CN106524489A - Constant flow segmented quick heating device and heating method thereof - Google Patents
Constant flow segmented quick heating device and heating method thereof Download PDFInfo
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- CN106524489A CN106524489A CN201611184447.4A CN201611184447A CN106524489A CN 106524489 A CN106524489 A CN 106524489A CN 201611184447 A CN201611184447 A CN 201611184447A CN 106524489 A CN106524489 A CN 106524489A
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Classifications
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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
-
- 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
- F24H9/001—Guiding means
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cookers (AREA)
Abstract
The invention relates to a constant flow segmented quick heating device and a heating method thereof. The device comprises a preheating water tank, a preheating device, a highest water level limiting structure, a water boiling container and a quick heating device; the water boiling container is provided with a water inlet, a water outlet and an exhaust hole; the water outlet is connected with a water outlet solenoid valve; the exhaust hole is communicated with the preheating water tank through an exhaust pipe; the water boiling container is positioned below the preheating water tank; the water inlet is communicated with the preheating water tank through a water inlet pipe; a flow sensor and a flow adjustor are arranged on the water inlet pipe. The preheating water tank and the water boiling container of the constant flow segmented quick heating device are arranged at different heights, and a height difference is formed between the height of the outlet of the water outlet solenoid valve and the highest water level of the preheating water tank; constant flow speed water taking is realized by utilizing a mode that water flows downwards; the flow of the water inlet pipe is adjusted by combining the flow adjustor, so that when the water flows from a water outlet faucet through the water boiling container, the water is heated to a required temperature; therefore, the purpose that the outlet water temperature is stable is achieved.
Description
Technical field
The present invention relates to a kind of drinking equipment, particularly a kind of constant current segmentation speed heat heater and its heating means.
Background technology
Existing speed heat mode of heating is all that the water after purification is directly entered heating module, is flowed out by the pressure of tap water, but
The pressure of tap water is not constant（When it is big when it is little）, need plus a flow control valve is adjusted, certainly, Flow-rate adjustment
Valve also can be affected by intake pressure and flow, and water velocity is difficult control, cause current and heating power to mismatch, and water flows through
When big temperature not enough, when current are too small can spraying steam, and water outlet flow instability, when have intermittent phenomenon, heating
When produced steam be exhausted directly to inside drain pipe, cause heat to scatter and disappear.
The content of the invention
It is an object of the invention to provide a kind of simple and reasonable for structure, energy-conserving and environment-protective, zero discharge of steam, water flow and
Temperature stabilization, the simple constant current segmentation speed heat heater of control and its heating means, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this：
A kind of constant current is segmented speed heat heater, including preheating water tank's component, speed heat component to boil water and control system, preheating water tank
Component is provided with preheating water tank, preheating apparatus and peak level limiting structure, and speed heat component to boil water is provided with water boiling vessels and speed adds
Thermal, water boiling vessels are provided with water inlet, outlet and air vent, and outlet is connected with water solenoid valve, and air vent is by row
Trachea is connected with preheating water tank, it is characterised in that：The water boiling vessels are located at below preheating water tank, and exhaustor is connected with preheating water tank
Logical position is located above peak level, and the water inlet of water boiling vessels is connected with preheating water tank by water inlet pipe, is set on water inlet pipe
Have flow transducer and a flow regulator, flow transducer, preheating apparatus, fast heater and water solenoid valve respectively with control
System processed is electrically connected with.
The purpose of the present invention can also be solved using following technical measures：
Used as more specifically a kind of scheme, the water inlet pipe is flexible pipe, and flow regulator is that Robert is pressed from both sides, and Robert is clipped in soft
Pipe is outer, to change the section that flexible pipe is attached thereto position, so as to change the water velocity in flexible pipe.The clamping dynamics of Robert's folder
Manually adjust, firing rate, water solenoid valve when speed heat heater dispatches from the factory according to fast heater are segmented in constant current
In required leaving water temperature and preheating water tank, water temperature adjusts Robert's folder to proper states so that water flows through water boiling vessels from going out
Faucet out when, water is heated to temperature required.
Or, the flow regulator is automatically controlled flow regulator, and which is electrically connected with control system.Automatically controlled Flow-rate adjustment
The aperture of device is controlled by control system.
Used as further scheme, the preheating water tank bottom is provided with discharge outlet, and discharge outlet is externally provided with service valve, water inlet pipe
Connected with the discharge outlet of preheating water tank by service valve.In maintenance, service valve can be closed, then can be by water inlet pipe and water inlet
Speed heat component dismounting to boil water after pipe.
