CN102002375A - New method for preparing industrial gas or civil gas by cracking garbage and biomass serving as raw materials at high temperature - Google Patents
New method for preparing industrial gas or civil gas by cracking garbage and biomass serving as raw materials at high temperature Download PDFInfo
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- CN102002375A CN102002375A CN2010105902530A CN201010590253A CN102002375A CN 102002375 A CN102002375 A CN 102002375A CN 2010105902530 A CN2010105902530 A CN 2010105902530A CN 201010590253 A CN201010590253 A CN 201010590253A CN 102002375 A CN102002375 A CN 102002375A
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- 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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention relates to a new method for preparing industrial gas or civil gas by cracking garbage and biomass serving as raw materials at a high temperature. The method comprises the following steps of: 1) preparing the raw materials; 2) collecting the cracked gas and utilizing heat; and 3) synchronously utilizing after heat. Dried and crushed garbage or biomass particles are cracked at the temperature of between 900 and 1,000 DEG C to generate cracked gas; after passing through a cooling and dedusting tower, the cracked gas is conveyed to a gas holder and is then synthesized after air compression and purification steps, wherein high-temperature combustion gas is provided by a gas furnace; gas from synthesis and air are mixed and combusted to form the high-temperature combustion gas in the gas furnace; and the high-temperature gas after being dedusted is conveyed to a cracking furnace. The gas cracked by the method serves as the civil gas after the carbon monoxide is converted and the carbon dioxide is removed. In the whole process, heat is fully used and the exhausted residual gas after cracking does not pollute environment, so the aim of energy conservation and emission reduction is fulfilled.
Description
Technical field
The method of the rubbish system of the present invention relates to gas refers in particular to a kind of rubbish, biomass utilized and is raw material, adopts constant-pressure and high-temperature fixed bed cracked method to prepare the novel method of methyl alcohol, syngas for synthetic ammonia or domestic gas.
Background technology
Refuse treatment at present is our a great problem of puzzlement.First generation is big, with regard to regard to Beijing, produces 1.843 ten thousand tons of rubbish every day, produces 1.18kg per capita for each person every day; Its two be handle very difficult, and cost great amount of manpower and material resources.The incinerating method that adopts is halted because of producing the dioxin carcinogenic substance at present.And the burying method environmental pollution is very big.Simultaneously, the research that biomass energy is developed is one of important content of China's Sustainable development technology, is put into China's 21 century development agenda, and biomass energy has recyclability, low contaminative, extensively distributivity characteristics.How utilizing the renewable resources of these rich carbon cleanings is main directions of China's energy sustainable development.Therefore.Realize the utilization of low-quality biomass material with gasification mode, the supply of part alternative ore fuel is alleviated the severe contamination that direct biological substance for combustion brings to environment, improves China's life in the countryside level, improve the ecological environment, aspects such as assurance national energy security are all significant.This case expectation is to having addressed these problems some effect effectively.
Summary of the invention
The objective of the invention is to be improved and innovate, a kind of novel method of utilizing rubbish and biomass to make industrial gas or domestic gas for the raw material Pintsch process is provided at the shortcoming that exists in the background technology and problem.
The present invention includes following steps:
1) preparation raw material: rubbish through extruding cutting machine extruding cutting, is pressed dry external moisture content, and is cut to the bulk of being convenient to dry, dry and be ground into particle, be stored in the high-temperature cracking furnace feed bin less than 3mm.
