CN108072170A

CN108072170A - Electric boiler is heated in energy storage

Info

Publication number: CN108072170A
Application number: CN201611000125.XA
Authority: CN
Inventors: 刘运柳; 刘成
Original assignee: Guangdong Shunde Guangsheng Electrical Appliance Co Ltd
Current assignee: Guangdong Shunde Guangsheng Electrical Appliance Co Ltd
Priority date: 2016-11-14
Filing date: 2016-11-14
Publication date: 2018-05-25

Abstract

Electric boiler is heated in energy storage, by shell（1）, water tank（2）, electrothermal tube（3）, heating water outlet pipe（7）, heating return pipe（7‑1）, water admixing device（8）, water pump（9）, controller（11）It forms；Electrothermal tube is housed in water tank（3）, have water in water tank（12）, compressible air is arranged at the top of water（13）, have water admixing device outside water tank（8）；The hollow bushing of 1 or more the built-in electrothermal tube made by metal or nonmetallic materials of installation in water tank（4）, hollow bushing（4）It is externally opened wide for through type, that is, both ends or other end closing is externally opened wide in blind hole pipe, that is, one end；Hollow bushing（4）Outside is water, and electrothermal tube is housed in inner air（3）.

Description

Electric boiler is heated in energy storage

Technical field

The present invention relates to electrothermal atmospheric boiler, including electric water heating machine and central electric water heater.

Background technology

Existing number of patent application 201510262085.5 and 201520325516.3<The electric boiler of optical wave heating metal water tank >With application number 201510717287.4 and 201520842613.X<Using the electric hot water of non-metal shell electrothermal tube>, retouch The electric boiler using the heating of nonmetallic Optical wave electric heating tube is stated；Because " coal changes electricity " and paddy electricity low price political affairs are carried out energetically by Chinese Government Plan, paddy electricity are organ of the enterprise non-electric period, and in Shanghai, night 9 on the same day is trough-electricity when the next morning 6 The valency period is 0.3 yuan per kilowatt hour, and the period electric power is sufficient, without being waste；Now above-mentioned patent is supplemented, realizes and uses Trough-electricity energy storage is heated, and releases thermal energy in peak of power consumption.

Herein described electric boiler, including family expenses, commercial electric boiler, also including electric water heating machine and central electric water heater, because It is identical for the said goods cisten mechanism, belong to normal pressure, there is identical structure feature.

The content of the invention

The object of the present invention is to electric boiler using paddy electricity period at night cheap electric power by the water in water tank, be heated to>75 DEG C, in addition to for night normal heating hot water, also thermal energy storage is got up, waits until that daytime goes to work the period, progressively releases thermal energy To supply heating or domestic hot-water supply.

The present invention technical measures be, electric boiler by shell 1, water tank 2, electrothermal tube 3, hollow bushing 4, cold water inlet 5, Hot water outlet pipe 6, heating water outlet pipe 7, heating return pipe 7-1. water admixing devices 8, water pump 9, equipped with thermometric and limit temperature probe Pipe 10, controller 11 are formed；Equipped with 1 or more electrothermal tube in water tank, there is water 12 in water tank, the top of water has compressible Air 13, water tank have water admixing device 8 outside, and the high-temperature-hot-water that can will be stored in water tank is released after being reduced to heating temperature；It is described Water admixing device is by regulation handle 8-1, and high-temperature-hot-water mouth 8-2, heating water return outlet 8-3, temperature-sensitive element 8-4, which can promote mixed Water installations inner spool 8-5 is moved, and blocks or open the hot and cold mouth of a river, and make the coolant-temperature gage after mixing constant, and from heating water outlet 8-6 flows out；Floor heating 21 and 22 heating of radiator are reduced the water of temperature by water pump 9 after, and a part is sent into water tank, another Water admixing device 8 is sent into part, is mixed with the high-temperature-hot-water stored in paddy electricity period water tank, goes out after improving temperature further through heating Water pipe 7 send to heating pipeline and constantly cycles；This structure can prevent the high-temperature water stored in water tank from directly releasing, but progressively mend The heating return water after heat dissipation is filled, after it is made to improve the several years to ten several years, then for heating use, therefore the hot water stored in water tank can It is used for a long time for daytime, if when into temperature deficiency before paddy electricity, pipe 10 of the top equipped with thermometric and limit temperature probe works as survey When obtaining water tank upper temperature less than design temperature（Such as less than 50 DEG C）Automatic start electrothermal tube is heated；That is paddy is utilized When electric, even if the heat of low-price electricity storage cannot meet entire daytime, short time additional heat is also only needed.

