CN104323714A - Hot water disinfection type water drinking system - Google Patents
Hot water disinfection type water drinking system Download PDFInfo
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- CN104323714A CN104323714A CN201410643407.6A CN201410643407A CN104323714A CN 104323714 A CN104323714 A CN 104323714A CN 201410643407 A CN201410643407 A CN 201410643407A CN 104323714 A CN104323714 A CN 104323714A
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Abstract
The invention discloses a hot water disinfection type water drinking system, which comprises a hot tank, a heat exchanger, a first pipeline switching valve, a second pipeline switching valve, a water outlet valve, a bypass pipeline and an electric control device, wherein a high temperature water inlet of the heat exchanger is communicated with a water outlet of the hot tank, a temperature lowering water outlet is communicated with an inlet of a water outlet valve, a normal-temperature water inlet is connected with a water source, a temperature-raising water outlet is communicated with a water inlet of the hot tank, the first pipeline switching valve is arranged on a pipeline between the water outlet of the hot tank and a high-temperature water inlet of the heat exchanger, or is arranged on a pipeline between the temperature-lowering water outlet of the heat exchanger and an inlet of a water outlet valve, one end of the bypass pipe is communicated with an inlet of the water outlet valve, the other end of the bypass pipe is communicated with the water outlet of the hot tank, and the second pipeline switching valve is arranged on the bypass pipe. The hot water disinfection type water drinking system has the advantages that by arranging the pipelines, the water outlet pipeline and the water outlet valve of the water drinking system can be periodically disinfected by high-temperature hot water, the qualified sanitation index of total amount of bacteria of flowing water of the water drinking system is guaranteed, and the sanitation and safety properties of water drinking are improved.
Description
Technical field
The present invention relates to a kind of disinfection with hot water drinking-water system.
Background technology
At present, water dispenser has been use very general product, and the basic function of water dispenser is a point water, distribute by drinking water and flow out, facilitate user to take, additional function carries out temperature adjustment to drinking water, such as refrigeration, heat-production functions, be also integrated in product wherein in addition by purification function.Such as, in fact the drinking-water platform of some schools is now exactly the water dispenser of band purification function and heating function.This water dispenser designs owing to being the use of the special students for school, considers the requirement that simultaneously can meet many people water intaking, is usually all equipped with several depotition cock.Such as, a machine is equipped with 6 depotition cocks, and heating power is also larger.Consider again and should prevent children's hot water from scalding, again high-temperature heating sterilization is carried out to water, also consider that boiling water not easily cools for the moment, and the break time is shorter, and the requirement of energy-conservation aspect, etc., this kind of water dispenser usually has water first to heat and cools high-temperature water outlet with the normal temperature water inlet flowed into, then this function of drinking water of about 40 DEG C is provided to student, concrete structure comprises hot tank and heat exchanger, hot tank inside is provided with electric heater, its housing is provided with water inlet pipe and outlet pipe, heat exchanger inside does not arrange electric heater, only for exchange heat, namely the water flowing into hot tank is wanted first to absorb after heat heats up from heat exchanger to flow into hot tank again, and the hot water flowing out hot tank first will flow to depotition cock again after the cooling of heat exchanger releasing heat.The benefit of such design is, both energy-conservation, and can carry out high-temperature sterilization to water inlet again, during because drinking, temperature is not high, thus is convenient to student and drinks at any time.
But the hot water flowing out hot tank is released after heat through heat exchanger, and its temperature is often reduced to about 35 DEG C, then flows to depotition cock, and water temperature may be reduced to about 30 DEG C further, and such temperature is vegetative optimum temperature; On the other hand, depotition cock leads directly to air, delivery port is often in wetting state again, and the bacterium in air is easy to touch moist faucet, and stops there, breeds, so, after user uses a period of time, then detect the water flowed out from depotition cock, its total number of bacteria index is substantially all defective, especially in summer, total number of bacteria may be above standard doubly a lot.This is the result of bacterium long-time breeding in outlet pipeline, for prior art, can think, occur that this result is inevitable.
