CN219640440U - Instant heating module and water purification equipment - Google Patents

Abstract

The utility model discloses an instant heating module and water purifying equipment, wherein a flue gas channel and a water purifying channel which are mutually independent are arranged in a heat exchanger of the instant heating module, the water purifying channel comprises a first water inlet and a first water outlet, a water inlet pipe is connected with drinking water and is communicated with the first water inlet, a hot water outlet pipe is communicated with the first water outlet, the flue gas channel comprises an air inlet and an exhaust gas port, a fuel gas heating component is communicated with the air inlet, an exhaust gas pipe is communicated with an exhaust gas port, the fuel gas heating component generates high-temperature flue gas, the high-temperature flue gas enters the flue gas channel through the air inlet, and heat energy is conducted to the drinking water in the water purifying channel to form the waste flue gas and is discharged from the exhaust gas pipe through the exhaust gas port. The instant heating type water purifying device can realize instant heating of large-flow water, does not need to keep warm continuously, and solves the problems that the old water can not be replaced by the drinking water in the hot tank of the traditional hot tank heating type water purifying device and the energy consumption is high.

Description

Instant heating module and water purification equipment

Technical Field

The utility model relates to the technical field of water purification treatment, in particular to an instant heating module and water purification equipment.

Background

With the improvement of living standard of people, people pay more attention to water quality sanitation, and families are provided with water purifying equipment to become a trend. At present, the functions of water purifying equipment are more and more diversified, and water purifying equipment on the market is generally provided with instant heating functions, such as hot pot heating type water purifying equipment.

The water outlet flow of the hot tank heating type water purifying device is large enough and is popular with users. However, the drinking water in the hot tank of the hot tank heating type water purifying device cannot be replaced by old water, and the hot tank can continuously dissipate heat and keep warm, so that the energy consumption of the water purifying device is improved.

Disclosure of Invention

The utility model provides an instant heating module and water purifying equipment, which are used for solving the problems that the drinking water in a hot tank of the traditional hot tank heating type water purifying equipment cannot be replaced by aged water, the hot tank can continuously dissipate heat and keep warm, and the energy consumption of the water purifying equipment is improved.

In order to solve the technical problems, the utility model adopts a technical scheme that an instant heating module is provided, the instant heating module comprises a fuel gas heating component, a heat exchanger, a water inlet pipe, a hot water outlet pipe, an exhaust pipe and an exhaust check valve, and a flue gas channel and a water purifying channel which are mutually independent are arranged in the heat exchanger; the water purifying channel comprises a first water inlet and a first water outlet, the water inlet pipe is connected with drinking water and communicated with the first water inlet, and the hot water outlet pipe is communicated with the first water outlet; the flue gas channel comprises an air inlet and an exhaust gas port, the gas heating component is communicated with the air inlet, and the exhaust gas pipe is communicated with the exhaust gas port; the gas heating assembly generates high-temperature smoke, the high-temperature smoke enters the smoke channel through the air inlet, heat energy is conducted to drinking water in the water purifying channel to form waste smoke, and the waste smoke is discharged from the waste gas pipe through the waste gas port.

In one embodiment, the gas heating assembly comprises a gas valve, a fan, an ejector, a combustor and a gas pipe, wherein the ejector is communicated with the gas pipe and the fan, the gas valve is arranged on the gas pipe, and the combustor is communicated with the ejector and the gas inlet.

In one embodiment, the gas heating assembly further comprises a throttle valve disposed on the gas pipe between the gas valve and the eductor.

In one embodiment, the gas heating assembly further comprises a pressure relief valve disposed on the gas line between the gas valve and the eductor.

In one embodiment, the gas heating assembly further comprises a regulator valve disposed on the gas line between the gas valve and the eductor.

In one embodiment, the instant heating module further comprises a water tank in communication with the water inlet pipe, the water tank for storing potable water, the potable water in the water tank entering the heat exchanger via the water inlet pipe.

The utility model also provides water purifying equipment for solving the technical problems, the water purifying equipment comprises the instant heating module, the water purifying module comprises a first electromagnetic valve, a booster pump, a membrane filter element and a water pumping assembly, and the membrane filter element comprises a second water inlet, a second water outlet and a third water outlet; one end of the first electromagnetic valve is connected with tap water, the other end of the first electromagnetic valve is communicated with one end of the booster pump, the other end of the booster pump is communicated with the second water inlet, the second water outlet discharges concentrated water, the third water outlet discharges drinking water, and the water pumping assembly is communicated with the third water outlet and the water inlet pipe.

