CN110186047A - A kind of high temperature and pressure waste incineration π formula boiler - Google Patents

A kind of high temperature and pressure waste incineration π formula boiler Download PDF

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Publication number
CN110186047A
CN110186047A CN201811644026.4A CN201811644026A CN110186047A CN 110186047 A CN110186047 A CN 110186047A CN 201811644026 A CN201811644026 A CN 201811644026A CN 110186047 A CN110186047 A CN 110186047A
Authority
CN
China
Prior art keywords
high temperature
channel
superheater
waste incineration
temperature
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
CN201811644026.4A
Other languages
Chinese (zh)
Inventor
瞿兆舟
谢军
邓昌梅
黄兵
张心成
郑江龙
陈枫
郭孝武
周升
张利军
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Shanghai SUS Environment Co Ltd
Original Assignee
Shanghai SUS Environment 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 Shanghai SUS Environment Co Ltd filed Critical Shanghai SUS Environment Co Ltd
Priority to CN201811644026.4A priority Critical patent/CN110186047A/en
Priority to PCT/CN2019/080033 priority patent/WO2020140337A1/en
Publication of CN110186047A publication Critical patent/CN110186047A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/02—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22G—SUPERHEATING OF STEAM
    • F22G5/00—Controlling superheat temperature
    • F22G5/12—Controlling superheat temperature by attemperating the superheated steam, e.g. by injected water sprays
    • F22G5/123—Water injection apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22G—SUPERHEATING OF STEAM
    • F22G7/00—Steam superheaters characterised by location, arrangement, or disposition
    • F22G7/12—Steam superheaters characterised by location, arrangement, or disposition in flues
    • 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
    • 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
    • F23G5/44—Details; Accessories
    • 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
    • F23G5/44—Details; Accessories
    • F23G5/46—Recuperation of heat
    • 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
    • F23G5/44—Details; Accessories
    • F23G5/48—Preventing corrosion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J1/00—Removing ash, clinker, or slag from combustion chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
    • F23J3/02—Cleaning furnace tubes; Cleaning flues or chimneys
    • 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
    • F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
    • F28F19/04—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of rubber; of plastics material; of varnish
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
    • F28F19/06—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G1/00—Non-rotary, e.g. reciprocated, appliances
    • F28G1/16—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
    • F28G1/166—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris from external surfaces of heat exchange conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00—Waste heat recuperation
    • F23G2206/20—Waste heat recuperation using the heat in association with another installation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)

Abstract

The present invention relates to burning city domestic garbage field, a kind of outstanding high temperature and pressure waste incineration π formula boiler, including water cooling combustion chamber, be successively a channel, one or two channel interface channels, two channels, triple channel, horizontal channel and four-way by flow of flue gas direction；Wherein pendant superheater is arranged in two upper part of channel; it is moldable that special high thermal conductivity is laid in outside; evaporation protector I is arranged in triple channel lower part, and evaporation protector II, high temperature superheater, medium temperature overheater, low temperature superheater are sequentially arranged in horizontal channel, and four-way arranges economizer.The present invention is moldable using pendant superheater laying, completely cuts off pipe and smoke contacts, thoroughly solves high temperature corrosion.Steam can be heated to 540 DEG C by pendant superheater, and the mating garbage incinerating power plant steam turbine generator set system thermal efficiency is made to be increased to 34%.