Summary of the invention
The object of this invention is to provide and a kind ofly can ensure that the total number of bacteria sanitary index of water outlet is qualified, the disinfection with hot water drinking-water system that drinking water hygiene security is high.
The first technical scheme realizing the object of the invention is: disinfection with hot water drinking-water system, comprises hot tank, heat exchanger, the first pipeline switching valve, the second pipeline switching valve, outlet valve, bypass pipe and electric controller; Described hot tank is provided with hot tank water inlet and hot tank delivery port, and hot tank is also provided with the first electric heater; Described first electric heater and electric controller electrically connect; Described heat exchanger is provided with high-temperature water import, temperature lowering water outlet, normal-temperature water import and intensification water out; The hot tank delivery port of described high-temperature water inlet communication, the import of temperature lowering water outlet outlet valve, normal-temperature water import water receiving source, intensification water out is communicated with hot tank water inlet; Described first pipeline switching valve is arranged on the pipeline of the high-temperature water import being communicated with hot tank delivery port and heat exchanger, or is arranged on the pipeline of temperature lowering water outlet and the outlet valve import being communicated with heat exchanger; One end of described bypass pipe is communicated with the import of outlet valve, and the other end of bypass pipe is communicated with hot tank delivery port; Described second pipeline switching valve is arranged on bypass pipe.
Described heat exchanger inside is provided with heat exchanger tube, and described heat exchanger tube is single channel heat exchanger tube, and its one end is communicated with high-temperature water import, and the other end is communicated with temperature lowering water outlet.
Described hot tank is provided with the hot tank attemperating unit and hot tank overtemperature protection system that electrically connect with electric controller; Described hot tank attemperating unit is automatically reset button-shaped attemperating unit, or temp probe, or temperature sensor; Described hot tank overtemperature protection system is the button-shaped attemperating unit of hand-reset, or for the water prode or switch that in hot tank, whether there is water or not can be detected.
Described hot tank is provided with safety valve, and the release pressure of safety valve is preferably not more than 0.03MPa.
Described heat exchanger is provided with the second electric heater; Described second electric heater and electric controller electrically connect.
Described heat exchanger is also provided with heat exchanger attemperating unit and heat exchanger overtemperature protection system; Described heat exchanger attemperating unit is automatically reset button-shaped attemperating unit, or temp probe, or temperature sensor; Described heat exchanger overtemperature protection system is the button-shaped attemperating unit of hand-reset, or for the water prode or switch that in heat exchanger, whether there is water or not can be detected.
Described first pipeline switching valve, the second pipeline switching valve and outlet valve are hand-operated valve, or are magnetic valve, the motor-driven valve of Electric control, or wherein a part is hand-operated valve, and all the other are magnetic valve, the motor-driven valve of Electric control.
Disinfection with hot water drinking-water system, also comprises purifier; Described purifier is arranged on and is communicated with on the normal-temperature water import of heat exchanger and the pipeline at water source.
The second technical scheme realizing the object of the invention is: disinfection with hot water drinking-water system, comprises hot tank, heat exchanger, the first pipeline switching valve, the second pipeline switching valve, outlet valve, bypass pipe and electric controller; Described hot tank is provided with hot tank water inlet, hot tank delivery port and the first electric heater; Described first electric heater and electric controller electrically connect; Described heat exchanger is provided with high-temperature water import, temperature lowering water outlet, normal-temperature water import and intensification water out; The hot tank delivery port of described high-temperature water inlet communication, the import of temperature lowering water outlet outlet valve, normal-temperature water import water receiving source, intensification water out is communicated with hot tank water inlet; Described first pipeline switching valve is arranged on and is communicated with on the normal-temperature water import of heat exchanger and the pipeline at water source; The connection water source, one end of described bypass pipe, the other end of bypass pipe is communicated with hot tank water inlet; Described second pipeline switching valve is arranged on bypass pipe.
Described heat exchanger inside is provided with heat exchanger tube; Described heat exchanger tube is single channel heat exchanger tube, and its one end is communicated with high-temperature water import, and the other end is communicated with temperature lowering water outlet.