In one embodiment, the water purification module further comprises a preposed filter element, a return pipe, a second electromagnetic valve and a check valve, wherein the preposed filter element comprises a third water inlet and a fourth water outlet, the third water inlet is connected with tap water, and the fourth water outlet is communicated with one end of the first electromagnetic valve; the third water outlet, the water pumping assembly and one end of the return pipe are communicated in a three-way structure, the other end of the return pipe, the other end of the first electromagnetic valve and one end of the booster pump are communicated in a three-way structure, the second electromagnetic valve and the check valve are arranged on the return pipe, and the water flow direction of the check valve is from the third water outlet to one end of the booster pump.

In one embodiment, the water pumping assembly comprises a zero-pressure valve and a water pump, one end of the zero-pressure valve is communicated with the third water outlet, the other end of the zero-pressure valve is communicated with the water inlet end of the water pump, and the water outlet end of the water pump is communicated with the water inlet pipe.

In one embodiment, the water pumping assembly comprises a flow control pump, the water inlet end of the flow control pump is communicated with the third water outlet, and the water outlet end of the flow control pump is communicated with the water inlet pipe.

Compared with the prior art, the instant heating module and the water purifying equipment provided by the embodiment of the utility model have the following advantages:

1. in the instant heating module provided by the embodiment of the utility model, the heat exchanger is internally provided with the flue gas channel and the water purifying channel which are mutually independent, the water purifying channel comprises the first water inlet and the first water outlet, the water inlet pipe is connected with the drinking water and is communicated with the first water inlet, the hot water outlet pipe is communicated with the first water outlet, the flue gas channel comprises the air inlet and the waste gas port, the gas heating component is communicated with the air inlet, the waste gas pipe is communicated with the waste gas port, the gas heating component generates high-temperature flue gas, the high-temperature flue gas enters the flue gas channel through the air inlet, and the heat energy is transmitted to the drinking water in the water purifying channel to form waste flue gas and is discharged from the waste gas pipe through the waste gas port. Through such setting, can realize that instant heating heats the large-traffic play water, need not to keep warm continuously, solve the drinking water in the hot jar of traditional hot jar heating formula water purification unit and can't solve old water replacement, the problem that the energy consumption is high. In addition, this instant heating module adopts gas heating element, can continuously export boiling water, guarantees that the water flow is big enough, promotes user's water intaking greatly and experiences.

2. In the instant heating module provided by the embodiment of the utility model, the fuel gas heating assembly comprises a fuel gas valve, a fan, an ejector, a burner and a fuel gas pipe, wherein the ejector is communicated with the fuel gas pipe and the fan, the fuel gas valve is arranged on the fuel gas pipe, and the burner is communicated with the ejector and the air inlet. Through setting up like this, the fan provides sufficient atmospheric pressure for the ejector when providing the air, can let gas and air mix according to the proportion to let gas and air intensive mixing even, convenient heating.

3. In the instant heating module provided by the embodiment of the utility model, the fuel gas heating assembly further comprises a throttle valve, and the throttle valve is arranged on the fuel gas pipe and is positioned between the fuel gas valve and the ejector. Through setting up the choke valve, can reduce the gas inlet pressure of ejector, be convenient for cooperate the heating power of fan control combustor.

4. In the instant heating module provided by the embodiment of the utility model, the fuel gas heating assembly further comprises a pressure reducing valve, and the pressure reducing valve is arranged on the fuel gas pipe and is positioned between the fuel gas valve and the ejector. Through setting up the relief pressure valve, can reduce the gas inlet pressure of ejector, be convenient for cooperate the heating power of fan control combustor.

5. In the instant heating module provided by the embodiment of the utility model, the gas heating assembly further comprises a regulating valve, and the regulating valve is arranged on the gas pipe and is positioned between the gas valve and the ejector. Through setting up the governing valve, can adjust the flow area in certain within range, according to the actual operating mode of combustor, adjust the flow area in real time, combine with the fan, adjust the power of combustor in bigger within range.

