CN1288128A - Garbage incineration furnace - Google Patents
Garbage incineration furnace Download PDFInfo
- Publication number
- CN1288128A CN1288128A CN 00119103 CN00119103A CN1288128A CN 1288128 A CN1288128 A CN 1288128A CN 00119103 CN00119103 CN 00119103 CN 00119103 A CN00119103 A CN 00119103A CN 1288128 A CN1288128 A CN 1288128A
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- China
- Prior art keywords
- air intake
- blast pipe
- intake passage
- refuse incinerator
- rubbish
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Abstract
A garbage incinerator is composed of air inlet, chimney, direction rudder for air inlet, wind channel, spiral wind inlet pipe linked to bottom of combustion box, quantitative garbage feeder for uniformly speeading garbage on bottom plate, wind spraying tube for sufficient contact between air and garbage, temp controller consisting of high-pressure sprayer and thermometer, and anti-explosion hole on top of incinerator. Its advantages include high efficiency, and low energy consumption.
Description
The present invention relates to a kind of refuse incinerator.
Existing refuse incinerator treating capacity is little, and maximum can only reach 200 tons/day, and blast is low, and intake velocity is slow, needs to consume the too much energy.Big and the rubbish bed of material skewness of undergrate blast pipe air intake resistance causes incineration firing insufficient, easily produces carbon black, generates toxic gas, not only contaminated environment but also reduce efficiency of combustion.
It is big to the purpose of this invention is to provide a kind for the treatment of capacity, efficiency of combustion height, the refuse incinerator of environmental protection and energy saving.
Refuse incinerator provided by the present invention is made up of air intake passage, ignition furnace, Control for Kiln Temperature device, garbage sorting machine, the quantitative charging car of rubbish, drag-out slag car, body of heater, chimney, exhaust gas processing device.The body of heater top has explosionproof hole.Wherein, described air intake passage exceeds furnace bottom 13-16m, channel bottom is linked to each other with burner hearth bottom by the helical blast pipe, described Control for Kiln Temperature device is made up of high-pressure spray gun and temperature measuring set, the quantitative charging car of described rubbish is one to have wheel, and the car front does not have the rectangle cast iron frame of lagging, and this cast iron frame passes through gear driven by variable-speed motor, along two guide rail turnover burner hearths at body of heater top, the burner hearth porch is provided with a material-blocking plate moving up and down.Every 0.5986m on the drop-bottom of described body of heater
21 blast pipe is installed, and described chimney exceeds more than the furnace bottom 45m.
Aforesaid refuse incinerator, air intake passage inlet wherein is provided with air intake rudder and 90 ° of elbow passages, and this elbow links to each other with the air intake rudder, and can freely rotate in the air intake passage porch.Described blast pipe is made by high aluminium material, exceeds drop-bottom 450mm, diameter 300mm, and nested inside has Φ 200 * 4mm steel pipe.Described blast pipe also can be made by heat-resisting cast iron.
Blast pipe along the tube wall vertical direction every 100mm open 6 Φ 40mm along the equally distributed venthole of tube wall horizontal direction, 6 equally distributed ventholes of Φ 40mm are along the circumferential direction opened on the top of pipe, and open 1 Φ 40mm venthole, 25 ventholes of a blast pipe meter at the center.
Described explosionproof hole adopts the thick asbestos board of 3mm, is installed on the circular casing, compresses with pressure ring, and the explosionproof hole area is 4% of a furnace roof area.
The present invention adopts high air intake passage, utilize atmospheric pressure, utilize the helical blast pipe further to improve wind speed, adopt the chimney stack structure, can further improve the air draught energy, help the wind of air inlet, pass the grate and the rubbish bed of material smoothly, can improve the air intake wind speed like this more than 3.5 times, make burning more abundant.Adopt ignition furnace to cooperate high-pressure spray gun can efficiently keep fire box temperature, lower energy consumption more than 850 ℃.Adopt the quantitative charging car of rubbish, the interior rubbish bed of material of burner hearth is approached and even, the high opening rate blast pipe that stretches into the rubbish bed of material makes air fully contact with the rubbish bed of material, thereby improves efficiency of combustion.Adopt explosionproof hole to prevent explosion time and jeopardize body of heater and personal safety.