Described hot tank is provided with the hot tank attemperating unit and hot tank overtemperature protection system that electrically connect with electric controller; Described hot tank attemperating unit is automatically reset button-shaped attemperating unit, or temp probe, or temperature sensor; Described hot tank overtemperature protection system is the button-shaped attemperating unit of hand-reset, or for the water prode or switch that in hot tank, whether there is water or not can be detected.
Described hot tank is provided with safety valve, and the release pressure of safety valve is preferably not more than 0.03MPa.
Described first pipeline switching valve, the second pipeline switching valve and outlet valve are hand-operated valve, or are magnetic valve, the motor-driven valve of Electric control, or wherein a part is hand-operated valve, and all the other are magnetic valve, the motor-driven valve of Electric control.
Disinfection with hot water drinking-water system, also comprises purifier; Described purifier is arranged on and is communicated with on the normal-temperature water import of heat exchanger and the pipeline at water source.
Have employed technique scheme, the present invention has following beneficial effect: (1) pipeline of the present invention is arranged so that system regularly can be sterilized to the outlet pipeline of drinking-water system and flowing water Valve by high-temperature-hot-water, can ensure that the total number of bacteria sanitary index of drinking-water system water outlet is qualified, improve drinking water hygiene security.
(2) the present invention controls simply, and the manufacturing cost that prior art increases is few, is easy to apply.
(3) the present invention adopts traditional disinfection with hot water method to carry out disinfection, therefore safely, reliably.
(4) hot tank attemperating unit of the present invention and hot tank overtemperature protection system can ensure that hot tank temperature does not exceed standard, and avoid the overheated work of hot tank.For the heat exchanger being provided with the second electric heater, the heat exchanger attemperating unit on it and heat exchanger overtemperature protection system can ensure that heat exchange temperature does not exceed standard, and avoid the overheated work of heat exchanger.
(5), in the first technical scheme of the present invention, after the second electric heater is set on heat exchangers, Systems Sterilizer better effects if is made, more thorough to the sterilization of low temperature or normal temperature outlet pipeline.
(6) in the second technical scheme of the present invention, second electric heater is not set on heat exchangers, Systems Sterilizer effect also can be made fine, very thorough to the sterilization of low temperature or normal temperature outlet pipeline, and the cost increased is lower, be highly susceptible to applying.
(7) safety valve on hot tank of the present invention can ensure that the pressure in hot tank does not exceed standard, and improves the security performance of system.
Accompanying drawing explanation
In order to make content of the present invention more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of embodiments of the invention 1.
Fig. 2 is the structural representation of embodiments of the invention 2.
Fig. 3 is the structural representation of embodiments of the invention 3.
Fig. 4 is the structural representation of embodiments of the invention 4.
Label in accompanying drawing is:
Hot tank 1, hot tank water inlet 11, hot tank delivery port 12, heat exchanger 2, high-temperature water import 21, temperature lowering water outlet 22, normal-temperature water import 23 and intensification water out 24, heat exchanger tube 25, second electric heater 26, heat exchanger attemperating unit 27, heat exchanger overtemperature protection system 28, first pipeline switching valve 3, second pipeline switching valve 4, outlet valve 5, bypass pipe 6, purifier 7.
Detailed description of the invention
(embodiment 1)
See Fig. 1, the disinfection with hot water drinking-water system of the present embodiment, comprise hot tank 1, heat exchanger 2, first pipeline switching valve 3, second pipeline switching valve 4, outlet valve 5, bypass pipe 6, purifier 7 and electric controller.
