CN2929494Y

CN2929494Y - Natural wind garbage continuous firing device

Info

Publication number: CN2929494Y
Application number: CN 200620096303
Authority: CN
Inventors: 江惠龙; 钟文清
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-04-18
Filing date: 2006-04-18
Publication date: 2007-08-01
Anticipated expiration: 2016-04-18

Abstract

The utility model discloses a natural-wind waste continuous incinerator units, comprising a incinerator and a chimney, wherein the incinerator comprises a gas outlet gate and a waste inlet gate, the bottom of the incinerator body is equipped with a dust outlet gate communicated with the outer space, at least one air vent connected with the incinerator body is equipped on the dust outlet gate, advantaged in that the air vent, the waste inlet and outlet gates on the incinerator, and the dust outlet gate forms a natural wind flowing passage with a good air vent effect since a structure similar of the stove, which makes the air vent effect of the incinerator good, and since dried wastes are released from upper to down of the incinerator, the burning flame has drying effect on the wastes to some extent, meanwhile the waste and the high temperature zone can be touched fully, which can increase the sufficiency, stability and continuity of burning without fuel or a combustion improver.

Description

The continuous incinerator of natural wind rubbish

Technical field

The utility model relates to a kind of refuse disposal installation, particularly a kind of garbage combustion device that adopts natural wind to burn.

Background technology

For increasing municipal refuse, the most normal employing at present also is that effective method is the burning disposal method the most.Because rubbish is in burning process, unavoidable meeting produces HCl, SO ₂Deng sour gas, Duo chlorodiphenyl Bing bioxin, heterocycle carcinogens such as polychlorinated dibenzo, and harmful heavy metal such as Pb, Hg, Cd, cause second environmental pollution, wherein toxic action maximum be bioxin; and the generation of bioxin has confidential relation with burning process, research thinks that when rubbish completing combustion and smooth combustion, it is minimum then to produce the De bioxin.Therefore in order to make rubbish reach smooth combustion fully as much as possible, the way of a lot of incinerators is to add fuel or other combustion adjuvant at incinerator.Though adopt fuel or increase the generation that combustion adjuvant can farthest be avoided bioxin, but but increased the cost of garbage disposal greatly, strengthened the burden in garbage disposal plant, its result caused again many soots in order to reduce cost when burning away the refuse not with combustion adjuvant etc., thereby cause serious De bioxin to pollute.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art part and garbage combustion device that the employing natural wind that a kind of combustion efficiency is good, operating cost is low is provided.

The purpose of this utility model realizes by following approach.

The continuous incinerator of a kind of natural wind rubbish, it comprises incinerator, chimney, described incinerator comprises flue gas discharge opening, rubbish is imported and exported, it is characterized in that: be provided with the dumping platform above the furnace chamber of incinerator inner chamber, the place is provided with the dog-house that communicates with burner hearth at the dumping platform, and rubbish drops into the burner hearth burning by dog-house, be provided with and the extraneous ash hole that communicates in the bottom of burner hearth, above ash hole, be provided with the ventilating opening that communicates with burner hearth of at least one.

In use, in burner hearth, drop into an amount of kindling material, then the rubbish on the dumping platform is dropped in the burner hearth by dog-house, the rubbish that drops into is burned under the igniting of kindling material, rubbish is when being dropped into by the top of burner hearth simultaneously, the flame of burner hearth internal combustion will have certain oven dry effect to it, simultaneously rubbish is fully contacted with the flame high-temperature region, thereby can improve the adequacy of burning, stability and continuity, it has changed the fire that the conventional garbage incinerator generally adopts the burning of stacking formula to be brought and has extinguished easily, it is insufficient to burn, be easy to generate the shortcoming of a large amount of bioxin; Simultaneously because the utility model has also adopted the structure of similar cooking stove, promptly ventilating opening is set at the burner hearth place, below fire grate, be provided with simultaneously and the extraneous ash hole that communicates, then formed the natural airflow circulation passage with good ventilation effect that can circulate mutually by the import and export of the rubbish on ventilating opening, the incinerator, ash hole, thereby make the effect of natural ventilation of this incinerator good, need not to add other fuel or combustion adjuvant owing in combustion process, directly using dry rubbish to act as a fuel.

