CN107214172A - A kind of process for innoxious treating of life garbage in urban area - Google Patents
A kind of process for innoxious treating of life garbage in urban area Download PDFInfo
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- CN107214172A CN107214172A CN201710032951.0A CN201710032951A CN107214172A CN 107214172 A CN107214172 A CN 107214172A CN 201710032951 A CN201710032951 A CN 201710032951A CN 107214172 A CN107214172 A CN 107214172A
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- house refuse
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- urban area
- garbage
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 55
- 230000008569 process Effects 0.000 title claims abstract description 23
- 239000002689 soil Substances 0.000 claims abstract description 44
- 239000004033 plastic Substances 0.000 claims abstract description 40
- 229920003023 plastic Polymers 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims abstract description 14
- 239000010806 kitchen waste Substances 0.000 claims abstract description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- 239000003302 ferromagnetic material Substances 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims description 90
- 238000009825 accumulation Methods 0.000 claims description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000011449 brick Substances 0.000 claims description 18
- 239000000446 fuel Substances 0.000 claims description 16
- 239000004576 sand Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000010849 combustible waste Substances 0.000 claims description 6
- 239000002781 deodorant agent Substances 0.000 claims description 6
- 230000029087 digestion Effects 0.000 claims description 6
- 239000010794 food waste Substances 0.000 claims description 6
- 239000011464 hollow brick Substances 0.000 claims description 6
- 238000007885 magnetic separation Methods 0.000 claims description 6
- 238000002203 pretreatment Methods 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 239000010865 sewage Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000001877 deodorizing effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 2
- 230000000505 pernicious effect Effects 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 description 5
- 239000002361 compost Substances 0.000 description 4
- 238000004332 deodorization Methods 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000006298 dechlorination reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 235000021049 nutrient content Nutrition 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000010909 process residue Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of process for innoxious treating of life garbage in urban area, it is related to house refuse recycling field.House refuse is divided into ferromagnetic material, plastic products, sandy soil class, lightweight combustible and the class material of kitchen waste five by the present invention; and it is respectively used to the purposes such as brickmaking, generating; and usually require plastic products to be picked out or added reagent when breaking domestic rubbish disposal in the prior art to reduce the generation of pernicious gas bioxin during secondary utilization; the present invention reaches the purpose of simple efficient control secondary pollution by using microwave handling method under nitrogen protection, is widely portable to the processing of the house refuse of various scales.A kind of simple, efficient and environmentally friendly processing domestic garbage was harmlessly treated method is provided, house refuse is fully circulated and is used by people, practical, automaticity is high and safely controllable, and can be prevented effectively from the generation of secondary pollution.
Description
Technical field
The present invention relates to house refuse recycling field, more particularly, to a kind of innoxious place of domestic waste
Reason method.
Background technology
From State Statistics Bureau's statistics, China's house refuse amount of clearing is from 14856. 5 ten thousand tons of 2003
16395. 28 ten thousand tons in 2011 are risen to, annual growth is about 1. 3%.The volume of cargo in storage over the years of rubbish reaches more than 60 hundred million tons, entirely
State-owned more than 200 cities are absorbed among the encirclement of rubbish, and rubbish stores up the land area occupied up to more than 500,000,000 square metre.Therefore,
China's rubbish needs progress minimizing, recycling, harmless treatment badly.
At present, house refuse mainly has three kinds of processing methods：One is landfill disposal, and so-called direct landfill method is by rubbish
Insert and be compacted on ready hole middle cover, bring it about biology, physics, chemical change, decomposing organic matter, reach minimizing with
Innoxious purpose.Directly landfill can cause ground water degradation, produce the harm such as harmful toxic matter, and landfill is a large amount of cities of dissolving
The effective ways of house refuse, are also the final process method of all garbage treating process residues, China is generally using direct
Landfill method；Two be burning disposal, that is, rubbish is placed in high temperature furnace, makes the wherein fully oxidized one kind side of combustible component
Method, the heat of generation is used to generate electricity and heat.The advantage of burning disposal is good (the residue volume reduction after burning of reduced training
More than 90%, weight reduces more than 80%), processing is thorough, but burning method can cause the secondary pollution of environment, such as in rubbish
The some metals contained, burning can produce the noxious materials such as bioxin, and the construction of incineration plant and producing cost are expensive；Three are
Compost treatment, accumulates in heaps by house refuse, and insulation is to 70 DEG C of storages, fermentations, by the ability of microorganism decomposition in rubbish, will
Organic matter resolves into inorganic nutrients.After compost treatment, house refuse becomes health, tasteless humus, so both solves
Certainly the outlet of rubbish, can reach the purpose of renewable resources again, but consumer garbage compost amount is big, and nutrient content is low, is used for a long time
Easily cause soil hardening and groundwater quality degenerates, so, the scale of compost is difficult to expand.
