CN109973982A - System for utilize filtration liquid marsh gas to improve waste incinerator steam temperature - Google Patents

System for utilize filtration liquid marsh gas to improve waste incinerator steam temperature Download PDF

Info

Publication number
CN109973982A
CN109973982A CN201910263579.3A CN201910263579A CN109973982A CN 109973982 A CN109973982 A CN 109973982A CN 201910263579 A CN201910263579 A CN 201910263579A CN 109973982 A CN109973982 A CN 109973982A
Authority
CN
China
Prior art keywords
steam
air
biogas
temperature
gas
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.)
Pending
Application number
CN201910263579.3A
Other languages
Chinese (zh)
Inventor
沈竑
孙亚鹏
曹森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Energy Environmental Engineering Co Ltd
Original Assignee
Shenzhen Energy Environmental Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Energy Environmental Engineering Co Ltd filed Critical Shenzhen Energy Environmental Engineering Co Ltd
Priority to CN201910263579.3A priority Critical patent/CN109973982A/en
Publication of CN109973982A publication Critical patent/CN109973982A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M21/00—Bioreactors or fermenters specially adapted for specific uses
    • C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M43/00—Combinations of bioreactors or fermenters with other apparatus
    • C12M43/04—Bioreactors or fermenters combined with combustion devices or plants, e.g. for carbon dioxide removal
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M43/00—Combinations of bioreactors or fermenters with other apparatus
    • C12M43/08—Bioreactors or fermenters combined with devices or plants for production of electricity
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
    • C12M47/18—Gas cleaning, e.g. scrubbers; Separation of different gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
    • F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
    • F01K17/02—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
    • F22B33/18—Combinations of steam boilers with other apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L15/00—Heating of air supplied for combustion
    • 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
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
    • 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
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Zoology (AREA)
  • General Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Biomedical Technology (AREA)
  • Sustainable Development (AREA)
  • Mechanical Engineering (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Molecular Biology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)

Abstract

The invention provides a system for improving the steam temperature of a garbage incinerator by utilizing leachate biogas, which reasonably utilizes the biogas generated by leachate, improves the utilization rate of the biogas, avoids local high temperature caused by the fact that the biogas is sprayed into the incinerator for incineration, and also avoids the influence of the flammable and explosive characteristics of the biogas on the safety of boiler equipment; the superheated steam of the garbage incinerator is heated by the high-temperature flue gas generated by the methane incineration, so that the steam parameters of a garbage incineration power plant are further improved, and efficient power generation is realized; the smoke generated by the methane incineration has simple components, avoids the occurrence of high-temperature corrosion, and saves the equipment cost and expense caused by the improvement of steam parameters of the conventional garbage incinerator; the primary air is heated by utilizing the waste heat of high-temperature flue gas generated by methane combustion, so that the problem of low-temperature corrosion of an air preheater is avoided, the steam extraction amount of a steam turbine used for heating the primary air by a waste incineration waste heat boiler is saved, and the steam amount for power generation is increased.