2) utilization of collection of cracking coal gas and heat energy: will add the high temperature hot gas that provides with gas furnace in the high-temperature cracking furnace by charging mechanism through the feed particles that the last step makes and carry out high temperature heat exchange cracking, and enter following operation then:
(a) cracking coal gas is collected: feed particles in high-temperature cracking furnace by high-temperature heat-exchanging and high temperature hot gas heat exchange cracking, the cracking coal gas that forms is sent into the cabinet of supplying gas after the dedusting of coal gas cooling and dedusting tower by delivery port, through gas compression, purification section, become synthesis material gas again;
(b) utilization of heat energy: the raw material carbon residue behind Pintsch process falls into the high-temperature cracking furnace furnace bottom, add gas furnace by descending carbon mechanism that the carbon material is scraped to carbon ash storehouse through charging mechanism, after the gas furnace burning, form band dirt high-temperature gas, band dirt high-temperature gas is sent into cyclonic separator through outlet c and is carried out dedusting and separate, and wherein fails incendiary slag charge and dust to collect through the slag charge collection device that gas furnace and cyclonic separator are provided with; High-temperature gas after the separation is admitted to high-temperature cracking furnace interchanger base feed particle and carries out high temperature heat exchange cracking; Also can make his usefulness in addition by the carbon material that cleaved back is remaining, and burning provides cracking required high temperature hot gas with combustion gas (as synthesis purge gas etc.).
3) waste heat utilizes synchronously: gas furnace is supplied with the high-temperature gas of pyrolyzer high-temperature heat-exchanging, heat, temperature progressively reduce from the bottom to top through raw material layer, cryogenic gas imports airheater from the outlet pipe on high-temperature heat-exchanging top, the air of sending here with air-blaster carries out heat exchange, air after the heating is sent into gas furnace through burner, residual air after the heat exchange is introduced the water dust scrubber dedusting through raw material stoving machine, combustion gas induced draft fan, after the chimney discharge.
High-temperature heat-exchanging 15 of the present invention can be shell and tube or board-like, wing formula, fluid connects the indirect type interchanger.Be shell and tube heat exchanger shown in the figure, it is arranged with horizontal type, and is perhaps vertical, wherein:
The horizontal type tubular heat exchange is that vertical multilayer is arranged, every layer is that two closed tubes and a plurality of waviness tubulations of being welded between two closed tubes are formed, and is welded with on the every tubulation and the vertical fin of tube hub line; (see figure 2)
Vertical tubular heat exchange, by two groups of heat exchange conjuncted compositions, every group is connected on two U-shaped tubulations between the big header by two big headers and multi-layer welding up and down and forms, and is welded with the fin (see figure 3) with the tube hub line parallel on every tubulation.
Gas furnace of the present invention 3 tops are provided with burner a, and burner a establishes burner b toward the bottom, and wherein the air sent here with air-blaster of burner a is made vaporized chemical, and the carbon material that pyrolyzer is got off sprays into gas furnace; Burner b makes vaporized chemical with warm air and synthesis purge gas, and to spray into gas furnace along wall horizontal tangent direction, burner a and burner b can use simultaneously, also can use separately.
Advantage of the present invention and beneficial effect:
The present invention will be dried rubbish or biological particles (less than 3mm) cracking under 900-1000 ℃ of condition of pulverizing, generate cracking coal gas; The cracking coal gas cabinet of supplying gas behind the cooling and dedusting tower send synthetic behind gas compression, purification section.Ton alcohol consumption cracking coal gas 2826 Nm
3Ton ammonia consumption cracking coal gas 2702 Nm
3Wherein high-temp combustion gas is provided by gas furnace, forms high-temp combustion gas (or provided by the carbon slag mixed firing under air and the pyrolyzer) by the burning of synthesis purge gas and air mixed in gas furnace, and high-temperature gas is sent into pyrolyzer again after dedusting.The effective ingredient H of cracking coal gas
2+ CO is greater than the 80%(butt), high-temperature fuel gas stove ton alcohol consumption synthesis purge gas 237Nm
3, consumption air capacity 1264Nm
3After can and removing carbonic acid gas processing through carbon monodixe conversion, the coal gas after the inventive method cracking uses combustion gas for the resident.Overall process is utilized to the fullest heat energy, and the residual air of discharging after the cracking is free from environmental pollution, has reached the purpose of energy-saving and emission-reduction.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Fig. 2 is a horizontal type tubular heat exchange high-temperature cracking furnace structural representation of the present invention.
Fig. 3 is the vertical tubular heat exchange high-temperature cracking furnace of a present invention structural representation.
Figure number explanation: 1, high-temperature cracking furnace, 11, feed bin, 12, star-shaped feeder, 13, the material cake, 14, the gasification body of heater, 15, high-temperature heat-exchanging, 16, following carbon mechanism, 17, carbon ash storehouse, 2, coal gas cooling and dedusting tower, 3, gas furnace, 31, the gas furnace epimere, 32, gas furnace segregation section, 33, combustion gas slag lock, 34, the gas furnace slag bath, 4, cyclonic separator, 41, the cyclonic separator cylindrical shell, 42, cyclonic separation slag lock, 43, the cyclonic separation ashpit, 5, air-blaster, 6, airheater, 7, the raw material stoving machine, 8, the combustion gas induced draft fan, 9, water dust scrubber, 10, chimney.
Embodiment
Feedstock production of the present invention and equipment used structure:
1, feedstock production:
At the scene rubbish (except that building waste, glasswork, metal products rubbish) is cut through the extruding of extruding cutting machine, press dry external moisture content, and be cut to the bulk of being convenient to dry, (biomass must not pushed, and need only cut.) through chain type combustion gas drying machine drying, be ground into particle less than 3mm through pulverizer, be stored in the pyrolyzer feed bin.
2, high-temperature cracking furnace 1: form by body of heater 14, high-temperature heat-exchanging 15, charging mechanism 15, following carbon mechanism 16 etc., wherein:
Body of heater: this furnace body is the upright cylindrical shell of a cylindricality, and stove outer covering is formed by the roll of steel plate weldering.Wall liner is with the soak refractory materials in the stove.
High-temperature heat-exchanging: high-temperature heat-exchanging 15 is a kind of equipment of realizing heat transfer process between high-temperature gas and the material, and high-temperature heat-exchanging has tubular type, board-likely is connected indirect heat exchanger with wing formula, fluid.Useful heating resisting metal material or non-metallic material are made.High-temperature heat-exchanging 15 is by containing the shell and tube heat exchanger that 28%CrNiTi high temperature steel is made in this case.It is arranged with various ways, and main have a horizontal type and vertical.The horizontal type tubular heat exchange is that vertical multilayer is arranged, every layer is that two closed tubes and a plurality of waviness tubulations that are welded between two closed tubes are formed, be welded with on the every tubulation and the vertical fin (see figure 2) of tube hub line, vertical tubular heat exchange (see figure 3), by two groups of heat exchange conjuncted compositions, every group is connected on two U-shaped tubulations between the big header by up and down two big headers and multi-layer welding and forms, and is welded with the fin with the tube hub line parallel on every tubulation.
Charging mechanism: the charging mechanism at body of heater top is made up of feed bin 11, star-shaped feeder 12, the claw 13 loosening and material of raking, and the material that adds in the stove imports charge level by a cylinder straight tube that is welded in furnace roof.
Following carbon mechanism 16: furnace bottom is installed a scraping machine structure that has the piston at inclination angle to promote with level, the frequency of coming regulating piston to promote according to the size of carbon amount down.
3, gas furnace: gas furnace 3 is to produce high-temp combustion gas by oxygenant (air, oxygen-rich air, purity oxygen) and combustion gas or coal dust, oil plant mixed firing, and the equipment of high temperature hot gas is provided to high-temperature cracking furnace.Gas furnace 3 in the accompanying drawing 1, are made up of two sections, and it is vertical type cylinder structure always.Epimere is a gas furnace epimere 31, at the burning zone top burner a is housed, and makes vaporized chemical with air the pyrolyzer carbon material that gets off is sprayed into the gas furnace internal combustion, and down useful warm air mixes tangential direction and sprays into burner b in the stove with synthesis purge gas.Nozzle a and b can use simultaneously, also can use separately.Gas furnace liner thermal insulation fire-resistant material.The burning zone lower end is provided with the center circle bobbin and links to each other with gas furnace segregation section 32.In the center drum straight cutting segregation section of combustion gas section lower end, there are several breach this center circle bobbin lower end.The segregation section lower end is provided with combustion gas slag lock 33 and gas furnace slag bath 34.The segregation section upper side has outlet c.