Description

A kind of high temperature and pressure waste incineration π formula boiler
Technical field
The present invention relates to burning city domestic garbage field, especially main steam temperature be 540 DEG C, main steam pressure is The garbage burning boiler of 9.8MPa.
Background technique
Garbage incinerating power plant Boiler Steam mostly uses 4MPa, 400 DEG C both at home and abroad at present, and since steam initial conditions are low, it is complete Factory generates electricity the thermal efficiency also generally lower than conventional fuel power plant.The waste incineration and generating electricity thermal efficiency is improved at present mainly passes through raising steam First pressing improves three kinds of vapor (steam) temperature, resuperheat modes, wherein to improve vapor (steam) temperature and pressure as most ideal most effective technology Means.But due to containing the elements such as Cl, S and alkali metal in house refuse, after improving vapor (steam) temperature and pressure, superheater and Water-cooling system faces High Temperature Corrosion.At present to solve water-cooling system and superheater high temperature corrosion, mostly use greatly expensive Ni-based or titanium-based built-up welding anticorrosion process, and when main steam temperature is more than 500 DEG C, Ni-based and titanium-based overlay cladding also will be quick Corrosion.
The present invention be a kind of main steam temperature be 540 DEG C, the waste incineration π formula boiler that main steam pressure is 9.8MPa, energy The Turbo-generator Set thermal efficiency is improved to 34% or more, while using laying special high thermal conductivity castable or moldable isolation is managed Son is directly contacted with flue gas, to effectively solve High Temperature Corrosion, it is ensured that water-cooling wall and superheater long-term safety stablize fortune Row.
Summary of the invention
The purpose of the present invention is overcoming above-mentioned the deficiencies in the prior art, propose that a kind of main steam temperature is 540 DEG C, main steam Pressure is the waste incineration π formula boiler of 9.8MPa, is π formula overhung construction.
The specific technical solution of the present invention is: a kind of high temperature and pressure waste incineration π formula boiler, using water cooling combustion chamber, so It is afterwards successively a channel, one or two channel interface channels, two channels, triple channel, horizontal channel and four-way by flow of flue gas direction； Wherein two upper part of channel arrange pendant superheater；Triple channel lower disposed evaporates protector I, is sequentially arranged evaporation in horizontal channel Protector II, high temperature superheater, medium temperature overheater, low temperature superheater；Four-way arranges economizer.
Further, combustion chamber uses full water cooling structure, uses refractory brick with rubbish contact area, the laying of remaining region is high Thermally conductive silicon carbide castable, a channel all lay high thermal conductivity silicon carbide castable, do not use Ni-based corrosion-inhibiting coating.
Further, the pendant superheater, material TP347H, the outside special high thermal conductivity of laying is moldable, is arranged in Two upper part of channel.
Further, two channel front wall uses Ni-based corrosion-inhibiting coating, and two channel roofs and pendant superheater region are left You Qiang, rear wall lay high thermal conductivity castable refractory.
Further, two channel front wall collocation, three layers of soot blower for boiler hearth carry out deashing, two beneath galleries front walls and a left side Right wall paper is equipped with SNCR spray gun.
Further, the evaporation protector I of the triple channel lower disposed coiled pipe pattern, using big transverse pitch, together Shi Caiyong steam sootblower carries out deashing.
Further, the horizontal channel entrance arranges the evaporation protector II of upper lower header pattern, is laterally saved using big Away from, while using steam sootblower.
Further, the high temperature superheater, medium temperature overheater, low temperature superheater use coiled pipe structure, using big cross To pitch, while using steam sootblower.
Further, the economizer uses coiled pipe structure, using shock wave soot blower, while the hydrophobic dress of hydrocone type is arranged It sets.
Further, micro direct-contact desuperheater is set between the pendant superheater and high temperature superheater, high temperature superheater, Second level direct-contact desuperheater and level-one direct-contact desuperheater are respectively set between medium temperature overheater, low temperature superheater.
Further, described to use smoke gas recirculating technology, flue gas recirculation and Secondary Air common nozzle, setting is being burnt Arch area before and after room.
Combustion chamber of the present invention uses full water cooling structure, and front and back arch area is arranged flue gas recirculation and overfire air jet, can have Effect solves burner hearth coking, reduces nitrous oxides concentration and improves garbage burning boiler efficiency.Highly-conductive hot carbon is all laid in one channel SiClx castable solves water wall high temperature corrosion, while increasing a channel radiant heat absorption.Pendant superheater is arranged in two channels Upper pyrometer region, the outside special high thermal conductivity of laying is moldable, to guarantee steam being heated to 540 DEG C, while effectively solving Hot device High Temperature Corrosion.Two three layers of channel front wall collocation soot blower for boiler hearth, while lower part front wall and left and right wall paper are equipped with SNCR Spray gun.Triple channel lower part and horizontal channel entrance are sequentially arranged evaporation protector I and evaporation protector II, to reduce hyperthermia and superheating Device entrance flue gas temperature.High temperature superheater vapor (steam) temperature is higher than 450 DEG C of regions and uses Ni-based built-up welding corrosion-inhibiting coating, and rest part is adopted With TP347H, to prevent high temperature corrosion.Economizer uses coiled pipe structure, reduces risk of leakage, and siphon lyophobic device is arranged. Garbage burning boiler main steam condition of the present invention is 9.8MPa, 540 DEG C, makes mating garbage incinerating power plant steam turbine generator system The system thermal efficiency is increased to 34% or more.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is high temperature and pressure (9.8MPa, 540 DEG C) waste incineration π formula boiler structure schematic diagram.
Fig. 2 is superheating system steam flow diagram.
1. incinerator system in Fig. 1,2. boiler steel structures, 3. drums, 4. water cooling combustion chambers, 5. 1 channels, 6. 2 channels, 7. triple channel, 8. horizontal channels, 9. pendant superheaters, 10. evaporation protectors II, 11. high temperature superheaters, 12. medium temperature overheaters, 13. low temperature superheater, 14. level-one direct-contact desuperheaters, 15. second level direct-contact desuperheaters, 16. micro direct-contact desuperheaters, 17. province's coals Device, 18. steam sootblowers, 19. shock wave soot blowers, 20. soot blower for boiler hearth, 21. 12 channels connect flue, 22. evaporation protections Device I, 23. flue gas recirculations and overfire air jet, 24. four-ways.
25. drum in Fig. 2,26. low temperature superheaters, 27. level-one direct-contact desuperheaters, 28. medium temperature overheaters, the spray of 29. second levels Water attemperator, 30. high temperature superheaters, 31. micro direct-contact desuperheaters, 32. pendant superheaters, 33. collection vapour headers.
Specific embodiment
In Fig. 1, rubbish burning in the incinerator system (1), the high-temperature flue gas of generation enter in garbage burning boiler into The recycling of row waste heat generates high-quality steam and is sent into turbine LP rotors.A kind of high temperature and pressure (9.8MPa, 540 DEG C) rubbish is burnt Burning boiler is π formula overhung construction, successively suspends a channel (5), one or two channels connection flue (21), two on boiler steel structure (2) in midair Channel (6), triple channel (7), horizontal channel (8) and four-way (24).Water cooling combustion chamber (4) is by fire grate surrounding fin panel casing structure At with rubbish contact area laying refractory brick, remaining region is laid high thermal conductivity silicon carbide castable, kept away with reducing chamber temperature Exempt from coking.Flue gas recirculation and overfire air jet (23) are arranged in arch area before and after water cooling combustion chamber (4), using flue gas recycled When can reduce and burn outlet of still nitrous oxides concentration, prevent combustion chamber coking and improve garbage burning boiler efficiency, while can root According to refuse thermal value and thermic load situation adjustment Secondary Air and flue gas recycled proportion.One channel (5) connects flue with one or two channels (21) high thermal conductivity silicon carbide castable is laid, isolation pipe is directly contacted with flue gas to avoid water wall high temperature corrosion.Screen formula mistake Hot device (9) is arranged in two channels (6) top, and the special high thermal conductivity of laying is moldable outside tube panel while being located at high-temperature flue gas region, To obtain compared with high heat transfer efficiency, while completely cutting off flue gas and directly being contacted with pipe thoroughly to solve superheater High Temperature Corrosion.Two Three layers of soot blower for boiler hearth of channel (6) front wall collocation can carry out carrying out to front wall steam soot blowing to keep radiation heating-surface to clean, together When lower part front wall and left and right wall paper be equipped with SNCR spray gun, it is ensured that denitration in the stove efficiency.Triple channel (7) lower disposed coiled pipe pattern Evaporation protector I, transverse pitch 270mm, at the same use steam soot blowing.Evaporation protector is sequentially arranged in horizontal channel (8) II (10), high temperature superheater (11), medium temperature overheater (12), low temperature superheater (13), four-way (24) arrange economizer (17), Aforementioned convection heating surface passes through sunpender and is suspended in boiler steel structure (2).It is high temperature superheater (11), medium temperature overheater (12), low Warm superheater (13) is all made of big transverse pitch, while carrying out deashing using steam sootblower (18), it is ensured that restrains not dust stratification, knot Coke, and then avoid high-temperature area pipe that the corrosion of lime-ash high-temperature molten salt occurs.Economizer (17) is located at low-temperature region, is blown using shock wave Grey device (19) carries out deashing to reduce equipment initial investment and operating cost.It is high temperature superheater (11), medium temperature overheater (12), low Warm superheater (13), economizer (17) are all made of coiled pipe structure, compared to front upper and lower header structure have manufacturing cost it is low and There is no welding seam leakage at angle point risk, while economizer when economizer setting hydrocone type steam trap connection is to solve the water pressure test and blowing out Restrain hydrophobic problem.
In Fig. 2, the saturated vapor from drum (25) passes sequentially through low temperature superheater (26), level-one direct-contact desuperheater (27), medium temperature overheater (28), second level direct-contact desuperheater (29), high temperature superheater (30), micro direct-contact desuperheater (31), screen formula Steam is heated to 540 DEG C of design temperature by the above equipment by superheater (32).Subtracted by the water spray between every two-stage superheater Vapor (steam) temperature and guarantee main-steam outlet temperature into junior's superheater can be adjusted flexibly in claimed range, desuperheat in warm device Water comes from boiler feedwater main pipe.Flue gas heat is mainly transmitted to pendant superheater with radiation mode, then passes sequentially through moldable And in pipe heating tube steam to 540 DEG C.
The present invention uses main steam temperature for 540 DEG C of refuse incineration exhaust-heating boiler pendant superheater, pendant superheater by Heated tube panel, pin, special moldable, pipe clamp, upper header, flexible seal device, erecting by overhang and inspection manhole composition.Screen formula Superheater laying is moldable, completely cuts off pipe and smoke contacts, thoroughly solves high temperature corrosion.Steam can be heated to by pendant superheater 540 DEG C, the mating garbage incinerating power plant steam turbine generator set system thermal efficiency is made to be increased to 34%.