Description

A kind of system improving waste incinerator vapor (steam) temperature using percolate biogas
Technical field
The present invention relates to technologies of garbage disposal more particularly to a kind of utilization percolate biogas to improve waste incinerator steam temperature The system of degree.
Background technique
With the improvement of people's living standard in our country, generation obviously increases, corresponding waste incineration and generating electricity Factory's quantity also increasingly increases.China has built up and in the garbage burning factory built at present, most garbage burning factory steam ginsengs Number is all medium temperature and medium pressure parameter, and there are also a small amount of garbage incinerating power plants to use medium temperature sub-high pressure parameter, and improves steam parameter Garbage incinerating power plant generating efficiency can be effectively improved.
But due to the complexity and diversity of China's rubbish type, the smoke components for causing waste incineration to generate are complicated, It is easy to cause high temperature corrosion to waste heat utilization equipments such as water-cooling wall, superheaters, is the main reason for limitation improves steam parameter；Together When combustion air is preheated with flue gas, be easy low-temperature corrosion is caused to air preheater, force garbage incinerating power plant to be adopted With external steam air heater, First air is heated using steam turbine steam extraction, power generation is reduced while increasing equipment cost Use quantity of steam.Meanwhile rubbish fermentation generates a large amount of percolates, a large amount of biogas that these percolates generate are sent directly into rubbish and burn It burns furnace to burn, utilization rate is low.
Summary of the invention
In order to solve the above problem, waste incinerator vapor (steam) temperature is improved using percolate biogas the present invention provides a kind of System, including diafiltration liquid processing device, methane purifying device, gas furnace, refuse incineration exhaust-heating boiler, heat exchanger, air preheat Device, steam turbine generator；The biogas that diafiltration liquid processing device generates is entered gas furnace burning after methane purifying device, produced High-temperature flue gas enter heat exchanger the steam in heat exchanger made to heat up, later high-temperature flue gas enter back into air preheater to air into Row heating, generated hot-air are transported to refuse incineration exhaust-heating boiler, and high-temperature flue gas is entering heat exchanger after exchanging heat It is discharged；Temperature is further promoted after the steam that refuse incineration exhaust-heating boiler generates enters heat exchanger, enters steamer later Generator pushes its power generation；Also, air is also respectively connected in the gas furnace and air preheater.The one kind provided is provided Prior art problem can be effectively solved using the system that percolate biogas improves waste incinerator vapor (steam) temperature.
The present invention provides a kind of system for improving waste incinerator vapor (steam) temperature using percolate biogas, characterized in that packet Include diafiltration liquid processing device, methane purifying device, gas furnace, refuse incineration exhaust-heating boiler, heat exchanger, air preheater, steamer Generator；The biogas that diafiltration liquid processing device generates is entered gas furnace burning, generated high temperature after methane purifying device Flue gas, which enters heat exchanger, makes the steam in heat exchanger heat up, and high-temperature flue gas enters back into air preheater and adds to air later Heat, generated hot-air are transported to refuse incineration exhaust-heating boiler, and high-temperature flue gas is arranged after exchanging heat into heat exchanger It bleeds off；Temperature is further promoted after the steam that refuse incineration exhaust-heating boiler generates enters heat exchanger, enters turbine generator later Machine pushes its power generation；Also, air is also respectively connected in the gas furnace and air preheater；
Natural gas is also accessed in the gas furnace, also increases steam-air before the refuse incineration exhaust-heating boiler Preheater also accesses air in the steam air heater, the hot-air conveying generated through the steam air heater To the refuse incineration exhaust-heating boiler；
When biogas yield deficiency, natural gas is opened, natural gas adds to combustion-supporting in the gas furnace；Also, from institute State First air needed for steam turbine generator is pumped to the steam air heater heating waste incineration；
When biogas yield is normal, natural gas is closed；Also, cancels and being evacuated from the steam turbine generator.
The invention has the benefit that the present invention provides a kind of utilization percolate biogas raising waste incinerator vapor (steam) temperature System, be rationally utilized percolate generation biogas, improve its utilization rate, avoid biogas spray into furnace in burn caused by part High temperature also avoids safety effects of the inflammable and explosive characteristic to boiler plant of biogas；The high temperature generated is burned by biogas Flue gas waste incinerator superheated steam further improves garbage incinerating power plant steam parameter, realizes efficiency power generation；Natural pond The occurrence of smoke components that gas burns generation are simple, avoid high temperature corrosion saves conventional spam incinerator and improves and steam Vapour parameter bring equipment cost increases expense；The high-temperature flue gas waste-heat First air generated using biogas combustion, is avoided The problem of low-temperature corrosion of air preheater, while saving the steam turbine steam extraction that refuse incineration exhaust-heating boiler is used to heat First air Amount, increases the quantity of steam for power generation.
Detailed description of the invention
Fig. 1 is the system layout of one embodiment proposed by the present invention.
In figure:
1 diafiltration liquid processing device；
2 methane purifying devices；
3 gas furnaces；
4 refuse incineration exhaust-heating boilers；
5 heat exchangers；
6 air preheaters；
7 steam turbine generators；
8 steam air heaters.
Specific embodiment
Fig. 1 is the system layout of one embodiment proposed by the present invention.It is shown in figure, it is a kind of to utilize diafiltration in this example Liquid biogas improve waste incinerator vapor (steam) temperature system, including diafiltration liquid processing device 1, methane purifying device 2, gas furnace 3, Refuse incineration exhaust-heating boiler 4, heat exchanger 5, air preheater 6, steam turbine generator 7 and steam air heater 8.Percolate The biogas that processing unit 1 generates burns through entering gas furnace 3 after methane purifying device 2, and generated high-temperature flue gas, which enters, to be changed Hot device 5 makes the steam in heat exchanger 5 heat up, and high-temperature flue gas enters back into air preheater 6 and heats to air later, produced Hot-air be transported to refuse incineration exhaust-heating boiler 4, high-temperature flue gas is discharged after exchanging heat into heat exchanger 5；Rubbish Temperature is further promoted after the steam that rubbish waste gas of incineration boiler 4 generates enters heat exchanger 5, is entered steam turbine generator 7 later and is pushed away Move its power generation；Also, air is also respectively connected in the gas furnace 3 and air preheater 6.
In this example, natural gas is also accessed in gas furnace 3, also increases steam-air before refuse incineration exhaust-heating boiler 4 Preheater 8 also accesses air in steam air heater 8, and the hot-air generated through steam air heater 8 is transported to rubbish Waste gas of incineration boiler 4.
When biogas yield deficiency, natural gas is opened, natural gas adds to combustion-supporting in gas furnace 3；Also, it is sent out from steamer Motor 7 is pumped to First air needed for steam air heater 8 heats waste incineration.
When biogas yield is normal, natural gas is closed；Also, cancels and being evacuated from steam turbine generator 7.
A kind of system improving waste incinerator vapor (steam) temperature using percolate biogas proposed by the present invention, is rationally utilized The biogas that percolate generates, improves its utilization rate, avoids biogas from spraying into localized hyperthermia caused by burning in furnace, also avoids biogas Inflammable and explosive characteristic to the safety effects of boiler plant；The high-temperature flue gas generated is burned by biogas heats waste incinerator Superheated steam further improves garbage incinerating power plant steam parameter, realizes efficiency power generation；Biogas burn generate flue gas at It is point simple, the occurrence of avoiding high temperature corrosion, save conventional spam incinerator improve steam parameter bring equipment at This increase expense；The high-temperature flue gas waste-heat First air generated using biogas combustion, avoids low-temperature corrosion of air preheater The problem of, while the steam turbine steam extraction amount that refuse incineration exhaust-heating boiler is used to heat First air is saved, it increases for power generation Quantity of steam.

