CN111551040A - Cupola flue gas waste heat recovery and utilization device - Google Patents

Cupola flue gas waste heat recovery and utilization device Download PDF

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Publication number
CN111551040A
CN111551040A CN202010415593.3A CN202010415593A CN111551040A CN 111551040 A CN111551040 A CN 111551040A CN 202010415593 A CN202010415593 A CN 202010415593A CN 111551040 A CN111551040 A CN 111551040A
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China
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flue gas
pipe
waste heat
steam
combustion
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CN202010415593.3A
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Chinese (zh)
Inventor
张丰祥
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Dengzhou Ruihao Thermal Insulation Building Materials Co ltd
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Dengzhou Ruihao Thermal Insulation Building Materials Co ltd
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Priority to CN202010415593.3A priority Critical patent/CN111551040A/en
Publication of CN111551040A publication Critical patent/CN111551040A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • 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
    • 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
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/62—Mixing devices; Mixing tubes
    • 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
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00—Intercepting solids
    • F23J2217/10—Intercepting solids by filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00—Intercepting solids
    • F23J2217/50—Intercepting solids by cleaning fluids (washers or scrubbers)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • F27D2017/005—Systems for reclaiming waste heat including pyrolising the waste gases
    • 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
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

The invention discloses a cupola flue gas waste heat recycling device, which belongs to the technical field of industrial production boilers and comprises a flue gas mixing chamber, wherein two sides of the flue gas mixing chamber are communicated and provided with a combustion chamber through a flue gas inlet conveying pipe, the upper end of the combustion chamber is communicated and provided with a combustion flue gas pipe, the outer side walls of the combustion flue gas pipe and the flue gas inlet conveying pipe are respectively wrapped and provided with a heat collecting water pipe, a heat absorbing water pipe is fixedly arranged inside the flue gas mixing chamber, the upper end of the heat absorbing water pipe is communicated with a water storage tank, the upper end of the water storage tank is provided with a steam chamber, the left end and the right end of the steam chamber are communicated and provided with steam pipes, the steam pipes are communicated and provided with a steam turbine, the upper end. The invention has novel design, convenient operation and good use effect, improves the fuel utilization rate and the waste heat utilization recovery rate, prevents air environment pollution, and greatly utilizes the recyclable energy across fields.

Description

Cupola flue gas waste heat recovery and utilization device
Technical Field
The invention relates to the technical field of industrial production boilers, in particular to a cupola flue gas waste heat recycling device.
Background
The cupola furnace is an important equipment for melting cast iron in casting production, and cast iron blocks are melted into molten iron, poured into a sand mold, cooled and opened to obtain a casting. The cupola furnace is a vertical cylindrical smelting furnace, which is divided into a front furnace and a rear furnace. The forehearth is divided into a tap hole, a slag hole, a furnace cover forehearth and a gap bridge. The rear furnace is divided into three parts, a top furnace, a waist furnace and a furnace hearth. The waist furnace and the hot blast bustle pipe are separated, closed after the furnace is repaired, and sealed by mud. On the top furnace is a heat exchanger. It is mainly used for producing iron castings and is also used for matching converter steelmaking, so the cupola furnace is called because the opening of the furnace top is upward. The flue gas that the cupola furnace produced contains a large amount of heat energy, and the flue gas direct emission will cause the waste of heat energy, and simultaneously, contains a large amount of granule smoke and dust in the flue gas, if direct emission can cause certain pollution to the environment.
The existing flue gas waste heat recycling device is not suitable for cupola furnace and other equipment, and has many disadvantages, such as: 1. the fuel utilization rate is low, secondary combustion cannot be carried out on the flue gas generated during the combustion of the cupola furnace, and partial fuel contained in the flue gas is easy to waste; 2. the recovery rate of the waste heat of the flue gas is low, and the waste heat of the flue gas cannot be utilized in multiple ways, so that waste of the waste heat energy of the flue gas is caused; 3. the final waste gas generated during combustion cannot be subjected to cleaning treatment and discharged, so that the air environment is easily polluted; 4. the waste heat of the flue gas can not be utilized for steam power generation, so that the energy can be recycled due to great loss; 5. the flue gas to be subjected to secondary combustion cannot be sufficiently mixed with oxygen to provide a good combustion environment. Therefore, the cupola furnace flue gas waste heat recycling device is provided.
