CN201141698Y - Positive displacement type gas water heater - Google Patents
Positive displacement type gas water heater Download PDFInfo
- Publication number
- CN201141698Y CN201141698Y CNU2007201933321U CN200720193332U CN201141698Y CN 201141698 Y CN201141698 Y CN 201141698Y CN U2007201933321 U CNU2007201933321 U CN U2007201933321U CN 200720193332 U CN200720193332 U CN 200720193332U CN 201141698 Y CN201141698 Y CN 201141698Y
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Abstract
The utility model discloses a volume type gas water heater, in which the shell (33) is internally provided with a gas--fired unit, a fume extractor and a turbulent flow heat exchanger (19). The upper part of the cylinder (19-1) of the turbulent flow heat exchanger (19) is provided with a heat exchanger return water outlet (10) linked with a heating return water outlet (26), and the lower part is provided with a heat exchanger water outlet (4) linked with a circulating pump (3) and a heating water outlet (27), a radiation combustion chamber (19-2), an inner concave water cavity (19-3), an outer convex turbulent flow cavity (19- 4), and a peripheral water cavity (34). The water cavity (19-3) is provided with a central turbulent flow flue (19-5) and a side turbulent flow flue (19-6). The inside of the peripheral water cavity (34) is provided with at least one set of heat exchange coil (19-10) provided with a heat exchange tube water inlet (18) linked with a domestic water intake (30) and a heat exchange tube water outlet (17) linked with a domestic hot water outlet (31). Therefore, the utility model is safe, reliable with a simple structure, high thermal efficiency, easy use and maintenance and long service life.
Description
Technical field:
The utility model relates to a kind of water heater, relates in particular to a kind of volumetric gas water heater.
Background technology:
Present displacement type water heater, the forced fume exhausts that adopt more, high-temperature flue gas flow velocity in smoke pipe in the heat exchanger wherein is very fast, heat exchanger effectiveness is reduced, existing finned DC heat exchanger and pipe heat exchanger in upright arrangement, the long-term use caused incrustation scale absorption in the U type conducting tube, influences the thermal efficiency, reduction of service life.A kind of cavity-separating heat exchanger though can make the high-temperature flue gas turbulent flow, improves heat exchange efficiency, and turbulent chamber is a spirogyrate, and relative water cavity is that to bear hydraulic pressure not enough, yielding in turbulent chamber during concave shaped caused using; The another kind of chamber turbulent flow type heat exchanger that divides, turbulent chamber is a concave shaped, and relative water cavity is a spirogyrate, bears the hydraulic pressure ability though improved turbulent chamber, and the limitation that spirogyrate water cavity wireway is provided with still has the pneumatosis phenomenon, influences result of use.Existing displacement type water heater does not have burner and the enclosed expansion drum that can independently install or change, complete machine to be subjected to source of the gas and water quality impact serious, and security performance is low, the heat exchange efficiency poor effect.And carry out domestic hot-water's control by conversion pipeline triple valve (increasing board-like little type heat exchanger), the working procedure relative complex, potential faults is many.And it for the heat exchanger water return outlet, upward is the heat exchanger delivery port down, and water return pipeline is provided with the mobile heating and the direct mode of circulating pump, and heat exchanger effectiveness is low, causes the increasing of personal attendant's's burning time gas consumption easily, causes the combustion gas expense higher.
The utility model content:
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and provides a kind of simple in structure, and is safe and reliable, thermal efficiency height, and working service is convenient, the volumetric gas water heater of long service life.
The purpose of this utility model can reach by following measure: a kind of volumetric gas water heater, it comprises housing 33, be provided with gas combustion apparatus in the housing 33, fume extractor, it is characterized in that being provided with turbulent flow type heat exchanger 19 in the described housing 33, turbulent flow type heat exchanger 19 has cylindrical shell 19-1, cylindrical shell 19-1 top is provided with heat exchanger water return outlet 10, the bottom is provided with heat exchanger delivery port 4, the bottom of cylindrical shell 19-1 is provided with radiation combustion chamber 19-2, radiation combustion chamber 19-2 establishes concave shaped water cavity 19-3 in the top, water cavity 19-3 establishes the top spirogyrate turbulent flow chamber 19-4, cylindrical shell 19-1 and radiation combustion chamber 19-2, water cavity 19-3, form peripheral water cavity 34 between the turbulent flow chamber 19-4, peripheral water cavity 34 is communicated with water cavity 19-3, concave shaped water cavity 19-3 is provided with center turbulent flow flue 19-5 and the equally distributed side turbulent flow flue 19-6 that passes water cavity 19-3, center turbulent flow flue 19-5 and side turbulent flow flue 19-6 communicate with radiation combustion chamber 19-2 and turbulent chamber 19-4, heat exchanger water return outlet 10 is connected with heating water return outlet 26 by pipeline, heat exchanger delivery port 4 connects water circulating pump 3 by pipeline, water circulating pump 3 connects heating delivery port 27, be provided with at least one group of heat exchange coil 19-10 in the peripheral water cavity 34, heat exchange coil 19-10 is provided with heat exchanger tube water inlet 18 and heat exchanger tube delivery port 17, heat exchanger tube delivery port 17 exports 31 by pipeline with the domestic hot-water and is connected, and heat exchanger tube water inlet 18 is connected with life cooling water inlet 30 by pipeline.