6. In the water purifying device provided by the embodiment of the utility model, the water purifying device comprises a water purifying module and an instant heating module, the water purifying module comprises a first electromagnetic valve, a booster pump, a membrane filter element and a water pumping assembly, the membrane filter element comprises a second water inlet, a second water outlet and a third water outlet, one end of the first electromagnetic valve is connected with tap water, the other end of the first electromagnetic valve is communicated with one end of the booster pump, the other end of the booster pump is communicated with the second water inlet, the second water outlet discharges concentrated water, the third water outlet discharges drinking water, and the water pumping assembly is communicated with the third water outlet and the water inlet pipe. The membrane filter core is communicated with the instant heating module through the water pumping module, so that tap water is purified and filtered to form drinking water, and then the drinking water is heated by the instant heating module to generate hot water, the water purifying equipment with the instant heating function is realized, and the practicability of the water purifying equipment is greatly improved.

7. In the water purifying device provided by the embodiment of the utility model, the water purifying module further comprises a preposed filter element, a return pipe, a second electromagnetic valve and a check valve, wherein the preposed filter element comprises a third water inlet and a fourth water outlet, the third water inlet is connected with tap water, the fourth water outlet is communicated with one end of the first electromagnetic valve, the third water outlet, the water pumping assembly and one end of the return pipe are communicated in a three-way structure, the other end of the return pipe and the other end of the first electromagnetic valve are communicated in a three-way structure, the second electromagnetic valve and the check valve are arranged on the return pipe, and the water flow direction of the check valve is unidirectional flow from the third water outlet to one end of the booster pump. Through setting up like this, increased the pure water backward flow branch road, can flow back the pure water of membrane filter core preparation to the intaking of membrane filter core, reduce the TDS value of intaking of membrane filter core for after the membrane filter core stopped the system water, the greatly reduced of membrane filter core dense water side avoids after stopping the system water, because the effect of forward osmosis, the too high TDS of membrane filter core pure water side that arouses, and then leads to the too high problem of water TDS of next water intaking earlier stage.

8. In the water purifying device provided by the embodiment of the utility model, the water pumping assembly comprises the zero-pressure valve and the water pump, one end of the zero-pressure valve is communicated with the third water outlet, the other end of the zero-pressure valve is communicated with the water inlet end of the water pump, and the water outlet end of the water pump is communicated with the water inlet pipe. By arranging the zero-pressure valve and the water suction pump, when the pressure of a pipeline behind the zero-pressure valve is zero or positive pressure, the zero-pressure valve is closed, and the flow passage is cut off; the suction pump starts to produce the negative pressure, and the zero pressure valve can have pressure differential, and the zero pressure valve opens the runner, and the water pressure is less and stable this moment, therefore the suction pump can work under more steady intake pressure, and the influence of the pressure of drinking water pipeline behind the membrane filter core is avoided, but accurate control play water flow.

9. In the water purifying device provided by the embodiment of the utility model, the water pumping assembly comprises the flow control pump, the water inlet end of the flow control pump is communicated with the third water outlet, and the water outlet end of the flow control pump is communicated with the water inlet pipe. Through setting up accuse flow pump, can stabilize the hot water play water flow of instant heating module.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments or the conventional techniques of the present utility model, the drawings required for the descriptions of the embodiments or the conventional techniques will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic structural diagram of an instant heating module according to a first embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of an instant heating module according to a second embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of an instant heating module according to a third embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of an instant heating module according to a fourth embodiment of the present utility model.

Fig. 5 is a schematic structural diagram of an instant heating module according to a fifth embodiment of the present utility model.

Fig. 6 is a schematic structural diagram of a water purifying apparatus according to a sixth embodiment of the present utility model.

Fig. 7 is a schematic diagram of a water purifying apparatus according to a sixth embodiment of the present utility model.

Fig. 8 is a schematic diagram III of a water purifying apparatus according to a sixth embodiment of the present utility model.

Fig. 9 is a schematic diagram of a water purifying apparatus according to a sixth embodiment of the present utility model.

Fig. 10 is a schematic structural view of a water purifying apparatus according to a seventh embodiment of the present utility model.

