CN111854150B - Circulation water-saving type electric hot water shower system - Google Patents
Circulation water-saving type electric hot water shower system Download PDFInfo
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- CN111854150B CN111854150B CN202010577588.2A CN202010577588A CN111854150B CN 111854150 B CN111854150 B CN 111854150B CN 202010577588 A CN202010577588 A CN 202010577588A CN 111854150 B CN111854150 B CN 111854150B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/181—Construction of the tank
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H2250/00—Electrical heat generating means
- F24H2250/02—Resistances
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Control For Baths (AREA)
- Devices For Medical Bathing And Washing (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The invention discloses a circulating water-saving type electric hot water shower system for household life, wherein a second electric heating pipe and a second temperature controller are arranged in a high-temperature water tank, a first electric heating pipe and a first temperature controller are arranged in a low-temperature water tank, the lower ends of a high-temperature water outlet pipe and a low-temperature water outlet pipe are jointly connected with an electric control water mixing valve, the lower end of the electric control water mixing valve is connected with a warm water outlet pipe, the warm water outlet pipe is provided with an air temperature and humidity monitor, a sewage collecting disc, a waste water collecting box, a sewage purification pipeline and a small circulating water pump which are sequentially connected are arranged on a floor in a bathroom, and the outlet of the small circulating water pump is connected with the lower end of a circulating water pipe; the main controller controls the electric control water mixing valve to automatically adjust the mixing ratio of low-temperature water to high-temperature water, hot water at the required optimal temperature is obtained by combining human body comfort level indexes, the quick heater is installed beside the water mixing valve, the problem of insufficient hot water supply is solved, and bathing wastewater is recycled after being filtered, adsorbed and reverse-osmosis treated.
Description
Technical Field
The invention belongs to a bathing device for family life, in particular to a water-saving type electric hot water shower system capable of realizing water circulation.
Background
Aiming at the shortage of water resources at present, the water is saved and the water is saved too much. According to statistics, the waste of water resources mainly comprises the following serious waste of domestic water, industrial water, agricultural irrigation water and the like. It is estimated that water wasted during bathing in a family accounts for approximately 1/4% of the total amount of water wasted by a family per day, so that improvements to bathing devices are of great significance for saving water and energy.
For domestic water, especially shower water, it is important to consider instantaneous regulation of the outlet water temperature, in addition to water conservation. The Chinese patent No. ZL201020147274.0 provides an energy-saving and water-saving hot water supply device, which integrates a heat source, a water storage tank, a hot water pipe network and a control body into an organic whole, and is mainly characterized in that a micro-disturbance water distributor technology of the water storage tank separates cold water and hot water in the water tank, but the micro-disturbance water distributor technology cannot solve the problem that the temperature of the device can be adjusted instantly in the using process, the device still needs to wait for heating for a long time in the temperature adjusting process, and in the using process, a heating pipe continuously works, so that the service life of the device is not prolonged.
Disclosure of Invention
The invention provides a circulating water-saving type electric hot water shower system, which integrates bathing water supply, wastewater collection and water treatment for recycling, can automatically realize the proportion of cold and hot water flow according to the combination of temperature and humidity in a bathroom and human comfort index in the bathing process, and realizes the purposes of energy conservation, factor, instant and comfortable bathing.
The invention provides a technical scheme of a circulating water-saving type electric hot water shower system, which comprises the following steps: the water heater is provided with a hot water tank, a containing cavity in the hot water tank is divided into a high-temperature water tank and a low-temperature water tank by a vertical partition plate, a one-way channel communicated from the low-temperature water tank to the high-temperature water tank is formed in the partition plate, a second electric heating pipe and a second temperature controller are arranged in the high-temperature water tank, a first electric heating pipe and a first temperature controller are arranged in the low-temperature water tank, the side wall of the low-temperature water tank is connected with a tap water supply pipeline through a circulating water pipeline, the bottom of the high-temperature water tank is connected with the upper end of a high-temperature water outlet pipe, the bottom of the low-temperature water tank is connected with the upper end of a low-temperature water outlet pipe, the lower ends of the high-temperature water outlet pipe and the low-temperature water outlet pipe are jointly connected with an electric control water mixing valve, the lower end of the electric control water mixing valve is connected with a warm water outlet pipe, a water temperature monitor is arranged on the warm water outlet pipe, a temperature setting controller is arranged on the electric control water mixing valve, and an air temperature and humidity monitor is arranged beside the electric control valve; a sewage collecting disc, a waste water collecting box, a sewage purification pipeline and a small circulating water pump which are connected in sequence are arranged on the floor in the bathroom, wherein the inlet of the small circulating water pump is connected with the sewage purification pipeline, and the outlet of the small circulating water pump is connected with the lower end of a circulating water pipe; the second electric heating pipe is respectively connected with the second temperature controller and the master controller, and the first electric heating pipe is respectively connected with the first temperature controller and the master controller; the electric control water mixing valve, the water temperature monitor, the temperature setting controller, the rapid heater and the air temperature and humidity monitor are respectively connected with the master controller; the master controller compares the temperature and humidity information obtained by monitoring the air temperature and humidity monitor with the set optimal index of human comfort level, and controls the electric control water mixing valve to adjust the flow ratio of the high-temperature water to the low-temperature water.
The invention has the advantages that:
1. the invention aims at the problems of electric energy resource waste, water resource waste, temperature control regulation in the bathing process, temperature fluctuation and the like in the heating process of a common electric water heater, preheating separation water supply is adopted at a water supply end, temperature and humidity in a bathroom are measured through a temperature and humidity sensor, signals are fed back to a master controller, the master controller controls an electric control water mixing valve to automatically regulate the mixing ratio of low-temperature hot water and high-temperature hot water, hot water with the optimal temperature required by a human body is obtained by combining with the human body comfort degree index, the temperature of the bathing water in the bathing process is automatically determined in the bathing room according to the human body comfort degree index value based on human body comfort degree index analysis, and the maximum comfort degree of a user in the bathing process is ensured.
2. The quick heater is arranged beside the water mixing valve, so that the problem that the temperature of water is quickly reduced in the bathing process can be solved, the problem of insufficient hot water supply is prevented, and the continuous supply of hot water can be realized.
3. The bathing wastewater is subjected to secondary treatment and recycling, and after the bathing wastewater is subjected to filtration, adsorption and reverse osmosis treatment, the water can be recycled, so that a large amount of water resources are saved, and the purpose of saving water is achieved.
4. The invention adopts a heating mode combining low-temperature heating and high-temperature heating, can ensure that the low-temperature hot water in the hot water storage area has less heat dissipation, can also ensure the hot water supply in the bathing process, and reduces the loss of electric energy and heat.
Drawings
FIG. 1 is a schematic view of the structural connection of a water-saving circulating electric hot water shower system according to the present invention;
FIG. 2 is an enlarged view of the internal structure of the sewage purifying pipe in FIG. 1;
FIG. 3 is a block diagram of the control relationships of the present invention in operation;
in the figure: 1. a sewage collection pan; 2. a wastewater collection tank; 3. a sewage purification pipeline; 4. a small-sized circulating water pump; 5. a drain valve; 6. a circulating water supply valve; 7. a circulating water pipeline; 8. a tap water supply pipeline; 9. a water supply valve; 10. an electric control water mixing valve; 11. a warm water outlet pipe; 12. a water temperature monitor; 13. a temperature setting controller; 14. a flash heater; 15. an air temperature and humidity monitor; 16. a high-temperature water outlet pipe; 17. a low-temperature water outlet pipe; 18. a one-way channel; 19. a low temperature water tank; 20. a first temperature controller; 21. a first electric heating tube; 22. a second electric heating tube; 23. a second temperature controller; 24. a hot water tank; 25. a heat-insulating layer; 26. an inner container; 27. a high temperature water tank; 28. a sewage draining outlet; 29. a stainless steel filter unit body; 30. an adsorption unit body; 31. a reverse osmosis unit.
Detailed Description
Referring to fig. 1, the present invention has a hot water tank 24, and the hot water tank 24 has a horizontally disposed cylindrical shape. The cavity in the hot water tank 24 is divided into two parts, namely a high-temperature water tank 27 and a low-temperature water tank 19, by a vertical partition plate, a one-way passage 18 which is communicated from the low-temperature water tank 19 to the high-temperature water tank 27 is formed in the partition plate, and the one-way passage 18 is communicated with the high-temperature water tank 27 and the low-temperature water tank 19, so that water can be only conveyed to the high-temperature water tank 27 through the low-temperature water tank 19. The high temperature water tank 27 contains high temperature water at about 70 ℃, the low temperature water tank 19 contains low temperature water at about 30 ℃, and the warm water for bathing is formed by mixing high temperature water and low temperature water.
