CN105689360A - System and technology utilizing converter gas for gasifying household refuse to achieve incineration and power generation - Google Patents
System and technology utilizing converter gas for gasifying household refuse to achieve incineration and power generation Download PDFInfo
- Publication number
- CN105689360A CN105689360A CN201610123328.1A CN201610123328A CN105689360A CN 105689360 A CN105689360 A CN 105689360A CN 201610123328 A CN201610123328 A CN 201610123328A CN 105689360 A CN105689360 A CN 105689360A
- Authority
- CN
- China
- Prior art keywords
- converter
- boiler
- rotary kiln
- gas
- kiln type
- 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
Links
- 238000010248 power generation Methods 0.000 title abstract description 7
- 238000005516 engineering process Methods 0.000 title abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 42
- 238000002485 combustion reaction Methods 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000005979 thermal decomposition reaction Methods 0.000 claims abstract description 6
- 238000002309 gasification Methods 0.000 claims description 98
- 239000003034 coal gas Substances 0.000 claims description 60
- 239000010813 municipal solid waste Substances 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 31
- 230000005611 electricity Effects 0.000 claims description 28
- 239000002699 waste material Substances 0.000 claims description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000011084 recovery Methods 0.000 claims description 10
- 238000000197 pyrolysis Methods 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000006392 deoxygenation reaction Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 47
- 239000002918 waste heat Substances 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000009628 steelmaking Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 239000010791 domestic waste Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000004056 waste incineration Methods 0.000 description 2
- 208000005623 Carcinogenesis Diseases 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000036952 cancer formation Effects 0.000 description 1
- 231100000504 carcinogenesis Toxicity 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000004781 supercooling 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
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
- F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Gasification And Melting Of Waste (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a system utilizing converter gas for gasifying household refuse to achieve incineration and power generation. The system comprises a converter cooling waste heat boiler (2), a rotary kiln type gasifier (3), a secondary chamber boiler (4) and a power generation device (5); the converter cooling waste heat boiler (2) is used for performing preliminary heat recycling on the converter gas generated in a converter (1), and the household refuse input to the rotary kiln type gasifier (3) can be subject to the thermal decomposition reaction under the effect of the converter gas; gasified gas and the converter gas in the rotary kiln type gasifier (3) enter the secondary chamber boiler (4) and are subject to combustion and heat releasing in the secondary chamber boiler (4) so as to generate high-temperature steam; and the high-temperature steam generated in the secondary chamber boiler (4) can be conveyed to the power generation device (5) to generate power. The invention further discloses a technology utilizing the converter gas for gasifying the household refuse to achieve incineration and power generation. The converter gas is used for gasifying and treating urban household refuse, and is directly combusted for power generation, and energy environment friendliness is facilitated.
Description
Technical field
The present invention relates to the utilization of iron and steel coal gas of converter, burning city domestic garbage processing technology field, particularly to coal gas of converter utilization, refuse gasification incineration technology。
Background technology
In steel plant's converter producing smelting process, oxygen rifle top blowing oxygen decarburization can produce a large amount of high concentration CO coal gas of converter, and coal gas of converter is sent into gas chamber after the techniques such as supercooling, purification, dedusting and recycled。The security reliability of this technique, science recyclability, production capacity are to reclaim the key of coal gas of converter。Current China's many employings of overwhelming majority converter coal gas purification " OG method " and " LT method " is recycled, and achieves good economic benefit。
Due to the particularity that coal gas of converter is intrinsic, its removal process there is also more problem。Wherein, " OG method " needs to consume the high-temperature flue gas that a large amount of cooling water cools down rapidly 900～1000 DEG C, and water resources consumption amount is big, and a large amount of afterheat of converter gas is not utilized。" LT method ", although system reclaims coal gas of converter and can reduce great lot of water resources use, can still need to supporting spray cooling system, consumes certain water and carrys out cooling high temperature flue gas；And system requirements is more fine, requiring higher to equipment and related Control System, one-time investment is big。