Hot tank 1 is provided with hot tank water inlet 11 and hot tank delivery port 12, and its inside is provided with the first electric heater 13.First electric heater 13 electrically connects with electric controller.Hot tank 1 is provided with the hot tank attemperating unit 14 and hot tank overtemperature protection system 15 that electrically connect with electric controller.Hot tank attemperating unit 14 is automatically reset button-shaped attemperating unit, or temp probe, or temperature sensor.Hot tank overtemperature protection system 15 is the button-shaped attemperating unit of hand-reset, or for the water prode or switch that in hot tank 1, whether there is water or not can be detected.Because if having water in hot tank 1, then just have temperature corresponding with it at a given pressure, such as, under normal pressure, water temperature usually just can not more than 100 DEG C, if anhydrous and the first electric heater 13 dry combustion method occurs in hot tank 1, temperature will sharply rise, that is, as long as confirm there is water in hot tank, if and constant pressure in tank, then in tank, temperature is just limited within the specific limits, such as when in tank, pressure is limited in normal pressure, water temperature is just limited within 100 DEG C, and this just serves anti-overheated effect.
Heat exchanger 2 is provided with high-temperature water import 21, temperature lowering water outlet 22, normal-temperature water import 23 and intensification water out 24.High-temperature water import 21 is communicated with hot tank delivery port 12, and temperature lowering water outlet 22 is communicated with the import of outlet valve 5, and normal-temperature water import 23 water receiving source, intensification water out 24 is communicated with hot tank water inlet 11.Heat exchanger 2 inside is provided with heat exchanger tube 25.Heat exchanger tube 25 is single channel heat exchanger tube, and its one end is communicated with high-temperature water import 21, and the other end is communicated with temperature lowering water outlet 22.
First pipeline switching valve 3 is arranged on the pipeline of temperature lowering water outlet 22 and outlet valve 5 import being communicated with heat exchanger 2.One end of bypass pipe 6 is communicated with the import of outlet valve 5, and the other end of bypass pipe 6 is communicated with hot tank delivery port 12.Second pipeline switching valve 4 is arranged on bypass pipe.First pipeline switching valve 3, second pipeline switching valve 4 and outlet valve 5 are hand-operated valve, or are magnetic valve, the motor-driven valve of Electric control, or wherein a part is hand-operated valve, and all the other are magnetic valve, the motor-driven valve of Electric control.Purifier 7 is arranged on and is communicated with on the normal-temperature water import 23 of heat exchanger 2 and the pipeline at water source.Purifier 7 makes the water flowed into from the import 23 of heat exchanger 2 normal-temperature water first purify through purifier 7, inflow heat exchanger 2 after the poisonous and harmful substance in removal water.
System is at holding state: the inside and outside of heat exchanger tube 25 of heat exchanger 2 inside is all full of water, hot tank 1 inside is also full of water, first electric heater 13 is in Automatic-heating or not heated condition according to temperature control requirement, and the first pipeline switching valve 3 is opening, the second pipeline switching valve 4 is closed condition.
The state of system when student fetches water from outlet valve 5: the high-temperature-hot-water in hot tank 1 flows out from hot tank delivery port 12, flow through the temperature lowering water outlet 22 on the high-temperature water import 21 on heat exchanger 2, the heat exchanger tube 25 of heat exchanger 2 inside, heat exchanger 2 and the first pipeline switching valve 3 more successively, finally flow out from outlet valve 5, high-temperature water in heat exchanger tube 25 in flow process its heat by outside pipe normal-temperature water absorb thus temperature is declined very soon, therefore from outlet valve 5 flow out be the lower drinking water of temperature; Meanwhile, source water can flow to normal-temperature water import 23 on heat exchanger 2 to the inner moisturizing of heat exchanger 2, absorb after thermal temperature raises through heat exchanger 2 and flow out from intensification water out 24 again, then flow into hot tank 1 thermotropism tank 1 and fill into the intensification water with the hot water amount's equivalent flowed out from hot tank 1.
System is in disinfection with hot water state: the inside and outside of heat exchanger tube 25 of heat exchanger 2 inside is all full of water, hot tank 1 inside is also full of water, first electric heater 13 is in Automatic-heating or not heated condition according to temperature control requirement, and the second pipeline switching valve 4 is opening, the first pipeline switching valve 3 is closed condition; Outlet valve 5 is opened when water temperature reaches temperature upper limit in hot tank 1, so, high-temperature water in hot tank 1 flows out from hot tank delivery port 12, directly flows to outlet valve 5 after then flowing through the second pipeline switching valve 4, carries out high-temperature disinfection treatment to outlet valve 5 and corresponding inlet pipeline thereof.If there is several outlet valve 5, can carry out singly successively, not carry out simultaneously, once there be high-temperature water to flow out from outlet valve 5, can valve 5 be closed a little bit smaller, to save high-temperature water consumption.Such outlet valve 5 and corresponding inlet pipeline thereof are sterilized, if regularly carry out such disinfectant measure, can solve water outlet total number of bacteria excessive problem.
(embodiment 2)
See Fig. 2, the present embodiment is substantially the same manner as Example 1, and difference is:
A. the inside of heat exchanger 2 is provided with the second electric heater 26, second electric heater 26 and electrically connects with electric controller.
B. heat exchanger 2 is provided with heat exchanger attemperating unit 27 and heat exchanger overtemperature protection system 28.Heat exchanger attemperating unit 27 is automatically reset button-shaped attemperating unit, or temp probe, or temperature sensor.Heat exchanger overtemperature protection system 28 is the button-shaped attemperating unit of hand-reset, or for the water prode or switch that in heat exchanger 2, whether there is water or not can be detected.
C. the first pipeline switching valve 3 is arranged on the pipeline of the high-temperature water import 21 being communicated with hot tank delivery port 12 and heat exchanger 2.
State when student fetches water from outlet valve 5 is: the high-temperature-hot-water in hot tank 1 flows out from its delivery port, flow through the temperature lowering water outlet 22 on the high-temperature water import 21 on the first pipeline switching valve 3, heat exchanger 2, the heat exchanger tube 25 of heat exchanger inside and heat exchanger 2 more successively, finally flow out from outlet valve 5.
Only just electrified regulation, the At All Other Times all no power heating when system carries out disinfection with hot water state of second electric heater 26.When carrying out disinfection with hot water, first by the first electric heater 13 and the second electric heater 26 all electrified regulation, hot tank 1 water temperature that is inner and heat exchanger 2 inside is made to reach the upper limit of design temperature, then make the first pipeline switching valve 3 open, the second pipeline switching valve 4 closes, the high-temperature water in heat exchanger tube 25 is made to flow to outlet valve 5, the outlet pipeline disinfection with hot water of object exchange heat pipe 25; After such maintenance a period of time, close outlet valve 5, second electric heater 26 stops heating, and reaffirm that the hot water in hot tank 1 reaches the design temperature upper limit, then the first pipeline switching valve 3 is closed, the second pipeline switching valve 4 opens, and opens outlet valve 5, so, high-temperature water in hot tank 1 flows out from hot tank delivery port 12, directly flows to outlet valve 5 after then flowing through the second pipeline switching valve 4, carries out high-temperature disinfection treatment to outlet valve 5 and corresponding inlet pipeline thereof.The Disinfection Effect of this programme is better, more thorough to the sterilization of low temperature or normal temperature outlet pipeline.
(embodiment 3)
See Fig. 3, the present embodiment is substantially the same manner as Example 1, and difference is: hot tank 1 is provided with safety valve 16.The release pressure of the safety valve 16 on hot tank 1 is not more than 0.03MPa.When in hot tank 1, pressure reaches the release pressure of safety valve 16, safety valve 16 take-off, unlatching discharges water, and pressure in hot tank 1 is reduced to below setting pressure, then automatically closes.
First pipeline switching valve 3 is arranged on the water outlet pipeline section of heat exchanger tube 2 by the disinfection with hot water drinking-water system of the present embodiment, because this pipeline section is in lower temperature state when not sterilizing, this reduces the resistance to elevated temperatures requirement of this valve, namely improve the reliability of valve, and this change both on antiseptic property without any impact, do not increase any cost again, therefore this pipeline plan of establishment is more reasonable, more scientific.
(embodiment 4)
See Fig. 4, the present embodiment is substantially the same manner as Example 3, and difference is:
A. the first pipeline switching valve 3 is arranged on and is communicated with on the normal-temperature water import 23 of heat exchanger 2 and the pipeline at water source.
