CN203454106U - Induced rotary infrared smoke eliminating and dust removing integrated boiler - Google Patents

Abstract

The utility model relates to an induced rotary infrared smoke eliminating and dust removing integrated boiler, in particular to a smoke eliminating and dust removing integrated boiler. The induced rotary infrared smoke eliminating and dust removing integrated boiler comprises a movable fire grate, a furnace hearth and a furnace door. The key technology of the induced rotary infrared smoke eliminating and dust removing integrated boiler is that a fire gathering port is formed in the top end of the furnace hearth; a heat exchange liner is arranged above the fire gathering port; a rotary infrared device is arranged on the inner bottom of the heat exchange liner; a smoke window is formed in the side wall above the heat exchange liner; the outlet of the smoke window is connected into a smoke box; dust immersion water is held in the lower part of the smoke box; an induced fan and an induced smoke tube are arranged on the discharge outlet of the boiler; the lower end of the induced smoke tube is connected with the smoke box; the upper end of the induced smoke tube is connected with a smoke channel. The induced rotary infrared smoke eliminating and dust removing integrated boiler has the beneficial effects that the fire gathering port is formed at the position before a fire flame enters the heat exchange liner, an air mixing tube is arranged above the fire gathering port, so that air is mixed into the fire flame around the fire gathering port, sufficient oxygen combustion is guaranteed, and the smoke is fully combusted and is burnt out at one time; a torch is formed; black smoke is eliminated; air is distributed after the fire flame passes through the gathering port, so that the disadvantage of oxygen lack of a reduction area caused by mixing air unevenness is eliminated, and the phenomenon of gas deflagration in a furnace is avoided.

Description

Induction type turns infrared ray smoke abatement and dust control integrated boiler

Technical field

The utility model relates to the coal-burning boiler in a kind of coal-fired field, particularly a kind of smoke elimination, dust removal integrated boiler.

Background technology

China is a coal-fired big country, and fuel is main mainly with coal.Yet the Air-pollution From Combustion of coal is the directly existence of harm humans procreation again.Coal is typical solid fuel, has distinct tri-state combustion process: in having the combustion apparatus of fixed bed, coal is cracked into liquid state because of heat absorption, and liquid state is vaporized into steam state and starts gas burning.The ash that moves back that the gas afterburnt enters fixed carbon burns, the flue gas stage producing is due to gas burning quality completely, producing flue gas factor is mainly that environment temperature is low, not contraposition of air distribution, inhomogeneous, and in flame, particularly the reducing zone at flame tip is particularly outstanding for weary oxygen; From heat exchange, though it is good to catch fire, flame is long, flow velocity is fast, and the hot flue gas of the heat exchange that is not able to do in time is just discharged rapidly, causes the strange extremely low result of high thermal efficiency of cigarette temperature, and causes environmental pollution.In order to eliminate coal-fired pollution, people have invented all coal-fired environmental protection facilities, its scheme mostly concentrates in the rearmounted emission treatment after burning, as install smoke eliminator, deduster, devulcanizer, denitrogenation apparatus additional, powerful blower unit and bypass flue that plume must pass through particularly must be set, otherwise in stove, blowing-out just can be amassed cigarette.The problem that it exists is almost to change year by year air-introduced machine etc., causes the auxiliary equipment of rearmounted assurance environment protection standard to drop into also large consequence than main frame.Also have this rearmounted emission treatment method cannot install additional concerning miniature boiler, so miniature boiler applying steam encapsulation method helplessly at all, with steam cover in vain black in flue gas, with process of cleaning, replace eliminating smoke.Therefore formed miniature boiler and coal-fired furnace kiln changed and changed still can not be up to standard situation.

Summary of the invention

Problem to be solved in the utility model is exactly to provide a kind of do not need to install additional the smoke elimination of rearmounted tapping equipment, dust removal integrated boiler for above deficiency.Its technical scheme is as follows:

It comprises moving grate, burner hearth and fire door, and its key technology is to establish poly-burner on burner hearth top, poly-burner top is heat exchange container, at heat exchange container inner bottom part, is provided with and turns infrared facility, and above heat exchange container, sidewall has smokestack, in smokestack outlet access smoke box, smoke box bottom fills soaks dirt water; Induced fan and induction smoke pipe are installed on boiler emission mouth, and induction smoke pipe lower end is connected with smoke box, and upper end connects flue.

