CN201121986Y - Circulating energy-saving atmospheric boiler - Google Patents

Abstract

A circulation energy-saving atmospheric hot-water stove is composed of an upper and a lower stove bodies by abutting joint. The lower stove body is positioned above a base surrounding a burning chamber. A steel plate is processed into a lower water jacket provided with a preheating water inlet and a lower drain exit at the surrounding. The upper end of the lower water jacket is communicated with a left and a right water tanks with a clapboard in the middle at two sides of the burning chamber of a hearth. At least one layer of circular heating pipe communicated with the left and right water tanks is provided inside the burning chamber between the left and the right water tanks. One end of the upper layer of the circular heating pipe is provided with a hot water outlet towards the outside of the stove. The upper stove body is installed above the lower stove body. An upper and a lower flues are installed inside the upper stove body surrounding a central flue. An inner and an outer water jackets are respectively installed surrounding the central flue and on the internal wall of the upper stove body. A middle water jacket and a preheating pipe for circulating water are installed inside the flues. One side of the outer water jacket is provided with a water inlet. An upper water jacket is installed inside the upper stove body at one end of an upper water tank and a flue outlet. One side of the upper water tank is provided with a preheating water outlet communicated with a preheating water inlet. The circulation energy-saving atmospheric hot-water stove has the advantages of making full use of heat energy, saving the energy and protecting the environment.

Description

The circulating energy-saving atmospheric hot-water boiler

Technical field:

The utility model relates to feed-water heater, and particularly a kind of water pipe is configured in the circulating energy-saving atmospheric hot-water boiler in burner hearth, fire tube or the flue.

Background technology:

Existing circulating energy-saving water heater generally all is to establish a water jacket between furnace wall and combustion chamber, simultaneously the circulation heating tube that is communicated with water jacket is installed evenly in burner hearth, and water inlet that is communicated with water pipe and the delivery port that is communicated with heating tube are set on body of heater.Though this water heater can reach certain energy-conservation purpose, the heat energy of burning is not all utilized, and a large amount of heat energy enters atmosphere in flue.

Summary of the invention:

The purpose of this utility model is a kind of circulating energy-saving atmospheric hot-water boiler that can make full use of combustion heat energy of design.

The technical solution of the utility model is finished as follows, it includes a water heater, it is characterized in that: water heater is formed by last lower furnace body butt joint, lower furnace body is to be processed into all lower water jackets with steel plate more than the base of combustion chamber periphery, be respectively equipped with preheating water import and down blow mouth to a side on the lower water jacket, the left and right sides water tank of lower water jacket upper end band dividing plate in the middle of the fire box both sides are communicated with, in the combustion chamber, be provided with the circulation heating tube of one deck connection left and right sides water tank at least between the water tank of the left and right sides, upper strata one end of circulation heating tube is provided with hot water outlet outside body of heater, seat has upper furnace body on lower furnace body, central flue periphery is provided with lower flue in the upper furnace body, around central flue and on the upper furnace body inwall, be respectively equipped with inside and outside water jacket, be provided with water jacket in the flue between last lower header and inside and outside water jacket, in circulation, be provided with the economizer bank that is communicated with inside and outside water jacket circulation in the lower flue, the upper and lower side of inside and outside water jacket and middle water jacket is communicated with respectively in last lower header, be provided with the dividing plate that makes the water circulation in the last lower header, a side of water jacket is provided with water inlet outside, in the upper furnace body of upper water box and flue outlet one end, be provided with upper water sleeve, upper water box one side direction body of heater is provided with the preheating water outlet outward, between preheating water outlet and preheating water import, be communicated with tube connector, side at lower header is provided with sewage draining exit, is provided with cleaning door in upper furnace body one side corresponding to central flue bottom.Preheating water mouth of pipe footpath in the last stove flue is less than other water pipe.The utlity model has and utilize heat energy abundant, the advantage of environmental protection and energy saving.

Description of drawings:

Accompanying drawing is a structural representation of the present utility model, and single arrow is represented water (flow) direction among the figure, and double-head arrow is represented the plume direction, and the double wave streakline is represented water pipe.

The specific embodiment:

The utility model is the improvement to existing atmospheric hot-water boiler, body of heater is decomposed into upper furnace body 3 for it and lower furnace body 15 two parts combine, the structure of lower furnace body is that all lower water jackets 17 are installed on the base 20 of combustion chamber 22 peripheries, be respectively equipped with preheating water import 23 and down blow mouth 18 to a side on the lower water jacket, the left water tank 24 and the right water tank 13 of band dividing plate in the middle of fire box 22 both sides above the coal filling hole 16 of lower water jacket upper end are communicated with, be provided with three layers of circulation heating tube 25 that is communicated with left and right sides water tank in the burner hearth between the water tank of the left and right sides, 26,27, outer end at upper strata circulation heating tube 27 is provided with hot water outlet 11 in stove, central flue 8 peripheries of upper furnace body are provided with the last lower flue 29 of circulation, 31, on central flue and upper furnace body inwall, be respectively equipped with inside and outside water jacket 1,4, in cycle flue, be provided with the economizer bank 5 that is communicated with inside and outside water jacket, 7, inside and outside water jacket two ends are communicated with the last lower header 2 and 12 that is located at band central dividing plate in the upper furnace body respectively, be provided with a middle water jacket 6 in the flue between last lower header and inside and outside water jacket, a side direction stove of water jacket is provided with water inlet 9 outward outside, outside upper water box one side direction body of heater, be provided with preheating water outlet 33, in the body of heater of upper water box and central flue outlet end, be provided with a upper water sleeve 34, in the upper furnace body from water inlet to preheating water the last lower header between the outlet, inside and outside water jacket, middle water jacket, circulation is communicated with between upper water sleeve and the preheating water pipe.Be communicated with tube connector 32 through flange 30 between the preheating water import of preheating water outlet and lower furnace body, be provided with sewage draining exit 28 in lower header one side.The utility model can increase preheating water pipe and heating tube according to the size and the water consumption of body of heater in last lower furnace body, to increase circulation, make the more abundant of heat energy utilization, and control flue gas discharge temperature is below 120 ℃.Also can upper furnace body one side corresponding to central flue and circulation on lower flue bottom a cleaning door and plug 10, deashing in the time of can maintaining easily are set.The flow velocity that can also make the bore of preheating water pipe can accelerate this Duan Shui less than the bore of other water pipe when mounted prevents to manage interior scaling.During work, it is combustion-supporting that air enters the combustion chamber from air inlet 19 through grate 21, the gas fume after burning circulation route is shown in double-head arrow 35, it passes in the cycle flue that heating tube enters upper furnace body, from bottom to top, from top to bottom guide atmosphere into again from the outlet of central flue central upper portion, the current route is shown in single arrow 14, water is water jacket 4 outside the water inlet of upper furnace body enters, then successively through upper water sleeve 34, inner water sleeve 1, lower header 12, preheating water pipe 7, the upper water box inboard enters middle water jacket 6, in entering the lower water jacket 17 of lower furnace body, tube connector and preheating water import 23 proceed heating from the outlet 33 of the preheating water of upper water box one side through another preheating water pipe 5 of lower header again, again through left water tank 24 bottoms, lower floor's heating tube 25, right water tank 13 bottoms enter middle level heating tube 26, after left water tank middle and upper part enters upper strata heating tube 27 is drawn by hot water outlet 11 and supply water.The utility model is an example with 700 * 2600mm type of furnace, per hour coal-fired 25 kilograms, can produce 50 degree hot water 10-12 tons, the thermal efficiency reaches 90%, bigger more than 2 times than single hour quantity of heat production of existing water heater, because of it belongs to atmospheric pressure kiln, water temperature is regulated by water yield, the highest water temperature must not be higher than 90 ℃, so adopt not only hydronic mode good energy-conserving effect of multilayer but also safety.

Claims (2)

1, the circulating energy-saving atmospheric hot-water boiler, it includes a water heater, it is characterized in that: water heater is formed by last lower furnace body butt joint, lower furnace body is to be processed into all lower water jackets with steel plate more than the base of combustion chamber periphery, be respectively equipped with preheating water import and down blow mouth to a side on the lower water jacket, the left and right sides water tank of lower water jacket upper end band dividing plate in the middle of the fire box both sides are communicated with, in the combustion chamber, be provided with the circulation heating tube of one deck connection left and right sides water tank at least between the water tank of the left and right sides, upper strata one end of circulation heating tube is provided with hot water outlet outside body of heater, seat has upper furnace body on lower furnace body, central flue periphery is provided with lower flue in the upper furnace body, around central flue and on the upper furnace body inwall, be respectively equipped with inside and outside water jacket, be provided with water jacket in the flue between last lower header and inside and outside water jacket, in circulation, be provided with the economizer bank that is communicated with inside and outside water jacket circulation in the lower flue, the upper and lower side of inside and outside water jacket and middle water jacket is communicated with respectively in last lower header, be provided with the dividing plate that makes the water circulation in the last lower header, a side of water jacket is provided with water inlet outside, in the upper furnace body of upper water box and flue outlet one end, be provided with upper water sleeve, upper water box one side direction body of heater is provided with the preheating water outlet outward, between preheating water outlet and preheating water import, be communicated with tube connector, side at lower header is provided with sewage draining exit, is provided with cleaning door in upper furnace body one side corresponding to central flue bottom.

2, a kind of circulating energy-saving atmospheric hot-water boiler as claimed in claim 1 is characterized in that: go up the interior preheating water mouth of pipe footpath of stove flue less than other water pipe.

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