CN206919401U - Multi-state heat accumulating type electric boiler - Google Patents
Multi-state heat accumulating type electric boiler Download PDFInfo
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- CN206919401U CN206919401U CN201720724122.4U CN201720724122U CN206919401U CN 206919401 U CN206919401 U CN 206919401U CN 201720724122 U CN201720724122 U CN 201720724122U CN 206919401 U CN206919401 U CN 206919401U
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- heat
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- accumulating type
- electric boiler
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
It the utility model is related to a kind of multi-state heat accumulating type electric boiler, it is characterised in that：Including electric heater, water circulating pump and circulation line, heat-storing sphere, supporting plate, water distributing tray, snakelike heat exchange coil, building enclosure.The multi-state thermal storage electric boiler of this patent, thermal source and heat storage medium are integrated into a product, it is compact-sized, meet heating function, and can meets heat accumulation function.Heat-storing material is encapsulated using spherical structure, heat exchange area is big, strengthens accumulation of heat and the heat exchange of exothermic process, and it is compact that heat-storing sphere is deposited in boiler inner structure, has gap again between each other, is easy to water vapour and water fluid interchange.
Description
Technical field
This patent belongs to accumulation of heat field and electric boiler field, the heat accumulating type electric boiler of more particularly to a kind of multi-state.
Background technology
Winter northern area haze is serious, to improve environment, while also to meet the heating demand of the people, and State Council proposes
Coal changes the policy of electricity.Environment below -25 DEG C, air source heat pump effect is poor, and leaving water temperature is low, it is difficult to meets heating and life
Hot water demand living.With the raising required urban environmental protection, increasing with the coal-fired heating method of electric energy replacement, this is to electric power
Supply add pressure, or even cause electricity shortage, and night electricity supply is relatively rich, i.e. trough-electricity, it is low using night
Paddy electricity heats, and is most economical and environmentally friendly heating method.Electric heat storage boiler is protected from weather influences as thermal source, stable,
Basic, normal, high warm water can be made, and meet different demands.
In terms of the prior art of heat storage electric boiler, there is a kind of hot water heat storage electric boiler in the market in recent years,
It is to add a water tank on the basis of original electricity heating, stores electric heating by heat-storage medium of water, cost is relatively low, but exists a lot
The thermal capacitance of shortcoming, mainly water is relatively low, and boiling point is relatively low, and accumulation of energy is limited under atmospheric pressure state, to reach equal heating effect, and it stores
Hot volume will greatly increase, not only investment increase, and need very big installation space, and soil and civil engineering cost are also significantly
Increase.Commercially occur replacing water as the technology of accumulation of energy medium by the use of accumulation of energy brick in recent years, but with the utility model not
Together, all it is to directly heat the heat transfer mediums such as water or air using accumulation of energy brick, equally exists problem above and defect, with the needs of water
Big water tank, floor space is very big, and investment is very high, and what it is with air is directly logical hot blast, and process is difficult to control, can not solve to do
The problems such as dry and utilization hot water.
The content of the invention
The purpose of this utility model is：It is compact-sized to provide one kind, heating and heat accumulation function, can be transported under different operating modes
Capable heat accumulating type electric boiler, and propose a kind of method for detecting incoagulable gas in electric boiler.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of multi-state heat accumulating type electric boiler, it is characterised in that：Including electric heater, water circulating pump and circulation line, storage
Hot-bulb, supporting plate, water distributing tray, snakelike heat exchange coil, building enclosure.
Preferably, electric heater, supporting plate, water distributing tray are sequentially provided with inside the building enclosure from the bottom up and snakelike is changed
Hot coil, heat-storing sphere is placed with supporting plate；The snakelike heat exchange coil connection interface of hot water；Building enclosure bottom passes through circulation
Water circulating pump outside pipeline connection, circulation line outlet are provided with multiple water jets above water distributing tray.
Preferably, liquid level gauge, temperature sensor, pressure sensor, safety valve are additionally provided with the building enclosure.
Preferably, enclosing is provided with the supporting plate around heat-storing sphere；Enclosing is provided with water distributing tray.Preferably, the cloth
Water steam hole is provided with the middle part of water pond, water steam hole both sides are provided with some water distributing pores.Preferably, set in the supporting plate
There are some steam-water channels.
