CN101832633B - Heating and bathing condensed gas water heater with double volume - Google Patents
Heating and bathing condensed gas water heater with double volume Download PDFInfo
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- CN101832633B CN101832633B CN 200910119202 CN200910119202A CN101832633B CN 101832633 B CN101832633 B CN 101832633B CN 200910119202 CN200910119202 CN 200910119202 CN 200910119202 A CN200910119202 A CN 200910119202A CN 101832633 B CN101832633 B CN 101832633B
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Abstract
The invention discloses a heating and bathing wall-mounted gas furnace for a 'double volume + condensation heat exchange system', which comprises a shell, a microcomputer controller, a normally closed solenoid valve, a combustor, a first combustion chamber, a second combustion chamber, a lower honeycomb-shaped or parallel circular tube grate-shaped condensation volume heat exchanger and the like so as to form a heating and bathing combustor which has the advantages of forcedly changing hot water flow rule, fully utilizing heat energy, fully combusting gas, having large heat exchange area, long stroke and no resistance, not needing cleaning a flue in lifetime, supplying heating and bathing domestic water, and singly supplying bathing water in summer. The heating and bathing wall-mounted gas furnace saves energy by 30 percent and saves cost by about 60 percent than concentrated heating, saves energy and cost by over 60 percent than a pipeline type wall-mounted gas furnace, saves energy and cost by about 65 percent than the electric energy, and saves cost by 40 percent than honeycomb briquette heating. Because the gas furnace is ignited by gas electronically, so the heating can be started and stopped at any time, and the trouble of making a fire by coal and briquettes and pollution are eliminated; therefore, the heating and bathing wall-mounted gas furnace is an energy-saving and clean heating and bathing water heater which can be opened and closed at any time or fixed time.
Description
One, technical field
The present invention relates to a kind of gas heater for heating, bathing, the type of furnace is wall-hung boiler, is heating, the water-heating unit for shower of a kind of family, office and public place.
Two, background technology
At present, warming adopts central heating, honeycomb briquette stove, honeycomb briquette soil heating installation or the heating of coal fire chimney more, in recent years from the warming stove mode of the removable combustion liquid of external introduction, fuel oil and duct type burnt gas wall hanging furnace, central heating energy wave is useless more than 30%, this is because family residence or office often have the 1/3-1/2 time unmanned, it is made to need not to heat, and expense is higher in addition; Honeycomb briquette stove, honeycomb briquette soil heating installation or the heating of coal fire chimney, accidentally fire is just flame-out, and labour intensity is contaminated environment greatly also, and also easy gas poisoning also is the normal time loss energy; The warming stove of removable combustion liquid, fuel oil is locality, also needs hold-open door window ventilation ventilation, otherwise indoor anoxic, the heat utilization of duct type burnt gas wall hanging furnace is low, price is high.
Three, summary of the invention
It is not enough that purpose of the present invention overcomes existing various gas-heatings, water-heating unit for shower, stove and heating mode, safe, energy-conservation, easily combustion gas " double volume and condensation heat exchange system " heating, water-heating unit for shower, stove are provided, it is the heating of opening large and small fire and the bathing of arbitrary time segment as required, be provided with booster water pump because of it again, so can be fast heat be fed between calefactory, makes between calefactory in ten or twenty minute to reach the heating requirement.
The content of the present invention's design, to adopt combustion gas " double volume and condensation heat exchange system " heating, bathing, the double volume and condensation heat exchanger places the top of burner, the heating backwater is got back to first the preheating of volume heat exchanger and is heated, water pump is inhaled pre-heating backwater, be pressed onto lower volume heat exchanger and heat again, forcibly changing flow of hot water rule, the pre-heating backwater of volume heat exchanger takes full advantage of flue-gas temperature in the utilization; The second combustion chamber and combustion-supporting air inlet are set, combustion gas is fully burnt, utilized; The top arranges bathing domestic water heat exchanger coil in the lower volume heat exchange chamber; In a word, form that forcibly changing flow of hot water rule, heat energy take full advantage of, combustion gas is fully burnt, heat exchange area large, heat exchange stroke length, heating, bathing hot water for life all has, and can be at summer separately heating, the bathing burner of use bathing domestic water heat.