B. the connection water source, one end of bypass pipe 6, the other end of bypass pipe 6 is communicated with hot tank water inlet 11, second pipeline switching valve 4 and is arranged on bypass pipe.
The present embodiment first pipeline switching valve 3 and the second pipeline switching valve 4 are all arranged on normal-temperature water pipeline section, are in normal temperature duty all the time, so these two valves are without the need to bearing the condition of high temperature, therefore are conducive to that system is more reliable or cost is lower.
During sterilization, first pipeline switching valve 3 is closed, second pipeline switching valve 4 is opened, the first electric heater 13 electrified regulation on hot tank 1, outlet valve 5 is opened after temperature reaches setting value in hot tank 1, if there is multiple outlet valve 5 to open singly successively, if in hot tank 1, temperature decline can not meet the high temperature of sterilization requirement in this process, system automatically will be closed outlet valve 5 and be suspended heating, and open the first electric heater 13 electrified regulation, until in hot tank 1, temperature is opened outlet valve 5 again and is continued disinfecting process after reaching requirement simultaneously.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. disinfection with hot water drinking-water system, is characterized in that: comprise hot tank (1), heat exchanger (2), the first pipeline switching valve (3), the second pipeline switching valve (4), outlet valve (5), bypass pipe (6) and electric controller; Described hot tank (1) is provided with hot tank water inlet (11), hot tank delivery port (12) and the first electric heater (13); Described first electric heater (13) and electric controller electrically connect; Described heat exchanger (2) is provided with high-temperature water import (21), temperature lowering water outlet (22), normal-temperature water import (23) and intensification water out (24); Described high-temperature water import (21) is communicated with hot tank delivery port (12), temperature lowering water outlet (22) is communicated with the import of outlet valve (5), normal-temperature water import (23) water receiving source, intensification water out (24) is communicated with hot tank water inlet (11); Described first pipeline switching valve (3) is arranged on the pipeline of the high-temperature water import (21) being communicated with hot tank delivery port (12) and heat exchanger (2), or is arranged on the pipeline of temperature lowering water outlet (22) and outlet valve (5) import being communicated with heat exchanger (2); One end of described bypass pipe (6) is communicated with the import of outlet valve (5), and the other end of bypass pipe (6) is communicated with hot tank delivery port (12); Described second pipeline switching valve (4) is arranged on bypass pipe.
2. disinfection with hot water drinking-water system according to claim 1, is characterized in that: described heat exchanger (2) inside is provided with heat exchanger tube (25); Described heat exchanger tube (25) is single channel heat exchanger tube, and its one end is communicated with high-temperature water import (21), and the other end is communicated with temperature lowering water outlet (22).
3. disinfection with hot water drinking-water system according to claim 1, is characterized in that: described hot tank (1) is provided with the hot tank attemperating unit (14) and hot tank overtemperature protection system (15) that electrically connect with electric controller; Described hot tank attemperating unit (14) is automatically reset button-shaped attemperating unit, or temp probe, or temperature sensor; The button-shaped attemperating unit that described hot tank overtemperature protection system (15) is hand-reset, or for the water prode or switch that in hot tank (1), whether there is water or not can be detected.
4. disinfection with hot water drinking-water system according to claim 1, is characterized in that: described hot tank (1) is provided with safety valve (16).
5. disinfection with hot water drinking-water system according to claim 1, is characterized in that: described heat exchanger (2) is provided with the second electric heater (26); Described second electric heater (26) and electric controller electrically connect.
6. disinfection with hot water drinking-water system according to claim 5, is characterized in that: described heat exchanger (2) is provided with heat exchanger attemperating unit (27) and heat exchanger overtemperature protection system (28); Described heat exchanger attemperating unit (27) is automatically reset button-shaped attemperating unit, or temp probe, or temperature sensor; The button-shaped attemperating unit that described heat exchanger overtemperature protection system (28) is hand-reset, or for the water prode or switch that in heat exchanger (2), whether there is water or not can be detected.