This patent additionally provides the detection method of the incoagulable gas of the heat accumulating type electric boiler of described multi-state, passes through temperature
Sensor measure pot in-furnace temperature is spent, the pressure value of saturated steam corresponding to temperature value measures with pressure sensor in boiler
Pressure value compares, and judges whether there is incoagulable gas in boiler according to comparative result：If water corresponding to the numerical value of temperature sensor
The saturation pressure of steam is less than the numerical value of pressure sensor, illustrates incoagulable gas in steam generator system be present, and the two difference is bigger,
Incoagulable gas accounting is heavier.
Compared with prior art, the technique effect that the utility model possesses is：
1) the multi-state thermal storage electric boiler of this patent, thermal source and heat storage medium are integrated into a product, it is compact-sized,
Meet heating function, and can meets heat accumulation function.Using vapor as medium in accumulation of heat and exothermic process, evaporate and condensed
Cheng Junwei phase-change heat-exchange processes, it is bigger than the water water heat transfer process coefficient of heat transfer, save the heat exchange area of snakelike heat exchange coil.Using following
The mode of ring pump and water distributing tray realizes the circulation of aqueous medium in exothermic process, greatly reduces the adding amount of boiler reclaimed water, mitigates
Weight of equipment.
2) using spherical structure encapsulation heat-storing material, heat exchange area is big, strengthens accumulation of heat and the heat exchange of exothermic process, heat-storing sphere
It is compact to be deposited in boiler inner structure, has gap again between each other, is easy to water vapour and water fluid interchange.Allow to press in building enclosure
In the range of power, realize that the operating condition of boiler is set by pressure setting, control method is simple and practical, securely and reliably.According to
The needs of leaving water temperature, boiler can be run under different operating modes.
3) monitored using temperature and pressure, the incoagulable gas in detection system, method is easy to be reliable.Boiler is taken into full account
It is safe for operation, equipped with safety valve, pressure sensor, temperature sensor, liquid level gauge, monitor boiler operatiopn state in real time, it is related
Numerical value deviates safe range alarm and shut down.
Brief description of the drawings
The utility model is described further below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of heat accumulating type electric boiler of the present utility model；
Fig. 2 is the structural representation of water distributing tray of the present utility model；
Fig. 3 is the structural representation of supporting plate of the present utility model；
In figure, 1- electric heaters, 2- water circulating pumps, 3- circulation lines, 4- heat-storing spheres, 5- supporting plates, 6- water distributing trays, 7-
Snakelike heat exchange coil, 8- building enclosures, 9- enclosings, 10- water jets, 11- liquid level gauges, 12- temperature sensors, 13- pressure sensings
Device, 14- safety valves, 15- water steams hole, 16- water distributing pores, 17 steam-water channels, 18- interface of hot water.
Embodiment
Below, the utility model is further elaborated on by embodiment and accompanying drawing.But these embodiments are not to this
The limitation of utility model protection scope, it is all in the range of technical solutions of the utility model basic ideas or to be essentially equivalent to this
The change of utility model technical scheme is the scope of protection of the utility model.
As shown in figure 1, the multi-state heat accumulating type electric boiler of the utility model embodiment, by electric heater 1, water circulating pump 2
And circulation line 3, heat-storing sphere 4, supporting plate 5, water distributing tray 6, snakelike heat exchange coil 7, building enclosure 8, liquid level gauge 11, TEMP
Device 12, pressure sensor 13, safety valve 14 and associated ping composition.
Electric heater 1, supporting plate 5, water distributing tray 6 and snakelike heat exchange are sequentially provided with inside the building enclosure 8 from the bottom up
Coil pipe 7, heat-storing sphere 4 is placed with supporting plate 5；The snakelike heat exchange coil 7 connects interface of hot water 18；The bottom of building enclosure 8 leads to
The water circulating pump 2 that circulation line 3 connects outside is crossed, circulation line 3 exports is provided with multiple water jets 10 above water distributing tray 6.It is excellent
Choosing, enclosing 9 is provided with the supporting plate 5 around heat-storing sphere 4；Enclosing 9 is provided with water distributing tray 6.
Before operation, thermal storage electric boiler is vacuumized, absolute pressure is extracted into and is less than or equal to 150pa, degassing is added into boiler
Softened water, water level to supporting plate 5.Water is the circulatory mediator in boiler.
