CN2352876Y - Up air intaking and up flue type gas water heater - Google Patents

Abstract

The utility model relates to an upper wind intake and lower smoke discharge gas water heater which is mainly composed of a combustor and a heat exchanger, wherein, the combustor and the heat exchanger are arranged in a closed casing, and a wind inlet pipe is arranged on the upper end of the closed casing. Oxygen required for combustion is supplied by air which is input by a wind and smoke diverter out of rooms. A combustion inner cover whose bottom is in the shape of a horn mouth is arranged in the closed casing. The combustion inner cover collects combustion waste gas which is discharged out of rooms by a smoke discharge pipe through the wind and smoke diverter. No oxygen in the rooms is consumed, and the indoor environment is not polluted. The utility model has the advantages of simple structure, convenient installation, convenient maintenance and high safety, and can be directly installed in the closed environment such as the bathroom, etc. to be used.

Description

Smoke evacuation formula gas heater on the last air intake

The utility model relates to a kind of water heater that heat-generating device is arranged, specifically a kind of formula gas heater of discharging fume on the air intake of going up; Be particularly suitable for north cold area, can directly be installed in bathroom or other enclosed environment and use.

Gas heater goes out advantages such as hot water is fast, easy for operation with it, is subjected to people's favor deeply, has been widely used in hotel, hostel and town dweller huge numbers of families, has played positive role to beautifying people's life.Existing gas heater structure and kind are more, straight-line structure the most commonly, be characterized in simple in structure, on the low side, the user is acceptant, occupy bigger market, but disadvantage is: the required oxygen of gas heater burning of this straight-line structure is taken from indoor, the large quantity of exhaust gas that burning is produced is also arranged in indoor, pollute indoor air environment, if the room ventilation condition is relatively poor, can cause anoxic to poison when serious and jeopardize personal safety, this straight-line gas heater exists serious problem safe in utilization, definitely can not be installed in the bathroom or environment that ventilation condition is bad in use.Recently, a kind of improved " chimney flue type gas heater " its design feature having occurred is: utilize smoke exhaust pipe that the waste gas that the water heater burning is produced is drawn outdoor discharging, this has played certain effect to improving indoor air environment, but required oxygen is still taken from indoor during its burning, the indoor oxygen of a large amount of consumption, also can cause indoor anoxic, equally also be not suitable for directly being installed in the bathroom or in other enclosed environment and use.Chinese patent CN2242419Y discloses a kind of name and has been called " a kind of closed gas heater ", its design feature: it has inside and outside two-layer closure casing, heater and heat exchanger are encapsulated in the upper and lower inner housing that is provided with exhaust outlet and air inlet, air blast and air inlet join, supply with the required oxygen of heater burning that is encapsulated in the inner housing by air blast from outdoor extraction fresh air, burnt gas is discharged outdoor by exhaust outlet through smoke pipe.Though this closed gas heater can guarantee indoor air clean, avoids the anoxic intoxication accident, have safe application performance preferably, can directly be installed on indoor use.But, this closed gas heater adopt the smoke evacuation of air blast exhausting make complex structure, inconvenience be installed, manipulate the maintenance management trouble, moreover air blast is by electric energy work, when if city's electrical network has a power failure then can not use water heater, if make the power supply of air blast with dry cell, then certainly will increase the operation cost of use again.

The purpose of this utility model be propose on the basis of existing technology a kind of simple in structure, install and manipulate all very convenient, can directly be installed in the bathroom or in other enclosed environment and use, can keep indoor air clean, have smoke evacuation formula gas heater on the last air intake of very high safe application performance.

The purpose of this utility model realizes by following scheme:

A kind of formula gas heater of discharging fume on the air intake of going up, it mainly is made of the burner and the heat exchanger that are installed in the closed shell, closed shell is equipped with gas control valve and water inlet control valve outward, the air inlet of closed shell upper end links to each other with blast pipe, supply with fuel gas buring oxygen from outdoor input fresh air, the burning inner cover is installed in the closed shell, heat exchanger places in the burning inner cover, the lower end of burning inner cover is made horn mouth and is formed combustion chamber cover on burner, burning inner cover upper end has been done exhaust opening and has been linked to each other with smoke exhaust pipe, the burning inner cover is collected the waste gas that is produced that burns and is thrown into outdoor through smoke exhaust pipe, can guarantee indoor air clean, have high safe application performance.

The utility model also has following technical characterictic:

Horn mouth formation combustion chamber cover is installed on burner in the lower end that is installed on the heat exchanger in the closed shell, the upper end of heat exchanger is installed exhaust opening and is linked to each other with smoke exhaust pipe, utilizes the housing of heat exchanger to collect the waste gas that is produced that burns and is thrown into outdoor through smoke exhaust pipe.

Blast pipe can be connected with the wind and smoke current divider with smoke exhaust pipe, the air intake passage that the wind and smoke current divider is separated by dividing plate is connected with blast pipe, outdoor fresh air is supplied with the required oxygen of using of fuel gas buring by entering the combustion chamber again in air intake passage, the blast pipe input closed shell, the discharge flue of separating is connected with smoke exhaust pipe, burnt gas is discharged outdoor through the discharge flue of smoke exhaust pipe, wind and smoke current divider, the outlet flue of discharge flue has been done rain cover.

The utility model is installed on burner and heat exchanger in the closed shell, the closed shell upper end is installed into airduct, from being installed on outdoor wind and smoke current divider input air for burning oxygen, the install combustion inner cover is collected and is not consumed indoor oxygen when waste gas that burning produced is discharged outdoor, use by smoke exhaust pipe, also do not pollute indoor air environment in the closed shell.The utility model is simple in structure, easy for installation, can directly be installed on indoor or other enclosed environment in use, have high safe application performance.

Fig. 1 is the utility model structural representation;

Fig. 2 is embodiment of the present utility model;

Fig. 3 is embodiment of the present utility model;

Fig. 4 is embodiment of the present utility model;

Below in conjunction with accompanying drawing utility model is further described:

A kind of formula gas heater of discharging fume on the air intake of going up, it mainly is made of the burner 4 and the heat exchanger 8 that are installed in the closed shell 7, closed shell 7 outer gas control valve 2 and the water inlet control valves 1 of being equipped with, the air inlet 11 of closed shell 7 upper ends links to each other with blast pipe 13, burning inner cover 9 is installed in closed shell 7, heat exchanger 8 places in the burning inner cover 9, the lower end of burning inner cover 9 is made horn mouth 5 formation combustion chambers 6 and is covered on the burner 4, burning inner cover 9 upper ends have been done exhaust opening 10 and have been linked to each other with smoke exhaust pipe 12, blast pipe 13 and smoke exhaust pipe 12 all stretch out outside the body of wall 14 in house, can be from outdoor input fresh air with to outdoor discharging burnt gas, horn mouth 5 formation combustion chambers 6 also can directly be installed in the lower end of the heat exchanger in being installed on seal casinghousing 78 to cover on the burner 4, the upper end of heat exchanger 8 is directly installed exhaust opening 10 and is linked to each other with smoke exhaust pipe 12, utilize the housing of heat exchanger 8 to collect burnt gas through smoke exhaust pipe 12, the discharge flue 15 of wind and smoke current divider 19 is discharged outdoor, blast pipe 13 and smoke exhaust pipe 12 be installed on outdoor wind and smoke current divider 19 and be connected, the air intake passage 22 that wind and smoke current divider 19 is separated by dividing plate 21 is connected with blast pipe 13, the discharge flue of separating 15 is connected with smoke exhaust pipe 12, blast pipe 13 can adopt mode arranged side by side separately to be connected with wind and smoke current divider 19 with smoke exhaust pipe 12, also smoke exhaust pipe 12 can be set in the blast pipe 13 and be connected with wind and smoke current divider 19, can utilize the heat preheating of combustion product gases to enter fresh air in the blast pipe 13, improve heat utilization efficiency, outlet flue 17 at wind and smoke current divider 19 has been done rain cover 18, on the discharge flue 15 of wind and smoke current divider 19, blind plate 16 is installed, according to the installation site needs, can pull down blind plate 16, blind plate 16 is installed on outlet flue 17 seals outlet flue 17, can regulate the position and the direction of discharging flue gas neatly.The utility model is work like this: open gas control valve 2, open water inlet control valve 1, burner 4 ignition operation reheat heat exchanger 8, outdoor fresh air enters air intake passage 22 by the air inlet 20 of wind and smoke current divider 19, supply with burning oxygen by entering combustion chamber 6 in the blast pipe 13 input closed shells 7 to burner 4 again, the combustion chamber 6 interior burnt gas that produced are outdoor from outlet flue 17 discharges by inner cover 9 collections of burning enter wind and smoke current divider 19 through smoke exhaust pipe 12 discharge flue 15, exported by the outlet pipe 3 of heat exchanger 8 through the hot water of heat exchanger 8 heating and supply the usefulness of living.The utility model is simple in structure, novel, neither consumes indoor oxygen during use, does not also pollute indoor air environment, installation and maintenance are convenient, safe and reliable, be particularly suitable for north cold area, can be directly installed in the bathroom or other sealing place use.

Claims (3)

1. go up smoke evacuation formula gas heater on the air intake for one kind, it mainly is made of the burner (4) and the heat exchanger (8) that are installed in the closed shell (7), outer gas control valve (2) and the water inlet control valve (1) of being equipped with of closed shell (7), the air inlet (11) of closed shell (7) upper end links to each other with blast pipe (13), it is characterized in that: burning inner cover (9) is installed in the closed shell (7), heat exchanger (8) places in the burning inner cover (9), the lower end of burning inner cover (9) is made horn mouth (5) formation combustion chamber (6) and is covered on the burner (4), and burning inner cover (9) upper end has been done exhaust opening (10) and linked to each other with smoke exhaust pipe (12).

2. the formula gas heater of discharging fume on the air intake of going up according to claim 1, it is characterized in that lower end installation horn mouth (5) the formation combustion chamber (6) that is installed on the heat exchanger (8) in the closed shell (7) covers on the burner (4), the upper end of heat exchanger (8) is installed exhaust opening (10) and is linked to each other with smoke exhaust pipe (12).

3. the formula gas heater of discharging fume on the air intake of going up according to claim 1 and 2, it is characterized in that blast pipe (13) is connected with wind and smoke current divider (19) with smoke exhaust pipe (12), the air intake passage (22) that wind and smoke current divider (19) is separated by dividing plate (21) is connected with blast pipe (13), the discharge flue of separating (15) is connected with smoke exhaust pipe (12), and the outlet flue (17) of discharge flue (15) has been done rain cover (18).

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