Meanwhile, RECOVERY OF CONVERTER GAS technique takes CO, O in detection at quarter coal gas in removal process2Concentration, works as O2Concentration less than 2%, CO concentration just reclaim more than 30%, below standard gas then by three-way valve send into diffusing tower burning and exhausting, cause mass energy to waste。
Along with the iterative method of China's industrialization and urbanization, domestic waste problem also increasingly receives the concern of people。Currently, China's municipal refuse generation amount every year, close to 200,000,000 tons, on average produces quantity of refuse for each person every year and is about 300kg, and substantially increasing with the speed of 10% in recent years, had a strong impact on the quality of life of people。
At present, China processes the mode of house refuse and is mainly garbage loading embeading and waste incineration, but due to garbage loading embeading land occupation resource, and owing to China's population distributed pole is uneven, in the area that population density is big, the contradiction that domestic waste is in short supply with land resource is becoming increasingly acute, and is badly in need of strengthening waste incineration and garbage reclamation。Simultaneously as component of refuse is extremely complex, direct burning process can produce the organic pollutions such as two English with carcinogenesis, cause day by day serious environmental pollution。
Summary of the invention
It is an object of the invention to provide a kind of cooling water consumption can not only avoided in RECOVERY OF CONVERTER GAS process and waste heat to scatter and disappear, the system utilizing coal gas of converter gasification domestic garbage burning electricity generation of the environmental problem brought when can effectively alleviate again domestic rubbish disposal and technique。
For achieving the above object, a kind of system utilizing coal gas of converter gasification domestic garbage burning electricity generation of the present invention and the concrete technical scheme of technique are:
A kind of system utilizing coal gas of converter gasification domestic garbage burning electricity generation, including: converter cooling residual heat boiler, it is connected with the gas outlet of converter, for the coal gas of converter produced in converter is carried out preliminary heat recovery, to produce steam；Rotary kiln type gasification furnace, is connected with the gas outlet of converter cooling residual heat boiler, is input to the house refuse in rotary kiln type gasification furnace and pyrolysis can occur under the effect of coal gas of converter, to produce gasification gas and carbon containing waste residue；Secondary chamber's boiler, is connected with the gas outlet of rotary kiln type gasification furnace, and gasification gas in rotary kiln type gasification furnace and coal gas of converter enter in secondary chamber's boiler and combustion heat release in secondary chamber's boiler, to produce high-temperature steam；TRT, is connected with secondary chamber boiler, and the high-temperature steam produced in secondary chamber's boiler can be transported in TRT, to generate electricity。
A kind of technique utilizing coal gas of converter gasification domestic garbage burning electricity generation, comprises the following steps: the coal gas of converter that converter produces enters in converter cooling residual heat boiler and carries out preliminary heat recovery, to produce steam；Coal gas of converter is entered rotary kiln type gasification furnace by converter cooling residual heat boiler, to be internally formed hot environment at rotary kiln type gasification furnace, the house refuse of pretreatment sends into rotary kiln type gasification furnace through life refuse feeding device, and under the hot environment within rotary kiln type gasification furnace, there is pyrolysis, to generate gasification gas and carbon containing waste residue；The gasification gas produced in rotary kiln type gasification furnace and coal gas of converter enter secondary chamber boiler, and in secondary chamber's boiler combustion heat release, to produce high-temperature steam；The high-temperature steam produced in secondary chamber's boiler is delivered in TRT, to generate electricity。
The system utilizing coal gas of converter gasification domestic garbage burning electricity generation of the present invention and technique have the advantage that
1) present invention adopts converter coal gas high-temperature heat to carry out gasification house refuse, avoid the spraying cooling water consumption in coal-gas recovering process and waste heat scatters and disappears, and the gas feeding boiler produced directly burns, it is absent from gas recovery not qualified discharge problem, can effectively utilize the coal gas of converter energy。
