CN2395213Y - Vacuum electric heating water machine group - Google Patents
Vacuum electric heating water machine group Download PDFInfo
- Publication number
- CN2395213Y CN2395213Y CN 99247133 CN99247133U CN2395213Y CN 2395213 Y CN2395213 Y CN 2395213Y CN 99247133 CN99247133 CN 99247133 CN 99247133 U CN99247133 U CN 99247133U CN 2395213 Y CN2395213 Y CN 2395213Y
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- housing
- electric heating
- heat
- utility
- water
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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 - Fee Related
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to a vacuum electrothermal water machine group, wherein a shell 1 is made into a sealed type container, the inner chamber of the container is filled with fluid medium, and the upper part of the container is fixedly provided with a heat exchanging pipe 8. The utility model is characterized in that a pipe plate 5 of lower half part of the shell is fixedly provided with an electric heating element 4, and the utility model can make use of fluid medium to vaporize under the action of the electric heating element 4 and can condense and transfer heat in the heat exchanging pipe 8. The utility model has the advantages of high thermal efficiency, small size, reasonable structure, stable operation performance, no environmental pollution, long service life of the heat transferring element, and rapid and convenient replacement and repair, and the utility model is convenient for automation control.
Description
The utility model belongs to heat-exchange device, particularly relates to the water heating apparatus that thermal source is made in a kind of electricity consumption.
Hot-water boiler is a kind of main heater of heat supply, and more widely used now have fire coal, fuel oil, electrically heated boiler, and the vacuum hot water unit.Coal-fired, oil burning boiler is owing to be under an embargo in city and some area or limit use the influence of environment.The enhancing with environmental consciousness greatly developed along with China's electric utility, people have transferred to sight on the electrically heated boiler, and traditional electrically heated boiler generally is to add electrothermal tube in boiler drum, owing to be to concentrate heating, its energy consumption is big, the thermal efficiency is low, the poor heat stability of water, also is restricted on promoting the use of.And the vacuum hot water unit since because of cost too high, most of user's economic capability is difficult to bear, and the direct-fired vacuum hot water unit that our factory is produced, utilize water boiling point under negative pressure state low, evaporation is fast, meet the characteristics of cold easy condensation, carry out the exchange of heat energy, to reach the rapid heating of the medium in exchange heat pipe and the heat exchanger tube, because be that bottom in housing is installed with a combustor or combustion chamber, so that flame is burnt in the combustion chamber, the heat energy that is produced heats the fluid media (medium) in the housing, make it vaporization, service behaviour is more stable, but owing to be fuel oil type, still environment is affected.
The purpose of this utility model is to provide a kind of vacuum electric heating water unit, and it has thermal efficiency height, little, rational in infrastructure, the stable work in work of volume, non-scaling, non-environmental-pollution, improve the heat transfer element life-span, convenient maintenance and replacement, quick is convenient to adopt automation control.
The purpose of this utility model takes following scheme to realize: the housing of this hot water unit is made into sealed container, fluid-filled medium in housing, be installed with heat exchanger tube at an upper portion thereof, Lower Half is equipped with electrothermal tube, but fluid medium heats, make it vaporization, on heat exchanger tube, form the condensation phase-change heat transfer.Be respectively high-temperature water outlet and water at low temperature import at the two ends of heat exchanger tube,, water at low temperature introduced from the water at low temperature import, after being heated through heat exchanger tube, through the high-temperature water outlet heated water is drawn again, supply with the hot water user and use so that be connected with heating system.
The utility model is made up of housing, electrothermal tube, heat exchanger tube, heat-transfer fluid medium.On this housing, be installed with fluid media (medium) injection valve and exhaust tube,, and will be pumped into negative pressure or vacuum state in the housing so that inject and replacing heat exchange flow body medium such as distilled water wherein.Under the effect of heating system water pump, the heat supply water heat exchanger tube of only flowing through, when connect electrothermal tube to the housing inner chamber the heat-transfer fluid medium--water carries out electrical heating, because the continuous rising of water temperature, the pressure of housing inner chamber also constantly raises, when water temperature rises to 100 when spending, the pressure of housing inner chamber is 1atm, maintain an equal level with the outer atmospheric pressure of housing, this moment, the interior heat supply water of high-temperature vapor exchange heat pipe of inner chamber discharged the latent heat of vaporization, heat supply water in the heat exchanger tube is heated to uniform temperature, produce condensate return to lower housing portion at the heat exchanger tube outer wall, continue to be heated evaporation, form a heating process that moves in circles, can keep the housing chamber pressure to maintain below the 1atm again simultaneously.
Because the said hot water unit of the utility model, be that the housing inner chamber is pumped into negative pressure or vacuum, make the oxygen content in the housing reduce, can effectively avoid the corrosion of gas to casing inner wall, owing to be pumped into negative pressure or vacuum in the housing, quicken the evaporation rate of heated medium, thereby quickened the rate of heat exchange of heat exchanger tube, effectively sent out the utilization rate that has improved heat energy.Because the quantity of housing inner fluid medium is fewer, the loss in seal cavity is almost nil, can fluid medium soften to handle or other modes are handled, and prevents the inner walls fouling, stablizes to guarantee heat transfer property, also helps effective utilization of heat energy.Because the housing of this hot water unit does not directly enter employed fluid in the heating system, the body of housing need not bear the pressure of autothermal operation system.In addition, according to different purposes, housing can be installed many group heat exchanger tubes and electrothermal tube, with hot water and the increase pyrogenicity amount that different purposes are provided.It has simple in structure, volume is little, heat exchange efficiency is high, quick heating, do not have environmental pollution, convenient maintenance and replacement, quick is convenient to adopt automation control.Particularly aspect environmental protection and automatic control, with respect to burning coal and oil burning boiler, the not advantage of comparability is arranged.