Used as further scheme, the peak level limiting structure is automatic control valve for water level, automatic water level control
Valve processed is connected with filling pipe.Filling pipe one end can connect purifier, and the other end is by automatic control valve for water level and preheating
Water tank is connected.Automatic control valve for water level can be the valve bodies such as the ball-cock assembly without the need for Electronic control, it is of course also possible to be automatically controlled
Valve body.
Used as further scheme, the preheating apparatus are arranged on preheating water tank bottom, and preheating water tank's component is additionally provided with
Water level switch and the preheating temperature sensor for detecting water temperature in preheating water tank, water level switch be located at peak level below, and
On preheating apparatus, water level switch and preheating temperature sensor are electrically connected with control system respectively.By such
Position relationship arranges each component, can cause when water level is higher than preheating apparatus, and preheating apparatus are only possible to work, so as to
Prevent preheating apparatus dry combustion method.
Used as further scheme, the preheating water tank is by the suppression of food grade plastic and antibacterial material integrated injection molding
Bacterium preheating water tank.When being pure water into the water in preheating water tank, in conjunction with the bacteriostasis of antibacterial preheating water tank, Ke Yigeng
The probability for reducing bacteria breed inside preheating water tank of limits.
Used as further scheme, speed heat component to boil water is additionally provided with leaving water temperature sensors, leaving water temperature sensors
Be arranged on water boiling vessels, and near the position of outlet, so that leaving water temperature is closer to design temperature.
The water boiling vessels are vertically arranged on water boiling vessels inner bottom part in the long tubular being vertically arranged, fast heater,
Water inlet is arranged on water boiling vessels bottom, and outlet is arranged on water boiling vessels top and is located above fast heater.So that stream
The water energy of Jing water boiling vessels flows along the length direction of fast heater, improves the effect of heat exchange.
Depotition cock is connected with the water solenoid valve, the top of depotition cock is below peak level.Due to speed heat
Component to boil water is located at below preheating water tank's component, and is interconnected so that pour water inside water boiling vessels, preheating water tank's water level with
There is drop in depotition cock, so, after opening water solenoid valve, depotition cock will Auto-drainage.
A kind of constant current is segmented the heating means of speed heat heater, it is characterised in that：According to the heating speed of fast heater
In degree, leaving water temperature needed for depotition cock and preheating water tank, water temperature adjusts flow regulator to proper states so that current
Jing water boiling vessels from depotition cock out when, water is heated to temperature required.
When in storage tank, water level is less than peak level defined position, automatic control valve for water level is opened into preheating water tank
Heated water is introduced, until when water level reaches peak level defined position in storage tank, automatic control valve for water level is closed automatically
Stopping moisturizing being closed, water level is intake when reducing again, is so circulated.Certainly, in order to ensure depotition cock water outlet is constant, moisturizing speed
Need equal to or more than water intaking speed, to avoid depotition cock from cutting off the water supply.
When preheating water tank's water level reaches water level switch position, start preheating apparatus and start the water inside to preheating water tank
Heating, until preheating water tank's water temperature reaches in design temperature or preheating water tank pre-add hot charging when water level is less than water level switch position
Put stopping heating work.Here the water level switch position of reaching refers to water level to reaching water level switch is turned on state, water
Position refers to the state that water level as little as water level switch is disconnected in circuit less than water level switch position.
When boiled water need to be used, water order is taken away to control system input, fast heater starts, the water in water boiling vessels
Boiled rear control system and controlled water solenoid valve opening, boiled water stably flowed out from depotition cock, it is to boil water during produced by
Vapor is recovered to preheating water tank by exhaustor；Close when detecting non-water flow signal such as water flow sensor during water intaking
Close fast heater.
Preheating water tank's water temperature design temperature is 45 to 55 degrees Celsius, and preferably 50 degrees Celsius, Jing scientific experimentss are proved, water temperature is protected
Hold.
When boiled water is not used, fast heater discontinuous starts, and keeps in water boiling vessels water temperature within the specific limits.