Electric heater 1 is the thermal source of whole thermal storage electric boiler system.Encapsulation phase change heat storage material in heat-storing sphere 4, it is such as organic
Polymeric phase change material, fused salt etc., according to the needs of temperature spot, suitable phase-change material is selected, if desired for by the heat of storage
Release, there is provided 60 DEG C of hot water, material of the transformation temperature at 65 DEG C or so may be selected.The transformation temperature of phase-change material must be than needing to carry
The hot water temperature of confession is high.Snakelike heat exchange coil 7, heated outside pipe with electric heater 1 or the heat release of heat-storing sphere 4 caused by steam with
Coil heat exchange, the hot water in heating coil, provides the user hot water.Interface of hot water 18 connects the pipe-line system of user side.In accumulation of heat
During 4 heat release of ball, boiler bottom hot water is sent to the water distributing tray 6 on top by water circulating pump 2.
Water distributing tray is as shown in Fig. 2 the middle part of the water distributing tray 6 is provided with water steam hole 15, the both sides of water steam hole 15
Provided with some water distributing pores 16.As shown in Fig. 2 two water steam holes 15 are hollow, size is consistent, water steam
Hole 15 is the passage of the vapor flowed up.In heat release, through the circulation water section that water distributing pore 16 falls with storing in water distributing tray 6
The contact heating vaporization of hot-bulb 4, the heat release of heat-storing sphere 4, produces steam, caused vapor is by water steam hole (15) to upstream
It is dynamic, exchanged heat with the snakelike heat exchange coil 7 at top.Water distributing tray 6 plays a part of uniformly dividing water, ensures that all heat-storing spheres 4 can be fully
It is wet, it is sufficiently exothermic.
Supporting plate 5 is to place the platform of heat-storing sphere 4, as shown in figure 3, the supporting plate 5 is provided with some steam-water channels 17,
Steam-water channel 17 is that vapor and hot water flow through passage, and bottom heat-storing sphere 4 is placed on the both sides of steam-water channel 17, electric heater 1
Steam caused by heating can pass through steam-water channel 17 and enter accumulation of heat region and heat release region, exchange heat and produce through snakelike heat exchange coil 7
Raw condensed water and the hot water not evaporated is fallen from water distributing tray 6 flow back to boiler bottom through steam-water channel 17.Safety valve 14 is in pot
Furnace pressure power plays a protective role when exceeding safety value.Liquid level gauge 11 monitors the water level of boiler, prevents because water shortage causes the accident.Temperature
Sensor 12 and pressure sensor 13 monitor the temperature and pressure in boiler.Building enclosure 8 plays thermal insulation, every the effect of pressure.
The above-mentioned introduction composition of heat accumulating type electric boiler, the function of each component.Heat accumulating type grill pan is described in detail below
Stove accumulation of heat and the principle of heat release, in system the monitoring of incoagulable gas judge.
Heat-accumulating process：Electric heater 1 heats, and the water evaporation of boiler bottom, vapor contacts with heat-storing sphere 4, in heat-storing sphere 4
Phase-change material from solid-state be changed into liquid heat absorption, vapor, which is condensed, returns to boiler bottom.
Put when storing：If needing outwardly to provide hot water during accumulation of heat, accumulation of heat work(will be considered in design
Rate and heat release power, two additions are exactly the general power of electric heater.Caused part vapor is used for accumulation of heat, another part water
Steam exchanges heat with snake type heat exchange coil 7, heats the water of user side.
Exothermic process：Electric heater 1 is not worked, and water circulating pump 2 is opened, and hot water is sent to water distributing tray 6, uniform flow, stores
Hot-bulb 4 touches hot water heat release, produces vapor, and the snake type heat exchange coil 7 on vapor and top exchanges heat, the heat in heating coil
Water.
It is higher than transformation temperature according to the operating pressure in the transformation temperature setting boiler of phase-change material in heat-storing sphere in heat-accumulating process
The saturation pressure of vapor is as the operating pressure in boiler corresponding to 2 DEG C to 5 DEG C of temperature spot.Supervised by pressure sensor 13
The pressure surveyed in boiler, the heating power of control electric heater 1 control the pressure in boiler, pressure is maintained setting value.With
The power of track Stress control electric heater, ensure that pot in-furnace temperature is in setting operating mode in heating process, avoids the occurrence of high pressure and makes
Into accident.If adjusting the operating mode of boiler, can be achieved with by pressure setting.The operating pressure of boiler must be not more than boiler
Design allow operating pressure.