It is therefore desirable to provide a kind of method of simple, efficient and environmentally friendly processing house refuse, make house refuse can be with
Circulate and used by people, and the generation of secondary pollution can be prevented effectively from.
The content of the invention
The technical problem to be solved in the present invention is that there is provided a kind of technique for problem present in existing domestic rubbish disposal
It is simple and convenient to operate, easily realizes the process for innoxious treating of life garbage in urban area of scale processing and low energy consumption.
The above-mentioned purpose of the present invention is achieved by the following technical programs：
There is provided a kind of process for innoxious treating of life garbage in urban area, it is characterised in that comprise the following steps：
S1 pre-treatment steps：
S11, dumping is cheated in house refuse after deodorizing process, by grab bucket feeding vertical type rubbish compressor in compress
Into block rubbish；
S12, by grab bucket by block rubbish feeding limit glassware, be evenly distributed on a moving belt feeding can be by the plastics in house refuse
Broken bag processing is carried out in the bag-breaking device that bag is broken；
S13, handled through broken bag after scattered house refuse big part sorting equipment, the big part sorting equipment are sent into by conveyer
For scalperator, particle diameter in house refuse is come out into feeding for more than 200mm bulk separating domestic garbage by scalperator and crushed
Machine is crushed；
S14, by house refuse and house refuse one after crushed of the particle diameter sorted out by scalperator for below 200mm
Rise after ferromagnetic material therein is selected in magnetic separation, enter back into the life for sub-electing that particle diameter is 40~200mm in one-level rotary screen
Rubbish living and the house refuse that particle diameter is below 40mm, particle diameter is mainly plastic products, lightweight for 40~200mm house refuse
Combustible and sandy soil class, particle diameter are mainly sandy soil class and kitchen waste for below 40mm house refuse；
S2 plastic products process steps：
S21, by the particle diameter sorted out in step S14 be 40~200mm house refuse through pneumatic separation device sorting be plastics system
Product, lightweight combustible and the class material of sandy soil class three；
S22, the plastic products sub-elected and the lightweight combustible sub-elected are delivered in combustible accumulation hole；By the sand sub-elected
Great soil group material feeding brick and tile pulverizer is crushed；
S3 sandy soil process steps：
S31, by the particle diameter sorted out in step S14 be below 40mm house refuse by star-wheel screening and choosing into particle diameter be 20
~40mm house refuse and particle diameter is below 20mm house refuse, and particle diameter is mainly food waste for 20~40mm house refuse
Discarded object, particle diameter is mainly sandy soil class for below 20mm house refuse；
S32, particle diameter sent into after brick and tile pulverizer for below 20mm house refuse, resynchronize sand after crushed in rapid S22
Great soil group material together sends into brick equipment and hollow brick is made；
S33, by particle diameter for 20~40mm house refuse send into after kitchen garbage crushing machine digesting apparatus progress thermophilic digestion, then
Send into feeding combustible accumulation hole after press apparatus squeezing water removal；
S4 combustible process steps：By in step S22 send into combustible accumulation hole in plastic products and lightweight combustible and
Kitchen waste after processing be pulverized and mixed uniform in step S33, then enters to be put under nitrogen protection micro- together
Handled in wave apparatus, environment-friendly fuel is can be used as after the repressed shaping of obtained combustible.
Further, the deodorizing process described in step S11 is that vegetation water garbage deodorant is sprayed on rubbish.
Further, it is by 8 by house refuse that block rubbish is compressed into described in step S11：1 compression factor compression, and
70%~90% sewage in extrusion house refuse.
Further, the actual conditions of microwave treatment is described in step S4：Microwave temperature is 200~260 DEG C, microwave treatment
Time is 6~12h.
Further, the actual conditions of microwave treatment is described in step S4：Microwave temperature is 260 DEG C, during microwave treatment
Between be 10h.
Further, the tail gas of microwave treatment described in step S4 is discharged after alkaline absorption solution absorbs.
Further, alkaline absorption solution described in step S4 is 5%~10% sodium hydroxide solution.
Further, the particle diameter of the combustible described in step S4 after crushing is not more than 10mm.
Further, the moisture of the combustible in the combustible accumulation hole is not higher than 8%.
The invention has the advantages that
The invention provides a kind of domestic garbage was harmlessly treated method, generally needed when breaking domestic rubbish disposal in the prior art
Reagent is picked out or adds by plastic products to reduce the generation of pernicious gas bioxin during secondary utilization, the present invention is logical
Cross using microwave handling method under nitrogen protection, on the one hand can simplify rejecting of the domestic rubbish disposal step i.e. to plastics
Either extra addition solid chlorine, sulphur-fixing agent, can greatly reduce energy consumption and improve treatment effeciency；On the other hand, can effectively reduce because
To reject secondary pollution caused by solid chlorine under not thorough or high temperature, sulphur-fixing agent failure；Further, enter under the protection of nitrogen
Row microwave dechlorination, can be rapid with inner microwave device by gases such as the hydrogen chloride of generation, sulfur dioxide, can efficiently reduce corruption
Infringement of the corrosion gas to device is tight, increases the service life.
The present invention provide domestic garbage was harmlessly treated method, technique it is simple and environmentally-friendly energy-conservation, it is workable, improve
The added value of house refuse, and can be effectively prevented from " secondary pollution ", with good promotional value.
Embodiment
The present invention is further described with reference to specific embodiment.Unless stated otherwise, the embodiment of the present invention is used
Various raw materials can by it is conventional it is purchased in market obtain, or prepared according to the conventional method of this area, device therefor is real
Test common equipment.Unless otherwise defined or described herein, all specialties used herein are ripe with art technology with scientific words
Practice meaning known to personnel identical
Embodiment 1
A kind of process for innoxious treating of life garbage in urban area, it is characterised in that comprise the following steps：
S1 pre-treatment steps：
S11, to dumping cheat in house refuse carry out sprinkling vegetation water garbage deodorant, carry out deodorization, then with grab bucket
Send into vertical type rubbish compressor, by 6:1 is compressed into block rubbish, extrusion house refuse 70%~90% sewage；
S12, by grab bucket by block rubbish feeding limit glassware, be evenly distributed on a moving belt feeding can be by the plastics in house refuse
Broken bag processing is carried out in the bag-breaking device that bag is broken；
S13, handled through broken bag after scattered house refuse big part sorting equipment, the big part sorting equipment are sent into by conveyer
For scalperator, particle diameter in house refuse is come out into feeding for more than 200mm bulk separating domestic garbage by scalperator and crushed
Machine is crushed；
S14, by house refuse and house refuse one after crushed of the particle diameter sorted out by scalperator for below 200mm
Rise after ferromagnetic material therein is selected in magnetic separation, enter back into the life for sub-electing that particle diameter is 40~200mm in one-level rotary screen
Rubbish living and the house refuse that particle diameter is below 40mm, particle diameter is mainly plastic products, lightweight for 40~200mm house refuse
Combustible and sandy soil class, particle diameter are mainly sandy soil class and kitchen waste for below 40mm house refuse；
S2 plastic products process steps：
S21, by the particle diameter sorted out in step S14 be 40~200mm house refuse through pneumatic separation device sorting be plastics system
Product, lightweight combustible and the class material of sandy soil class three；
S22, the plastic products sub-elected and the lightweight combustible sub-elected are delivered in combustible accumulation hole；By the sand sub-elected
Great soil group material feeding brick and tile pulverizer is crushed；
S3 sandy soil process steps：
S31, by the particle diameter sorted out in step S14 be below 40mm house refuse by star-wheel screening and choosing into particle diameter be 20
~40mm house refuse and particle diameter is below 20mm house refuse, and particle diameter is mainly food waste for 20~40mm house refuse
