CN2132126Y - Controllable hot flue boiler heated in cyclone combustion - Google Patents

Abstract

The utility model discloses a controllable hot flue vertical boiler heated in cyclone combustion for exchanging heat. A pot and an oven are divided into two parts, and are connected by semicircle pipes and fastened by hanging ring bolts. An air branching ring is provided with four air distributing ducts, a shell is integrally welded with a tube in the oven, and is poured with a fire-resistant concrete oven lining after being connected by reinforcing ribs. The oven lining is provided with a circular arch with an inner tube made from fire-resistant materials. The air distributing outlet of an air branching box is jointed with the air inlet of the air branching ring in an abutting mode. Because of distributed air being heated, the distributed air can be combusted in cyclone mode without a blower fan. The center and the top plate of the pot are welded with an annularly arranged heat pipe team, and because of the good heat exchanging performance of the heat pipes and fire tubes annularly arranged in an outer circle, the flows of smoke and water are relatively reasonable.

Description

Controllable hot flue boiler heated in cyclone combustion

The utility model is about vertical boiler, particularly a kind of vertical boiler that fires control cyclone firing heat pipe heat exchanging.

The vertical boiler floor space is little, and is simple in structure, and the stoker is convenient, is the life use stove of general unit indispensability, but owing to the manual coal reasons such as the furnace water cooling degree is low again of throwing, smoke discharge amount is very big, is dismissed as " chongtian mortar " and classifies forbidding as.For transforming this stove, though have many schemes, stove kind to come out, effect is not quite desirable, as typing " double-layer grate " and " destructive distillation reflection " stove in usefulness, prevent and treat purpose though can reach flue dust under certain condition,, burn at individual layer mostly because of ature of coal, the factor of operating and exert oneself etc.For improving the applicable performance of upright stove, Chinese patent proposes a kind of " combustion control cyclone firing equipment ", and (patent No.: 87205870) this scheme is for protecting component of combustion, above grate, be provided with a refractory material and make the garden arch of band inner core, the ash chamber disposes a draught distributing box first, air blast is divided into the air-supply under the fire grate and the air distribution of furnace cavity, cause cyclone firing, effect is better, can burn the more mixed coal of last youngster, soot emissions do not exceed standard, but must air blast, otherwise just lose smoke effect, this is unallowed there not being electricity maybe can not be with air blast the time.

The purpose of this utility model provides a kind of improved vertical boiler, promptly will prevent and treat coal-smoke pollution, improves the thermal efficiency, and processing performance is good again, be easy to produce in batches, and Operation and maintenance is not difficult.

The purpose of this utility model is achieved in that combustion apparatus (stove) and heat exchanging part (pot) is divided into two joint assemblings, and done improvement respectively.Stove exists " combustion control cyclone firing equipment; " set up a branch vane on the basis, fire grate is seated on three holder iron in this minute vane, the dark ash entrance chamber of draught distributing box, its air distribution outlet is docked with the air inlet that divides vane, divide vane upper furnace door two side positions to be evenly equipped with four air distribution roads, air distribution road shell and body of heater inner core are welded as a whole, connect back cast refractory concrete furnace lining with reinforcement, the outlet of four air distribution roads same in furnace lining the garden tangential direction, the garden arch sealing of band inner core is made in this outlet top by refractory material, garden arch endoporus becomes up big and down small taper, and its minimum diameter strengthens percent 5-10, like this, burner hearth becomes one by the refractory material sealing, is independent of the combustion chamber of heat-transfer surface.Because air distribution is heated in a minute vane, air distribution road and outlet, there has been temperature that the power that rises has also just been arranged, this dynamic hot-air is blown into from four same tangent lines of outlet, not only exempted the shortcoming of in stove, blowing a cold wind over, and certain cyclone firing ability arranged also without blower fan the time, thereby the furnace cavity combustible is fully burned on the one hand, and eddy flow can make big dust particle stay in the stove on the other hand.

Another improvement of the present utility model is to have adopted known hot pipe technique, heat pipe colony circularizes and is arranged on pot top board of heart pot, because the superperformance of its heat conduction circularizes layout again, attached wall rises around the current tendency fire tube after being heated, water at low temperature is descended by the center, and current are reasonable; The high-temperature flue gas that comes on the garden arch endoporus washes away to return downwards into the fire tube that also circularizes layout behind the heat pipe and enters chimney, and plume is also more reasonable.Especially return into before the fire tube because of volume enlarges, flow velocity reduces, and can dial the tempering bed by shoot door (not marking among the figure) at any time with the part dust settling on the arch of garden again; Water outlet almost pipe is welded on the stove roof plate center, is of value to the hot water afflux.The utility model with upright stove the preceding relatively, smoke abatement is prevented and treated better performances, outside the thermal efficiency is higher,, not only be easy to make, transportation needn't drop to the ground because that pot and stove adopt is in bulk, thereby furnace insulation can finish in factory, and be easy to decompose and keep in repair; Because the employing of hot pipe technique increasing heating surface, has but reduced the heat exchange requisite space when improving heat exchange efficiency, has increased the boiling water capacity; Deashing on the utility model smoke box adopts three garden shape cleaning doors, makes door with the cast iron garden lid of floating pendulum, and deashing is convenient, and structure is also very simple.

