CN110173892A - Using the heated by electrodes heating installation of ceramic boxes - Google Patents
Using the heated by electrodes heating installation of ceramic boxes Download PDFInfo
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- CN110173892A CN110173892A CN201910374437.4A CN201910374437A CN110173892A CN 110173892 A CN110173892 A CN 110173892A CN 201910374437 A CN201910374437 A CN 201910374437A CN 110173892 A CN110173892 A CN 110173892A
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- water
- ceramic
- ceramic boxes
- heated
- boxes
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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
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/0208—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using electrical energy supply
- F24H7/0233—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using electrical energy supply the transfer fluid being water
-
- 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
-
- 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
- F24H9/2028—Continuous-flow heaters
-
- 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
- F24H2250/10—Electrodes
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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)
- Resistance Heating (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The present invention relates to a kind of heated by electrodes heating installations using ceramic boxes, have a ceramic boxes, an integrated cover board, and ceramic boxes inside is equipped with electrolyte solution；Water collector, pressure gauge, water filling port, relief valve, vacuum valve, water segregator, spiral heat exchange tube and compound electrode, the outlet of each spiral heat exchange tube and water collector welding, each spiral heat exchange tube entrance and water segregator welding are arranged on integrated cover board；Water collector is connected to outlet pipe, arranges that temp probe, water segregator connect water inlet pipe, arrange water flow switch on water inlet pipe on outlet pipe；Compound electrode connects alternating current by main relay, earth leakage protective device; compound electrode plate in earth leakage protective device, main relay arrival ceramic boxes is passed through by alternating current; electric current is set directly to realize being quickly converted for electric energy and thermal energy to the electrolyte heating in ceramic boxes; become steam after electrolyte is heated; steam heat is passed to by water segregator into water through spiral heat exchange tube condensation heat transfer, steam condensation at dropping back into electrolyte under water.
Description
Technical field
The present invention relates to a heated by electrodes heating installations, and in particular to a kind of a kind of heated by electrodes confession using ceramic boxes
Heater device.
Background technique
The heat that traditional heating system depends on coal-burning boiler to generate, and the exhaust gas of coal-burning boiler discharge is pollution air
And form the principal element of haze weather.To reduce winter pollution that caused by coal burning, improving air quality, cleaning heating has become China
One important policies of energy-saving and emission-reduction cause.As a kind of mode of cleaning heating, heated by electrodes utilizes electrolyte solution
Resistance characteristic, directly converts electrical energy into a kind of device of thermal energy, and heated by electrodes has miniaturization, and high-efficient, the service life is long, with
It can the free of contamination advantage in end.In addition in recent years, the installed capacity of wind-powered electricity generation, water power, photoelectricity and nuclear power constantly expands, China Power city
Capacity more rich and traditional thermal power plant's pollutant emission control in field is also done well.Thus, it will be abandoned using heated by electrodes
Wind-powered electricity generation, abandoning photoelectric conversion are thermal energy, can effectively substitute coal burning boiler to urban architecture heat and heat water supplying.
The electrode heating technology of comparative maturity is mainly the electrode boiler of industrial circle at present, and electrode boiler is widely used in
Thermal Power Enterprises starting trouble, wind-powered electricity generation and photoelectricity enterprise peaking boiler, and mentioned for enterprises such as papermaking, chemical industry, automobile, shipbuilding, food
For the high-quality steam and high-temperature-hot-water of production.Electrode boiler generally requires to accomplish very big power, thus its design voltage
It is all mesohigh range.However, being difficult the use condition for having mesohigh for civil buildings, if using electrode boiler
Central heating is carried out, needs to be equipped with special boiler room, also needs to be equipped with huge heat supply pipeline, cannot thus play electric energy appearance
The characteristics of easily transmitting.The electrode heating apparatus that research and utilization low tension carries out civil buildings heating has important application prospect.
Heated by electrodes proposes strict requirements to material therefor, needs to meet following performance especially for the container of heated by electrodes:
Good insulating, heat-resisting quantity is strong, does not absorb water, and intensity is high, facilitates the arrangement and integral sealing of electrode.
