CN2284367Y - Water/fire compound fuel (gas) atmospheric boiler - Google Patents

Abstract

The utility model relates to a water/fire compound fuel (gas) atmospheric boiler, composed of an inner liner (1), a combustion chamber (2), an outer liner (3), an inner jacket (4), a casing (5) and a flue. 2 to 4 circle-shaped or square water tubes (7) which are connected slantways are arranged in the combustion chamber, which are cross distribution. The water tube is communicated with the medium distance sleeve (8) of the boiler. The surroundings of the top of the furnace chamber are provided with 6 to 10 circle-shaped or square smoke pipes (6). The smoke pipes forms a star shape. The ring-shaped smoke chamber (9) is arranged between the inner jacket and the outer liner. The smoke chamber is communicated with the smoke pipe. The thermal radiation and the convection heat transfer can raise the heat efficiency of the boiler. The utility model is a new boiler of more functions (hot-water, cooking boiled water, bathing, etc.) and high thermal efficiency.

Description

Extreme misery pipe combined type fuel oil (gas) atmospheric pressure kiln

The utility model discloses a kind of extreme misery pipe combined type fuel oil (gas) atmospheric pressure kiln, belongs to a kind of heating boiler.

Known from institute, the kind of heating boiler is a lot, the Industrial Boiler of production usefulness aside from, being used for life heats up water, steamed rice, have a bath, atmospheric pressure kilns such as heating also have many kinds, have horizontal from the form branch, vertical two kinds, from the fuel branch coal furnace and fuel oil (gas) stove etc. are arranged, in the coal-fired vertical atmospheric pressure kiln just series of products such as burning type and double-layer grate retro-combustion of individual layer fire grate are arranged, the returning apparatus heat pipe in the combustion chamber that has, utilize hot pipe technique to improve the thermal efficiency of boiler, the heating flue of the boiler that has manufactures crooked circuitous type, utilize that hot flue gas improves the thermal efficiency in the flue, coal furnace always has the discharging of coal ash flue dust, urban environmental protection strict, the cigarette ash dust discharge of the coal furnace of the numerous species discharging that exceeds standard, become and produce a great problem in the use, the soot emissions of fuel oil (gas) stove reduce naturally, and old-fashioned but the boiler furnace structure is continued to use, the thermal efficiency can not improve.

The purpose of this utility model provides a kind of extreme misery pipe combined type fuel oil (gas) atmospheric pressure kiln, and this boiler reaches no dust emission, and thermal efficiency raising reaches more than 90%.

The utility model is to realize like this, present vertical atmospheric pressure kiln generally is by inner bag (1), combustion chamber (2), outer courage (3), interior cover (4), furnace shell (5) and flue (6) consist of furnace binding, the novel essential feature of this reality is a) in the inner bag combustion chamber, be provided with the circular or oblique water pipe connecting of square cross-distribution (7) of 2-4 root according to the different capabilities boiler, water pipe is communicated with boiler water medium spacer (8), b) inside of boiler and outside form aqueous medium spacer (8) between the courage and be called in the boiler body, according to the different capabilities boiler, around roof of the furnace, be provided with the smoke pipe (6) that the circular or square star of 6-10 root distributes, smoke pipe picks out the back bending from roof of the furnace and is communicated with hoop smoke-box (9) to bottom of furnace body vertically downward, c) form heat-insulation layer (10) between boiler jacket (5) and the interior cover (4), makeup ring is to smoke-box (9) between interior cover (4) and the outer courage (3), chimney (11) runs on the hoop smoke-box, constitute the complete heated face structure of boiler furnace like this, the horizontal water pipe of the cross-distribution that is provided with in the combustion chamber, does not wait in the height of each water pipe and cross section, its caliber can be selected in φ 100mm-φ 300mm, the hyperthermia radiation district increases the about 28-38% of heat transfer area in the combustion chamber, because radiant heat transfer efficient is higher than the convection heat transfer' heat-transfer by convection several times, increase horizontal water pipe in the combustion chamber, can realize the effect that high efficiency boiler conducts heat, water pipe in the while inner bag (combustion chamber), also can strengthen the rigidity of flue, the high-temperature flue-gas that flows to smoke pipe (road) in the combustion chamber is very high, make good use of release heat in the high-temperature flue gas convection current, it also is the method that improves boiler thermal output, measure is the way that increases high-temperature flue, and form convection current with aqueous medium, the 6-10 root smoke pipe of star arrangement around the roof of the furnace that the utility model is set up, caliber can be selected in φ 85mm-φ 95mm, high-temperature flue gas is 100% reverse entering among the low-temperature space aqueous medium spacer in smoke pipe, reverse counterflow is to bottom of furnace body, the convection heat transfer' heat-transfer by convection area increases about 40%, high-temperature flue gas in smoke pipe with the convection heat transfer' heat-transfer by convection of cryogenic media water gross area, both temperature difference are big, the heat transfer efficiency height, smoke pipe is communicated with hoop smoke-box bottom at bottom of furnace body, the inwall of hoop smoke-box is outer courage, outer courage is again the outer wall of aqueous medium spacer, high-temperature flue gas enters the following current that makes progress of hoop smoke-box and forms convection current with aqueous medium again, heat is passed to aqueous medium, discharge chimney then, the high-temperature flue gas convection heat transfer' heat-transfer by convection is through furnace internal-lining → smoke pipe → three backhauls of hoop smoke-box like this, improved heat transfer efficiency greatly, therefore the thermal efficiency of the present utility model reaches more than 90%, supplementary features of the present utility model are that boiler bottom is provided with an explosion-proof valve, to be an explosion stack (12) pass to outside the furnace bottom under the central vertical at the bottom of the burner hearth structure of valve, explosion stack (12) mouth of pipe is equipped with valve gap (13) outward and asbestos pad (14) is closed ferrule, valve gap has a spring (15) and adjusting nut (16) outward, valve gap, spring, adjusting nut coexists on the axis, there is screw rod (17) at the axle center, screw rod vertically is fastened on the interior fixed bar (18) of explosion stack, another supplementary features are that the insulating part that the metal electrode (20) of electric pole type water gauge is connected with cylindrical shell (21) is a teflon sleeve (19), sleeve pipe has an internal thread through hole, external diameter has step, the lower semisection microcephaly has external screw thread, be threaded with simplified all the employing with metal electrode, and fixing with nut (22).

With Figure of description the utility model is further specified below,

Accompanying drawing 1 is the utility model structure;

Accompanying drawing 2 is the smoke pipe layout drawing;

Accompanying drawing 3 is the explosion-proof valve structure;

Accompanying drawing 4 is the electrode of electric pole type water level and simplified connection layout,

With reference to the accompanying drawings 1, (1) is inner bag among the figure, and (3) are outer courage, inner bag and outer courage Between form aqueous medium spacer (8) and be called boiler body, (2) are the boiler in the inner bag The combustion chamber arranges the oblique connecting water pipe of 2-4 root cross-distribution (7) in the combustion chamber, Top, combustion chamber is called burner hearth, and smoke pipe (6), outer courage (3) are set around the roof of the furnace And makeup ring is to smoke-box (9) between the inner sleeve (4), and inner sleeve (4) is organized with furnace shell (5) Become heat-insulation layer (10), chimney (11) is arranged at the body of heater top, and with reference to the accompanying drawings 2, the body of heater combustion Oblique water pipe (7) is distributed in differing heights and the different cross section and becomes cross-distribution in the burning chamber, Smoke pipe (6) is star and distributes around roof of the furnace, accompanying drawing 3 expression anti-explosion valve structures, (12) be explosion stack, (13) are valve gap, and (14) are asbestos pad, and (15) are bullet Spring, (16) are adjusting nut, and (17) are the secured adjusted screw rod, and (18) are for fixing Bar, accompanying drawing 4 are that the electrode of the electric pole type water gauge of device outside body of heater is connected with simplified Diagram, (20) are electrode among the figure, and (21) are simplified, and (19) are polytetrafluoroethylene (PTFE) Sleeve pipe, (22) are hold-down nut.

Embodiment: the utility model of making of 1-4 with reference to the accompanying drawings, boiler capacity is made as 150,000 kilocalories, 3 circular horizontal water tubes are set in the inner bag combustion chamber, caliber is φ 150mm, the combustion chamber heat transfer area increases by 30%, and the smoke pipe that roof of the furnace star distributes is provided with 8, and caliber is φ 89mm, the convection heat transfer' heat-transfer by convection face increases by 36%, and body of heater all adopts stainless steel material.

The utility model is extreme misery pipe combined type fully automatic fuel-oil (gas) normal-pressure boiler, multiple functions such as energy heat supply water, boiling water, boiling, the furnace binding design is unique, and the thermal efficiency is greater than 90%, and burner hearth is provided with Explosion-proof valve, guarantee safety, the water gauge simple structure, easily manufactured, cost reduces, be that a kind of function is many, the novel boiler for domestic that the thermal efficiency is high.

Claims (5)

1, a kind of extreme misery pipe combined type fuel oil (gas) atmospheric pressure kiln of being made up of inner bag (1), combustion chamber (2), outer courage (3), interior cover (4), shell (5) and flue (6) is characterized in that:

A). in the inner bag combustion chamber, according to the different capabilities boiler, be provided with the circular or oblique water pipe connecting of square cross-distribution (7) of 2-4 root, water pipe is communicated with boiler water medium spacer (8),

B). inside of boiler and outside form aqueous medium spacer (8) between the courage and be called in the boiler body, according to the different capabilities boiler, around roof of the furnace, the smoke pipe (6) that the circular or square star of 6-10 root distributes is set, smoke pipe picks out the back bending from roof of the furnace and is communicated with hoop smoke-box (9) to bottom of furnace body vertically downward

C). form heat-insulation layer (10) between boiler jacket (5) and the interior cover (4), makeup ring is to smoke-box (9) between interior cover (4) and the outer courage (3), and chimney (11) runs on the hoop smoke-box.

2, extreme misery pipe combined type fuel oil according to claim 1 (gas) atmospheric pressure kiln, it is characterized in that boiler bottom is provided with an explosion-proof valve, to be an explosion stack (12) pass to outside the furnace bottom under the central vertical at the bottom of the burner hearth explosion-proof valve structure, explosion stack (12) mouth of pipe is equipped with valve gap (13) outward and asbestos pad (14) is closed ferrule, valve gap has a spring (15) and adjusting nut (16) outward, valve gap, adjusting nut coexist on the axis, there is screw rod (17) at the axle center, and screw rod vertically is fastened on the interior fixed bar (18) of explosion stack.

3, extreme misery pipe combined type fuel oil according to claim 1 and 2 (gas) atmospheric pressure kiln, it is characterized in that the insulating part that the metal electrode (20) of electricity level formula water gauge is connected with cylindrical shell (21) is a teflon sleeve (19), sleeve pipe has an internal thread through hole, external diameter has step, the lower semisection microcephaly has external screw thread, be threaded with simplified all the employing with metal electrode, and fixing with nut (22).

4, extreme misery pipe combined type fuel oil according to claim 1 (gas) atmospheric pressure kiln is characterized in that being provided with in the inner bag combustion chamber oblique horizontal water tube caliber at φ 100mm-φ 300mm, and the smoke pipe caliber of roof of the furnace is at φ 85mm-φ 95mm.

5, according to claim 1 or 4 described extreme misery pipe combined type fuel oil (gas) atmospheric pressure kilns, it is characterized in that being provided with in the inner bag combustion chamber 3 circular horizontal water tubes, caliber φ 150mm, roof of the furnace smoke pipe (6) is provided with 8 smoke pipes, caliber φ 89mm, heat size is at 120,000 kilocalories.

Images