Below in conjunction with accompanying drawing and with it is that embodiment does into explanation to the utility model:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is Fig. 1 side-looking (local vertical profile is looked) figure.
In the accompanying drawing, the 1st, housing, the 2nd, support, the 3rd, threaded fastening device, the 4th, electrical heating elements (electrothermal tube), the 5th, tube sheet, the 6th, water end (W.E.) lid, the 7th, suspension ring, the 8th, heat-transfer pipe (heat exchanger tube), the 9th, container intracavity pressure vacuum gauge, the 10th, container intracavity peephole, the 11st is used for fixing the upper bearing plate, the 12nd of heat-transfer pipe, container intracavity vacuum exhaust pipe, the 13rd, ring flange, the 14th, fluid media (medium) injection valve, the 15th, electrical heating elements bearing support, the 16th, water-collecting tray, the 17th, the common downcomer of water, the 18th, drainage pipe, the 19th, delivery port, the 20th, water inlet.
Among the figure, housing 1 is to be welded into an airtight container with steel plate, is placed on the support 2, and housing 1 can be made the version of horizontal boiler, also can make the version of vertical boiler.Bottom in housing 1 is fixedly mounted on the tube sheet 5 with the electrothermal tube 4 of threaded fastening device 3 with a group or more, for preventing that electrical heating elements 4 from staying, far-end at electrical heating elements 4 has bearing support 15 fixing, with the top of upper bearing plate 11 fixed installation heat exchanger tubes 8 at housing 1 inner chamber, heat exchanger tube 8 has two mouths of a river, be high-temperature water delivery port 19 and water at low temperature water inlet 20, so as with heating system in feed pipe be connected with return pipe.In order in housing 1, to inject heat exchange medium, on housing 1, be installed with a fluid media (medium) injection valve 14, for the air in the housing 1 being extracted out, make to form negative pressure or vacuum in the housing 1, be installed with an exhaust tube 12 at housing 1.
The heat supply principle of this hot water unit is: when electrical heating elements 4 is connected, the water of housing 1 inner chamber bottom is heated and is increased to 100 when spending, the pressure of housing 1 inner chamber is 1 atmospheric pressure, this moment, the high-temperature vapor exchange heat pipe 8 interior heat supply waters of inner chamber discharged the latent heat of vaporization, and outside heat exchanger tube 8, form condensed water, excessive condensed water drops on the water-collecting tray 16, be back to housing 1 bottom through down-comer 17, the water of bottom continues by electrothermal tube 4 heating evaporations in former chamber, form a heating process that moves in circles, can keep the housing chamber pressure to maintain below 1 atmospheric pressure again simultaneously.Since the water after being heated in the heat exchanger tube 8 high-temperature water under the effect of circulating pump through export 19 extract out after, give the hot water user, returned in the heat exchanger tube 8 through water at low temperature import 20 again by the used water at low temperature of hot water user or the new water that replenishes and to be reheated, make total system constitute hot-water return.
In order further to improve the heat exchanger effectiveness of this hot water unit, the modified and reinforced heat-transfer pipe of heat exchanger tube 8 best using plasmas.
In order to be satisfied with various hot water users' instructions for use, this hot water unit can provide different types of hot water simultaneously, and at this moment heat exchanger tube 8 can be pre-installed two groups or more, so that be connected with the heating system of different purposes.
In order further to improve the heat absorption capacity of heat exchanger tube 8 again, on the heat exchanger tube 8 that is positioned at housing 1 inner chamber part, preferably fixedly mount the heat absorption fin.
Claims (5)
1, a kind of vacuum electric heating water unit, housing (1) is made into sealed container, and fluid-filled medium in its chamber is installed with heat exchanger tube (8) at an upper portion thereof, it is characterized in that being installed with electrical heating elements (4) in the Lower Half of housing (1).
2, vacuum electric heating water unit according to claim 1 is characterized in that being installed with a fluid media (medium) injection valve (14) and an exhaust tube (12) on housing (1).
3, vacuum electric heating water unit according to claim 1 is characterized in that heat exchanger tube (8) has high-temperature water delivery port (19) and water at low temperature water inlet (20).
4, vacuum electric heating water unit according to claim 3 is characterized in that ring flange (13) is established on water inlet (20) and delivery port (19) top outside housing (1) respectively.
5, vacuum electric heating water unit according to claim 1 is characterized in that going up fixed installation heat absorption fin at the heat exchanger tube (8) of housing (1) inner chamber part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99247133 CN2395213Y (en) | 1999-11-22 | 1999-11-22 | Vacuum electric heating water machine group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99247133 CN2395213Y (en) | 1999-11-22 | 1999-11-22 | Vacuum electric heating water machine group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2395213Y true CN2395213Y (en) | 2000-09-06 |
Family
ID=34032629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99247133 Expired - Fee Related CN2395213Y (en) | 1999-11-22 | 1999-11-22 | Vacuum electric heating water machine group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2395213Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268908A (en) * | 2018-09-03 | 2019-01-25 | 周俊云 | Compressor-free effective warming temperature difference heat pump |
| CN111156690A (en) * | 2020-01-14 | 2020-05-15 | 黄骅市铭砚环保科技有限公司 | Double-circulation step-by-step heating device |
-
1999
- 1999-11-22 CN CN 99247133 patent/CN2395213Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268908A (en) * | 2018-09-03 | 2019-01-25 | 周俊云 | Compressor-free effective warming temperature difference heat pump |
| CN111156690A (en) * | 2020-01-14 | 2020-05-15 | 黄骅市铭砚环保科技有限公司 | Double-circulation step-by-step heating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |