CN202835799U

CN202835799U - A strong drum condensing digital constant temperature gas water heater

Info

Publication number: CN202835799U
Application number: CN201220379456.XU
Authority: CN
Inventors: 林招裕; 傅锦齐
Original assignee: Guangdong Xiangji Electrical Appliance Co ltd
Current assignee: Guangdong Xiangji Electrical Appliance Co ltd
Priority date: 2012-08-02
Filing date: 2012-08-02
Publication date: 2013-03-27
Anticipated expiration: 2022-08-02

Abstract

A forced-blowing condensation digital constant-temperature gas water heater comprises a base, a face cover, a smoke exhaust pipe, a burner, a heat exchanger, a fan, a proportional valve and a gas distribution device, wherein the heat exchanger comprises a combustion chamber with an upper opening and a lower opening and a water guide pipe wound on the outer surface of the combustion chamber, and one end of the water guide pipe is provided with a cold water inlet pipe and the other end of the water guide pipe is provided with a hot water outlet pipe; the water-cooled water heater also comprises a second heat exchanger, wherein the second heat exchanger comprises a shell and a corrugated pipe arranged in the shell, the water inlet end of the corrugated pipe is communicated with a water source, and the water outlet end of the corrugated pipe is communicated with a cold water inlet pipe; the shell is communicated with a flue gas outlet at the upper end of the combustion chamber; the smoke outlet at the top of the shell is communicated with the smoke exhaust pipe, and the bottom of the shell is provided with a condensed water exhaust pipe. Due to the adoption of the structure, cold water firstly exchanges heat with the flue gas through the second heat exchanger to absorb heat in the flue gas, so that the aim of preheating is fulfilled; the preheated water enters the heat exchanger, thus saving energy.

Description

The digital constant temp gas water heater of a kind of strong bulging condensation

Technical field

The utility model relates to a kind of gas heater, especially a kind of digital thermostat gas heater.

Background technology

Present prior art, a kind of digital thermostat gas heater, comprise base, cover, smoke exhaust pipe, burner, heat exchanger, blower fan, proportioning valve and minute device of air, described heat exchanger comprises the combustion chamber and the aqueduct that is wrapped on the outer surface of combustion chamber of upper and lower opening, and described aqueduct one end is cold water inlet, other end hot water outlet pipe; Described heat exchanger is arranged on the top of burner, and described blower fan is arranged on the bottom of burner, and proportioning valve is communicated with a minute device of air, and a minute device of air cooperates with burner.Existing problems are: discharge flue gas with the part heat, can not take full advantage of.

Summary of the invention

The purpose of this utility model is: provide a kind of strong bulging condensation digital constant temp gas water heater, it can take full advantage of the waste heat in the flue gas, has improved the thermal efficiency, has saved the energy.

The utility model is achieved in that the digital constant temp gas water heater of a kind of strong bulging condensation, comprise base, cover, smoke exhaust pipe, burner, heat exchanger, blower fan, proportioning valve and minute device of air, described heat exchanger comprises the combustion chamber and the aqueduct that is wrapped on the outer surface of combustion chamber of upper and lower opening, and described aqueduct one end is that cold water inlet, the other end are the hot water outlet pipe; It is characterized in that: also comprise the second heat exchanger, described the second heat exchanger comprises shell and setting bellows in the enclosure,

The water inlet end of described bellows is communicated with the water source, and the water side of bellows is communicated with cold water inlet;

Described shell is communicated with the flue gas gas outlet of the upper end of combustion chamber; The outlet flue of cover top portion is communicated with smoke exhaust pipe, and the bottom of shell is provided with drip pipe.

The digital constant temp gas water heater of described a kind of strong bulging condensation, its special character is: described the second heat exchanger is arranged on base upper right quarter or upper left quarter, and the mode of arranging about heat exchanger and the second heat exchanger arranges.

The digital constant temp gas water heater of described a kind of strong bulging condensation, its special character is: also comprise and lead cigarette spare, the described cigarette spare of leading comprises exhaust fume collecting hood and the connection chimney that is arranged on the exhaust fume collecting hood, and the under shed of exhaust fume collecting hood is connected with the top opening of combustion chamber; Interface on the side surface of connection chimney and shell is pegged graft.

The digital constant temp gas water heater of described a kind of strong bulging condensation, its special character is: described chimney is arranged on the side surface of exhaust fume collecting hood.

The digital constant temp gas water heater of described a kind of strong bulging condensation, its special character is: device of air comprised gas distributing rod and gas separating seat in described minute, gas distributing rod comprises first minute air cavity, second minute air cavity with opening, several gas outlet mouth and the pressing plates with opening, described pressing plate seals the opening of first, second minute air cavity, and described gas outlet mouth is arranged on the chamber wall of first, second minute air cavity; The gas outlet mouth cooperates with burner;

Air intake duct and first, second airway are arranged on the described gas separating seat, the first solenoid valve seat and the second solenoid valve seat are arranged respectively on first, second airway;

First, second switch electromagnetic valve is separately positioned on first, second solenoid valve seat; The gas outlet of first, second airway is communicated with the air inlet of first, second air intake duct on first, second minute air cavity respectively;

Proportioning valve is arranged on the gas separating seat, and proportioning valve is communicated with air intake duct with first, second airway.

The digital constant temp gas water heater of a kind of strong bulging condensation of the utility model, owing to adopt this spline structure, cold water at first carries out heat exchange through the second heat exchanger and flue gas, absorbs the heat in the flue gas, reaches the purpose of preheating; Water through preheating enters heat exchanger, has saved the energy.

Description of drawings

Fig. 1 is front view of the present utility model.

Fig. 2 is stereogram local among Fig. 1.

Fig. 3 is the stereogram that the utility model divides device of air.

Fig. 4 is the front view that the utility model divides device of air.

Fig. 5 is the three-dimensional exploded view of the utility model gas distributing rod.

Fig. 6 is first minute air cavity of the utility model gas distributing rod and the location diagram of second minute air cavity.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further described.

As shown in Figure 1 and Figure 2, the digital constant temp gas water heater of a kind of strong bulging condensation, comprise base 1, cover (not shown), smoke exhaust pipe 2, burner 3, heat exchanger 4, blower fan 5, proportioning valve 6 and minute device of air, described heat exchanger 4 comprises the combustion chamber 41 and the aqueduct 42 that is wrapped on 41 outer surfaces of combustion chamber of upper and lower opening, and described aqueduct 42 1 ends are that cold water inlet 421, the other end are hot water outlet pipe 422; Also comprise one second heat exchanger 7, described the second heat exchanger 7 comprises shell 71 and is arranged on the bellows 72 of shell that bellows 72 metal tube bendings are made.

The water inlet end 721 of described bellows 72 is communicated with the water source, and the water side 722 of bellows 72 is communicated with cold water inlet 421;

Described shell 71 is communicated with the flue gas gas outlet of the upper end of combustion chamber 41; The outlet flue at shell 71 tops is communicated with smoke exhaust pipe 2, and the bottom of shell 71 is provided with drip pipe 8.

Described the second heat exchanger 7 is arranged on base 1 upper right quarter, also can be arranged on upper left quarter, and the mode that heat exchanger 4 and the second heat exchanger about 7 are arranged arranges.

Also comprise and lead cigarette spare 9, the described cigarette spare 9 of leading comprises exhaust fume collecting hood 91 and the connection chimney 92 that is arranged on the exhaust fume collecting hood 91, and the under shed of exhaust fume collecting hood 91 is connected with the top opening of combustion chamber 41; Interface on the side surface of connection chimney 92 and shell 71 is pegged graft.

Described chimney 92 is arranged on the side surface of exhaust fume collecting hood 91.