Discarded object, particle diameter is mainly sandy soil class for below 20mm house refuse；
S32, particle diameter sent into after brick and tile pulverizer for below 20mm house refuse, resynchronize sand after crushed in rapid S22
Great soil group material together sends into brick equipment and hollow brick is made；
S33, by particle diameter for 20~40mm house refuse send into after kitchen garbage crushing machine digesting apparatus progress thermophilic digestion, then
Press apparatus squeezing water removal is sent into, its moisture is not higher than 8%, rear feeding combustible accumulation hole；
S4 combustible process steps：By in step S22 send into combustible accumulation hole in plastic products and lightweight combustible and
Kitchen waste in step S33 after processing be pulverized and mixed uniformly, and the particle diameter of the combustible after crushing is not more than 10mm,
Then enter to be put into microwave device under nitrogen protection together, the isothermal holding 10h in the case where temperature is 260 DEG C, at middle carry out microwave
Reason, the tail gas of microwave treatment after 5%~10% sodium hydroxide solution absorbs discharge obtaining the repressed shaping of combustible
After can be used as environment-friendly fuel.
The environment-friendly fuel that the present embodiment is obtained is used as thermal power plant fuel, and its tail gas can reach row by conventional treatment
Put standard.
Embodiment 2
A kind of process for innoxious treating of life garbage in urban area, it is characterised in that comprise the following steps：
S1 pre-treatment steps：
S11, to dumping cheat in house refuse carry out sprinkling vegetation water garbage deodorant, carry out deodorization, then with grab bucket
Send into vertical type rubbish compressor, by 6:1 is compressed into block rubbish, extrusion house refuse 70%~90% sewage；
S12, by grab bucket by block rubbish feeding limit glassware, be evenly distributed on a moving belt feeding can be by the plastics in house refuse
Broken bag processing is carried out in the bag-breaking device that bag is broken；
S13, handled through broken bag after scattered house refuse big part sorting equipment, the big part sorting equipment are sent into by conveyer
For scalperator, particle diameter in house refuse is come out into feeding for more than 200mm bulk separating domestic garbage by scalperator and crushed
Machine is crushed；
S14, by house refuse and house refuse one after crushed of the particle diameter sorted out by scalperator for below 200mm
Rise after ferromagnetic material therein is selected in magnetic separation, enter back into the life for sub-electing that particle diameter is 40~200mm in one-level rotary screen
Rubbish living and the house refuse that particle diameter is below 40mm, particle diameter is mainly plastic products, lightweight for 40~200mm house refuse
Combustible and sandy soil class, particle diameter are mainly sandy soil class and kitchen waste for below 40mm house refuse；
S2 plastic products process steps：
S21, by the particle diameter sorted out in step S14 be 40~200mm house refuse through pneumatic separation device sorting be plastics system
Product, lightweight combustible and the class material of sandy soil class three；
S22, the plastic products sub-elected and the lightweight combustible sub-elected are delivered in combustible accumulation hole；By the sand sub-elected
Great soil group material feeding brick and tile pulverizer is crushed；
S3 sandy soil process steps：
S31, by the particle diameter sorted out in step S14 be below 40mm house refuse by star-wheel screening and choosing into particle diameter be 20
~40mm house refuse and particle diameter is below 20mm house refuse, and particle diameter is mainly food waste for 20~40mm house refuse
Discarded object, particle diameter is mainly sandy soil class for below 20mm house refuse；
S32, particle diameter sent into after brick and tile pulverizer for below 20mm house refuse, resynchronize sand after crushed in rapid S22
Great soil group material together sends into brick equipment and hollow brick is made；
S33, by particle diameter for 20~40mm house refuse send into after kitchen garbage crushing machine digesting apparatus progress thermophilic digestion, then
Press apparatus squeezing water removal is sent into, its moisture is not higher than 8%, rear feeding combustible accumulation hole；
S4 combustible process steps：By in step S22 send into combustible accumulation hole in plastic products and lightweight combustible and
Kitchen waste in step S33 after processing be pulverized and mixed uniformly, and the particle diameter of the combustible after crushing is not more than 10mm,
Then enter to be put into microwave device under nitrogen protection together, the isothermal holding 12h in the case where temperature is 200 DEG C, at middle carry out microwave
Reason, the tail gas of microwave treatment after 5%~10% sodium hydroxide solution absorbs discharge obtaining the repressed shaping of combustible
After can be used as environment-friendly fuel.
