CN104949133A - Staggered forward-push household garbage incineration fire grate structure - Google Patents

Staggered forward-push household garbage incineration fire grate structure Download PDF

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Publication number
CN104949133A
CN104949133A CN201510411773.3A CN201510411773A CN104949133A CN 104949133 A CN104949133 A CN 104949133A CN 201510411773 A CN201510411773 A CN 201510411773A CN 104949133 A CN104949133 A CN 104949133A
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CN
China
Prior art keywords
fire grate
grate
bodies
slip
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510411773.3A
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Chinese (zh)
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CN104949133B (en
Inventor
焦学军
印晓彬
严梦帆
於志华
傅崇振
瞿兆舟
白力
张利军
郑勇
王春风
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Shanghai SUS Environment Co Ltd
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Shanghai SUS Environment Co Ltd
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Priority to CN201510411773.3A priority Critical patent/CN104949133B/en
Publication of CN104949133A publication Critical patent/CN104949133A/en
Application granted granted Critical
Publication of CN104949133B publication Critical patent/CN104949133B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/002Incineration of waste; Incinerator constructions; Details, accessories or control therefor characterised by their grates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/04Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/08Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/14Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44Details; Accessories
    • F23G5/442Waste feed arrangements
    • F23G5/444Waste feed arrangements for solid waste
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23HGRATES; CLEANING OR RAKING GRATES
    • F23H7/00Inclined or stepped grates

Abstract

The invention relates to household garbage incineration equipment, in particular to the improvement of the structure of a staggered forward-push fire grate. The staggered forward-push household garbage incineration fire grate structure comprises three sections, namely, a drying section, a combustion section and an ash section, wherein each section of the fire grate has an independent drive system and has the fall; the fire grate comprises fixed fire grate bodies, sliding fire grate bodies, covering fire grate bodies and discharging fire grate bodies; the sliding fire grate bodies and the fixed fire grate bodies are arranged in a staggered manner, the sliding fire grate bodies driven by sliding fire grate beam slide on a support frame, the fixed fire grate bodies on fixed fire grate beams are kept static, the covering fire grate bodies are arranged in the front of all the sections of fire grate, and the discharging fire grate bodies are arranged at tails of all the sections of fire grate. By the aid of the fire grate structure, the garbage loosening effect is better, combustion is more uniform, the combustion condition is easier to adjust and control, the running power consumption is low, so that the air volume and the air pressure are controlled to be more ideal, dust produced after combustion is low in concentration and large in particle size, the slag leakage rate is low, and the structure is more suitable for complex garbage components.