In view of the above problems, a kind of heated by electrodes heating installation using ceramic boxes, heated by electrodes heating dress are needed
The ceramic boxes set are processed using 95% aluminium oxide ceramics, have preferable insulation performance and thermal stability and mechanical strength
Height, the key technical indexes include electrical property: volume resistivity >=1 × 1013Ω cm (100 DEG C), dc breakdown intensity >=18KW/
Mm, dielectric constant 9-10, dielectric loss angle tangent 4 × 10-4；Hot property: average linear expansion coefficient by standard GB/T/
T5593-1999 is defined as 6.5 × 10-6~7.5 × 10-6/ DEG C, thermal shock resistance is good；Mechanical performance: tensile strength 160Mpa
More than, flexural strength 280Mpa.Ceramic boxes, which are sealed to combine with integrated cover board, need to meet air-tightness requirement (leak rate is small
In 1 × 10-11Pam3/ s), it forms effective insulation system and can satisfy the intensity of each working condition of electrode heating apparatus
It needs.
Summary of the invention
The present invention is to provide for a kind of heated by electrodes heating installation using ceramic boxes, using ceramic material as electrode
The cabinet of heating device has preferable insulation performance and thermal stability and high mechanical strength, so that electric-heating water process
It can ensure that the safety of device with external insulation；By the way that the skirt with through-hole is arranged in ceramic boxes oral area, silica gel is added
It can be realized extraordinary sealed connection with integrated cover board after pad, improve reliability when device operation.Pass through integration
Integrated deck design, on the cover board by electrode, heat exchanger tube, water collecting and diversifying device, relief valve, vacuum valve, pressure gauge arrangement, so that device
It is easily worked, facilitates maintenance, to postpone service life.It is equipped with corresponding protection circuit, lower water temperature circuit and water flow sense
The equipment such as circuit are answered, the small-sized electrical heating heating system that compact-sized, energy utilization efficiency is high, quick, safe is created as.
To achieve the above object, the technical scheme is that a kind of heated by electrodes heating installation using ceramic boxes,
With a ceramic boxes, an integrated cover board, the bottom center of the ceramic boxes is equipped with discharge outlet, discharge outlet connection row
Water pipe has drain valve on drainpipe, electrolyte solution is housed inside the ceramic boxes；It arranges and catchments on the integrated cover board
Device, pressure gauge, water filling port, relief valve, vacuum valve, water segregator, spiral heat exchange tube and compound electrode, each spiral heat exchange tube go out
Mouth and water collector are welded, and the entrance and water segregator of each spiral heat exchange tube are welded；Water collector is connected to outlet pipe, water outlet
Arrange that temperature sensor, water segregator connect water inlet pipe, arrange water flow sensing unit on water inlet pipe on pipe；The compound electrode passes through master
Relay, earth leakage protective device connect alternating current, are reached in ceramic boxes by alternating current by earth leakage protective device, main relay
Compound electrode plate, so that electric current is directly realized being quickly converted for electric energy and thermal energy to the electrolyte heating in ceramic boxes, be electrolysed
Become steam after liquid is heated, passes to steam heat into water, steam condensation by water segregator through spiral heat exchange tube condensation heat transfer
At dropping back into electrolyte under water.
Further, the compound electrode top has conductive lever, and conductive lever is pierced by from ceramic nut, ceramic nut rotation
The nut being screwed on integrated cover board.
Further, the ceramic boxes include ceramics side's bucket, skirt and reinforcing rib, and reinforcing rib is arranged in ceramics side's bucket and skirt
Multiple through-holes are all arranged on every skirt, to connect with integrated cover plate for sealing in side junction.
Further, the through-hole being sequentially arranged on the integrated cover board as position on ceramic boxes skirt integrates lid
Plate is fixedly connected after adding silica gel backing plate with ceramic boxes by screw tightening.
Further, the integrated cover board material is stainless steel.
Further, the pressure gauge, water filling port, relief valve and vacuum valve and cover board are connected through a screw thread.
Further, power regulating eqiupment is also connected between the compound electrode and main relay, power regulating eqiupment connects control circuit, control
Circuit control signal output end processed connects main relay, and the connection of defeated input terminal is arranged in the water inlet of each spiral heat exchange tube and goes out
The water flow sensing unit and temperature sensor at mouth of a river end.
The present invention has the advantages that compared with common internal heater
1. heating element is few, water is directly heated by electrode.Compared to heat pipe-type heater, heating element is prevented and has burnt
Most common failure, long service life；
2. the water in electrolyte solution is become steam using low-voltage AC, then pass through phase transformation in heater body
The heat transfer of steam to the recirculated water in heat exchanger, and is realized electric energy and is converted to thermal energy to reach heating by the mode of heat exchange
Purpose.
3. the cabinet using alumina ceramic material as electrode heating apparatus has preferable insulation performance and thermostabilization
Performance and high mechanical strength, enable electric-heating water process and external insulation, ensure that the safety of device.
