CN1332332A - Garbage pretreating process and pretreater for garbage incinerating fluidized bed boiler - Google Patents
Garbage pretreating process and pretreater for garbage incinerating fluidized bed boiler Download PDFInfo
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- CN1332332A CN1332332A CN 00109873 CN00109873A CN1332332A CN 1332332 A CN1332332 A CN 1332332A CN 00109873 CN00109873 CN 00109873 CN 00109873 A CN00109873 A CN 00109873A CN 1332332 A CN1332332 A CN 1332332A
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- ribbon conveyer
- rotary screen
- pulverizer
- dispenser
- garbage
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Abstract
The invention features that after chunk matterial is removed from original raw garbage by hopper with even feeding; the selected garbage is sent to revolving sifter by transporting through band conveyer (1); then, the remaining material on the transporting band conveyer (2) is separated and picked by manual work; as the band goes on, the material enters to crusher to be crushed then enters into furnace; the fine stuff on underpart of the revolving sifter falls on band conveyer (3) and enters into furnace with iron stuff having been removed. The invented technique provides features of simple process, easy of realization, simple of equipment structure with reason, no pollution caused by water in the process.
Description
The present invention relates to a kind of garbage treating process and device, relate in particular to and be used for fluidized-bed combustion boiler and rubbish carried out pretreated technology and device before burning away the refuse.
Along with urban economy development and population constantly increase, the discharge capacity of domestic waste, content of organics and calorific value all increase.But, cause serious environmental to pollute and the wasting of resources because the present most of municipal refuses of China adopt simple the stacking.Innoxious, " three change " that subtract appearanceization and resource that how to realize domestic waste handle, and become the hot issue of people's common concern day by day.Waste incineration and generating electricity or heat supply, big, the innoxious degree height of capacity is lacked, subtracted to, the processing time big because of its treating capacity, secondary pollution is easy to control, can realizes advantages such as recovery energy, has developed into the waste disposal method that more traditional sanitary landfills and compost have more competitive strength.In the conventional garbage incineration technology, fluidized combustion rubbish technology because of its flameholding, can realize adding in the stove calcium desulfurizing dechlorination and effectively control advantages such as secondary pollution, developed into the main flow of world's garbage incineration technology.In the fluidized combustion technology, require crude waste is carried out preliminary treatment.Because the unexecuted categorised collection of China's municipal refuse, the kind of rubbish, size, proportion alter a great deal, if rubbish burns directly into stove without preliminary treatment, easily cause the heavy bulk materials to go into that stove stops up and deslagging is not smooth, combustion instability, igelite in the rubbish easily produces problems such as high temperature chloride corrosion and generation dioxin contamination to boiler in combustion process, the normal operation of adversely affecting its combustion, therefore the preceding preliminary treatment of waste incineration be must carry out, bulk inorganic component and dirt and plastic containing chlorine removed.In conventional garbage preliminary treatment patented technology, with the garbage compost main purpose mostly, can not be applicable to the fluidized bed garbage combustion technological requirement.The existing Searches of Patent Literature goes out the operation of the refuse burning pretreatment method employing pulverizing → magnetic separation → drying → selection by winnowing → secondary pulverizing → screening in the Japan Patent that patent publication No. is CN 1154160A, adopt the problem of this operation to be: technology is quite complicated, and disintegrating apparatus had relatively high expectations, be unsuitable for China's rubbish characteristics.Patent publication No. is that waterpower sorting+pneumatic separating method is adopted in the waste incineration pre-treatment in the Taiwan patent of CN 1106120A, adopts the problem of this method to be, the device therefor complex structure, and have water pollution problems.And the waste preprocessing technology that is specially adapted for fluidized combustion rubbish does not see that as yet report is arranged.
In order to solve above-mentioned problems of the prior art, the purpose of this invention is to provide a kind of operation and device structure thereof and simply, do not exist water to pollute, be applicable to China's real life rubbish characteristics and produce actual waste preprocessing technology that is used for fluidized bed refuse incinerator and device thereof.
