CN2418428Y - Oil-gas dual-purpose efficient energy-saving normal-pressure water-heating boiler - Google Patents

Abstract

The utility model relates to an oil-gas dual-purpose efficient energy-saving normal-pressure water-heating boiler which is suitable for fuel oil and gas and comprises a boiler body and an oil-gas combustion apparatus. The utility model is characterized in that an inner-ring water tank, an outer-ring water tank and an inner water tank which are communicated with an end-face water tank are arranged in the boiler body to form an inner and an outer two annular spaces, the bottom of the outer annular space is provided with a first combustion chamber, and the back end of the inner water tank in the inner annular space is provided with a second combustion chamber. The utility model can make flame ejected by the oil-gas combustion apparatus obtain sufficient combustion and utilization so as to enhance thermal efficiency and effectively save energy, and the utility model has the advantages of reasonable structural design, low cost, high thermal efficiency and obvious energy-saving effect.

Description

The normal pressure hot-water boiler that oil-gas two-way is energy-efficient

The utility model relates to field of boilers, particularly the architecture advances of normal-pressure hot-water boiler.

Existing fuel oil or gas normal-pressure formula hot-water boiler are heating boiler and drinking water boiler, and general version all adopts a combustion chamber to be burnt by the water tank jet flames that the oil gas burner forms in boiler body.Adopt this traditional combustion system, the shortcoming of existence is that the thermal efficiency is low, using energy source is abundant inadequately.

In order to overcome the shortcoming of above-mentioned prior art, goal of the invention of the present utility model provides a kind of thermal efficiency, energy-efficient normal pressure hot-water boiler of the sufficient oil-gas two-way of using energy source of improving.

In order to reach above-mentioned goal of the invention, the technical solution of the utility model realizes in the following way: the normal pressure hot-water boiler that oil-gas two-way is energy-efficient, it comprises boiler body and oil gas burner.Its design feature is: be provided with interior ring water tank, outer shroud water tank of being made up of double furnace wall and the inner water tank that is become by individual layer furnace wall closed group in the described boiler body.In ring water tank, outer shroud water tank, inner water tank is all ganged up mutually with the end face water tank of boiler body and form inside and outside two annular spaces.The bottom of outer ring space is first combustion chamber.Outer wall over against first combustion chamber, boiler body is provided with the oil gas burner that feeds in it.Interior ring water tank front end is provided with the gap that can make flame be entered interior annular space by outer ring space.The rear end of individual layer furnace wall inner water tank is made as second combustion chamber.Second combustion chamber and each water tank place of ganging up mutually are provided with and can make flame enter gap in it by interior annular space.Be provided with many smoke pipes of number in the inner water tank, the front end of inner water tank binds and is aiutage, can extract the waste gas of second combustion chamber out by smoke pipe, aiutage.Over against first combustion chamber, the boiler body outer wall of second combustion chamber is provided with breast hole.The outer shroud tank outer wall is provided with soil cleaning port, inspection socket, delivery port, exhaust outlet, blowdown cinder notch and advances water return outlet.The outer shroud water tank bottom is connected with base.

According to above-mentioned technical scheme, described make flame enter by outer ring space in the gap form of annular space, ten six roots of sensation that adopt horizontal equity to arrange support water pipe the leading section of right side water tank with interior ring water tank are communicated with; Can make flame enter the gap form of second combustion chamber by interior annular space, eight that adopt horizontal equity to arrange are supported water pipes the left side water tank are communicated with the rearward end of inner water tank.

Because the utility model adopted interior ring water tank, outer shroud water tank, inner water tank in boiler body, and ganged up mutually and formed inside and outside two annular spaces by the end face water tank, inside and outside two annular spaces are respectively as second combustion chamber and first combustion chamber.So that be able to fully burning and utilize by the flame of oil gas burner ejection.The thermal efficiency, energy savings have effectively so just been improved widely.Compare with prior art, have reasonable in design, cost is low, the thermal efficiency is high, the Remarkable Energy Saving characteristics.

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

Fig. 1 is a structural principle schematic diagram of the present utility model;

Fig. 2 is that the A-A of Fig. 1 is to cutaway view;

Fig. 3 is that the B-B of Fig. 1 is to cutaway view.

Referring to Fig. 1-Fig. 3, the normal pressure hot-water boiler that oil-gas two-way is energy-efficient comprises boiler body and oil gas burner.Be provided with interior ring water tank 6, outer shroud water tank of forming by double furnace wall 7 and the inner water tank 5 that becomes by individual layer furnace wall closed group in the boiler body.In ring water tank 6, outer shroud water tank 7, inner water tank 5 is all ganged up mutually with the end face water tank 9 of boiler body and is formed inside and outside two annular spaces.The cross sectional shape ovalize of outer shroud water tank 7, outer ring space, the cross sectional shape of interior ring water tank 6, inner water tank 5 is rounded, is positioned at elliptical center side on the upper side.The bottom of outer ring space is first combustion chamber 2, is provided with the oil gas burner 8 that feeds in it over against the outer wall of first combustion chamber 2, boiler body.In ring water tank 6 front ends be provided with can make flame enter by outer ring space in the gap 21 of annular space, ten six roots of sensation that its gap 21 forms adopt horizontal equity to arrange support water pipe 18 leading section of right side water tank 9 with interior ring water tank 6 are communicated with.The rear end of individual layer furnace wall inner water tank 5 is made as second combustion chamber 12, second combustion chamber 12 and each water tank place of ganging up mutually are provided with and can make flame enter gap 10 in it by interior annular space, and eight of adopting horizontal equity to arrange of its gap 10 forms support water pipes 13 rearward end of left side water tank 9 with inner water tank 5 is communicated with.Be provided with many smoke pipes 19 of number in the inner water tank 5, the front end of inner water tank 5 binds and is aiutage 20, can extract the waste gas of second combustion chamber 12 out by smoke pipe 19, aiutage 20.Boiler body outer wall over against first combustion chamber 2, second combustion chamber 12 is provided with breast hole 11.Outer shroud water tank 7 outer walls are provided with soil cleaning port 14, inspection socket 15, delivery port 16, exhaust outlet 17, blowdown cinder notch 1 and advance water return outlet 4.Outer shroud water tank 7 bottoms are connected with base 3.

When using the utility model, by advancing water return outlet 4 water fillings in each water tank, start oil gas burner 8 by running water pipe.Flame from oil gas burner 8 sprays into first combustion chamber 2 earlier, externally encircles water tank 7, interior ring water tank 6 pre-burnings at outer ring space.Afterwards, annular space internally encircled water tank 6 and inner water tank 5 pre-burnings in flame entered by gap 21, entered second combustion chamber 12 by gap 10 again and burnt away, till abundant fuel oil or fuel gas buring.After burning, the water in the boiler body in each water tank progressively heats.Set breast hole 11, soil cleaning port 14, inspection socket 15, delivery port 16, exhaust outlet 17, blowdown cinder notch 1 etc. are all identical with boiler using method of the prior art on above-mentioned outer shroud water tank 7 outer walls, do not give unnecessary details one by one at this.

What be worth proposition is; in the above-mentioned embodiment; as if making flame enter gap 21 forms of interior annular space and can making flame adopt alternate manner by gap 10 forms that interior annular space enters second combustion chamber 12 by outer ring space; such as changing radical or the connected mode respectively support water pipe 18 and 13, all belong to protection domain of the present utility model such as the technical scheme of a class.

Claims (4)

1, the normal pressure hot-water boiler that a kind of oil-gas two-way is energy-efficient, it comprises boiler body and oil gas burner, it is characterized in that, be provided with the interior ring water tank of forming by double furnace wall (6) in the described boiler body, outer shroud water tank (7) and the inner water tank (5) that becomes by individual layer furnace wall closed group, interior ring water tank (6), outer shroud water tank (7), inner water tank (5) is all ganged up mutually with the end face water tank (9) of boiler body and is formed inside and outside two annular spaces, the bottom of outer ring space is first combustion chamber (2), over against first combustion chamber (2), the outer wall of boiler body is provided with the oil gas burner (8) that feeds in it, interior ring water tank (6) front end is provided with the gap (21) that can make flame be entered interior annular space by outer ring space, the rear end of individual layer furnace wall inner water tank (5) is made as second combustion chamber (12), second combustion chamber (12) and each water tank place of ganging up mutually are provided with and can make flame enter gap (10) in it by interior annular space, be provided with number many smoke pipes (19) in the inner water tank (5), the front end of inner water tank (5) binds and is aiutage (20), over against first combustion chamber (2), the boiler body outer wall of second combustion chamber (12) is provided with breast hole (11), outer shroud water tank (7) outer wall is provided with soil cleaning port (14), inspection socket (15), delivery port (16), exhaust outlet (17), blowdown cinder notch (1) and advance water return outlet (4), outer shroud water tank (7) bottom is connected with base (3).

2, according to the described normal pressure hot-water boiler of claim 1, it is characterized in that, gap (21) form that can make flame enter interior annular space by outer ring space, ten six roots of sensation that adopt horizontal equity to arrange support water pipes (18) leading section of right side water tank (9) with interior ring water tank (6) are communicated with.

3, according to claim 1 or 2 described normal pressure hot-water boilers, it is characterized in that, gap (10) form that can make flame enter second combustion chamber (12) by interior annular space, eight of adopting horizontal equity to arrange support water pipe (13) rearward end of left side water tank (9) with inner water tank (5) are communicated with.

4, according to the described normal pressure hot-water boiler of claim 3, it is characterized in that, the cross sectional shape ovalize of described outer shroud water tank (7), outer ring space, the cross sectional shape of interior ring water tank (6), inner water tank (5) is rounded, is positioned at elliptical center side on the upper side.