pure water machine of the present invention comprises a water inlet tee 1 in series, a two-point ball valve 2, a 5 ⁇ m PP cotton filter 3, and a front low pressure.
  • Switch 4 particle activated carbon filter 5, 1 ⁇ m PP cotton filter 6, water inlet solenoid valve 7, booster pump 8, reverse osmosis filter 9; reverse osmosis filter 9 has a pure water outlet 91 and a waste water outlet 92, The waste water outlet 92 is connected to the parallel water discharge proportional regulator 15 and the flushing solenoid valve 16 through a three-way, and the pure water outlet 91 is connected to the high-pressure switch 10, and the outlet of the high-pressure switch 10 is divided into two paths, one is connected to the pressure storage tank 11, and the other is connected.
  • the rear activated carbon filter 12, the flow meter 13, and the water outlet faucet 14 are sequentially connected. Among them, 5 ⁇ ⁇ cotton filter 3, granular activated carbon filter 5, 1 ⁇ mPP cotton filter 6 constitutes the initial filtration device.
  • the computer case 17 is further provided in the casing of the water purifier. As shown in FIG. 2, the computer case 17 has a casing (not shown), and the casing 1701 includes a microprocessor 1701.
  • the relays 1702, 1703, the integrated circuit of the memory 1705, and the control panel 1704 and the display panel 1706 are disposed on the casing. Two of the relays 1702, 1703, the display panel 1706 are electrically connected to the output end of the microprocessor 1701, and the front low voltage switch 4, the high voltage switch 10, the flow meter 13, and the control panel 1704 are respectively.
  • the input end of the processor 1701 is electrically connected, and the output end of the relay 1702 is electrically connected to the booster pump 7 and the water inlet solenoid valve 8.
  • the output end of the relay 1703 is electrically connected to the flushing solenoid valve 15, and the memory 1705 is responsible for receiving the microprocessor 1701.
  • the signal is also responsible for signaling the signal received by the microprocessor 1701.
  • the computer case is provided with a program for controlling the inlet solenoid valve 7, the booster pump 8, and the flushing solenoid valve 15 according to the monitoring signals of the front low pressure switch 4, the high pressure switch 10, and the flow meter 13.
  • the program sets a water discharge amount of the pressure storage tank 11 (the water output value generally corresponds to a minimum wastewater discharge ratio), and when the flow meter 13 detects that the water output value of the pressurized water storage tank 11 reaches The program setting value, the computer box will start the pure water machine for water production, otherwise the pure water machine will always be in the stop state, so that after the water tap is turned on, the pure water machine will not start immediately to replenish water. This avoids the problem of low disposable water consumption and high wastewater discharge rate, reduces waste water discharge, and achieves water saving.
  • Embodiment 1 As shown in FIG. 3, the difference between this embodiment and Embodiment 1 is that the flow meter 13 is replaced by a rear low pressure switch 18, which is disposed in the pressure water storage tank 11 and the rear. Between activated carbon filters 12. Correspondingly, the corresponding input of the microprocessor 1701 is connected to the rear low voltage switch 18 instead of the flow meter 13.
  • the other structure is the same as that of Embodiment 1, and will not be described again here.
  • the computer box is equipped with a program for controlling the water inlet solenoid valve 7, the booster pump 8, and the flushing solenoid valve 15 according to the monitoring signals of the front low pressure switch 4, the high pressure switch 10, and the rear low pressure switch 18.
  • a low pressure threshold value of the pressure water storage tank 11 is set in the program (the low pressure threshold value generally corresponds to a minimum wastewater discharge ratio), and when the rear low pressure switch 18 detects that the water pressure of the pressurized water storage tank 11 reaches The program setting value, the computer box will start the pure water machine for water production, otherwise the pure water machine will always be in the stop state, so that after the water tap is turned on, the pure water machine will not start immediately to replenish water. This avoids the problem of low disposable water consumption and high wastewater discharge rate, reduces wastewater discharge, and achieves the purpose of water saving.
  • Embodiment 1 As shown in FIG. 4, the difference between this embodiment and Embodiment 1 is that the water level gauge 19 is used instead of the flow meter 13, which is disposed in the pressure water storage tank U, and the water level gauge 19 is used to monitor the pressure storage tank ii. The amount of water thus controls the start of the water purifier.