In order further to realize the purpose of this utility model being provided with expansion drum 5 in the described housing 33, expansion drum 5 is communicated with the peripheral water cavity 34 of heat exchanger 19 by pipeline.
In order further to realize the purpose of this utility model, described cylindrical shell 19-1 is provided with at least two concave shaped water cavity 19-3, be provided with a spirogyrate turbulent flow chamber 19-4 between per two concave shaped water cavity 19-3, the different axis of side turbulent flow flue 19-6 between the water cavity 19-3.
In order further to realize the purpose of this utility model, be provided with at least one deflector 19-7 in the described center turbulent flow flue 19-5, each deflector 19-7 is provided with at least one pod apertures 19-17.
In order further to realize the purpose of this utility model, establish turbulent bar 19-8 in the described side turbulent flow flue 19-6, every turbulent bar 19-8 is provided with at least two turbulent sheet 19-15, and the below that turbulent bar 19-8 goes up each turbulent sheet 19-15 is equipped with turbulent hole 19-16.
In order further to realize the purpose of this utility model, described gas combustion apparatus has burner 21, and burner 21 connects combustion gas pressure maintaining valve 1 by pipeline, and combustion gas pressure maintaining valve 1 connects fuel gas inlet 25, and burner 21 is provided with igniter 20, flame detects pin 28; Fume extractor is to be provided with petticoat pipe lid 14 on cylindrical shell 19-1, and petticoat pipe lid 14 connects blower fan 12, and blower fan 12 connects smoke removal conduit 32, and blast switch 9 is connected with blower fan 12 by pipeline; Be provided with master control borad 8, excessive fiery protection switch 2 in the housing 33; housing 33 is provided with display 6; cylindrical shell 19-1 is provided with high temperature protection switch 11, automatic exhaust steam valve 13, water-level probe 15, temp probe 16, and master control borad 8 connects combustion gas pressure maintaining valve 1, excessive fiery protection switch 2, water circulating pump 3, display 6, blast switch 9, blower fan 12, high temperature protection switch 11, water-level probe 15, temp probe 16, igniter 20, flame detection pin 28 respectively.
The utility model can produce following good effect with prior art: the turbulent flow type heat exchanger that the utility model adopts replaces finned DC heat exchanger and pipe heat exchanger in upright arrangement; Water quality sensitiveness is reduced and thermal efficiency height, it is spirogyrate that this heat exchanger adopts the above and below in turbulent chamber, relative spill water cavity center has center turbulent flow flue to connect, bearing capacity had both been improved in so turbulent chamber, technology is simple, avoided stopping up wireway in water inlet and the heating process, avoided making the epirelief position of convex water cavity that the accumulation hidden danger of free G﹠W steam is arranged, and flue can be provided with deflector or turbulent bar has prolonged heat-exchange time, improved heat exchanger effectiveness, water cavity has good venting quality, increases heat exchange coil, has enlarged its scope of application.And the utility model is provided with automatic exhaust steam valve, and built-in enclosed expansion drum has safe and reliablely, and the characteristics that the thermal efficiency is high have reduced the influence to complete machine of source of the gas and water quality.Heating is different with domestic water circulation water back, adopts two cover circulation lines, frequently switches without triple valve or secondary heat exchange device, has avoided life and the interactive situation of heating water.Under the heating state, can use the domestic hot-water simultaneously, uninterrupted heating operation, the user can wash one's hands, wash life uses such as dish at any time.Volume is little, and simple in structure being convenient to operated.
After the utility model is full of water by a turbulent flow type heat exchanger, use the fuel gas buring heating bore, it on the heat exchanger heat exchanger water return outlet, it is down the heat exchanger delivery port, can prevent the formation of bottom condensate water, built-in circulating pump is transported to heating system from the bottom by force to make the high temperature advection heat medium on top.The reason that the thermal efficiency is high is: large-area heat exchange basis (heat transfer area of high-temp combustion flue gas and inner chamber medium), the heat absorption process of high temperature heat source gas from the heat exchanger bottom to the exit procedure-heat exchanger of Forced discharge fan, heat more than 93% is absorbed, the heating medium reaches design temperature (being not that heating is provided with temperature) in heat exchanger after, be transferred to the heating system heating that circulates again, make full use of the high efficiency that temperature difference guarantees heating and heat exchange.
The bottom is gathered in the inner incrustation scale absorption of the utility model, guarantees the undamped phenomenon of the thermal efficiency.Under the regional on year-on-year basis water quality impact situation, service life is obviously longer.
The utility model is smokejack independently, and combustion system adopts the combustion gas pressure maintaining valve, and is safe and reliable, increases user security and uses phychology, relieved operation.The utility model adopts overflow fiery protection switch, high temperature protection switch, blast switch, water level switch etc., makes operation of the present utility model safer.
Burner of the present utility model adopts can be regulated the power burner or adopt ultra-red radiation combusting device etc., can adapt to the combustion conditions of different regions and different sources of the gas, and burner is space layout independently, and regular maintenance is convenient.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the heat exchanger of Fig. 1;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 be Fig. 2 the structural representation of turbulent bar;
Fig. 5 is the side view of Fig. 4;
Fig. 6 is the annexation schematic diagram of control section of the present utility model.
The specific embodiment:
Below in conjunction with accompanying drawing preferred forms of the present utility model is elaborated:
Embodiment: a kind of volumetric gas water heater is (referring to Fig. 1-Fig. 6), it be on the basis of existing gas heater, carry out improved, it comprises housing 33, be provided with in the housing 33 supporting plate 24 is installed, install and be fixed with combustion gas pressure maintaining valve 1, burner 21, heat exchanger holder 23, heating water return outlet 26, heating delivery port 27, bottom baffle 29, life cooling water inlet 30, domestic hot-water on the supporting plate 24 and export 31.Heat exchanger holder 23 is provided with the fiery protection switch 2 that overflows; fixing turbulent flow type heat exchanger 19 on the heat exchanger holder 23; it has cylindrical shell 19-1; the bottom of cylindrical shell 19-1 is provided with radiation combustion chamber 19-2; radiation combustion chamber 19-2 top is concave shaped water cavity 19-3; concave shaped water cavity 19-3 goes up and is spirogyrate turbulent flow chamber 19-4; form peripheral water cavity 34 between cylindrical shell 19-1 and radiation combustion chamber 19-2, concave shaped water cavity 19-3, the spirogyrate turbulent flow chamber 19-4, peripheral water cavity 34 is that one is communicated with concave shaped water cavity 19-3.Concave shaped water cavity 19-3 is provided with center turbulent flow flue 19-5 and the equally distributed side turbulent flow flue 19-6 that passes water cavity 19-3, at least be provided with 3 side turbulent flow flue 19-6 and a center turbulent flow flue 19-5 on each concave shaped water cavity 19-3, be provided with 10 side turbulent flow flue 19-6 in the present embodiment, center turbulent flow flue 19-5 and side turbulent flow flue 19-6 are communicated with radiation combustion chamber 19-2 and turbulent chamber 19-4.Be provided with deflector 19-7 in the turbulent flow flue 19-5 of center, deflector 19-7 is provided with at least one pod apertures 19-17, from bottom to top be provided with 4 concave shaped water cavity 19-3 in the present embodiment cylindrical shell 1, the different axis of the side of upper and lower water cavity 19-3 turbulent flow flue 19-6 are provided with a spirogyrate turbulent flow chamber 19-4 between per two concave shaped water cavity 19-3 simultaneously.Be provided with a deflector 19-7 in the turbulent