Compared with prior art, the beneficial effect the utlity model has is:

1, before flame enters heat exchange courage, be provided with poly-burner, mixing wind tube is established in poly-burner top, make poly-burner around to mixed wind in flame, thereby guarantee that sufficient oxygen burning is all caught fire flue gas, an after-flame, and form torch, cancellation black smoke.Flame is air distribution after poly-fire, eliminates the drawback of the weary oxygen in the uneven reducing zone of mixed wind, avoids occurring in stove gas deflagration phenomenon.

2, the heat exchange container place that enters main exchange area above poly-burner sets up and turns infrared facility, turning infrared facility selects refractory metal net or refractory ceramics to make, interfere interception flame and produce infrared ray, except increasing flame middle infrared (Mid-IR) ratio, more reduce flame height, reduce flame impingement speed, the elongated radiation intensity that improved of spectrum, increases rate of heat exchange, economizing smoke abatement.

3, changing original air blast is the inductive ventilation system that the utility model Induced fan and induction smoke pipe form, inductive ventilation system is the system of working alone, can be arranged on any boiler, kiln floss hole place, makes chimney become short, does not need to install additional cloud-kissing chimney, and cancelled auxillary flue, reduced flue gas resistance, overcome hot flue gas and pass by Induced fan and the drawback of the scaling loss Induced fan that weares and teares, reached and ensure the object of ventilating, extending service life of fan.

4, the reduction flue gas after heat exchange enters smoke box, and its dust is due to initial velocity, and under the guiding of guiding gutter, dust pours in water, thereby reaches dust removing effects; Smoke box is made as interlayer, natural recovery waste heat.

5, at blower fan suction inlet, designed and inhaled moving door, when Induced fan starts, inhaled moving door and open, when Induced fan is out of service, automatically closed and extraneous path, realized the automatic switch of Induced fan ventilating opening.

Accompanying drawing explanation

Fig. 1 is the utility model structural representation;

Fig. 2 is Fig. 1 top view;

Fig. 3, for Induced fan is inhaled moving door schematic diagram.

The specific embodiment

Referring to Fig. 1～Fig. 3, the utility model comprises moving grate 2, and burner hearth 3 and fire door 1, with the air flux of moving grate increase overheavy firing.Its key technology is on burner hearth 3 tops, to establish poly-burner 4, poly-burner 4 tops are heat exchange containers 15, at heat exchange container 15 inner bottom parts, be provided with and turn infrared facility 7, above heat exchange container 15, sidewall has smokestack 12, smokestack outlet is provided with in circular arc guiding gutter 11 access smoke boxes 13, smoke box 13 bottoms fill soaks dirt water, soaks long-pending sticky prisoner's dust; Induced fan 16 and induction smoke pipe 17 formation inductive ventilation systems are installed on boiler emission mouth, and induction smoke pipe 17 lower ends are connected with smoke box 13, and upper end connects flue.

Mixing wind tube 5 is established in described poly-burner 4 tops, and mixing wind tube one end has 19，Feng hole, wind hole 19 and passes in the flame in poly-burner 4, and the mixing wind tube other end leads to stove Wai，Yu Lu outer air UNICOM and by valve controlling flow amount.

The described infrared facility 7 that turns selects refractory metal net or refractory ceramics to make.

The suction inlet of Induced fan 16 is provided with inhales moving air door 20, inhale moving air door upper end and be provided with the door sheet with movable axis, when Induced fan starts, door sheet is driven into wind by suction, and when Induced fan is closed, door sheet is also closed by deadweight automatically, open close with outside air, guarantee nature pulling power, not only guarantee negative-pressure firing in stove, also sealed flue gas and leaked.

On Induced fan 16, being provided with induction pipe 18 is connected with induction smoke pipe 17.

In smoke box 13, be provided with the surface cock 8 of controlling height of water level.In smoke box 13 bottoms, be provided with dust-exhausting port 6.Smoke box 13 is made as interlayer, is beneficial to recovery waste heat.

In order to increase negative pressure strength, can also taper plenum body 21 be set in 18 outlets of induction pipe.

In figure, 9 for infrared ray installs door additional, and 10 is horizontal water tube, and 14 is clean-out door.