Claims (1)

1. a kind of system for improving waste incinerator vapor (steam) temperature using percolate biogas, characterized in that including percolate processing Device, methane purifying device, gas furnace, refuse incineration exhaust-heating boiler, heat exchanger, air preheater, steam turbine generator；Percolate The biogas that processing unit generates is entered gas furnace burning after methane purifying device, generated high-temperature flue gas enters heat exchanger The steam in heat exchanger is set to heat up, high-temperature flue gas enters back into air preheater and heats to air later, and generated heat is empty Gas is transported to refuse incineration exhaust-heating boiler, and high-temperature flue gas is discharged after exchanging heat into heat exchanger；More than waste incineration Temperature is further promoted after the steam that heat boiler generates enters heat exchanger, is entered steam turbine generator later and is pushed its power generation；And And air is also respectively connected in the gas furnace and air preheater；
Natural gas is also accessed in the gas furnace, also increases steam-air preheating before the refuse incineration exhaust-heating boiler Device also accesses air in the steam air heater, and the hot-air generated through the steam air heater is transported to institute State refuse incineration exhaust-heating boiler；
When biogas yield deficiency, natural gas is opened, natural gas adds to combustion-supporting in the gas furnace；Also, from the vapour First air needed for turbine generator is pumped to the steam air heater heating waste incineration；
When biogas yield is normal, natural gas is closed；Also, cancels and being evacuated from the steam turbine generator.
CN201910263579.3A 2019-04-01 2019-04-01 System for utilize filtration liquid marsh gas to improve waste incinerator steam temperature Pending CN109973982A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910263579.3A CN109973982A (en) 2019-04-01 2019-04-01 System for utilize filtration liquid marsh gas to improve waste incinerator steam temperature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910263579.3A CN109973982A (en) 2019-04-01 2019-04-01 System for utilize filtration liquid marsh gas to improve waste incinerator steam temperature

Publications (1)

Publication Number Publication Date
CN109973982A true CN109973982A (en) 2019-07-05