4, cyclonic separator 4: the high-temperature fuel gas that gas furnace is sent here enters cyclonic separator cylindrical shell 41, and cyclonic separator 4 bottoms are provided with straight tube and collect the cyclonic separation slag lock 42 and the cyclonic separation ashpit 43 at dirt end.
5, airheater: airheater 6, be shell and tube heat exchanger, the pipe two ends are separately fixed on two tube sheets, and combustion gas is walked in the pipe, and air is walked outside the pipe, realizes the heat exchange of hot gas and freezing air.
6, the combustion gas stoving oven 7: be a vertically arranged rotating link chain moisture eliminator.
7, induced draft fan 8: be sent to the water dust scrubber dedusting after will drawing pressurization.
8, water dust scrubber 9: water dust scrubber is a vertical type cylinder body.Form moisture film by top mill weir overflow water on barrel wall, enter gas in the device from the bottom tangential direction, because action of centrifugal force is got rid of the dust in the gas under being caught with current by moisture film on the tube wall, the gas of removing dust is admitted to chimney 10.
Cracking process of the present invention and principle:
The raw material that enters in the stove is the listed composition of following table:
| Title | Full moisture content (H2O) | CnHm | Ash | Fixed carbon (C) | Calorific value |
| % | 13.63 | 62.20 | 8.08 | 13.09 | 34957.73KJ |
Utilize star-shaped feeder to add in the pyrolyzer along filling tube continuously the raw material powder of having processed (less than 3mm), material in the pyrolyzer is raked by claw.Be the high-temperature gas of sending here by gas furnace in the pyrolysis gasification stove heat pipe.Raw material carries out cracking under the heating of high-temperature gas.Gas temperature progressively reduces temperature in the pyrolyzer heat pipe because cracking is absorbed heat from bottom to top, and material layer temperature then progressively raises from top to bottom and is divided into drying layer, destructive distillation layer, cleaving layer successively.Cracking coal gas is derived from stove upper side outlet pipe.Discharged producer gas is gone into the coal gas gas holder after dedusting cooling tower washing cooling.Coal Pyrolysis pneumatolytic part (butt) is seen the following form:
| Composition | CO | H 2 | CO 2 | CH 4 | N 2+AR | Add up to |
| % | 37.91 | 43.73 | 16.35 | 0.47 | 1.54 | 100 |
Roasting kiln provides the device of high-temperature fuel gas for high-temperature cracking furnace.The air of sending here with air-blaster sprays into the remaining carbon slag of pyrolyzer in the stove by burner a with " vaporized chemical " form, and air and carbon slag form the rotation of fair speed.Thinner powder is suspension combustion in stove just; and bigger particle can be because action of centrifugal force be thrown toward the furnace wall; air and synthesis purge gas for the burner b of " second gasification agent " along wall horizontal tangent direction be blown into; with fail combustion powder on the furnace wall soon the burning; 900-1000 ℃ of stove Nei Wenduda; aphlogistic ground-slag enters gas furnace segregation section bottom with reaction gas from stove lower central pipe; because gravity and inertia effect; slag drops down onto roasting kiln segregation section bottom after segregation section is separated from the gas, the combustion gas slag locking device on outlet pipe enters in the stove outer circulation water gas furnace slag bath.Nozzle a and b can use simultaneously, also can use separately.
Outside pipe core, upper side outlet c draws separator to burning gas by center circle barrel down gap baffling.
The coal gas that comes out by segregation section, temperature imports to cyclone inlet for about 950 ℃, under action of centrifugal force, further separate at entrained fines dirt end in the gas, the fine dust end drops down onto the cyclonic separator bottom after cyclonic separation, cyclonic separator slag locking device on outlet pipe enters in the stove outer circulation water cyclonic separation ashpit, and the coal gas of high temperature behind the separation fine powder enters pyrolyzer tubular heat exchange lower inlet.
In tubulation, heat raw material outside the tubulation from bottom to up, the fuel gas temperature of top outlet is reduced to 350 ℃, enter air preheater again, in the pre-device of air with air heating to 200 ℃, fuel gas temperature is reduced to 250 ℃, be sent to raw material stoving device waste heat drying material, go out the baker burning gas and be cooled to 120 ℃ and laggardly go into moisture film cooling and dedusting device, temperature is 35 ℃ and is sent to chimney 10 behind moisture film cooling and dedusting device.Burning gas composition (butt) sees the following form:
| Composition | CO 2 | N 2 | O 2 | Add up to |
| % | 20．11 | 78．99 | 0．38 | 100 |
It is synthetic that cracking coal gas can compressedly be sent to methyl alcohol through the conversion of carbon monoxide part with after removing excess carbon dioxide.Make the synthetic ammonia unstripped gas and then will add nitrogen, with the source of burning gas as nitrogen.Every 100Nm
3Cracking coal gas will be with addition of burning gas 35.76Nm
3
The unstripped gas composition (butt) of the synthetic ammonia after the preparation of cracking coal gas sees the following form:
| Composition | CO | H 2? | CO 2 | O 2 | CH 4 | N 2 | Add up to |
| % | 26．89 | 35．36 | 14．65 | 0．24 | 2．07 | 20．79 | 100 |
Every 100kg raw material production methanol feedstock gas (cracking coal gas) 176.97Nm
3(butt), the methanol synthetic discharged gas delayed amount 14 after the gas furnace consumption recover hydrogen.8Nm
3(lower heating value 25424kj/ Nm
3), consumption air capacity 79Nm
3Methyl alcohol consumption unstripped gas (cracking coal gas) 2860Nm per ton
3, amount to consumption raw material 1600kg(as analysed basis), high-temperature fuel gas stove consumption off-gas 237Nm
3, consumption air 1264Nm
3Every 100kg raw material is amounted to and is produced ammonification unstripped gas 240.2Nm
3(butt) amounts to synthetic ammonia consumption cracking coal gas 3005Nm per ton
3
Embodiment of the present invention only is the description that preferred implementation of the present invention is carried out; be not that design of the present invention and scope are limited; under the prerequisite that does not break away from design philosophy of the present invention; engineering technical personnel make technical scheme of the present invention in this area various modification and improvement; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection all is documented in claims.
Claims (3)
1. one kind is utilized rubbish and biomass for the raw material Pintsch process makes the novel method of industrial gas or domestic gas, it is characterized in that may further comprise the steps:
1) preparation raw material: rubbish through extruding cutting machine extruding cutting, is pressed dry external moisture content, and is cut to the bulk of being convenient to dry, dry and be ground into particle, be stored in high-temperature cracking furnace (1) feed bin less than 3mm;
2) utilization of collection of cracking coal gas and heat energy: the high temperature hot gas that provides with gas furnace (3) in the high-temperature cracking furnace (1) will be provided by charging mechanism through the feed particles that the last step makes carry out high temperature heat exchange cracking, and enter following operation then:
(a) cracking coal gas is collected: feed particles is passed through high-temperature heat-exchanging (15) and high temperature hot gas heat exchange cracking in high-temperature cracking furnace (1), the cracking coal gas that forms is sent into the cabinet of supplying gas after coal gas cooling and dedusting tower (2) dedusting by delivery port, through gas compression, purification section, become synthetic available gas again;
(b) utilization of heat energy: the material carbon material behind Pintsch process falls into high-temperature cracking furnace (1) furnace bottom, add gas furnace (3) through charging mechanism through spray by descending carbon mechanism (16) that the carbon material is scraped to carbon ash storehouse (17), after gas furnace (3) burning, form band dirt high-temperature gas, band dirt high-temperature gas is sent into cyclonic separator (4) through outlet (c) and is carried out dedusting and separate, and wherein fails the slag charge collection device collection that incendiary slag charge and dust be provided with through gas furnace (3) and cyclonic separator (4); High-temperature gas after the separation is admitted to high-temperature cracking furnace (1) base feed particle and carries out high temperature heat exchange cracking;
3) waste heat utilizes synchronously: gas furnace (3) heat supply and high-temperature gas after cracking carbon material separates, heat, temperature progressively reduce from the bottom to top through raw material layer, cryogenic gas imports airheater (6) through the outlet pipe on high-temperature cracking furnace (1) top, the air of sending here with air-blaster (5) carries out heat exchange, air after the heating is sent into gas furnace (3) through burner, residual air after the heat exchange is through raw material stoving machine (7), combustion gas introduction machine (8), introduce water dust scrubber (9) dedusting, after chimney (10) discharge.