2) present invention by house refuse in high temperature coal gas of converter effect gasified, burn again after producing gasifying gas, the generation of the organic pollution such as two English when house refuse can be avoided directly to burn, and landfill after first domestic garbage gasification being processed, can effectively reduce house refuse volume, reduce and directly fill appropriation of land。
Accompanying drawing explanation
Fig. 1 is the structural representation of the system utilizing coal gas of converter gasification domestic garbage burning electricity generation of the present invention；
Fig. 2 is the structural representation of the kiln gas gasifier in the present invention。
Detailed description of the invention
In order to be better understood by the purpose of the present invention, structure and function, below in conjunction with accompanying drawing, a kind of system utilizing coal gas of converter gasification domestic garbage burning electricity generation and technique to the present invention do further detailed description。
As it is shown in figure 1, the system utilizing coal gas of converter gasification domestic garbage burning electricity generation of the present invention includes the converter cooling residual heat boiler 2, rotary kiln type gasification furnace 3, secondary chamber's boiler 4 and the TRT 5 that are sequentially connected with。Wherein, converter cooling residual heat boiler 2 is connected with the gas outlet of converter 1, for the coal gas of converter produced in converter 1 is carried out preliminary heat recovery, to produce steam；Rotary kiln type gasification furnace 3 is connected with the gas outlet of converter cooling residual heat boiler 2, is input to the house refuse in rotary kiln type gasification furnace 3 and pyrolysis can occur under the effect of coal gas of converter, to produce gasification gas and carbon containing waste residue；Secondary chamber's boiler 4 is connected with the gas outlet of rotary kiln type gasification furnace 3, and gasification gas in rotary kiln type gasification furnace 3 and coal gas of converter enter in secondary chamber's boiler 4 and combustion heat release in secondary chamber's boiler 4, to produce high-temperature steam；TRT 5 is connected with secondary chamber boiler 4, and the high-temperature steam produced in secondary chamber's boiler 4 can be transported in TRT 5, to generate electricity。
Further, the drum 21 in converter cooling residual heat boiler 2 is connected with thermophore 6, and the steam produced in converter cooling residual heat boiler 2 can enter thermophore 6 after being drawn by drum 21 and carry out accumulation of heat pressure regulation, to become continuous, stable low-pressure steam。It should be noted that the outlet conduit of thermophore 6 is divided into two-way, wherein a road connects back to the steam jet 31 in kiln type gasification furnace 3, and an other road connects deaerated feedwater device 7。
Specifically, rotary kiln type gasification furnace 3 is provided with steam jet 31, the steam produced in converter cooling residual heat boiler 2 is by the steam jet 31 being delivered to after thermophore 6 pressure regulation in rotary kiln type gasification furnace 3, and it is injected in rotary kiln type gasification furnace 3 by steam jet 31, can there is water gas reaction further in the carbon containing waste residue that the steam of steam jet 31 ejection produces with house refuse thermal decomposition, to produce gasification gas and rubbish waste residue in rotary kiln type gasification furnace 3。
Deaerated feedwater device 7 is connected with the drum 21 in converter cooling residual heat boiler 2 and the drum 41 in secondary chamber's boiler 4 respectively, thinks that the drum 21 in converter cooling residual heat boiler 2 and the drum 41 in secondary chamber's boiler 4 provide recirculated water。Wherein, the steam produced in converter cooling residual heat boiler 2 can be delivered in deaerated feedwater device 7 by after thermophore 6 pressure regulation, using as deoxygenation thermal source。
Further, as shown in Figure 2, the tilting furnace of rotary kiln type gasification furnace 3 is installed, angle of inclination is preferably 3～5 °, the body of heater entry position circle of contact is evenly equipped with steam jet 31, body of heater middle part installs rotating driving device 32 additional, and inboard wall of furnace body is provided with heat-storing material 33, and the gas outlet of body of heater afterbody is provided with cyclone separator 34。Wherein, the top exit of cyclone separator 34 is connected with secondary chamber boiler 4, and outlet at bottom is connected with deslagging device 8, and the gas that cyclone separator 34 separates enters burning in secondary chamber's boiler 4, and separated waste residue then enters deslagging device 8, is arranged by outside deslagging device。Additionally, due to the discontinuity of coal gas of converter, preferably installing water-cooled push-pull valve 35 additional on the connecting pipe of rotary kiln type gasification furnace 3 and converter cooling residual heat boiler 2, when steelmaking converter is normally smelted, push-pull valve is opened, and when blowing out or shove charge, push-pull valve cuts out。
Further, rotary kiln type gasification furnace 3 is connected with life refuse feeding device 9。Wherein, for preventing from leaking out, life refuse feeding device 9 is preferably three grades of slow storehouse feed systems。Specifically, during system feeding, one-level discharge valve is opened, and other discharge valves cut out；When one-level slow storehouse quantity of refuse reaches certain reserves, one-level discharge valve cuts out, and two grades of discharge valves are opened, and rubbish enters two grades of slow storehouses ... the like complete fill process。
Further, the exhanst gas outlet of secondary chamber's boiler 4 is connected with smoke processing system, and smoke processing system includes the smoke eliminator 10, dust arrester 11, frequency converting induced draft fan 12 and the chimney 13 that are sequentially connected with。Additionally, for avoiding flame-out phenomenon in secondary chamber's boiler 4, the gaseous mixture porch of secondary chamber's boiler 4 preferably installs normal burner 42 additional, and fuel can adopt natural gas, waste oil etc.。
As it is shown in figure 1, the technique utilizing coal gas of converter gasification domestic garbage burning electricity generation of the present invention, comprise the following steps:
First, the coal gas of converter that converter 1 produces enters in converter cooling residual heat boiler 2 and carries out preliminary heat recovery, to produce steam。
Secondly, coal gas of converter is entered rotary kiln type gasification furnace 3 by converter cooling residual heat boiler 2, to be internally formed hot environment at rotary kiln type gasification furnace 3, the house refuse of pretreatment sends into rotary kiln type gasification furnace 3 through life refuse feeding device 9, and under the hot environment within rotary kiln type gasification furnace 3, there is pyrolysis, to generate gasification gas and carbon containing waste residue。
Then, the gasification gas produced in rotary kiln type gasification furnace 3 and coal gas of converter enter secondary chamber's boiler 4, and in secondary chamber's boiler 4 combustion heat release, to produce high-temperature steam, the flue gas that burning produces enters follow-up smoke eliminator 10, dust arrester 11 processes, and is introduced chimney 13 by frequency converting induced draft fan 12 and enter atmospheric environment。
Finally, the high-temperature steam produced in secondary chamber's boiler 4 is delivered in TRT 5, to generate electricity。
Wherein, the steam produced in converter cooling residual heat boiler 2 can be sent in rotary kiln type gasification furnace 3 by steam jet 31 after pressure regulation, can there is water gas reaction in the carbon containing waste residue that the steam of steam jet 31 ejection produces with house refuse thermal decomposition, to produce gasification gas and rubbish waste residue in rotary kiln type gasification furnace 3。
Simultaneously, the steam produced in converter cooling residual heat boiler 2 also can be delivered in deaerated feedwater device 7 after pressure regulation, using as deoxygenation thermal source, deaerated feedwater device 7 is connected with the drum in converter cooling residual heat boiler 2 and the drum in secondary chamber's boiler 4 respectively, thinks that the drum 21 in converter cooling residual heat boiler 2 and the drum 41 in secondary chamber's boiler 4 provide recirculated water。
The system utilizing coal gas of converter gasification domestic garbage burning electricity generation of the present invention and technology utilization coal gas of converter gasification process domestic waste, expand domestic rubbish disposal to iron and steel domain；Meanwhile, by direct for coal gas of converter combustion power generation, it is to avoid unsuitable gas recovery burning emptying phenomenon in recycling process, energy environment protection is conducive to。
Embodiment 1:
There are 2 pneumatic steelmaking production lines in certain steel plant, and the maximum dress iron water amount of separate unit converter reaches 125t。The coal gas of high temperature (～1850 DEG C) that steelmaking converter produces, after converter cooling residual heat boiler recovered steam, temperature reduces to 1300 DEG C, subsequently into rotary kiln type gasification furnace。Rotary kiln type gasification stove internal wall heat-storing material absorbs flue gas heat and carries out accumulation of heat, forms hot environment at furnace interior；The house refuse of pretreatment sends into rotary kiln type gasification furnace through feed system, is brought rapidly up to 700～800 DEG C under high temperature furnace environment, occurs pyrolysis to generate gasification gas and carbon containing waste residue。
