CN106064173A - Biomass are prepared RDF 5 smokeless and are burned steam-electric power technique - Google Patents
Biomass are prepared RDF 5 smokeless and are burned steam-electric power technique Download PDFInfo
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- CN106064173A CN106064173A CN201610488759.8A CN201610488759A CN106064173A CN 106064173 A CN106064173 A CN 106064173A CN 201610488759 A CN201610488759 A CN 201610488759A CN 106064173 A CN106064173 A CN 106064173A
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- rdf
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
Abstract
The invention discloses biomass and prepare RDF 5 smokeless burning steam-electric power technique, it is that primordial matter through a series of process and is rolled and makes bar-shaped or block solid waste derivatived fuel (RDF 5) fuel, burning RDF 5 also collects the produced high-temperature flue gas of burning, utilize high-temperature flue gas to pass through heat exchange and absorb generation vapours, vapours being passed into steam turbine generator and carries out steam-electric power, the waste heat gas produced during heat exchange absorbs is respectively used to drying garbage and RDF 5 burns in oxygen supply.Present invention achieves the comprehensive utilization of waste resource, play maximum economic benefit；The waste heat gas produced during residual heat boiler for exchanging heat is used for dried material rubbish, it is achieved recycling of heat energy；Flue dust in waste heat gas is played adsorption by material rubbish, and a part is dried produced gas and is passed in combustor, and burning for RDF 5 removes foul smell while oxygen supply, reaches the purpose of extremely low two English discharges.
Description
Technical field
The present invention relates to the processing technology field of biomass, particularly relate to a kind of biomass and prepare RDF-5 smokeless
Burn steam-electric power technique.
Background technology
Along with the fast development of China's economy, the domestic waste yield of China increases day by day, the process of rubbish and place
Put and have become as the problem that China big and medium-sized cities must solve；China's municipal refuse annual production is about to 1. 5 hundred million tons at present, and
The most also increasing；How to realize that domestic waste is innoxious, " three change " of minimizing and resource processes and has become research
Focus.House refuse is sorted, selects combustible constituent and roll and make bar-shaped or block solid waste derivatived fuel (RDF-
5), burn bar-shaped or block solid waste derivatived fuel (RDF-5) and collect by burning produced high-temperature flue gas, then by high temperature
Flue gas is passed into waste heat boiler and produces vapours, then utilizes vapours to carry out the technical scheme people in the art of steam-electric power
Member has been carried out research, and achieves praiseworthy technological achievement.
Above house refuse is made bulk fuel is bar-shaped or block solid waste derivatived fuel (RDF-5) is burned and generated height
Temperature flue gas produces vapours after heat exchange and carries out the garbage treating process of steam-electric power after trail run after a while,
The most still there are some problems having been resolved possibly through technological improvement, such as: crude waste resource cannot be accomplished
Distribute rationally；Burn after the high-temperature flue gas that bar-shaped or block solid waste derivatived fuel (RDF-5) produces carries out heat exchange absorption and produce
If the directly discharge of raw waste heat gas can cause secondary pollution, if individual processing needs higher processing cost, heat energy cannot obtain
Make full use of.
Summary of the invention
Waste resources is distributed rationally, heat energy makes full use of, extremely low two English discharges to it is an object of the invention to provide one
Biomass prepare RDF-5 smokeless burn steam-electric power technique.