Family

ID=67082388

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910263579.3A Pending CN109973982A (en) 2019-04-01 2019-04-01 System for utilize filtration liquid marsh gas to improve waste incinerator steam temperature

Country Status (1)

Country Link
CN (1) CN109973982A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110822438A (en) * 2019-11-07 2020-02-21 光大环保技术研究院（南京）有限公司 Waste incineration power generation system and method
CN110980941A (en) * 2019-11-07 2020-04-10 光大环保技术研究院（南京）有限公司 Smoke side-coupled waste incineration power generation system and method
WO2020199098A1 (en) * 2019-04-01 2020-10-08 深圳市能源环保有限公司 System for increasing steam temperature of waste incinerator by utilizing leachate marsh gas
CN115807943A (en) * 2021-09-14 2023-03-17 淮安零碳能源环保科技有限公司 Production system for waste incineration power generation

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020199098A1 (en) * 2019-04-01 2020-10-08 深圳市能源环保有限公司 System for increasing steam temperature of waste incinerator by utilizing leachate marsh gas
CN110822438A (en) * 2019-11-07 2020-02-21 光大环保技术研究院（南京）有限公司 Waste incineration power generation system and method
CN110980941A (en) * 2019-11-07 2020-04-10 光大环保技术研究院（南京）有限公司 Smoke side-coupled waste incineration power generation system and method
CN110822438B (en) * 2019-11-07 2021-10-26 光大环保技术研究院（南京）有限公司 Waste incineration power generation system and method
CN115807943A (en) * 2021-09-14 2023-03-17 淮安零碳能源环保科技有限公司 Production system for waste incineration power generation
CN115807943B (en) * 2021-09-14 2024-05-03 淮安零碳能源环保科技有限公司 Production system for generating electricity by garbage incineration

Similar Documents

Publication Publication Date Title
CN109973982A (en) System for utilize filtration liquid marsh gas to improve waste incinerator steam temperature
CN206942819U (en) A kind of piping-main scheme reheat system and burning electricity generation system
CN104531226A (en) Biomass gasified combustion heat supply method for industrial kiln stove
CN110397481A (en) Promote the waste incineration and generating electricity device of main steam condition
CN214170684U (en) Stirling power generation system for oilfield associated gas
CN208534549U (en) A kind of power generation by waste combustion system
CN210004368U (en) System for increasing steam temperature of garbage incinerator by using percolate methane
CN205155976U (en) Novel waste incinerator's preheated air system
CN108731004A (en) The cooling back installation and waste incineration and generating electricity device of water-cooled grate
CN206269163U (en) A kind of negative pressure is ignited heat exchange preheating device
CN206073126U (en) A kind of air heating device of boiler
CN109539216A (en) A kind of combined generating system of integrated garbage burning boiler and coal-burning boiler
CN209557055U (en) High-efficiency refuse power generation by waste combustion system
CN105805756B (en) Environment-friendly garbage high-efficiency thermal decomposition device
WO2020199098A1 (en) System for increasing steam temperature of waste incinerator by utilizing leachate marsh gas
CN205782843U (en) System for utilize steelmaking waste heat steam to generate electricity
CN106765284B (en) Negative pressure ignition heat exchange preheating device
CN207499926U (en) Waste incineration and generating electricity system
CN202483648U (en) Mashgas oxidation thermal generating device
CN112267953A (en) Stirling power generation system for oilfield associated gas
CN101240178A (en) Oil refining and circulation fluidized bed boiler burning integrated device for oil shale
CN105258095B (en) A kind of fuel-oil waste-gas combined boiler of energy instantaneously producing steam
CN205535754U (en) A over heater equipment for msw incineration enamelware pot stove
CN218494995U (en) Reheating system of external methane furnace of waste incineration disposal power station
CN217737175U (en) Novel superheater for improving power generation efficiency of garbage power plant

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information
CB02 Change of applicant information

Address after: 518046 13th Floor, Times Financial Center, 4001 Shennan Avenue, Futian District, Shenzhen City, Guangdong Province

Applicant after: Shenzhen Energy and environmental protection Co.,Ltd.

Address before: 518046 13th Floor, Times Financial Center, 4001 Shennan Avenue, Futian District, Shenzhen City, Guangdong Province

Applicant before: SHENZHEN ENERGY ENVIRONMENTAL ENGINEERING Co.,Ltd.