flow flue 19-5 of center, every deflector 19-7 evenly is provided with four pod apertures 19-17, establish turbulent bar 19-8 in the side turbulent flow flue 19-6, every turbulent bar 19-8 is provided with at least two turbulent sheet 19-15, the below that turbulent flow bar 19-8 goes up each turbulent sheet 19-15 is equipped with turbulent hole 19-16, and present embodiment adopts every turbulent bar evenly to be provided with 10 turbulent sheet 19-15 and 10 turbulent hole 19-16.Be provided with two groups of heat exchange coil 19-10 in the peripheral water cavity 34, heat exchange coil 19-10 is provided with independently heat exchanger tube water inlet 18 and heat exchanger tube delivery port 17, and cylindrical shell 19-1 is provided with heat exchanger water return outlet 10 and heat exchanger delivery port 4.The cylindrical shell 19-1 of turbulent flow type heat exchanger 19 is provided with high temperature protection switch 11, water-level probe 15, temp probe 16, safety valve 22; heat exchanger water return outlet 10 is connected by water pipe 37 with heating water return outlet 26; heat exchanger delivery port 4 connects water circulating pump 3 by water pipe 38; water circulating pump 3 connects heating delivery port 27, and water circulating pump 3 is fixed on the housing 33.Heat exchanger tube delivery port 17 export by water pipe 35 and domestic hot-water 31 be connected, heat exchanger tube water inlet 18 is connected with life cooling water inlet 30 by water pipe 36.Be provided with expansion drum 5 in the housing 33, expansion drum 5 is communicated with the peripheral water cavity 34 of heat exchanger 19 by water pipe 39.Burner 21 is provided with igniter 20, flame detects pin 28; Combustion gas pressure maintaining valve 1 connects fuel gas inlet 25, and combustion gas pressure maintaining valve 1 links to each other with burner 21 by tracheae 40.The cylindrical shell 19-1 of heat exchanger 19 is provided with automatic exhaust steam valve 13, and cylindrical shell 19-1 is provided with petticoat pipe lid 14, and petticoat pipe lid 14 connects blower fan 12, and blower fan 12 connects smoke removal conduit 32, and blast switch 9 is surveyed the air port by spring sebific duct 41 with blower fan 12 and is connected.Housing 33 is provided with display 6, Pressure gauge 7, master control borad 8, master control borad 8 connects combustion gas pressure maintaining valve 1, excessive fiery protection switch 2, water circulating pump 3, display 6, blast switch 9, blower fan 12, high temperature protection switch 11, water-level probe 15, temp probe 16, igniter 20, flame detection pin 28 respectively, and combustion gas pressure maintaining valve 1, the fiery protection switch 2 that overflows, blast switch 9, high temperature protection switch 11, water-level probe 15, temp probe 16, flame detect pin 28 and is connected with master control borad 8 as input signal; Micro pump 3, blower fan 12, igniter 20, magnetic valve combustion gas pressure maintaining valve 1, display 6 are connected with master control borad as the output control signal, control their work automatically by master control borad 8.
During use, the heating heat-exchange circulation is supplied water heat exchanger delivery port 4, water circulating pump 3,27 water outlets of heating delivery port in the water cavity 34 to the periphery by heating water return outlet 26, water pipe 37, heat exchanger water inlet 10.Domestic water heat exchange circulation is given in the heat exchange coil 19-10 and is supplied water by life cooling water inlet 30, water pipe 36, heat exchanger tube water inlet 18, exports 31 water outlets by heat exchanger tube delivery port 17, water pipe 35, domestic hot-water.The high-temperature flue gas that burner produces enters radiation combustion chamber 19-2, high-temperature flue gas is by center turbulent flow flue 19-5, because deflector 19-7 is provided with pod apertures 19-17, enter in the turbulent chamber 19-4 after the convection current in producing, high-temperature flue gas is by among the turbulent bar 19-8 in the side turbulent flow flue 19-6, because turbulent sheet 19-15 stops, enter turbulent hole 19-16, enter in the turbulent chamber 19-4 after producing Z type turbulent flow flue, flue gas clashes into turbulent chamber 19-4 wall again, forming big turbulent flow rolls into a ball, prolong the holdup time of high-temperature flue gas, prolonged heat-exchange time, improved heat exchanger effectiveness, realized the water in high-temperature flue gas and the peripheral water cavity 34 and the heat exchange of the water among the heat exchange coil 19-10 like this, high-temperature flue gas has smoke removal conduit 32 to discharge under exhaust blower 12 effects.