Beneficial effects of the present invention are as follows：
（1）The preheating water tank of such constant current segmentation speed heat heater and the one high and one low setting of water boiling vessels, also, water outlet electromagnetism
The outlet height of valve is less than at the peak level of preheating water tank, i.e. outlet forms drop with the peak level of preheating water tank, utilizes
Water realizes constant flow velocity water intaking toward dirty mode；Water inlet pipe flow is adjusted in conjunction with flow regulator so that water
Flow through water boiling vessels from depotition cock out when, water be heated to it is temperature required, so as to realize the purpose of stable in outlet water temperature；
（2）The water boiling vessels of such constant current segmentation speed heat heater connect above the peak level using exhaustor with preheating water tank
Logical, during water boiling vessels are to boil water, its steam Jing exhaustor for producing is entered in preheating water tank, reaches steam zero-emission and remaining
The purpose of recuperation of heat, while so that the pressure balance of water boiling vessels and preheating water tank, flow speed stability when being conducive to draining；
（3）The antibacterial preheating water tank of such constant current segmentation speed heat heater adds the top antibacterial material of industry using food grade plastic
Storage tank made by configuration, the water after purification are stored in this water tank and will not grow any antibacterial in 72 hours.
Description of the drawings
Fig. 1 is one embodiment of the invention structural representation.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Shown in Figure 1, a kind of constant current is segmented speed heat heater, including preheating water tank's component, speed heat component to boil water and
Control system 9, preheating water tank's component are provided with preheating water tank 1, preheating apparatus 5 and peak level limiting structure, to boil water group of speed heat
Part is provided with water boiling vessels 10 and fast heater 11, and water boiling vessels 10 are provided with water inlet 20, outlet 13 and air vent 19, water outlet
Mouth 13 is connected with water solenoid valve 14, and air vent 19 is connected with preheating water tank 1 by exhaustor 17, and the water boiling vessels 10 are located at
Below preheating water tank 1, position 18 that exhaustor 17 is connected with preheating water tank 1 is located above peak level, and water boiling vessels 10 enter
The mouth of a river 20 is connected with preheating water tank 1 by water inlet pipe 21, and water inlet pipe 21 is provided with flow transducer 7 and flow regulator, flow
Sensor 7, preheating apparatus 5, fast heater 11 and water solenoid valve 14 are electrically connected with control system 9 respectively.
The water inlet pipe 21 is flexible pipe, and flow regulator is that Robert presss from both sides 8, and Robert's folder 8 is clipped in outside flexible pipe.
1 bottom of the preheating water tank is provided with discharge outlet 22, and discharge outlet 22 is externally provided with service valve 6, and water inlet pipe 21 is by maintenance
Valve 6 is connected with the discharge outlet 22 of preheating water tank 1.
The peak level limiting structure is automatic control valve for water level 2, and automatic control valve for water level 2 connected with filling pipe 3
Connect.Filling pipe 3 is connected with purifier.Automatic control valve for water level 2 can be ball-cock assembly.
The preheating apparatus 5 are arranged on 1 bottom of preheating water tank, and preheating water tank's component is additionally provided with water level switch 4 and is used for
Detection preheating water tank 1 in water temperature preheating temperature sensor 15, water level switch 4 be located at peak level below, and be located at preheat
On device 5, water level switch 4 and preheating temperature sensor 15 are electrically connected with control system 9 respectively.Water level switch 4 can be
Water level inductor or float switch.
The preheating water tank 1 is the antibacterial preheating water tank by food grade plastic and antibacterial material integrated injection molding.
Speed heat component to boil water is additionally provided with leaving water temperature sensors 12, and leaving water temperature sensors 12 are arranged on water boiling vessels
On 10, and near outlet 13 position.The water boiling vessels 10 are vertically set in the long tubular being vertically arranged, fast heater 11
Put on 10 inner bottom part of water boiling vessels, water inlet 20 is arranged on 10 bottom of water boiling vessels, outlet 13 is arranged on water boiling vessels 10
Top is simultaneously located above fast heater 11.Depotition cock 16, the top of depotition cock 16 are connected with the water solenoid valve 14
Portion is below peak level.
In figure, A arrows represent moisturizing/water inlet direction, and B arrows represent boiled water direction.
A kind of constant current is segmented the heating means of speed heat heater, firing rate according to fast heater 11, goes out the fire hose
In leaving water temperature needed for 16 and preheating water tank 1, water temperature adjusts flow regulator to proper states so that water flows through to boil water
Container from depotition cock 16 out when, water is heated to temperature required.Specifically, the water inlet pipe 21 be flexible pipe, Flow-rate adjustment
Device is Robert's folder 8, and Robert's folder 8 is clipped in outside flexible pipe, also, the clamping degree of Robert's folder 8 is adjusted in product export
It is good.
When in storage tank, water level is less than peak level defined position, automatic control valve for water level 2 is opened to preheating water tank 1
It is interior to introduce heated water, until when in storage tank, water level reaches peak level defined position, automatic control valve for water level 2 is automatic
Close and stop moisturizing, water level is intake when reducing again, is so circulated.