The hollow bushing 4 of 1 or more the built-in electrothermal tube made by metal or nonmetallic materials is installed in water tank, it is empty Heart casing 4 is connected with welding or mechanical system with water tank, is water outside hollow bushing 4, and ensures tank seal, there is two kinds of knots Structure first, hollow bushing 4 externally opens wide for through type, that is, both ends, is equipped with electrothermal tube 3 in inner air（As shown in Figure 1, Figure 2, Fig. 3）； Second is that hollow bushing 4 is blind hole pipe, i.e., other end closing is externally opened wide in one end, and there are screw thread or flange in unlimited one end, pass through screw thread Or flange and sealing ring are mounted on water tank, in inner air tube, install electrothermal tube（Such as Fig. 4）；Either through type or blind hole pipe Electrothermal tube in it can be packed into or take out on demand；The shell of the electrothermal tube 3 is nonmetallic straight pipe or blind pipe or U-tube Within 3-1, nonmetallic straight pipe or blind pipe or U-tube, there is heating alloy 3-2 or directly with carbon fiber electric heating tube or halogen Electrothermal tube is fabricated to nonmetallic straight pipe or blind pipe or U-tube 3-1；Electrothermal tube also has terminal 3-3, insulation tube 3-4, inert gas Or non-combustible, not combustion-supporting gas or non-closely knit magnesia powder or air 3-5, supporting 3-6；Blind hole casing can be made with electrothermal tube For an entirety, such as Figure 12 to Figure 20, it is easily installed and replaces.

Present patent application not only realizes heating, but also domestic hot-water supply, should be independently arranged domestic hot-water's case 2-1 to make electric boiler Or in hot water effluent's pipeline arranging plate formula heat exchanger 14.

The beneficial effects of the invention are as follows electric hot waters to carry out energy storage heating with paddy section low price electric energy, and limits high temperature Hot water flows out, but after supplementing raising temperature to heating return water, then be delivered to heating pipeline and constantly cycle.

Description of the drawings

Fig. 1 is the electric boiler for specializing in heating hot water；

Fig. 2 to Fig. 4 is that have heating hot water and the electric boiler of domestic hot-water；

Fig. 5 to Figure 11 is the electrothermal tube used in electric boiler；

Figure 12 to Figure 20 is electrothermal tube and hollow bushing combination assumption diagram；

Figure 21 to Figure 24 is the schematic cross-section of Figure 12 to Figure 20.

Specific embodiment

Fig. 1 is the electric boiler for specializing in heating hot water, and Fig. 2 to Fig. 4 is the grill pan that domestic hot-water supply is gone back in addition to for heating hot water Stove, domestic hot-water is supplied using plate heat exchanger 14 in Fig. 2, and summer and spring and autumn day when heating is not required, keep 45 DEG C in water tank Low-temperature water heating, and plate heat exchanger 14 is made to form circuit with water pump 9；In Fig. 3, the water tank 2-1 of hot water for life is arranged on water tank Within, the water tank of domestic water is arranged on outside water tank 2 in Fig. 4, belongs to increased attachment when needing；Or use plate-type heat-exchange Device 14 substitutes, and during using plate heat exchanger, self-contained water tank 2-1 is not required, hot water for life water tank and plate heat exchanger have independence Water inlet, water outlet, do not mixed mutually with water with heating；Domestic water device is 25, three-way water mixing valve 30, domestic hot-water's pipe 15。

Water admixing device 8 is mechanical used by Fig. 1 to Fig. 4, and electronic type can also be used；Existing hot-water heating system is added The high-temperature water of heat is all directly to release use, and temperature can decline in the water short time in this mode water tank, and heat accumulation effect is not It is good；The heating return water that this water admixing device sends water pump 9（About 30 DEG C or so）Water tank is partly into, a part is through water admixing device Additional heat is delivered to heating pipeline again after improving temperature, therefore the coolant-temperature gage stored in water tank declines slowly；In water tank, water Compressible air is arranged at top, this is because heating system is closed loop, different time temperature is different in system, the expansion of water Coefficient is different, it plays the role of regulating system pressure, substitutes expansion tank, if compressible air is made autonomous container peace In systems, function is identical for dress, also within this patent protection.

Fig. 5 to Figure 11 is that Fig. 1 to Fig. 4 uses different electrothermal tubes 3, Fig. 5, Fig. 6 Figure 10, Figure 11 for hollow bushing 4 with The structure that electrothermal tube is combined into one；Fig. 7, Fig. 8, Fig. 9 are through type or blind pipe electrothermal tube；Figure 12 is spacious to Figure 15 hollow bushings 4 It is using being threadedly coupled to open one end and be formed with screw thread and water tank, and Figure 16 to Figure 20 is that hollow bushing 4 opens wide one end and is formed with flange and water Case uses flanged joint, and Fig. 1 to Fig. 3 is that hollow bushing 4 is directly installed on water tank, and Fig. 4 is the structure by Figure 12 to Figure 20 by sky Heart casing 4 is combined into one with electrothermal tube on water tank；Figure 21 to Figure 24 be electrothermal tube schematic cross-section, the signal, i.e., It is in hollow bushing 4,1 or more electrothermal tube can be filled, can is straight pipe or blind pipe or U-tube, wherein Figure 14, scheme 15th, Figure 18 bends to U-shaped；Various structures can be used mutually in attached drawing.

Metal electric heating pipe of the electrothermal tube with existing immersion in water is entirely different, electric heating used by present patent application In the air in hollow bushing 4 that pipe is installed in metal or nonmetallic materials make.

In embodiment, if it is mainly used for domestic hot-water, such as unit, school, shower are had a shower, cisten mechanism is identical, only Change pipeline connection.

Present patent application can utilize paddy electricity, within paddy electricity and this patent protection right.

Claims

1. electric boiler is heated in energy storage, by shell（1）, water tank（2）, electrothermal tube（3）, heating water outlet pipe（7）, heating return pipe （7-1）, water admixing device（8）, water pump（9）, controller（11）It forms；It is characterized in that：Electrothermal tube is housed in water tank（3）, water There is water in case（12）, compressible air is arranged at the top of water（13）, have water admixing device outside water tank（8）, can will store in water tank High-temperature-hot-water is released after being reduced to heating temperature.

2. energy storage heating electric boiler according to claim 1, it is characterised in that：The water admixing device（8）By regulation handle（8- 1）, high-temperature-hot-water mouth（8-2）, heating water return outlet（8-3）, temperature-sensitive element（8-4）, which can promote water admixing device inner spool （8-5）It is mobile, the hot and cold mouth of a river is blocked or opens, and make the coolant-temperature gage after mixing constant, and from heating water outlet（8-6）Outflow； Water pump（9）Heating is reduced to the water of temperature after, a part is sent into water tank, and another part is sent into water admixing device（8）, with The high-temperature-hot-water stored in paddy electricity period water tank mixes, further through heating outlet pipe after raising temperature（7）It send to heating pipeline And it constantly cycles.

3. energy storage heating electric boiler according to claim 1, it is characterised in that：1 or more is installed in water tank by metal Or the hollow bushing of the built-in electrothermal tube of nonmetallic materials making（4）, hollow bushing（4）Connected with welding or mechanical system with water tank It connects, hollow bushing（4）Outside is water, and ensures tank seal, has two kinds of structures, first, hollow bushing（4）For through type i.e. two End is externally opened wide, and electrothermal tube is housed in inner air（3）；Second is that hollow bushing（4）For blind hole pipe, i.e. one end is externally opened wide another End seal is closed, and there are screw thread or flange in unlimited one end, is mounted on by screw thread or flange and sealing ring on water tank, in inner air tube, peace Fill electrothermal tube；The either electrothermal tube of through type or blind hole pipe in it, can be packed into or take out on demand；The electrothermal tube（3）'s Shell is nonmetallic straight pipe or blind pipe or U-tube（3-1）, within nonmetallic straight pipe or blind pipe or U-tube, there is heating alloy Silk（3-2）Or directly nonmetallic straight pipe or blind pipe or U-tube are fabricated to carbon fiber electric heating tube or halogen electrothermal tube（3- 1）.

4. energy storage heating electric boiler according to claim 1, it is characterised in that：Not only for heating hot water, but also during domestic hot-water supply, In hot water effluent's pipeline arranging plate formula heat exchanger（14）Or it is independently arranged domestic hot-water's case（2-1）.