The environment-friendly fuel that the present embodiment is obtained is used as thermal power plant fuel, and its tail gas can reach row by conventional treatment
Put standard.
Embodiment 3
A kind of process for innoxious treating of life garbage in urban area, it is characterised in that comprise the following steps：
S1 pre-treatment steps：
S11, to dumping cheat in house refuse carry out sprinkling vegetation water garbage deodorant, carry out deodorization, then with grab bucket
Send into vertical type rubbish compressor, by 6:1 is compressed into block rubbish, extrusion house refuse 70%~90% sewage；
S12, by grab bucket by block rubbish feeding limit glassware, be evenly distributed on a moving belt feeding can be by the plastics in house refuse
Broken bag processing is carried out in the bag-breaking device that bag is broken；
S13, handled through broken bag after scattered house refuse big part sorting equipment, the big part sorting equipment are sent into by conveyer
For scalperator, particle diameter in house refuse is come out into feeding for more than 200mm bulk separating domestic garbage by scalperator and crushed
Machine is crushed；
S14, by house refuse and house refuse one after crushed of the particle diameter sorted out by scalperator for below 200mm
Rise after ferromagnetic material therein is selected in magnetic separation, enter back into the life for sub-electing that particle diameter is 40~200mm in one-level rotary screen
Rubbish living and the house refuse that particle diameter is below 40mm, particle diameter is mainly plastic products, lightweight for 40~200mm house refuse
Combustible and sandy soil class, particle diameter are mainly sandy soil class and kitchen waste for below 40mm house refuse；
S2 plastic products process steps：
S21, by the particle diameter sorted out in step S14 be 40~200mm house refuse through pneumatic separation device sorting be plastics system
Product, lightweight combustible and the class material of sandy soil class three；
S22, the plastic products sub-elected and the lightweight combustible sub-elected are delivered in combustible accumulation hole；By the sand sub-elected
Great soil group material feeding brick and tile pulverizer is crushed；
S3 sandy soil process steps：
S31, by the particle diameter sorted out in step S14 be below 40mm house refuse by star-wheel screening and choosing into particle diameter be 20
~40mm house refuse and particle diameter is below 20mm house refuse, and particle diameter is mainly food waste for 20~40mm house refuse
Discarded object, particle diameter is mainly sandy soil class for below 20mm house refuse；
S32, particle diameter sent into after brick and tile pulverizer for below 20mm house refuse, resynchronize sand after crushed in rapid S22
Great soil group material together sends into brick equipment and hollow brick is made；
S33, by particle diameter for 20~40mm house refuse send into after kitchen garbage crushing machine digesting apparatus progress thermophilic digestion, then
Press apparatus squeezing water removal is sent into, its moisture is not higher than 8%, rear feeding combustible accumulation hole；
S4 combustible process steps：By in step S22 send into combustible accumulation hole in plastic products and lightweight combustible and
Kitchen waste in step S33 after processing be pulverized and mixed uniformly, and the particle diameter of the combustible after crushing is not more than 10mm,
Then enter to be put into microwave device under nitrogen protection together, the isothermal holding in the case where temperature is 240 DEG C, 12h, at middle carry out microwave
Reason, the tail gas of microwave treatment after 5%~10% sodium hydroxide solution absorbs discharge obtaining the repressed shaping of combustible
After can be used as environment-friendly fuel.
The environment-friendly fuel that the present embodiment is obtained is used as thermal power plant fuel, and its tail gas can reach row by conventional treatment
Put standard.
Embodiment 4
A kind of process for innoxious treating of life garbage in urban area, it is characterised in that comprise the following steps：
S1 pre-treatment steps：
S11, to dumping cheat in house refuse carry out sprinkling vegetation water garbage deodorant, carry out deodorization, then with grab bucket
Send into vertical type rubbish compressor, by 6:1 is compressed into block rubbish, extrusion house refuse 70%~90% sewage；
S12, by grab bucket by block rubbish feeding limit glassware, be evenly distributed on a moving belt feeding can be by the plastics in house refuse
Broken bag processing is carried out in the bag-breaking device that bag is broken；
S13, handled through broken bag after scattered house refuse big part sorting equipment, the big part sorting equipment are sent into by conveyer
For scalperator, particle diameter in house refuse is come out into feeding for more than 200mm bulk separating domestic garbage by scalperator and crushed
Machine is crushed；
S14, by house refuse and house refuse one after crushed of the particle diameter sorted out by scalperator for below 200mm
Rise after ferromagnetic material therein is selected in magnetic separation, enter back into the life for sub-electing that particle diameter is 40~200mm in one-level rotary screen
Rubbish living and the house refuse that particle diameter is below 40mm, particle diameter is mainly plastic products, lightweight for 40~200mm house refuse
Combustible and sandy soil class, particle diameter are mainly sandy soil class and kitchen waste for below 40mm house refuse；
S2 plastic products process steps：
S21, by the particle diameter sorted out in step S14 be 40~200mm house refuse through pneumatic separation device sorting be plastics system
Product, lightweight combustible and the class material of sandy soil class three；
S22, the plastic products sub-elected and the lightweight combustible sub-elected are delivered in combustible accumulation hole；By the sand sub-elected
Great soil group material feeding brick and tile pulverizer is crushed；
S3 sandy soil process steps：
S31, by the particle diameter sorted out in step S14 be below 40mm house refuse by star-wheel screening and choosing into particle diameter be 20
~40mm house refuse and particle diameter is below 20mm house refuse, and particle diameter is mainly food waste for 20~40mm house refuse
Discarded object, particle diameter is mainly sandy soil class for below 20mm house refuse；
S32, particle diameter sent into after brick and tile pulverizer for below 20mm house refuse, resynchronize sand after crushed in rapid S22
Great soil group material together sends into brick equipment and hollow brick is made；
S33, by particle diameter for 20~40mm house refuse send into after kitchen garbage crushing machine digesting apparatus progress thermophilic digestion, then
Press apparatus squeezing water removal is sent into, its moisture is not higher than 8%, rear feeding combustible accumulation hole；
S4 combustible process steps：By in step S22 send into combustible accumulation hole in plastic products and lightweight combustible and
Kitchen waste in step S33 after processing be pulverized and mixed uniformly, and the particle diameter of the combustible after crushing is not more than 10mm,
Then enter to be put into microwave device under nitrogen protection together, the isothermal holding 12h in the case where temperature is 260 DEG C, at middle carry out microwave
Reason, the tail gas of microwave treatment after 5%~10% sodium hydroxide solution absorbs discharge obtaining the repressed shaping of combustible
After can be used as environment-friendly fuel.
The environment-friendly fuel that the present embodiment is obtained is used as thermal power plant fuel, and its tail gas can reach row by conventional treatment
Put standard.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., within the scope that should be included in the present invention.
