CN2570686Y

CN2570686Y - Domestic hot-water coal boiler

Info

Publication number: CN2570686Y
Application number: CN 02251987
Authority: CN
Inventors: 郭林; 王亚钧; 王宏图
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-08-27
Filing date: 2002-08-27
Publication date: 2003-09-03
Anticipated expiration: 2012-08-27

Abstract

The utility model relates to a domestic hot-water coal boiler which belongs to the industry of boilers. The utility model is characterized in that boiler is formed by assembling an upper part and a lower part, wherein the lower part comprises a fire grate 11 at the bottom of the boiler, wherein the middle of a first section 9 of an annular boiler barrel is a burning chamber 10, and the upper end of the first section 9 of the boiler barrel is annular, and the middle of the upper end of the first section 9 of the boiler barrel is a star-shaped hollow ring 8; the upper part of the boiler comprises that a second section 5, a third section 4 and a forth section 3 of the boiler barrel, wherein the second section 5, the third section 4 and the forth section 3 of the boiler barrel are arranged in the boiler wall in turn from top to bottom; the first section, the second section, the third section and the forth section of the boiler barrel are communicated in turn; heat absorbing plates 7 are vertically are arranged on the inner wall of the second section 5 of the boiler barrel in turn; the middle at the upper part of the second section 5 of the boiler barrel is provided with a channel in which fume passes. The utility model has the advantages that the corrosion-resisting property of a product is improved, the service life of the product is prolonged, the coal adding frequency is reduced, the fire sealing time is prolonged, the burning restoration is quick, the combustible gas in the fume in the hearth can be sufficiently burnt to improve and the heat efficiency, and the dust content in the fume is reduced at the same time.

Description

Home-use coal-fired hot-water boiler

Technical field

The utility model relates to boiler industry, specifically a kind of domestic small coal-fired hot-water boiler.

Background technology

Along with the raising of living standards of the people, small size hot-water boiler has entered in the man of urban and rural residents, particularly is difficult for the vast rural area of central heating, heat supply, and single household disperses the small size hot-water boiler of operation to increase gradually.Chinese patent 95206985 discloses a kind of honeycombed multifunctional vertical boiler, form by body of heater, water tank, flue tube, outlet flue etc., the body of heater bottom is provided with the combustion chamber, vent, grate, Hui Men, in, top is the endothermic water tank, being provided with in the middle of the body of heater is vertically arranged in parallel forms favose flue tube, and the flue tube lower end is passed endothermic water tank's base plate and is communicated with the combustion chamber, is the water jacket that is communicated with the endothermic water tank around the combustion chamber; The flue tube upper end is passed endothermic water tank's top board and is entered the chamber of strile-bacing, the water jacket for being communicated with the endothermic water tank around the chamber of strile-bacing; Narrow meshed fire sealing cover and prevent flue gas that flue gas heat the runs off circle that strile-backs in the middle of indoor being provided with of strile-bacing; Hollow waste heat water cover is set above body of heater, and this installs conservation, and fume amount is few, but complex structure, inconvenient processing and manufacturing, in addition because furnace chamber adopts steel material processing, the cost height, rotproofness is poor, and the coal slime that is not suitable for burning is used.

Summary of the invention

The utility model provides a kind of home-use coal-fired hot-water boiler that adopts casting technique processing, and is cheap, rational in infrastructure, corrosion-resistant, long service life.

The utility model is achieved in that boiler is assembled by two parts up and down; The lower part comprises: boiler bottom is a grate 11, and the middle part that annular drum is a section 9 is combustion chamber 10, and the upper end that drum is a section 9 is that annular and middle part are starlike cavity ring 8; The upper boiler branch comprises: be followed successively by drum in the furnace wall from bottom to top two section 5, three section 4 of drum, four section 3 of drum, one, two, three, four sections orders of described drum are communicated with, drum is provided with water inlet 12 for one section, and drum is provided with the delivery port 17 and the exhaust pressure relief mouth of pipe 2 for four section 3, is provided with vertical tactic absorber plate 7 on the inwall of two section 5 in pot bucket, the upper middle position that drum is two section 5 was provided with the passage of flue gas, and the below of described passage is provided with reflecting plate 6; Combustion chamber one side in two section 5 of drum is provided with wind-supplying mouth 15.

Compare with existing home-use hot-water boiler, the beneficial effects of the utility model are: at first selected cast iron for use on the material, improved the decay resistance of product, can prolong product service life, take split casting on the structure, the combination assembling can be formed (the heating of multipurpose vertical stove, heat supply water, bathing), one-tenth multipurpose household oven also capable of being combined (cooking, heat supply water, heating, bathing), form kind, the series of products of multi-sizeization adopt big capacity burner hearth, many backhauls flue, be provided with and regulate air-makeup system, reduced the stoking number of times, prolonged fire-sealing time, and resume combustion is rapid, in the starlike cavity ring of combustion chamber upper design, increase heat-transfer surface, improve thermal power, at the indoor employing reflecting plate of second-time burning, the utilization heat radiation principle, can make that fuel gas is fully burned in the burner hearth flue gas, improve the thermal efficiency, reduce dust content in the flue gas simultaneously.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the B-B profile of Fig. 1.

