CN104180517A - Water boiler with double preheating modes - Google Patents
Water boiler with double preheating modes Download PDFInfo
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- CN104180517A CN104180517A CN201410462293.5A CN201410462293A CN104180517A CN 104180517 A CN104180517 A CN 104180517A CN 201410462293 A CN201410462293 A CN 201410462293A CN 104180517 A CN104180517 A CN 104180517A
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Abstract
The invention discloses a water boiler with double preheating modes. The water boiler comprises a water boiling tank, a water preheating tank and a cold water tank. The cold water tank is arranged above the water preheating tank and used for supplementing water to the water preheating tank. The water boiling tank is parallel and adjacent to the water preheating tank. According to the water boiler, the three water tanks are adopted, the water boiling tank generates boiled water of 100 DEG C, the water preheating tank generates hot water of 80 DEG C, and the cold water tank supplements the water when the level of the water in the water preheating tank is low. When the water preheating tank is heated, steam generated by water boiling enters a steam exhausting pipe, and as the level of cold water in the cold water tank is higher than the steam exhausting pipe, in the process of exhausting the steam in the steam exhausting pipe in a circulating mode, generated heat preheats the cold water in the cold water tank; meanwhile, as the temperature of the water in the water preheating tank is 80 DEG C, when the water boiler does not carry out heating and is in a standby state, the cold water tank continues to absorb the heat generated by the hot water in the water preheating tank for preheating the cold water. By means of the two modes, the water boiler can effectively recover and utilize the lost heat in the heating and standby processes, energy is saved, and consumption is reduced.
Description
Technical field
The present invention relates to boiler technical field, particularly relate to a kind of dual pre-heated boiler.
Background technology
The structure of existing boiler as shown in Figure 1, comprises power switch, attemperater, heating unit, temperature detecting unit, water filling unit, water level detecting unit, control module and water unit.Wherein attemperater is connected with water unit in heating unit, temperature detecting unit, water filling unit, water level detecting unit respectively, and control module is connected with power switch, heating unit, temperature detecting unit, water filling unit and water level detecting unit respectively.With when after boiler installation, first by water filling unit to water filling in attemperater, then turn on the power switch, control module control heating unit is that the water in attemperater heats.In the time that temperature detecting unit detects that water temperature arrives predefined temperature threshold, heating unit stops heating; When user takes boiling water by water unit, water level in attemperater declines, when water level detecting unit inspection is to the water level in attemperater during lower than predefined watermark threshold, water filling unit is to water filling in attemperater, makes water level in attemperater always higher than the position of the delivery port of water unit.
But in the time of continuous water intaking, cold water enters attemperater to be mixed with the boiling water of the inside, and occurs mixing water (water); In the time not fetching water for a long time, the water in attemperater is boiled repeatedly, becomes thousand boiling water, and the metal ingredient such as calcium, magnesium and content of nitrite in this water are very high, often drinks intestines, stomach function that this water can disturb people, occurs temporarily diarrhoea, abdominal distension.And due to heating repeatedly, done many idle works, energy consumption is high.
And, boiler product is no matter be any control principle at present, be the process that is heated to 90-100 degree boiling water from normal-temperature water, temperature rise process is between 75-85 degree, owing to using objective condition, need to take in the unit interval minable water yield larger, for meeting this requirement, boiler all adopts the mode that increases boiled water tank volume and increase heating tube power, and generally at 12KW, energy consumption is high, cost is high, heat time is long, and does not have the building of power electric to use at some, can only take to increase the mode of boiler quantity.
In addition, running water inevitably can produce secondary pollution in growing apart from pipe network course of conveying; Equally, in high-hardness water area, water quality is really up to the mark, produces scale incrustation scale when heating, and these drinking water are all endangering our health all the time.Boiler heating position produces incrustation scale, also causes the efficiency of heating surface slow, increases and safeguards and electricity cost, more seriously after heating position incrustation scale increases, also has potential safety hazard.
Summary of the invention
The present invention, for solving the aforementioned problems in the prior, provides a kind of dual pre-heated boiler, reaches energy-saving and cost-reducing object.
