KR20200058853A - Method for providing soft water to water heating device - Google Patents

Abstract

According to the present invention, a soft water supplying method for a water heater comprises: a step (a) of installing an ion removal kit in communication with a main flow path for supplying raw water to the water heater that circulates or discharges water after heating the same; a step (b) of discharging soft water containing less ionic material than the raw water from the ion removal kit to the main flow path to supply the soft water to the water heater; and a step (c) of removing, by the ion removal kit, at least a part of the ionic material contained in the raw water supplied from the main flow path by an electric deionization method to generate the soft water.

Description

How to supply soft water to water heater {METHOD FOR PROVIDING SOFT WATER TO WATER HEATING DEVICE}

The present invention relates to a method for supplying soft water to a water heater.

Typical tap water contains ionic substances such as calcium ions (Ca ²⁺ ) or magnesium ions (Mg ²⁺ ). Water containing ionic substances can damage skin or fibers. In addition, calcium ions (Ca ²⁺ ) may be precipitated as calcium carbonate (CaCO ₃ ) by heat or in space caused by bubbles generated by heat, and the precipitated calcium carbonate (CaCO ₃ ) is fixed to a pipe through which water flows. Can be. Adherence of calcium carbonate may cause uneven transfer of heat, which may cause local overheating, and local overheating may cause cracks (cracks) in the pipe or heat exchanger due to thermal stress. This leads to deterioration of durability and a decrease in lifespan in a device using a pipe through which tap water flows. In addition, when hard water containing an ionic material is supplied for cleansing, etc., there is a problem that the soap does not loose well or irritates the skin.

Therefore, a softening device for removing ionic substances from water containing ionic substances is used, and a device capable of softening tap water is provided integrally with a water heater such as a boiler. However, in order to use such a water softening device, there is a problem in that the entire pipe must be replaced entirely or the entire water heater must be replaced with a new water heater including a water softening device.

The present invention has been devised to solve these problems, and provides a method for installing and operating an ion removal kit to provide soft water from which ionic substances are removed from raw water, to a consumer without a means for removing ionic substances. Is to provide.

A method of providing soft water according to an embodiment of the present invention includes: (a) installing an ion removal kit in communication with a main flow path for supplying raw water to a water heater that circulates or discharges water; And (b) supplying the soft water to the water heater by discharging soft water containing less ionic material than the raw water from the ion removal kit to the main flow channel, and supplying the soft water to the water heater by the ion removal kit. And removing at least a portion of the ionic material contained in the received raw water by an electric deionization method to generate the soft water.

Another method of providing soft water according to an embodiment of the present invention, (a) by heating the water to circulate or discharge water by the ion removal kit post-installed in communication with the main flow path for supplying raw water to the water heater, the Removing at least a portion of the ionic material contained in the raw water supplied from the main flow path by an electric deionization method to generate soft water containing less ionic material than the raw water; And (b) discharging water containing the soft water from the ion removal kit to the main flow path to supply the water containing the soft water to the water heater.

Accordingly, by installing and operating the ion removal kit without replacing the entire piping or device, it is possible to easily supply soft water to a customer who does not have a means for removing ionic substances.

The operation of the ion removal kit can be efficiently controlled based on the state of the water flowing through the ion removal kit.

1 is a conceptual diagram conceptually showing an ion removal kit according to a first embodiment of the present invention.
FIG. 2 is a conceptual diagram conceptually showing the flow of raw water and soft water when softening the raw water through the filter unit of the ion removal kit of FIG. 1.
3 is a conceptual diagram illustrating the principle of ion removal in the CDI method.
4 is a conceptual diagram conceptually showing the flow of raw water when the filter unit of the ion removal kit of FIG. 1 is regenerated.
5 is a conceptual diagram illustrating the principle of electrode regeneration in the CDI method.
6 is a conceptual diagram conceptually showing an ion removal kit according to a second embodiment of the present invention.
7 is a conceptual diagram conceptually showing an ion removal kit according to a third embodiment of the present invention.
8 is a conceptual diagram conceptually showing another exemplary ion removal kit of the present invention.
9 is a conceptual diagram conceptually showing another exemplary ion removal kit of the present invention.
10 is a conceptual diagram conceptually showing a water heater using an ion removal kit according to an embodiment of the present invention.
11 is a conceptual diagram conceptually showing a commercial boiler system using an ion removal kit according to an embodiment of the present invention.
12 is a conceptual diagram conceptually showing a boiler incorporating an ion removal kit according to an embodiment of the present invention.
13 and 14 are conceptual diagrams illustrating an installation process of installing an ion removal kit according to an embodiment of the present invention in a main flow path.

Hereinafter, some embodiments of the present invention will be described in detail through exemplary drawings. It should be noted that in adding reference numerals to the components of each drawing, the same components have the same reference numerals as possible even though they are displayed on different drawings. In addition, in describing the embodiments of the present invention, when it is determined that detailed descriptions of related well-known configurations or functions interfere with the understanding of the embodiments of the present invention, detailed descriptions thereof will be omitted.

In addition, in describing the components of the embodiments of the present invention, terms such as first, second, A, B, (a), (b), and the like can be used. These terms are only for distinguishing the component from other components, and the nature, order, or order of the component is not limited by the term. When a component is described as being "connected", "coupled", "connected" or "connected" to another component, the component may be directly connected to or connected to the other component, but between each component It should be understood that another component may be "connected", "coupled", "connected" or "connected".

Example 1

1 is a conceptual diagram conceptually showing an ion removal kit 1 according to a first embodiment of the present invention. Referring to Figure 1, the ion removal kit 1 according to the first embodiment of the present invention, the kit case 10, the filter unit 40, the filter flow path 21, the water outlet flow path 22 and the control unit (C) ). The ion removal kit 1 is connected to the main flow path 100.

Main Euro (100)

The main flow path 100 is a flow path for supplying raw water to a customer. Therefore, the main flow path 100 may be formed by a pipe through which water can flow along the inside. The raw water flows along the main flow path 100, and the soft water supplied by the raw water is softened by the filter unit 40 to be described later may flow along the main flow path 100.

In the main flow path 100, water flows in one direction. Based on the flow direction (D) of water in the main flow path 100, the most downstream is connected to the demand source, and raw water or soft water is delivered to the demand destination. That is, the main flow path 100 and the ion removal kit 1 are provided upstream of the inlet of the customer.

The main channel 100 connected to the ion removal kit 1 of the present invention may be a faucet or a shower head that controls the discharge of water to the outside, but the type is not limited to this, and the soft water, It can be a source of demand where raw water mixed with soft water or where raw water is to be supplied.

The ion removal kit 1 according to the first embodiment of the present invention is connected to an arbitrary location on the main flow path 100 so that the raw water flowing along the main flow path 100 can be supplied to the ion removal kit 1. have. Conversely, the soft water generated in the ion removal kit 1 may be provided to the main flow path 100 through the one location. However, as illustrated in FIG. 1, the ion removal kit 1 is connected to another location located downstream based on the flow direction D of the water rather than the one location, so that the raw water flows through the main location ( The ion removal kit 1 is provided from 100), and the soft water generated in the ion removal kit 1 may be provided from the ion removal kit 3 to the main flow path 100 through other locations.

The main flow path 100 may be further provided with a main valve 103 that blocks the flow of raw water flowing through the main flow path 100 or adjusts the flow rate.

Kit Case (10)

The kit case 10 is a component for accommodating the filter unit 40, the filter flow path 21, the water discharge flow path 22, the control unit C, and other components to be described later. Kit case 10 may be generally formed in the shape of a hollow cuboid, but the shape of the kit case 10 is not limited to such a shape. The water heater case 12 and the boiler case 13, which will be described later, are basically similar or identical to the kit case 10.

The kit case 10 is provided with an inlet 1001 and an outlet 1002. The inlet port 1001 is an opening for receiving raw water from the main flow path 100. The outlet 1002 is an opening for delivering water including soft water generated by the filter unit 40 to the main flow path 100. Therefore, water including raw water or soft water flows through the inlet port 1001 and the outlet port 1002.

The ion removal kit 1 of the present invention may further include connecting tubes 104 and 105. The connecting pipes 104 and 105 are components connecting the inlet 1001 and the outlet 1002 provided in the kit case 10 with the main flow path 100. Therefore, the connecting pipes 104 and 105 are composed of two of the inlet connector 104 and the outlet connector 105, and can be connected to the outlet 1001 and outlet 1002, respectively.

The inlet port 1001 and the outlet port 1002 may be detachably connected to one end of the connecting pipes 104 and 105, respectively. The other end of each connector 104, 105 is connected to the main flow path 100. However, one end of each of the connecting pipes 104 and 105 is extended from the inlet 1001 and the outlet 1002 to be integrally formed with the kit case 10 or can be easily coupled to the kit case 10 so that it cannot be separated. , It is also possible that the other end of each connector 104, 105 is detachably coupled to the main flow path 100.

The inlet port 1001 and the outlet port 1002 may be connected through the filter channel 21, the filter unit 40, and the outlet channel 22 inside the kit case 10. In addition, the inlet 1001 and the outlet 1002 may be directly connected through a bypass channel (25 in FIG. 7), which will be described later in the third embodiment. Therefore, the raw water flowing into the ion removal kit 1 through the inlet 1001 is discharged through the outlet 1002 through the respective flow paths and the filter unit 40.

In the kit case 10, in addition to the inlet port 1001 and the outlet port 1002, a drain port through which the drain passage 23 passes may be further provided. Wastewater regenerating the filter unit 40 may be discharged through a drain hole.

Filter unit (40)

The filter unit 40 is a component that removes at least a portion of the ionic material contained in the raw water. The filter unit 40 is provided inside the kit case 10, and receives raw water from the main flow path 100 for supplying raw water to the customer, and electrically desorbs at least a part of the ionic material contained in the supplied raw water. Ions are removed. Therefore, the water discharged from the filter unit 40 is soft water containing less ionic substances than raw water.

More specifically, there is an electric deionization method among methods for removing ionic substances. When a direct voltage is applied to the charged particles in the electrolyte, positive charged particles move to the negative electrode, and negative charged particles move to the positive electrode. This is called electrophoresis. The electric deionization method refers to a method of selectively adsorbing or moving ions (ionic substances) in water through electrodes or ion exchange membranes based on the principle of electric force (electrophoresis).

Electric deionization methods include methods such as Electrodialysis (ED), Electro Deionization (EDI), Continuous Electro Deionization (CEDI), and Capacitive Deionization (CDI). The ED type filter unit 40 includes an electrode and an ion exchange membrane. In addition, the EDI-type filter unit 40 includes an electrode, an ion exchange membrane, and an ion exchange resin. On the other hand, the CDI type filter unit 40 does not have either an ion exchange membrane or an ion exchange resin, or no ion exchange resin.