In order to reach above-mentioned goal of the invention, the step of waste preprocessing technology of the present invention is: behind the crude waste process even feeding device, send into tilted-putted rotary screen going into to select materials by ribbon conveyer one.Rotary screen top coarse fodder is delivered in and enters pulverizer after ribbon conveyer two enterprising pedestrian's work points are chosen.Material after pulverizer is pulverized enters fluidized-bed combustion boiler and burns.Rotary screen bottom fines drops on and directly enter the fluidized-bed combustion boiler burning on the ribbon conveyer three after the tramp iron separator deironing.
In order to reach another above-mentioned goal of the invention, realize the device of waste preprocessing technology of the present invention, it comprises dispenser, ribbon conveyer one, rotary screen, receiving hopper, ribbon conveyer three, tramp iron separator, ribbon conveyer two and pulverizer.Dispenser places the top of ribbon conveyer one, and rotary screen tilts to be placed between the top of the end of ribbon conveyer one and ribbon conveyer two.The rotary screen bottom is over against the material receiving port of receiving hopper, and the discharging opening of receiving hopper is over against the top of ribbon conveyer three.The top of ribbon conveyer three is provided with tramp iron separator.Pulverizer places ribbon conveyer two terminal belows.Its design feature is: it is trapezoidal that the cross sectional shape of described dispenser is inversion.The metallic sieve that the aperture is 200mm-500mm is equipped with in the dispenser upper surface.The bottom of dispenser is provided with the rotating shaft of a pair of switched in opposite, be equipped with respectively in each rotating shaft interlaced, the steel wire with broken and broken bag function.The screen-aperture of described rotary screen is 40mm-80mm.
According to above-mentioned technical scheme, described pulverizer is made up of housing, charging aperture, discharging opening and two motors.Charging aperture is positioned in the middle of the housing top.Discharging opening is positioned in the middle of the housing bottom.Each motor is positioned at the discharging opening both sides.Many rows stainless steel wire of interlaced arrangement is installed in the rotating shaft of each motor shaft in connection places housing in each rotating shaft.
Because the present invention has adopted above-mentioned processing step and corollary apparatus thereof, development main flow at present fluidized combustion rubbish, in time propose to be suitable for the waste preprocessing technology that fluidized-bed combustion boiler burns, help to promote further developing of garbage incineration technology, promote domestic waste innoxious, subtract appearanceization and recycling treatment.This processing step adopts and manually engages with conventional mechanical, and technology is easy to simply realize that investment and operating cost are lower, is fit to the national conditions of developing countries' disposal of refuse, is easy to obtain in actual applications implement and promote.Special charging gear has been realized filtering, fragmentation just and the functions such as broken bag and even feeding of especially big material in the technology, has guaranteed the stability and the reliability of whole technology operation from the source.The laggard pedestrian's work point of rotary screen is chosen, and has alleviated manual sorting's workload, guarantees letter sorting completely.Carry out deironing behind the rotary screen and handle, help guaranteeing deironing thoroughly and fully, can reduce the load of tramp iron separator simultaneously, after special pulverizer places sorting, help reducing and pulverize load and guarantee that the pulverizer security of operation is stable.Compare with prior art, technology of the present invention is simple, be easy to realize.Technology equipment therefor of the present invention, it is simple in structure, reasonable in design, use in the non-processor water pollution problems.Be particularly suitable for being used in China's house refuse characteristics and the production reality garbage disposal of fluidized bed refuse incinerator.
The present invention is further illustrated below in conjunction with accompanying drawing and the specific embodiment thereof.
Fig. 1 is technological process of the present invention and device schematic layout pattern thereof;
Fig. 2 is the theory structure schematic diagram of apparatus of the present invention dispenser;
Fig. 3 is the theory structure schematic diagram of apparatus of the present invention pulverizer.