Description

A kind of domestic waste incineration row structure of alternating expression forwards
Technical field
The present invention relates to one way of life garbage incinerating system, especially the structure of alternating expression forwards fire grate is improved.
Background technology
It is main that current domestic garbage incinerator fire grate mostly is horizontal backstepping, does not stir or reducing mechanism, causes garbage crushing insufficient, and the air holes space on fire grate is easily blocked by rubbish, thus make waste incineration insufficient, have impact on the follow-up landfill of rubbish, and to environment.
Traditional longitudinal forwards fire grate, as Chinese patent CN201748438U, is applicable to the stoker fired grate of burning city domestic garbage, is made up of fire grate segment, travelling oven stringer, stationary furnace stringer; Wherein, travelling oven stringer and fire grate segment jointly form travelling oven and arrange, and stationary furnace stringer and fire grate segment jointly form stationary furnace and arrange, and travelling oven arrangement arranges along fire grate width interlaced arrangement with stationary furnace.And for example CN 102519043A, a kind of large-scale incinerator stoker fired grate, this stoker fired grate is dryer section, burning zone, burning segment three stage structure; Every section of fire grate is and arranges dynamic, pusher type structure, and travelling oven arrangement and stationary furnace arrange along burning line laterally staggered, is provided with rational gap between each adjacent fire grate row; Every section of fire grate all arranges independent fluid pressure drive device; Normal throw about 1.2 ~ 1.4m between every section of fire grate, angle of inclination is 15 °; Combustion air is delivered to for except waste incineration above fire grate except the air vent by fire grate segment front end, can also be delivered to above fire grate by the gap between each adjacent fire grate row.By pusher, the rubbish in hopper is delivered to fire grate dryer section, rubbish is sent to burning line downstream by the reciprocating motion then arranged by travelling oven, burns the slag produced and is discharged by mucking machine.
But owing to there is gap between above-mentioned sliding beam and built-in beam, it is more various that burning wind enters burner hearth mode, alleviate the situation of air holes space blocking, but the built-in beam longitudinally arranged remains static, the rubbish on built-in beam can be caused to advance consequence slowly, thus have impact on the efficiency of waste incineration.
Summary of the invention
Object of the present invention overcomes above-mentioned the deficiencies in the prior art, proposes a kind of domestic waste incineration of alternating expression forwards that adopts and arranges.
Concrete technical scheme of the present invention is as follows:
Adopt a domestic waste incineration row structure for alternating expression forwards, described fire grate divides three sections, comprises dryer section, burning zone and burning segment; Each section of fire grate has independently drive system separately, and is provided with drop; Described fire grate is made up of fixed grate, slip fire grate, covering fire grate, blanking fire grate; Slip fire grate and fixed grate are arranged in the mode be interspersed, the slip fire grate that slip fire grate beam drives slides on support saddle frame, fixed grate on stationary furnace stringer keeps static, and hide fire grate and be arranged on each section of fire grate front portion, blanking fire grate is arranged on each section of fire grate afterbody.
Further, fire grate front portion is provided with hydraulic cylinder, drive push rod to prolong the rubbish direction of motion and promote to drive crossbeam to seesaw, and drive vertically arranged slip fire grate beam on crossbeam, slide plate is equipped with in bottom, and supporting seat seesaws.
Further, slip fire grate beam and stationary furnace stringer all adopt wave saw-tooth-type structures, and beam is furnished with fire grate block, and slip fire grate and fixed grate are arranged in a staggered manner.
Further, between each section of fire grate, drop is set, when rubbish is fallen, plays the effect of loose rubbish.
The means such as further, burning zone fire grate is arranged with thermocouple, measures stoker surface temperature, is judged the incineration firing situation of stoker surface, rafting line speed by regulating stove by temperature data, increase and decrease air quantity, improve incinerator integral combustion efficiency.
The invention has the beneficial effects as follows:
Because fire grate structure of the present invention is slip, fixing alternating expression layout, all rubbish all can be subject to above-below direction on fire grate, and the effect of left and right directions shearing friction power is rolled, so make the loose better effects if of rubbish, burn more even, combustion position is more easily regulated, controls, run power consumption little, thus make air quantity and blast also control even more ideal, the dust concentration produced after burning is few, particle diameter is large, and leakage slag rate is low, is more suitable for complicated component of refuse.Due to fire grate run interleaving mode, drive fire grate next time distinguished and admirable turn evenly each, fire grate cooling itself effect is also significantly increased, more than 25% can be increased the service life, maintenance period extend more than 20%, greatly reduce operation cost.
Accompanying drawing explanation
Fig. 1 adopts the general structure sectional view of the incinerator of the garbage incinerating system of alternating expression forwards fire grate.
Fig. 2 dryer section slip fire grate sectional view.
Fig. 3 dryer section fire grate beam top view.
Fig. 4 fire grate outline drawing.
The thermocouple structure schematic diagram of fire grate described in Fig. 5.
In figure: 01-dryer section, 02-burning zone, 03-burning segment, 03,101-covering fire grate, 102-slip fire grate, 103-fixed grate, 201-hydraulic cylinder, 202-driving push rod, the motion of 203-driving beam, 204-slip fire grate beam, 205-supporting seat, 206-stationary furnace stringer, 207-side bar, 208-blanking fire grate brace summer, 401 fire-grating seats, 402 fire grate cover plates, 403-fin, 404-air holes, 405-galvanic couple mount pad.
Detailed description of the invention
As shown in Figure 1, alternating expression forwards fire grate divides three sections of settings, is respectively dryer section 01, burning zone 02, burning segment 03.Each intersegmentally exist drop wall.Described fire grate, each section of front portion is provided with and hides fire grate 101, and slip fire grate 102 and fixed grate 103, with interval mode interlaced arrangement, are finally provided with blanking fire grate 104.Each section of fire grate has independently drive system, for dryer section 01, as shown in Figure 2, by the hydraulic cylinder 201 of fire grate front portion, driving push rod 202 back and forth to drive along rubbish throughput direction drives beam 203 to move, and drives beam 203 to drive slip fire grate beam 204, and slip fire grate beam is furnished with supporting seat 205 for 204 times, supporting seat 205 upper surface and horizontal plane angle are 10 °, the front elevation angle, and slip fire grate beam 204 moves reciprocatingly along A direction.Fire grate and horizontal plane are 15 °, the rear elevation angle, and slip fire grate 102 and fixed grate 103 upper surface and horizontal plane are 3 °, the rear elevation angle.As shown in Figure 3, because slip fire grate beam 204 and stationary furnace stringer 206 all adopt wave saw-tooth-type structures, slip fire grate 102 and fixed grate 103 is made to be able to interlaced arrangement.Both sides side bar 207 also there is fixed grate 103, welds with blanking fire grate brace summer 208 bottom stationary furnace stringer 206, blanking fire grate brace summer 208 installs blanking fire grate.Burning zone 02, burning segment 03 construct and driving principle identical with dryer section 01.Slip fire grate 102 and fixed grate 103 use split-type structural, and be made up of fire-grating seat 401 and fire grate cover plate 402 respectively, wherein fixed grate profile as shown in Figure 4, alleviates separate room weight after split, are convenient to install.Fire grate cover plate 402 bottom is provided with fin 403, and surface is provided with air holes 404, and First air is blown into burner hearth by air holes 404.In burning zone 02, the part fire grate cover plate 402 of fixed grate 103 is provided with the installation of TC seat 405, as shown in Figure 5.
Because above-mentioned fire grate is for sliding, fixing alternating expression layout, all rubbish all can be subject to above-below direction on fire grate, and the effect of left and right directions shearing friction power is rolled, so make the loose better effects if of rubbish, burn more even, combustion position is more easily regulated, controls, run power consumption little, thus make air quantity and blast also control even more ideal, the dust concentration produced after burning is few, particle diameter is large, and leakage slag rate is low, is more suitable for complicated component of refuse.Due to fire grate run interleaving mode, drive fire grate next time distinguished and admirable turn evenly each, fire grate cooling itself effect is also significantly increased, more than 25% can be increased the service life, maintenance period extend more than 20%, greatly reduce operation cost.