The filter unit 40 according to an embodiment of the present invention may remove an ionic material by a capacitive deionization (CDI) method among electric deionization methods. The CDI method refers to a method of removing ions using the principle that ions (or ionic substances) are adsorbed and desorbed on the surface of an electrode by electrical force. The specific principle in which the filter unit 40 removes or regenerates ionic substances from raw water using the CDI method will be described later in the description of FIGS. 3 and 5.

The control unit C, which will be described later, determines how the filter unit 40 will operate. Therefore, the filter unit 40 may be connected to the control unit C via a conductive signal line so that the control unit C receives the control signal, which is an electrical signal transmitted by the control unit C, and operates accordingly. Also, the control unit C may be installed on the same substrate as the filter unit 40 to transmit a control signal to the filter unit 40 through the substrate.

Filter flow path (21)

The filter flow path 21 is a component that transfers the raw water supplied from the main flow path 100 to the filter unit 40. Therefore, the inlet port 1001 is connected to one end of the filter flow path 21, and the filter unit 40 is connected to the other end. Since the filter unit 40 inside the kit case 10 and the inlet port 1001 are connected, the filter flow path 21 is provided inside the kit case 10.

In the filter flow path 21 of the ion removal kit 1 according to the first embodiment of the present invention, a pressure obtaining unit 312 may be disposed. The pressure acquisition unit 312 is a component that acquires the internal pressure of the filter flow path 21 in order to know the pressure of the raw water flowing through the filter flow path 21. Here, the method in which the pressure acquiring unit 312 acquires the internal pressure is a method of directly measuring the pressure inside the filter flow path 21 using a pressure sensor or the like, and measuring a value other than pressure to measure the filter flow path 21 therefrom. ) How to calculate the internal pressure. The pressure acquisition unit 312 may be electrically connected to the control unit C to transmit an electrical signal corresponding to the internal pressure value obtained by the pressure acquisition unit 312 to the control unit C.

In addition, a constant flow valve 313 may be disposed in the ion removal kit 1. The constant flow valve 313 is a valve that controls the flow rate and pressure of raw water flowing through the filter flow path 21 by controlling the opening degree of the filter flow path 21 under the control of the control unit C.

The constant flow valve 313 is electrically connected to the control unit C, so that a control signal generated by the control unit C can be transmitted to the constant flow valve 313. A detailed control method will be described later in the description of FIG. 2.

In addition, a shear TDS sensor 315 may be disposed in the ion removal kit 1. The front end TDS sensor 315 is a sensor that acquires TDS (Total Dissolved Solid) contained in raw water delivered to the filter unit 40 through the filter flow path 21. It can be difficult to directly obtain the amount of ionic material contained in water, that is, directly measure the hardness of water. The high TDS of water can mean that there are many ionic substances in the water. That is, the amount of ionic substances contained in water can be estimated based on the TDS of water. The detailed control method will be described later in the description of FIG. 2.

Outflow Euro (22)

The outflow passage 22 is a component that transfers the soft water generated by the filter unit 40 from at least partially removing ionic substances from the raw water to the main passage 100 from the filter unit 40. Therefore, the outlet 1002 is connected to one end of the outlet passage 22, and the filter unit 40 is connected to the other end. Since the filter unit 40 inside the kit case 10 and the outlet 1002 are connected, the outlet passage 22 is provided inside the kit case 10.

A drain passage 23 may be further connected to the exit passage 22, and an exit valve 314 may connect the drain passage 23 and the exit passage 22. Through the drain passage 23, wastewater regenerating the filter unit 40 may be discharged. The outlet valve 314 may be formed of a three-way valve capable of controlling the flow of fluid in three channels. Therefore, the water discharge valve 314 causes the water discharged from the filter flow passage 21 along the water discharge flow passage 22 to be discharged to the main flow passage 100, or the water discharged from the filter flow passage 21 along the drain flow passage 23 It can be discharged to the outside. Such control of the water discharge valve 314 may be achieved by the control unit C. Therefore, the water outlet valve 314 may also be electrically connected to the control unit C, and the opening and closing may be determined electrically.

Control unit (C)

The control unit C is a component that is provided inside the kit case 10 and controls other components constituting the filter unit 40 and the ion removal kit 1. Therefore, the control unit C may be electrically connected to each component constituting the ion removal kit 1 to transmit or receive an electrical signal.

The control unit C includes at least one processor capable of logical operation since it needs to perform calculations from values obtained from various sensors, and generate and transmit control signals to each component. As a processor of the controller C, a microprocessor such as a field programmable gate array (FPGA), an application specific integrated circuit (ASIC), or a central processing unit (CPU) may be used, but the type is not limited thereto.

In addition, the control unit c includes a memory that stores a plurality of control instructions that are the basis for generating instructions for controlling each component in the processor. The processor can be programmed such that the processor receives control commands from the memory and generates electrical signals for controlling each component based on the received control commands. The memory may be a data store such as a hard disk drive (HDD), a solid state drive (SSD), a volatile medium, or a non-volatile medium, but the type is not limited thereto.

The control unit C may be formed separately from the filter unit 40 as illustrated, but may be integrally formed with the filter unit 40 and installed on the same substrate as the filter unit 40.

The control unit C may control the filter unit 40 based on the state of raw water flowing into the inlet 1001 or the state of water to be discharged to the outlet 1002. In the first embodiment of the present invention, the control unit C is based on the content determined from the internal pressure value of the filter flow path 21 obtained by the pressure obtaining section 312 installed in the filter flow path 21, the filter unit 40 ).

In addition, the control unit (C) is based on the TDS obtained by the TDS sensor that acquires at least one of the TDS of the raw water supplied to the filter unit 40 and the TDS of the water discharged from the outlet 1002, the outlet 1002 The filter unit 40 may be controlled such that the TDS of the water discharged from the water is less than or equal to the reference rear end TDS. Here, the TDS sensor includes a front end TDS sensor 315 of FIG. 1 and a rear end TDS sensor 331 to be described in the description of the third embodiment of FIG. 7.

The ion removal kit 1 may include a display unit (not shown) that displays predetermined information. The display unit may include a display device that is electrically connected to the control unit C, and display the TDS acquired by the front end TDS sensor 315 so that the user can confirm it.

The ion removal kit 1 may include an input unit (not shown). The input unit may include an input device such as a dial that is electrically connected to the control unit C to receive the execution time from the user and transmit it to the control unit C. The execution time transmitted to the control unit C may be used as a time for the filter unit 40 to perform the removal mode.

The ion removal kit 1 may include a communication module (not shown). The communication module may receive an identifier from a water heater (6 in FIG. 10), including a water heater (6 in FIG. 10) and a modem capable of communicating with the water heater (6 in FIG. 10). The communication module may be a wireless modem capable of communication by a method such as WIFI, but the communication method may be performed using a sensor including an IR light emitting unit and a light receiving unit, and the configuration is not limited thereto.

The communication module may be electrically connected to the control unit C to supply power to the filter unit 40 so that the filter unit 40 operates when the received identifier is a valid identifier. The identifier is used to prove that the water heater is sold from an authorized sales person, and is stored in a storage medium included in the water heater and used for control of the filter unit 40 through a communication module. If the identifier received by the communication module is a valid identifier because it is a water heater sold from an authorized sales person, the filter unit 40 is activated because the filter unit is connected to the correct water heater. The filter unit 400 does not work if the identifier is invalid because it is not a water heater sold from an authorized sales person.

Hereinafter, with reference to the drawings, when water is softened using the filter unit 40 of the ion removal kit 1, the flow of water will be described.

FIG. 2 is a conceptual diagram conceptually showing the flow of raw water and soft water when softening the raw water through the filter unit 40 of the ion removal kit 1 of FIG. 1. 3 is a conceptual diagram illustrating the principle of ionic material removal in the CDI method.

Referring to FIG. 2, the ion removal kit 1 according to the first embodiment of the present invention includes an intake point 101, which is a location on the main flow path 100, and another location and a location on the main flow path 100. It is connected to the main flow path 100 at the exit point 102 located downstream from the flow direction D. Therefore, at least a part of the raw water is transferred from the intake point 101 to the filter flow path 21 of the ion removal kit 1 through the intake port 1001 and the intake connection pipe 104. Part of the raw water is transferred to the filter flow path 21, the remaining raw water may continue to flow along the main flow path 100, or all of the raw water may be transmitted to the filter flow path 21.

In other words, a first position and a second position exist in the main flow path 100. In the first position, the main flow passage 100 communicates directly or indirectly with the filter flow passage 21, and in the second position, the main flow passage 100 communicates directly or indirectly with the outflow passage 22. That is, the second position is located downstream of the first position based on the flow direction of the raw water, but may be an exit point 102, and the first position may be an acquisition point 101.

The raw water delivered to the filter flow path 21 may pass through the pre-treatment filter 311. The pre-treatment filter 311 is a component disposed in the filter flow path 21, and is a filter that performs water purification other than ion removal before softening raw water in an electric deionization method. Therefore, an activated carbon filter capable of removing fine impurities and residual chlorine (Cl ₂ ) may be used as the pre-treatment filter 311, but the type is not limited thereto.

The raw water purified through the pre-treatment filter 311 flows along the filter flow path 21 to reach the filter unit 40. At this time, the raw water may flow through the pressure acquisition unit 312 and the constant flow valve 313 located upstream from the filter unit 40. The pressure acquisition unit 312 acquires the internal pressure in the filter flow path 21 and transmits it to the control unit C.

At least a portion of the ionic material included in the raw water delivered to the filter unit 40 is removed by the filter unit 40. As shown in FIG. 3, when a voltage is applied to the electrode, when water containing ions passes between the electrodes, the anion moves to the anode and the cation moves to the cathode. That is, adsorption occurs. Ions can be removed from the water by such adsorption. As described above, a mode in which the filter unit 40 removes ions (ionic substances) in water passing through the filter unit 40 through an electrode is referred to as a removal mode below.

The control unit C may receive the pressure value obtained from the pressure acquisition unit 312 and control the filter unit 40 based on the pressure value. Specifically, when the internal pressure of the filter flow path 21 obtained from the pressure acquisition unit 312 is less than the first pressure that is a predetermined pressure, the filter unit 40 is operated by applying power to the filter unit 40. By doing so, the control unit C can be operated so that the removal mode can be performed.

Here, the first pressure may be equal to the internal pressure of the filter flow path 21 when the supply of raw water to the consumer is blocked. When water is not used at the source of demand, the pressure of the raw water is supplied from the water source, but since the source of demand is blocked and water is not discharged, the first pressure state, which is a constant pressure, is applied to the main flow path 100 and the filter flow path 21. maintain. In this situation, when water is started to be discharged and used at the demand source, water starts to flow, so that the internal pressures of the main flow path 100 and the filter flow path 21 are smaller than the first pressure. When water is used at the demand destination, so that the filter unit 40 can be driven in the removal mode, the control unit C is applied to the filter unit 40 when the pressure inside the filter flow path 21 has a pressure lower than the first pressure. It is to apply power.

In addition, the control unit C may control the constant flow rate valve 313 to adjust the internal pressure and flow rate of the filter flow path 21. The control unit C controls the constant flow rate valve 313 so that the flow rate of the raw water flowing through the filter flow path 21 received by the control unit C is maintained at a first flow rate that is a predetermined flow rate, and the filter flow path 21 is controlled. ) Can be adjusted. In addition, the constant flow rate valve 313 is controlled so that the internal pressure value of the filter flow path 21 can be maintained at a predetermined pressure or lower than the second pressure. Thus, as the flow rate of the raw water flowing through the filter flow path 21 is kept constant, the TDS of the water to be discharged to the outlet 1002 is controlled only by controlling the time when the filter unit 40 to be described later performs the removal mode. It can be made below the standard rear end TDS.

The control unit C, based on the TDS obtained by the front end TDS sensor 315, the filter unit 40 so that the TDS of water including soft water to be discharged through the water outlet 1002 is equal to or less than a predetermined reference rear end TDS. The time for performing the removal mode can be controlled. The reference rear end TDS may be determined as a TDS value suitable for supply to a consumer.

Specifically, the larger the TDS acquired by the front end TDS sensor 315, the control unit C may shorten the time for the filter unit 40 to perform the removal mode. When using the electric deionization method, there is a limit to the amount of ionic material that can be removed by the electrode, so when raw water having a high TDS is supplied to the filter unit 40, raw water having a relatively small TDS value is supplied. The electrode may be saturated at a faster time point compared to the case. Therefore, by shortening the time for performing the removal mode and performing the regeneration mode to immediately regenerate the electrode, raw water is discharged to the main flow path 100 through the water outlet flow path 22 without the ionic material being removed even during the removal mode. The situation can be prevented, and the filter unit 40 can produce the number of years of target TDS after the target.

Although the control unit C shortens the time for performing the removal mode according to the TDS value obtained by the previous TDS sensor 315, the control unit C can maintain the time for performing the regeneration mode. However, if the time for performing the removal mode is shortened, the controller C can also shorten the time for performing the regeneration mode as well. When the time for performing the regeneration mode is shortened as described above, the control unit C operates by applying a higher voltage to the filter unit 40 compared to when the time for performing the regeneration mode is not shortened. As a high voltage is applied to the filter unit 40, more electrodes can be regenerated during the same time. Therefore, the operation cycle of the filter unit 40 that combines the time in which the removal mode is performed and the time in which the regeneration mode is performed can be shortened by the control unit C as a whole. The detailed description of the playback mode will be described later in the description of FIG. 5.

The soft water generated by the filter unit 40 is discharged to the water outlet flow path 22. The outflow valve 314 disposed in the outflow passage 22 is opened and closed so that the water discharged from the filter unit 40 does not flow into the drain flow passage 23, and the soft water is discharged through the outflow passage 22. Is delivered to. The soft water is discharged to the water outlet point 102 through the water outlet connector 105 connected to the water outlet 1002. Therefore, at the exit point 102, the soft water and the raw water can be mixed and mixed to become a mixed water. However, if the main valve 103 is closed, only soft water can be delivered to the demand destination, and if the filter unit 40 is not in the removal mode and the main valve 103 is open, only raw water is the main flow path ( 100).

Hereinafter, the flow of water when regenerating the electrode of the filter unit 40 of the ion removal kit 1 will be described with reference to the drawings.

4 is a conceptual diagram conceptually showing the flow of raw water when the filter unit 40 of the ion removal kit 1 of FIG. 1 is regenerated. 5 is a conceptual diagram illustrating the principle of electrode regeneration in the CDI method.

Referring to the drawings, when regenerating the filter unit 40, the raw water is transferred from the main flow path 100 to the filter flow path 21 similarly to the generation of soft water using the filter unit 40. Therefore, the process of transferring raw water to the filter unit 40 is replaced with the description of FIG. 2.

The adsorption capacity of the electrode included in the filter unit 40 is limited. Therefore, if adsorption continues, the electrode can no longer adsorb ions. To prevent this, it is necessary to desorb the ions adsorbed on the electrode and regenerate the electrode. To this end, as illustrated in FIG. 5, an opposite voltage may be applied to the electrode, or a voltage may not be applied, as in the removal mode. In this way, the mode in which the filter unit 40 regenerates the electrode is called a regeneration mode. The regeneration mode may be performed before or after the removal mode, and may be performed alternately with each other. The time during which the regeneration mode and the removal mode are performed may be variously set.

Since the filter unit 40 is in the regeneration mode, the raw water delivered to the filter unit 40 is not softened by the filter unit 40, but is used to regenerate the electrodes of the filter unit 40. Therefore, the concentration of the ionic material of the raw water delivered to the filter unit 40 increases as it passes through the filter unit 40 in the regeneration mode.

Water having an increased concentration of the ionic material is discharged to the outlet channel 22. In the regeneration mode, the water outlet valve 314 is opened and closed to allow water to flow from the water outlet flow path 22 to the drain flow path 23 and to block the flow of water from the water flow path 22 to the main flow path 100. Can be. Therefore, through the drain passage 23, water with an increased concentration of the ionic substance is discharged to the outside. As the demand destination, only raw water is supplied to the main flow path 100. At this time, all of the water supplied from the water source is used only for regeneration of the electrode included in the filter unit 40, so that the raw water may not be supplied to the customer.

Example 2

6 is a conceptual diagram conceptually showing the ion removal kit 2 according to the second embodiment of the present invention. Referring to FIG. 6, a filter flow rate acquisition unit 321 may be disposed in the filter flow path 21 of the ion removal kit 2 according to the second embodiment of the present invention. Since the ion removal kit 2 of the second embodiment is very similar to the ion removal kit 1 of the first embodiment, only the portions having differences will be described later, and the description of the rest of the overlapping components will be for the first embodiment. Replace with description.

The filter flow rate acquisition unit 321 is a component that acquires a flow rate of raw water flowing through the filter flow path 21. Here, the method in which the filter flow rate acquisition unit 321 acquires the flow rate of raw water is a method of directly measuring the flow rate of raw water flowing in the filter flow path 21 using a flow sensor, and measuring a value other than the flow rate to filter therefrom. And a method of calculating the flow rate of raw water flowing in the flow path 21.

The control unit C may receive the flow rate value obtained from the filter flow rate acquisition unit 321 and control the filter unit 40 based on the flow rate value. Specifically, when the flow value of the raw water in the filter flow path 21 obtained in the filter flow rate acquisition unit 321 is greater than 0, power is applied to the filter unit 40 to operate the filter unit 40 to remove the mode To be performed, the control unit C may operate.

 Here, the reason why the control unit C operates when a flow rate greater than 0 occurs is that the situation in which raw water flows through the filter flow path 21 means that the use of water is started at the demand. When water is not used at the demand destination, the flow rate becomes 0 in the main flow path 100 and the filter flow path 21 because the demand destination is blocked and no water is discharged. In this situation, when water is started to be discharged and used at the demand source, water starts to flow, so that a flow rate greater than 0 occurs in the main flow path 100 and the filter flow path 21. When water is used at the demand destination, the control unit C applies power to the filter unit 40 when a flow rate greater than 0 occurs so that the filter unit 40 can be driven in a removal mode.

In the filter flow path 21 of the ion removal kit 2 according to the modification of the second embodiment of the present invention, a flow control valve 322 may be disposed. The flow control valve 322 controls the opening of the filter flow path 21 to control the pressure of the raw water flowing through the filter flow path 21, and the valve to control the flow rate of raw water flowing through the filter flow path 21 to be. The flow control valve 322 may include a stepping motor that rotates to adjust the opening degree of the filter flow path 21.

If the flow rate control valve 322 is used with the filter flow rate acquisition unit 321, the control unit (C) to maintain the pressure of the raw water flowing through the filter flow path 21 below a predetermined pressure, the second pressure or less ) The flow rate of raw water inside the filter flow path 21 received from the filter flow rate acquisition unit 321 may be adjusted using the flow rate control valve 322.

The flow control valve 322 may be used as a pressure reducing valve (not shown), or may further include a function of reducing the raw water. The pressure reducing valve is a valve that reduces the pressure of raw water so that the flow control valve 322 can smoothly regulate the flow rate. The control unit C is based on the TDS obtained by the front end TDS sensor 315, and the outlet The flow rate of the raw water flowing along the filter flow path 21 is controlled by a valve installed in the main flow path 100 or a valve installed in the filter flow path 121 so that the TDS of the water discharged through (1002) becomes the reference rear end TDS. You can adjust more. Therefore, the control unit C is connected to the flow rate control valve 322 to adjust the flow rate of raw water by controlling the opening degree of the filter flow path 21. At this time, the control unit C may control the time for the filter unit 40 to perform the removal mode and at the same time control the flow rate of raw water flowing along the filter flow path 21.

Specifically, the control unit C may reduce the flow rate of raw water flowing along the filter flow path 21 as the TDS obtained by the front end TDS sensor 315 is larger. The filter unit 40 using the CDI method is limited in the amount of ionic materials that can be processed in the absence of regeneration as described above. Therefore, by reducing the flow rate provided to the filter unit 40, even if the raw water having a high TDS is introduced, it is possible to remove the high proportion of ionic substances by the filter unit 40 to make it soft water having the target TDS and discharge it. Accordingly, water having a target reference rear end TDS can be discharged through the outlet 1002.

The capacity of the water that the filter unit 40 can accommodate is constant, and the flow rate of the water becomes slower as the flow rate of the water decreases. If the proportion of the ionic material contained in the water and the size of the power supplied to the electrode are the same, the smaller the flow rate of the water, the longer the time for the water to pass through the filter unit 40, and the more ionic material adsorbs to the electrode. Can be. Accordingly, the smaller the flow rate of water, the higher the removal rate of the ionic material. Here, the removal rate means a ratio of the amount of ionic material removed from the filter unit 40 to the amount of ionic material flowing into the filter unit 40. Therefore, the larger the TDS obtained by the front TDS sensor 315, the more the flow rate of raw water flowing along the filter flow path 21 is reduced, so that the rear end TDS can be matched to the desired reference rear end TDS.