Referring to Fig. 1, the step of waste preprocessing technology of the present invention is, crude waste is sent into rotary screen 3 going into to select materials by ribbon conveyer 1 after removing bulk materials through even feeding device 1, and rotary screen 3 top coarse fodders are delivered in and enter pulverizer 8 after ribbon conveyer 27 enterprising pedestrian's work points are chosen.Material after pulverizer 8 is pulverized enters fluidized-bed combustion boiler and burns.The fines of rotary screen 3 bottoms passes to drop on through receiving hopper 4 and directly enter the fluidized-bed combustion boiler burning on the ribbon conveyer 35 after tramp iron separator 6 deironing.
Referring to Fig. 1 to Fig. 3, the device of waste preprocessing technology of the present invention comprises dispenser 1, ribbon conveyer 1, rotary screen 3, receiving hopper 4, ribbon conveyer 35, tramp iron separator 6, ribbon conveyer 27 and pulverizer 8.Dispenser 1 places the top of ribbon conveyer 1, and rotary screen 3 tilts to be placed between the top of the end of ribbon conveyer 1 and ribbon conveyer 27.Rotary screen 3 bottoms are over against the material receiving port of receiving hopper 4, and the discharging opening of receiving hopper 4 is over against the top of ribbon conveyer 35.The top of ribbon conveyer 35 is provided with tramp iron separator 6.Pulverizer 8 places ribbon conveyer 27 terminal belows.Material by ribbon conveyer 35 and pulverizer 8 outputs can directly enter fluidized bed refuse incinerator.It is trapezoidal that the cross sectional shape of described dispenser 1 is inversion, the metallic sieve 9 that the aperture is 200mm-500m is equipped with in its upper surface, be provided with the rotating shaft of a pair of switched in opposite in its bottom, stainless steel wire interlaced, that have fragmentation and broken bag function is housed respectively in each rotating shaft.The screen-aperture of described rotary screen 3 is 40mm-80mm.Described pulverizer 8 is to be made of housing 13, charging aperture 12, discharging opening 17 and two motors 16.Charging aperture 12 is positioned in the middle of housing 13 tops.Discharging opening 17 is positioned in the middle of housing 13 bottoms.Each motor 16 is positioned at discharging opening 17 both sides, and each motor 16 axially connects the rotating shaft 15 that places in the housing 13.Many rows stainless steel wire 14 of interlaced arrangement is installed in each rotating shaft 15.
The device of waste preprocessing technology of the present invention uses with described processing step identical.The manual sorting carries out on ribbon conveyer two.Can remove the catalytic metal of polyvinyl chloride plastic and generation dioxin,, help reducing the generation source of dioxin in the waste incineration process as copper and iron.The recyclable utilization of the glass that sorts out, plastics and metal, thus increase income and reduce operating cost.Guarantee fluidized-bed combustion boiler stable operation simultaneously.The brick and tile that sort out can be made building materials or innoxious landfill, can prevent the non-obstruction that subtracts tolerant material to the boiler gateway of bulk simultaneously, guarantee boiler safety stable operation.
Claims (3)
1, a kind of waste preprocessing technology that is used for fluidized bed refuse incinerator, after the steps include: that crude waste is removed bulk materials through the even feeding device, going into to select materials by the tilted-putted rotary screen of ribbon conveyer-send into, rotary screen top coarse fodder is delivered in and enters pulverizer after ribbon conveyer two enterprising pedestrian's work points are chosen, coarse fodder after pulverizer is pulverized enters fluidized-bed combustion boiler and burns, and the fines of rotary screen bottom passes to drop on and directly enter the fluidized-bed combustion boiler burning on the ribbon conveyer three after the tramp iron separator deironing.