Operation principle of the present utility model is:

Coal forms torch at hearth combustion, and oxygen is exhausted by bottom fire coal substantially in stove, the inner and upper end weary oxygen of certainty of torch and flame is turned black and form black smoke.Before flame enters heat exchange courage 15, be provided with poly-burner 4, mixing wind tube 5 is established in poly-burner 4 tops for this reason, make poly-burner 4 around to mixed wind in flame, thereby guarantee that sufficient oxygen burning is all caught fire flue gas, an after-flame, and form torch, cancellation black smoke.Flame is air distribution after poly-fire, eliminates that mixed wind is uneven, the drawback of the weary oxygen in reducing zone, avoids occurring in stove gas deflagration phenomenon.

The drawback that the burning of foot oxygen brings is that torch is long, and flame punching speed is fast, and cigarette temperature is high, and emission loss is large.For solving this puzzlement, the heat exchange container place that enters main exchange area above poly-burner 4 sets up and turns infrared facility 7, turns infrared facility 7 and selects refractory metal net or refractory ceramics to make.Turn infrared facility 7 interception, interfere flame and produce infrared ray, the elongated radiation intensity that improved of spectrum; After heat exchange, subdue torch height, reduced sweep of gases speed, reduced cigarette temperature, strengthened rate of heat exchange.

During Induced fan 16 operation, air, by inducing smoke pipe 17 to pour flue, causes induction smoke pipe 17 lower end strong negative-pressures, thereby has guaranteed the supply to combustion air.Flue gas enters smoke box 13 with smokestack 12 after heat exchange container 15 heat exchange, and its dust is due to initial velocity, and under the guiding of guiding gutter 11, dust pours to soak in dirt water and arrives smoke box 13 bottoms, is discharged, thereby reach dust removing effects by dust-exhausting port 6; Flue gas after dedusting is emptying by flue through inductive ventilation system.

Claims (10)

1. an induction type turns infrared ray smoke abatement and dust control integrated boiler, comprise moving grate (2), burner hearth (3) and fire door (1), it is characterized in that establishing poly-burner (4) on burner hearth (3) top, poly-burner (4) top is heat exchange container (15), at heat exchange container (15) inner bottom part, is provided with and turns infrared facility (7), and in heat exchange container (15) top, sidewall has smokestack (12), in smokestack outlet access smoke box (13), smoke box (13) bottom fills soaks dirt water; Induced fan (16) and induction smoke pipe (17) are installed on boiler emission mouth, and induction smoke pipe (17) lower end is connected with smoke box (13), and upper end connects flue.

2. induction type turns infrared ray smoke abatement and dust control integrated boiler according to claim 1, it is characterized in that establishing mixing wind tube (5) above poly-burner (4), mixing wind tube one end has wind hole (19), wind hole (19) passes in the flame in poly-burner (4), the mixing wind tube other end leads to stove Wai，Yu Lu outer air UNICOM.

3. induction type turns infrared ray smoke abatement and dust control integrated boiler according to claim 1, it is characterized in that turning infrared facility (7) and selects refractory metal net or refractory ceramics to make.

4. induction type turns infrared ray smoke abatement and dust control integrated boiler according to claim 1, it is characterized in that being provided with guiding gutter (11) in the outlet of smokestack (12).

5. induction type turns infrared ray smoke abatement and dust control integrated boiler according to claim 1, it is characterized in that the suction inlet of Induced fan (16) is provided with the moving air door (20) of suction, inhales moving air door upper end and is provided with the door sheet with movable axis.

6. induction type turns infrared ray smoke abatement and dust control integrated boiler according to claim 1, it is characterized in that being provided with induction pipe (18) and be connected with induction smoke pipe (17) on Induced fan (16).

7. induction type turns infrared ray smoke abatement and dust control integrated boiler according to claim 1, it is characterized in that being provided with in smoke box (13) surface cock (8).

8. induction type turns infrared ray smoke abatement and dust control integrated boiler according to claim 1, it is characterized in that being provided with dust-exhausting port (6) in smoke box (13) bottom.

9. induction type turns infrared ray smoke abatement and dust control integrated boiler according to claim 1, it is characterized in that smoke box (13) is provided with interlayer.

10. induction type turns infrared ray smoke abatement and dust control integrated boiler according to claim 1, it is characterized in that induction pipe (18) outlet is provided with taper plenum body (21).

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