In addition, the control unit C can also control the amount of ionic material removed from the filter unit 40 in the removal mode by adjusting the amount of power supplied to the electrode. The larger the amount of power supplied to the electrode, the stronger the force of adsorbing ions at the electrode, so if the flow rate of water and the proportion of the ionic material contained in the water are the same, the electrode with a larger power will adsorb more ions. Can be.

Third embodiment

7 is a conceptual diagram conceptually showing the ion removal kit 3 according to the third embodiment of the present invention.

Referring to FIG. 7, the third embodiment of the present invention includes a bypass flow path 25. Since the rest of the configuration of the ion removal kit 3 of the third embodiment, except for the bypass flow path 25, is very similar to the ion removal kit 3 of the second embodiment, only the portions that are different will be described later and the rest will be overlapped. The description of the components replaces the description of the second embodiment. However, the ion removal kit 3 according to the third embodiment may have a modification similar to the first embodiment, including the pressure obtaining unit 312 and the constant flow valve 313.

The ion removal kit 3 according to the third embodiment of the present invention in which the bypass flow path 25 is formed, separates a portion of the main flow path 100 as shown in FIG. 7, and the water flow direction D Based on), the part corresponding to the upstream side can be detachably connected to the inlet port 1001 and the part corresponding to the downstream side to the outlet port 1002 to be connected to the main flow path 100. It may be connected to the inlet point 101 and the outlet point 102 of the main flow path 100 through respective connecting pipes 104 and 105.

The bypass flow passage 25 is a component connected to the inlet port 1001 and the outlet port 1002 to directly connect the two openings. The bypass flow passage 25 is accommodated inside the kit case 10. The bypass flow path 25 serves to selectively bypass at least a portion of the raw water to be supplied to the inlet 1001 and supplied to the filter unit 40 to the outlet 1002. This is because the inlet port 1001 and the outlet port 1002 are connected through the bypass channel 25 and are also connected through the filter channel 21, the filter unit 40, and the outlet channel 22.

A portion of the raw water supplied into the kit case 10 through the inlet port 1001 flows into the bypass flow path 25 and the rest flows into the filter flow path 21. The bypass channel 25 and the filter channel 21 are indirectly connected to the inlet 1001 through the first delivery channel 24 connected to the inlet 1001 as shown, and branched from the branch point 106 You can receive enemies by dividing them. However, the bypass channel 25 and the filter channel 21 are directly connected to the inlet 1001 without the first transmission channel 24, and the raw water may be divided and delivered.

The raw water flows through the bypass flow path 25 and is transferred to the outlet 1002, and the filter flow path 21 has the task of changing the raw water into soft water as described in the description of the first and second embodiments. Is done. The bypass passage 25 and the exit passage 22 are joined at the confluence point 107, and are indirectly connected to the exit passage 1002 through the second transmission passage 26 connected to the exit passage 1002, thereby inducing raw water and training respectively. It can be discharged to the outlet 1002. However, the bypass passage 25 and the outlet passage 22 may be directly connected to the outlet 1002 without the second transmission passage 26.

A bypass valve 332 may be disposed in the bypass channel 25. The bypass valve 332 is a valve that adjusts the opening degree of the bypass flow passage 25 to control the flow rate of raw water bypassed through the bypass flow passage 25. The control unit C may be electrically connected to the bypass valve 332 to control the flow rate of raw water bypassed through the bypass channel 25.

Using the bypass valve 332 and the filter flow rate acquisition unit 321 described above in the description of the second embodiment, the control unit C, the TDS of the water discharged through the outlet 1002 is less than the reference rear end TDS To be, the flow rate of the raw water to be bypassed can be adjusted. Since the TDS of the soft water generated by the filter unit 40 is significantly lower than the standard TDS standard, which is a TDS standard suitable for use in demand, the mixed water formed by mixing soft water and raw water is discharged through the outlet 1002. By supplying to the consumer, water having a sufficient flow rate is supplied to the consumer and at the same time, water having a TDS suitable for use can be supplied to the consumer.

The flow rate of raw water flowing through the filter flow path 21 obtained by the filter flow rate acquisition unit 321 is called f, the TDS of the raw water provided is called Feed TDS, and the target reference rear end TDS is called Target TDS, and the filter The TDS of the soft water generated in the unit 40 is called CDI TDS, and the ratio of the amount of soft water generated in the filter unit 40 to the total amount of soft water flowing into the filter unit 40 is RR (recovery rate, recovery rate) ), The flow rate x of the raw water bypassed through the bypass flow path 25 may be determined by the following equation.

Here, the units of Target TDS, Feed TDS, and CDI TDS are ppm, and the units of f are L / min equal to x.

Target TDS may be arbitrarily determined or given a reference value, f may be obtained through a filter flow rate acquisition unit 321, and RR may be determined according to how to control the filter unit 40 or may be given from the time of manufacture, In the case of Feed TDS, since it is the raw TDS, it can be given or can be obtained using the shear TDS sensor 315. In the case of CDI TDS, it may be given from the time of manufacture, or may be obtained by a CDI TDS sensor (not shown) that may be further disposed at the rear end of the filter unit 40.

In addition, a bypass flow rate acquisition unit 333 may be disposed in the bypass channel 25 of the ion removal kit 3 according to the modification of the third embodiment of the present invention. The bypass flow rate acquisition unit 333 is a component that acquires the flow rate of raw water bypassed through the bypass flow path 25. Here, the method of obtaining the flow rate of the raw water by the bypass flow acquisition unit 333 is a method in which the flow rate sensor directly measures the flow rate of the raw water flowing in the bypass flow path 25, and measures a value other than the flow rate from there. And a method of calculating the flow rate of raw water flowing in the bypass flow path 25. By using the bypass flow rate acquisition unit 333, it is possible to check whether water having a desired level of TDS is discharged through the outlet 1002. That is, when the control unit C is controlling the flow rate to be bypassed by using the bypass valve 332, whether the flow rate is obtained by the bypass flow rate acquisition unit 333 is controlled to be equal to x in Equation 1 above. It can be confirmed from the value.

The ion removal kit 3 according to another modification of the third embodiment may include a rear end TDS sensor 331. The rear end TDS sensor 331 is a sensor that acquires TDS of water discharged through the outlet 1002. Therefore, the rear end TDS sensor 331 may be disposed in the second transmission flow path 26, but the position of the arrangement is not limited thereto.

By using the rear end TDS sensor 331, the TDS of the water obtained by the rear end TDS sensor 331 can be controlled to be equal to or less than the reference rear end TDS without knowing the flow rate of the raw water bypassed through the bypass flow path 25. . When the flow rate of the raw water to be bypassed is increased, the TDS of the water discharged to the outlet 1002, which is the water obtained by the TDS sensor 331 at the rear end, will be increased. will be.

Specifically, as shown in Equation 2 below, y, which is the TDS of water to be discharged to the outlet 1002, is determined. Therefore, when increasing the bypass flow rate x, the TDS of water to be discharged to the outlet 1002 decreases.

The remaining variables except for x in Equation 2 may be given or obtained through each sensor, so that y can be changed by adjusting x using the bypass valve 332. The value of y can be continuously checked using the rear end TDS sensor 331.

The control unit C may lock the bypass valve 332 to block the bypass flow passage 25, so that only the soft water is supplied through the main flow passage 100. When the performance of the filter unit 40 is not sufficient to satisfy the reference number TDS of the rear end, the control unit C can control the bypass valve 332 in this way.

Other exemplary ion removal kits 35

8 is a conceptual diagram conceptually showing another exemplary ion removal kit 35 of the present invention. This ion removal kit 35 has a basic feature in that it is not provided inside the boiler, but is provided as a portable device independently of a water heater such as a boiler or a water heater.

This exemplary ion removal kit 35, as shown in Figure 8, the filter unit 352, the case 350, the first to fourth flow paths (351, 3531, 3532, 3533) and three-way valve (3541) Includes.

The filter unit 352 removes the ionic substance in the water supplied to the main flow path or the circulation flow path of the water heater for providing heating or hot water by an electric deionization method, but is provided independently of the water heater. The filter unit 352 may have a separate PCB inside the case 350 for independent control. The case 350 is for accommodating the filter unit 352 therein, and is provided to be portable.

The first flow path 351 is a flow path for supplying water (raw water) to the inlet of the filter unit 352, which directly or indirectly communicates with a water source such as a faucet. The first flow path 351 includes a portion 3511 from a portion communicating through the inlet 1001 to a water source to a three-way valve 3351 to be described later, and a portion 3512 from a three-way valve 3351 to a filter unit 352. ).

The second flow path 3531 is a flow path for directly or indirectly communicating the outlet of the filter unit 352 with the main flow path or the circulation flow path. Therefore, it is connected to the outlet 1002.

The third flow path 3532 is a flow path communicating the first flow path 351 and the outlet of the filter unit 352. A three-way valve 3351 is provided at a connection point between the first flow path 351 and the third flow path 3532 do. Raw water is supplied to the inlet of the filter unit 352 depending on the operation of the three-way valve 3351, or to the outlet of the filter unit 352.

The fourth flow path 3533 is a flow path through which the inlet of the filter unit 352 communicates with the outside of the case 350, and is a flow path for draining water together with the detached ionic material.

The filter unit 352 is a capacitive deionization method of an electric deionization method, and one of a removal mode for removing ionic substances in water through an electrode and a regeneration mode for regenerating electrodes before or after the removal mode. Optionally, it can be performed.

In the removal mode, water (raw water) supplied to the filter unit 352 through the first flow path 351 is supplied to the main flow path or the heating flow path through the second flow path 3531 after removal of the ionic material. To this end, the three-way valve 3351 guides the raw water supplied from the water source to the inlet of the filter unit 352, and the valve 3544 in the second flow passage 3531 opens the second flow passage 3531, and the fourth flow passage The valve 3543 in (3533) closes the fourth flow path (3533).

In the regeneration mode, the raw water supplied from the water source to the first flow path 351 is supplied to the filter unit 352 via the third flow path 3532 by the three-way valve 3351, and then the fourth flow path 3533 is turned on. It is discharged to the outside of the case 350 through. To this end, the three-way valve 3351 guides the raw water supplied from the water source to the third flow path 3532, the valve 3544 in the second flow path 3531 closes the second flow path 3531, and the fourth flow path ( The valve 3543 in 3533 opens the fourth flow path 3533.

The present exemplary ion removal kit 35 is used in an existing water heater that does not have an apparatus for removing ionic substances in water used for heating or hot water, and can remove ionic substances in raw water.

For example, when supplying raw water to the boiler for the first time or when supplying additionally after the initial supply, the first flow path 351 is connected to the water source through the inlet port 1001, and the second flow path 3531 is connected to the aforementioned main flow path. When connected to the outlet 1002 to be connected and the supply of raw water by the raw water supply source is started, water including soft water from which the ionic material has been removed by the filter unit 352 may be supplied to the boiler.