In described incinerator arranged outside the passage that can travel for the garbage-removal truck that the dumping platform was imported and exported, entered to garbage-removal truck directly through the rubbish of incinerator is arranged, garbage-removal truck is imported and exported the dumping platform that sails in the incinerator through this passage that travels through rubbish.

Directly the dumping platform of incinerator inner chamber is linked up with the external world mutually by the garbage-removal truck passage that travels, so just can be directly with garbage-removal truck thus passage sail the incinerator inner chamber into, thereby can save the carrying link of centre, reduction garbage disposal cost.

The place is provided with the air register that can regulate the ventilating opening size at described ventilating opening, can regulate the wind-force size of turnover ventilating opening easily by regulating air register.

The purpose that air register is set is in order to control the natural wind that enters burner hearth easily, thereby can control the combustion case of rubbish easily.

Described ventilating opening is provided with two, and it lays respectively at the left and right sides of ash hole top.

The flue gas discharge opening of incinerator and the flue between the chimney are provided with exhaust gas processing device, described exhaust gas processing device comprises successively: flue gas quench zone, dust arrester, desulfurizing tower and expansion chamber, the cold water spray equipment is housed in quench zone, tail gas is forced chilling, described dust arrester comprises granite duster, and the alkali lye spray equipment is housed in desulfurizing tower.

To carry out chilling through the cold water spray equipment by the tail gas that flue gas discharge opening is discharged handles, after again the tail gas behind the cold water chilling carry out dedusting through numb stone (moisture film) deduster,, arrived expansion chamber and isolated wherein moisture again after the desulfurization of alkali lye spray and other harmful substance through the tail gas after the dedusting.

The back that described dust arrester also is included in granite duster is connected with a sack cleaner.

So just make this process of cleaning have the effect of dry method and wet method concurrently.

Alkali lye in the described alkali lye spray equipment is the mixed liquor of lime and soda ash.

Described tail gas unit also includes a chilling pond, the downcomer that picks out from quench zone is connected with the chilling pond, in the chilling pond, be provided with filter, the described filter of cold water in the chilling pond of being discharged by the quench zone downcomer filters the back, the drainpipe through being connected with spray equipment in the quench zone flows into spray equipment again, recycling with realization water.

The water that described desulfurizing tower and expansion chamber are discharged also is discharged in the chilling pond for recycling.

Between exhaust outlet and chimney, also be provided with an auxillary flue, this flue is directly linked up exhaust outlet and chimney, be respectively arranged with valve at auxillary flue with having on the flue of exhaust gas processing device, described valve is used to control the flow direction of tail gas, itself or make tail gas after exhaust gas processing device is handled, be discharged into chimney, or directly be discharged into chimney.

Flue before the chimney is provided with air-introduced machine, to accelerate the discharging of tail gas.

In sum, advantage of the present utility model is:

1. because incinerator of the present utility model has been introduced the structure of cooking stove formula, thereby have the function of gravity-flow ventilation, thereby and need not to adopt force ventilation can reduce the operating cost of garbage disposal; The mode that this practicality has simultaneously newly also adopted the top to throw in rubbish, therefore it is except playing certain oven dry effect rubbish in launch process, can also keep fully contacting of rubbish and flame high-temperature region, thereby improve the adequacy and stability of burning, make incinerator can keep continuous burning, thereby can reduce harmful substance in the tail gas, the particularly minimizing of bioxin, keep the high temperature more than 1000 ℃ in the stove, but bioxin is decomposed fully, alleviate again and administer load, make the requirement that the discharging of tail gas is up to state standards fully after administering.

2. quench zone is set had both protected the back segment facility, suppress the reaction that reconfigures of harmful substance such as bioxin again:, can avoid reconfiguring of bioxin because in governance process, shorten the time of staying of tail gas as far as possible in 400 ℃～500 ℃ of intervals.