The attached drawings are used for identifying and describing:

1. an instant heating module; 2. an instant heating module; 3. an instant heating module; 4. an instant heating module; 5. an instant heating module; 6. a water purifying device; 7. a water purifying device;

11. a gas heating assembly; 12. a heat exchanger; 13. a water inlet pipe; 14. a hot water outlet pipe; 15. an exhaust pipe; 16. an exhaust gas check valve; 17. a water inlet temperature sensor; 18. a water outlet temperature sensor; 19. a water tank; 20. a water pump; 21. a throttle valve; 31. a pressure reducing valve; 41. a regulating valve; 61. a water purifying module; 71. a water tank;

111. a gas valve; 112. a blower; 113. an ejector; 114. a burner; 115. a gas pipe; 121. a flue gas channel; 122. a water purifying channel; 611. a first electromagnetic valve; 612. a booster pump; 613. a membrane cartridge; 614. a water pumping assembly; 615. a filter element is arranged in front; 616. a return pipe; 617. a second electromagnetic valve; 618. a non-return valve; 619. a normal temperature water outlet pipe;

1211. an air inlet; 1212. a waste gas port; 1221. a first water inlet; 1222. a first water outlet; 6131. a second water inlet; 6132. a second water outlet; 6133. a third water outlet; 6151. a third water inlet; 6152. a fourth water outlet; 6141. a flow control pump; 6142. a zero pressure valve; 6143. and a water pump.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Embodiments of the utility model are illustrated in the accompanying drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

It will be understood that the terms "first," "second," "third," and "fourth," etc., as used herein, may be used to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another element. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

Referring to fig. 1, a first embodiment of the present utility model provides an instant heating module 1, wherein the instant heating module 1 comprises a gas heating assembly 11, a heat exchanger 12, a water inlet pipe 13, a hot water outlet pipe 14 and an exhaust pipe 15, and a flue gas channel 121 and a clean water channel 122 which are independent from each other are arranged in the heat exchanger 12.

Alternatively, the clean water channel 122 may be disposed in the flue gas channel 121, or the flue gas channel 121 may be disposed in the clean water channel 122, which is not particularly limited in the embodiment of the present utility model. Specifically, in embodiments of the present utility model, the clean water channel 122 may be disposed within the flue gas channel 121.

The clean water channel 122 comprises a first water inlet 1221 and a first water outlet 1222, the water inlet pipe 13 is connected with the drinking water and is communicated with the first water inlet 1221, and the hot water outlet pipe 14 is communicated with the first water outlet 1222. The flue gas channel 121 comprises an air inlet 1211 and an exhaust port 1212, the gas heating assembly 11 communicates with the air inlet 1211, and the exhaust pipe 15 communicates with the exhaust port 1212.

The gas heating assembly 11 generates high temperature flue gas, the high temperature flue gas enters the flue gas channel 121 through the gas inlet 1211, and the heat energy is conducted to the drinking water in the water purifying channel 122 to form waste flue gas which is discharged from the waste gas pipe 15 through the waste gas outlet 1212.

Specifically, the gas heating assembly 11 includes a gas valve 111, a fan 112, an ejector 113, a burner 114, and a gas pipe 115, the ejector 113 communicates with the gas pipe 115 and the fan 112, the gas valve 111 is disposed on the gas pipe 115, and the burner 114 communicates with the ejector 113 and the gas inlet 1211.

Further, the instant heating module 1 further comprises an exhaust gas check valve 16, the exhaust gas check valve 16 being arranged on the exhaust pipe 15.

In the embodiment of the present utility model, the gas valve 111 is used to open or close the gas inlet, i.e. to supply gas when heating and to close the gas inlet when not heating. The blower 112 is used to supply air and to provide sufficient air pressure to the eductor 113 while simultaneously supplying air. The ejector 113 is a venturi tube for mixing the fuel gas and the air in proportion, and fully and uniformly mixing the fuel gas and the air, so that the heating is convenient. The burner 114 is a component where the gas and air mixture is fully combusted, and the gas and air mixture is converted into high-temperature flue gas in the burner 114. The heat exchanger 12 is used for transferring heat energy of high-temperature flue gas to drinking water in the water purifying channel 122, and heating normal-temperature water into hot water with different temperatures.

The instant heating module 1 provided by the embodiment of the utility model can realize instant heating and large-flow water outlet without continuous heat preservation, and solves the problems that the drinking water in the hot tank of the traditional hot tank heating type water purifying equipment cannot be replaced by aged water and the energy consumption is high. In addition, this instant heating module 1 adopts gas heating element 11, and heating power restriction is little, can easily improve heating power to 5500W more, can last boiling water with the velocity of flow that exceeds 1L/min, reaches the 2.5 velocity of flow that conventional electrical heating is instant heating, guarantees that the water flow is big enough, promotes user's water intaking greatly and experiences.

