Novel gas heating/hot water two purpose boiler
The utility model is a kind of automatic control gas fired-boiler with heating, two functions of hot water.Be applicable to the heat supply in winter and the daily domestic hot-water of villa, minimized office place, family.
Background technology
Existing gas fired-boiler is that enclosure interior is provided with parts such as blower fan, exhaust fume collecting hood, heat exchanger, burner, water pump, controller, has also set up plate type heat exchanger and electric T-shaped valve for the domestic hot-water is provided.Its shortcoming is that the thermal efficiency is lower; The place easily produces condensed water at the blower fan exhaust opening, and corrosion machine intimate part produces fault; The easy incrustation of plate type heat exchanger, obstruction cause the domestic hot-water normally to use; The enclosure interior connecting line is mixed and disorderly, is difficult for defectives such as maintenance.
Summary of the invention
The technical problem that the utility model solved is prior art is improved, cancelled the setting of plate type heat exchanger, electric T-shaped valve, adopt a finned heat exchanger of two water routes socket of special construction, and increased time condensation formula heat exchanger, condensate collector, blowdown interface, filter.Provide a kind of structure concisely reasonable, thermal efficiency height, energy-conserving and environment-protective, the gas fired-boiler that result of use is good.
The technical scheme that solves its technical problem employing is: novel gas heating/hot water two purpose boiler, smoke exhaust pipe (40), air inlet pipe (41) that it comprises housing (1) and is connected with housing.Smoke exhaust pipe passes housing and communicates with the exhaust smoke outlet (6) of time condensation formula heat exchanger (4), and air inlet pipe directly communicates with housing (1).The flue gas interface (45) that advances of time condensation formula heat exchanger is connected with air-introduced machine (39), is provided with blast switch (3) on air-introduced machine.Air-introduced machine is installed on the exhaust fume collecting hood (38), below exhaust fume collecting hood, be provided with a heat exchanger (35), combustion chamber (34) is set below a heat exchanger, and the below, combustion chamber is provided with burner (31), igniting pin (32) and flame is set on burner detects pin (33).Burner is connected with gas ratio valve (24) by connecting line, and the gas ratio valve lower end is connected with inlet suction port (21).A heat exchanger (35) is made up of some fins that are heated (42), and the centre is installed with heating water heat pipe (44), and cover is installed with domestic hot-water's heat pipe (43) in the heating water heat pipe (44).Domestic hot-water's heat pipe one end is connected with life water water out adapter (25) by attaching nut (30), and NTC temperature-sensing element (27) is set on connecting line; Life water heat pipe (43) other end is connected with life water water supply connector (20) by the attaching nut, and on connecting line water flow sensor is set (22) and safety valve (19).One end of heating water heat pipe (44) is connected with the water water out adapter (26) that heats by attaching nut (29), and be provided with automatic exhaust steam valve on connecting line (37), over-temperature protection device (36), NTC temperature-sensing element (27).The upper port of the helical form heat pipe (5) in heating water heat pipe (44) other end and the time condensation formula heat exchanger (4) is connected.The lower port of helical form heat pipe (5) is connected with water circulating pump (10), and water circulating pump is connected with expansion tank (2) by conduit (8).Water circulating pump (10) is connected with water flow sensor (12), the water flow sensor below connects Pressure gauge (11), filter (13) and NTC temperature-sensing element (16), filter is connected with heating water water supply connector (15), and is provided with safety valve (14) in heating water water supply connector (15).Time condensation formula heat exchanger (4) below connects condensate collector (7), and condensate collector is connected with blowdown joint (17) by pipeline.Also be provided with automatic water compensating valve (18) in housing, automatic water compensating valve one end communicates with life water water supply connector (20) upper end connecting leg; The other end communicates with heating water water supply connector (15) upper end connecting leg.In housing, also be provided with central controller (28).
The utility model gas-heating/hot water two purpose boiler is compared with existing gas fired-boiler, because this gas-heating/hot water two purpose boiler has adopted a finned heat exchanger of two water routes socket of special construction, increased simultaneously time condensation formula heat exchanger again, the thermal efficiency of boiler is obviously improved, make full use of heat energy, structure is concisely reasonable, and fault rate is low, and is easy to use.
Description of drawings
Fig. 1 is the structural representation of novel gas heating/hot water two purpose boiler.
Fig. 2 is the cross-sectional view of a heat exchanger (35).
Fig. 3 is the structural representation of time condensation formula heat exchanger (4).
The specific embodiment
With reference to Fig. 1, novel gas heating/hot water two purpose boiler has housing (1), and airtight baffle (9) is set in the middle of the housing.Burner (31) is set above dividing plate, igniting pin (32) and flame is set on burner detects pin (33).Combustion chamber (34) is set above burner, and square tube shape is made with cold-rolled steel sheet in the combustion chamber, and wall attaching high-temperature flame-proof plate within it.Be provided with a heat exchanger (35) above the combustion chamber, No. one time heat exchanger is made up of some fins that are heated (42), is installed with heating water heat pipe (44) in the fin that is heated, and is set with life water heat pipe (43) in heating water heat pipe (44).On the connecting line of heating water heat pipe (44) and heating water water out adapter (26), automatic exhaust steam valve (37), over-temperature protection device (36), NTC temperature-sensing element (27) are housed.Domestic hot-water's heat pipe (43) one ends are connected with domestic hot-water's water out adapter (25), and NTC temperature-sensing element (27) is housed on connecting line; Domestic hot-water's heat pipe (43) other end is connected with life water water supply connector (20), and on connecting line water flow sensor is housed (22) and safety valve (19).In a heat exchanger (35) top exhaust fume collecting hood (38) is set, air-introduced machine (39) is installed on exhaust fume collecting hood, blast switch (3) is installed on the air-introduced machine.Air-introduced machine is connected with the flue gas mouth (45) that advances of time condensation formula heat exchanger (4) upper end, the exhaust smoke outlet (6) of time condensation formula heat exchanger is connected with smoke exhaust pipe (40), and time condensation formula heat exchanger lower end connects condensate collector (7) and blowdown joint (17).Helical form heat pipe (5) is housed in the time condensation formula heat exchanger, and helical form heat pipe one end is connected with heating water heat pipe (44) in the heat exchanger (35); The other end is connected with water circulating pump (10).Water circulating pump is connected with heating water water supply connector (15), and (2), discharge pass device (12), Pressure gauge (11), filter (13), safety valve (14), NTC temperature-sensing element (16) on connecting line expansion tank to be set.In housing (1) upper end air inlet pipe (41) is installed, with the housing intracavity inter-connection.Be provided with gas ratio valve (24) in housing (1) bottom, gas ratio valve one end is connected with burner (31); The other end is connected with inlet suction port (21).Also be provided with automatic water compensating valve (18) in housing (1), automatic water compensating valve one end communicates with life water inlet pipeline; The other end communicates with heating water inlet pipeline.Be provided with micro computer central controller (28) in housing (1), central controller is connected with power line (23).Central controller is connected with water circulating pump (10), air-introduced machine (39), discharge biography device (22,12), blast switch (3), over-temperature protection device (36), igniting pin (32), flame detection pin (33), NTC temperature-sensing element (27,16), gas ratio valve (24) respectively by circuit.