Below in conjunction with drawings and embodiments the present invention is described in further detail.
Fig. 1 is: the refuse incinerator schematic diagram
Fig. 2 is: refuse incinerator is overlooked (broken section) figure
Fig. 3 is: the quantitative charging car of rubbish schematic diagram
Fig. 4 is: rubbish is quantitatively decided the A-A cutaway view in the truck schematic diagram
Fig. 5 is: the explosionproof hole structural representation
Fig. 6 is: explosionproof hole structure B-B cutaway view
Fig. 7 is: the blast pipe structural representation
Fig. 8 is: blast pipe structure C-C cutaway view
Fig. 9 is: the blast pipe top view
This refuse incinerator is provided with ignition furnace 19, and before blow-on, fire box temperature is low, utilizes ignition furnace 19 to spray fuel, and baking furnace improves fire box temperature, simultaneously, strengthens the air intake blast, improves the air intake wind speed.In the waste incineration process, ignition furnace also can cooperate the Control for Kiln Temperature device, in time sprays fuel, keeps the interior temperature of burner hearth more than 850 ℃, makes incineration firing abundant.
The required airflow Q=F of incinerator institute (area) * V (wind speed), selecting wind speed for use is 1.75 than V, air intake passage 5 exceeds furnace bottom 13-16m, the air intake wind speed can improve 1.75 times, establish air intake rudder 2 and 90 ℃ of elbow passages 4 in air intake passage 5 porch, can make the automatic box haul adjustment of air intake passage 5 inlets, guarantee that the incinerator air intake is smooth and easy under the gentle breeze situation.Under calm situation, can utilize two large-sized boiler blower fans 20, the air quantity of air intake passage both sides to be 17000m
3/ hr replenishes air feed to burner hearth.
Utilize helical blast pipe 6 to link to each other in air intake passage 5 bottoms, further improve wind speed, strengthen blast with burner hearth bottom.
How much pressure heads of chimney 8 are used for overcoming the air intake resistance, the wind that help is come in by air intake passage 5, can pass the grate and the bed of material swimmingly, flue gas flows in stove needs the draft of 12.44mm water column, 220 ℃ of chimney 8 outlet temperature average out to, chimney 8 drafts that 45m is high are the 20.61mm water column, and the draft of 20.61-12.44=8.17mm water column can make air intake smoothly by the rubbish bed of material.
Finally can make the air intake wind speed improve more than 3.5 times by above device.
The quantitative charging car 11 of rubbish by the grab bucket blowing after, drive by gear 17 by variable-speed motor 12, two guide rails 18 along body of heater 1 top enter burner hearth, then, quantitatively the material-blocking plate 10 of charging car 11 turnover burner hearth porch is fallen, and quantitatively charging car 11 begins to retreat, because the charging car does not have front baffle board, rubbish progressively falls toward the burner hearth drop-bottom, finally is evenly distributed on the drop-bottom.When fire box temperature was not higher than 850 ℃, blast pipe 7 can adopt heat-resisting cast iron to make.The stove that treating capacity is big, fire box temperature generally will maintain more than 850 ℃, at this moment blast pipe 7 usefulness LZ-65 high aluminium materials burn till on the drop-bottom, and being with Φ 200 * 4mm steel pipe in blast pipe 7 inside, blast pipe adopts high opening rate, and stretches in the rubbish bed of material, wind from air intake passage 5, through the venthole ejection of blast pipe 7, make the rubbish bed of material when burning, abundant air be arranged, thereby burning is fiercely carried out.