Meanwhile, the exemplary ion removal kit 35 may further include a control unit (not shown) for controlling the aforementioned valves.

The control unit may estimate the amount of the ionic substance in the raw water through the front end TDS sensor 356 installed in the first flow path 351 as well as control of the valves, and determine the execution time of the regeneration mode based on this. When it is determined that the regeneration mode is executed, the three-way valve 3541 may be automatically operated to regenerate the regeneration mode. Alternatively, the control unit may automatically execute the playback mode when the pre-entered condition is achieved.

The exemplary ion removal kit 35 may further include a pump (not shown) to pump water to the main flow path or the heating flow path, or control a pump (not shown) in the main flow path through a control unit. It might be.

For reference, reference numeral 3542 in FIG. 8 is a control valve that controls the flow rate of water supplied to the inlet of the filter unit 352, and reference numeral 3556 is a sensor that senses the flow rate of the first flow path 3512. , 3555, not described, is a check valve for preventing backflow of water.

Another exemplary ion removal kit 36

9 is a conceptual diagram conceptually showing another exemplary ion removal kit 36 of the present invention. Referring to FIG. 9, basically similar to the other exemplary ion removal kit of FIG. 8 (35 in FIG. 8), the three-way valve (3541 in FIG. 8) disappears, and the flow path through which raw water is supplied is the first flow path 351 ). Also, referring to FIG. 9, it can be seen that, unlike FIG. 8, the third flow path 3534 is not used as a flow path through which raw water flows, but is used only as a flow path in which water discarded after regeneration of the filter unit 352 flows. . That is, in another exemplary ion removal kit 36, when raw water is supplied to the filter unit 352 through the first flow path 351, it is softened in the removal mode and discharged through the second flow path 3531, In the regeneration mode, the electrode of the filter unit 352 is regenerated and discharged through the third flow path 3534 in a state including a large amount of ionic material. The direction in which raw water flows into the filter unit 352 and the direction in which water is discharged from the filter unit 352 are fixed.

When the ion removal kit 36 is configured to have a structure as shown in FIG. 9, there is an advantage that the structure is relatively simple. However, when the regeneration mode is performed to discharge the dirty water through the third flow path 3534 and then switch to the removal mode again, the water softened by the filter unit 352 further contains an ionic material. The transmission to the second flow path 3531 occurs. Water must be passed through the intermediate flow path 3535 connected to the rear end of the filter unit 352 so that water can be transferred from the filter unit 352 to the second flow path 3531 or the third flow path 3534. In the regeneration mode, the water containing a large amount of ionic material is discharged and is switched to the removal mode while remaining in the intermediate flow path 3535, and when the soft water is discharged from the filter unit 351, it remains in the intermediate flow path 3535 Since it is mixed with water, a situation occurs in which an ionic substance is added to soft water.

Therefore, in order to prevent such a situation, the valve 3545 in the third flow path 3534 and the valve 3544 in the second flow path 3531 may be controlled according to each mode. In the removal mode, the valve 3544 in the second flow path 3531 will open, and the valve 3545 in the third flow path 3534 will close. In the regeneration mode, the valve 3544 in the second flow path 3531 will be closed, and the valve 3545 in the third flow path 3534 will be opened. However, if it is switched from the regeneration mode to the removal mode, the valve 3544 in the second flow passage 3531 is closed, and the valve 3545 in the third flow passage 3534 is opened, the same state as in the regeneration mode. Can be maintained for a predetermined time. Therefore, the water discharged from the filter unit 352 is located in the intermediate flow path 3535, the water containing a large amount of ionic material can be discharged through the third flow path 3534 for a predetermined time. After a predetermined period of time, the valve 3544 in the second flow path 3531 is opened, and the valve 3545 in the third flow path 3534 is closed, and is not contaminated by the water remaining in the intermediate flow path 3535. Soft water may be discharged through the second flow path 3531 to the main flow path.

Water heater (6)

10 is a conceptual diagram conceptually showing a water heater 6 using ion removal kits 1, 2, 3, 35, 36 according to an embodiment of the present invention. The water heater 6 refers to a device that provides heating or hot water by receiving water and heating it, and a boiler for providing heating or a water heater for providing hot water (a direct-type water heater without a separate hot water tank) It refers to a water heater, a tank-type water heater equipped with a separate hot water tank), or a water heater combined boiler. Referring to Figure 10, the water heater 6 using the ion removal kit 3 according to an embodiment of the present invention, the expansion tank 62, the heat exchange unit 64, the heating unit, the circulation flow path and such components It includes a water heater case 12 for receiving them therein. Thus, it is possible to form a water heater system 5 comprising an ion removal kit 1, 2, 3, 35, 36 and a water heater 6. Referring to the drawings, it can be seen that the ion removal kits 1, 2, 3, 35, and 36 are connected to the main flow path 100, and the main heater 100 is a water heater 6.

The water heater 6 is a device that circulates or discharges water by heating it. Therefore, the water heater 6 has a circulation flow path for circulating water, and the circulation flow path includes an internal flow path 61 located inside the water heater case 12 and a heating flow path providing heating to the heating target ( 66). The inner flow path 61 and the heating flow path 66 are connected to constitute the entire circulation flow path, and a discharge hole 67 is formed in the circulation flow path to discharge water. As the heated water is provided in the hot water flow path 651 communicating with the circulation flow path, the hot water heat exchanger 65 heats the direct water pipe 652 to heat the direct water to discharge it as hot water. In addition, as the heated water is provided in the heating passage 66, heating may be provided at a desired location.

In order for the water heater 6 to heat the water, the inner flow passage 61 passes through the heat exchange unit 64. The heat exchange unit 64 is a heat source unit 643 for generating radiant heat and combustion gas from combustion of fuel and oxygen, and water flowing through the internal flow path 61 through the radiant heat generated by the heat source unit 643 and the sensible heat of the combustion gas. It includes a sensible heat exchanger 642 to be transferred to, and a latent heat exchanger 641 to transfer latent heat generated from the phase change of radiant heat and combustion gas generated from the heat source unit 643 to water flowing through the internal flow path 61. can do. Boilers that utilize heat in this way are commonly referred to as condensing boilers. However, the heat source unit 643 of the present specification is not limited to the condensing type including both the sensible heat exchanger 642 and the latent heat exchanger 641, and a burner or heat exchanger suitable for heating of water for providing heating or hot water If it is a group, it can be applied to the heat source portion 643 of the present specification.

The expansion tank 62 is disposed in the circulation flow path to accommodate volume expansion of water flowing along the circulation flow path. The expansion tank 62 is connected to the main flow path 100 to receive water discharged by the ion removal kits 1, 2, 3, 35, and 36. Since the water discharged by the ion removal kits 1, 2, 3, 35, and 36 may be soft water or a mixture of soft water and raw water, when circulating through the circulation flow path, the scale is different from when the raw water circulates. Can be prevented. Water circulating in the circulation flow path may be discharged to the outside through the discharge hole 67. When the discharge hole 67 is open, and the production of soft water continues through the ion removal kits 1, 2, 3, 35, 36, and water flows into the water heater 6, the newly produced soft water circulates. By being supplied to the flow passage, the existing water circulating in the circulation flow passage is drained through the discharge hole 67. Therefore, the water circulating in the circulation passage can be replaced with water containing less ionic material than before.

A circulation pump 63 is disposed in the circulation passage to circulate water in a predetermined direction.

Commercial Boiler System (7)

11 is a conceptual diagram conceptually showing a commercial boiler system 7 using an ion removal kit 3 according to an embodiment of the present invention. Referring to FIG. 11, the boiler system 7 using the ion removal kits 1, 2, 3, 35, 36 according to an embodiment of the present invention and including a supplementary tank 50 includes a heating unit 74 It may include, and may further include a storage tank 75 and the circulation valve (72).

Referring to the drawings, the ion removal kits (1, 2, 3, 35, 36) are connected to the main flow path 100, and the main channel 100 is the demand of the heating system 74 of the boiler system (7) Can be confirmed. The ion removal kits 1, 2, 3, 35, and 36 may be fixedly installed in the main flow path 100. The filter unit (40 of FIGS. 1, 2, 4, 6, 7) included in the ion removal kits 1, 2, 3, 35, 36 includes 21 of the filter flow paths (FIGS. 1, 2, 4, 6, 7). ) And the replenishment tank after the kit case (FIGS. 1, 2, 4, 6, and 10 of 7) is fixedly installed so that the outflow passage (22 of FIGS. 1, 2, 4, 6, and 7) communicates with the main passage 100 It can operate when supplying water to 50. Here, the fixed installation means that it is not used temporarily, but once installed, even if all the water flowing inside the boiler system 7 is replaced, it can be used without being separated from the main flow path 100 as in other embodiments. It means that it is installed. Therefore, whenever the replenishment tank 50 is replenished, the ion removal kits 1, 2, 3, 35, and 36 operate to produce soft water and discharge water including soft water to the replenishment tank 50.

The boiler system 7 according to an embodiment of the present invention is a boiler system 7 that provides a hot water by heating a large amount of water or provides it to a location 73 where heating such as a steam room is required. Therefore, it has a storage tank 75 capable of storing a large amount of heated water, and provides the stored heated water to be discharged to a shower 76 or the like, or delivers it to a location 73 where heating such as a steam room is required.

A circulation valve 72 is arranged in the boiler system 7. The circulation valve 72 controls the flow of water in the pipes connecting the heating section 74 and the location where the heated water should be provided. The circulation valve 72 delivers low-temperature water to the heating unit 74, and when the low-temperature water is heated and is not heated to a predetermined temperature when provided to the circulation valve 72, the circulation valve 72 is returned to the heating unit 74. The water is returned and recycled for further heating. If the water discharged from the heating unit 74 has a predetermined temperature or more, it is sent to the fomentation room or the storage tank 75 so that it can be used.

The heating unit 74 may be a cascade-type heating unit 74 formed by connecting a plurality of boiler units 741 in parallel. As a plurality of boiler units 741 are connected in parallel, it is easy to heat the water to a desired temperature within a given time even if a large flow rate of water is provided to the boiler system 7.

When the water circulating inside the boiler system 7 becomes insufficient, a replenishment tank 50 for storing replenished water is disposed. The ion removal kits 1, 2, 3, 35, and 36 are connected to the replenishment tank 50, so that the water softened in the replenishment tank 50 is continuously replenished.