7. disinfection with hot water drinking-water system according to claim 1, it is characterized in that: described first pipeline switching valve (3), the second pipeline switching valve (4) and outlet valve (5) are hand-operated valve, or be the magnetic valve of Electric control, motor-driven valve, or wherein a part is hand-operated valve, all the other are magnetic valve, the motor-driven valve of Electric control.
8. disinfection with hot water drinking-water system according to claim 1, is characterized in that: also comprise purifier (7); Described purifier (7) is arranged on and is communicated with on the normal-temperature water import (23) of heat exchanger (2) and the pipeline at water source.
9. disinfection with hot water drinking-water system, is characterized in that: comprise hot tank (1), heat exchanger (2), the first pipeline switching valve (3), the second pipeline switching valve (4), outlet valve (5), bypass pipe (6) and electric controller; Described hot tank (1) is provided with hot tank water inlet (11), hot tank delivery port (12) and the first electric heater (13); Described first electric heater (13) and electric controller electrically connect; Described heat exchanger (2) is provided with high-temperature water import (21), temperature lowering water outlet (22), normal-temperature water import (23) and intensification water out (24); Described high-temperature water import (21) is communicated with hot tank delivery port (12), temperature lowering water outlet (22) is communicated with the import of outlet valve (5), normal-temperature water import (23) water receiving source, intensification water out (24) is communicated with hot tank water inlet (11); Described first pipeline switching valve (3) is arranged on and is communicated with on the normal-temperature water import (23) of heat exchanger (2) and the pipeline at water source; The connection water source, one end of described bypass pipe (6), the other end of bypass pipe (6) is communicated with hot tank water inlet (11); Described second pipeline switching valve (4) is arranged on bypass pipe.
10. disinfection with hot water drinking-water system according to claim 9, is characterized in that: described heat exchanger (2) inside is provided with heat exchanger tube (25); Described heat exchanger tube (25) is single channel heat exchanger tube, and its one end is communicated with high-temperature water import (21), and the other end is communicated with temperature lowering water outlet (22).
11. disinfection with hot water drinking-water systems according to claim 9, is characterized in that: described hot tank (1) is provided with the hot tank attemperating unit (14) and hot tank overtemperature protection system (15) that electrically connect with electric controller; Described hot tank attemperating unit (14) is automatically reset button-shaped attemperating unit, or temp probe, or temperature sensor; The button-shaped attemperating unit that described hot tank overtemperature protection system (15) is hand-reset, or for the water prode or switch that in hot tank (1), whether there is water or not can be detected.
12. disinfection with hot water drinking-water systems according to claim 9, is characterized in that: described hot tank (1) is provided with safety valve (16).
13. disinfection with hot water drinking-water systems according to claim 9, it is characterized in that: described first pipeline switching valve (3), the second pipeline switching valve (4) and outlet valve (5) are hand-operated valve, or be the magnetic valve of Electric control, motor-driven valve, or wherein a part is hand-operated valve, all the other are magnetic valve, the motor-driven valve of Electric control.
14. disinfection with hot water drinking-water systems according to claim 9, is characterized in that: also comprise purifier (7); Described purifier (7) is arranged on and is communicated with on the normal-temperature water import (23) of heat exchanger (2) and the pipeline at water source.
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| CN201410643407.6A CN104323714B (en) | 2014-11-13 | 2014-11-13 | Disinfection with hot water drinking-water system |
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| CN107115025A (en) * | 2017-05-05 | 2017-09-01 | 余伯坚 | A kind of tap with heating disinfection function |
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| CN111493658A (en) * | 2019-01-30 | 2020-08-07 | 青岛海尔施特劳斯水设备有限公司 | Warm water system and watering device |
| CN112361586A (en) * | 2020-11-03 | 2021-02-12 | 宁波方太厨具有限公司 | Water heater and control method thereof |
| CN112624474A (en) * | 2020-12-18 | 2021-04-09 | 珠海格力电器股份有限公司 | Water purification system and control method |
| CN112624474B (en) * | 2020-12-18 | 2024-02-27 | 珠海格力电器股份有限公司 | Control method of water purification system |
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