At the fire door place, establish high-pressure spray gun 3 and XCF-101 adjustable type millivoltmeter, when fire box temperature during less than 850 ℃, high-pressure spray gun 3 fuel injected, the control furnace temperature is guaranteed the rubbish efficient burning.
During waste incineration, can produce CO, H
2, CH
4Deng explosion gas, be the 12.5-75% of volume as CO content, H
2Content be the 4.1-75% of volume, CH
4Content be 5.6-14.5%, all can blast.Therefore, have explosionproof hole 9, guarantee body of heater 1 and personal safety at the body of heater top.
Rubbish is carried out sorting by a garbage sorting machine to rubbish before entering the quantitative charging car 11 of rubbish, and garbage sorting machine comes down to a rotary screen, mixes hammering device, and with air blast, feed bin and separation chamber, the rubbish that will come in separates by hydrometer method.Bigger material piece in the rubbish with the hammering fragmentation, is sent into quantitative charging car 11 with grab bucket.
Must be by tapered screw press to containing high humility rubbish such as watermelon peel, dish leaf, bar, former pericarp etc., its function is extruding, and is broken, go the liquid stain, outside the dry discharge machine that heats up, prepare to enter down the road baking operation.
Drying roller is set, wet feed is dried to moisture content about 6%, guaranteed rubbish like this in stove, energy conflagration makes to keep furnace temperature to become possibility more than 850 ℃.
Chimney breast is established sprayer-washer and is removed micronic dust, uses the spray washing dedusting, is furnished with one in big well, one of detention tank, equipments such as water tower and two-stage water pump 14.From the flue gas that throat comes out, through furnace roof iris type spray chamber 21, multi-level water spray after micronic dust absorbs water smoke, flows into sedimentation basin 15 precipitations.Below be the present invention's series stove technical parameter table:
| Title | 50 tons | 100 tons | 200 tons | 400 tons | 600 tons | More than the 1-2 kiloton | |
| Burner hearth area Fm 2 | ?14 | ?28 | ?56 | ?112 | ?168 | Adopt 2-4 seat 400-600 ton stove | |
| Combustion space Vm 3 | ?50.4 | ?100.6 | ?201.6 | ?403.2 | ?604.8 | ||
| Furnace height Hm | ?3.6 | ?3.6 | ?3.6 | ?3.6 | ?3.6 | ||
| Goods incineration amount kg per hour | ?2106 | ?4200 | ?8400 | ?16800 | ?25000 | ||
| Air quantity m 3/ second | ?3.5 | ?7 | ?14 | ?28 | ?42 | ||
| Chimney diameter * height m | ?Φ1.22 ?×45 | ?Φ1.72 ?×45 | ?Φ2.43 ?×45 | ?Φ3.44 ?×45 | ?Φ4.23 ?×45 | ||
| Flue area m 2 | ?2.33 | ?4.66 | ?9.33 | ?18.66 | ?28 | ||
| Drying roller diameter * length | 1×8 | ?Φ1.2 ?×10 | ?Φ1.5 ?×10 | ?Φ2.2 ?×16 | ?Φ2.5 ?×16 | ||
| Oven dry amount m 3/hr | ?1.64m 3 | ?2.5m 3 | ?4.68m 3 | ?6.5m 3 | ?8.2m 3 | ||
| Ignition furnace diameter * length m | ?Φ0.53 ?×.35 | ?Φ0.75 ?×4000 | Φ0.9 ?×4000 | ?Φ1 ?×4500 | ?Φ1.28 ?×4700 | ||
| Injecting coal quantity kg/hr | ?200 | ?400 | ?750 | ?1500 | ?2100 | ||
| Diesel oil kg/hr | ?100 | ?200 | ?375 | ?750 | ?1050 | ||
| Separator sorting capability m 3/hr | ?12 | ?12 | ?20 | ?40 | ?40 | ||
| Quantitative frame area Fm 2 | ?2.5× ?5.6 | ?4×7 | ?4×14 | ?6×19 | ?8×21 | ||
| 5 * 10 tons of crane overhead crane span m | ?10.5 | ?13.5 | ?22.5 | ?25.5 | ?25.5 | 2 10 tons of cranes, grab bucket volume 3m 3 | |
| Gas or liquid fuel nozzle * quantity | High-pressure nozzle * 2 | High-pressure nozzle * 3 | High-pressure nozzle * 3 | High-pressure nozzle * 4 | High-pressure nozzle * 5 | ||
Claims (6)