Boiler (8)

12 is a conceptual diagram conceptually showing a boiler 8 incorporating ion removal kits 1, 2, 3, 35, 36 according to an embodiment of the present invention. Referring to FIG. 12, a boiler 8 incorporating an ion removal kit 1, 2, 3, 35, 36 according to an embodiment of the present invention is a device for providing heating by heating and circulating water, basically As it has similar configurations to the water heater 6 of FIG. 10, descriptions of overlapping components such as the heat exchanger 84, the heating passage 85, and the expansion tank 82 are described for the water heater 6, Replace with description.

Referring to the drawings, the ion removal kits 1, 2, 3, 35, and 36 are connected to the internal flow path 86. The position where the inlet port 1001 of the ion removal kits 1, 2, 3, 35, 36 is connected to the internal flow channel 86 is greater than the position where the outlet port 1002 is connected to the main flow channel 86, It is located on the upstream side based on the flow direction of water flowing along 100). The ion removal kits 1, 2, 3, 35, and 36 can be detachably connected to the internal flow channel 86.

In addition, although the ion removal kits 1, 2, 3, 35, and 36 are disposed between the expansion tank 82 and the heating flow path 85 in FIG. 12, as long as they can be disposed on the inner flow path 86, , Between the heat exchange section 84 and the expansion tank 82, between the heat exchange section 84 and the heating flow path 85, may be disposed at various positions. Therefore, the raw water softened by the ion removal kits 1, 2, 3, 35, and 36 becomes heating water circulating inside the boiler case 13 along the internal flow path 86.

The expansion tank 82 of the boiler 8 incorporating the ion removal kits 1, 2, 3, 35, 36 may be supplemented with direct water to be used as heating water through the supplementary flow path 81 from the outside. Therefore, the direct water supplemented from the outside flows along the inner flow path 86 and is transferred to the ion removal kits 1, 2, 3, 35, 36, and is removed by the ion removal kits 1, 2, 3, 35, 36. At least a portion of the ionic material is taken away to become soft water, and can be circulated along the inner flow path 86.

In this way, since the heating water circulating inside the boiler 8 is softened, the ion removal kits 1, 2, 3, 35, and 36 disposed inside the boiler 8 discharge a large amount of ionic substances from the heating water at a time. Without removing, a small amount of ionic material is removed each time the heating water circulates along the internal flow path 86, thereby providing heating water having a low TDS to prevent scale generation.

In FIG. 12, the ion removal kits 1, 2, 3, 35, and 36 are illustrated in the interior of the boiler case 13, but the ion removal kits 1, 2, 3, according to an embodiment of the present invention 35, 36) may be connected to the heating passage 85 exposed to the outside of the boiler case 13, and perform the same role. At this time, the ion removal kits 1, 2, 3, 35, and 36 are detachably connected to the heating passage 85, and can be detached as necessary.

Ion removal kits 1, 2, 3, 35, 36 according to an embodiment of the present invention are in demand, such as water heaters 6, boiler systems 7 and boilers 8 described in FIGS. 10, 11 and 12 The training method that is provided at the front end of the tree and removes ionic substances from the raw water flowing into each customer is called the Point Of Use (POU) training method. The point of entry (POE) softening method is a softening method that installs the ion removal kit at the front end of the inlet where water flows into the place where the demand is gathered, and removes the ionic substances in the raw water supplied to all the demand from the front end of the inlet. do. Ion removal kits (1, 2, 3, 35, 36) according to an embodiment of the present invention may be used in a POE method.

How to supply training

13 and 14 are conceptual diagrams showing an installation process of installing the ion removal kits 1, 2, 3, 35, and 36 in the main flow path 100 according to an embodiment of the present invention.

Using the ion removal kits (1, 2, 3, 35, 36) according to an embodiment of the present invention, it is possible to perform water treatment of a water heater that circulates or discharges water by heating it. Ion removal kits (1, 2, 3, 35, 36) for water treatment of the water heater are installed when the water heater is installed in a water source, and may be provided by softening the water provided to the water heater for the first time. In addition, while the water heater is already installed in the water source and receiving raw water, the water heater may be installed in the main flow path 100 to supply soft water from the middle to the water heater.

The ion removal kits 1, 2, 3, 35, 36 may be removed from the main flow path 100 after supplying sufficient soft water to the water heater, and the water heater in the state installed in the main flow path 100 without being removed. Water heaters may be provided to the water heater whenever water replenishment is required. Therefore, the ion removal kits 1, 2, 3, 35, and 36 can be used as a fixed type or as a removable portable type.

13 and 14, the main flow path 100 connects a water heater that is a water source S and a demand destination P, and raw water discharged from the water source S can be delivered to the water heater. In the drawings, a water heater is presented and described as an example of a demand destination P, but a demand location P such as a water heater, not the water heater, or the boiler system 7 described in FIG. 11 may be arranged.

The water source valve 108 may be disposed and operated so that raw water is not discharged or discharged from the water source S to the main flow path 100. Therefore, when the main valve 103 is not disposed or does not work, the water source valve 108 can control the flow of water flowing along the main flow path 100.

Two three-way valves are arranged in the main flow path 100 of FIG. 13. Therefore, while the main flow path 100 is connected to each three-way valve, ion removal kits 1, 2, 3, 35, and 36 are connected to each three-way valve to form an inlet point 101 and an outlet point 102. do.

The main flow path 100 of FIG. 14 is cut off, the inlet end valve 1031 capable of controlling the flow of raw water entering the ion removal kits 1, 2, 3, 35, 36, and the ion removal kit 1, 2, 3, 35, 36) is provided with a discharge means valve 1032 that can control the flow of water discharged from.

A method of supplying soft water according to embodiments of the present invention will be described with reference to FIGS. The steps in which the ion removal kits 1, 2, 3, 35, and 36 are installed in the main flow path 100 for supplying raw water to the water heater are performed. However, if the raw water is already flowing through the main flow path 100, the step of blocking the flow of raw water in the main flow path 100 must be performed first. Therefore, prior to the installation step, the step of blocking the flow of raw water to the water heater through the main flow path 100 is performed. This blocking step is arranged in a predetermined position of the main flow path 100, which is upstream from the communication position of the ion removal kits 1, 2, 3, 35, and 36 based on the flow direction of the raw water, an open water source And closing the valve 108. However, in addition to the water source valve 108, a step in which the main valve 103 is locked in an open state for blocking of raw water may be performed, the three-way valve of FIG. 14 may be used, and the inlet end valve 1031 and output of FIG. 14 may be used. A means valve 1032 may be used.

After the installation step is carried out, in order to start supply of raw water to the ion removal kits 1, 2, 3, 35, 36, the step of initiating the flow of raw water through the main flow path 100 may be further performed. Can be. In this starting step, if the raw water has never flowed through the main flow path 100, it will be the first flow of raw water, and the water heater stops the supply of raw water while receiving the raw water through the main flow path 100. And if the ion removal kit (1, 2, 3, 35, 36) is installed, it will be a step of resuming the flow of raw water.

Before the step of generating soft water, which will be described later, is performed, a preliminary step of confirming whether the ion removal kits 1, 2, 3, 35, and 36 are suitable for being performed may be subjected. As an example of the preliminary step, the method for supplying soft water according to an embodiment of the present invention is a water heater in which a communication module included in the ion removal kits 1, 2, 3, 35, 36 is used as a demand source P The method may further include receiving an identifier from. Therefore, only when the ion removal kits 1, 2, 3, 35, 36 receive a valid identifier from the water heater, the filter unit (40 in FIG. 1) is operated to perform the step of generating soft water to be described later. It may further include a step. With the ion removal kits 1, 2, 3, 35, and 36 installed in communication with the main flow path 100, the ion removal kits 1, 2, 3, 35, and 36 of the ionic material contained in the raw water The step of removing at least a portion in an electric deionizing manner to generate soft water containing less ionic material than raw water is performed.

Ion removal kits (1, 2, 3, 35, 36) may be installed post-communicating in the main flow path (100). The meaning of the post-installation means that the ion removal kits (1, 2, 3, 35, 36) are connected to the main flow path (100) with all the water sources (S) and demands (P) such as water heaters connected. Or, the main flow path 100 is connected to the water source S and the demand source P to supply raw water, and then the supply of raw water is stopped and the ion removal kits 1, 2, 3, 35, 36 are connected. It means

As described above for the ion removal kits 1, 2, 3, 35, and 36, the method of supplying soft water according to the embodiment of the present invention is performed by the ion removal kits 1, 2, 3, 35, and 36. And obtaining at least one of TDS of water containing soft water to be discharged or TDS of raw water supplied to the filter units 40 and 352 by the TDS sensor. In addition, by the control unit (C), based on the obtained TDS, the filter unit, so that the TDS of the water containing the soft water to be discharged from the ion removal kit (1, 2, 3, 35, 36) is below the reference rear end TDS 40, 352). The display unit included in the ion removal kits 1, 2, 3, 35, and 36 may further include displaying the obtained TDS.

As described above for the ion removal kits 1, 2, 3, 35, and 36, the filter unit 40, 352 removes an ionic substance by an electric deionization method using an electrode and an electrode. It is possible to alternately perform a playback mode to reproduce. In this case, the method for supplying soft water according to the embodiment of the present invention is based on the TDS obtained by the front end TDS sensors 315 and 356 from the raw water supplied to the filter units 40 and 352 by the control unit C. , The filter unit (40, 352) to control the time to perform the removal mode, so that the TDS of the water discharged from the ion removal kits (1, 2, 3, 35, 36) is below the reference rear end TDS Can be. At this time, the larger the TDS acquired by the front-end TDS sensors 315 and 356, the shorter the time for the filter units 40 and 352 to perform the removal mode. The reason why the TDS of the water discharged from the ion removal kits 1, 2, 3, 35, 36 can be reduced by shortening the time for performing the removal mode was described in the description of FIG. 3.

Based on the TDS obtained and displayed as described above, the step of setting the execution time of the removal mode such that the TDS of the water discharged from the ion removal kits 1, 2, 3, 35, and 36 becomes a reference rear end TDS is provided. A method of supplying soft water according to the embodiment may be further included. In order to set the execution time, the execution time may be input through the input unit. As described above, the larger the displayed TDS, the shorter the execution time can be in the setting step.

Method for supplying soft water according to an embodiment of the present invention, based on the TDS obtained by the front end TDS sensors 315 and 356 by the control unit C, the ion removal kits 1, 2, 3, 35, and 36 The method may further include controlling the flow rate of raw water flowing along the filter flow path 21 so that the TDS of the water discharged from the water is less than or equal to the reference rear end TDS. At this time, the larger the TDS acquired by the front end TDS sensors 315 and 356, the more the flow of raw water flowing along the filter flow path 21 can be reduced. The reason why the TDS of the water discharged from the ion removal kits 1, 2, 3, 35, 36 can be reduced by reducing the flow rate of the raw water flowing along the filter flow path 21 is described in the description of FIG. 6. .