3. to the improvement of grit in the tail gas, remove thoroughly: at first through the quench zone spraying and dedusting, again through numb stone (moisture film) deduster, Ji sheet volute covering of the fan plate is arranged in this deduster, and resistance is little, and guidance quality is good, tail gas is operation upwards, through the blade guiding, contact with the medicament that flows down with moisture film, dust-removal and desulfurizing is effective; Reduce the water content in the tail gas earlier, arrive the sack cleaner of dry type again, reach the effect of protecting cloth bag dust collector device; At last, through desulfurizing tower and expansion chamber, further make grit sedimentation separation with drop.

4. desulfurized effect is good, uses the alkali lye based on lime, reduces operating cost, makes the SO2 removal efficiency reach 80%.

5. cool cycles is used and had both been reached the dust-removal and desulfurizing purpose, and the minimizing secondary pollution reduces cost again; And equipment is comparatively simple.

Description of drawings

The structural representation of Fig. 1 the utility model most preferred embodiment

Fig. 2 is the vertical view of Fig. 1

Label declaration 1 incinerator 11 garbage-removal trucks passage 12 dog-houses 13 ash holes 131 automatic ash discharging gear 14 rubbish that travel are imported and exported the anxious cool pond of flue gas discharge opening 2 chimneys, 3 flues 31 main valves, 4 exhaust gas processing devices 41 flue gas quench zones, 42 dust arresters 421 granite dusters, 422 sack cleaners 43 desulfurizing towers, 44 expansion chambers 45 air-introduced machines, 46 water seal mouths 5 51 filters, 6 auxillary flues, 61 auxiliary valves of 15 ventilating openings, 16 dumping platforms, 17 incinerators

The specific embodiment

Below in conjunction with embodiment the utility model is described in more detail.

Most preferred embodiment

The continuous incinerator of natural wind rubbish as shown in Figure 1, 2, it comprises incinerator 1 and chimney 2.Incinerator comprises flue gas discharge opening 17, rubbish import and export 14, be provided with dumping platform 16 above the furnace chamber in incinerator 1, be provided with the dog-house 12 of linking up mutually with burner hearth at stacking platform 16 places, be provided with ash hole 13 at furnace bottom, be provided with automatic ash discharging gear 131 at ash hole 13 places, simultaneously be provided with above the ash hole 13 with burner hearth link up mutually about two ventilating openings 15,15 places are provided with the air register that can regulate the ventilating opening size at ventilating opening, and the sensible rate of the furnace bottom of this incinerator reaches 80%.Have and directly to import and export 14 garbage-removal trucks that enter dumping platform 16 passage 11 that travels for garbage-removal truck in the arranged outside of incinerator 1 through the rubbish of incinerator.

To the flue 3 between the chimney 2, be provided with a cover exhaust gas processing device 4 at the flue gas discharge opening 17 of incinerator, this exhaust gas processing device 4 comprises and is disposed with flue gas quench zone 41, dust arrester 42, desulfurizing tower 43 and expansion chamber 44, and air-introduced machine 45.In the flue of quench zone 41, the cold water spray equipment is housed.The tail gas of incinerator exhaust ports up to 800 ℃ is reduced to below 250 ℃ rapidly, and shower water is collected chilling pond 5 through water seal mouth 46, through filter 51 blowback quench zones 41, recycles after cooling off naturally.Dust arrester comprises a granite duster 421 and sack cleaner 422, contacts and dust-removal and desulfurizing by the convection current of tail gas with moisture film and pharmacy solution; And desulfurizing tower 43 connects together with expansion chamber 44.Use lime and soda ash to be mixed with the basic treatment medicament, adopt the large aperture nozzle, by helical cut, agent liquid is vaporific outside injection, and harmful substances such as grit in the tail gas and SO2 are removed.Before the chimney on the flue collector 32, be equiped with air-introduced machine 45.For the ease of switching flue, also be provided with auxillary flue 6 on flue 3 next doors, flue 3 is regulated and control with auxiliary valve 61 on the auxillary flue 6 with main valve 31 regulation and control.Like this, be built into the continuous incinerator of rubbish of magnetic tape trailer gas disposal of the present utility model.