Such as Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, device of air comprised gas separating seat 10 and gas distributing rod 11 in described minute, gas distributing rod 11 comprises first minute air cavity 111, second minute air cavity 112 with opening, several gas outlet mouths 113 and the pressing plate 114 with opening, the opening of described pressing plate 114 sealing first, second minute air cavitys 111,112, described gas outlet mouth 113 are arranged on first, second minute air cavity chamber wall of 111,112; Gas outlet mouth 113 cooperates with burner 3;

Air intake duct 101 and first, second airway are arranged on the described gas separating seat 10, the first solenoid valve seat and the second solenoid valve seat are arranged respectively on first, second airway;

First, second switch electromagnetic valve 1A, 1B are separately positioned on first, second solenoid valve seat; The air inlet 11111 of the first air intake duct 1111 on the gas outlet 102 of described the first airway and the first minute air cavity 111 is communicated with, and the air inlet 11211 of the second air intake duct 1121 on the gas outlet 103 of the second airway and the second minute air cavity 112 is communicated with;

Proportioning valve 5 is arranged on the gas separating seat 10, and proportioning valve 5 is communicated with air intake duct 101 with first, second airway.Also be provided with master switch magnetic valve 12 on the air intake duct 101.

Under the effect of control device, first, second switch electromagnetic valve 1A, 1B can work simultaneously, also can only have the first switch electromagnetic valve 1A or second switch magnetic valve 1B work.

Above-described only is preferential embodiment of the present utility model.Should be pointed out that for the person of ordinary skill of the art in the situation that does not break away from the utility model principle, can also make some improvement and modification, this also is considered as protection domain of the present utility model.

Claims

1. A strong drum condensing digital constant temperature gas water heater, comprising a base, a face cover, a smoke exhaust pipe, a burner, a heat exchanger, a fan, a proportional valve and a gas distribution device, and the heat exchanger includes a combustion chamber with upper and lower openings and A water guide pipe wound on the outer surface of the combustion chamber, one end of the water guide pipe is a cold water inlet pipe, and the other end is a hot water outlet pipe; it is characterized in that it also includes a second heat exchanger, and the second heat exchanger includes a shell and a bellows provided inside the housing,

The water inlet end of the bellows is connected with the water source, and the water outlet end of the bellows is connected with the cold water inlet pipe;

The casing communicates with the flue gas outlet at the upper end of the combustion chamber; the smoke outlet at the top of the casing communicates with the exhaust pipe, and the bottom of the casing is provided with a condensed water discharge pipe.

2. A strong drum condensing digital constant temperature gas water heater according to claim 1, characterized in that: the second heat exchanger is arranged on the upper right or upper left of the base, and the heat exchanger and the second heat exchanger are arranged left and right way to set.

3. A strong drum condensing digital constant temperature gas water heater according to claim 2, characterized in that it also includes a smoke guide, the smoke guide includes a smoke collection hood and a connecting chimney arranged on the smoke collection hood, The lower opening of the fume collecting hood is connected with the top opening of the combustion chamber; the connecting chimney is inserted into the interface on the side surface of the casing.

4. A strong-drum condensing digital constant-temperature gas water heater according to claim 3, characterized in that: said connecting chimney is arranged on the side surface of the fume collecting hood.

5. A strong drum condensing digital constant temperature gas water heater according to claim 1, 2, 3 or 4, characterized in that: the gas distribution device includes a gas distribution rod and a gas distribution seat, and the gas distribution rod includes a The first gas distribution chamber, the second gas distribution chamber with openings, several gas outlet nozzles and pressure plates, the pressure plate closes the openings of the first and second gas distribution chambers, and the gas outlet nozzles are arranged on the first and second gas distribution chambers. On the wall of the gas distribution chamber; the gas outlet is matched with the burner;

The air distribution seat has an air intake channel and first and second air channels, and the first and second air channels respectively have a first electromagnetic valve seat and a second electromagnetic valve seat;

The first and second switching solenoid valves are respectively arranged on the first and second solenoid valve seats; The air inlet of the channel is connected;

The proportional valve is arranged on the air distribution seat, and the proportional valve communicates the air intake channel with the first and second air channels.