Disclosure of Invention
The invention provides a cupola flue gas waste heat recycling device, which is novel in design, convenient to operate and good in using effect, and aims to perform secondary combustion on flue gas generated during combustion of a cupola through a combustion chamber and an igniter, prevent partial fuel waste contained in the flue gas and improve the fuel utilization rate; through the heat collecting water pipe and the circulating heating pipe, the waste heat of the flue gas can be utilized in multiple ways, the waste of the waste heat energy of the flue gas is prevented, and the waste heat utilization recovery rate of the flue gas is improved; the final waste gas generated during combustion can be cleaned and discharged through the dust removal filter bag and the flue gas cleaner, so that the air environment is prevented from being polluted; through the steam chamber and the steam turbine, the waste heat of the flue gas can be utilized for steam power generation, and the reusable energy is utilized in a large span of fields; through the flue gas mixer, can carry out intensive mixing oxygen to the flue gas that is ready to carry out the postcombustion to provide good combustion environment.
The specific technical scheme provided by the invention is as follows:
the invention provides a cupola flue gas waste heat recycling device, which comprises a flue gas mixing chamber, wherein a flue gas inlet is formed at the lower end of the flue gas mixing chamber, a flue gas mixing machine is fixedly arranged in the flue gas mixing chamber, two sides of the flue gas mixing chamber are communicated and provided with a combustion chamber through a flue gas inlet conveying pipe, the upper end of the combustion chamber is communicated and provided with a combustion flue gas pipe, the outer side walls of the combustion flue gas pipe and the flue gas inlet conveying pipe are respectively wrapped and provided with a heat collecting water pipe, the heat collecting water pipe is communicated with a water storage tank through a water conveying pipe, the lower end of the combustion chamber is fixedly inlaid with an igniter, the flue gas mixing chamber is fixedly provided with a heat absorbing water pipe, the upper end of the heat absorbing water pipe is communicated with the water storage tank, the left end of the water storage tank is communicated and provided with a water inlet pipe, the utility model discloses a steam generator, including storage water tank, steam chest, steam chimney, steam inlet, smoke cleaner, circulating fan, oxygen spray pipe, oxygen gas feeder, steam turbine connection is installed on the generator, smoke cleaner is installed to burning flue pipe upper end intercommunication, the chimney of discharging fume has been seted up to flue cleaner upper end switch on, the flue gas import has been seted up at the flue cleaner both ends, the inside fixed smoke filter bag of installing of burning flue pipe, burning flue pipe outside parcel installs the circulation heating coil, the circulation is installed to the intercommunication on the heating coil, inlay in the flue gas mixing chamber and install the oxygen spray pipe, the oxygen spray pipe communicates in oxygen gas feeder, oxygen gas feeder intercommunication has oxygen to advance the pipe, the fixed oxygen valve of installing of inlaying.
Optionally, install piezoelectric crystal on the some firearm, fixed mounting has high-pressure wire on the piezoelectric crystal, high-pressure wire upper end fixed mounting has the discharge needle, the piezoelectric crystal lower extreme is connected and is installed the negative pole piece, the negative pole piece is connected with the contact of positive pole piece, the return spring is installed to the connection of positive pole piece lower extreme, fixed mounting has the spring beam on the positive pole piece, the spring beam is connected with the contact of knob pole, knob pole fixed mounting is on the knob of igniteing the ware.
Optionally, the inside both ends of flue gas cleaner are all fixed and have been seted up sulphur removal room and scrubbing room, be linked together through the connector between sulphur removal room and the scrubbing room, the inside strong alkaline solution of having annotated of sulphur removal room, the scrubbing indoor portion is equipped with the active adsorption carbon.
Optionally, the inside center of steam turbine inlays through the axostylus axostyle cover and installs the connecting shaft pole, fixed mounting has a plurality of turbine blades on the connecting shaft pole left end, the connecting shaft pole right-hand member is inlayed and is installed inside the generator, inlay on the generator inside wall and install brush magnet, connecting shaft pole right-hand member fixed mounting has anodeless brush, through terminal fixedly connected with circular telegram line on the generator lateral wall, steam outlet has been seted up to the steam turbine lower extreme.
Optionally, an installation buckle is installed at the upper end of the dust removal filter bag, and the dust removal filter bag is installed on the installation rod through the installation buckle.
Optionally, a fan shaft is installed inside the center of the circulating fan, fan blades are fixedly installed on the fan shaft, and a fan cover is installed on the circulating fan.
Optionally, a rotating motor is installed on the oxygen delivery machine, a rotating bearing is installed at the upper end of the rotating motor, and a rotary vane is fixedly installed at the upper end of the rotating bearing.
Optionally, a crankshaft is installed in the center of the flue gas mixer, and an organic blade is fixedly installed on the crankshaft.
Optionally, a heat collecting plate is fixedly installed between the combustion flue gas pipe and the heat collecting water pipe.
Optionally, the outlet valve is provided with a valve handle, the lower end of the valve handle is fixedly provided with an embedded valve, and the embedded valve is embedded in the outlet pipe.
Optionally, the inlet valve and the oxygen valve are both the same as the outlet valve in structure composition.
The invention has the following beneficial effects:
1. the invention has novel design, convenient operation and good use effect, the smoke is introduced into the combustion chamber through the smoke inlet conveying pipe after being sufficiently mixed with oxygen by arranging the combustion chamber and the igniter, the ignition knob of the igniter is manually twisted to ignite, the ignition knob rotates to enable the knob rod to collide with the spring rod back and forth, the resilience force of the return spring enables the positive electrode block and the negative electrode block of the igniter to collide, the discharge needle at the upper end of the high-voltage lead discharges electricity with the piezoelectric crystal to generate electric sparks, the combustible smoke in the combustion chamber is ignited to be secondarily combusted for combustion utilization, and the smoke after secondary combustion is introduced into the combustion smoke pipe.
2. The invention is provided with the heat collecting water pipe and the circulating warm pipe, when the flue gas combusted by the cupola furnace is introduced into the flue gas mixing chamber through the furnace flue gas inlet, the water in the heat collecting water pipe can be heated, the waste heat of the flue gas is utilized, when the flue gas after secondary combustion is introduced into the combustion flue gas pipe, the outside of the combustion flue gas pipe is wrapped and provided with the heat collecting plate, the heat collecting water pipe and the circulating warm pipe, the heat collecting water pipe is communicated with the water storage tank, the flue gas after secondary combustion has a large amount of waste heat, the heat collecting plate absorbs heat to collect heat for heating the water in the temperature control heat collecting water pipe, the power switch is turned on, the circulating fan works, the fan shaft rotates to drive the fan blades to rotate to generate air flow, the circulation in the circulating warm pipe is carried out, the circulating warm pipe absorbs heat of the flue gas after secondary combustion to control the temperature, the waste heat is utilized, the waste heat utilization rate of recovery of the flue gas is improved.
3. According to the invention, the dust removal filter bag and the flue gas cleaner are arranged, the flue gas after secondary combustion is conveyed to the dust removal filter bag through the combustion flue gas pipe, the dust removal filter bag can filter and remove dust from the flue gas after secondary combustion, the filtered dust can exist on the dust removal filter bag, then the flue gas is conveyed to the flue gas cleaner through the combustion flue gas pipe, the flue gas firstly enters the sulfur removal chamber in the flue gas cleaner through the connecting port, the sulfur gas in the flue gas is neutralized by a strong base solution in the sulfur removal chamber, then the flue gas enters the decontamination chamber in the flue gas cleaner through the connecting port, the pollution particles in the flue gas are adsorbed by active adsorption carbon in the decontamination chamber, and finally the flue gas is discharged through the smoke exhaust chimney.
4. According to the steam turbine, the steam chamber and the steam turbine are arranged, water liquid in the water storage tank is heated by using waste heat of flue gas to generate steam, the generated steam is gathered in the steam chamber and is conveyed into the steam turbine through the steam pipe to drive the steam turbine blades in the steam turbine to rotate, the steam turbine blades drive the connecting shaft lever to rotate, the connecting shaft lever drives the electrodeless brush arranged in the right-end generator to rotate, the electrodeless brush rotates to rub the brush magnet arranged on the inner side wall of the generator to generate current, and the current is conveyed to the outside through the electrified wire fixedly connected with the binding post.