For achieving the above object, technical scheme of the present invention provides a kind of dual pre-heated boiler, and described boiler comprises boiled water tank, preheating water tank and cold water storage cistern;
Described cold water storage cistern is arranged on described preheating water tank top, for giving described preheating water tank's moisturizing;
Described preheating water tank is used for the cool water heating holding to predefined temperature; Described preheating water tank's bottom is provided with preheating heating tube, and the junction of top and described cold water storage cistern is provided with cold water entering water electromagnetic valve, and the top of sidewall is provided with overfall; Water level detecting probe stretches into described preheating water tank's inside, and for detection of the water level of the water in described preheating water tank, described boiler is according to the moisturizing of water level control cold water and the heating of preheating heating tube that detect;
Described boiled water tank is parallel with preheating water tank adjacent, for being heated to boiling through the water of preheating; Described boiled water tank is divided into upper and lower two parts, and the bottom of described boiled water tank is provided with boiling water heating tube, and is communicated with described preheating water tank, and described preheating water tank's water flows into boiled water tank; The top of described boiled water tank is collecting box, and described collecting box is taper wide at the top and narrow at the bottom, and its least significant end part is delivery port, and described delivery port picks out water solenoid valve, after the water boiling in described boiled water tank, flows out through described delivery port; Described collecting box bottom is water level balance line position, and described collecting box top connects vapour-discharge tube; Described vapour-discharge tube is placed in described cold water storage cistern, and the water level of described cold water storage cistern is higher than described vapour-discharge tube, and described cold water storage cistern is stretched out in the gas outlet of described vapour-discharge tube.
Further, described boiler also comprises for the impurity of former water being filtered to the also clean unit of demineralized water; Described clean unit comprises former water water inlet, pretreatment subelement, reverse osmosis membrane and cold water delivery port;
Described pretreatment subelement is connected with described former water water inlet, for filtering impurity and the suspension of the former water injecting from former water water inlet;
Described reverse osmosis membrane is connected with described pretreatment subelement and cold water delivery port respectively, enters reverse osmosis membrane through described pretreatment subelement treated water, removes after bacterium, heavy metal and the microorganism in water, injects described cold water storage cistern by described cold water delivery port.
Further, described pretreatment subelement comprises the first melt-blown filter, active carbon and the second melt-blown filter, and former water is successively by entering reverse osmosis membrane after the first melt-blown filter, active carbon and the second melt-blown filter; The filtering accuracy of described the first melt-blown filter is 5 microns, and the filtering accuracy of the second melt-blown filter is 1 micron.
Further, described water level detecting probe comprises upper limit water-level probe, boiling water water-level probe and lower limit water-level probe;
Described upper limit water-level probe is arranged on overfall below, controls cold water entering water electromagnetic valve close for raising according to water level, prevents that cold water from overflowing preheating water tank;
Described boiling water water-level probe is arranged on water level balance line position, for carrying out moisturizing according to water level reduction and the control cold water entering water electromagnetic valve opening and closing that raise;
Described lower limit water-level probe is arranged on preheating heating tube top, closes for reduce control preheating heating tube according to water level, prevents no-water dry combustion.
Further, described water level detecting probe is the non-probe contact of electric capacity water level formula probe or resistance to electrolysis probe.
Further, described vapour-discharge tube is stainless steel thin-wall radiating tube.
Further, described vapour-discharge tube is rotating round shape.
Further, the water in described boiled water tank in the time of not boiling water level lower than delivery port, when boiling higher than delivery port.
Further, described boiled water tank also comprises boiling water temperature sensor, is arranged on water outlet, for detection of the temperature of water outlet water.
Further, described preheating water tank also comprises preheating water temperature sensor, is arranged on preheating heating tube place, for detection of the temperature of water in preheating water tank.
Compared with prior art, beneficial effect of the present invention is as follows:
The present invention adopts three water tanks, and boiled water tank heating produces 100 degree boiling water, and preheating water tank produces 80 degree hot water, and cold water storage cistern carries out moisturizing in the time that preheating water tank's water level reduces.When boiler heating at once, the steam that water boiling produces enters vapour-discharge tube, because cold water storage cistern cold water water level is higher than vapour-discharge tube, circulate in vapour-discharge tube at steam in the process of discharging, and the cold water of the heat preheating cold water case of generation; Meanwhile, because water temperature in preheating water tank is at 80 degree, in the time not heating standby, cold water storage cistern continues to absorb the hot gas that in preheating water tank, hot water produces cold water is carried out to preheating.By these two kinds of modes, the present invention can effectively recycle the thermal loss in heating and standby process, energy-saving and cost-reducing.
The present invention processes former water by clean unit, has removed pollution, guarantees personnel's drinking-water health; In addition, the steam producing when the present invention utilizes heating carries out preheating to the water in preheating water tank, has improved the efficiency of heating surface, has reduced energy resource consumption.
Brief description of the drawings
Fig. 1 is the structural representation of the boiler of prior art;
Fig. 2 is the structural representation of a kind of dual pre-heated boiler of the present invention;
Fig. 3 is the structural representation of clean unit of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
Embodiment 1
As shown in Figure 2, described boiler comprises boiled water tank 1, preheating water tank 2 and cold water storage cistern 3 to the structure of a kind of dual pre-heated boiler of the present invention;
Described cold water storage cistern 3 is arranged on described preheating water tank 2 tops, for giving described preheating water tank's 2 moisturizings;
Described preheating water tank 2 for by the cool water heating holding to predefined temperature; Described preheating water tank's 2 bottom is provided with preheating heating tube 22, and the junction of top and described cold water storage cistern 3 is provided with cold water entering water electromagnetic valve 21, and the top of sidewall is provided with overfall 24; Water level detecting probe 25 stretches into described preheating water tank's 2 inside, and for detection of the water level of the water in described preheating water tank 2, described boiler is according to the moisturizing of water level control cold water and the heating of preheating heating tube 22 that detect;
Described boiled water tank 1 is parallel with preheating water tank 2 adjacent, for being heated to boiling through the water of preheating; Described boiled water tank 1 is divided into upper and lower two parts, and the bottom 11 of described boiled water tank is provided with boiling water heating tube 12, and is communicated with described preheating water tank 2, and described preheating water tank's 2 water flows into boiled water tank 1; The top of described boiled water tank 1 is collecting box 13, and described collecting box 13 is taper wide at the top and narrow at the bottom, and its least significant end part is delivery port 14, and described delivery port 14 picks out water solenoid valve 15, after the water boiling in described boiled water tank 1, flows out through described delivery port 14; Described collecting box 13 bottoms are water level balance line 16 positions, and described collecting box 13 tops connect vapour-discharge tube 17; Described vapour-discharge tube 17 is placed in described cold water storage cistern 3, and the water level of described cold water storage cistern 3 is higher than described vapour-discharge tube 17, and described cold water storage cistern 3 is stretched out in the gas outlet of described vapour-discharge tube 17.
Described water level detecting probe 25 comprises upper limit water-level probe, boiling water water-level probe and lower limit water-level probe; Described upper limit water-level probe is arranged on overfall 24 belows, controls cold water entering water electromagnetic valve 21 close for raising according to water level, prevents that cold water from overflowing preheating water tank 2; Described boiling water water-level probe is arranged on water level balance line 16 positions, for carrying out moisturizing according to water level reduction and control cold water entering water electromagnetic valve 21 opening and closing that raise; Described lower limit water-level probe is arranged on preheating heating tube 22 tops, closes for reduce control preheating heating tube 22 according to water level, prevents no-water dry combustion.Described water level detecting probe 25 can be the non-probe contact of electric capacity water level formula probe or resistance to electrolysis probe.
Taking boiling water water-level probe as example, the structure of water level detecting probe 25 is described.In the present embodiment, this boiling water water-level probe is made up of two conductors, and two conductors stretch into respectively preheating water tank 2 different depth, stretches into a conductor darker in preheating water tank 2 and is connected with the water in preheating water tank 2 all the time.When water filling, in the time that two conductors are all connected with the water in preheating water tank 2, two conductor dbus are crossed the water conducting in preheating water tank 2, and now boiler control entering water electromagnetic valve 21 is closed, and stops water filling; When water intaking, in the time stretching into conductor more shallow in preheating water tank 2 and leave the water in preheating water tank 2, two conductors disconnect, and now boiler control entering water electromagnetic valve 21 is opened, and starts water filling.
Described vapour-discharge tube 17 is for being the stainless steel thin-wall radiating tube of rotating round shape.
Water in described boiled water tank 1 in the time of not boiling water level lower than delivery port 14, when boiling higher than delivery port 14.