When 1 water level of preheating water tank reaches 4 position of water level switch, start preheating apparatus 5 and start to inside preheating water tank 1
Water heating, when 1 water temperature of preheating water tank reaches in design temperature or preheating water tank 1 water level is less than 4 position of water level switch
Preheating apparatus 5 stop heating work.
When boiled water need to be used, water order is taken away to the input of control system 9, fast heater 11 starts, water boiling vessels 10
Interior water is boiled rear control system 9 and controls water solenoid valve 14 to be opened, and boiled water is flowed out from depotition cock 16 is stable, process to boil water
In produced by vapor preheating water tank 1 is recovered to by exhaustor 17；As water flow sensor 7 detects nothing during water intaking
Fast heater 11 is closed during water-flow signal.Require it is that input is taken away in 5 seconds after water order in water boiling vessels in the present embodiment
Water reach design temperature.
1 water temperature design temperature of preheating water tank is 45 to 55 degrees Celsius（It is 50 degrees Celsius in the present embodiment）.
When boiled water is not used, 11 discontinuous of fast heater starts, and in holding water boiling vessels 10, water temperature is in certain limit
It is interior.In order to realize that being input into the water taken away after water order in 5 seconds in water boiling vessels reaches design temperature this purpose, is not taking away water
When, certain temperature should be kept in water boiling vessels, when water temperature as little as certain value in water boiling vessels, fast heater starts,
Until water temperature is recovered to the temperature value to be kept to stop heating in water boiling vessels, so circulate, to guarantee that user takes away water
When, boiled water can be supplied according to the mode of setting.
When in preheating water tank 1, water temperature arranges temperature less than 1 water temperature of preheating water tank, control system 9 sends prompting or controls
Boiled water electromagnetic valve processed can not be opened, it is to avoid user is obtained without the water boiled.
Claims (10)
1. a kind of constant current is segmented speed heat heater, including preheating water tank's component, speed heat component to boil water and control system（9）, in advance
Hot water tank component is provided with preheating water tank（1）, preheating apparatus（5）With peak level limiting structure, speed heat component to boil water is provided with and boils
Water container（10）With fast heater（11）, water boiling vessels（10）It is provided with water inlet（20）, outlet（13）And air vent（19）,
Outlet（13）It is connected with water solenoid valve（14）, air vent（19）By exhaustor（17）With preheating water tank（1）Connection, which is special
Levy and be：The water boiling vessels（10）Positioned at preheating water tank（1）Lower section, exhaustor（17）With preheating water tank（1）The position of connection
Above peak level, water boiling vessels（10）Water inlet（20）By water inlet pipe（21）With preheating water tank（1）Connection, water inlet
Pipe（21）It is provided with flow transducer（7）And flow regulator, flow transducer（7）, preheating apparatus（5）, fast heater
（11）And water solenoid valve（14）Respectively with control system（9）It is electrically connected with；The water solenoid valve（14）On be connected with water outlet
Tap（16）, depotition cock（16）Top below peak level.
2. constant current is segmented speed heat heater according to claim 1, it is characterised in that：The water inlet pipe（21）For flexible pipe,
Flow regulator is pressed from both sides for Robert（8）, Robert's folder（8）It is clipped in outside flexible pipe；Or, the flow regulator is adjusted for automatically controlled flow
Section device, itself and control system（9）It is electrically connected with.
3. constant current is segmented speed heat heater according to claim 1, it is characterised in that：The peak level limiting structure is
Automatic control valve for water level（2）, automatic control valve for water level（2）With filling pipe（3）Connection.
4. constant current is segmented speed heat heater according to claim 3, it is characterised in that：The preheating apparatus（5）Arrange
In preheating water tank（1）Bottom, preheating water tank's component are additionally provided with water level switch（4）With for detecting preheating water tank（1）Interior water temperature
Preheating temperature sensor（15）, water level switch（4）Below peak level, and be located at preheating apparatus（5）On, water level is opened
Close（4）With preheating temperature sensor（15）Respectively with control system（9）It is electrically connected with.
5. constant current is segmented speed heat heater according to claim 4, it is characterised in that：Speed heat component to boil water is additionally provided with
Leaving water temperature sensors（12）, leaving water temperature sensors（12）It is arranged on water boiling vessels（10）Above, and near outlet（13）'s
Position.
