CN218435410U - Water purifying equipment - Google Patents

Abstract

The utility model provides a water purifying equipment, include: the filtering module is provided with a first water inlet and a first water outlet; the softening module is provided with a second water inlet and a second water outlet, and the second water inlet is connected with the first water outlet; the heating module is provided with a third water inlet and a third water outlet, and the third water inlet is connected with the second water outlet; the first end of the first valve is connected with the second water outlet, the second end of the first valve is connected with the third water outlet, and the third end of the first valve is a drainage end. The technical scheme of the utility model the problem that the demineralized water temperature that water purification unit provided is single among the prior art has been solved effectively.

Description

Water purifying equipment

Technical Field

The utility model relates to a water softening technology field especially relates to a water purification unit.

Background

Along with the improvement of living standard of people, people pay more and more attention to water quality sanitation, and the water quality requirement of scenes such as face washing, tooth brushing, skin care and the like is higher and higher. At present, the view point that soft water face washing is helpful for maintaining beauty and keeping young is widely accepted, soft water products are increasingly used by users, and the demand for soft water is also increasing. However, the soft water provided by the existing soft water preparation product has single temperature, and various temperatures cannot be provided for users to select.

SUMMERY OF THE UTILITY MODEL

The problem that the temperature of the softened water that provides for solving prior art water purification unit is single, the utility model provides a water purification unit. In order to achieve one or a part or all of the above purposes or other purposes, the utility model provides a water purifying device includes: the filtering module is provided with a first water inlet and a first water outlet; the softening module is provided with a second water inlet and a second water outlet, and the second water inlet is connected with the first water outlet; the heating module is provided with a third water inlet and a third water outlet, and the third water inlet is connected with the second water outlet; the first end of the first valve is connected with the second water outlet, the second end of the first valve is connected with the third water outlet, and the third end of the first valve is a drainage end.

In some preferred embodiments, the water purifying apparatus further comprises a second valve, wherein the water inlet end of the second valve is connected to the first water outlet, and the water outlet end of the second valve is connected to the third end of the first valve.

In some preferred embodiments, the water purifying apparatus further comprises a third valve, a first end of the third valve is connected to the first water outlet, a second end of the third valve is connected to the second water outlet, and a third end of the third valve is connected to the first end of the first valve.

In some preferred embodiments, the water purifying apparatus further comprises a regeneration module, a fourth valve and a check valve, the regeneration module has a fourth water inlet and a fourth water outlet, a water inlet end of the fourth valve is connected to the first water outlet, a water outlet end of the fourth valve is connected to the fourth water inlet, a water inlet end of the check valve is connected to the fourth water outlet, and a water outlet end of the check valve is connected to the second water inlet; or the water inlet end of the check valve is connected with the first water outlet, the water outlet end of the check valve is connected with the fourth water inlet, the water inlet end of the fourth valve is connected with the fourth water outlet, and the water outlet end of the fourth valve is connected with the second water inlet.

In some preferred embodiments, the water purifying apparatus further comprises a first flow meter disposed at the second water inlet of the softening module.

In some preferred embodiments, the water purifying apparatus further comprises a restrictor, a first end of the restrictor is connected with the fourth water outlet, and a second end of the restrictor is connected with the second water inlet; or the water purifying equipment further comprises an ejector, the first end of the ejector is connected with the fourth water outlet, the second end of the ejector is connected with the first water outlet, and the third end of the ejector is connected with the second water inlet.

In some preferred embodiments, the water purifying apparatus further comprises a fifth valve, and the water inlet end of the fifth valve is connected with the third end of the first valve.

In some preferred embodiments, the water purifying apparatus further comprises a sixth valve, and the water inlet end of the sixth valve is connected with the third end of the first valve.

In some preferred embodiments, the water purification apparatus further comprises a second flow meter, and the second flow meter is disposed at the water outlet end of the fifth valve.

In some preferred embodiments, the water purification apparatus further comprises a pressure relief valve provided on the heating module.