5. The invention is provided with a flue gas mixer, a power switch is turned on, an oxygen delivery machine and the flue gas mixer are electrified to work, when the oxygen delivery machine works, a rotating motor is electrified to rotate to drive a rotating bearing to rotate, the rotating bearing drives a rotary vane to rotate, external oxygen is input, an oxygen valve is opened, the oxygen enters a flue gas mixing chamber through an oxygen spray pipe, when the flue gas mixer works, a machine shaft rotates to drive the rotary vane to rotate to generate mixed gas flow, and the input cupola flue gas and the oxygen are fully mixed, so that the oxygen can be fully mixed with the flue gas to be subjected to secondary combustion, and a good combustion environment is provided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a cupola flue gas waste heat recovery and utilization device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an igniter of the cupola flue gas waste heat recovery device according to the embodiment of the invention;
FIG. 3 is a schematic structural view of a flue gas cleaner of a cupola flue gas waste heat recovery and utilization device according to an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a steam turbine and a generator of the flue gas waste heat recycling device of the cupola furnace according to the embodiment of the invention;
FIG. 5 is a schematic structural view of a smoke filter bag of the cupola furnace flue gas waste heat recovery and utilization device according to the embodiment of the invention;
FIG. 6 is a schematic structural view of a circulating fan of the cupola furnace flue gas waste heat recovery and utilization device according to the embodiment of the invention;
FIG. 7 is a schematic structural view of an oxygen feeder of a cupola flue gas waste heat recovery and utilization device according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of a flue gas mixer of the cupola flue gas waste heat recovery and utilization device according to the embodiment of the invention;
FIG. 9 is a schematic structural view of a heat collecting water pipe of the cupola flue gas waste heat recovery and utilization device according to the embodiment of the invention;
fig. 10 is a schematic structural view of a water outlet valve of a flue gas waste heat recycling device of a cupola furnace according to an embodiment of the present invention.
In the figure: 1. an igniter; 2. a combustion chamber; 3. a combustion flue gas duct; 4. a heat collecting water pipe; 5. a water inlet valve; 6. a water inlet pipe; 7. a generator; 8. a steam turbine; 9. a steam pipe; 10. circulating the heating pipe; 11. a circulating fan; 12. a flue gas cleaner; 13. a chimney; 14. a flue gas inlet; 15. a smoke dust filter bag; 16. a steam chamber; 17. a water storage tank; 18. a water outlet valve; 19. a water outlet pipe; 20. a water delivery pipe; 21. a smoke inlet and delivery pipe; 22. an oxygen valve; 23. an oxygen inlet pipe; 24. oxygen is delivered to the machine; 25. an oxygen nozzle; 26. a furnace smoke inlet; 27. a flue gas mixing chamber; 28. a flue gas mixer; 29. a heat absorption water pipe; 30. a high-voltage wire; 31. an ignition knob; 32. a discharge needle; 33. a piezoelectric crystal; 34. a negative pole block; 35. a positive electrode block; 36. a knob stem; 37. a spring lever; 38. a return spring; 39. a sulfur removal chamber; 40. a decontamination chamber; 41. activated carbon adsorption; 42. a strong base solution; 43. a connecting port; 44. a steam turbine blade; 45. a shaft sleeve; 46. electrifying the wire; 47. a binding post; 48. a non-polar electric brush; 49. a brush magnet; 50. a steam outlet; 51. connecting the shaft lever; 52. mounting a rod; 53. installing a buckle; 54. a fan shaft; 55. a fan blade; 56. a fan guard; 57. rotating leaves; 58. a rotating electric machine; 59. a rotating bearing; 60. a machine blade; 61. a crankshaft; 62. a heat collecting plate; 63. a valve hand; 64. a valve is inserted.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The flue gas waste heat recycling device of the cupola furnace according to the embodiment of the invention will be described in detail with reference to fig. 1 to 10.