Based on the TDS obtained and displayed as described above, the raw water flow rate in the filter flow path 21 that causes the TDS of the water discharged from the ion removal kits 1, 2, 3, 35, and 36 to become a reference rear end TDS is filtered through the filter flow path 21. ), The step of setting by the valve installed in the valve or the main flow path 100 may further include a method for supplying soft water according to an embodiment of the present invention. In order to set the flow rate, the raw water flow rate in the filter flow path 21 may be input through the input unit. As described above, the larger the displayed TDS, the less the raw water flow rate can be set in the setting step.

In the method of supplying soft water according to the embodiment of the present invention, when the ion removal kit 3 according to the third embodiment is used, by the control unit C, the raw water to be bypassed through the bypass flow passage 25 The method may further include adjusting the flow rate.

The ion removal kit 3 including the bypass flow passage 25 has a bypass valve 332 that regulates the flow rate of raw water bypassed through the bypass flow passage 25, as described for the third embodiment. ) And a filter flow rate acquisition unit 321 for acquiring a flow rate of raw water delivered to the filter unit 40.

Therefore, the step of adjusting the flow rate of the raw water to be bypassed is formed by mixing the raw water bypassed through the bypass flow path 25 and the soft water discharged from the filter unit 40 by the control unit C, and the outlet 1002 ) To bypass the bypass flow path 25 by controlling the bypass valve 332 based on the flow rate obtained by the filter flow rate acquisition unit 321, so that the TDS of the mixed water to be discharged through the reference rear end TDS or less. It may be a step of adjusting the flow rate of the raw water. The method for determining the flow rate of raw water to be bypassed based on the flow rate is in accordance with the above equation (1).

The ion removal kit 3 including the bypass flow passage 25 includes raw water bypassed through the bypass flow passage 25 and soft water discharged from the filter unit 40 as described for the third embodiment. It may be formed of a mixture of further comprises a rear end TDS sensor 331 to obtain the TDS of the mixed water to be discharged through the outlet 1002.

Therefore, the step of adjusting the flow rate of the raw water to be bypassed is based on the TDS obtained by the rear end TDS sensor 331 by the control unit C, and the TDS obtained by the rear end TDS sensor 331 is equal to or less than the reference rear end TDS. Preferably, by controlling the bypass valve 332, it may be a step of adjusting the flow rate of the raw water bypassing through the bypass flow path 25. The step of adjusting the flow rate of the raw water bypassed based on the TDS acquired by the rear end TDS sensor 331 is in accordance with Equation (2).

After the step of generating soft water, in order to supply water containing soft water to a water heater, water containing soft water is removed from the ion removal kits (1, 2, 3, 35, 36) to the main flow path (100). The step of discharging (1, 2, 3, 35, 36) may include a method for supplying soft water according to an embodiment of the present invention.

The step of generating soft water, in particular, when the water heater 5 of FIG. 10 is used, and when the circulation flow path is formed by the internal flow path 61 and the heating flow path 66 included in the water heater 5, the ion removal kit (1, 2, 3, 35, 36) until the water containing the soft water discharged from the ion removal kit (1, 2, 3, 35, 36) until it replaces all the existing water circulating through the circulation flow path It may be a step of continuing the generation of soft water. That is, when the production of the soft water is continued through the ion removal kits 1, 2, 3, 35, and 36 while the discharge hole 67 is open, the newly produced soft water is supplied to the circulation flow path, thereby circulating. Existing water circulating in the flow passage is drained through the discharge hole 67, and water circulating in the circulation flow passage is replaced. The discharge hole 67 is closed and the operation of generating the soft water ends by the operation of the ion removal kits 1, 2, 3, 35, 36 is stopped.

After the newly generated soft water completely replaces the existing water by the ion removal kits (1, 2, 3, 35, 36), the number of years generated by the ion removal kits (1, 2, 3, 35, 36) is a predetermined time. While it can be further introduced into the water heater. Since the discharge hole 67 is closed and the operation of the ion removal kits 1, 2, 3, 35, 36 is stopped, the step of generating raw water may be ended.

A drain pump (not shown) is further disposed in the inner flow passage 61 of the water heater 5 of FIG. 10, and the existing water flowing in the inner flow passage 61 by the pressure of the drain pump is passed through the discharge hole 67 It may be discharged to the outside or discharged to the outside through a pipe connected to the drainage pump. After the existing water is discharged in this way, the soft water generated by the ion removal kits 1, 2, 3, 35, and 36 flows into the internal flow path 61 to replace the existing water.

The method of supplying soft water by installing and operating the ion removal kits 1, 2, 3, 35, 36 according to embodiments of the present invention may be performed by an operator. If the water heater and the water source S, which is the demand destination P, are connected by the main flow path 100, and the raw water is supplied to the water heater, the operator operates the valve formed in the main flow path 100 to flow the raw water. Shut off. The valve may be a water source valve 108 or a main valve 103, but is not limited thereto.

In the state in which the supply of raw water has never been performed or the flow of raw water is blocked through the above process, the worker installs the ion removal kits 1, 2, 3, 35, 36 in communication with the main flow path 100. After the ion removal kits 1, 2, 3, 35, and 36 are installed, an operator can operate the above-described valve so that the raw water starts flowing along the main flow path 100.

Since raw water is supplied to the main flow path 100 and the ion removal kits (1, 2, 3, 35, 36), the operator removes the ion removal kits (1, 2, 3, 35, 36) using various information obtained through commissioning. ) Can be set.

The operator checks the TDS of the raw water displayed through the display unit, and corresponds to the TDS. The removal mode is such that the TDS of water discharged from the ion removal kits (1, 2, 3, 35, 36) is below the standard rear TDS. The execution time can be set by entering it using the input unit.

The operator can set the flow rate of raw water flowing through the filter flow path 21 corresponding to the TDS by operating a valve installed in the filter flow path 21 or the main flow path 100.

If the ion removal kit 3 including the bypass channel 25 is installed, water having a TDS below the reference rear end TDS can be provided as a water heater by controlling the flow rate to be bypassed. In this case, the operator can determine the flow rate of the raw water to be bypassed based on the flow rate flowing through the filter flow path 21 displayed on the display unit so that the TDS of the mixed water to be discharged through the outlet 1002 is equal to or less than the reference rear end TDS. I can get it. The flow rate of the raw water to be bypassed can be adjusted by an operator operating the bypass valve 332 so that the raw water of the flow to be bypassed flows along the bypass flow path 21.

The operator can obtain the flow rate of raw water to be bypassed based on the TDS obtained by the rear end TDS sensor 331 displayed on the display unit so that the TDS of the mixed water to be discharged through the outlet 1002 is equal to or less than the reference rear end TDS. have. The flow rate of the raw water to be bypassed can be adjusted by an operator operating the bypass valve 332 so that the raw water of the flow to be bypassed flows along the bypass flow path 21.

The operator sets the operating state of the ion removal kits 1, 2, 3, 35, 36 using at least one of the above-described setting steps, and the ion removal kits 1, 2, 3, 35, 36 operate to reference It is possible to provide water having a TDS of less than or equal to the downstream TDS as a water heater. The operator can allow the existing water to be discharged from the circulation passage of the water heater, so that the water produced by the ion removal kits 1, 2, 3, 35, 36 is filled in the circulation passage to replace all existing water.

Thereafter, the operator may remove the ion removal kits 1, 2, 3, 35, and 36 from the main flow path 100 in a state in which the flow of raw water is blocked by operating a valve disposed in the main flow path 100. After the ion removal kits 1, 2, 3, 35, and 36 are removed, the operator can resume the flow of raw water by operating a valve installed in the main flow path 100 again.

However, if the ion elimination kits 1, 2, 3, 35, 36 are installed in the boiler system 7 of FIG. 11 instead of a water heater, it is necessary to continuously provide water including soft water. Therefore, in the case of the ion removal kit (1, 2, 3, 35, 36) installed in the boiler system (7), unless there is a problem such as replacement or failure, without separation from the main flow path (100) , When the replenishment tank 50 needs water replenishment, it can operate to produce and discharge soft water.

Through this operator's work, it is easy to install, operate and remove the ion removal kits (1, 2, 3, 35, 36) even for water heaters that do not have the means to remove the ionic substances in the water located inside. To prevent the scale from occurring.

In the above, even if all the components constituting the embodiment of the present invention are described as being combined or operated as one, the present invention is not necessarily limited to these embodiments. That is, if it is within the scope of the present invention, all of the components may be selectively combined and operated. In addition, the terms "include", "consist" or "have" as described above mean that the corresponding component can be intrinsic, unless specifically stated otherwise, to exclude other components. It should not be interpreted as being able to further include other components. All terms, including technical or scientific terms, have the same meaning as generally understood by a person skilled in the art to which the present invention belongs, unless otherwise defined. Commonly used terms, such as predefined terms, should be interpreted as being consistent with the contextual meaning of the related art, and are not to be interpreted as ideal or excessively formal meanings unless explicitly defined in the present invention.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and variations without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical spirit of the present invention, but to explain, and the scope of the technical spirit of the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted by the claims below, and all technical spirits within the equivalent range should be interpreted as being included in the scope of the present invention.

1, 2, 3: Ion removal kit 4: Water softening system
5: water heater system 6: water heater
7: boiler system 8: boiler
10: kit case 12: water heater case
13: boiler case 21: filter flow path
22: exit flow 23: drain flow
24: 1st delivery flow path 25: Bypass flow path
26: second transmission passage 27: discharge passage
34: discharge valve 40, 352: filter unit
50: replenishment tanks 61, 86: internal flow path
62, 82: expansion tank 63: circulation pump
64, 84: heat exchanger 65: hot water heat exchanger
66, 85: heating passage 67: outlet
72: circulation valve
73: Location where heating is required, such as a sauna
74: heating unit 75: storage tank
76: shower 81: supplement euro
100: main Euro 101: point of purchase
102: exit point 103: main valve
104: inlet connector 105: outlet connector
106: branch point 107: confluence point
108: water source valve 111: water softener inlet
112: water softener outlet 311: pre-treatment filter
312: pressure acquisition unit 313: constant flow valve
314: Outlet valve 315, 356: Shear TDS sensor
321: filter flow rate acquisition unit 322: flow control valve
331: rear end TDS sensor 332: bypass valve
333: bypass flow acquisition unit 641: latent heat exchanger
642: sensible heat exchanger 643: heat source
651: Hot water flow path 652: Direct piping
741: boiler unit 1001: inlet
1002: outlet 1031: inlet valve
1032: outlet means valve C: control unit
D: flow direction P: demand
S: Suwon

Claims (30)

(a) installing an ion removal kit in communication with a main flow path for supplying raw water to a water heater that circulates or discharges water by heating; And
(b) To discharge the soft water containing less ionic material than the raw water from the ion removal kit to the main flow path, to supply the soft water to the water heater, the ion removal kit is supplied from the main flow path. A method of supplying soft water to a water heater, comprising the step of generating at least a portion of the ionic material contained in the raw water by an electric deionization method. According to claim 1,
Before the step (a), further comprising the step of blocking the flow of the raw water to the water heater through the main flow path, the method of supplying soft water to the water heater. According to claim 2,
The blocking step,
A method of supplying soft water to a water heater, comprising closing the open water source valve disposed at a predetermined position of the main flow path, which is upstream from the communication position of the ion removal kit based on the flow direction of the raw water. . According to claim 1,
Between step (a) and step (b), further comprising initiating the flow of the raw water through the main flow path to start supply of raw water to the ion removal kit, for a water heater How to supply soft water. According to claim 1,
Step (b) is,
When the circulation flow path of the water is formed by an internal flow path of the water heater and a heating flow path communicating with the internal flow path to provide heating to a heating target, water including the soft water discharged from the ion removal kit is at least, The method of supplying soft water to the water heater, which is the step of continuing to generate soft water by the ion removal kit until all the existing water circulating in the circulation flow path is replaced. The method of claim 5,
The existing water circulating in the circulation flow path is drained from the circulation flow path by supply of water containing the soft water, the method of supplying soft water to the water heater. According to claim 1,
The ion removal kit,
A filter unit that removes at least a portion of the ionic material contained in the raw water supplied from the main flow path by an electric deionization method to generate the soft water from the raw water in step (b);
A filter flow path for directly or indirectly communicating with the first position of the main flow path by the step (a) to supply raw water in the main flow path to the filter unit;
By the above step (a), it is communicated directly or indirectly to the second position of the main flow passage, which is downstream from the first position based on the flow direction of the raw water, so that the soft water is transferred from the filter unit to the main flow passage. An outlet flow channel for discharging; And
And a control unit for controlling the filter unit. The method of claim 7,
Obtaining at least one of TDS (total dissolved solids) of raw water supplied to the filter unit and TDS of water including the soft water to be discharged from the ion removal kit by a TDS sensor; And
Further comprising, by the control unit, based on the obtained TDS, controlling the filter unit so that the TDS of the water containing the soft water to be discharged from the ion removal kit is equal to or less than a reference rear end TDS, the water heater. How to supply Korean training. The method of claim 7,
Obtaining TDS of raw water supplied to the filter unit; And
In the step (b), when the filter unit alternately performs a removal mode in which the ionic material is removed by an electric deionization method through an electrode, and a regeneration mode in which the electrode is regenerated,
The control unit, based on the obtained TDS, further comprising the step of controlling the time the filter unit performs the removal mode, so that the TDS of the water discharged from the ion removal kit is less than or equal to the reference rear end TDS, Method of supplying soft water to a water heater. The method of claim 9,
The control unit, the larger the obtained TDS, the shorter the time for the filter unit to perform the removal mode, the method of supplying soft water to the water heater. The method of claim 7,
Obtaining TDS of raw water supplied to the filter unit; And
The control unit, based on the obtained TDS, further comprising the step of controlling the flow rate of the raw water flowing along the filter flow path, so that the TDS of the water discharged from the ion removal kit is below the reference rear end TDS, Method of supplying training for. The method of claim 11,
The control unit, the larger the TDS is obtained, the more the supply of soft water to the water heater, reducing the flow rate of raw water flowing along the filter flow path. The method of claim 7,
The ion removal kit is connected to an inlet through which the raw water is obtained as the ion removal kit, and an outlet through which the soft water is discharged from the ion removal kit, and at least a part of the raw water to be supplied to the inlet and supplied to the filter unit. In the case of further comprising a bypass channel for selectively bypassing to the water outlet,
Further comprising, by the control unit, adjusting the flow rate of the raw water to bypass through the bypass flow path,
The ion removal kit further includes a bypass valve for adjusting the flow rate of the raw water bypassed through the bypass flow path, and a filter flow rate acquisition unit for obtaining the flow rate of raw water delivered to the filter unit,
In the adjusting step, the TDS of the mixed water to be discharged through the outlet is formed by mixing the raw water bypassed through the bypass channel and the soft water discharged from the filter unit by the control unit. Preferably, the step of adjusting the flow rate of the raw water bypassing through the bypass flow path by controlling the bypass valve based on the flow rate obtained by the filter flow rate acquisition unit, the supply method of soft water to the water heater. The method of claim 7,
The ion removal kit is connected to an inlet through which the raw water is obtained as the ion removal kit, and an outlet through which the soft water is discharged from the ion removal kit, and at least a part of the raw water to be supplied to the inlet and supplied to the filter unit. In the case of further comprising a bypass channel for selectively bypassing to the water outlet,
Further comprising, by the control unit, adjusting the flow rate of the raw water to bypass through the bypass flow path,
The ion removal kit is formed by mixing a bypass valve for adjusting the flow rate of raw water bypassed through the bypass flow path, and raw water bypassed through the bypass flow path and soft water discharged from the filter unit. Further comprising a rear end TDS sensor to obtain the TDS of the mixed water to be discharged through,
In the adjusting, the bypass valve is controlled by the control unit so that the TDS obtained by the rear TDS sensor is equal to or less than the reference rear TDS based on the TDS acquired by the rear TDS sensor. A method of supplying soft water to a water heater, which is a step of adjusting the flow rate of raw water bypassed through the pass flow path. According to claim 1,
The ion removal kit,
A filter unit that removes at least a portion of the ionic material contained in the raw water supplied from the main flow path by an electric deionization method to generate the soft water from the raw water in step (b);
A filter flow path for directly or indirectly communicating with the first position of the main flow path by the step (a) to supply raw water in the main flow path to the filter unit;
By the above step (a), it is communicated directly or indirectly to the second position of the main flow passage, which is downstream from the first position based on the flow direction of the raw water, so that the soft water is transferred from the filter unit to the main flow passage. An outlet flow channel for discharging; And
A method of supplying soft water to a water heater, comprising a display unit for displaying predetermined information. The method of claim 15,
Obtaining TDS of raw water supplied to the filter unit; And
A method of supplying soft water to a water heater, further comprising the step of displaying the obtained TDS by the display unit. The method of claim 16,
In the step (b), when the filter unit alternately performs a removal mode in which the ionic material is removed by an electric deionization method through an electrode, and a regeneration mode in which the electrode is regenerated,
Based on the displayed TDS, further comprising the step of setting the execution time of the removal mode, so that the TDS of the water discharged from the ion removal kit is less than or equal to the reference rear end TDS, the method for supplying soft water to the water heater. The method of claim 17,
In the setting step, the larger the displayed TDS is, the shorter the setting time of the removal mode is, the method of supplying soft water to the water heater. The method of claim 17,
The ion removal kit, the filter unit further comprises an input unit for receiving the execution time to receive the time to perform the removal mode, the supply method of soft water to the water heater. The method of claim 16,
Based on the displayed TDS, the raw water flow rate in the filter flow passage, such that the TDS of the water discharged from the ion removal kit is equal to or less than the reference rear end TDS, is determined by a valve installed in the filter flow passage or a valve provided in the main flow passage. A method of supplying soft water to a water heater further comprising the step of setting. The method of claim 20,
In the setting step, the larger the displayed TDS, the smaller the flow rate of raw water in the filter flow path is. The method of supplying soft water to a water heater. The method of claim 7,
Receiving an identifier from the water heater by a communication module included in the ion removal kit; And
When the identifier is a valid identifier, for performing the step (b), further comprising the step of operating the filter unit by the control unit, the method of supplying soft water to the water heater. (a) By using an ion removal kit installed in communication with a main flow path for supplying raw water to a water heater that circulates or discharges water by heating, at least a portion of the ionic material contained in the raw water supplied from the main flow path is electrically Removing by deionization to generate soft water containing less ionic material than the raw water; And
(b) a method of supplying soft water to a water heater, comprising discharging water containing the soft water from the ion removal kit to the main flow path to supply water containing the soft water to the water heater. The method of claim 23,
The ion removal kit,
A filter unit that removes at least a portion of the ionic material contained in the raw water supplied from the main flow path by an electric deionization method to generate the soft water from the raw water;
A filter flow path for directly or indirectly communicating with the first position of the main flow path to supply raw water in the main flow path to the filter unit;
An outflow passage for directly or indirectly communicating with the second position of the main flow passage, which is downstream from the first position, based on the flow direction of the raw water, for discharging the water from the filter unit to the main flow passage; And
And a control unit for controlling the filter unit. The method of claim 24,
Obtaining TDS of raw water supplied to the filter unit; And
When the filter unit alternately performs a removal mode in which the ionic material is removed by an electric deionization method through an electrode, and a regeneration mode in which the electrode is regenerated,
The control unit, based on the obtained TDS, further comprising the step of controlling the time the filter unit performs the removal mode, so that the TDS of the water discharged from the ion removal kit is less than or equal to the reference rear end TDS, Method of supplying soft water to a water heater. The method of claim 24,
Obtaining TDS of raw water supplied to the filter unit; And
The control unit, based on the obtained TDS, further comprising the step of controlling the flow rate of the raw water flowing along the filter flow path, so that the TDS of the water discharged from the ion removal kit is below the reference rear end TDS, Method of supplying training for. The method of claim 23,
The ion removal kit,
A filter unit that removes at least a portion of the ionic material contained in the raw water supplied from the main flow path by an electric deionization method to generate the soft water from the raw water;
A filter flow path for directly or indirectly communicating with the first position of the main flow path to supply raw water in the main flow path to the filter unit;
An outflow passage for directly or indirectly communicating with the second position of the main flow passage, which is downstream from the first position, based on the flow direction of the raw water, for discharging the water from the filter unit to the main flow passage; And
A method of supplying soft water to a water heater, comprising a display unit for displaying predetermined information. The method of claim 27,
Obtaining TDS of raw water supplied to the filter unit; And
A method of supplying soft water to a water heater, further comprising the step of displaying the obtained TDS by the display unit. The method of claim 27,
When the filter unit alternately performs a removal mode in which the ionic material is removed by an electric deionization method through an electrode, and a regeneration mode in which the electrode is regenerated,
A method of supplying soft water to a water heater, further comprising the step of receiving an execution time of the removal mode, such that the TDS of the water discharged from the ion removal kit is less than or equal to a reference rear end TDS. The method of claim 27,
Further comprising the step of setting the flow rate of the raw water in the filter flow path, the valve installed in the filter flow path or the main flow path, so that the TDS of the water discharged from the ion removal kit is below the reference rear end TDS. , How to supply soft water to water heater.

Images