CN201281372Y

CN201281372Y - Domestic heating boiler

Info

Publication number: CN201281372Y
Application number: CNU2008201331745U
Authority: CN
Inventors: 李亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-09-19
Filing date: 2008-09-19
Publication date: 2009-07-29
Anticipated expiration: 2018-09-19

Abstract

Disclosed is a household heating boiler which is provided with a hearth (2) and a ring outer water jacket (3) surrounding the hearth, and which is characterized in that the upper end of the ring outer water jacket extends inwards and a ring upper wall is formed corresponding to the hearth; the middle of the ring upper wall is a coal feeding inlet (9); the upper part of the coal feeding inlet is communicated with a chimney throat (12); an inner water jacket (5) formed by a spiral coil is arranged above the hearth; the upper end and the lower end of the spiral coil are communicated with the outer water jacket respectively; an outer ring flue (4) is formed between the outer wall of the inner water jacket and the inner wall of the outer water jacket; a horizontal flue (7) is formed between the upper end face of the inner water jacket and the ring upper wall of the outer water jacket; the coal feeding inlet (9) faces to a central passage (14) of the ring inner water jacket. The boiler can reduce the fuel accumulation in the hearth, thus leading the combustion area to be large, oxygen supply to be sufficient, combustion efficiency to be high and water circulation in the water jacket to be fast and energy saving; the boiler also has the advantages of simple structure and low manufacturing cost.

Description

The domestic heating boiler

Technical field

The utility model belongs to a kind of boiler, is specifically related to a kind of domestic heating boiler.

Background technology

The domestic heating boiler that with the coal is fuel can be given the heating of room heater sheet by hot water circuit, and existing this class boiler has exists the higher deficiency of cost, and the structure that has is unreasonable, has that efficiency of combustion is low, the deficiency of expense coal.

Summary of the invention

The technical problems to be solved in the utility model provides a kind of simple in structure, cost is low, efficiency of combustion is high, energy-conservation domestic heating boiler.

The technical scheme that addresses the above problem is (referring to implementing illustration): the utility model is provided with burner hearth (2), annular outer water jacket (3) around burner hearth, it is characterized in that: the outer water jacket of described annular upper end extends internally, formation is with respect to the annular upper wall of burner hearth, the annular upper wall middle part is coal filling hole (9), coal filling hole top is communicated with throat (12), the burner hearth top is provided with the inner water sleeve (5) that is made of spiral coil, the spiral coil top and bottom are communicated with outer water jacket respectively, form outer annular smoke flue (4) between inner water sleeve outer wall and the outer water jacket inwall, form horizontal flue (7) between inner water sleeve upper surface and the outer water jacket annular upper wall, coal filling hole (9) is facing to the central passage (14) of below annular inner water sleeve.

The new using method of this practicality is, from coal filling hole (9) refuelling, fuel enters the burner hearth of bottom by the central passage (14) of inner water sleeve, and part is deposited in the central passage, make inner water sleeve central passage (14) form coal storeroom, because the diameter of lower furnace is greater than the diameter of coal storeroom, make pile up in the burner hearth and coal storeroom in fuel form cone-shaped, leave certain space on every side, coal in the coal storeroom along with the burning in the lower furnace constantly from around tumble downwards, replenish the fuel in the burner hearth, the flue gas that burning produces in the burner hearth is through outer annular smoke flue (4), horizontal flue (7), coal filling hole (9), throat (12) flows out, in this process, in, water in the outer water jacket is heated, and is user's heating.

The formed coal storeroom of the utility model inner water sleeve central passage can play the fuel that disperses in the burner hearth, from the top down replenish automatically fuel in the burner hearth, reduce the effect of the accumulation of fuel in the burner hearth, the burning area of fuel is increased, oxygen supply is abundant, the efficiency of combustion height, accelerate the water circulating speed in the water jacket, have the advantage energy-conservation, simple in structure, that cost is low.

Description of drawings

Fig. 1, the utility model embodiment 1 structural representation

The A-A of Fig. 2, Fig. 1 is to cuing open structural representation

Fig. 3, the utility model embodiment 2 structural representations

Mouth of a river 16-ash hole 17-divides the fire lid under the outer annular smoke flue 5-inner water sleeve 6-bell 7-horizontal flue 8-fire door 9-coal filling hole 10-fire sealing cover 11-stone or metal plate for standing a stove on as a precaution against fire chamber 12-throat 13-filling pipe end 14-15-of coal storeroom of the outer water jacket 4-of 1-fire bars 2-burner hearth 3-

The specific embodiment

This routine boiler cross section rounded (also can be square), fire bars 1 top is a burner hearth 2 in the cavity, and the below is provided with ash hole 16, burner hearth vertically to around be provided with water jacket 3 outside the annular, outer water jacket upper end extends internally, formation is with respect to the annular upper wall of burner hearth, and the annular upper wall middle part is a coal filling hole 9, and coal filling hole is provided with fire sealing cover 10, the coal filling hole top is stone or metal plate for standing a stove on as a precaution against fire chamber 11, throat 12 is located at stone or metal plate for standing a stove on as a precaution against fire chamber sidepiece, and the fire door 8 relative with coal filling hole 9 established on top, stone or metal plate for standing a stove on as a precaution against fire chamber, and fire door is provided with bell 6.

The burner hearth top is provided with the annular inner water sleeve 5 that is communicated with outer water jacket, inner water sleeve is closely arranged by the coil pipe spirality and is constituted, spiral coil upper end 51 and lower end 52 are communicated with outer water jacket respectively, form horizontal flue 7 between inner water sleeve upper surface and the outer water jacket annular upper wall, the inner water sleeve external diameter is less than outer water jacket internal diameter, and form outer annular smoke flue 4 between the outer water jacket inwall, the burner hearth of inner water sleeve bottom can be communicated with the horizontal flue 7 on top by outer annular smoke flue 4.

Inner water sleeve 5 central passages 14 form coal storeroom facing to the coal filling hole 9 on top, the inner water sleeve central passage 14 branch fire lids 17 that are provided with suitable for reading.

Outer water jacket 3 tops are provided with filling pipe end 13, and the bottom is provided with down the mouth of a river 15, are communicated with the heating circulation line respectively.

The using method of this boiler is:

During refuelling, bell 6, fire sealing cover 10 and branch fire lid 17 are taken away, in burner hearth, add fuel, and make inner water sleeve central passage 14 fill up fuel, form coal storeroom, when needing big fire burns, it is suitable for reading to cover inner water sleeve central passage 14 with a minute fire lid 17, again bell 6 is covered fire door 8, opens fire sealing cover 10, throat 12 promptly produces draft, flue gas in the burner hearth is extracted out, and the flue gas in the burner hearth enters horizontal flue 7 by outer annular smoke flue 4, enters chimney by coal filling hole 9 and stone or metal plate for standing a stove on as a precaution against fire chamber 11, fire door 8 also can be put pot, kettle etc., the heat effect of having held concurrently.

In the time of need banking up a fire, cover on coal filling hole 9, and can regulate the burning velocity of fuel in the burner hearth by the switching degree of regulating fire sealing cover with fire sealing cover 10.Also can control burning velocity in the burner hearth by the size of regulating the movable through hole on the fire sealing cover.Because the fuel in the coal storeroom can add in the burner hearth automatically, banking up a fire can reach more than 36 hours.

Some fire bars 1 be contained in two with its axis of rocking in vertical direction on, by shaking turning cylinder fire bars is swung back and forth, the ash in the burner hearth is fallen, draw out from ash hole 16.

Embodiment 2

Referring to Fig. 3, this example is provided with two-layer

inner water sleeve

5a and 5b, every layer of inner water sleeve all is to be made of spiral coil, its top and bottom are communicated with outer water jacket respectively, form outer annular smoke flue 4 between outermost inner water sleeve 5a outer wall and the outer water jacket inwall, leave annular flue 4a between the inner water sleeve, described branch fire lid 17 is arranged on the upper port of center inner water sleeve 5b.

The above; it only is preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction; every foundation technical spirit of the present utility model all still belongs to the protection domain of technical solutions of the utility model to any simple modification, equivalent variations and modification that above embodiment did.

Claims

1, the domestic heating boiler, be provided with burner hearth (2), annular outer water jacket (3) around burner hearth, it is characterized in that: the outer water jacket of described annular upper end extends internally, formation is with respect to the annular upper wall of burner hearth, the annular upper wall middle part is coal filling hole (9), coal filling hole top is communicated with throat (12), the burner hearth top is provided with the inner water sleeve (5) that is made of spiral coil, the spiral coil top and bottom are communicated with outer water jacket respectively, form outer annular smoke flue (4) between inner water sleeve outer wall and the outer water jacket inwall, form horizontal flue (7) between inner water sleeve upper surface and the outer water jacket annular upper wall, coal filling hole (9) is facing to the central passage (14) of below annular inner water sleeve.

2, domestic heating boiler according to claim 1 is characterized in that: coal filling hole (9) is provided with fire sealing cover (10).

3, domestic heating boiler according to claim 2 is characterized in that: coal filling hole (9) top is stone or metal plate for standing a stove on as a precaution against fire chamber (11), and described throat (12) is located at stone or metal plate for standing a stove on as a precaution against fire chamber sidepiece, and the fire door (8) relative with coal filling hole (9) established on top, stone or metal plate for standing a stove on as a precaution against fire chamber.

4, domestic heating boiler according to claim 3 is characterized in that: fire door (8) is provided with bell (6).

5, according to the described domestic heating boiler of the arbitrary claim of claim 1-4, it is characterized in that: described inner water sleeve central passage (14) Fen Huogai of being provided with suitable for reading (17).

6, domestic heating boiler according to claim 5, it is characterized in that: be provided with two-layer or multilayer inner water sleeve (5), every layer of inner water sleeve all is to be made of spiral coil, its top and bottom are communicated with outer water jacket respectively, form outer annular smoke flue (4) between outermost inner water sleeve outer wall and the outer water jacket inwall, leave annular flue (4a) between the inner water sleeve, described branch fire lid (17) is arranged on the upper port of center inner water sleeve.