  • the present invention increases the detector for monitoring the pressure water storage tank (ie, the flow meter 13, the rear low pressure switch 18, the water level gauge 19), and the computer box is based on the monitoring result. Controlling the start and stop of the pure water machine, so that the pure water machine starts the work of manufacturing pure water after releasing the prescribed amount of pure water in the pressure storage bucket, avoiding the opening of the water tap (ie, the pressure storage bucket releases pure water)
  • the shortcomings of the pure water machine to start the water production work thereby avoiding the problem that the disposable water is small and the wastewater discharge ratio is high, so that the pure water machine can always perform the water production work with the minimum wastewater discharge ratio, thereby greatly reducing the water. Waste. Therefore, the present invention solves the problem of low disposable water consumption and high discharge ratio of wastewater, and has the advantage of saving water.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food Science & Technology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Water Treatment By Sorption (AREA)

Description

一种节水型反渗透纯水机 技术领域
[0001 ] 本发明涉及家庭净水设备，尤其涉及一种节水型反渗透纯水机。 背景技术
[0002] 目前市场上带压力储水桶的纯水机，包括普通 50G反渗透纯水机或 75G反渗透纯 水机都存在废水排放量较大的问题，在实际使用过程中可能会出现 5 ： 1甚至更高的废水 比例，尤其每次用水量较小的时候，产生的废水越大。 另外，反复地接水将使得增压泵频繁 地启动而影响其使用寿命。 为模拟机器在日常使用中的工作状况，测试机器实际工作时的 废水比，采用如下方式进行测试：
[0003] 1. 在机器压力储水桶水满高压起跳后，轻压纯水龙头开关打开纯水龙头，放出纯 水 540ml，松手后机器起跳开始工作，按下秒表，收集所有的废水。在机器压力储水桶水满高 压起跳后，停止计时，计量收集的废水总量，记录总运行时间，计算这 500ml纯水制水过程 中纯水平均流量及废水比。
[0004] 2. 如上，依次在压力桶水满起跳后放出纯水 600ml、1350ml、2000ml、3000ml、 5000ml、9000ml，收集每次放水到压力桶水满高压再次起跳期间的所有废水，并计时，计算 用户在一次性用水为这些流量时的实际废水比，并列表进行统计，如下表所示。
[0005] 表 1 :50G与 75G反渗透纯水机实际工况下废水比测试及结果
[0006]
Figure imgf000003_0001
[0007]
[0008] 从卜.表统计的测量结果看出：
[0009] ①一次性用水越少，废水比越高，随着一次性用水量增加，平均废水比越少，但纯 废比均高于 1 ： 3。
[0010] ② 50G压力桶工作总容量为 9. 4L，空桶制水时废水比为 1 ： 3. 7。
[001 1 ] ③ 75G压力桶工作总容量为 9. 2L，空桶制水时废水比为 1 ： 3. 1。
[0012] 因此，现有的反渗透纯水机存在严重浪费水的问题，尤其存在一次性用水越少，废 水比例越高，浪费水越严重的问题。 发明内容
[0013] 本发明所要解决的技术问题是提供一种节水型反渗透纯水机，以克服现有技术存 在不足。
[0014] 为了解决上述技术问题，本发明采用如下的技术方案：
[0015] 一种节水型反渗透纯水机，其管路中安装有初过滤装置、前置低压开关、进水电磁 阀、反渗透过滤器，高压开关、压力储水桶、后置活性碳过滤器以及出水龙头，所述前置低压 开关、进水电磁阀、高压开关均与电脑盒电连接，其特征在于：还包括与电脑盒电连接用于 监测压力储水桶出水量而使电脑盒根据监测结果启停纯水机的出水监测器。
[0016] 所述出水监测器为流量计，设置在后置活性炭过滤器和出水龙头之间。
[001 7] 所述出水监测器为后置低压开关，设置在压力储水桶和后置活性炭之间。
[0018] 所述出水监测器为水位计，设置在压力储水桶中。
