Stepping heating reverse osmosis direct water dispenser

Abstract

The invention relates to the technical field of fluid heaters, and provides a stepping heating reverse osmosis direct water dispenser which comprises a water inlet, a booster pump, a reverse osmosis device, an ultraviolet sterilizer, a heating water tank, a hot water outlet and a normal-temperature water outlet. The water inlet is connected with the booster pump; a particle filter is arranged between the booster pump and the reverse osmosis device; a pressure barrel is arranged between the reverse osmosis device and the ultraviolet sterilizer; the ultraviolet sterilizer is respectively connected with the heating water tank and the normal-temperature water outlet; the heating water tank comprises a stepping heating pipe and is connected with the hot water outlet; the water outlet faucet is filled with quenched and tempered ore; the device is free of scaling, stable and controllable in heat preservation and continuous in hot water outlet, and meanwhile the hot water outlet contains mineral substances and can be drunk for a long time.

Description

Technical Field

[0001] The present application relates to the technical field of fluid heaters, and in particular to a step-heating reverse osmosis direct drinking water machine. Background Art

[0002] Purifying undrinkable water through water purification equipment is a common fast and efficient production method in places where drinking water is scarce. In some special scenarios, such as performing tasks, surviving in the wild, disaster relief, etc., a large amount of drinking water needs to be obtained in a short period of time, and auxiliary functions such as heating, secondary disinfection, storage, and transportation may be required. In some cases, the entire set of equipment is even required to work normally in extreme weather such as extreme cold, high temperature, and heavy rain, or the water production time has to be greatly compressed due to huge demand. These have put forward higher requirements on the stability and performance of water purification equipment, making the types and functions of water purification equipment develop in a more diversified direction.

[0003] Among various water treatment equipment, direct drinking water machine is a more commonly used water purification equipment, which usually adopts filter element or reverse osmosis membrane for filtration, and can provide hot water or warm water. For example, a "step-by-step intelligent water dispenser with RO reverse osmosis filtration" disclosed in Chinese patent literature, its announcement number is CN216303450U, including a shell, a raw water inlet, a waste water outlet, a filter device, a heating device, a water supply device, a cup tray and a switch door. The water passing through the filter device will reach the inside of the heating device through a pipe for heating. The step-by-step heating device is divided into two parts: a heating device and a hot water supply device. After the incoming water passes through the heating device, it enters the hot water supply device. The problem with this solution is that the temperature of the hot water stored in the hot water supply device will continue to decrease, resulting in the inability to provide the required hot water.

[0004] In the process of realizing the present invention, the inventors found that there are at least the following problems in the prior art: the conventional step-by-step electric heating water dispenser directly takes in water without removing minerals through water purification, which will cause scaling of the device; it is difficult to keep warm and provide continuous and stable hot water output; the heating box uses conventional electric heating tubes, which cannot avoid the problem of local boiling during the insulation process; the hot water output is not mineralized, and long-term drinking is not good for human health. Summary of the invention

[0005] The technical solution of the present application overcomes the shortcomings of the prior art heating methods such as waste of time and energy, lack of pressure relief channels in the device, and unstable water pressure in the pipeline. It provides a step-by-step heating method to quickly produce hot water, sets pressure relief and drainage pipelines at multiple points in the device, and uses a pressure maintaining device in the middle section of the device to cooperate with a booster pump to stabilize the water pressure in the pipeline, thereby improving the production speed and production stability of filtered water. A step-by-step heating reverse osmosis direct drinking water machine.