6. according to claim 4 or 5, constant current is segmented speed heat heater, it is characterised in that：The preheating water tank（1）Bottom
It is provided with discharge outlet（22）, discharge outlet（22）It is externally provided with service valve（6）, water inlet pipe（21）By service valve（6）With preheating water tank（1）
Discharge outlet（22）Connection；The water boiling vessels（10）In the long tubular being vertically arranged, fast heater（11）It is vertically arranged in
Water boiling vessels（10）On inner bottom part, water inlet（20）It is arranged on water boiling vessels（10）Bottom, outlet（13）It is arranged on appearance to boil water
Device（10）Top is simultaneously located at fast heater（11）Top.
7. constant current is segmented speed heat heater according to claim 1, it is characterised in that：The preheating water tank（1）It is by eating
The antibacterial preheating water tank of grade plastics and antibacterial material integrated injection molding（1）.
8. a kind of constant current according to claim 5 is segmented the heating means of speed heat heater, it is characterised in that：Added according to speed
Thermal（11）Firing rate, depotition cock（16）Required leaving water temperature and preheating water tank（1）Interior water temperature is by Flow-rate adjustment
Device is adjusted to proper states so that water flows through water boiling vessels from depotition cock（16）When out, water is heated to temperature required；
When in storage tank, water level is less than peak level defined position, automatic control valve for water level（2）Open to preheating water tank（1）
It is interior to introduce heated water, until when in storage tank, water level reaches peak level defined position, automatic control valve for water level（2）From
Dynamic closing stops moisturizing, and water level is intake when reducing again, is so circulated；
Work as preheating water tank（1）Water level reaches water level switch（4）During position, start preheating apparatus（5）Start to preheating water tank（1）
The water heating of the inside, until preheating water tank（1）Water temperature reaches design temperature or preheating water tank（1）Interior water level is less than water level switch
（4）Preheating apparatus during position（5）Stop heating work；
When boiled water need to be used, to control system（9）Input takes away water order, fast heater（11）Start, water boiling vessels
（10）Interior water is boiled rear control system（9）Control water solenoid valve（14）Open, boiled water is from depotition cock（16）Stationary flow
Go out, it is to boil water during produced by vapor pass through exhaustor（17）It is recovered to preheating water tank（1）；Such as discharge during water intaking
Sensor（7）Fast heater is closed when detecting non-water flow signal（11）.
9. constant current is segmented the heating means of speed heat heater according to claim 8, it is characterised in that：Preheating water tank（1）
Water temperature design temperature is 45 to 55 degrees Celsius.
10. constant current is segmented the heating means of speed heat heater according to claim 8 or claim 9, it is characterised in that：When not using
During boiled water, fast heater（11）Discontinuous starts, and keeps water boiling vessels（10）Interior water temperature is within the specific limits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611184447.4A CN106524489A (en) | 2016-12-20 | 2016-12-20 | Constant flow segmented quick heating device and heating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611184447.4A CN106524489A (en) | 2016-12-20 | 2016-12-20 | Constant flow segmented quick heating device and heating method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN106524489A true CN106524489A (en) | 2017-03-22 |
Family
ID=58339814
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611184447.4A Pending CN106524489A (en) | 2016-12-20 | 2016-12-20 | Constant flow segmented quick heating device and heating method thereof |
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| Country | Link |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107625425A (en) * | 2017-10-31 | 2018-01-26 | 广东碧丽饮水设备有限公司 | Constant temperature warm water mother and baby's machine |
| CN107687631A (en) * | 2017-08-07 | 2018-02-13 | 四川红山红科技有限公司 | A kind of Water Level Regulating System and method |
| CN110285570A (en) * | 2019-05-23 | 2019-09-27 | 南充市高坪区百斗福粮油有限公司 | A kind of supply equipment of energy-saving independent leveled heating |
| CN111174441A (en) * | 2020-01-08 | 2020-05-19 | 广东维宁科技有限公司 | Method and system for controlling heating time of starting appointment and water heater |
| CN111380205A (en) * | 2019-12-31 | 2020-07-07 | 横店集团东磁股份有限公司 | Pipeline machine and heating method thereof |
| CN113028653A (en) * | 2021-04-16 | 2021-06-25 | 佛山市汉尔普电气科技有限公司 | Small power large flow instant electric water boiler |
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| CN111380205A (en) * | 2019-12-31 | 2020-07-07 | 横店集团东磁股份有限公司 | Pipeline machine and heating method thereof |
| CN111174441A (en) * | 2020-01-08 | 2020-05-19 | 广东维宁科技有限公司 | Method and system for controlling heating time of starting appointment and water heater |
| CN113028653A (en) * | 2021-04-16 | 2021-06-25 | 佛山市汉尔普电气科技有限公司 | Small power large flow instant electric water boiler |
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Application publication date: 20170322 |