2. the novel method of utilizing rubbish and biomass to make industrial gas or domestic gas for the raw material Pintsch process according to claim 1, it is characterized in that described heat with high-temp combustion gas passes to cleaved raw material and finished by high-temperature heat-exchanging, high-temperature heat-exchanging (15) is tubular type or board-like, wing formula or fluid indirect type interchanger; Tubular heat exchange be arranged with horizontal type, perhaps vertical, wherein:
The horizontal type tubular heat exchange is that vertical multilayer is arranged, every layer is that two closed tubes and a plurality of waviness tubulations of being welded between two closed tubes are formed, and is welded with on the every tubulation and the vertical fin of tube hub line;
Vertical tubular heat exchange, by two groups of heat exchange conjuncted compositions, every group is connected on two U-shaped tubulations between the big header by two big headers and multi-layer welding up and down and forms, and is welded with the fin with the tube hub line parallel on every tubulation.
3. the novel method of utilizing rubbish and biomass to make industrial gas or domestic gas for the raw material Pintsch process according to claim 1, it is characterized in that cracking institute heat requirement is that combustion gas by gas furnace production provides, gas furnace (3) top is provided with burner (a), burner (b) is established in burner (a) bottom, wherein the air sent here with air-blaster (5) of burner (a) is made vaporized chemical, and the carbon material that pyrolyzer is got off sprays into gas furnace (3); Burner (b) is made vaporized chemical with warm air and synthesis purge gas (various combustion gas, oils etc.), and to spray into gas furnace (3) along wall horizontal tangent direction, burner (a) and burner (b) use simultaneously, and two burners also can use separately.
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| CN103045274A (en) * | 2012-12-28 | 2013-04-17 | 重庆顿巴斯科技有限公司 | Device for generating combustion gas and charcoal by biomass energy roasting and dry distillation |
| CN106391666A (en) * | 2016-11-01 | 2017-02-15 | 伊帆 | Urban domestic waste treatment and power generation utilization system |
| CN109321263A (en) * | 2018-10-31 | 2019-02-12 | 阔阳（湖北）环保节能科技有限公司 | The preparation process of biomass solid combustion gas |
| CN109764336A (en) * | 2019-01-28 | 2019-05-17 | 广州维港环保科技有限公司 | A kind of vehicle-mounted removable rubbish anaerobic cracking treatment system and method |
| CN109945147A (en) * | 2018-11-30 | 2019-06-28 | 江苏省鑫源再生能源设备有限公司 | A kind of process flow generating saturated vapor and hot water using biomass fuel |
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| CN101508902A (en) * | 2009-03-06 | 2009-08-19 | 苏州工业设备安装集团有限公司 | Biomass fuel cycle gasifying device and method thereof |
| CN101735839A (en) * | 2009-12-10 | 2010-06-16 | 胜利油田胜利动力机械集团有限公司 | Process and device for environmentally-friendly and energy-saving biomass carbonization |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103045274A (en) * | 2012-12-28 | 2013-04-17 | 重庆顿巴斯科技有限公司 | Device for generating combustion gas and charcoal by biomass energy roasting and dry distillation |
| CN106391666A (en) * | 2016-11-01 | 2017-02-15 | 伊帆 | Urban domestic waste treatment and power generation utilization system |
| CN109321263A (en) * | 2018-10-31 | 2019-02-12 | 阔阳（湖北）环保节能科技有限公司 | The preparation process of biomass solid combustion gas |
| CN109945147A (en) * | 2018-11-30 | 2019-06-28 | 江苏省鑫源再生能源设备有限公司 | A kind of process flow generating saturated vapor and hot water using biomass fuel |
| CN109764336A (en) * | 2019-01-28 | 2019-05-17 | 广州维港环保科技有限公司 | A kind of vehicle-mounted removable rubbish anaerobic cracking treatment system and method |
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Application publication date: 20110406 |