In an embodiment of the present utility model, the heating power of the burner 114 is adjustable. The specific method is as follows: the power of the fan 112 is changed, the air flow and the pressure are regulated, and the amount of fuel gas sucked by the ejector 113 is further influenced, so that the heating power of the burner 114 is regulated.

Further, the instant heating module 1 further comprises a water inlet temperature sensor 17 and a water outlet temperature sensor 18, wherein the water inlet temperature sensor 17 is arranged on the water inlet pipe 13 and is used for detecting the water inlet temperature. The outlet water temperature sensor 18 is disposed on the hot water outlet pipe 14 and is used for detecting the outlet water temperature of the heat exchanger 12. By the arrangement, the water inlet temperature and the water outlet temperature can be detected and are used for adjusting heating power and controlling the water outlet temperature.

Example two

Referring to fig. 2, a second embodiment of the present utility model provides an instant heating module 2, and the instant heating module 2 of the second embodiment is different from the instant heating module 1 of the first embodiment in that: the instant heating module 2 of the second embodiment further includes a throttle valve 21, and the throttle valve 21 is disposed on the gas pipe 115 and between the gas valve 111 and the ejector 113.

In the embodiment of the utility model, the throttle valve 21 is arranged, so that the flow of the fuel gas can be reduced under any pressure, the fuel gas inlet pressure of the ejector 113 can be reduced, and the control of the heating power of the burner 114 by matching with the fan 112 is facilitated.

The structure and function of the instant heating module 2 of the second embodiment are the same as those of the instant heating module 1 of the first embodiment, and will not be described again here.

Example III

Referring to fig. 3, a third embodiment of the present utility model provides an instant heating module 3, and the instant heating module 3 of the third embodiment is different from the instant heating module 2 of the second embodiment in that: the instant heating module 3 of the third embodiment does not include a throttle valve, and the instant heating module 3 further includes a pressure reducing valve 31, and the pressure reducing valve 31 is disposed on the gas pipe 115 between the gas valve 111 and the ejector 113.

The difference between the pressure reducing valve 31 of the third embodiment and the throttle valve 21 of the second embodiment is that the pressure reducing valve 31 has small resistance at a pressure lower than the pressure value of the pressure reducing valve 31, and does not affect the gas flow rate.

In the embodiment of the utility model, the pressure reducing valve 31 is arranged, so that the gas inlet pressure of the ejector 113 can be reduced, and the heating power of the burner 114 can be conveniently controlled by matching with the fan 112.

The structure and function of the instant heating module 3 of the third embodiment are the same as those of the instant heating module 2 of the second embodiment, and will not be described again here.

Example IV

Referring to fig. 4, a fourth embodiment of the present utility model provides an instant heating module 4, and the instant heating module 4 of the fourth embodiment is different from the instant heating module 2 of the second embodiment in that: the instant heating module 4 of the fourth embodiment does not include a throttle valve, and the instant heating module 4 further includes a regulating valve 41, and the regulating valve 41 is disposed on the gas pipe 115 between the gas valve 111 and the ejector 113.

In the embodiment of the utility model, the flow passage area can be regulated within a certain range by arranging the regulating valve 41, and the flow passage area is regulated in real time according to the actual working condition of the burner 114, so that the power of the burner 114 can be regulated within a larger range in combination with the fan 112.

In an embodiment of the present utility model, the heating power of the burner 114 is adjustable. The specific method is as follows: the power of the blower 112 and the flow area of the regulating valve 41 are changed, the blower 112 regulates the air flow and the pressure, and the regulating valve 41 regulates the air inflow of the fuel gas, so that the heating power of the burner 114 is regulated efficiently.

The structure and function of the instant heating module 4 of the fourth embodiment are the same as those of the instant heating module 2 of the second embodiment, and will not be described again here.

Example five

Referring to fig. 5, a fifth embodiment of the present utility model provides an instant heating module 5, and the instant heating module 5 of the fifth embodiment is different from any of the first to fourth embodiments in that: the instant heating module 5 of the fifth embodiment further comprises a water tank 19, the water tank 19 being in communication with the water inlet pipe 13, the water tank 19 being for storing and providing potable water, the potable water in the water tank 19 entering the heat exchanger 12 via the water inlet pipe 13.

In particular, a suction pump 20 may be provided at the inlet pipe 13 for pumping the stationary drinking water in the water tank 19 into the purified water channel 122.

For ease of understanding, the utility model is described herein in terms of the operating logic of the instant heating module 5 with the regulator valve 41. The instant heating module 5 may include a hot water taking mode and a normal temperature water taking mode. The method is specifically as follows:

hot water taking mode: the water pump 20 is turned on, the drinking water in the water tank 19 flows into the heat exchanger 12 under the action of the water pump, the fan 112 and the gas valve 111 are turned on, the regulating valve 41 and the burner 114 are started, the high-temperature flue gas generated by the burner 114 heats the drinking water to a set temperature in the heat exchanger 12, and the hot water flows out from the hot water outlet pipe 14.

Taking a normal temperature water mode: when the water pump 20 is turned on, the drinking water in the water tank 19 flows into the heat exchanger 12 under the action of the water pump, the gas heating assembly 11 does not work at this time, and the hot water outlet pipe 14 flows out of the drinking water at normal temperature.

Example six

Referring to fig. 6, a sixth embodiment of the present utility model provides a water purifying apparatus 6, wherein the water purifying apparatus 6 includes a water purifying module 61 and any one of the first to fourth embodiments. For convenience of understanding, the embodiment of the present utility model will be described by taking the instant heating module 4 in the fourth embodiment as an example, and the present utility model should not be limited thereto.

Specifically, the water purifying apparatus 6 includes a water purifying module 61 and an instant heating module 4, the water purifying module 61 includes a first solenoid valve 611, a booster pump 612, a membrane filter cartridge 613, and a pumping assembly 614, and the membrane filter cartridge 613 includes a second water inlet 6131, a second water outlet 6132, and a third water outlet 6133. One end of the first electromagnetic valve 611 is connected with tap water, the other end of the first electromagnetic valve 611 is communicated with one end of the booster pump 612, the other end of the booster pump 612 is communicated with the second water inlet 6131, the second water outlet 6132 discharges concentrated water, the third water outlet 6133 discharges drinking water, and the pumping assembly 614 is communicated with the third water outlet 6133 and the water inlet pipe 13.

In the embodiment of the utility model, the membrane filter element 613 is communicated with the instant heating module 4 through the water pumping module 614, so that tap water is purified and filtered to form drinking water, and then the drinking water is heated by the instant heating module 4 to generate hot water, thereby realizing the water purifying equipment with the instant heating function and greatly improving the practicability of the water purifying equipment 6.

Referring to fig. 7, further, the water purifying module 61 further includes a pre-filter element 615, a return pipe 616, a second electromagnetic valve 617 and a check valve 618, the pre-filter element 615 includes a third water inlet 6151 and a fourth water outlet 6152, the third water inlet 6151 is connected to tap water, and the fourth water outlet 6152 is communicated with one end of the first electromagnetic valve 611. The third water outlet 6133 and the pumping assembly 614 are communicated with one end of the return pipe 616 in a three-way structure, the other end of the return pipe 616, the other end of the first electromagnetic valve 611 and one end of the booster pump 612 are communicated in a three-way structure, the second electromagnetic valve 617 and the check valve 618 are arranged on the return pipe 616, and the water flow direction of the check valve 618 is unidirectional flow from the third water outlet 6133 to one end of the booster pump 612.

In the embodiment of the utility model, by arranging the pure water backflow branch, pure water prepared by the membrane filter element 613 can flow back to the water inlet of the membrane filter element 613, so that the water inlet TDS value of the membrane filter element 613 is reduced, the concentrated water side of the membrane filter element 613 is greatly reduced after the membrane filter element 613 stops water production, and the problem that the TDS value of the water outlet TDS at the earlier stage of next water intake is too high due to the effect of forward osmosis after water production is stopped is avoided.

As an alternative embodiment, the water pumping assembly 614 includes a flow control pump 6141, wherein the water inlet end of the flow control pump 6141 is communicated with the third water outlet 6133, and the water outlet end of the flow control pump 6141 is communicated with the water inlet pipe 13. By providing the flow control pump 6141, the hot water outlet flow rate of the instant heating module 4 can be stabilized.