Referring to fig. 1, the cupola flue gas waste heat recycling device provided by the embodiment of the invention comprises a flue gas mixing chamber 27, a flue gas inlet 26 is formed at the lower end of the flue gas mixing chamber 27, a flue gas mixer 28 is fixedly installed inside the flue gas mixing chamber 27, combustion chambers 2 are installed at two sides of the flue gas mixing chamber 27 through a flue gas inlet pipe 21 in a communicating manner, a combustion flue gas pipe 3 is installed at the upper end of each combustion chamber 2 in a communicating manner, heat collecting water pipes 4 are respectively installed on the outer side walls of the combustion flue gas pipe 3 and the flue gas inlet pipe 21 in a wrapping manner, the heat collecting water pipes 4 are communicated with a water storage tank 17 through water pipes 20, igniters 1 are fixedly embedded at the lower end of each combustion chamber 2, heat absorbing water pipes 29 are fixedly installed inside the flue gas mixing chamber 27, the upper ends of the heat absorbing water pipes 29 are communicated with the water, the water inlet valve 5 is fixedly embedded and installed on the water inlet pipe 6, the water outlet pipe 19 is installed at the right end of the water storage tank 17 in a communicated mode, the water outlet valve 18 is fixedly embedded and installed on the water outlet pipe 19, the upper end of the water storage tank 17 is provided with a steam chamber 16, the left end and the right end of the steam chamber 16 are provided with steam pipes 9 in a communicated mode, the steam pipes 9 are provided with steam turbines 8 in a communicated mode, the steam turbines 8 are connected and installed on the generator 7, the upper end of the combustion flue gas pipe 3 is provided with a flue gas cleaner 12 in a communicated mode, the upper end of the flue gas cleaner 12 is provided with a smoke discharging chimney 13 in a communicated mode, the two ends of the flue gas cleaner 12 are provided with flue gas inlets 14, a smoke filter bag 15 is fixedly embedded and installed inside the combustion flue gas pipe 3, a circulating, the oxygen spray pipe 25 is communicated with the oxygen delivering machine 24, the oxygen delivering machine 24 is communicated with the oxygen inlet pipe 23, the oxygen valve 22 is fixedly embedded on the oxygen spray pipe 25, the fuel utilization rate and the waste heat utilization recovery rate are improved, air environment pollution is prevented, and the recyclable energy is greatly utilized in a cross-field mode.
Referring to fig. 2, install piezoelectric crystal 33 on some firearm 1, fixed mounting has high-voltage wire 30 on piezoelectric crystal 33, high-voltage wire 30 upper end fixed mounting has discharge needle 32, piezoelectric crystal 33 lower extreme is connected and is installed negative pole piece 34, negative pole piece 34 is connected with the contact of positive pole piece 35, positive pole piece 35 lower extreme is connected and is installed back force spring 38, fixed mounting has spring beam 37 on the positive pole piece 35, spring beam 37 is connected with knob pole 36 contact, knob pole 36 fixed mounting is on the ignition knob 31 of some firearm 1, and some firearm 1 is used for carrying out the postcombustion to the flue gas that produces when the cupola furnace burns, prevents to cause the partial fuel waste that contains in the flue gas, has improved fuel utilization.
Referring to fig. 3, inside both ends of flue gas cleaner 12 have all fixedly seted up sulphur removal room 39 and scrubbing room 40, be linked together through connector 43 between sulphur removal room 39 and the scrubbing room 40, the inside strong alkaline solution 42 of annotating of sulphur removal room 39, the inside active adsorption charcoal 41 that is equipped with of scrubbing room 40, flue gas cleaner 12 is used for carrying out the cleaning treatment emission to the final waste gas that produces when burning, prevents the polluted air environment.
Referring to fig. 4, the inside center of steam turbine 8 is inlayed through the shaft lever cover 45 and is installed connecting shaft lever 51, fixed mounting has a plurality of turbine blades 44 on the connecting shaft lever 51 left end, connecting shaft lever 51 right-hand member is inlayed and is installed inside generator 7, inlay on the generator 7 inside wall and install brush magnet 49, connecting shaft lever 51 right-hand member fixed mounting has anodeless brush 48, through terminal 47 fixedly connected with circular telegram line 46 on the generator 7 outside wall, steam outlet 50 has been seted up to 8 lower extremes of steam turbine, and steam turbine 8 utilizes the waste heat of flue gas to carry out steam power generation, and very big strides the field and has utilized the energy of recycling.