Claims (10)

1. a kind of high temperature and pressure waste incineration π formula boiler, which is characterized in that including water cooling combustion chamber, by flow of flue gas direction according to Secondary is a channel, one or two channel interface channels, two channels, triple channel, horizontal channel and four-way；Wherein pendant superheater is arranged In two upper part of channel, it is moldable that special high thermal conductivity is laid in outside, and evaporation protector I is arranged in triple channel lower part, in horizontal channel It is sequentially arranged evaporation protector II, high temperature superheater, medium temperature overheater, low temperature superheater, four-way arranges economizer.
2. a kind of high temperature and pressure waste incineration π formula boiler according to claim 1, it is characterised in that: garbage burning boiler Main steam temperature is 540 DEG C, main steam pressure 9.8MPa.
3. a kind of high temperature and pressure waste incineration π formula boiler according to claim 1, it is characterised in that: flue gas recirculation and Secondary Air is equipped with the common nozzle that boiler export oxygen content can be adjusted according to operating condition.
4. a kind of high temperature and pressure waste incineration π formula boiler according to claim 1, it is characterised in that: a channel is all applied If high thermal conductivity silicon carbide castable.
5. a kind of high temperature and pressure waste incineration π formula boiler according to claim 1, it is characterised in that: pendant superheater material Matter uses TP347H, and it is moldable to completely cut off pipe and smoke contacts that special high thermal conductivity is laid in outside, and is arranged in two channel high temperature Region.
6. a kind of high temperature and pressure waste incineration π formula boiler according to claim 1, it is characterised in that: a channel and two-way Road independent design, two channels can arrange soot blower for boiler hearth and denitration in the stove device.
7. a kind of high temperature and pressure waste incineration π formula boiler according to claim 1, it is characterised in that: pendant superheater, height Direct-contact desuperheater is respectively provided between warm superheater, medium temperature overheater and low temperature superheater.
8. a kind of high temperature and pressure waste incineration π formula boiler according to claim 1, it is characterised in that: high-temperature region convection current by Hot face uses steam sootblower, and low-temperature space convection heating surface uses shock wave soot blower.
9. a kind of high temperature and pressure waste incineration π formula boiler according to claim 1, it is characterised in that: high temperature superheater, in Warm superheater, low temperature superheater and economizer use coiled pipe structure.
10. a kind of high temperature and pressure waste incineration π formula boiler according to claim 1, it is characterised in that: rainbow is arranged in economizer Suction steam trap connection.
CN201811644026.4A 2018-12-30 2018-12-30 A kind of high temperature and pressure waste incineration π formula boiler Pending CN110186047A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811644026.4A CN110186047A (en) 2018-12-30 2018-12-30 A kind of high temperature and pressure waste incineration π formula boiler
PCT/CN2019/080033 WO2020140337A1 (en) 2018-12-30 2019-03-28 High-temperature high-pressure waste incinerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811644026.4A CN110186047A (en) 2018-12-30 2018-12-30 A kind of high temperature and pressure waste incineration π formula boiler

Publications (1)

Publication Number Publication Date
CN110186047A true CN110186047A (en) 2019-08-30

Family

ID=67713875

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811644026.4A Pending CN110186047A (en) 2018-12-30 2018-12-30 A kind of high temperature and pressure waste incineration π formula boiler

Country Status (1)

Country Link
CN (1) CN110186047A (en)

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