It is same as the prior art that embodiment does not state part.

Claims

1. continuous incinerator of natural wind rubbish, it comprises incinerator (1), chimney (2), described incinerator (1) comprises flue gas discharge opening (17), rubbish is imported and exported (18), it is characterized in that: above the furnace chamber of incinerator inner chamber, be provided with dumping platform (16), be provided with the dog-house (12) that communicates with burner hearth at dumping platform place, rubbish drops into the burner hearth burning by dog-house, be provided with and the extraneous ash hole (13) that communicates in the bottom of burner hearth, above ash hole, be provided with the ventilating opening that communicates with burner hearth (15) of at least one.

2. the continuous incinerator of a kind of natural wind rubbish according to claim 1, it is characterized in that: described incinerator (1) arranged outside have for garbage-removal truck directly through the rubbish of incinerator import and export (14), the garbage-removal truck that enters the dumping platform travels passage (11), garbage-removal truck is imported and exported the dumping platform (16) that sails in the incinerator through this passage that travels through rubbish.

3. the continuous incinerator of a kind of natural wind rubbish according to claim 2, it is characterized in that: locate to be provided with the air register that to regulate the ventilating opening size at described ventilating opening (15), can regulate the wind-force size of turnover ventilating opening easily by regulating air register.

4. according to claim 1 or the continuous incinerator of 3 described a kind of natural wind rubbish, it is characterized in that: the flue (3) between flue gas discharge opening of incinerator (17) and the chimney (2) is provided with exhaust gas processing device (4), described exhaust gas processing device (4) comprises successively: flue gas quench zone (41), dust arrester (42), desulfurizing tower (43) and expansion chamber (44), in quench zone (41), the cold water spray equipment is housed, tail gas is forced chilling, described dust arrester (42) comprises granite duster (421), in desulfurizing tower (43) the alkali lye spray equipment is housed.

5. the continuous incinerator of a kind of natural wind rubbish according to claim 4 is characterized in that: the back that described dust arrester (42) also is included in granite duster (421) is connected with a sack cleaner (422).

6. the continuous incinerator of a kind of natural wind rubbish according to claim 5, it is characterized in that: the alkali lye in the described alkali lye spray equipment is the mixed liquor of lime and soda ash.

7. the continuous incinerator of a kind of natural wind rubbish according to claim 6, it is characterized in that: described exhaust gas processing device (4) also includes a chilling pond (5), the downcomer that picks out from quench zone (41) is connected with chilling pond (41), in chilling pond (41), be provided with filter (51), the described filter (51) of cold water in the chilling pond of being discharged by the quench zone downcomer filters back, the drainpipe inflow spray equipment through being connected with spray equipment quench zone (41) in again, recycling with realization water.

8. the continuous incinerator of a kind of natural wind rubbish according to claim 7 is characterized in that: the water that described desulfurizing tower (43) and expansion chamber (44) are discharged also is discharged in the chilling pond (5) for recycling.

9. the continuous incinerator of a kind of natural wind rubbish according to claim 8, it is characterized in that: between flue gas discharge opening (17) and chimney (2), also be provided with an auxillary flue (6), this auxillary flue (6) is directly linked up flue gas discharge opening (17) and chimney (2), be respectively arranged with valve at auxillary flue (6) with having on the flue (3) of exhaust gas processing device, described valve is used to control the flow direction of tail gas, itself or make tail gas after exhaust gas processing device is handled, be discharged into chimney, or directly be discharged into chimney.

10. the continuous incinerator of a kind of natural wind rubbish according to claim 9, it is characterized in that: the flue before the chimney is provided with air-introduced machine (45), to accelerate the discharging of tail gas.