Claims (4)

1. adopt a domestic waste incineration row structure for alternating expression forwards, described fire grate divides three sections, comprises dryer section, burning zone and burning segment; Each section of fire grate has independently drive system separately, and is provided with drop; It is characterized in that, described fire grate is made up of fixed grate, slip fire grate, covering fire grate, blanking fire grate; Slip fire grate and fixed grate are arranged in the mode be interspersed, the slip fire grate that slip fire grate beam drives slides on support saddle frame, fixed grate on stationary furnace stringer keeps static, and hide fire grate and be arranged on each section of fire grate front portion, blanking fire grate is arranged on each section of fire grate afterbody.
2. a kind of domestic waste incineration row structure adopting alternating expression forwards according to claim 1, it is characterized in that, fire grate front portion is provided with hydraulic cylinder, drive push rod to prolong the rubbish direction of motion to promote to drive crossbeam to seesaw, and drive vertically arranged slip fire grate beam on crossbeam, slide plate is equipped with in bottom, and supporting seat seesaws.
3. a kind of domestic waste incineration row structure adopting alternating expression forwards according to claim 1, it is characterized in that, slip fire grate beam and stationary furnace stringer all adopt wave saw-tooth-type structures.
4. a kind of domestic waste incineration row structure adopting alternating expression forwards according to claim 1, it is characterized in that, burning zone fire grate is arranged with thermocouple.
CN201510411773.3A 2015-07-15 2015-07-15 Staggered forward-push household garbage incineration fire grate structure Active CN104949133B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN104949133B CN104949133B (en) 2017-04-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107687645A (en) * 2017-07-21 2018-02-13 北方重工集团有限公司 The dynamic inverse-push domestic waste incineration row structure of one kind row