Claims (6)
1, a kind of volumetric gas water heater, it comprises housing (33), housing is provided with gas combustion apparatus in (33), fume extractor, it is characterized in that being provided with in the described housing (33) turbulent flow type heat exchanger (19), turbulent flow type heat exchanger (19) has cylindrical shell (19-1), cylindrical shell (19-1) top is provided with heat exchanger water return outlet (10), the bottom is provided with heat exchanger delivery port (4), the bottom of cylindrical shell (19-1) is provided with radiation combustion chamber (19-2), concave shaped water cavity (19-3) is established in radiation combustion chamber (19-2) top, spirogyrate turbulent flow chamber (19-4) is established in water cavity (19-3) top, cylindrical shell (19-1) and radiation combustion chamber (19-2), water cavity (19-3), form peripheral water cavity (34) between the turbulent flow chamber (19-4), peripheral water cavity (34) is communicated with water cavity (19-3), concave shaped water cavity (19-3) is provided with center turbulent flow flue (19-5) and the equally distributed side turbulent flow flue (19-6) that passes water cavity (19-3), center turbulent flow flue (19-5) and side turbulent flow flue (19-6) communicate with radiation combustion chamber (19-2) and turbulent chamber (19-4), heat exchanger water return outlet (10) is connected with heating water return outlet (26) by pipeline, heat exchanger delivery port (4) connects water circulating pump (3) by pipeline, water circulating pump (3) connects heating delivery port (27), be provided with at least one group of heat exchange coil (19-10) in the peripheral water cavity (34), heat exchange coil (19-10) is provided with heat exchanger tube water inlet (18) and heat exchanger tube delivery port (17), heat exchanger tube delivery port (17) is connected with domestic hot-water's outlet (31) by pipeline, and heat exchanger tube water inlet (18) is connected with life cooling water inlet (30) by pipeline.
2, a kind of volumetric gas water heater according to claim 1 is characterized in that being provided with in the described housing (33) expansion drum (5), and expansion drum (5) is communicated with the peripheral water cavity (34) of heat exchanger (19) by pipeline.
3, a kind of volumetric gas water heater according to claim 1, it is characterized in that described cylindrical shell (19-1) is provided with at least two concave shaped water cavities (19-3), be provided with a spirogyrate turbulent flow chamber (19-4) between per two concave shaped water cavities (19-3), the different axis of side turbulent flow flue (19-6) between the water cavity (19-3).
4, a kind of volumetric gas water heater according to claim 1 is characterized in that being provided with at least one deflector (19-7) in the described center turbulent flow flue (19-5), and each deflector (19-7) is provided with at least one pod apertures (19-17).
5, according to claim 1 or 4 described a kind of volumetric gas water heaters, it is characterized in that establishing turbulent bar (19-8) in the described side turbulent flow flue (19-6), every turbulent bar (19-8) is provided with at least two turbulent sheets (19-15), and the below that turbulent bar (19-8) is gone up each turbulent sheet (19-15) is equipped with turbulent hole (19-16).
6, a kind of volumetric gas water heater according to claim 1, it is characterized in that described gas combustion apparatus has burner (21), burner (21) connects combustion gas pressure maintaining valve (1) by pipeline, combustion gas pressure maintaining valve (1) connects fuel gas inlet (25), and burner (21) is provided with igniter (20), flame detects pin (28); Fume extractor is to be provided with petticoat pipe lid (14) on cylindrical shell (19-1), and petticoat pipe lid (14) connects blower fan (12), and blower fan (12) connects smoke removal conduit (32), and blast switch (9) is connected with blower fan (12) by pipeline; Be provided with master control borad (8), excessive fiery protection switch (2) in the housing (33); housing (33) is provided with display (6); cylindrical shell (19-1) is provided with high temperature protection switch (11), automatic exhaust steam valve (13), water-level probe (15), temp probe (16), and master control borad (8) connects combustion gas pressure maintaining valve (1), excessive fiery protection switch (2), water circulating pump (3), display (6), blast switch (9), blower fan (12), high temperature protection switch (11), water-level probe (15), temp probe (16), igniter (20), flame detection pin (28) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201933321U CN201141698Y (en) | 2007-07-31 | 2007-11-21 | Positive displacement type gas water heater |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200720025695 | 2007-07-31 | ||
| CN200720025695.4 | 2007-07-31 | ||
| CNU2007201933321U CN201141698Y (en) | 2007-07-31 | 2007-11-21 | Positive displacement type gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201141698Y true CN201141698Y (en) | 2008-10-29 |
Family
ID=40069409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201933321U Expired - Fee Related CN201141698Y (en) | 2007-07-31 | 2007-11-21 | Positive displacement type gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201141698Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530014A (en) * | 2019-08-13 | 2019-12-03 | 华帝股份有限公司 | Gas water heater heated by radiation |
-
2007
- 2007-11-21 CN CNU2007201933321U patent/CN201141698Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530014A (en) * | 2019-08-13 | 2019-12-03 | 华帝股份有限公司 | Gas water heater heated by radiation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081029 Termination date: 20101121 |