Implement the technical scheme of the utility model, following beneficial effect will have:

water enters the filtering module from the first water inlet, and the filtering module can preliminarily filter water resources and reduce impurities and residual chlorine in water. The water after primary filtration flows out of the first water outlet and enters the softening module through the second water inlet, and calcium and magnesium ions in the water are absorbed to soften the water. Softened water flows out of the second water outlet and can enter the heating module from the third water inlet, and the softened water is heated and heated in the heating module. The first end of the first valve is connected with the second water outlet, the second end is connected with the third water outlet, and the third end is a drainage end. When the first end is communicated with the third end, only the softening module discharges water, the softened water with lower temperature can be directly discharged, and the water purifying equipment can provide the softened water with the first temperature level; when the second end is communicated with the third end, only the heating module discharges water, the softened water with higher temperature can be directly discharged, and the water purifying equipment can provide softened water with a second temperature level; when first end and second end communicate with the third end simultaneously, soften the module and turn on the water with heating module simultaneously, high microthermal demineralized water mixes, and the temperature is between first temperature level and second temperature level, and water purification unit can provide the demineralized water of third temperature level. After having adopted above-mentioned water purification unit, the user can obtain the demineralized water of at least three temperature levels, has increased user's selection scope, has enlarged water purification unit's application scope.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Wherein:

fig. 1 shows a schematic structural diagram of a first embodiment of a water purification apparatus according to the present invention;

fig. 2 shows a schematic structural view of a second embodiment of the water purification apparatus according to the present invention;

fig. 3 shows a schematic structural view of a third embodiment of the water purification apparatus according to the present invention;

fig. 4 shows a schematic structural view of a fourth embodiment of the water purification apparatus according to the present invention;

fig. 5 shows a schematic structural view of a fifth embodiment of the water purification apparatus according to the present invention;

fig. 6 shows a schematic structural view of a sixth embodiment of a water purification apparatus according to the present invention;

fig. 7 shows a schematic structural view of a seventh embodiment of a water purification apparatus according to the present invention;

fig. 8 shows a schematic structural view of an eighth embodiment of a water purification apparatus according to the present invention;

fig. 9 shows a schematic structural view of an embodiment nine of a water purification apparatus according to the present invention;

fig. 10 shows a schematic structural view of an embodiment ten of a water purification apparatus according to the present invention; and

fig. 11 shows a schematic structural diagram of an eleventh embodiment of a water purification apparatus according to the present invention.

The above figures contain the following reference numerals:

10. a filtration module; 20. a softening module; 30. a heating module; 32. a heating body; 40. a regeneration module; 81. an ejector; 82. a restrictor; 83. a check valve; 88. a first flow meter; 89. a second flow meter; 91. a fifth valve; 92. a sixth valve; 93. a first valve; 94. a second valve; 95. a third valve; 96. a fourth valve; 97. a third three-way valve; 98. a third flow passing valve; 99. and (6) a pressure relief valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, the descriptions in the present application related to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated are implicitly being indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1, the water purifying apparatus of the first embodiment includes: a filtration module 10, a softening module 20, a heating module 30, and a first valve 93. Wherein, the filtering module 10 has a first water inlet and a first water outlet, and can be selected from a polyvinyl chloride filter element (PPC); the softening module 20 is provided with a second water inlet and a second water outlet, and a resin filter core can be selected, such as softened resin, mixed bed resin and the like; the heating module 30 has a third water inlet and a third water outlet, the heating module 30 includes a hot tank, a heating body 32 and a temperature sensor (NTC) are arranged in the hot tank, the heating body 32 can heat water in the hot tank to a preset temperature after the hot tank is filled with water, and the temperature sensor (NTC) is used for measuring the temperature of softened water in the heating module 30.

The second water inlet is connected with the first water outlet, and the third water inlet is connected with the second water outlet. The first valve 93 is a valve with switching and mixing functions, and specifically, as shown in fig. 1, a first end a of the first valve 93 is connected to the second water outlet of the softening module 20, a second end B of the first valve 93 is connected to the third water outlet of the heating module 30, and a third end C of the first valve 93 is a water discharging end.

Water enters the filter module 10 from the water inlet pipeline through the first water inlet, and the filter module 10 can preliminarily filter water resources and reduce impurities and residual chlorine in water. The water after the primary filtration flows out from the first water outlet and enters the softening module 20 through the second water inlet, and calcium and magnesium ions in the water are absorbed to play a role in softening the water. The softened water flows out from the second water outlet and can enter the heating module 30 from the third water inlet, and the softened water is heated and heated in the heating module 30. The first end a of the first valve 93 is connected to the second water outlet, the second end B is connected to the third water outlet, and the third end C is a drain end.

When the first end a and the third end C of the first valve 93 are communicated, only the softening module 20 discharges water, the softened water with a lower temperature can be directly discharged, and the water purifying device can provide softened water with a first temperature level, such as normal-temperature water;

when the second end B and the third end C of the first valve 93 are communicated, only the heating module 30 discharges water, the softened water with a higher temperature can be directly discharged, and the water purifying device can provide softened water with a second temperature level, such as hot water at 50 ℃;

when the first end a and the second end B of the first valve 93 are communicated with the third end C simultaneously, the softening module 20 and the heating module 30 discharge water simultaneously, softened water at high and low temperatures is mixed, the temperature is between the first temperature level and the second temperature level, the water purifying device can provide softened water at the third temperature level, and the specific temperature can be adjusted by adjusting the mixing proportion.

After having adopted above-mentioned water purification unit, the user can obtain the demineralized water of at least three temperature levels, has increased user's selection scope, has enlarged water purification unit's application scope.

When the temperature sensor (NTC) in the hot tank measures that the water temperature is lower than a certain value, the heating body 32 may be activated to make the water temperature reach a preset value. Preferably, the outer wall cladding of hot jar has the heat preservation effect of heat preservation material improvement.

The filter element material of the filter module 10 can be one or more of porous materials such as stainless steel mesh, PP cotton, folded paper PP, non-woven fabric and active carbon, and the effect of filtering particle impurities is achieved.

As shown in fig. 1, the water purifying apparatus of this embodiment further includes a fifth valve 91, and a water inlet end of the fifth valve 91 is connected to a third end of the first valve 93.

The fifth valve 91 is preferably an electromagnetic valve and is used for controlling the on-off of the water purifying equipment, when water is needed, the fifth valve 91 is opened, and the water prepared according to the requirement can flow out of a water using port, so that a user can conveniently take the water; when no water is needed, the fifth valve 91 is closed to avoid leakage of the water purifying equipment.

Preferably, as shown in fig. 1, a temperature sensor (NTC) is also provided between the first valve 93 and the fifth valve 91 to help determine and adjust the water temperature of the water using port.

As shown in fig. 1, the water purifying apparatus of this embodiment further includes a second valve 94, a water inlet end of the second valve 94 is connected to the first water outlet, and a water outlet end of the second valve 94 is a water outlet end.

The second valve 94 is preferably a solenoid valve, and when the second valve 94 and the fifth valve 91 are simultaneously opened, the water purifying apparatus can directly provide the normal temperature purified water processed by the filter module 10 to the user, providing more options to the user.

The second embodiment:

as shown in fig. 2, a sixth valve 92 is additionally provided in the water purifying apparatus of the second embodiment, and a water inlet end of the sixth valve 92 is connected to a third end of the first valve 93.

In the water purifying apparatus of this embodiment, the fifth valve 91 may be used as a water using port for discharging water used by a user, and the sixth valve 92 may be used as a water discharging port for discharging non-drinking water used for cleaning the heating module 30. Specifically, when the water purifying apparatus is used for a period of time or is not used for a long time, the heating module 30 needs to be flushed, at this time, the fifth valve 91 can be kept closed, the sixth valve 92 and the second end B and the third end C of the first valve 93 are opened, the softened water treated by the filtering module 10 and the softening module 20 is flushed with the heating module 30, and the water in the heating module 30 is discharged from the sixth valve 92. The water using port and the water discharging port are respectively controlled by two independent valves, so that the pollution to the fifth valve 91 and the water using port is avoided.

Example three:

as shown in fig. 3, the water purifying apparatus of the third embodiment further includes a third valve 95, the third valve 95 is a valve with switching and mixing functions, and specifically, as shown in fig. 3, a first end D of the third valve 95 is connected to the first water outlet of the filtering module 10, a second end E of the third valve 95 is connected to the second water outlet of the softening module 20, and a third end F of the third valve 95 is connected to the first end a of the first valve 93.

The water purifying apparatus of the present embodiment can provide a user with a wider variety of water than the first and second embodiments, specifically:

when the first end a and the third end C of the first valve 93 are communicated and the first end D and the third end F of the third valve 95 are communicated, the fifth valve 91 is opened, and the water purification apparatus can provide normal-temperature purified water;

when the first end a and the third end C of the first valve 93 are communicated and the second end E and the third end F of the third valve 95 are communicated, the fifth valve 91 is opened, and the water purifying device can provide softened normal-temperature purified water;

when the first end a and the second end B of the first valve 93 are both communicated with the third end C and the first end D and the third end F of the third valve 95 are communicated, the fifth valve 91 is opened, and the water purifying device can provide softened warm purified water;

when the first end a and the third end C of the first valve 93 are communicated and the first end D and the second end E of the third valve 95 are both communicated with the third end F, the fifth valve 91 is opened, the softened water is mixed with the purified water, and the water purifying device can provide semi-softened normal-temperature water;

when the first end a and the second end B of the first valve 93 are communicated with the third end C and the first end D and the second end E of the third valve 95 are communicated with the third end F, the fifth valve 91 is opened, and the water purifying apparatus can provide semi-softened warm water.

Different types of water are controlled to be mixed through the first valve 93 and the third valve 95, water with different temperatures and hardness is obtained, and more choices are provided for users.

Example four:

as shown in fig. 4, the water purifying apparatus of this embodiment further includes a regeneration module 40, a fourth valve 96 and a check valve 83, the regeneration module 40 has a fourth water inlet and a fourth water outlet, a water inlet end of the fourth valve 96 is connected to the first water outlet of the filter module 10, a water outlet end of the fourth valve 96 is connected to the fourth water inlet, a water inlet end of the check valve 83 is connected to the fourth water outlet, and a water outlet end of the check valve 83 is connected to the second water inlet.

Compared with the embodiment, the water purifying device of the embodiment adds the regeneration function of the softening module. Specifically, after the softening module 20 is used for a period of time, the adsorbed calcium and magnesium ions tend to be saturated, the softening effect on water is reduced, and a regeneration mode of the softening filter element needs to be started, so that the calcium and magnesium ions adsorbed by the softening module 20 are replaced into water by utilizing monovalent ions in the regenerated salt solution in the regeneration module 40, and the capacity of the softening filter element for adsorbing the calcium and magnesium ions, namely the capacity of softening water, is recovered. The softening filter core is regenerated after being adsorbed and saturated, so that the softening capacity is recovered, the service life of the softening filter core can be greatly prolonged, the user is prevented from frequently replacing the filter core, and the use cost of the water purifying equipment is reduced.

In the softening cartridge regeneration mode: the first end a of the first valve 93 is connected to the third end C, the second end E of the third valve 95 is connected to the third end F, and when the fourth valve 96 and the sixth valve 92 are opened, a portion of the purified water can flow through the regeneration module 40 to form a salt solution, which is further mixed with another portion of the purified water into the softening module 20. The mixed liquor can displace calcium and magnesium ions absorbed in the softening module 20 into the mixed liquor. After the replacement is completed, the fourth valve 96 is closed and the water entering the water purification unit can flush the saline solution. As above, the water purifying apparatus can restore the softening capacity.

Preferably, the regenerable salt filter elements in the regeneration module 40 include, but are not limited to, sodium chloride, potassium chloride, split acids and bases, and the like.

As shown in fig. 4, the water purifying apparatus of the present embodiment further includes a first flow meter 88, and the first flow meter 88 is disposed at the second water inlet of the softening module 20. The first flow meter 88 is operable to meter the amount of water in the softening module 20 for determining whether the softening module 20 is saturated with adsorbed calcium and magnesium ions. The first flow meter 88 also can accurately meter the amount of the regenerating salt solution in the regeneration process, thereby reducing the waste of the regenerating salt.

In other embodiments not shown in the figures, the first flow meter 88 may also be arranged at the second water outlet of the softening module, and the flow rate of the regenerated saline solution can also be recorded, so as to achieve the above effect.

As shown in fig. 4, the water purifying apparatus of this embodiment further includes an ejector 81, a first end of the ejector 81 is connected to the fourth water outlet of the regeneration module 40, a second end of the ejector 81 is connected to the first water outlet of the filtering module 10, and a third end of the ejector 81 is connected to the second water inlet of the softening module 20.

The ejector 81 is a venturi tube using the venturi principle, when water flows from the second end to the third end, a low pressure can be formed at the first end, and the salt solution in the regeneration module 40 enters the ejector 81 under the pressure to be mixed with the purified water. The effect of the device is that when the softening module 20 regenerates, the saturated saline water in the water is mixed into the regeneration module 40, and the mixing proportion of the saline solution and the purified water can be adjusted by controlling the size of the ejector 81, so that the saline solution and the purified water are mixed into the regeneration saline solution with a certain concentration.

The water purification device of the embodiment is further provided with a water quality detection sensor (TDS) which is arranged at the second water inlet of the softening module 20. The Total Dissolved Solids (TDS), also known as Total dissolved solids, may reflect the amount of salt in the water, with higher TDS values being associated with higher salt concentrations. A water quality detection sensor (TDS) is provided at the second water inlet of the softening module 20 to detect the TDS value of the water entering the softening module 20. Water quality testing sensor (TDS) can also be arranged in judging whether the regeneration salt has been used up in the regeneration salt filter core, promptly in the regeneration process of softening module 20, if the regeneration salt solution concentration that gets into softening module 20 is less than a definite value, can judge that the regeneration salt has been used up in the regeneration salt filter core, suggestion user changes the regeneration salt filter core in the regeneration module 40.

EXAMPLE five

As shown in fig. 5, the water purifying apparatus of the fifth embodiment replaces the ejector 81 of the fourth embodiment with the restrictor 82, specifically, a first end of the restrictor 82 is connected to the fourth water outlet, and a second end of the restrictor 82 is connected to the second water inlet.

The restrictor 82 is operable to regulate the fluid pressure during regeneration of the softening module 20, to mix the saturated regenerated salt solution into the purified water in a proportion such that the regenerated salt solution entering the softening module 20 is within a certain concentration range.

Example six

As shown in fig. 6, the water purifying apparatus of the sixth embodiment further includes a second flow meter 89, and the second flow meter 89 is disposed at the water outlet end of the fifth valve 91, compared with the fourth embodiment.

The second flow meter 89 can be prepared to measure the flow of the water from the water outlet, so that the water purifying device has the function of quantitative water outlet.

Example seven:

compared with the fourth embodiment, the water purifying apparatus of the seventh embodiment adjusts the arrangement positions of the check valve 83 and the fourth valve 96, as shown in fig. 7, the water inlet end of the check valve 83 of the seventh embodiment is connected to the first water outlet of the filtering module 10, the water outlet end of the check valve 83 is connected to the fourth water inlet of the regeneration module 40, the water inlet end of the fourth valve 96 is connected to the fourth water outlet of the regeneration module 40, and the water outlet end of the fourth valve 96 is connected to the second water inlet of the softening module 20.

This scheme can ensure that the salt ion in regeneration salt filter core of regeneration module 40 can not slowly permeate to ejector 81, avoids mixing the too high TDS value of salt solution, can avoid regeneration salt solution life-span to consume too fast simultaneously.

Example eight

As shown in fig. 8, in the eighth embodiment, a structure such as a regeneration module 40 is added to the second embodiment, that is, a replacement regeneration function for the softening module 20 is added to the function of the second embodiment, which is not described herein again.

Example nine

As shown in fig. 9, in the ninth embodiment, the fourth valve 96 in the fourth embodiment is replaced by a third three-way valve 97, a first end G of the third three-way valve 97 is connected to the first water outlet of the filtration module 10, a second end H of the third three-way valve 97 is connected to the fourth water inlet of the regeneration module 40, a third end I of the third three-way valve 97 is connected to the second end of the ejector 81, and the flow direction of water in the water purification apparatus is controlled by controlling the opening and closing of the third three-way valve 97. When the third three-way valve 97 is closed, the water pressure from the water source is not received in the downstream piping in the water purifying apparatus.

Example ten

As shown in fig. 10, the third flow-through valve 98 is added to the water purifying apparatus of the tenth embodiment on the basis of the fourth embodiment, and in the tenth embodiment, the water supply mode of the water purifying apparatus can be adjusted by controlling the opening and closing of the third flow-through valve 98, so that functions similar to those of the ninth embodiment can be realized, and further description is omitted.

EXAMPLE eleven

As shown in fig. 11, the water purifying apparatus of this embodiment further includes a pressure relief valve 99, and an air inlet end of the pressure relief valve 99 is connected to the heating module 30.

The pressure relief valve 99 is used for protecting the heating module 30, and when the pressure in the hot tank of the heating module 30 exceeds the opening threshold of the pressure relief valve 99 due to excessive water pressure and excessive heating temperature, the pressure relief valve 99 is opened to drain away a certain amount of water or gas, so that the hot tank and equipment are prevented from being damaged due to excessive pressure.

Preferably, the outlet of the pressure relief valve 99 of this embodiment is connected to the drain.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention, therefore, all equivalent variations of the present invention are intended to be covered by the present invention.

Claims (10)

1. A water purification apparatus, comprising:

the filtering module is provided with a first water inlet and a first water outlet;

the softening module is provided with a second water inlet and a second water outlet, and the second water inlet is connected with the first water outlet;

the heating module is provided with a third water inlet and a third water outlet, and the third water inlet is connected with the second water outlet;

the first end of the first valve is connected with the second water outlet, the second end of the first valve is connected with the third water outlet, and the third end of the first valve is a drainage end.

2. The water purification apparatus of claim 1, further comprising a second valve, wherein the water inlet end of the second valve is connected to the first water outlet, and the water outlet end of the second valve is connected to the third end of the first valve.

3. The water purification apparatus of claim 1, further comprising a third valve, wherein a first end of the third valve is connected to the first water outlet, a second end of the third valve is connected to the second water outlet, and a third end of the third valve is connected to the first end of the first valve.

4. The water purifying apparatus according to claim 2 or 3, further comprising a regeneration module, a fourth valve and a check valve, wherein the regeneration module has a fourth water inlet and a fourth water outlet, a water inlet end of the fourth valve is connected to the first water outlet, a water outlet end of the fourth valve is connected to the fourth water inlet, a water inlet end of the check valve is connected to the fourth water outlet, and a water outlet end of the check valve is connected to the second water inlet;

or the water inlet end of the check valve is connected with the first water outlet, the water outlet end of the check valve is connected with the fourth water inlet, the water inlet end of the fourth valve is connected with the fourth water outlet, and the water outlet end of the fourth valve is connected with the second water inlet.

5. The water purification apparatus of claim 4, further comprising a first flow meter disposed at the second water inlet of the softening module.

6. The water purification apparatus of claim 4, further comprising a restrictor, a first end of the restrictor being connected to the fourth water outlet, a second end of the restrictor being connected to the second water inlet;

or the water purifying equipment further comprises an ejector, the first end of the ejector is connected with the fourth water outlet, the second end of the ejector is connected with the first water outlet, and the third end of the ejector is connected with the second water inlet.

7. The water purification apparatus of claim 1, further comprising a fifth valve, wherein a water inlet end of the fifth valve is connected with a third end of the first valve.

8. The water purification apparatus of claim 7, further comprising a sixth valve, wherein the water inlet end of the sixth valve is connected to the third end of the first valve.

9. The water purification apparatus of claim 8, further comprising a pressure relief valve, wherein an air inlet end of the pressure relief valve is connected to the heating module.

10. The water purification apparatus of claim 7, further comprising a second flow meter disposed at a water outlet end of the fifth valve.

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