The steam that converter cooling residual heat boiler reclaims sends into rotary kiln type gasification furnace after thermophore pressure regulation, and water gas reaction occurs the carbon containing waste residue produced with thermal decomposition further, generates high heating value garbage gasifying gas。The final gasification gas produced and coal gas of converter mixing gas enter secondary chamber's boiler, and under hot wind for combustion supporting, abundant combustion heat release produces high-temperature flue gas；The high-temperature flue gas produced enters secondary chamber's boiler furnace by absorbing and cooling temperature, enters flue gas purification system, dust removal installation treatment and purification, enter atmospheric environment under air-introduced machine effect。
From the soft water of water treatment station, after deaerating type of cycles deoxygenation, feed pump send into secondary chamber's boiler furnace and absorb flue gas heat release, eventually become high-temperature steam feeding TRT and generate electricity, complete whole thermodynamic cycle process。
In order to avoid mixture combustion stops working, in secondary chamber's mixed gas in boiler entry position, arranging a normal burner, fuel can adopt natural gas or waste oil etc.。
In whole circulation system, converter cooling residual heat boiler and secondary chamber's boiler feedwater are all from same set of feedwater deaerating system。The steam that converter cooling residual heat boiler reclaims is collected through drum and is entered thermophore pressure regulation, is divided into two-way: a road steam is sent into deaerating type of cycles and carried out deoxygenation, and system is no longer rely on other thermal source；And another road steam is sent into kiln gas gasifier as gasifying agent and is carried out gasification reaction。It is respectively fed to converter cooling residual heat boiler and secondary chamber's steam generator system by feed pump after the feedwater deaeration of deaerating type of cycles。
Due to the discontinuity of coal gas of converter, installing water-cooled push-pull valve on rotary kiln type gasification furnace inlet duct additional, when steelmaking converter shove charge is stopped transport, push-pull valve cuts out, and opens during operation；Control frequency converting induced draft fan simultaneously, adjust absorbing quantity。
Adopting this technique, house refuse is carried out gasifying firing by available high temperature coal gas of converter in stove again, can take full advantage of the waste heat of high temperature coal gas of converter, it is achieved domestic garbage gasification burning disposal。
Embodiment 2:
Reference example 1, only changes by house refuse raw material as the biomass material of pretreatment into, will pass into steam in gasification furnace and cut off；Mixing gas sends into secondary chamber's boiler combustion heat release after kiln gas gasifier afterbody cyclonic separation；Biomass carbonated solid particle is recycled after deslagging device cools down。
By specific embodiment, the present invention is further described above; although it is understood that; here concrete description; should not be construed as the restriction to the spirit and scope of the invention; the various amendments that above-described embodiment is made by one of ordinary skilled in the art after reading this specification, broadly fall into the scope that the present invention protects。
Claims (10)
1. the system utilizing coal gas of converter gasification domestic garbage burning electricity generation, it is characterised in that including:
Converter cooling residual heat boiler (2), is connected with the gas outlet of converter (1), for the coal gas of converter produced in converter (1) is carried out preliminary heat recovery, to produce steam；
Rotary kiln type gasification furnace (3), it is connected with the gas outlet of converter cooling residual heat boiler (2), it is input to the house refuse in rotary kiln type gasification furnace (3) and pyrolysis can occur under the effect of coal gas of converter, to produce gasification gas and carbon containing waste residue；
Secondary chamber's boiler (4), it is connected with the gas outlet of rotary kiln type gasification furnace (3), gasification gas in rotary kiln type gasification furnace (3) and coal gas of converter enter in secondary chamber's boiler (4) and combustion heat release in secondary chamber's boiler (4), to produce high-temperature steam；
TRT (5), is connected with secondary chamber's boiler (4), and the high-temperature steam produced in secondary chamber's boiler (4) can be transported in TRT (5), to generate electricity。
2. the system utilizing coal gas of converter gasification domestic garbage burning electricity generation according to claim 1, it is characterized in that, rotary kiln type gasification furnace (3) is provided with steam jet (31), can there is water gas reaction in the carbon containing waste residue that the steam that steam jet (31) sprays and house refuse thermal decomposition produce, to produce gasification gas and rubbish waste residue in rotary kiln type gasification furnace (3)。
3. the system utilizing coal gas of converter gasification domestic garbage burning electricity generation according to claim 2, it is characterized in that, drum in converter cooling residual heat boiler (2) is connected with thermophore (6), thermophore (6) is connected with the steam jet (31) in rotary kiln type gasification furnace (3), the steam produced in converter cooling residual heat boiler (2) is by the steam jet (31) being delivered to after thermophore (6) pressure regulation in rotary kiln type gasification furnace (3), and is injected in rotary kiln type gasification furnace (3) by steam jet (31)。
4. the system utilizing coal gas of converter gasification domestic garbage burning electricity generation according to claim 1 or 3, it is characterized in that, also including deaerated feedwater device (7), deaerated feedwater device (7) is connected with the drum in the drum in converter cooling residual heat boiler (2) and secondary chamber's boiler (4) respectively；Drum in converter cooling residual heat boiler (2) is connected with thermophore (6), thermophore (6) is connected with deaerated feedwater device (7), the steam produced in converter cooling residual heat boiler (2) is by being delivered in deaerated feedwater device (7) after thermophore (6) pressure regulation, using as deoxygenation thermal source。
5. the system utilizing coal gas of converter gasification domestic garbage burning electricity generation according to claim 1, it is characterized in that, the tilting furnace of rotary kiln type gasification furnace (3) is installed, inboard wall of furnace body is provided with heat-storing material (33), the gas outlet of body of heater afterbody is provided with cyclone separator (34), the top exit of cyclone separator (34) is connected with secondary chamber's boiler (4), and outlet at bottom is connected with deslagging device (8)。
6. the system utilizing coal gas of converter gasification domestic garbage burning electricity generation according to claim 5, it is characterized in that, rotary kiln type gasification furnace (3) is connected with life refuse feeding device (9), and life refuse feeding device (9) is three grades of slow storehouse feed systems。
7. the system utilizing coal gas of converter gasification domestic garbage burning electricity generation according to claim 1, it is characterized in that, the exhanst gas outlet of secondary chamber's boiler (4) is connected with smoke processing system, and smoke processing system includes the smoke eliminator (10), dust arrester (11), frequency converting induced draft fan (12) and the chimney (13) that are sequentially connected with。
8. the technique utilizing coal gas of converter gasification domestic garbage burning electricity generation, it is characterised in that comprise the following steps:
The coal gas of converter that converter produces enters in converter cooling residual heat boiler (2) and carries out preliminary heat recovery, to produce steam；
Coal gas of converter is entered rotary kiln type gasification furnace (3) by converter cooling residual heat boiler (2), to be internally formed hot environment at rotary kiln type gasification furnace (3), the house refuse of pretreatment sends into rotary kiln type gasification furnace (3) through life refuse feeding device (9), and under the hot environment that rotary kiln type gasification furnace (3) is internal, there is pyrolysis, to generate gasification gas and carbon containing waste residue；
The gasification gas produced in rotary kiln type gasification furnace (3) and coal gas of converter enter secondary chamber's boiler (4), and in secondary chamber's boiler (4) combustion heat release, to produce high-temperature steam；
The high-temperature steam produced in secondary chamber's boiler (4) is delivered in TRT (5), to generate electricity。
9. the technique utilizing coal gas of converter gasification domestic garbage burning electricity generation according to claim 8, it is characterized in that, the steam produced in converter cooling residual heat boiler (2) is sent in rotary kiln type gasification furnace (3) by steam jet (31) after pressure regulation, can there is water gas reaction in the carbon containing waste residue that the steam that steam jet (31) sprays and house refuse thermal decomposition produce, to produce gasification gas and rubbish waste residue in rotary kiln type gasification furnace (3)。