The utility model additionally provides the detection method of the incoagulable gas of the heat accumulating type electric boiler, its Method And Principle：
In the case of not having incoagulable gas, the pressure that saturation water steams corresponds to corresponding saturation temperature, if incoagulability in system be present
Gas, the pressure of actual measurement are more than corresponding saturation pressure under saturation temperature.The steam temperature that can be measured by thermocouple, enters
And corresponding saturation pressure can be calculated, and the pressure in boiler can be surveyed by pressure sensor, two pressure are compared,
It may determine that it whether there is incoagulable gas in system.The method can also check judge be in other types of steam boiler
It is no incoagulable gas to be present.If the saturation pressure of vapor corresponding to the numerical value of temperature sensor 12 is less than pressure sensor 13
Numerical value, illustrate incoagulable gas in steam generator system be present, the two difference is bigger, and incoagulable gas accounting is heavier.Incoagulability gas
Knowing from experience influences the normal work of boiler, influences heat transfer effect, increases the operating pressure of boiler.Accurate measurements diagnose, and exclude in time
Incoagulable gas is particularly significant.
Claims (6)
- A kind of 1. multi-state heat accumulating type electric boiler, it is characterised in that：Including electric heater (1), water circulating pump (2) and circulation line (3), heat-storing sphere (4), supporting plate (5), water distributing tray (6), snakelike heat exchange coil (7), building enclosure (8).
- 2. multi-state heat accumulating type electric boiler according to claim 1, it is characterised in that：The building enclosure (8) it is internal from Under be up sequentially provided with electric heater (1), supporting plate (5), water distributing tray (6) and snakelike heat exchange coil (7), supporting plate is put on (5) It is equipped with heat-storing sphere (4)；Snakelike heat exchange coil (7) the connection interface of hot water (18)；Building enclosure (8) bottom passes through circulation line (3) water circulating pump (2) outside connection, circulation line (3) outlet are provided with multiple water jets (10) above water distributing tray (6).
- 3. multi-state heat accumulating type electric boiler according to claim 2, it is characterised in that：Also set in the building enclosure (8) There are liquid level gauge (11), temperature sensor (12), pressure sensor (13), safety valve (14).
- 4. multi-state heat accumulating type electric boiler according to claim 2, it is characterised in that：Heat-storing sphere on the supporting plate (5) (4) enclosing (9) is provided with around；Enclosing (9) is provided with water distributing tray (6).
- 5. multi-state heat accumulating type electric boiler according to claim 2, it is characterised in that：It is provided with the middle part of the water distributing tray (6) Water steam hole (15), water steam hole (15) both sides are provided with some water distributing pores (16).
- 6. multi-state heat accumulating type electric boiler according to claim 2, it is characterised in that：The supporting plate (5) is if be provided with Net gas aquaporin (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720724122.4U CN206919401U (en) | 2017-06-21 | 2017-06-21 | Multi-state heat accumulating type electric boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720724122.4U CN206919401U (en) | 2017-06-21 | 2017-06-21 | Multi-state heat accumulating type electric boiler |
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| Publication Number | Publication Date |
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| CN206919401U true CN206919401U (en) | 2018-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720724122.4U Active CN206919401U (en) | 2017-06-21 | 2017-06-21 | Multi-state heat accumulating type electric boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036288A (en) * | 2017-06-21 | 2017-08-11 | 济南金孚瑞供热工程技术有限公司 | Multi-state heat accumulating type electric boiler |
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2017
- 2017-06-21 CN CN201720724122.4U patent/CN206919401U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036288A (en) * | 2017-06-21 | 2017-08-11 | 济南金孚瑞供热工程技术有限公司 | Multi-state heat accumulating type electric boiler |
| CN107036288B (en) * | 2017-06-21 | 2023-07-18 | 济南金孚瑞供热工程技术有限公司 | Multi-working-condition heat accumulating type electric boiler |
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