CN2630727Y - Instantaneous contant-temperature electric heating device - Google Patents

Instantaneous contant-temperature electric heating device Download PDF

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Publication number
CN2630727Y
CN2630727Y CNU032221355U CN03222135U CN2630727Y CN 2630727 Y CN2630727 Y CN 2630727Y CN U032221355 U CNU032221355 U CN U032221355U CN 03222135 U CN03222135 U CN 03222135U CN 2630727 Y CN2630727 Y CN 2630727Y
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CN
China
Prior art keywords
liquid
electric heating
temperature
electric
heating unit
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNU032221355U
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Chinese (zh)
Inventor
杨家华
杨斌旭
方炳侠
傅铭
秦国忠
张利平
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杨家华
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Priority to CNU032221355U priority Critical patent/CN2630727Y/en
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Publication of CN2630727Y publication Critical patent/CN2630727Y/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

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  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)

Abstract

The utility model relates to an instant constant-temperature electric heating device which comprises an electric heating unit, a liquid inlet pipe and a user pipe, wherein a liquid inlet of the electric heating unit is connected with a low-temperature liquid source through the liquid inlet pipe, and a liquid outlet of the electric heating unit is connected with the user pipe. A replication liquid return pipe is respectively communicated with the liquid inlet pipe and the user pipe, and the replication liquid return pipe is provided with a control valve for controlling the flow amount of the return liquid. The utility model overcomes the defects of only interval heat supply, little possibility to adjust the constant temperature of the heat supply temperature and large heat dissipation of the conventional electric heater. The primary liquid outlet temperature of the liquid can reach the preset temperature, and the utility model can be used in consequence of opening, has the advantages of safety and reliable operation and convenient adjustment, and can be widely used for families, factories and locations requiring of central heat supply.

Description

Instantaneous constant temperature electric heater unit
Technical field
The utility model relates to a kind of electric heater unit, especially relates to the electric heater unit that a kind of moment heat supply keeps constant temperature.
Background technology
Usually adopt electric heater that liquid is heated, a kind of method is that electric heater is placed in the water tank, and before the use, electric heater is heated to the liquid in the water tank earlier temperature required, uses for the user again.But because of water tank volume limited, so water tank in hydrothermal solution use up after, just again the cryogenic liquid in the water tank is heated again.Another kind of electrical heating method is that flowing liquid is directly heated by electric heater or electric boiler; but present disclosed electric heater or electric boiler; be subjected to the restriction of its protection structure; liquid can only raise 6 ℃ during at every turn by an electric heater or an electric boiler; be commonly called as 6 ℃ of methods; therefore for satisfying instructions for use, electric heater heats liquid then just need be deposited to water tank, again to the liquid in the water tank repeatedly circulate be heated to temperature required.So electrical heating method of above-mentioned two kinds of methods, in use all must be provided with water tank, the setting of water tank has not only increased the complexity of electric heater unit, and after in case the liquid heat supply finishes in the water tank, just again the liquid in the water tank is heated again, not only the liquid heating-up temperature time is longer, and the heating-up temperature of liquid must realize by the switching that temperature sensor is controlled electric heater or electric furnace pot, control system is complicated and reduce dependability, because can only intermitting heating, can not realize continuous constant temperature heat supply, use very inconvenient.Simultaneously, by electric heater or electric boiler is that the liquid in the water tank is heated, because of the area of dissipation of water tank area of dissipation greater than pipeline, not only heat loss is big in circulation heating process, and when also surplus when unspent liquid is arranged in the water tank, and when not needing heat supply, just cause the waste of the energy again.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, continuous instantaneous constant temperature electric heater unit of constant temperature heat supply.
The utility model is achieved by the following technical solution: comprise electric heating unit, feed tube and user's pipe, the inlet of electric heating unit connects low temperature liquid source by feed tube, the liquid outlet of electric heating unit connects user's pipe, one circulation liquid back pipe is managed with feed tube and user respectively and is communicated with, and the control valve of controlling back flow quantity is housed on the circulation liquid back pipe.
The utility model adopts the advantage after the technique scheme to be: the utility model heats with being circulated by electric heating unit after the withdrawing fluid after the electric heating unit heating and the liquid mixed flow to be heated by the circulation liquid back pipe again, with this fluid temperature of heat supply is constantly increased progressively, the instantaneous temperature value that liquid is heated to a setting, can not only realize continuous heat supply, make heat supply temperature keep the value of a setting, and can also control heat supply temperature by the control valve of regulating on the circulation liquid back pipe, simple in structure, easy to adjust.Secondly, the utility model need not water tank, only needs to loop back liquid pipeline by one and just can realize the circulation heating, simplify electric heating circulation system on the one hand, shortened heat time heating time, adopted the user to manage direct heating on the other hand, reduce area of dissipation greatly, so improve rate of energy.The utility model has been broken conventional electric heater can only intermitting heating, and heat supply temperature is difficult for regulating constant temperature, the drawback that thermal losses is big, liquid once goes out liquid temp can reach design temperature, and plug and play is easy to use, need not to wait for, can be widely used in family, factory and need the central heating place.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
See of the present utility model instantaneous constant temperature electric heater unit shown in Figure 1, comprise that electric heating unit 4, feed tube 2 and user manage 7, electric heating unit 4 adopts conventional electric heating device or electric boiler, and electric heating unit 4 is in series by electric heater more than two or electric boiler, electric heating unit 4 also can adopt an electric heater or electric boiler, or the electric heater more than two or electric boiler are formed in parallel.See that electric heating unit of the present utility model 4 shown in Figure 1 is to be made of four electric heaters or electric boiler series connection, the inlet of electric heating unit 4 connects low temperature liquid source 1 by feed tube 2, the liquid outlet of electric heating unit 4 meets the user and manages 7, the user manages is equipped with gauge tap 8 on 7, open gauge tap 8 when opening electric heating unit 4, manage 7 feed tube 2 and user and be connected to a circulation liquid back pipe 5, the control valve 6 of controlling back flow quantity is housed on the circulation liquid back pipe 5, control back flow quantity by control valve 6 and realize the constant temperature heat supply, it concerns that following columns learns expression formula and represent:
Tm = T 0 + ∫ 0 m ( 1 - n m + 1 / 1 - n ) ΔT
Wherein: Tm---be the feed flow temperature of liquid.
T 0---be the initial temperature of liquid.
N---for returning flow quantity (n<1).
M---be the heat cycles number of times.
Δ T---for once being heated temperature.
This shows that time flow quantity is many more, it is high more once to be heated temperature, and it is short more then to heat the feed flow temperature-time; And the heat cycles number of times is many more, then goes out liquid temp also just near a definite value.Instantaneous constant temperature electric heater unit of the present utility model is simple in structure, can continuous heat supply, and the feed flow temperature is definite value, safe and reliable, because can pass through back flow quantity, the feed flow temperature regulates, and easy to adjust, use is reliably.
For ensureing the reliability of feed flow, on the feed tube 2 between the inlet of circulation liquid back pipe 5 and electric heating unit 4, water circulating pump 1 is housed also; The Venturi tube that increases flow rate of liquid also also is housed on the feed tube 2 between the inlet of circulation liquid back pipe 5 and electric heating unit 4, this Venturi tube is that middle caliber dwindles and both sides flaring and being connected on the feed tube, by Venturi tube to improve flow rate of liquid and to supply with electric heating unit 4.
When utility model adopts four electric heaters or electric boiler series connection heating, and returning liquid measure is 1/2 of total flow, flow velocity is 0.8~1.2m/s, the initial temperature of liquid is 20 ℃, its heating process is: 20 ℃ of liquid will waiting to need heating are for the first time by electric heater or electric boiler heat temperature raising to 44 ℃, the 44 ℃ of liquid measures of half are then managed 7 by the user and are flowed out, and second half 44 ℃ of liquid measures are delivered to electric heater or electric boiler by circulation liquid back pipe 5, liquid mixed flow to be heated 20 ℃ with half liquid measure, make to heat temperature raising to 56 ℃ for the second time by electric heater or electric boiler, half liquid measure that will be heated to 56 ℃ is equally managed 7 outflows by the user, and second half 56 ℃ liquid measure delivers to electric heater by circulation liquid back pipe 5 for the third time or electric boiler heats, again with 20 ℃ of mixed flows of half liquid measure through electric heater or electric boiler heat temperature raising to 62 ℃; Circulating with this equally makes the 4th liquid be heated to 65 ℃, is heated to 66.5 ℃ the 5th time, is heated to 67.5 ℃ the 6th time, big in 30 seconds with 20 ℃ cryogenic liquid heating near 68 ℃, and with this temperature continuous heat supply.Improve back the liquid internal circulating load as need, then can reduce the number of series electrical heater or electric boiler, as returning liquid measure is 2/3 of total flow, adopt the heating of two serial connection electric heaters or electric boiler, when being circulated to the 4th heating, then the liquid temperature can reach 52 ℃, and moment is with 20 ℃ of cryogenic liquids circulation heating and near 56 ℃ temperature continuous heat supply.
Electric heating unit 4 of the present utility model also can adopt the electric heater of four parallel connections or electric boiler to heat, and is 4/5 o'clock of total flow as returning liquid measure, can moment the liquid of 30 ℃ of initial temperatures be heated to 60 ℃.The electric heater of electric heating unit 4 of the present utility model or electric boiler and time flow quantity can be provided with flexibly and regulate according to behaviour in service.
The not only applicable domestic electric heater of the utility model, the commercial power heater, and be applicable to the electric heater unit of central heating.

Claims (4)

1, a kind of instantaneous constant temperature electric heater unit, it is characterized in that: comprise electric heating unit, feed tube and user's pipe, the inlet of electric heating unit connects low temperature liquid source by feed tube, the liquid outlet of electric heating unit connects user's pipe, one circulation liquid back pipe is managed with feed tube and user respectively and is communicated with, and the control valve of controlling back flow quantity is housed on the circulation liquid back pipe.
2, instantaneous constant temperature electric heater unit according to claim 1 is characterized in that: water circulating pump also is housed on the feed tube between the inlet of circulation liquid back pipe and electric heating unit.
3, instantaneous constant temperature electric heater unit according to claim 1 is characterized in that: Venturi tube also is housed on the feed tube between the inlet of circulation liquid back pipe and electric heating unit.
4, according to the described instantaneous constant temperature electric heater unit of one of claim 1 to 3, it is characterized in that: described electric heating unit is to be in series by two above electric heaters or electric boiler.
CNU032221355U 2003-05-19 2003-05-19 Instantaneous contant-temperature electric heating device Expired - Lifetime CN2630727Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU032221355U CN2630727Y (en) 2003-05-19 2003-05-19 Instantaneous contant-temperature electric heating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU032221355U CN2630727Y (en) 2003-05-19 2003-05-19 Instantaneous contant-temperature electric heating device

Publications (1)

Publication Number Publication Date
CN2630727Y true CN2630727Y (en) 2004-08-04

Family

ID=34290494

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU032221355U Expired - Lifetime CN2630727Y (en) 2003-05-19 2003-05-19 Instantaneous contant-temperature electric heating device

Country Status (1)

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CN (1) CN2630727Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109458555A (en) * 2018-12-27 2019-03-12 浙江强盛压缩机制造有限公司 A kind of LNG receiving station BOG compressor process gas entrance electric heater unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109458555A (en) * 2018-12-27 2019-03-12 浙江强盛压缩机制造有限公司 A kind of LNG receiving station BOG compressor process gas entrance electric heater unit

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Effective date of abandoning: 20050921

C25 Abandonment of patent right or utility model to avoid double patenting