10. the technique utilizing coal gas of converter gasification domestic garbage burning electricity generation according to claim 8, it is characterized in that, the steam produced in converter cooling residual heat boiler (2) is delivered in deaerated feedwater device (7) after pressure regulation, using as deoxygenation thermal source, deaerated feedwater device (7) is connected with the drum in the drum in converter cooling residual heat boiler (2) and secondary chamber's boiler (4) respectively。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123328.1A CN105689360B (en) | 2016-03-03 | 2016-03-03 | A kind of system and technique of the domestic garbage burning electricity generation that gasified using coal gas of converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123328.1A CN105689360B (en) | 2016-03-03 | 2016-03-03 | A kind of system and technique of the domestic garbage burning electricity generation that gasified using coal gas of converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105689360A true CN105689360A (en) | 2016-06-22 |
| CN105689360B CN105689360B (en) | 2017-12-26 |
Family
ID=56220026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610123328.1A Active CN105689360B (en) | 2016-03-03 | 2016-03-03 | A kind of system and technique of the domestic garbage burning electricity generation that gasified using coal gas of converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105689360B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224036A (en) * | 2016-09-05 | 2016-12-14 | 重庆科技学院 | The refuse gasification combustion gas of a kind of multi-stage heat exchanger and steam turbine combined generating system |
| CN108517387A (en) * | 2018-05-24 | 2018-09-11 | 武汉钢铁有限公司 | A kind of converter coal gas purification and waste heat recycling system |
| CN109054874A (en) * | 2018-05-24 | 2018-12-21 | 武汉科技大学 | Treatment of!medical waste method based on converter dust UTILIZATION OF VESIDUAL HEAT IN |
| CN109797280A (en) * | 2018-11-26 | 2019-05-24 | 山西锌创研环境科技有限公司 | The low zinc gray dangerous waste object cogeneration of steel is used for the method and system of electrolytic zinc production |
| CN109971914A (en) * | 2019-03-26 | 2019-07-05 | 东北大学 | A kind of refuse burning system and method using high temperature converter waste gas |
| CN112322831A (en) * | 2020-11-10 | 2021-02-05 | 中南大学 | Slag heat recovery preheating type oxygen lance for electric arc furnace steelmaking and application method thereof |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6190429B1 (en) * | 1994-03-10 | 2001-02-20 | Ebara Corporation | Method and apparatus for treating wastes by gasification |
| CN1483963A (en) * | 2002-09-18 | 2004-03-24 | 宋纪元 | Refuse gasifying incineration treatment method of rotary furnace siege |
| CN101178017A (en) * | 2007-12-04 | 2008-05-14 | 安庆林 | Method for recycling and regenerating steel plant residual heat boiler saturated steam |
| CN101642767A (en) * | 2009-09-07 | 2010-02-10 | 王兴道 | Innoxious process of garbage and power generation system and method thereof |
| CN101850351A (en) * | 2010-05-10 | 2010-10-06 | 中国科学院广州能源研究所 | Novel method for generating electricity by pyrolysis and incineration of waste |
| CN101864507A (en) * | 2010-06-21 | 2010-10-20 | 浙江西子联合工程有限公司 | Converter waste heat generating system |
| US20100307392A1 (en) * | 2006-11-28 | 2010-12-09 | Hermann Berthold | Method and installation for the generation of effective energy by gasifying waste |
| CN102310068A (en) * | 2010-06-30 | 2012-01-11 | 上海神工环保股份有限公司 | Large-scale waste gasification treatment and energy recycling system |
| CN202304455U (en) * | 2011-10-17 | 2012-07-04 | 杭州锅炉集团股份有限公司 | Intermittent saturated steam overheating power generation system for iron and steel enterprises |
| CN203791331U (en) * | 2014-03-24 | 2014-08-27 | 北京凯盛建材工程有限公司 | System for synergistic treatment of municipal domestic waste in cement kiln |
| CN104016429A (en) * | 2014-05-15 | 2014-09-03 | 莱芜钢铁集团有限公司 | Process and equipment for pyrolyzing coking wastewater by utilizing dust-removed high temperature flue gas of converter |
| CN105018145A (en) * | 2014-04-22 | 2015-11-04 | 上海龙阳环保工程有限公司 | Domestic garbage pyrolysis gasification power generation system |
| CN105275517A (en) * | 2015-12-15 | 2016-01-27 | 北京凯盛建材工程有限公司 | Cement kiln waste heat power generation system utilizing waste incineration flue gas |
-
2016
- 2016-03-03 CN CN201610123328.1A patent/CN105689360B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6190429B1 (en) * | 1994-03-10 | 2001-02-20 | Ebara Corporation | Method and apparatus for treating wastes by gasification |
| CN1483963A (en) * | 2002-09-18 | 2004-03-24 | 宋纪元 | Refuse gasifying incineration treatment method of rotary furnace siege |
| US20100307392A1 (en) * | 2006-11-28 | 2010-12-09 | Hermann Berthold | Method and installation for the generation of effective energy by gasifying waste |
| CN101178017A (en) * | 2007-12-04 | 2008-05-14 | 安庆林 | Method for recycling and regenerating steel plant residual heat boiler saturated steam |
| CN101642767A (en) * | 2009-09-07 | 2010-02-10 | 王兴道 | Innoxious process of garbage and power generation system and method thereof |
| CN101850351A (en) * | 2010-05-10 | 2010-10-06 | 中国科学院广州能源研究所 | Novel method for generating electricity by pyrolysis and incineration of waste |
| CN101864507A (en) * | 2010-06-21 | 2010-10-20 | 浙江西子联合工程有限公司 | Converter waste heat generating system |