This water heater is that the automatic control of a kind of band micro computer also can manually be controlled, and gas-heating, the water-heating unit for shower of aobvious clock, temperature and each indicator lamp and five strong regulation and control are a kind of double volume and condensation heat exchange systems; Dual-volume storage heat exchange internal pressure equates with atmospheric pressure, thus definitely explosion-proof, also can make interior expansion tank greater than atmospheric pressure, plus-pressure table and safety valve; Combustion gas primary combustion, secondary burn again, so there is not carbon monoxide; The dual-volume storage large tracts of land is heated, and the burning non-resistance, exempts from clearly flue all the life; Water pump is arranged, strengthens hot water flow, strengthens the heating power exchange, and can open at any time, the pump of cutting off the water; Winter warm, bathing, summer is separately bathing also, a kind of can opening at any time, stop, and be provided with opening of four pairs of automatic setting times, stop, time segment is energy-conservation, cleaning heating, water-heating unit for shower, more energy-conservation more than 30% than central heating, joint takes about 60%, more energy-conservation than duct type burnt gas wall hanging furnace, joint takes more than 60%, compare electric heating, bathing is energy-conservation, joint takes about 65%, take 40% gas-heating than honeycomb briquette heating joint, water-heating unit for shower, be mounted in the kitchen, the indoor fuel gas heating in the places such as toilet, water-heating unit for shower, can use artificial coal gas, natural gas, biogas, liquefied gas, all gaseous fuels such as oil gas, also can use liquid fuel, it has volume little, lightweight, it is long-pending large contained by hot water, thermal power is high, the advantages such as function is many
The present invention compared with prior art has following advantages:
1, energy-conservation, province takes: combustion gas " double volume and condensation heat exchange system " heating, water-heating unit for shower, be that the two water bags of honeycombed water bag or parallel pipe grid shape+condensing are heated, the heating of supercharging, bathing heat-obtaining mode, itself is just energy-conservation, again that the people is in the igniting heating, the people walks flame-out heating mode, save heating duration more than 1/3 than other heating mode, so energy-conservation, province takes.
2, save worry laborsaving: honeycomb briquette stove, honeycomb briquette soil heating installation or the heating of coal fire chimney, accidentally just flame-out, stopping working, it is flame-out to light a fire, light a fire, labour intensity is contaminated environment greatly also, also easily choke people, poisoning of coal gas, and two water bags are heated, supercharging, bathing, heating energy conserving furnace are electronic ignitions, close the flame-out heating mode of gas, so save worry and laborsaving.
3, safe and reliable: combustion gas " double volume and condensation heat exchange system " heating, water-heating unit for shower, when mounted, as long as chimney is connected, flue gas arrange into the kitchen or the flue that leads to atmosphere of toilet in or be discharged to outdoor, just can safe impunity, the people will never coal gas chokes.
4, the energy utilization rate height does not have gas leakage waste situation: the normally closed solenoid valve of combustion gas " double volume and condensation heat exchange system " heating, water-heating unit for shower, under the normal instruction of micro computer, just can open, could normal ventilation use, otherwise be normally closed, when so burner is burning, stop the supple of gas or steam such as public steam line suddenly, will autoshutdown, after making public steam line come gas again, can not cause gas leakage waste and unsafe factor yet, only having artificial or could again light a fire heating during to next time to autoignition.
5, heating temperature quick heating, grasp well the water temperature balance, the burner of combustion gas " double volume and condensation heat exchange system " heating, water-heating unit for shower, be not subjected to combustion chamber and heat exchanger to be subjected to the temperature effect of hot water bag, so the combusting firepower of burner is thought large just large, to think little just littlely, burning is freely, so heating temperature quick heating is grasped well the water temperature balance.
6, can directly observe water supply and the return water temperature of heating, water-heating unit for shower from the microcomputerized control panel, control room heating temperature.
7, gas thermal energy takes full advantage of: upper and lower volume heat exchanger is subjected to the hot water bag, heat exchange area is large, the heat exchange stroke is long, it is effective to be heated, it is first to be subjected to Huo Shuibao that lower volume heat exchanger is subjected to the hot water bag, honeycomb type porous water bag or parallel pipe grid shape multilayer water bag, flame passes through in the water bag from several holes or in several parallel pipe grids layer by layer, reach porous, the logical fire of multilayer, large tracts of land is heated, under be heated by the hot water bag after, be subjected to the hot water bag in the waste heat direct projection, on be heated by the hot water bag after, flue gas just is discharged to outside atmosphere.
8, gas energy fully burns: combustion gas enters the second combustion chamber subsidy combustion air and again burns after the first combustion chambers burn, reaches combustion gas and fully burns and take full advantage of.
9, gas adjustment valve is turned round, and can adjust little heating area on specified heating area basis.
10, combustion chamber and flame channel non-resistance, large between two parties exempt to ask flue all the life.
11, switch off the pump summer and can supply separately bathing and hot water for life.
12, clock is arranged, and be provided with four pairs automatically open, downtime, can reach people's front Auto Power On of going home, the people walks automatic shutdown, time segment heating, energy-conservation.
Description of drawings:
Design instruction accompanying drawing 2 width of cloth of the present invention, Fig. 1 (doubling as the specification digest accompanying drawing) is that combustion gas " double volume and condensation heat exchange system " heating, the water-heating unit for shower front view that the present invention designs is basic structure and the schematic diagram that forms characteristics, and Fig. 2 is shape assumption diagram.
The represented parts position of sequence number is respectively among the figure: (1) wall-hung boiler shell, (2) combustion gas interface, (3) normally closed solenoid valve, (4) gas adjustment valve is turned round, (5) burner, (6) first combustion chambers, (7) lower volume heat exchanger, (8) be the flame channel of lower volume heat exchanger (7), (9) be the heat-exchange system heat-insulation layer, (10) coil pipe, (11) preheating water conduit, (12) gas vent of lower volume heat exchanger (7), (13) second combustion chambers, (14) be the combustion-supporting air inlet of the second combustion chamber (13), (15) upper volume heat exchanger, (16) chimney, (17) be the shelves wind resistance absorber plate of chimney (16), (18) automatic blow off valve valve air relief or outer tank, (19) heating return pipe, (20) and (22) be the water inlet pipe and water outlet pipe of coil pipe (10), (21) supply water temperature probe, (23) add water and adjutage, (24) water pump, (25) heating delivery port, (26) heating water return outlet, (27) add water and dewatering outlet, (28) and (29) be the intake-outlet of coil pipe (10), (30) return water temperature probe, (31) microcomputer controller, (32) flame-observing hole.
The specific embodiment:
With reference to Fig. 1, combustion gas interface (2) is advanced combustion gas, microcomputer controller (30) is opened normally closed solenoid valve (3), gas adjustment valve is turned round (4) and is adjusted the gas quantity size according to heating and domestic water situation, burner (5) and the first combustion chamber (6) burning, lower volume heat exchanger (7) and flame channel (8) are heated, heat absorption, fireworks are again to the second combustion chamber (13), the combustion air that enters with combustion-supporting air inlet (14) mixes, carry out the burning second time, little for preventing the fireworks resistance, energy waste, system is when wind resistance absorber plate (17), and after upper volume heat exchanger (15) was heated again, flue gas entered atmosphere naturally from chimney (16); The rear atmosphere that naturally enters that reaches totally that combustion gas is fully burnt, heating power takes full advantage of, fireworks fully burn; Heating water return outlet (26), return pipe (19) are metal communicating pipes, the heating return water temperature is lower, fire, water temperature difference is large, heat absorption power is strong, so the heating backwater is got back to first volume heat exchanger (15) heat absorption, is the condensing water tank, heats to lower volume heat exchanger (7) by preheating water conduit (11) again, water pump (24), heating delivery port (25) heating are arranged, return heating water return outlet (26) after the heating and carry out next circulation; Being shaped with in the water cavity of lower volume heat exchanger (7) can be for bathing domestic hot-water's heat exchanger coil (10), the shell of lower volume heat exchanger (7) is passed at the up and down two ends of coil pipe (10), namely be inlet/outlet pipe (20), (22) of coil pipe (10), coil pipe inlet/outlet pipe (20), (22) each connection metal pipe, metal tube extends and passes the bottom of wall-hung boiler shell (1), is intake-outlet (28), (29) of bathing domestic water; The top of upper volume heat exchanger (15) is shaped with automatic blow off valve valve air relief or outside expansion tank (18), automatic blow off valve valve air relief or outside expansion tank (18) have been gas and auto-flushings in the automatic releasing volume heat exchanger, and the gas in the lower volume heat exchanger (7) is to overflow by the gas vent (12) on the preheating water conduit (11) to overflow to upper volume heat exchanger (15); It has been to add water and maintenance discharges water that the heating burner adds water and dewatering outlet (23); Heat-insulation layer (9) has been the complete machine insulation, takes full advantage of heat energy; Supply water temperature probe (21) is the regulation and control supply water temperature and controls water temperature, return water temperature probe (30) is to watch the backwater water temperature, the upper long-term supply water temperature that shows of microcomputer controller (31), return water temperature probe (30) microcomputer controller (31) is controlled and can be shown return water temperature; Studding with microcomputer controller (31), gas adjustment valve from wall-hung boiler shell (1) turns round (4) and sees burner (32).