Described boiled water tank 1 also comprises boiling water temperature sensor 18, is arranged on delivery port 14 places, for detection of the temperature of delivery port 4 place's water.Described preheating water tank 2 also comprises preheating water temperature sensor, is arranged on preheating heating tube 22 places, also can use temp.-sensing wire to be inserted in preheating heating tube 22, for detection of the temperature of preheating water tank's 2 interior water.
The present invention adopts the water outlet of water outlet solenoid control, can adopt a delivery port, also can adopt multiple delivery ports; In the time adopting a delivery port, for drink a boiling water always; In the time adopting multiple delivery port, for example, while adopting three delivery ports, it can be the situation such as two boiling water one normal temperature or two warm water one boiling water, this kind of situation do not used the key switch on control panel by considering, but at boiler front panel, water key switch is installed separately, should consider reserved to pick out water solenoid valve number of terminals, now the key switch on control panel should be able to be closed inoperative.
If boiler of the present invention is first use, in the time that boiler connects power supply and water source and uses for the first time, press hot water button, lack of water is reported to the police and anti-dry starts, start normal water inlet, treat that water inlet limit, low water level back starts preheating water tank's heating, when automatically closing economizer bank heating after arrival balance high water level, instant heating heating tube starts heating, display floater temperature shows raising gradually, in the time that Display panel 100 is spent, (output water temperature is controlled at 95 degree above) goes out water solenoid valve and can open, and goes out hot water.Push button, stop heating and entering water electromagnetic valve moisturizing, water solenoid valve is closed out in time delay for 1 second.In preheating balanced reservoir, water temperature continues to preheat as do not reached design temperature (be 75 degree such as preheat temperature is set, water temperature is down to 50 degree and is reheated, and this parameter area is adjustable).But in the time pressing hot water button, automatically close preheating system.
If boiler of the present invention is normal use, in the time taking away water, press boiling water button, thick-film heating pipe starts heating.When heating, upper condensate sump warming detects heating tube water temperature and reaches, and goes out water solenoid valve and open in the time that temperature demonstration 100 is spent, and water nozzle flows out boiling water.Water level carries out moisturizing by boiling water probe in detecting to the reduction of preheating balanced reservoir water level and the control entering water electromagnetic valve opening and closing that raise, so circulation, and guarantee continuously provides the boiling water of 95 degree-100 degree.In the time getting warm water, press warm water button, warming detected temperatures is controlled upper condensate sump entering water electromagnetic valve and the open and close of preheating water tank's entering water electromagnetic valve within the scope of 40-55 degree, ensures that delivery port flows out warm water between 40-55 degree.
After boiler of the present invention stops fetching water 1 minute, boiling water button automatically locked, and boiling water solution locking key Chang Liang opens after separating locking key, separated locking key lamp and went out.When pressing cold water, warm water, after boiling water button, press key lamp is bright, and water outlet is pressed again, and press key lamp goes out, and stops water outlet.
Boiler of the present invention is according to flow or time showing filter element life progress bar, successively decrease, in the time being decremented to distance and changing core 15 days, filter element life prompting bar least significant end red colored lamp shows, safeguard attention gatter and stopping alarm prompting bar lamp Chang Liang, when press cold water at every turn, when warm water or the water intaking of boiling water key, two lamps glimmer simultaneously, in the time that distance also remains 5 days, press cold water at every turn, warm water or the water intaking of boiling water key are by interrupted buzzing prompting, after maintenance period is not also changed maintenance as arrived, zero clearing is set, machine will cut off all working state automatically, panel all locks blank screen, only have stopping alarm prompting bar and safeguard attention gatter Chang Liang.
Boiler of the present invention has that temperature shows in real time, the setting of preheating water temperature, the setting of boiling water temperature, temperature show that compensation arranges function, preheating water tank's heating-up temperature scope (0-100 degree) and Heat preservation start-up temperature (0-100 degree) can be set, can carry out boiling water leaving water temperature adjusting and the adjusting of warm water leaving water temperature are set, also can compensate adjusting to displays temperature and actual temperature, such as water outlet observed temperature is 90, can+, low several years of-Compensation Regulation displays temperature or high several years.
Embodiment 2
The present embodiment is similar to Example 1, and difference is that described boiler also comprises for the impurity of former water being filtered to the also clean unit of demineralized water; The structure of this clean unit as shown in Figure 3, comprises former water water inlet, pretreatment subelement, reverse osmosis membrane and cold water delivery port; Described pretreatment subelement is connected with described former water water inlet, for filtering impurity and the suspension of the former water injecting from former water water inlet; Comprise the first melt-blown filter, active carbon and the second melt-blown filter, former water is successively by entering reverse osmosis membrane after the first melt-blown filter, active carbon and the second melt-blown filter; The filtering accuracy of described the first melt-blown filter is 5 microns, and the filtering accuracy of the second melt-blown filter is 1 micron.Described reverse osmosis membrane is connected with described pretreatment subelement and cold water delivery port respectively, enter reverse osmosis membrane through described pretreatment subelement treated water, remove after bacterium, heavy metal and the microorganism in water, inject described cold water storage cistern 3 by described cold water delivery port.
When use, press water quality button, water quality button and TDS lamp are bright, and control system is popped one's head in and detected pure water by TDS, and charactron shows TDS value, within 10 seconds, automatically gets back to afterwards initial show state.Flushing, water processed, water are full, lack of water is RO system water management status lamp processed, according to instant corresponding demonstration of the relevant work state of RO water manufacturing system.
The preheating water tank 2 of boiler of the present invention is parallel with boiled water tank 1 adjacent, and the remaining temperature in boiled water tank 1 can be carried out preheating to the water in preheating water tank 2, can more effectively utilize the energy.
The present invention adopts three water tanks, and boiled water tank heating produces 100 degree boiling water, and preheating water tank produces 80 degree hot water, and cold water storage cistern carries out moisturizing in the time that preheating water tank's water level reduces.When boiler heating at once, the steam that water boiling produces enters vapour-discharge tube, because cold water storage cistern cold water water level is higher than vapour-discharge tube, circulate in vapour-discharge tube at steam in the process of discharging, and the cold water of the heat preheating cold water case of generation; Meanwhile, because water temperature in preheating water tank is at 80 degree, in the time not heating standby, cold water storage cistern continues to absorb the hot gas that in preheating water tank, hot water produces cold water is carried out to preheating.By these two kinds of modes, the present invention can effectively recycle the thermal loss in heating and standby process, energy-saving and cost-reducing.
The present invention processes former water by clean unit, has removed pollution, guarantees personnel's drinking-water health; In addition, the steam producing when the present invention utilizes heating carries out preheating to the water in preheating water tank, has improved the efficiency of heating surface, has reduced energy resource consumption.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a dual pre-heated boiler, is characterized in that, described boiler comprises boiled water tank, preheating water tank and cold water storage cistern;
Described cold water storage cistern is arranged on described preheating water tank top, for giving described preheating water tank's moisturizing;
Described preheating water tank is used for the cool water heating holding to predefined temperature; Described preheating water tank's bottom is provided with preheating heating tube, and the junction of top and described cold water storage cistern is provided with cold water entering water electromagnetic valve, and the top of sidewall is provided with overfall; Water level detecting probe stretches into described preheating water tank's inside, and for detection of the water level of the water in described preheating water tank, described boiler is according to the moisturizing of water level control cold water and the heating of preheating heating tube that detect;
Described boiled water tank is parallel with preheating water tank adjacent, for being heated to boiling through the water of preheating; Described boiled water tank is divided into upper and lower two parts, and the bottom of described boiled water tank is provided with boiling water heating tube, and is communicated with described preheating water tank, and described preheating water tank's water flows into boiled water tank; The top of described boiled water tank is collecting box, and described collecting box is taper wide at the top and narrow at the bottom, and its least significant end part is delivery port, and described delivery port picks out water solenoid valve, after the water boiling in described boiled water tank, flows out through described delivery port; Described collecting box bottom is water level balance line position, and described collecting box top connects vapour-discharge tube; Described vapour-discharge tube is placed in described cold water storage cistern, and the water level of described cold water storage cistern is higher than described vapour-discharge tube, and described cold water storage cistern is stretched out in the gas outlet of described vapour-discharge tube.
2. the quick Instant heating type energy-saving water boiler of small-power as claimed in claim 1, is characterized in that, described boiler also comprises for the impurity of former water being filtered to the also clean unit of demineralized water; Described clean unit comprises former water water inlet, pretreatment subelement, reverse osmosis membrane and cold water delivery port;
Described pretreatment subelement is connected with described former water water inlet, for filtering impurity and the suspension of the former water injecting from former water water inlet;
Described reverse osmosis membrane is connected with described pretreatment subelement and cold water delivery port respectively, enters reverse osmosis membrane through described pretreatment subelement treated water, removes after bacterium, heavy metal and the microorganism in water, injects described cold water storage cistern by described cold water delivery port.
3. the quick Instant heating type energy-saving water boiler of small-power as claimed in claim 2, it is characterized in that, described pretreatment subelement comprises the first melt-blown filter, active carbon and the second melt-blown filter, and former water is successively by entering reverse osmosis membrane after the first melt-blown filter, active carbon and the second melt-blown filter; The filtering accuracy of described the first melt-blown filter is 5 microns, and the filtering accuracy of the second melt-blown filter is 1 micron.
4. the quick Instant heating type energy-saving water boiler of small-power as claimed in claim 1, is characterized in that, described water level detecting probe comprises upper limit water-level probe, boiling water water-level probe and lower limit water-level probe;
Described upper limit water-level probe is arranged on overfall below, controls cold water entering water electromagnetic valve close for raising according to water level, prevents that cold water from overflowing preheating water tank;
Described boiling water water-level probe is arranged on water level balance line position, for carrying out moisturizing according to water level reduction and the control cold water entering water electromagnetic valve opening and closing that raise;
Described lower limit water-level probe is arranged on preheating heating tube top, closes for reduce control preheating heating tube according to water level, prevents no-water dry combustion.
5. the quick Instant heating type energy-saving water boiler of small-power as claimed in claim 4, is characterized in that, described water level detecting probe is the non-probe contact of electric capacity water level formula probe or resistance to electrolysis probe.
6. the quick Instant heating type energy-saving water boiler of small-power as claimed in claim 1, is characterized in that, described vapour-discharge tube is stainless steel thin-wall radiating tube.
7. the quick Instant heating type energy-saving water boiler of small-power as claimed in claim 6, is characterized in that, described vapour-discharge tube is rotating round shape.
8. the quick Instant heating type energy-saving water boiler of the small-power as described in claim 1 to 7 any one, is characterized in that, the water in described boiled water tank in the time of not boiling water level lower than delivery port, when boiling higher than delivery port.
9. the quick Instant heating type energy-saving water boiler of the small-power as described in claim 1 to 7 any one, is characterized in that, described boiled water tank also comprises boiling water temperature sensor, is arranged on water outlet, for detection of the temperature of water outlet water.
10. the quick Instant heating type energy-saving water boiler of the small-power as described in claim 1 to 7 any one, is characterized in that, described preheating water tank also comprises preheating water temperature sensor, is arranged on preheating heating tube place, for detection of the temperature of water in preheating water tank.
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| CN105546802A (en) * | 2016-01-31 | 2016-05-04 | 佛山市四季茶香茶具有限公司 | Intelligent instantly-heating type drinking water heating device |
| CN105716064A (en) * | 2016-04-29 | 2016-06-29 | 佛山市中国科学院上海硅酸盐研究所陶瓷研发中心 | Steam generation device stably and rapidly providing steam |
| CN107101363A (en) * | 2017-06-06 | 2017-08-29 | 上海口渡文化传播有限公司 | A kind of double electrical heat tracing water tank boilers of alternately switching |
| CN107440526A (en) * | 2017-08-07 | 2017-12-08 | 四川红山红科技有限公司 | A kind of potable water tank heating control system and method |
| CN108954849A (en) * | 2018-09-15 | 2018-12-07 | 厦门恒节康科技有限公司 | A kind of control method and control system of the open type heat storage water tank of electronic water closet |
| CN109005609A (en) * | 2018-07-19 | 2018-12-14 | 丁宇 | A kind of graphene heating system applied to staple food dining car |
| CN109028558A (en) * | 2018-08-06 | 2018-12-18 | 佛山黎咖珑科技有限公司 | A kind of energy-saving electric water heater |
| CN110145862A (en) * | 2019-06-13 | 2019-08-20 | 深圳市英尼克电器有限公司 | A kind of double throttle, accurate immediate heating type pure water boiler and heating means |
| CN114001342A (en) * | 2021-11-05 | 2022-02-01 | 中车南京浦镇车辆有限公司 | Water boiler for plateau railway vehicle and control method thereof |
| US11476480B2 (en) * | 2017-09-20 | 2022-10-18 | Fuelcell Energy, Inc. | Steam generator for fuel cell applications |
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Application publication date: 20141203 |