The specific embodiment

Fig. 1, shown in Figure 2, a kind of home-use coal-fired hot-water boiler is among the figure: 1, furnace roof, 2, the exhaust pressure relief mouth of pipe, 3, drum is four sections, and 4, three sections of drums, 5, two sections of drums, 6, reflecting plate, 7, absorber plate, 8, cavity ring, 9, drum is one section, and 10, the combustion chamber, 11, grate, 12, water inlet, 13, clean-out door, 14, firing door, 15, wind-supplying mouth, 16, shoot door, 17, delivery port.

The utility model is split type, and upper and lower two parts of body of heater are casting respectively, then installs and fixes together.Body of heater is cylindrical, drum is communicated with for one, two, three, four sections from bottom to top, each section be again independent be filled with water, the endothermic water tank, comprise the cavity ring 8 that is communicated with sidewall at the top of one section in stove tube, it can increase the caloric receptivity that is heated water in one section in the stove tube when the elevated temperature heat flue gas rises.Upper of furnace body is divided the inwall of two section 5 of drum, many absorber plates that have been vertically arranged in parallel, and its effect also is to increase heated caloric receptivity in two sections of the drums, improves the thermal efficiency.Regain gradually on the top that drum is two section 5, form a flue than minor diameter, reflecting plate 6 is horizontally fixed in the circular flue that is surrounded by absorber plate 7 in two section 5 of the drum by pull bar and bolt, its effect is to prevent that flue gas heat runs off, and flue gas is hindered back, simultaneously unburnt coal dust in the flue gas is hindered back, gap from the reflecting plate side along absorber plate rises again, by the thermal radiation effect, it is fully burnt, guarantee that absorber plate can absorb abundant heat.The top that drum is three sections is provided with 3 circular flues than minor diameter, and after flue gas entered four sections of drums, flue of establishing in the middle of it rose, and to furnace roof, emerges from the chimney of furnace roof again.

Boiler is opened the water inlet 12 that is located at one section below of drum in use earlier, water is injected in one, two, three, four sections of the drums, again fuel is joined in the combustion chamber 10 from firing door 14, during fire fuel, flue gas rises along the hole of cavity ring 8 in 10 from the combustion chamber, enter in the flue in two sections of the drums, after withstanding reflecting plate 6, from the gap of the side of reflecting plate 6 and vertical absorber plate 7, pass, rise to three sections inner flues of drum, then enter four sections inner flues of drum, emerge the chimney from furnace roof 1 at last; Simultaneously the water in one, two, three, four sections of the drums is heated.

Above body of heater, be provided with Pressure gauge, and the exhaust pressure relief mouth of pipe 2, the delivery port 17 of body of heater top connects the heat supply caliduct.The wind-supplying mouth 15 that can regulate size is located at a side-lower of two sections outer walls of drum, also is respectively equipped with 3 shoot doors 16 on the sidewall of two, three, four sections of drums.Below combustion chamber of furnace body, be provided with clean-out door 13, the function of mending wind also can be arranged simultaneously.

Hollow disc 8 and the monoblock cast of body of heater bottom are finished, and the starlike recessed breach quantity in the middle of it can become 6 according to the size design of body of heater, and 8,10,12 etc.

When body of heater is installed, under grate, can set out the pit or the case of slagging tap.

Change a little the utility model body of heater lower part, can do daily the cooking of family of suitable pluralities of fuel and use stove, and have the function of heat supply water concurrently.

Claims

1, home-use coal-fired hot-water boiler is characterized in that: boiler is assembled by two parts up and down; The lower part comprises: boiler bottom is grate (11), and the middle part of annular drum one section (9) is combustion chamber (10), and the upper end of drum one section (9) is that annular and middle part are starlike cavity ring (8); The upper boiler branch comprises: be followed successively by two sections of drums (5) in the furnace wall from bottom to top, three sections of drums (4), four sections of drums (3), one, two, three, four sections orders of described drum are communicated with, drum is provided with water inlet (12) for one section, drum four sections (3) is provided with the delivery port (17) and the exhaust pressure relief mouth of pipe (2), on the inwall of pot bucket two sections (5), be provided with vertical tactic absorber plate (7), the upper middle position of drum two sections (5) was provided with the passage of flue gas, and the below of described passage is provided with reflecting plate (6); Combustion chamber one side in drum two sections (5) is provided with wind-supplying mouth (15).