A second electric heating pipe 22 is arranged in the high-temperature water tank 27 and used for heating water in the high-temperature water tank 27 to enable the water temperature in the high-temperature water tank 27 to reach 70 ℃; meanwhile, a second temperature controller 23 is installed inside the high temperature water tank 27 to control the operation of the second electric-heating pipe 22, thereby controlling the temperature inside the high temperature water tank 27 to be maintained at 70 ℃. The second electric heating pipe 22 is connected with the second temperature controller 23 and the master controller respectively, the master controller controls the start and stop of the second electric heating pipe 22, and the second temperature controller 23 controls the working temperature of the second electric heating pipe 22.
A first electric heating pipe 21 is arranged in the low-temperature water tank 19 and used for heating water in the low-temperature water tank 19 to enable the water temperature in the low-temperature water tank 19 to reach 30 ℃; meanwhile, a first temperature controller 20 is installed inside the low temperature water tank 19 to control the operation of the first electric-heating pipe 21, thereby controlling the temperature inside the low temperature water tank 19 to be maintained at 30 ℃. The first electric heating pipe 21 is connected with the first temperature controller 20 and the master controller respectively, the master controller controls the start and stop of the first electric heating pipe 21, and the first temperature controller 20 controls the working temperature of the first electric heating pipe 21.
The side wall of the low-temperature water tank 19 is connected with a tap water supply pipeline 8 through a circulating water pipeline 7, and tap water is conveyed into the low-temperature water tank 19 through the tap water supply pipeline 8. A water supply valve 9 is installed on a tap water supply pipeline 8, the water supply valve 9 is connected with a main controller through a control line, the main controller controls the water supply valve 9 to be opened and closed, and the water supply valve 9 is in a normally open state.
The inner walls of the high-temperature water tank 27 and the low-temperature water tank 19 are both provided with a heat preservation layer 26 and an inner container 25, so that heat loss is prevented.
A drain outlet 28 is provided at the bottom of the high temperature water tank 27 for draining off a small amount of dirt that may be present.
The bottom of the high-temperature water tank 27 is connected with the high-temperature water outlet pipe 16, the upper end of the high-temperature water outlet pipe 16 extends to the high-temperature water tank 27, and the bottom of the low-temperature water tank 19 is connected with the upper end of the low-temperature water outlet pipe 17. The lower ends of the high-temperature water outlet pipe 16 and the low-temperature water outlet pipe 17 are connected with the electric control water mixing valve 10 together, the mixing of hot water and cold water is realized in the electric control water mixing valve 10, and warm water is obtained after mixing. The lower end of the electric control water mixing valve 10 is connected with a warm water outlet pipe 11, and warm water flows out of the warm water outlet pipe 11, so that bathing water with proper temperature is realized. A water temperature monitor 12 is mounted on the warm water outlet pipe 11 and used for monitoring the water temperature coming out of the warm water outlet pipe 11, and the water temperature monitor 12 is connected with a master controller through a signal line and transmits a water temperature signal to the master controller. The electric control water mixing valve 10 is connected with a main controller through a control line, and the main controller controls the electric control water mixing valve 10 to freely adjust the cold-hot water mixing ratio of the bathing water, so that the proper temperature is reached.
A temperature setting controller 13 is installed on the electrically controlled water mixing valve 10 and is used for setting the temperature of the warm water in the electrically controlled water mixing valve 10. An air temperature and humidity monitor 15 is arranged beside the electric control water mixing valve 10 and is used for monitoring the temperature and the humidity in the bathing room in real time. The temperature setting controller 13 and the air temperature and humidity monitor 15 are connected with the master controller through signal lines, the master controller compares the temperature and humidity information obtained by monitoring the air temperature and humidity monitor 15 with the human comfort level optimal index of the built-in setting, controls the action of the electric control water mixing valve 10, and timely adjusts the flow ratio of high-temperature water and low-temperature water, so that the requirement of the human comfort level index on indoor temperature and humidity is met. When the indoor temperature and humidity change, the air temperature and humidity monitor 15 transmits the monitored indoor temperature and humidity signals to the master controller, the master controller processes the temperature and humidity data, the cold-hot water mixing ratio is adjusted in time according to whether the human body comfort level index is met, and the most comfortable temperature is given to the bathing water. Human comfort index adopted by master controllerDIThe model is as follows:
in the formula:tis the air temperature (deg.C),RHis the relative humidity of the air and is,vis the wind speed in the bathroom,tandRHis measured by the air temperature and humidity monitor 15.
During bathing, if the ventilation system in the bathroom is always open, the wind speed is set tov=1.0 m/s. Using calculatedDIComparing the value with the optimal human comfort index (59-70), and if the calculated human comfort index is between 59-70, continuously mixing cold water and hot water according to the original water mixing ratio by controlling the electric control water mixing valve 10; if the requirement is not met and is not between 59 and 70, the electric control water mixing valve 10 is controlled to adjust the coldThe water-water mixing ratio of hot water, so as to change the indoor temperature and humidity until the human body comfort index is calculatedDIUntil the value is within the optimal index range.
The lower end of the high-temperature water outlet pipe 16 is provided with a quick heater 14 close to the electric control water mixing valve 10, and the quick heater 14 is sleeved at the outer end of the lower end of the high-temperature water outlet pipe 16 and used for quickly heating the outlet water in the high-temperature water outlet pipe 16. The rapid heater 14 is connected with an overall controller through a control line, and the overall controller controls the rapid heater 14 to be switched on and off. In the bathing process, if the hot water demand is too large or the bathing time is long, the hot water consumption in the high-temperature water tank 27 is large, so that the hot water temperature is reduced. At this time, the fast heater 14 can further heat the hot water with low temperature flowing out from the high-temperature water tank 27, and raise the temperature of the outlet water of the high-temperature outlet pipe 16 in time, so that the mixed high-temperature water and low-temperature water can still keep proper temperature.
The upper end of the circulating water pipeline 7 is connected with a tap water supply pipeline 8, and the lower end thereof extends downwards to the upper part of the floor in the bathroom. Arrange sewage collection dish 1, wastewater collection box 2, sewage purification pipeline 3 and small-size circulating water pump 4 on the floor in the bathroom, sewage collection dish 1, wastewater collection box 2, sewage purification pipeline 3 and small-size circulating water pump 4 are connected gradually through the pipeline, and the access connection sewage purification pipeline 3 of small-size circulating water pump 4, the lower extreme of exit linkage circulating water pipeline 7. The sewage collecting tray 1 is used for collecting sewage for bathing, the sewage for bathing is conveyed into the wastewater collecting tank 2, the sewage in the wastewater collecting tank 2 is purified through the sewage purifying pipeline 3 under the power of the small circulating water pump 4, the sewage is pumped into the circulating water pipeline 7 through the small circulating water pump 4 and enters the low-temperature water tank 19 through the circulating water pipeline 7 for recycling again, and in the process, the small circulating water pump 4 provides the pressure of circulating water. The lower end of the circulating water pipeline 7 is also provided with a drain valve 5 and a circulating water supply valve 6, the drain valve 5 and the circulating water supply valve 6 are in a normally open state, when the circulating water supply valve 6 is closed, water pumped by the small circulating water pump 4 cannot enter the circulating water pipeline 7, and when the drain valve 5 is closed, the circulating water pipeline 7 cannot drain water downwards.
Referring to fig. 2, the sewage purification pipeline 3 sequentially purifies sewage into clean water through filtration, adsorption and reverse osmosis. The sewage purification pipeline 3 is formed by connecting a stainless steel filtering unit body 29, an adsorption unit body 30 and a reverse osmosis unit 31 in sequence along the water flowing direction.
Referring to fig. 1, 2 and 3, after receiving the signal transmitted by the temperature setter 13, the general controller starts the first electric heating pipe 21 and the second electric heating pipe 22 to heat the obtained high-temperature hot water and low-temperature hot water, and the electric water mixing valve 10 adjusts the water mixing ratio to obtain the appropriate bath water temperature. When the indoor temperature and humidity change, the air temperature and humidity monitor 15 monitors the indoor temperature and humidity, and feeds back signals to the master controller in time, the master controller receives and processes the signals, and outputs the signals to the electric control water mixing valve 10, so that the cold-hot water mixing ratio can be adjusted in time according to whether the human body comfort level index is met, and the most comfortable temperature can be provided for bathing. When the water temperature monitor 12 monitors that the temperature of water flowing out of the warm water outlet pipe 11 is too low, signals are fed back to the master controller in time, the master controller processes the signals and then transmits the signals to the quick heater 14, the quick heater 14 is rapidly started, and the proportion of cold water and hot water is timely adjusted according to whether the requirement of a human body comfort index is met, so that the most comfortable temperature is provided for bathing. The specific process is as follows:
the drain valve 5, the circulating water supply valve 6 and the water supply valve 9 are in an open state all the year round. Running water is injected into the low-temperature water tank 19 from the running water supply pipeline 8, and the injected running water can flow into the high-temperature water tank 27 through the one-way channel 18 between the high-temperature water tank and the low-temperature water tank until the high-temperature water tank 27 is full of water. Before bathing, the temperature of the bathing water is manually set through the temperature setting controller 13, at the moment, the master controller receives the temperature signal, the temperature signal is transmitted to the first electric heating pipe 21 and the second electric heating pipe 22 after being processed, the first electric heating pipe 21 and the second electric heating pipe 22 start to heat, and the water temperature in the low-temperature water tank 19 is controlled to be 30 ℃ and the water temperature in the high-temperature water tank 27 is controlled to be 70 ℃ through the corresponding first temperature controller 20 and the corresponding second temperature controller 23 respectively. When bathing, the electric control water mixing valve 10 is opened, and at the moment, high-temperature water and low-temperature water respectively flow out from the high-temperature water outlet pipe 16 and the low-temperature water outlet pipe 17, are mixed by the electric control water mixing valve 10, and flow out from the warm water outlet pipe 11 to be supplied for bathing. In the bathing process, when the temperature monitor 12 monitors that the temperature of the bathing water flowing out of the warm water outlet pipe 11 is lower than the temperature set by the temperature setting controller 13 and cannot meet the set requirement, the signal is fed back to the master controller and is transmitted to the electric control water mixing valve 10 through the master controller, and the electric control water mixing valve 10 can automatically adjust the water mixing ratio to reach the bathing temperature; however, when the temperature of the bath water cannot meet the set requirement all the time due to a large amount of water used for a long time, the signal is fed back to the master controller and is transmitted to the fast heater 14 through the master controller, and the fast heater 14 rapidly heats the water in the high-temperature water outlet pipe 16 until the temperature of the bath water is met. Meanwhile, the air temperature and humidity monitor 15 constantly monitors the temperature and humidity in the bathroom and feeds signals back to the master controller, after the master controller processes and analyzes the temperature and humidity signals, a new signal meeting the requirement of the optimal index (59-70) of human comfort is output to the electric control water mixing valve 10, and the electric control water mixing valve 10 automatically adjusts the water mixing ratio to obtain the comfortable bath water temperature.
The bathing wastewater generated in the bathing process enters a wastewater collection box 2 through a wastewater collection tray 1. When bathing, the small-sized circulating water pump 4 is manually opened, under the suction action of the water pump, wastewater flows through the sewage purification pipeline 3, and is sequentially subjected to water treatment process technologies such as filtration, adsorption, reverse osmosis and the like to obtain harmless secondary use water, the treated harmless water is reintroduced into the low-temperature water tank 19 through the circulating water pipeline 7, and is heated by the first electric heating pipe 21 and the second electric heating pipe 22 together with tap water flowing into the tap water supply pipe 8, so that the cyclic utilization of the bathing wastewater is realized, and the bathing wastewater can also be discharged and reserved through the pipe opening of the drain valve 5. Thus, the purposes of simple, energy-saving and high-efficiency heat supply circulation are achieved.
Claims (8)
1. A circulating water-saving type electric hot water shower system is provided with a hot water tank (24) and is characterized in that: the inner cavity of the hot water tank (24) is divided into a high-temperature water tank (27) and a low-temperature water tank (19) by a vertical partition plate, the partition plate is provided with a one-way channel (18) communicated from the low-temperature water tank (19) to the high-temperature water tank (27), the high-temperature water tank (27) is internally provided with a second electric heating pipe (22) and a second temperature controller (23), the low-temperature water tank (19) is internally provided with a first electric heating pipe (21) and a first temperature controller (20), the side wall of the low-temperature water tank (19) is connected with a tap water supply pipeline (8) through a circulating water pipeline (7), the bottom of the high-temperature water tank (27) is connected with the upper end of a high-temperature water outlet pipe (16), the bottom of the low-temperature water tank (19) is connected with the upper end of a low-temperature water outlet pipe (17), the lower ends of the high-temperature water outlet pipe (16) and the low-temperature water outlet pipe (17) are jointly connected with a water mixing valve (10), and the lower end of the electric control water mixing valve (10) is connected with a water outlet pipe (11), a water temperature monitor (12) is arranged on the warm water outlet pipe (11), a temperature setting controller (13) is arranged on the electric control water mixing valve (10), and an air temperature and humidity monitor (15) is arranged beside the electric control water mixing valve (10); a sewage collecting tray (1), a waste water collecting box (2), a sewage purifying pipeline (3) and a small circulating water pump (4) which are connected in sequence are arranged on the floor in the bathroom, the inlet of the small circulating water pump (4) is connected with the sewage purifying pipeline (3), and the outlet of the small circulating water pump is connected with the lower end of a circulating water pipeline (7); the second electric heating pipe (22) is respectively connected with the second temperature controller (23) and the master controller, and the first electric heating pipe (21) is respectively connected with the first temperature controller (20) and the master controller; the electric control water mixing valve (10), the water temperature monitor (12), the temperature setting controller (13), the rapid heater (14) and the air temperature and humidity monitor (15) are respectively connected with the master controller; the master controller compares the temperature and humidity information obtained by monitoring the air temperature and humidity monitor (15) with the set optimal index of human comfort, and controls the electric control water mixing valve (10) to adjust the flow ratio of the high-temperature water to the low-temperature water.
2. The circulating water-saving electric hot water shower system as claimed in claim 1, wherein: general controller adopted typeDI=（1.818t+18.18）(0.88+0.002RH)+(t-32)/(45-t)-3.2v+18.2 calculating to obtain human comfort indexDIComparing with the optimal human comfort index of 59-70 ifDIIf the value is between 59 and 70, controlling the electric control water mixing valve (10) to continuously mix cold water and hot water according to the original water mixing ratio, otherwise, controlling the electric control water mixing valve (10) to adjust the water mixing ratio of the cold water and the hot water;tis airThe temperature of the mixture is controlled by the temperature,RHis the relative humidity of the air and is,vthe wind speed in the bathroom.
3. The circulating water-saving electric hot water shower system as claimed in claim 1, wherein: after receiving the set temperature signal transmitted by the temperature setter (13), the master controller starts the first electric heating pipe (21) and the second electric heating pipe (22).
4. The circulating water-saving electric hot water shower system as claimed in claim 1, wherein: when the water temperature monitor (12) monitors that the temperature of the bath water flowing out of the warm water outlet pipe (11) is lower than the temperature set by the temperature setting controller (13), the master controller controls the rapid heater (14) to heat.
5. The circulating water-saving electric hot water shower system as claimed in claim 1, wherein: the sewage purification pipeline (3) is formed by connecting a stainless steel filter (29), an adsorption unit body (30) and a reverse osmosis unit (31) in sequence in the water flowing direction.
6. The circulating water-saving electric hot water shower system as claimed in claim 1, wherein: the inner walls of the high-temperature water tank (27) and the low-temperature water tank (19) are respectively provided with a heat-insulating layer (26) and an inner container (25).
7. The circulating water-saving electric hot water shower system as claimed in claim 1, wherein: the lower end of the circulating water pipeline (7) is also provided with a drain valve (5) and a circulating water supply valve (6), a water supply valve (9) is arranged on the tap water supply pipeline (8), and the drain valve (5), the circulating water supply valve (6) and the water supply valve (9) are in an open state all the year round.
8. The circulating water-saving electric hot water shower system as claimed in claim 1, wherein: the first temperature controller (20) controls the water temperature in the low temperature water tank (19) to be 30 ℃, and the second temperature controller (23) controls the water temperature in the high temperature water tank (27) to be 70 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010577588.2A CN111854150B (en) | 2020-06-23 | 2020-06-23 | Circulation water-saving type electric hot water shower system |
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