The above-mentioned purpose of the present invention is realized by following technical proposal:
Biomass are prepared RDF-5 smokeless and are burned steam-electric power technique, including following step:
1) biomass are carried out broken bag process；
2) biomass after broken bag are carried out artificial screening；Select recyclable plastics, regeneration and granulation after cleaning；Select stone, brick
Blocks etc. crush, as environment-friendly building materials raw material after crushing；Select glass, clean laggard oozy glass wire drawing；
3) by step 2) residual refuse after artificial screening crosses tramp iron separator except ferrum；
4) will cross, except the rubbish after ferrum, No. 1 mechanical picker that aperture is 6cm；
5) siftage of in step 4) No. 1 mechanical picker is crossed No. 2 mechanical pickers that aperture is 2cm；
6) siftage of in step 5) No. 2 mechanical pickers is done compost treatment, make fertile soil；
7) oversize of in step 4) No. 1 mechanical picker is carried out coarse crushing, make the particle diameter of the material particles after crushing (except not having on a small quantity
Outside being crushed to) at below 6cm；
8) material after step 7) coarse crushing is crossed No. 3 mechanical pickers that aperture is 4cm；
9) oversize of in step 8) No. 3 mechanical pickers is carried out fine crushing, make the particle diameter of the material particles after crushing (except not having on a small quantity
Outside being crushed to) at below 4cm；
10) by No. 2 mechanical pickers in step 8) No. 3 siftage of mechanical picker, step 9) fine crushing gained material and step 5)
Hydraulic pressure dehydration is carried out after oversize mixing；
11) material completing hydraulic pressure dehydration is sent into biological drying room and carry out biological drying sterilization；
12) material after completing biological drying sterilization is sent in mechanical drying cylinder and is dried, and makes the material after drying contain
Water rate is less than 40%；
13) bar-producing machine sent into by the material after drying, and makes bar-shaped or block solid waste derivatived fuel (RDF-5)；
14) bar-shaped or block solid waste derivatived fuel (RDF-5) feeding combustor is burned and collects burning produced high
Temperature flue gas；
15) high-temperature flue gas is passed into waste heat boiler, after residual heat boiler for exchanging heat, produces vapours and discharge waste hot air body；
16) vapours is passed into steam turbine generator and carries out steam-electric power；
17) water produced by steam turbine generator during steam-electric power is passed into waste heat boiler as the water generating vapours
Source；
18) it is passed into step 15) is discharged waste heat gas in the mechanical drying cylinder of step 12) as drying heat source gas；
19) moisture that mechanical drying cylinder produces in drying course is condensed；
20) after being condensed by moisture, gained gas is passed in the combustor of step 14) in right amount, for the burning oxygen supply of its inside, with
Time also burn deodorization；
21) if moisture condensation after gained gas for step 20) after still have residue, enter this step: led to by remaining gas
Enter to the biological drying of step 11) indoor, increase heat energy for biological dry disinfection.
The invention has the beneficial effects as follows:
1, biomass are carried out classification and reclaim the raw material being respectively prepared plastic, glass and construction material, remain organic
Bar-shaped or block solid waste derivatived fuel (RDF-5) made by rubbish, it is achieved the comprehensive utilization of waste resource, plays maximum economical
Benefit；
2, burn bar-shaped or block solid waste derivatived fuel (RDF-5) and collect by burning produced high-temperature flue gas, utilizing
Heat-exchanger rig (waste heat boiler) absorbs the heat energy in high-temperature flue gas and produces vapours, utilizes vapours to carry out steam-electric power, will
The waste heat gas produced during residual heat boiler for exchanging heat is for dried material rubbish, it is achieved recycling of heat energy, improves economy
Benefit；
3, utilizing waste heat gas drying material rubbish, the flue dust in waste heat gas is played adsorption by material rubbish；A part
It is dried produced gas to be passed in biological drying room, increases the temperature that biological drying is indoor, improve biological drying sterilization
Efficiency；A part is dried produced gas and is passed in combustor, for bar-shaped or block solid waste derivatived fuel (RDF-5)
Foul smell is removed while burning oxygen supply；Realize extremely low two English discharges, be substantially reduced the secondary caused in garbage processing procedure dirty
Dye.
Accompanying drawing explanation
Fig. 1 is present invention process flow chart.
Detailed description of the invention
Carry out technical scheme detailed further below by embodiment, but protection domain is not limited to this.
Embodiment: biomass are prepared RDF-5 smokeless and burned steam-electric power technique, as it is shown in figure 1, by collection
Biomass are through a series of process and make bar-shaped or block solid waste derivatived fuel (RDF-5), burn bar-shaped or block
Solid waste derivatived fuel (RDF-5) also collects the produced high-temperature flue gas of burning, utilizes high-temperature flue gas to pass through heat exchange and absorbs raw
Become vapours, vapours is passed into steam turbine generator and carries out steam-electric power.The waste hot air produced during heat exchange absorbs
Body is respectively used in drying garbage and bar-shaped or block solid waste derivatived fuel (RDF-5) burning oxygen supply, thus reaches thermal source
Comprehensive utilization, extremely low two English discharges and the purpose of increase economic benefit.Specifically include following step:
1) by collect biomass (house refuse, garden waste, human and animal excreta and spoil etc. be referred to as biomass, its
In, people abandon after liking house refuse is loaded refuse bag) carry out broken bag process；
2) biomass after broken bag are carried out artificial screening；Selecting recyclable plastics, regeneration and granulation after cleaning, as plastic shaping
Raw material；Select stone, fragment of brick etc. to crush, as environment-friendly building materials raw material after crushing；Select glass, clean laggard oozy glass
Wire drawing becomes the raw material of glass；
3) by step 2) residual refuse after artificial screening crosses tramp iron separator except ferrum；
4) will cross, except the rubbish after ferrum, No. 1 mechanical picker that aperture is 6cm；
5) siftage of in step 4) No. 1 mechanical picker is crossed No. 2 mechanical pickers that aperture is 2cm；
6) siftage of in step 5) No. 2 mechanical pickers is done compost treatment, form fertile soil；
7) oversize of in step 4) No. 1 mechanical picker is carried out coarse crushing, make the particle diameter of the material particles after crushing (except not having on a small quantity
Outside being crushed to) at below 6cm；
8) material after step 7) coarse crushing is crossed No. 3 mechanical pickers that aperture is 4cm；
9) oversize of in step 8) No. 3 mechanical pickers is carried out fine crushing, make the particle diameter of the material particles after crushing (except not having on a small quantity
Outside being crushed to) at below 4cm；
10) by No. 2 mechanical pickers in step 8) No. 3 siftage of mechanical picker, step 9) fine crushing gained material and step 5)
Hydraulic pressure dehydration is carried out after oversize mixing；
11) material completing hydraulic pressure dehydration is sent into biological drying room and (refer to another entitled " a kind of biological drying sterilization chamber "
Patent application) carry out biological drying sterilization；
12) material after completing biological drying sterilization is sent in mechanical drying cylinder and is dried, and makes the material after drying contain
Water rate is less than 40%；
Wherein, in step 10), it is every 40 ~ 60cm that hydraulic pressure is dehydrated its pressure size2Bear 400 ~ 600T pressure, make material aqueous
Rate (percentage by weight that moisture is overall with material) is less than 50%；In step 11), the material water ratio after biological drying sterilization is little
In 45%；This has concrete introduction in the patent application of another entitled " a kind of bioanalysis drying garbage sterilization process "；
13) bar-producing machine sent into by the material after drying, and makes bar-shaped or block solid waste derivatived fuel (RDF-5)；
14) bar-shaped or block solid waste derivatived fuel (RDF-5) feeding combustor is burned and collects burning produced high
Temperature flue gas；
15) high-temperature flue gas is passed into waste heat boiler, after residual heat boiler for exchanging heat, produces vapours and discharge waste hot air body；
16) vapours is passed into steam turbine generator and carries out steam-electric power；
17) water produced by steam turbine generator during steam-electric power is passed into waste heat boiler as the water generating vapours
Source；
18) the waste heat gas discharged in step 15) is passed into as drying heat source gas the mechanical drying cylinder of step 12)
In；
19) carry out the moisture that mechanical drying cylinder produces in drying course condensing (condensed temperature is generally less than 50 °,
The moisture content making gas is down to 20% ~ 30%), to make water vapor condensation be aqueous water thus reduces gas gross, removes steam
Steam can also be avoided during next step oxygen supply to produce cooling effect；
20) after being condensed by moisture, gained gas is passed in the combustor of step 14) in right amount, for the same of oxygen supply of burning of its inside
Time also burn deodorization；
21) if moisture condensation after gained gas for step 20) after still have residue, enter this step: led to by remaining gas
Enter to the biological drying of step 11) indoor, increase heat energy for biological dry disinfection, accelerate fermentation reaction, reduce fermentation dried
Time.
During June 2015 February in 2015, Fujian Zheng Ren environmental protection company limited utilizes the technical scheme in the present embodiment
Contrast experiment has been carried out with former technical scheme, found that: the biomass of isodose, utilize the technical scheme ratio in the present embodiment
Utilizing former technical scheme generated energy to improve more than 32%, dioxin emission is substantially reduced, and overall economic benefit improves more than 37%.
The foregoing is only the preferred embodiments of the present invention, be not limited to invention, although with reference to aforementioned enforcement
The present invention has been described in detail by example, and for a person skilled in the art, it still can be to foregoing embodiments
Described technical scheme is modified, or wherein portion of techniques feature is carried out equivalent.All invention spirit and
Within principle, any modification, equivalent substitution and improvement etc. made, within should be included in the protection domain of invention.