As another alternative embodiment, referring to fig. 8, the water pumping assembly 614 includes a zero-pressure valve 6142 and a water pump 6143, wherein one end of the zero-pressure valve 6142 is communicated with the third water outlet 6133, the other end of the zero-pressure valve 6142 is communicated with the water inlet end of the water pump 6143, and the water outlet end of the water pump 6143 is communicated with the water inlet pipe 13. By arranging the zero-pressure valve 6142 and the water suction pump 6143, when the pressure of a pipeline behind the zero-pressure valve 6142 is zero or positive pressure, the zero-pressure valve 6142 is closed, and the flow passage is cut off; the suction pump 6143 is started to generate negative pressure, the zero-pressure valve 6142 has pressure difference, the zero-pressure valve 6142 opens a flow passage, and the water pressure is small and stable at the moment, so that the suction pump 6143 can work under stable water inlet pressure without being influenced by the pressure of a drinking water pipeline behind the membrane filter element 613, and the water outlet flow can be accurately controlled.

For convenience of understanding, the present utility model will be described herein with reference to the instant heating module 4 as an example of the working logic of the water purifying apparatus 6. The water purifying apparatus 6 may include a hot water taking mode, a normal temperature water taking mode, and a pure water reflux mode. The method is specifically as follows:

hot water taking mode: the first electromagnetic valve 611, the booster pump 612 and the water pumping assembly 614 are opened, tap water is pressurized by the booster pump 612 and flows to the membrane filter 613, drinking water prepared by filtering by the membrane filter 613 flows into the heat exchanger 12 through the water pumping assembly 614, the fan 112 and the gas valve 111 are opened, the regulating valve 41 and the burner 114 are started, high-temperature flue gas generated by the burner 114 heats the drinking water to a set temperature in the heat exchanger 12, and hot water flows out from the hot water outlet pipe 14.

Taking a normal temperature water mode: the first electromagnetic valve 611, the booster pump 612 and the water pumping assembly 614 are opened, tap water is pressurized by the booster pump 612 and flows to the membrane filter 613, drinking water prepared by filtering the membrane filter 613 flows into the heat exchanger 12 through the water pumping assembly 614, at the moment, the gas heating assembly 11 does not work, and the hot water outlet pipe 14 flows out of normal-temperature drinking water.

Pure water reflux mode: the first electromagnetic valve 611, the booster pump 612, the water pumping assembly 614 and the second electromagnetic valve 617 are opened, tap water flows to the membrane filter 613 after being pressurized by the booster pump 612, and the drinking water part prepared by filtering by the membrane filter 613 flows back to the booster pump 612 through the second electromagnetic valve 617 and the check valve 618, so that the TDS value of inflow water of the membrane filter 613 is reduced.

Referring to fig. 9, further, the water purifying module 61 further includes a normal temperature water outlet pipe 619, wherein the normal temperature water outlet pipe 619 is in communication with the water inlet pipe 13, i.e. the normal temperature water outlet pipe 619 is used as a split flow of the water inlet pipe 13, and normal temperature water outlet is performed before the drinking water is heated. In this setting mode, the normal temperature water taking mode of the water purifying apparatus 6 is specifically as follows: the first electromagnetic valve 611, the booster pump 612 and the pumping assembly 614 are opened, tap water is pressurized by the booster pump 612 and flows to the membrane filter 613, and drinking water prepared by filtering the membrane filter 613 directly flows out of the normal-temperature water outlet pipe 619.

Example seven

Referring to fig. 10, a seventh embodiment of the present utility model provides a water purifying apparatus 7, wherein the water purifying apparatus 7 of the seventh embodiment is different from the water purifying apparatus 6 of the sixth embodiment in that: the water purifying apparatus 7 of the seventh embodiment further includes a water tank 71, the water tank 71 is communicated with the third water outlet 6133 and the pumping assembly 614, the water tank 71 is used for storing and providing drinking water, and the drinking water in the water tank 71 enters the heat exchanger 12 through the water inlet pipe 13 under the action of the pumping assembly 614.

For ease of understanding, the present utility model is described herein in terms of the operating logic of the water purifying apparatus 7 provided with the regulating valve 41. The water purifying apparatus 7 may include a hot water taking mode, a normal temperature water taking mode, and a water supplementing mode. The method is specifically as follows:

hot water taking mode: the water pumping assembly 614 is opened, the drinking water in the water tank 71 flows into the heat exchanger 12 under the action of the water pumping assembly 614, the fan 112 and the gas valve 111 are opened, the regulating valve 41 and the burner 114 are started, the high-temperature flue gas generated by the burner 114 heats the drinking water to a set temperature in the heat exchanger 12, and the hot water flows out from the hot water outlet pipe 14.