[0006] The present application proposes a step-heating reverse osmosis direct drinking water machine that overcomes the above-mentioned problems or at least partially solves the above-mentioned problems, comprising a water inlet, a booster pump, a reverse osmosis device, an ultraviolet sterilizer, a heating water tank, a hot water outlet and a normal temperature water outlet; the water inlet is connected to the booster pump; the booster pump is connected to the reverse osmosis device, and a particle filter is arranged between the booster pump and the reverse osmosis device; the reverse osmosis device is connected to the ultraviolet sterilizer, and a pressure barrel is arranged between the reverse osmosis device and the ultraviolet sterilizer; the ultraviolet sterilizer is respectively connected to the heating water tank and the normal temperature water outlet; the heating water tank comprises a step-heating pipe, and the heating water tank is connected to the hot water outlet; the hot water outlet is filled with modulated ore, which can replenish the minerals in the outlet water and improve the health of the outlet water; the particle filter, reverse osmosis device, pressure barrel and heating water tank are all provided with pressure relief drainage pipelines. The device uses a step-by-step heating method to produce hot water, so that the hot water can be used immediately, saving time, and reducing energy waste by boiling layer by layer; pressure relief drainage pipelines are set at multiple points in the device to stabilize the pressure of the device while avoiding environmental pollution; a pressure barrel is used in the middle section of the device to stabilize the water pressure in the pipeline, thereby improving the production stability of filtered water.

[0007] Preferably, the heating water tank also includes a cold water inlet, a cold water layer, and a hot water layer, and an automatic exhaust valve is provided at the top of the heating water tank; the stepping heating tube is in the cold water layer, which can quickly heat the cold water to boiling and enter the hot water layer at the same time to avoid repeated heating.

[0008] Preferably, a cold water diffusion nozzle is provided at the tail end of the cold water inlet; the cold water diffusion nozzle can make the cold water pass through the stepping heating tube evenly, so as to better achieve the effect of rapid heating.

[0009] Preferably, a high liquid level probe and a low liquid level probe are provided in the hot water layer; the bottom height of the low liquid level probe is higher than the height of the hot water outlet; the position of the low liquid level probe ensures that the water at the outlet is always maintained at 90°C or above.

[0010] Preferably, a one-way valve is provided between the water inlet and the booster pump, and between the reverse osmosis device and the pressure barrel; the one-way valve prevents backflow and stabilizes the pressure in the pipe.

[0011] Preferably, the reverse osmosis device is provided with a filtered water outlet, a concentrated water outlet and a pressure relief port; the pressure relief port is provided with a pressure relief valve.

[0012] Preferably, a pressure sensor is provided in the pressure barrel; the threshold of the pressure sensor is adjustable; when the water pressure in the pressure barrel reaches the pressure threshold, the pressure sensor sends a sensing signal, and the controller controls the booster pump to automatically shut down.

[0013] Preferably, a pressure valve is provided between the ultraviolet sterilizer and the normal temperature water outlet, and a pressure valve is provided between the heating water tank and the hot water outlet; the pressure valve provided at the water outlet can prevent backflow and leakage.

[0014] Preferably, the device also includes a waste liquid pipeline; a waste liquid port is provided at the tail end of the waste liquid pipeline; the waste liquid pipeline is respectively connected to the particle filter, the reverse osmosis device, the pressure barrel and the heating water tank; the waste liquid pipeline has a pressure relief function, and concentrated water is discharged from the waste liquid port to prevent environmental pollution.

[0015] Preferably, the use process of the step-by-step heating reverse osmosis direct drinking water machine includes a water extraction and heating process and a heat preservation and heating process; in the water extraction and heating process, during the hot water extraction process, when the water level is about to reach the lower liquid level of the low liquid level probe, water starts to be introduced and the step-by-step heating tube is heated synchronously to provide continuous hot water output; after stopping water extraction, water is introduced until the water level reaches the upper liquid level, and then water intake is stopped; in the heat preservation and heating process, when the direct drinking water machine is in a standby heat preservation state without drawing water, when the temperature of the heating water tank drops to the set minimum hot water temperature, the step-by-step heating tube performs low-power heating with the surface temperature of the heating tube below 100 degrees Celsius, and when the temperature of the heating water tank reaches the set maximum hot water temperature, the step-by-step heating tube stops heating.

[0016] The above (at least one) technical solution adopted in the embodiment of the present application can achieve the following beneficial effects: the hot water drinking machine integrates a water purification process to achieve stable use of the device without scaling; provides a step-by-step heating and non-local boiling insulation design, which can provide stable and adjustable insulation and continuous hot water output; and by setting tempering ore at the hot water outlet, the water can be drunk for a long time, which is beneficial to human health.