2, realize the described device that is used for the waste preprocessing technology of fluidized bed refuse incinerator of claim 1, it comprises dispenser (1), ribbon conveyer one (2), rotary screen (3), receiving hopper (4), ribbon conveyer three (5), tramp iron separator (6), ribbon conveyer two (7) and pulverizer (8), dispenser (1) places the top of ribbon conveyer one (2), rotary screen (3) tilts to be placed between the top of the end of ribbon conveyer one (2) and ribbon conveyer two (7), rotary screen (3) bottom is over against the material receiving port of receiving hopper (4), the discharging opening of receiving hopper (4) is over against the top of ribbon conveyer three (5), the top of ribbon conveyer three (5) is provided with tramp iron separator (6), pulverizer (8) places ribbon conveyer two (7) terminal belows, it is characterized in that: it is trapezoidal that the cross sectional shape of described dispenser (1) is inversion, the metallic sieve that the aperture is 200mm-500mm (9) is equipped with in dispenser (1) upper surface, be provided with the rotating shaft of a pair of switched in opposite in the bottom of dispenser (1), be equipped with interlaced in each rotating shaft respectively, have the stainless steel wire of broken and broken bag function, the screen-aperture of described rotary screen (3) is 40mm-80mm.
3, according to the described device of claim 2, it is characterized in that: described pulverizer (8) is to be made of housing (13), charging aperture (12), discharging opening (17) and two motors (16), charging aperture (12) is positioned in the middle of housing (13) top, discharging opening (17) is positioned in the middle of housing (13) bottom, each motor (16) is positioned at discharging opening (17) both sides, each motor (16) axially connects the rotating shaft (15) that places in the housing (13), and many rows stainless steel wire (14) that interlaced arrangement is installed is gone up in each rotating shaft (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00109873 CN1133041C (en) | 2000-07-10 | 2000-07-10 | Garbage pretreating process and pretreater for garbage incinerating fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00109873 CN1133041C (en) | 2000-07-10 | 2000-07-10 | Garbage pretreating process and pretreater for garbage incinerating fluidized bed boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1332332A true CN1332332A (en) | 2002-01-23 |
| CN1133041C CN1133041C (en) | 2003-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 00109873 Expired - Lifetime CN1133041C (en) | 2000-07-10 | 2000-07-10 | Garbage pretreating process and pretreater for garbage incinerating fluidized bed boiler |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104820374A (en) * | 2015-04-22 | 2015-08-05 | 南通理工学院 | Automatic feeding loading simulation system based on touch screen |
| CN106622968A (en) * | 2016-10-21 | 2017-05-10 | 山东省农业机械科学研究院 | Special plastic removing and rubbing production line for manufacturing fertilizer through greenhouse vegetable straws and plastic removing and rubbing method |
| CN106269793B (en) * | 2016-08-23 | 2018-06-29 | 西京学院 | A kind of comprehensive Biohazard Waste Disposal |
| CN109365297A (en) * | 2018-12-03 | 2019-02-22 | 福建省新环能环保科技有限公司 | A kind of clinker garbage treating process |
-
2000
- 2000-07-10 CN CN 00109873 patent/CN1133041C/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104820374A (en) * | 2015-04-22 | 2015-08-05 | 南通理工学院 | Automatic feeding loading simulation system based on touch screen |
| CN106269793B (en) * | 2016-08-23 | 2018-06-29 | 西京学院 | A kind of comprehensive Biohazard Waste Disposal |
| CN106622968A (en) * | 2016-10-21 | 2017-05-10 | 山东省农业机械科学研究院 | Special plastic removing and rubbing production line for manufacturing fertilizer through greenhouse vegetable straws and plastic removing and rubbing method |
| CN109365297A (en) * | 2018-12-03 | 2019-02-22 | 福建省新环能环保科技有限公司 | A kind of clinker garbage treating process |
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| Publication number | Publication date |
|---|---|
| CN1133041C (en) | 2003-12-31 |
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According to article 9 of the patent law and article 13 of the detailed rules for the implementation of the patent law: The invention patent of 00109873.X is authorized in this issue. At the same time, the 245491.2 utility model patent shall be given up, and the patent right abandonment announcement shall be made on the 19 edition of the 53 edition of the utility model. |
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