4. using condensation phase change heat exchange mode, so that heat transfer efficiency greatly improves, energy-saving effect is significant；
5. improving the measure of heating speed, the boiling temperature of the electrolyte under vacuum state is reduced, and reduces boiling time,
It is able to achieve the quick heating of heating device；
6. adjusting (control) temperature convenient, heating amount, the step-less adjustment of leaving water temperature may be implemented；
7. the safety is improved, the setting of electric isolution itself and safety circuit can guarantee maximum safety.
Detailed description of the invention
Fig. 1 is the heated by electrodes heating installation system diagram of the invention using ceramic boxes；
Fig. 2 is the heated by electrodes heating installation structural schematic diagram of the invention using ceramic boxes；
Fig. 3 is the heater body floor plan of the heated by electrodes heating installation of the invention using ceramic boxes.；
In figure: the ceramics side 1- bucket；The skirt 2-；3- reinforcing rib；4- drainpipe；5- drain valve；6- electrolyte solution；7- is integrated
Cover board；8- water collector；9- pressure gauge；10- water filling port；11- relief valve；12- vacuum valve；13- water segregator；14- spiral heat exchange tube；
15- compound electrode；16- outlet pipe；17- temp probe；18- water inlet pipe；19- water flow switch；20- compound electrode；21- conduction spiral shell
Bar；22- ceramic nut；23- silica gel backing plate.
Specific embodiment
The invention will be further described with embodiment with reference to the accompanying drawing.
As shown in Figure 1 to Figure 3, the heated by electrodes heating installation of the invention using ceramic boxes, including two large divisions, one
It is ceramic boxes, second is that integrated cover board.Ceramic boxes include ceramics side's bucket 1, skirt 2 and reinforcing rib 3, and reinforcing rib is arranged in ceramics
Square bucket and skirt junction all arrange a certain number of through-hole on every skirt, to be connect with integrated cover plate for sealing,
The bottom center of ceramics side's bucket is equipped with discharge outlet, and discharge outlet connects drainpipe 4, there is drain valve 5 on drainpipe, in ceramic boxes
Portion is equipped with the certain density electrolyte solution 6 of a constant volume.Water collector 8, pressure gauge 9, water filling port are arranged on integrated cover board 7
10, relief valve 11, vacuum valve 12, water segregator 13, spiral heat exchange tube 14 and compound electrode 15, integrated cover board material are stainless steel
Production, the outlet of each spiral heat exchange tube and water collector are welded, and the entrance and water segregator of each spiral heat exchange tube are welded.Collection
Hydrophone is connected to outlet pipe 16, arranges that temp probe 17, water segregator are connected to water inlet pipe 18, arrange water on water inlet pipe on outlet pipe
Flow switch 19.Pressure gauge, water filling port, relief valve and vacuum valve and cover board are connected through a screw thread.20 top of compound electrode has and leads
Electric screw rod 21, conductive lever are pierced by from ceramic nut 22, and ceramic nut is screwed in the nut on integrated cover board.On integrated cover board according to
The secondary through-hole arranged as position on ceramic boxes skirt, integrated cover board pass through after adding silica gel backing plate 23 with ceramic boxes
Screw tightening.
As shown in Fig. 2, compound electrode 15 connects alternating current by main relay, earth leakage protective device, passed through by alternating current
Earth leakage protective device, main relay reach the compound electrode plate in ceramic boxes, make electric current directly to the electrolysis in ceramic boxes
Liquid heating, which is realized, becomes steam after being quickly converted for electric energy and thermal energy, electrolyte are heated, will through 14 condensation heat transfer of spiral heat exchange tube
Steam heat is passed to by water segregator into water, and steam condensation at dropping back into electrolyte under water.Compound electrode 20 and main relay
Between be also connected with power regulating eqiupment, power regulating eqiupment connects control circuit, and control circuit control signal output connects main relay, signal
The water flow sensing unit and temperature sensor at the inlet and outlet end of each spiral heat exchange tube is arranged in input terminal connection.
Alternating current reaches the electrode plate of main calandria by earth leakage protective device, main relay, due to the conduction of electrolyte
Property, main line processing closed state, electric current, which directly heats electrolyte, realizes that electric energy and thermal energy are quickly converted, and electrolyte is heated
After become steam；Using condensation heat transfer mode by the heat transfer of steam to water inlet, steam condensation at dropping back into electrolyte under water；
The equipment such as corresponding protection circuit, lower water temperature circuit and water flow sensor circuit are equipped with, compact-sized, energy utilization is created as
High-efficient, quick, safe small-sized electrical heating heating system.