Microcomputer controller (31) shows and operating function:
One, control display dish card explanation
1, operated key: " ON/OFF ", " automatically ", " function ", " time/▲ ", " minute/
" five buttons.
2, show: four (20 * 50) digital time showings, two (20 * 25) digital temperatures show and flame demonstration (height * wide=12 * 10), red " work " indicator lamp, Green look " automatically " indicator lamp and redness " water pump " indicator lamp.
Two, each " key " operating instruction
Annotate: when electric standby, only show Beijing time and the current coolant-temperature gage of water bag on the panel, automatically open simultaneously Intelligent anti-freezing knot function.
1, " ON/OFF " key: click " ON/OFF ", bathing in three seconds, heating energy conserving furnace all starts running, " redness " relay indicating light is bright, red " water pump " indicator lamp, the flame display box is bright, digital temperature shows Current Temperatures, (60 ℃ of factory settings) design temperature comprises manually when coolant-temperature gage reaches design temperature, automatically " ON/OFF " key is used), the user can change setting certainly), digital temperature shows " 1E ", represent that current coolant-temperature gage reaches design temperature and (treats that water temperature descends 1 ℃ the time, water temperature 1E shows Current Temperatures again), the flame display box is bright to be put out, red " work ", " water pump " indicator lamp is also bright, and expression water pump this moment also turns round, flameout, when treating that coolant-temperature gage is lower than 10 ℃ of design temperatures, igniting is heated again, and the flame display box is bright again, digital temperature shows Current Temperatures, so that circulation.This moment, work was controlled by temperature only, was defaulted as 60 ℃ when temperature not being arranged, 24 hours any start-stops.
When closing stove: press " ON/OFF " key: red " work ", flame display box put out, and " water pump " time-delay stopped in 5 minutes, indicator lamp puts out.
2, " automatically " key: it is bright to click " automatically " key Green look " regularly " indicator lamp, the automatic setting time operation of expression peace, (when time to the automatic setting time is moved, red " work " indicator lamp is bright, red " water pump " indicator lamp is bright, Hong, Green three lamps all bright, the flame display box is bright, indicative of machine operational is worked under state regularly.) when coolant-temperature gage reaches design temperature, digital temperature shows " 1E ", (treat that water temperature descends 1 ℃ the time, water temperature 1E shows Current Temperatures again), represent that current coolant-temperature gage reaches design temperature, this moment, the flame display box put out Green look " regularly ", and red " work ", " water pump " indicator lamp are all also bright, and expression water pump this moment also turns round, flameout, when treating that coolant-temperature gage is lower than 10 ℃ of design temperatures, the flame display box is bright again, and digital temperature shows Current Temperatures, so that circulation, until during the pass stove of setting.
Close " automatically ": click " automatically " key, Φ 5 Green look timing indicators put out, and the operation of automatic setting time is removed in expression.
" automatically " regularly: open 8:00 when 11:45 opens, 14:00 stops with 17:45 and stop two periods.This state is ordered and is auto state (factory-default can be changed voluntarily).
3, " function " key:
(1), click " function " key, temperature display flashes, be the temperature adjustment this moment, can by " time/▲ ", " divide/
" two keys carry out the adjustment that arranges to temperature, it arranges scope 40 ... 80 ℃ (60 ℃ of factory settings) are not adjusted and set back three seconds, shows actual temperature at that time;
(2), press " function " key twice, time showing screen display this moment " 10N " at this moment can by " time/▲ ", " minute/
" two keys set the timing start-up very first time, after setting; Press again " function " key once, time showing screen display this moment " 10F " at this moment can by " time/▲ ", " minute/
" two keys set the shutdown very first time regularly; (annotate: the meaning of " 10N " is that the timing of the first period is opened; the meaning of " 10F " is the timed-shutoff of the first period; the meaning of same " 20N " is that the timing of the second period is opened ...), arranging regularly one has four time periods and comes it is arranged to press " function " key equally.
4, to the setting of Beijing time: long press " time/▲ " pressed " function " key time showing this moment again and flashed, can by " time/▲ ", " divide/
" two keys carry out the setting that clock alignment is adjusted, after adjusting when correct, do not adjust by machine in 3 seconds and confirm that clock alignment is finished.
5, switch water pump: in normal operation, by " minute/
" key is for cutting out the pump, again by " minute/
" the boiling water pump.
6, return water temperature shows: long pressing " time/▲ ", on temperature display watch, show return water temperature.
Annotate: water pump only is subject to time and on off state impact, and temperature influence does not close the stove delay and cut out the pump in 5 minutes.
7, special protection
(1), anti-freeze protection
The anti-freeze function is opened water pump and igniting automatically when temperature≤4 ℃, when rising to 20 ℃, temperature automatically stops,
(2) anti-dry (overtemperature) protection
When accident temperature 〉=90 ℃, must guarantee automatically to cease fire and also report to the police.
(code and failure code) display list:
Claims (5)
1. condensing dual-volume storage gas heater that is used for heating and bathing, the type of furnace is wall-hung boiler, this water heater is by wall-hung boiler shell (1), combustion gas interface (2), normally closed solenoid valve (3), gas adjustment valve button (4), burner (5), the first combustion chamber (6), lower volume heat exchanger (7), flame channel (8), heat-insulation layer (9), heat exchanger coil (10), preheating water conduit (11), gas vent (12), the second combustion chamber (13), combustion-supporting air inlet (14), upper volume heat exchanger (15), chimney (16), resistance absorber plate (17) keeps out the wind, outside expansion tank (18), heating return pipe (19), water inlet pipe (20), outlet pipe (22), supply water temperature probe (21), add water and adjutage (23), water pump (24), heating delivery port (25), heating water return outlet (26), add water and dewatering outlet (27), water inlet (28), delivery port (29), return water temperature probe (30), microcomputer controller (31), seeing burner (32) forms, it is characterized in that: combustion gas interface (2) is advanced combustion gas, microcomputer controller (31) is opened normally closed solenoid valve (3), gas adjustment valve button (4) is adjusted the gas quantity size according to heating and domestic water situation, combustion gas is burnt in burner (5) and the first combustion chamber (6), lower volume heat exchanger (7) and flame channel (8) are heated, fireworks mix with the combustion air that combustion-supporting air inlet (14) enters to the second combustion chamber (13) again, carry out the burning second time, for preventing the little and energy waste of fireworks resistance, the setting resistance absorber plate (17) that keeps out the wind, after upper volume heat exchanger (15) was heated again, flue gas entered atmosphere naturally from chimney (16); The rear atmosphere that naturally enters that reaches totally that combustion gas is fully burnt, heating power takes full advantage of, fireworks fully burn; Heating water return outlet (26), heating return pipe (19) are metal communicating pipes, the heating return water temperature is lower, fire, water temperature difference is large, the heating backwater is got back to first volume heat exchanger (15) heat absorption, the second combustion chamber (13) has consisted of the condensing water tank, and this water heater has consisted of a kind of double volume and condensation heat exchange system; The heating backwater heats to lower volume heat exchanger (7) by preheating water conduit (11) again, by water pump (24), heating delivery port (25) water outlet heating, returns heating water return outlet (26) after the heating and carries out next circulation; Being provided with in the water cavity of lower volume heat exchanger (7) can be for the heat exchanger coil (10) of bathing hot water for life, the shell of lower volume heat exchanger (7) is passed at the up and down two ends of heat exchanger coil (10), the water inlet pipe (20) of heat exchanger coil (10), each connection metal pipe of outlet pipe (22), metal tube extends and passes the bottom of wall-hung boiler shell (1), forms water inlet (28), the delivery port (29) of bathing domestic water; The top of upper volume heat exchanger (15) arranges outside expansion tank (18), outside expansion tank (18) has been automatically to discharge gas in the volume heat exchanger and the effect of auto-flushing, and the gas in the lower volume heat exchanger (7) is to overflow behind upper volume heat exchanger (15) by the gas vent (12) on the preheating water conduit (11) is excessive; Add water and the adjutage (23) that are arranged in the heating burner on the lower volume heat exchanger have been to add the effect that water and maintenance discharge water; Heat-insulation layer (9) has been the effect of complete machine insulation, to take full advantage of heat energy; Supply water temperature probe (21) is used for the regulation and control supply water temperature and controls water temperature, return water temperature probe (30) is used for watching the backwater water temperature, the upper long-term supply water temperature that shows of microcomputer controller (31), the operation that return water temperature probe (30) can pass through microcomputer controller (31) shows return water temperature; Stud with microcomputer controller (31), gas adjustment valve button (4) on the wall-hung boiler shell (1) and see burner (32).