[0019] 采用上述技术方案，由于增加了监测压力储水桶出水量的检测器，并且由电脑盒 根据监测结果来控制纯水机的启停，这样就使得纯水机在压力储水桶放出规定量的纯水后 才启动制造纯水的工作，避免了一开启出水龙头（即压力储水桶一放出纯水）就导致纯水 机启动制水工作的缺点，进而避免了一次性用水少而废水排放比例高的问题，可以做到使 纯水机始终以最小废水排放比例进行制水工作，从而极大地减小水的浪费。因此，本发明解 决一次性用水少而废水排放比例高的问题，具有节水的优点。 附图说明
[0020] 下面结合附图和具体实施方式对本发明进行详细说明：
[0021 ] 图 1为实施例 1的管路连接结构示意图；
[0022] 图 2为实施例 1电气控制结构示意图；
[0023] 图 3为实施例 2的管路连接结构示意图；
[0024] 图 4为实施例 3的管路连接结构示意图。 具体实施方式
[0025] 实施例 1
[0026] 如图 1所示，本发明的一种节水型反渗透纯水机，包括依次串接的进水三通 1，两 分球阀 2， 5 μ mPP棉过滤器 3，前置低压开关 4，颗粒活性碳过滤器 5， 1 μ mPP棉过滤器 6，进 水电磁阀 7，增压泵 8，反渗透过滤器 9；反渗透过滤器 9具有纯水出口 91和废水出口 92，废 水出口 92通过一个三通与并联的废水比例调节器 15和冲洗电磁阀 16连接，纯水出口 91 连接高压开关 10，该高压开关 10出口分两路，一路与压力储水桶 11连接，另一路依次连接 后置活性碳过滤器 12、流量计 13和出水龙头 14。 其中， 5 μ πιΡΡ棉过滤器 3，颗粒活性碳过 滤器 5， 1 μ mPP棉过滤器 6构成了初过滤装置。
[0027] 该纯水机的机壳内还设有电脑盒 17，如图 2所示，电脑盒 17内有盒壳（图中未显 示），在盒壳内包含有微处理器 1701，两个继电器 1702、 1703，存储器 1705的集成电路，盒壳 上设有控制面板 1704和显示板 1706。 其中两个继电器 1702、 1703，显示板 1706与微处理 器 1701的输出端电连接，前置低压开关 4、高压开关 10、流量计 13、控制面板 1704分别与微 处理器 1701的输入端电连接，继电器 1702的输出端同时电连接增压泵 7和进水电磁阀 8， 继电器 1703的输出端电连接冲洗电磁阀 15，存储器 1705既负责接收微处理器 1701发出的 信号，也负责发出微处理器 1701接收的信号。
[0028] 该电脑盒内装有根据前置低压开关 4、高压开关 10、流量计 13监测信号来控制进 水电磁阀 7，增压泵 8，冲洗电磁阀 15工作的程序。尤其是在实施例中，程序中设定一个压力 储水桶 11的出水量值（该出水量值一般对应最小的废水排放比例），当流量计 13监测到压 水储水桶 11的出水量值达到程序设定值，电脑盒就会启动纯水机进行制水工作，否则纯水 机会始终处于停机状态，从而实现开启出水龙头后，纯水机不会立即启动而进行补水。这样 就避免了一次性用水小而废水排放比例高的问题，减少了废水的排放，实现了节水的目的。
[0029] 实施例 2
[0030] 如图 3所示，本实施例与实施例 1不同的地方在于，所述流量计 13替换成一个后 置低压开关 18，该后置低压开关 18设置在压力储水桶 11和后置活性碳过滤器 12之间。相 应地，微处理器 1701相应的输入端连接的是后置低压开关 18，而不是连接流量计 13。其它 结构和实施例 1相同，这里不再累述。
[0031 ] 相应地，电脑盒内装有根据前置低压开关 4、高压开关 10、后置低压开关 18监测信 号来控制进水电磁阀 7，增压泵 8，冲洗电磁阀 15工作的程序。 在本实施例中，程序中设定 一个压力储水桶 11的低压临界值（该低压临界值一般对应最小的废水排放比例），当后置 低压开关 18监测到压水储水桶 11的水压达到程序设定值，电脑盒就会启动纯水机进行制 水工作，否则纯水机会始终处于停机状态，从而实现开启出水龙头后，纯水机不会立即启动 而进行补水。这样就避免了一次性用水小而废水排放比例高的问题，减少了废水的排放，实 现了节水的目的。
[0032] 实施例 3
[0033] 如图 4所示，本实施例与实施例 1不同地方在于用水位计 19代替流量计 13，将其 设置在压力储水桶 U中，用水位计 19来监测压力储水桶 i i的出水量从而控制纯水机的启 动。
[0034] 通过上述实施例，可以看出，本发明通过增加监测压力储水桶出水量的检测器 (即流量计 13、后置低压开关 18，水位计 19)，并由电脑盒根据监测结果来控制纯水机的启 停，这样就使得纯水机在压力储水桶放出规定量的纯水后才启动制造纯水的工作，避免了 一开启出水龙头（即压力储水桶一放出纯水）就导致纯水机启动制水工作的缺点，进而避 免了一次性用水少而废水排放比例高的问题，可以做到使纯水机始终以最小废水排放比例 进行制水工作，从而极大地减小水的浪费。因此，本发明解决一次性用水少而废水排放比例 高的问题，具有节水的优点。
[0035] 但是，本领域技术人员应该认识到，上述的具体实施方式只是示例性的，是为了更 好的使本领域技术人员能够理解本专利，不能理解为是对本专利包括范围的限制，只要是 根据本专利所揭示精神的所作的任何等同变更或修饰，均落入本专利包括的范围。

Claims

权 利 要 求 书
1. 一种节水型反渗透纯水机，其管路中安装有初过滤装置、前置低压开关、进水电磁 阀、反渗透过滤器，高压开关、压力储水桶、后置活性碳过滤器以及出水龙头，所述前置低压 开关、进水电磁阀、高压开关均与电脑盒电连接，其特征在于：还包括与电脑盒电连接用于 监测压力储水桶出水量而使电脑盒根据监测结果启停纯水机的出水监测器。
2. 根据权利要求 1所述的节水型反渗透纯水机，其特征在于：所述出水监测器为流量 计，设置在后置活性炭过滤器和出水龙头之间。
3. 根据权利要求 1所述的节水型反渗透纯水机，其特征在于：所述出水监测器为后置 低压开关，设置在压力储水桶和后置活性炭之间。
4. 根据权利要求 1所述的节水型反渗透纯水机，其特征在于：所述出水监测器为水位 计，设置在压力储水桶中。
2
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