[0017] The above description of the technical solution of the present application is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the step-heating reverse osmosis direct drinking water machine in the embodiment of the present application.

[0019] Figure 2 It is a schematic diagram of the structure of the heating water tank part in the embodiment of the present application.

[0020] In the figure: 1-water inlet, 2-boosting pump, 3-particle filter, 4-reverse osmosis device, 5-pressure barrel, 6-ultraviolet disinfector, 7-heating water tank, 71-cold water inlet, 72-cold water layer, 73-step heating pipe, 74-hot water layer, 75-high liquid level probe, 76-low liquid level probe, 8-hot water outlet, 81-tempered ore, 9-normal temperature water outlet, 10-waste liquid pipeline. DETAILED DESCRIPTION

[0021] The implementation methods of the present application are further described below through specific examples.

[0022] like Figure 1 , Figure 2 As shown, a step-heating reverse osmosis direct drinking water machine proposed in the present application includes a water inlet 1, a booster pump 2, a reverse osmosis device 4, an ultraviolet sterilizer 6, a heating water tank 7, a hot water outlet 8 and a normal temperature water outlet 9; the water inlet 1 is connected to the booster pump 2; the booster pump 2 is connected to the reverse osmosis device 4, and a particle filter 3 is provided between the booster pump 2 and the reverse osmosis device 4; the reverse osmosis device 4 is connected to the ultraviolet sterilizer 6, and a pressure barrel 5 is provided between the reverse osmosis device 4 and the ultraviolet sterilizer 6; the ultraviolet sterilizer 6 is respectively connected to the heating water tank 7 and the normal temperature water outlet 9; the heating water tank 7 includes a step-heating pipe 73, and the heating water tank 7 is connected to the hot water outlet 8; the particle filter 3, the reverse osmosis device 4, the pressure barrel 5 and the heating water tank 7 are all provided with a pressure relief drainage pipeline; the hot water outlet 8 is filled with tempered ore 81.

[0023] Specifically, the heating water tank 7 further comprises a cold water inlet 71 , a cold water layer 72 , and a hot water layer 74 , and an automatic exhaust valve is provided at the top of the heating water tank 7 .

[0024] Specifically, a cold water diffusion nozzle is provided at the tail end of the cold water inlet 71 .

[0025] Specifically, a high liquid level probe 75 and a low liquid level probe 76 are provided in the hot water layer 74 ; the bottom height of the low liquid level probe 76 is lower than the height of the hot water outlet 8 .

[0026] Specifically, a one-way valve is provided between the water inlet 1 and the booster pump 2 , and between the reverse osmosis device 4 and the pressure tank 5 .

[0027] Specifically, the reverse osmosis device 4 is provided with a filtered water outlet, a concentrated water outlet and a pressure relief port; the pressure relief port is provided with a pressure relief valve.

[0028] Specifically, a pressure sensor is provided in the pressure barrel 5; the threshold of the pressure sensor is adjustable.

[0029] Specifically, pressure valves are provided between the ultraviolet sterilizer 6 and the normal temperature water outlet 9 , and between the heating water tank 7 and the hot water outlet 8 .

[0030] Specifically, the device further comprises a waste liquid pipeline 10; a waste liquid port is provided at the tail end of the waste liquid pipeline 10; the waste liquid pipeline is respectively connected to the particle filter 3, the reverse osmosis device 4, the pressure barrel 5 and the heating water tank 7.

[0031] Specifically, the use process of the step-by-step heating reverse osmosis direct drinking water machine includes a water extraction and heating process and a heat preservation and heating process; in the water extraction and heating process, during the hot water extraction process, when the water level is about to reach the lower level of the low liquid level probe 76, water starts to be introduced and the step-by-step heating tube 73 is heated synchronously to provide continuous hot water output; after stopping water extraction, water is introduced until the water level reaches the upper liquid level, and then water intake is stopped; in the heat preservation and heating process, when the direct drinking water machine is in a standby heat preservation state without water extraction, when the temperature of the heating water tank 7 drops to the set minimum hot water temperature, the step-by-step heating tube 73 performs low-power heating with the surface temperature of the heating tube below 100 degrees Celsius, and when the temperature of the heating water tank 7 reaches the set maximum hot water temperature, the step-by-step heating tube 73 stops heating.

[0032] The application process is as follows.

[0033] like Figure 1 , Figure 2 As shown in the figure, after the raw water is pressurized by the booster pump, it enters the particle filter for treatment; the particle filter contains a filter element with a diameter of 3μm, which can intercept and remove suspended matter, colloids, particles, macromolecular organic matter and other macromolecular substances in the water; then the reverse osmosis membrane effectively removes inorganic salt ions, small molecular organic matter and other fine particles in the raw water. The ultraviolet disinfector can effectively kill microorganisms such as bacteria and viruses. The disinfected water is connected to the normal temperature water outlet and the heating water tank respectively. After treatment, the water quality indicators of the produced water meet the "Sanitary Standard for Drinking Water" (GB5749-2022) and the "Drinking Water Quality Standard" (CJ94-2005).

[0034] The heating water tank part of the direct drinking water machine adopts the step-by-step heating principle. After the heating water tank is installed, connect the water source and power supply. When the low liquid level probe senses that the water level has not reached the lower liquid level (safe heating liquid level), turn on the water inlet valve. The temperature at this time shows the water inlet temperature, and the water level indicator and heating indicator are not on. When the water level reaches the lower liquid level, the control disconnects the valve, suspends the water inlet and connects the heating system. At this time, the water level indicator flashes, the heating indicator is on, heating starts and water replenishment stops. After heating reaches the set re-inlet temperature, the system refills with water and heating continues. Refill water and heat until the upper liquid level is reached. The high liquid level probe senses that the water level indicator is long on and water replenishment stops; continue heating until the temperature reaches the set temperature and the heating indicator goes out.

[0035] When the direct drinking water machine is taking hot water, when the water level is about to reach the lower level of the low liquid level probe, water starts to be taken in and the stepping heating tube 73 is heated synchronously to provide continuous hot water output; after stopping taking water, water is taken in until the water level reaches the upper liquid level, and then water intake is stopped.

[0036] When the direct drinking water machine is in a standby state without taking water, when the temperature of the heating water tank 7 drops to the set minimum hot water temperature (88℃~90℃) due to heat dissipation, the stepping heating tube 73 performs low-power heating to control the surface temperature of the stepping heating tube 73 to be lower than the boiling temperature of water (100 degrees Celsius). When the temperature of the heating water tank 7 reaches the set maximum hot water temperature (96℃~98℃), the stepping heating tube 73 stops heating.

[0037] When the equipment is shut down or stored for a long time, the membrane elements need to be immersed in sterilization protection liquid to prevent the growth of microorganisms. If the ambient temperature is below 0℃, the water inside the equipment needs to be drained to prevent freezing damage in the low temperature environment. If the equipment is shut down for a long time, the protective liquid in the membrane and pipeline must be completely replaced before it can be used normally, and the produced water must be discharged for more than 30 minutes. If the equipment is shut down for a short period of time (no more than one week), it is only necessary to flush the equipment once a day.

[0038] The above embodiments are only used to further illustrate a step-heating reverse osmosis direct drinking water machine of the present application, but the present application is not limited to the embodiments. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present application shall fall within the protection scope of the technical solution of the present application.

[0039] The technical solution of the present application realizes an integrated water purification process for a hot water drinking machine, and realizes stable use of the device without scaling; provides a step-by-step heating and non-local boiling insulation design, which can provide stable and adjustable insulation and continuous hot water output; and by setting tempering ore at the hot water outlet, the water can be drunk for a long time, which is beneficial to human health.

[0040] It should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0041] In this application, unless otherwise clearly specified and limited, the terms such as "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0042] It should be noted that, in the description of this application, unless otherwise specified, the meaning of "plurality" is two or more. It should also be noted that the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, commodity or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, commodity or device. In the absence of further restrictions, the elements defined by the sentence "include one..." do not exclude the presence of other identical elements in the process, method, commodity or device including the elements.