Concrete structure of the present utility model is provided by following examples and accompanying drawing thereof.

Fig. 1 is the front section view of the combustion control cyclone firing heat pipe oven that the utility model proposes.

Describe details and working condition thereof in detail below in conjunction with Fig. 1 according to the concrete structure that the utility model proposes.

This boiler divides two joints to combine by pot (10) and stove (4), pot is sitting on the stove, connect the water route by two cover half garden pipes (8), flanged pipe (9), by three cover connection seat (21), hangers (22) and the spacing and tightenings of suspension bolt (20), by asbestos packing (23) sealing.

A branch vane (3) is arranged in the stove (4), fire grate (29) is seated in and divides therewith on three holder iron (28) that vane is welded as a whole, the air distribution outlet of draught distributing box (1) is docked with the air inlet that divides vane (3), split-wind plate (2) in the draught distributing box and controlling organization (not marking among the figure) thereof are divided into the air-supply under the fire grate and the air distribution of furnace cavity with air blast, divide vane (3) upper furnace door two side positions, uniform four the air distribution roads (26) that are welded with, air distribution road shell (25) is welded as a whole with body of heater inner core (5), connect with reinforcement (7) between the air distribution road (25), in order to avoid refractory concrete furnace lining (6) comes off, during air distribution road (26) outlet (24) cast refractory concrete furnace linings (6) by die forming, the same direction in its Way out tangent line garden in furnace lining (6), be located a refractory material on the furnace lining (6) and make the garden arch (27) of band inner core, with the burner hearth sealing is an independently combustion chamber, adjust split-wind plate (2) position according to flame rotation situation and flame color during burning, make the air distribution landscape be adapted to required the measuring of furnace cavity combustible burning, increase air distribution and also promptly reduce the beneath air-supply of fire grate, the combustible that the grate redox is generated also reduces immediately, otherwise then opposite, thereby burning is included under may the controlling of people.

A pot heart pot (13) is arranged in the utility model stove, be welded with heat pipe (12) colony that is circular layout on its pot top plate, be with fire tube (11) group who also circularizes layout outside it, high-temperature flue gas returns downwards into fire tube (11) after washing away heat pipe colony, enters chimney (17) through smoke box (14); Water outlet almost pipe (18) is welded on the center of pot top plate (19), is of value to the hot water afflux; Shoot door on the smoke box (14) is three garden shape cleaning doors (15), makes door with the cast iron garden lid (16) of floating pendulum.

Claims (5)

1, vertical boiler, particularly combustion control cyclone firing heat pipe oven is characterized in that: adopt pot (10) to be sitting in the joint of two on the stove (4) package assembly, connect the water route by half garden pipe (8), flanged pipe (9).Pay (20) spacing and tightening with connection seat (21) hangers (22) and suspension bolt, a branch vane (3) is arranged in the stove (4), fire grate (29) is seated on three holder iron (28) of this minute vane, draught distributing box (1) is deep into grey chamber, its air distribution outlet is docked with the import that divides vane, divide on the vane (3) four air distribution roads (26) are arranged, air distribution road shell (25) is welded as a whole with stove inner core (5) and is connected back cast refractory concrete furnace lining (6) by reinforcement (7), the same direction in air distribution outlet (24) tangent line garden in furnace lining (6), being located a refractory material on the furnace lining (6) and making the garden arch (27) of band inner core, is an independently combustion chamber with the burner hearth sealing; In the pot (10) a pot heart pot (13) is arranged, be welded with heat pipe (12) colony that circularizes layout on its top board.Fire tube (11) around the pot heart pot also circularizes layout; Pot top plate (19) center is welded with water outlet (almost) pipe (18); Three garden shape cleaning doors (15) are arranged on the smoke box (14), make door with the cast iron garden lid (16) of floating pendulum.

2, combustion control cyclone firing heat pipe oven according to claim 1 is characterized in that: the refractory concrete castable is used in air distribution outlet (24).

3, combustion control cyclone firing heat pipe oven according to claim 1 is characterized in that: connection seat (21), hangers (22) and suspension bolt pay the spacing tightening device of (20) forming adopt three groups 120 ° uniform.

4, combustion control cyclone firing heat pipe oven according to claim 1 is characterized in that: the water route jockey that half garden pipe (8), flanged pipe (9) are formed, adopt two groups of symmetries uniform.

5, combustion control cyclone firing heat pipe oven according to claim 1 is characterized in that: refractory material is made the garden arch (27) of band inner core, and endoporus is up big and down small taper, and its minimum diameter is chimney enlarged diameter percent 5-10.

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