Taking a normal temperature water mode: the pumping assembly 614 is turned on, the drinking water in the water tank 71 flows into the heat exchanger 12 under the action of the pumping assembly 614, the gas heating assembly 11 is not operated at this time, and the hot water outlet pipe 14 flows out of the drinking water at normal temperature.

Moisturizing mode: when water is needed to be replenished in the water tank 71, the first electromagnetic valve 611 and the booster pump 612 are opened, tap water is pressurized by the booster pump 612 and flows to the membrane filter 613, and drinking water prepared by filtering the membrane filter 613 flows into the water tank 71 for storage through the third water outlet 6133.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. An instant heating module, characterized in that: the instant heating module comprises a fuel gas heating assembly, a heat exchanger, a water inlet pipe, a hot water outlet pipe and an exhaust pipe, wherein a flue gas channel and a water purifying channel which are independent of each other are arranged in the heat exchanger;

the water purifying channel comprises a first water inlet and a first water outlet, the water inlet pipe is connected with drinking water and communicated with the first water inlet, and the hot water outlet pipe is communicated with the first water outlet; the flue gas channel comprises an air inlet and an exhaust gas port, the gas heating component is communicated with the air inlet, and the exhaust gas pipe is communicated with the exhaust gas port;

the gas heating assembly generates high-temperature smoke, the high-temperature smoke enters the smoke channel through the air inlet, heat energy is conducted to drinking water in the water purifying channel to form waste smoke, and the waste smoke is discharged from the waste gas pipe through the waste gas port.

2. An instant heating module according to claim 1, wherein: the gas heating assembly comprises a gas valve, a fan, an ejector, a combustor and a gas pipe, wherein the ejector is communicated with the gas pipe and the fan, the gas valve is arranged on the gas pipe, and the combustor is communicated with the ejector and the gas inlet.

3. An instant heating module according to claim 2, characterized in that: the gas heating assembly further comprises a throttle valve arranged on the gas pipe and located between the gas valve and the ejector.

4. An instant heating module according to claim 2, characterized in that: the gas heating assembly further comprises a pressure reducing valve, wherein the pressure reducing valve is arranged on the gas pipe and is positioned between the gas valve and the ejector.

5. An instant heating module according to claim 2, characterized in that: the gas heating assembly further comprises a regulating valve, wherein the regulating valve is arranged on the gas pipe and is positioned between the gas valve and the ejector.

6. An instant heating module according to any of claims 1-5, characterized in that: the instant heating module further comprises a water tank, wherein the water tank is communicated with the water inlet pipe, the water tank is used for storing drinking water, and the drinking water in the water tank enters the heat exchanger through the water inlet pipe.

7. A water purification apparatus, characterized in that: the water purifying device comprises a water purifying module and the instant heating module according to any one of claims 1 to 6, wherein the water purifying module comprises a first electromagnetic valve, a booster pump, a membrane filter element and a water pumping assembly, and the membrane filter element comprises a second water inlet, a second water outlet and a third water outlet;

one end of the first electromagnetic valve is connected with tap water, the other end of the first electromagnetic valve is communicated with one end of the booster pump, the other end of the booster pump is communicated with the second water inlet, the second water outlet discharges concentrated water, the third water outlet discharges drinking water, and the water pumping assembly is communicated with the third water outlet and the water inlet pipe.

8. The water purification apparatus of claim 7, wherein: the water purification module further comprises a preposed filter element, a return pipe, a second electromagnetic valve and a check valve, wherein the preposed filter element comprises a third water inlet and a fourth water outlet, the third water inlet is connected with tap water, and the fourth water outlet is communicated with one end of the first electromagnetic valve;

the third water outlet, the water pumping assembly and one end of the return pipe are communicated in a three-way structure, the other end of the return pipe, the other end of the first electromagnetic valve and one end of the booster pump are communicated in a three-way structure, the second electromagnetic valve and the check valve are arranged on the return pipe, and the water flow direction of the check valve is from the third water outlet to one end of the booster pump.

9. The water purification apparatus of claim 7, wherein: the water pumping assembly comprises a zero-pressure valve and a water pump, one end of the zero-pressure valve is communicated with the third water outlet, the other end of the zero-pressure valve is communicated with the water inlet end of the water pump, and the water outlet end of the water pump is communicated with the water inlet pipe.

10. The water purification apparatus of claim 7, wherein: the water pumping assembly comprises a flow control pump, the water inlet end of the flow control pump is communicated with the third water outlet, and the water outlet end of the flow control pump is communicated with the water inlet pipe.