2. water heater according to claim 1, it is characterized in that: lower volume heat exchanger (7) is honeycomb type porous water bag or parallel pipe grid shape multilayer water bag.
3. water heater according to claim 1 is characterized in that: upper volume heat exchanger (15), lower volume heat exchanger (7) have preheating water conduit (11) to connect.
4. water heater according to claim 1, it is characterized in that: lower volume heat exchanger (7) has preheating water conduit (11) in the chamber, and preheating water conduit (11) arranges gas vent (12).
5. water heater according to claim 1 is characterized in that: in the upper part cavity in lower volume heat exchanger (7) chamber domestic water heat exchanger coil (10) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910119202 CN101832633B (en) | 2009-03-09 | 2009-03-09 | Heating and bathing condensed gas water heater with double volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910119202 CN101832633B (en) | 2009-03-09 | 2009-03-09 | Heating and bathing condensed gas water heater with double volume |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101832633A CN101832633A (en) | 2010-09-15 |
| CN101832633B true CN101832633B (en) | 2013-01-23 |
Family
ID=42716792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910119202 Expired - Fee Related CN101832633B (en) | 2009-03-09 | 2009-03-09 | Heating and bathing condensed gas water heater with double volume |
Country Status (1)
| Country | Link |
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| CN (1) | CN101832633B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277884B (en) * | 2013-06-06 | 2015-12-16 | 佛山市顺德区速惠尔电器有限公司 | A kind of two-in-one pot-type boiler of water heater in central heating of Electromagnetic Heating |
| CN103868145B (en) * | 2014-03-03 | 2016-09-28 | 广东万和新电气股份有限公司 | The anti-dry control method of wall-hung boiler |
| CN106052115A (en) * | 2016-05-26 | 2016-10-26 | 珠海格力电器股份有限公司 | Wall-mounted furnace and control method thereof |
| CN110173886A (en) * | 2019-06-17 | 2019-08-27 | 景洪 | A kind of flue gas recycling gas displacement type water heater |
| CN110631262A (en) * | 2019-08-09 | 2019-12-31 | 珠海格力电器股份有限公司 | Gas consumption query method and system |
| CN114111047B (en) * | 2021-11-30 | 2023-08-22 | 陕西水墨江山能源科技有限公司 | Gas wall-mounted furnace and combustion treatment method thereof |
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|---|---|---|---|---|
| US4147159A (en) * | 1977-03-18 | 1979-04-03 | Thorwaldson Waldemar S | Temperature controlled instantaneous water heating apparatus |
| DE4118798A1 (en) * | 1991-06-07 | 1992-12-10 | Buderus Heiztechnik Gmbh | Temperature control method for hot water heating system - monitoring has flow valve setting by processor to vary temperature setting in hot water tank |
| CN1584437A (en) * | 2004-06-08 | 2005-02-23 | 上海帝高燃气电气有限公司 | Positive displacement rapid water heater and controlling method thereof |
| CN201697313U (en) * | 2009-03-09 | 2011-01-05 | 岳书才 | Double-capacity condensing gas-fired heating and bathing water heater |
-
2009
- 2009-03-09 CN CN 200910119202 patent/CN101832633B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4147159A (en) * | 1977-03-18 | 1979-04-03 | Thorwaldson Waldemar S | Temperature controlled instantaneous water heating apparatus |
| DE4118798A1 (en) * | 1991-06-07 | 1992-12-10 | Buderus Heiztechnik Gmbh | Temperature control method for hot water heating system - monitoring has flow valve setting by processor to vary temperature setting in hot water tank |
| CN1584437A (en) * | 2004-06-08 | 2005-02-23 | 上海帝高燃气电气有限公司 | Positive displacement rapid water heater and controlling method thereof |
| CN201697313U (en) * | 2009-03-09 | 2011-01-05 | 岳书才 | Double-capacity condensing gas-fired heating and bathing water heater |
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| Publication number | Publication date |
|---|---|
| CN101832633A (en) | 2010-09-15 |
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Granted publication date: 20130123 Termination date: 20190309 |