| CN102310068A (en) * | 2010-06-30 | 2012-01-11 | 上海神工环保股份有限公司 | Large-scale waste gasification treatment and energy recycling system |
| CN202304455U (en) * | 2011-10-17 | 2012-07-04 | 杭州锅炉集团股份有限公司 | Intermittent saturated steam overheating power generation system for iron and steel enterprises |
| CN203791331U (en) * | 2014-03-24 | 2014-08-27 | 北京凯盛建材工程有限公司 | System for synergistic treatment of municipal domestic waste in cement kiln |
| CN105018145A (en) * | 2014-04-22 | 2015-11-04 | 上海龙阳环保工程有限公司 | Domestic garbage pyrolysis gasification power generation system |
| CN104016429A (en) * | 2014-05-15 | 2014-09-03 | 莱芜钢铁集团有限公司 | Process and equipment for pyrolyzing coking wastewater by utilizing dust-removed high temperature flue gas of converter |
| CN105275517A (en) * | 2015-12-15 | 2016-01-27 | 北京凯盛建材工程有限公司 | Cement kiln waste heat power generation system utilizing waste incineration flue gas |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224036A (en) * | 2016-09-05 | 2016-12-14 | 重庆科技学院 | The refuse gasification combustion gas of a kind of multi-stage heat exchanger and steam turbine combined generating system |
| CN108517387A (en) * | 2018-05-24 | 2018-09-11 | 武汉钢铁有限公司 | A kind of converter coal gas purification and waste heat recycling system |
| CN109054874A (en) * | 2018-05-24 | 2018-12-21 | 武汉科技大学 | Treatment of!medical waste method based on converter dust UTILIZATION OF VESIDUAL HEAT IN |
| CN109054874B (en) * | 2018-05-24 | 2021-03-02 | 武汉科技大学 | Medical waste treatment method based on converter smoke waste heat utilization |
| CN109797280A (en) * | 2018-11-26 | 2019-05-24 | 山西锌创研环境科技有限公司 | The low zinc gray dangerous waste object cogeneration of steel is used for the method and system of electrolytic zinc production |
| CN109971914A (en) * | 2019-03-26 | 2019-07-05 | 东北大学 | A kind of refuse burning system and method using high temperature converter waste gas |
| CN112322831A (en) * | 2020-11-10 | 2021-02-05 | 中南大学 | Slag heat recovery preheating type oxygen lance for electric arc furnace steelmaking and application method thereof |
| CN112322831B (en) * | 2020-11-10 | 2021-06-22 | 中南大学 | Slag heat recovery preheating type oxygen lance for electric arc furnace steelmaking and application method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105689360B (en) | 2017-12-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105689360B (en) | A kind of system and technique of the domestic garbage burning electricity generation that gasified using coal gas of converter | |
| CN108300516B (en) | Process system for cooperatively treating household garbage by utilizing plasma gasification furnace in coal-fired power plant | |
| CN101468789B (en) | Domestic garbage transformation technique, system and apparatus without conventional fuel for supporting combustion | |
| CN202203950U (en) | Organic solid waste pyrolyzation and gasification device | |
| CN105202545A (en) | Garbage pyrolysis gasification incineration treatment device | |
| CN102061196A (en) | Power generation method and device adopting plasma gasification of household garbage and biomass | |
| CN108443889B (en) | Waste metal catalyst and organic sludge co-treatment device and method | |
| CN201281347Y (en) | Large-capacity prepositive rotating grate furnace refuse burning and generating set | |
| CN208019124U (en) | A kind of system of cement kiln cooperative disposal domestic waste | |
| CN109294624A (en) | Rubbish fusion and gasification couples coal generating system and its process | |
| CN201272768Y (en) | Household waste conversion system and equipment without combustion supported by conventional fuel | |
| CN106833690A (en) | A kind of moving bed solid waste segmented pyrolytic gasification technique and its system | |
| CN113929276B (en) | Treatment method of coal gasification sludge and coal gasification production method | |
| CN106635074A (en) | Domestic waste recycling system and method | |
| CN104745762A (en) | Dry-dedusting and waste heat recovering system and method for intermediate-temperature converter coal gas | |
| CN209229743U (en) | Refuse pyrolysis gasification furnace and refuse disposal system | |
| CN105327930A (en) | Power generation system using household garbage and power generation method thereof | |
| CN205119075U (en) | Garbage pyrolytic gasification incineration disposal device | |
| CN205165331U (en) | System for utilize domestic waste electricity generation | |
| CN101974351B (en) | Scale fixed bed biomass gasification power generation production technology and suite of equipment | |
| CN109282661A (en) | Method for treating household garbage by hot blast furnace slag | |
| CN213537825U (en) | Environment-friendly and efficient coupling power generation system of refuse derived fuel gasification and large coal-fired unit | |
| CN214332741U (en) | Circulating fluidized bed fly ash recycling system | |
| CN212456860U (en) | Solid waste pyrolysis resource utilization device | |
| CN210267235U (en) | Plasma smelting furnace and hazardous waste treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |