CN2341076Y

CN2341076Y - Coal heating boiler

Info

Publication number: CN2341076Y
Application number: CN 98212649
Authority: CN
Inventors: 张建国
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-04-17
Filing date: 1998-04-17
Publication date: 1999-09-29
Anticipated expiration: 2008-04-17

Abstract

The utility model relates to an improved coal burning heating boiler. The utility model is characterized in that a heat exchanger of the boiler is formed from shaped-product cast iron heating radiators which are connected into blocks in series and are arranged at the upper part of a boiler cavity; the heat exchanger is communicated with an outer water jacket which is used as a part of a boiler body; a hot water jacket can be also arranged on the outer water jacket and outside a flue. Thus, the utility model has the advantages of low production cost, high heat efficiency and strong practicability, and is suitable for units with middle and small areas for heating.

Description

A kind of coal-fired heating boiler

The utility model relates to coal-burning boiler, particularly a kind of coal-fired heating boiler.

Existing coal-fired heating boiler is various informative, and structure is different.Its heat exchanger mainly is that seamless steel pipe is bent into or welds the heat-exchange tube that system forms.For fear of the body of heater dissipated heat, improve the thermal efficiency, what generally adopt is thermal insulation furnace body.These furnace type structures are complicated, and the production cost height also is not suitable for medium and small heating area unit and uses.

It is a kind of simple in structure that the purpose of this utility model will provide exactly, and production cost is lower, the high and convenient and practical coal-fired heating boiler of the thermal efficiency.

For this reason and the design coal-fired heating boiler, by coal-fired furnace cavity and on heat exchanger, flue and body of heater constitute, its heat exchanger is for being connected in series in groups, the perpendicular cast iron central heating radiator that places on the coal-fired furnace cavity, the water inlet of cast iron central heating radiator and delivery port communicate with the outer water jacket of formation part body of heater, and outer water jacket has oral siphon and outlet pipe.

The utility model adopts the respond well approved product cast iron central heating radiator serial connection of heat exchange in groups as the boiler hot interchanger, has the advantage that technology is simple, production cost is low, and adopt the design of outer water jacket furnace more to reduce thermal loss simultaneously, improved the thermal efficiency of boiler greatly.

In order to reclaim heat energy, reduce the flue thermal loss, flue of the present utility model is outer can to have hot water jacket to place on the outer water jacket.Hot water jacket has water inlet and delivery port in addition, adding outer water jacket or other heat supply water after the cold water preheating again.

As embodiment of the present utility model, the outer water jacket of coal-fired heating boiler can communicate with its upper flue hot water jacket outward and be integral, and oral siphon is arranged at outer water jacket bottom, and delivery port is arranged at hot water jacket top, and is warm to realize the single cycle hydromining.

On the foregoing description basis, also heat exchange coil can be set in hot water jacket, heat exchange coil has water inlet end and water side in addition, so that life hot water to be provided when the heating.

In order to improve practicality, satisfy people's life requirement, the coal-fired furnace cavity of the coal-fired heating boiler of the utility model can be the monomer that places the body of heater bottom, it has the roller or the slide rail that can make coal-fired furnace cavity shift out and return body of heater down.Coal-fired furnace cavity shifts out that body of heater can be cooked, cooking like this; But return the body of heater heat supply heating.

Embodiment describes the utility model in detail below in conjunction with accompanying drawing.

Fig. 1 is one of a utility model embodiment schematic diagram.

Fig. 2 is two schematic diagrames of the utility model embodiment.

Fig. 3 is three schematic diagrames of the utility model embodiment.

As shown in Figure 1, the coal-fired heating boiler of the utility model is by coal-fired furnace cavity 5, cast iron central heating radiator heat exchanger 7 and constitute partly the outer water jacket 8 of body of heater and form, the water inlet 6 of cast iron central heating radiator heat exchanger 7 and delivery port 9 communicate with outer water jacket 8, and outer water jacket 8 bottoms have oral siphon 2, top that outlet pipe 10 is arranged.There is hot water jacket 11 to utilize waste heat above the outer water jacket 8 around flue 12.The fire grate of coal-fired furnace cavity 5 has ash hole 13 times, on coal feeding hole 4 is arranged.

As shown in Figure 2, among this embodiment, outer water jacket 8 and hot water jacket 11 communicate up and down and are one, and oral siphon 2 is arranged at outer water jacket 8 bottoms, and delivery port 10 is arranged at hot water jacket 11 tops.Coal-fired furnace cavity 14 is monomer independently, and there is slideway 19 its bottom surface, utilizes handle 13 coal-fired furnace cavity 14 can be shifted out to cook, cooking.And coal-fired furnace cavity 14 is pushed body of heater, stove fire is water jacket 8 and hot water jacket 11 outside cast iron central heating radiator heat exchanger 7 and flue 12 are passed to heat then.

As shown in Figure 3, outer water jacket 8 communicates up and down with hot water jacket 11 and is one, and cold water advances from oral siphon 2, through outside after water jacket 8, cast iron central heating radiator heat exchanger 7 and hot water jacket 11 heat exchange, hot water is sent from delivery port 10.Flue 12 is outer, heat exchange coil 17 is arranged in the hot water jacket 11, cold water from water inlet end 16 advance, hot water 18 goes out from the water side.

The body of heater of this utility model coal heating stove and burner hearth can be justified can be square.Body of heater and outer water jacket, hot water jacket also can add heat-insulation layer outward in addition.

Claims

1, a kind of coal-fired heating boiler, by coal-fired furnace cavity, heat exchanger on it, flue and body of heater constitute, it is characterized in that said heat exchanger is for being connected in series in groups, erecting the cast iron central heating radiator that places on the coal-fired furnace cavity, its water inlet and delivery port communicate with the outer water jacket of formation part body of heater, and outer water jacket has oral siphon and outlet pipe.

2, coal-fired heating boiler according to claim 1 is characterized in that said flue heat in the exterior water jacket places on the outer water jacket, and hot water jacket has water inlet and delivery port in addition.

3, coal-fired heating boiler according to claim 1 is characterized in that the outer hot water jacket of said outer water jacket and its upper flue communicates to be integral that oral siphon is arranged at outer water jacket bottom, and delivery port is arranged at hot water jacket top.

4, coal-fired heating boiler according to claim 3 is characterized in that in the said hot water jacket heat exchange coil being arranged, and heat exchange coil has water inlet end and water side in addition.

5, coal-fired heating boiler according to claim 1 and 2 is characterized in that said coal-fired furnace cavity is the monomer that places the body of heater bottom, and it has the roller or the slide rail that can make coal-fired furnace cavity shift out and return body of heater down.