[0043] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0044] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A step-by-step heating reverse osmosis drinking water machine, characterized in that: The invention comprises a water inlet (1), a booster pump (2), a reverse osmosis device (4), an ultraviolet disinfector (6), a heating water tank (7), a hot water outlet (8) and a normal temperature water outlet (9); the water inlet (1) is connected to the booster pump (2); the booster pump (2) is connected to the reverse osmosis device (4), and a particle filter (3) is provided between the booster pump (2) and the reverse osmosis device (4); the reverse osmosis device (4) is connected to the ultraviolet disinfector (6), and a pressure barrel (5) is provided between the reverse osmosis device (4) and the ultraviolet disinfector (6); the ultraviolet disinfector (5) is connected to ... The device (6) is respectively connected to a heating water tank (7) and a normal temperature water outlet (9); the heating water tank (7) comprises a step heating pipe (73), and the heating water tank (7) is connected to a hot water outlet (8); when the heating water tank (7) is in a heat preservation state, the surface temperature of the step heating pipe (73) is lower than 100 degrees Celsius, so that the heating water tank is maintained within a set hot water temperature range; the particle filter (3), the reverse osmosis device (4), the pressure barrel (5) and the heating water tank (7) are all provided with a pressure relief drainage pipeline; and the hot water outlet (8) is filled with tempered ore (81).

2. A step-by-step heating reverse osmosis direct drinking water machine according to claim 1, characterized in that: The heating water tank (7) further comprises a cold water inlet (71), a cold water layer (72), and a hot water layer (74); an automatic exhaust valve is provided at the top of the heating water tank (7).

3. A step-by-step heating reverse osmosis direct drinking water machine according to claim 2, characterized in that: A cold water diffusion nozzle is provided at the tail end of the cold water inlet (71).

4. A step-by-step heating reverse osmosis direct drinking water machine according to claim 2, characterized in that: A high liquid level probe (75) and a low liquid level probe (76) are provided in the hot water layer (74); the bottom height of the low liquid level probe (76) is higher than the height of the hot water outlet (8).

5. A step-by-step heating reverse osmosis direct drinking water machine according to claim 1, characterized in that: One-way valves are provided between the water inlet (1) and the booster pump (2), and between the reverse osmosis device (4) and the pressure tank (5).

6. A step-by-step heating reverse osmosis direct drinking water machine according to claim 1, characterized in that: The reverse osmosis device (4) is provided with a filtered water outlet, a concentrated water outlet and a pressure relief port; the pressure relief port is provided with a pressure relief valve.

7. A step-by-step heating reverse osmosis direct drinking water machine according to claim 1, characterized in that: A pressure sensor is provided in the pressure barrel (5); the threshold of the pressure sensor is adjustable.

8. The step-by-step heating reverse osmosis direct drinking water machine according to claim 1, characterized in that: A pressure valve is provided between the ultraviolet sterilizer (6) and the normal temperature water outlet (9).

9. A step-by-step heating reverse osmosis direct drinking water machine according to claim 1, characterized in that: The device also includes a waste liquid pipeline (10); a waste liquid port is provided at the tail end of the waste liquid pipeline (10); and the waste liquid pipeline is respectively connected to the particle filter (3), the reverse osmosis device (4), the pressure barrel (5) and the heating water tank (7).

10. The step-by-step heating reverse osmosis direct drinking water machine according to claim 1, characterized in that: The use process of the step-heating reverse osmosis direct drinking water machine includes a water intake heating process and a heat preservation heating process; In the water taking and heating process, when the water level is about to reach the lower level of the low level probe (76), water starts to be taken in and the stepping heating tube (73) is heated synchronously to provide continuous hot water output; after the water taking stops, water is taken in until the water level reaches the upper level, and then the water taking in stops; In the heat preservation and heating process, when the direct drinking water machine is in a standby heat preservation state without taking water, when the temperature of the heating water tank (7) drops to a set minimum hot water temperature, the stepping heating tube (73) performs low-power heating with a surface temperature of the heating tube below 100 degrees Celsius, and when the temperature of the heating water tank (7) reaches a set maximum hot water temperature, the stepping heating tube (73) stops heating.

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