Cabinet using ceramic material as electrode heating apparatus, enables electric-heating water process and external insulation, protects
The safety of device is demonstrate,proved.By the way that the skirt with through-hole is arranged in ceramic boxes oral area, add after silicagel pad with integrated cover board
It can be realized extraordinary sealed connection, improve reliability when device operation.In order to guarantee the sealing performance of device, need to protect
The flatness of skirt is demonstrate,proved, thus reinforcing rib is set in ceramic boxes oral area and skirt junction, can effectively weaken ceramic case
The deformation of body process.By integrated deck design, by electrode, heat exchanger tube, water collecting and diversifying device, relief valve, vacuum valve,
Pressure gauge is arranged on the cover board, so that device is easily worked, facilitates maintenance, to postpone service life.
The present invention can access 220V illumination alternating current or 380V power electric, in embodiments, by the combination made electricity
Pole screws in ceramic nut, then ceramic nut is screwed in two electrode holes on cover board.A constant volume is injected in ceramic boxes
Cabinet, is then sealed by screw by the certain density electrolyte solution of product.Recirculated water from hot water circulating pump passes through
Water inlet pipe enters water segregator, passes through and enters water collector after each spiral heat exchange tube, flows out of the water outlet pipe to hot cell, water flow is opened
After pass detects that there is water flowing in water route, two lateral electrodes are powered on.After electric current flows through electrolyte solution, due to the resistance of solution
Characteristic directly heats solution.The heated boiling of water in solution, generates steam, steam reaches ceramic boxes top and spiral shell
Recirculated water in rotation heat exchanger tube condenses into water after being exchanged heat and is returned to ceramic boxes lower part.With steam generation amount increasingly
More, the intracorporal pressure of case becomes larger therewith, carries out pressure release after the setting pressure for reaching relief valve, incoagulable gas can be arranged
Out, enhance heat transfer effect.The recirculated water for absorbing heat is flowed out to after water collector with hot end, in the temperature sensing of water outlet setting
Temperature controller is fed back to after device detection leaving water temperature, temperature controller transmits voltage signal to power regulating eqiupment, and voltage is adjusted in power regulating eqiupment,
When outlet temperature reaches set temperature, voltage is reduced to reduce heating power, system heating amount is insufficient at this time, so that case
Body internal temperature reduces, and steam condensation amount, which is greater than evaporation capacity, leads to pressure reduction in cabinet, when pressure reduction is to when setting pressure
Vacuum valve is opened.
It the composite can be widely applied to various heating occasions, active response country coal changes policy and changes electric area realization clearly in coal
Clean, efficient, energy-efficient heating system；In the available good application in some electric power resources area abundant, by with accumulation of energy
Technology, which combines, has the function that peak load shifting, stablizes network system；Suitable for various civilian and industrial use, user can be free
Heating time is controlled, is equipped with the unit for being suitble to power according to demand.
Claims (7)
1. a kind of heated by electrodes heating installation using ceramic boxes has a ceramic boxes, an integrated cover board, feature
Be: the bottom center of the ceramic boxes is equipped with discharge outlet, and discharge outlet connects drainpipe, has drain valve on drainpipe, institute
It states inside ceramic boxes equipped with electrolyte solution；Arrange water collector on the integrated cover board, pressure gauge, water filling port, relief valve,
Vacuum valve, water segregator, the outlet of spiral heat exchange tube and each spiral heat exchange tube of compound electrode and water collector are welded, each spiral
The entrance and water segregator of heat exchanger tube are welded；Water collector is connected to outlet pipe, and temperature sensor, water segregator are arranged on outlet pipe
Water inlet pipe is connected, arranges water flow sensing unit on water inlet pipe；The compound electrode is handed over by main relay, earth leakage protective device connection
Galvanic electricity reaches the compound electrode plate in ceramic boxes by earth leakage protective device, main relay by alternating current, keeps electric current directly right
Electrolyte heating in ceramic boxes, which is realized, becomes steam after being quickly converted for electric energy and thermal energy, electrolyte are heated, changes through spiral
Heat pipe condensation heat transfer passes to steam heat into water by water segregator, and steam condensation at dropping back into electrolyte under water.