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101089472A (en) * 2007-07-18 2007-12-19 重庆科技学院 Lateral alternate arranged grate of incinerator and compensation device
CN201141608Y (en) * 2007-08-03 2008-10-29 重庆科技学院 Reciprocating grate system with transversal motion
CN201141604Y (en) * 2007-08-01 2008-10-29 重庆科技学院 Segmenting-drive combined grate system
CN201141605Y (en) * 2007-08-01 2008-10-29 重庆科技学院 Primary air feed device for combined grate incineration furnace
CN102519043A (en) * 2011-12-23 2012-06-27 上海康恒环境工程有限公司 Mechanical grate of large-sized incinerator
CN102607038A (en) * 2012-04-01 2012-07-25 光大环保科技发展(北京)有限公司 Control method for fire grate segments of garbage incinerator
CN202511287U (en) * 2012-04-26 2012-10-31 江苏天楹环保能源股份有限公司 Unit modular large-scale household garbage incinerator
CN102927572A (en) * 2012-11-21 2013-02-13 上海康恒环境工程有限公司 Garbage burning equipment with forward-pushing three-section type cooling high-pressure loss fire grate and method for burning garbage by using garbage burning equipment
CN202884932U (en) * 2012-09-12 2013-04-17 吕庆忠 Multi-drive high-pressure-loss fire grate type household garbage incinerator
CN204786438U (en) * 2015-07-15 2015-11-18 上海康恒环境股份有限公司 Structure is arranged in same direction as garbage incinerator who pushes away to alternating expression

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101089472A (en) * 2007-07-18 2007-12-19 重庆科技学院 Lateral alternate arranged grate of incinerator and compensation device
CN201141604Y (en) * 2007-08-01 2008-10-29 重庆科技学院 Segmenting-drive combined grate system
CN201141605Y (en) * 2007-08-01 2008-10-29 重庆科技学院 Primary air feed device for combined grate incineration furnace
CN201141608Y (en) * 2007-08-03 2008-10-29 重庆科技学院 Reciprocating grate system with transversal motion
CN102519043A (en) * 2011-12-23 2012-06-27 上海康恒环境工程有限公司 Mechanical grate of large-sized incinerator
CN102607038A (en) * 2012-04-01 2012-07-25 光大环保科技发展(北京)有限公司 Control method for fire grate segments of garbage incinerator
CN202511287U (en) * 2012-04-26 2012-10-31 江苏天楹环保能源股份有限公司 Unit modular large-scale household garbage incinerator
CN202884932U (en) * 2012-09-12 2013-04-17 吕庆忠 Multi-drive high-pressure-loss fire grate type household garbage incinerator
CN102927572A (en) * 2012-11-21 2013-02-13 上海康恒环境工程有限公司 Garbage burning equipment with forward-pushing three-section type cooling high-pressure loss fire grate and method for burning garbage by using garbage burning equipment
CN204786438U (en) * 2015-07-15 2015-11-18 上海康恒环境股份有限公司 Structure is arranged in same direction as garbage incinerator who pushes away to alternating expression

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107687645A (en) * 2017-07-21 2018-02-13 北方重工集团有限公司 The dynamic inverse-push domestic waste incineration row structure of one kind row

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