Claims (10)
1. a kind of process for innoxious treating of life garbage in urban area, it is characterised in that comprise the following steps：
S1 pre-treatment steps：
S11, dumping is cheated in house refuse after deodorizing process, by grab bucket feeding vertical type rubbish compressor in compress
Into block rubbish；
S12, by grab bucket by block rubbish feeding limit glassware, be evenly distributed on a moving belt feeding can be by the plastics in house refuse
Broken bag processing is carried out in the bag-breaking device that bag is broken；
S13, handled through broken bag after scattered house refuse big part sorting equipment, the big part sorting equipment are sent into by conveyer
For scalperator, particle diameter in house refuse is come out into feeding for more than 200mm bulk separating domestic garbage by scalperator and crushed
Machine is crushed；
S14, by house refuse and house refuse one after crushed of the particle diameter sorted out by scalperator for below 200mm
Rise after ferromagnetic material therein is selected in magnetic separation, enter back into the life for sub-electing that particle diameter is 40~200mm in one-level rotary screen
Rubbish living and the house refuse that particle diameter is below 40mm, particle diameter is mainly plastic products, lightweight for 40~200mm house refuse
Combustible and sandy soil class, particle diameter are mainly sandy soil class and kitchen waste for below 40mm house refuse；
S2 plastic products process steps：
S21, by the particle diameter sorted out in step S14 be 40~200mm house refuse through pneumatic separation device sorting be plastics system
Product, lightweight combustible and the class material of sandy soil class three；
S22, the plastic products sub-elected and the lightweight combustible sub-elected are delivered in combustible accumulation hole；By the sand sub-elected
Great soil group material feeding brick and tile pulverizer is crushed；
S3 sandy soil process steps：
S31, by the particle diameter sorted out in step S14 be below 40mm house refuse by star-wheel screening and choosing into particle diameter be 20
~40mm house refuse and particle diameter is below 20mm house refuse, and particle diameter is mainly food waste for 20~40mm house refuse
Discarded object, particle diameter is mainly sandy soil class for below 20mm house refuse；
S32, particle diameter sent into after brick and tile pulverizer for below 20mm house refuse, resynchronize sand after crushed in rapid S22
Great soil group material together sends into brick equipment and hollow brick is made；
S33, by particle diameter for 20~40mm house refuse send into after kitchen garbage crushing machine digesting apparatus progress thermophilic digestion, then
Send into feeding combustible accumulation hole after press apparatus squeezing water removal；
S4 combustible process steps：By in step S22 send into combustible accumulation hole in plastic products and lightweight combustible and
Kitchen waste after processing be pulverized and mixed uniform in step S33, then enters to be put under nitrogen protection micro- together
Microwave treatment is carried out in wave apparatus, environment-friendly fuel is can be used as after the repressed shaping of obtained combustible.
2. process for innoxious treating of life garbage in urban area according to claim 1, it is characterised in that removing described in step S11
Smelly processing is that vegetation water garbage deodorant is sprayed on rubbish.
3. process for innoxious treating of life garbage in urban area according to claim 1, it is characterised in that compressed described in step S11
It is that house refuse is pressed 8 into block rubbish：1 compression factor compression, and extrude in house refuse 70%~90% sewage.
4. process for innoxious treating of life garbage in urban area according to claim 1, it is characterised in that described in step S4 at microwave
The actual conditions of reason is：Microwave temperature is 200~260 DEG C, and microwave treatment time is 6~12h.
5. process for innoxious treating of life garbage in urban area according to claim 4, it is characterised in that described in step S4 at microwave
The actual conditions of reason is：Microwave temperature is 260 DEG C, and microwave treatment time is 12h.
6. process for innoxious treating of life garbage in urban area according to claim 1, it is characterised in that described in step S4 at microwave
The tail gas of reason is discharged after alkaline absorption solution absorbs.
7. process for innoxious treating of life garbage in urban area according to claim 6, it is characterised in that alkalescence is inhaled described in step S4
Receive the sodium hydroxide solution that liquid is 5%~10%.
8. process for innoxious treating of life garbage in urban area according to claim 1, it is characterised in that pass through powder described in step S4
The particle diameter of combustible after broken is not more than 10mm.
9. process for innoxious treating of life garbage in urban area according to claim 1, it is characterised in that the combustible accumulation hole
In the moisture of combustible be not higher than 8%.
10. environment-friendly fuel can obtained by the process for innoxious treating of life garbage in urban area according to obtained by claim 1 to 9 any one
For thermal power plant fuel used to generate electricity.
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| CN101249499A (en) * | 2008-03-12 | 2008-08-27 | 钟伏桥 | Consumer waste innocent treatment comprehensive utilization technique |
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