Claims (1)
1. biomass are prepared RDF-5 smokeless and are burned steam-electric power technique, it is characterised in that include following step:
1) biomass are carried out broken bag process；
2) biomass after broken bag are carried out artificial screening；Select recyclable plastics, regeneration and granulation after cleaning；Select stone, brick
Blocks etc. crush, as environment-friendly building materials raw material after crushing；Select glass, clean laggard oozy glass wire drawing；
3) by step 2) residual refuse after artificial screening crosses tramp iron separator except ferrum；
4) will cross, except the rubbish after ferrum, No. 1 mechanical picker that aperture is 6cm；
5) siftage of in step 4) No. 1 mechanical picker is crossed No. 2 mechanical pickers that aperture is 2cm；
6) siftage of in step 5) No. 2 mechanical pickers is done compost treatment (formation fertile soil)；
7) oversize of in step 4) No. 1 mechanical picker is carried out coarse crushing, make the particle diameter of the material particles after crushing (except not having on a small quantity
Outside being crushed to) at below 6cm；
8) material after step 7) coarse crushing is crossed No. 3 mechanical pickers that aperture is 4cm；
9) oversize of in step 8) No. 3 mechanical pickers is carried out fine crushing, make the particle diameter of the material particles after crushing (except not having on a small quantity
Outside being crushed to) at below 4cm；
10) by No. 2 mechanical pickers in step 8) No. 3 siftage of mechanical picker, step 9) fine crushing gained material and step 5)
Hydraulic pressure dehydration is carried out after oversize mixing；
11) material completing hydraulic pressure dehydration is sent into biological drying room and carry out biological drying sterilization；
12) material after completing biological drying sterilization is sent in mechanical drying cylinder and is dried, and makes the material after drying contain
Water rate is less than 40%；
13) bar-producing machine sent into by the material after drying, and makes bar-shaped or block solid waste derivatived fuel (RDF-5)；
14) bar-shaped or block solid waste derivatived fuel (RDF-5) feeding combustor is burned and collects burning produced high
Temperature flue gas；
15) high-temperature flue gas is passed into waste heat boiler, after residual heat boiler for exchanging heat, produces vapours and discharge waste hot air body；
16) vapours is passed into steam turbine generator and carries out steam-electric power；
17) water produced by steam turbine generator during steam-electric power is passed into waste heat boiler as the water generating vapours
Source；
18) it is passed into step 15) is discharged waste heat gas in the mechanical drying cylinder of step 12) as drying heat source gas；
19) moisture that mechanical drying cylinder produces in drying course is condensed；
20) after being condensed by moisture, gained gas is passed in the combustor of step 14), in right amount for the burning oxygen supply of its inside；
21) if moisture condensation after gained gas for step 20) after still have residue, enter this step: led to by remaining gas
Enter to the biological drying of step 11) indoor, increase heat energy for biological dry disinfection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610488759.8A CN106064173A (en) | 2016-06-29 | 2016-06-29 | Biomass are prepared RDF 5 smokeless and are burned steam-electric power technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610488759.8A CN106064173A (en) | 2016-06-29 | 2016-06-29 | Biomass are prepared RDF 5 smokeless and are burned steam-electric power technique |
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| CN106064173A true CN106064173A (en) | 2016-11-02 |
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| CN201610488759.8A Pending CN106064173A (en) | 2016-06-29 | 2016-06-29 | Biomass are prepared RDF 5 smokeless and are burned steam-electric power technique |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734061A (en) * | 2016-11-28 | 2017-05-31 | 中国环境科学研究院 | Rubbish combined treatment process and system |
| CN108315081A (en) * | 2018-04-08 | 2018-07-24 | 源创环境科技有限公司 | The RDF production systems of aging rubbish are dried using the landfill gas of refuse landfill |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008272720A (en) * | 2007-04-05 | 2008-11-13 | Kenzo Takahashi | Polluted soil treatment system using waste heat |
| CN201836894U (en) * | 2010-10-22 | 2011-05-18 | 河南省澳斯迪环保机械有限责任公司 | Garbage incinerator |
| CN103934251A (en) * | 2014-01-21 | 2014-07-23 | 上海程胜环保科技有限公司 | Human household garbage disposition and recycling method |
| CN204114952U (en) * | 2014-08-20 | 2015-01-21 | 福建正仁环保有限公司 | RDF burning electricity generation system prepared by a kind of clean and effective rubbish |
-
2016
- 2016-06-29 CN CN201610488759.8A patent/CN106064173A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008272720A (en) * | 2007-04-05 | 2008-11-13 | Kenzo Takahashi | Polluted soil treatment system using waste heat |
| CN201836894U (en) * | 2010-10-22 | 2011-05-18 | 河南省澳斯迪环保机械有限责任公司 | Garbage incinerator |
| CN103934251A (en) * | 2014-01-21 | 2014-07-23 | 上海程胜环保科技有限公司 | Human household garbage disposition and recycling method |
| CN204114952U (en) * | 2014-08-20 | 2015-01-21 | 福建正仁环保有限公司 | RDF burning electricity generation system prepared by a kind of clean and effective rubbish |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734061A (en) * | 2016-11-28 | 2017-05-31 | 中国环境科学研究院 | Rubbish combined treatment process and system |
| CN108315081A (en) * | 2018-04-08 | 2018-07-24 | 源创环境科技有限公司 | The RDF production systems of aging rubbish are dried using the landfill gas of refuse landfill |
| CN108315081B (en) * | 2018-04-08 | 2023-11-28 | 源创环境科技有限公司 | RDF production system for drying stale garbage by using landfill gas of garbage landfill |
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Application publication date: 20161102 |
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