2. the heated by electrodes heating installation according to claim 1 using ceramic boxes, it is characterised in that: the combination electricity
Pole top has conductive lever, and conductive lever is pierced by from ceramic nut, and ceramic nut is screwed in the nut on integrated cover board.
3. the heated by electrodes heating installation according to claim 1 using ceramic boxes, it is characterised in that: the ceramics case
Body includes ceramics side's bucket, skirt and reinforcing rib, and reinforcing rib setting is all arranged on ceramics side's bucket and skirt junction, every skirt
Multiple through-holes, to be connect with integrated cover plate for sealing.
4. the heated by electrodes heating installation according to claim 3 using ceramic boxes, it is characterised in that: the integrated lid
After the through-hole being sequentially arranged as position on ceramic boxes skirt on plate, integrated cover board and ceramic boxes add silica gel backing plate
It is fixedly connected by screw tightening.
5. the heated by electrodes heating installation according to claim 1 using ceramic boxes, it is characterised in that: the integrated lid
Plate matter is stainless steel.
6. the heated by electrodes heating installation according to claim 1 using ceramic boxes, it is characterised in that: the pressure
Table, water filling port, relief valve and vacuum valve and cover board are connected through a screw thread.
7. the heated by electrodes heating installation according to claim 1 using ceramic boxes, it is characterised in that: the combination electricity
Power regulating eqiupment is also connected between pole and main relay, power regulating eqiupment connects control circuit, the connection of control circuit control signal output
The water flow sensing unit and temperature at the inlet and outlet end of each spiral heat exchange tube is arranged in main relay, signal input part connection
Sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910374437.4A CN110173892B (en) | 2019-05-07 | 2019-05-07 | Electrode heating device adopting ceramic box body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910374437.4A CN110173892B (en) | 2019-05-07 | 2019-05-07 | Electrode heating device adopting ceramic box body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110173892A true CN110173892A (en) | 2019-08-27 |
| CN110173892B CN110173892B (en) | 2021-04-30 |
Family
ID=67691286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910374437.4A Active CN110173892B (en) | 2019-05-07 | 2019-05-07 | Electrode heating device adopting ceramic box body |
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| Country | Link |
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Citations (7)
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| JP2007278841A (en) * | 2006-04-06 | 2007-10-25 | Nippon Telegr & Teleph Corp <Ntt> | System for detecting amount of stored heat |
| CN102143620A (en) * | 2010-10-22 | 2011-08-03 | 江林 | Method for improving electrothermal efficiency of electrothermal medium in electrode type electric water heater |
| JP2011202894A (en) * | 2010-03-26 | 2011-10-13 | Kenji Umetsu | Heat exchange method |
| CN202532712U (en) * | 2012-03-22 | 2012-11-14 | 浙江中广电器有限公司 | Fast dismounting type air energy water heater water tank with internally installed coil pipe |
| CN203719100U (en) * | 2014-01-14 | 2014-07-16 | 范志立 | Instant heating type heater |
| CN106439988A (en) * | 2016-11-09 | 2017-02-22 | 北京瑞特爱能源科技股份有限公司 | Building-integrated electrode heating and heat storage device |
| CN206449622U (en) * | 2016-12-28 | 2017-08-29 | 杭州华源前线能源设备有限公司 | Electric pole type hot-water boiler circulation process system |
-
2019
- 2019-05-07 CN CN201910374437.4A patent/CN110173892B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007278841A (en) * | 2006-04-06 | 2007-10-25 | Nippon Telegr & Teleph Corp <Ntt> | System for detecting amount of stored heat |
| JP2011202894A (en) * | 2010-03-26 | 2011-10-13 | Kenji Umetsu | Heat exchange method |
| CN102143620A (en) * | 2010-10-22 | 2011-08-03 | 江林 | Method for improving electrothermal efficiency of electrothermal medium in electrode type electric water heater |
| CN202532712U (en) * | 2012-03-22 | 2012-11-14 | 浙江中广电器有限公司 | Fast dismounting type air energy water heater water tank with internally installed coil pipe |
| CN203719100U (en) * | 2014-01-14 | 2014-07-16 | 范志立 | Instant heating type heater |
| CN106439988A (en) * | 2016-11-09 | 2017-02-22 | 北京瑞特爱能源科技股份有限公司 | Building-integrated electrode heating and heat storage device |
| CN206449622U (en) * | 2016-12-28 | 2017-08-29 | 杭州华源前线能源设备有限公司 | Electric pole type hot-water boiler circulation process system |
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|---|---|
| CN110173892B (en) | 2021-04-30 |
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