1, a kind of refuse incinerator, be made up of air intake passage (5), ignition furnace (19), Control for Kiln Temperature device, garbage sorting machine, the quantitative charging car of rubbish (11), drag-out slag car (13), body of heater (1), chimney (8), exhaust gas processing device, the body of heater top has explosionproof hole (9).It is characterized in that: described air intake passage (5) exceeds furnace bottom 13-16m, channel bottom is linked to each other with burner hearth bottom by helical blast pipe (6), described Control for Kiln Temperature device is made up of high-pressure spray gun (3) and temperature measuring set, the quantitative charging car of described rubbish (11) is one to have wheel, the car front does not have the rectangle cast iron frame of lagging, this cast iron frame is driven by gear (17) by variable-speed motor (12), along two guide rails (18) turnover burner hearth at body of heater top, the burner hearth porch is provided with a material-blocking plate moving up and down (10).Every 0.5986m on the drop-bottom of described body of heater
21 blast pipe (7) is installed, and described chimney (8) exceeds more than the furnace bottom 45m.
2, refuse incinerator as claimed in claim 1, it is characterized in that: described air intake passage (5) inlet is provided with air intake rudder (2) and 90 ° of elbow passages (4), this elbow links to each other with air intake rudder (2), and can freely rotate in air intake passage (5) porch.
3, refuse incinerator as claimed in claim 1 is characterized in that described blast pipe (7) made by high aluminium material, exceeds drop-bottom 450mm, diameter 300mm, nested inside Φ 200 * 4mm steel pipe.
4, refuse incinerator as claimed in claim 3 is characterized in that: described blast pipe (7) also can be made by heat-resisting cast iron.
5, refuse incinerator as claimed in claim 1 is characterized in that: described explosionproof hole (9) adopts the thick asbestos board of 3mm, is installed on the circular casing.Compress with pressure ring, the explosionproof hole area is 4% of a furnace roof area.
6, as claim 1,2,3,4 described refuse incinerators, it is characterized in that: described blast pipe (7) along the tube wall vertical direction every 100mm open 6 Φ 40mm along the equally distributed venthole of tube wall horizontal direction, the top of pipe is enclosed direction along circle and is opened 6 equally distributed ventholes of Φ 40mm, and open the venthole of 1 Φ 40mm, 25 ventholes of a blast pipe meter at the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001191039A CN1133846C (en) | 2000-06-14 | 2000-06-14 | Garbage incineration furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001191039A CN1133846C (en) | 2000-06-14 | 2000-06-14 | Garbage incineration furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1288128A true CN1288128A (en) | 2001-03-21 |
| CN1133846C CN1133846C (en) | 2004-01-07 |
Family
ID=4587492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001191039A Expired - Fee Related CN1133846C (en) | 2000-06-14 | 2000-06-14 | Garbage incineration furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1133846C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105780A (en) * | 2017-12-14 | 2018-06-01 | 卢勇军 | Food production uses rubbish environmental protection processing apparatus |
-
2000
- 2000-06-14 CN CNB001191039A patent/CN1133846C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105780A (en) * | 2017-12-14 | 2018-06-01 | 卢勇军 | Food production uses rubbish environmental protection processing apparatus |
| CN108105780B (en) * | 2017-12-14 | 2019-09-27 | 绍兴市晟途环保科技有限公司 | Food production uses rubbish environmental protection processing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1133846C (en) | 2004-01-07 |
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