Referring to fig. 5, the mounting buckle 53 is installed at the upper end of the dust filter bag 15, the dust filter bag 15 is installed on the mounting rod 52 through the mounting buckle 53, and the dust filter bag 15 is used for cleaning, treating and discharging final waste gas generated during combustion, so as to prevent air pollution.
Referring to fig. 6, a fan shaft 54 is installed inside the center of the circulation fan 11, fan blades 55 are fixedly installed on the fan shaft 54, a fan cover 56 is installed on the circulation fan 11, and the circulation fan 11 is used for circulating the warm air in the circulation warm tube 10.
Referring to fig. 7, a rotating motor 58 is installed on the oxygen feeder 24, a rotating bearing 59 is installed at the upper end of the rotating motor 58, a rotary vane 57 is fixedly installed at the upper end of the rotating bearing 59, and the oxygen feeder 24 is used for feeding oxygen.
Referring to fig. 8, a shaft 61 is installed at the center of the flue gas mixer 28, a vane 60 is fixedly installed on the shaft 61, and the flue gas mixer 28 is used for sufficiently mixing oxygen with flue gas to be subjected to secondary combustion so as to provide a good combustion environment.
Referring to fig. 9, a heat collecting plate 62 is fixedly installed between the combustion flue gas pipe 3 and the heat collecting water pipe 4, and the heat collecting plate 62 is used for drawing and absorbing residual heat in the flue gas.
Referring to fig. 10, a valve handle 63 is installed on the water outlet valve 18, an embedded valve 64 is fixedly installed at the lower end of the valve handle 63, the embedded valve 64 is embedded inside the water outlet pipe 19, and the water outlet valve 18 is used for controlling the discharge of water in the water storage tank 17.
Referring to fig. 1, the inlet valve 5 and the oxygen valve 22 are both the same as the outlet valve 18, the inlet valve 5 is used for controlling the water liquid in the storage tank 17 to enter, and the oxygen valve 22 is used for oxygen input of the oxygen nozzle 25.
The embodiment of the invention provides a cupola flue gas waste heat recycling device, when in use, the cupola flue gas is mixed with sufficient oxygen and then is introduced into a combustion chamber 2 through a flue gas inlet conveying pipe 21 by arranging the combustion chamber 2 and an igniter 1, the ignition knob 31 of the igniter 1 is manually twisted for ignition, the ignition knob 31 is rotated, so that the knob rod 36 and the spring rod 37 collide back and forth, the positive electrode block 35 and the negative electrode block 34 of the igniter 1 collide through the resilience force of the return spring 38, discharge is generated between the discharge needle 32 at the upper end of the high-voltage lead 30 and the piezoelectric crystal 33, electric sparks are generated, the combustible flue gas in the combustion chamber 2 is ignited for secondary combustion and utilization, the flue gas after secondary combustion is introduced into the combustion flue gas pipe 3, and thus, the secondary combustion can be carried out on the flue gas generated during the combustion of the cupola furnace, so that the waste of partial fuel contained in the flue gas is prevented, and the fuel utilization rate is improved; by arranging the heat collecting water pipe 4 and the circulating warm pipe 10, when flue gas combusted by the cupola furnace is introduced into the flue gas mixing chamber 27 through the furnace flue gas inlet 26, water in the heat collecting water pipe 29 can be heated, the waste heat of the flue gas is utilized, when flue gas combusted by the secondary combustion is introduced into the combustion flue gas pipe 3, the heat collecting plate 62, the heat collecting water pipe 4 and the circulating warm pipe 10 are wrapped outside the combustion flue gas pipe 3, the heat collecting water pipe 4 is communicated with the water storage tank 17, the flue gas combusted by the secondary combustion has a large amount of waste heat, the heat collecting plate 62 is utilized to absorb heat and collect heat for heating the water in the temperature control heat collecting water pipe 4, a power switch is turned on, the circulating fan 11 works, the fan shaft 54 rotates to drive the fan blades 55 to rotate to generate air flow, the circulation in the circulating warm pipe 10 is circulated, the circulating warm pipe 10 absorbs heat of the flue gas after the secondary combustion to control the temperature, waste of residual heat energy of the flue gas is prevented, and the utilization and recovery rate of the residual heat of the flue gas is improved; by arranging the dust removal filter bag 15 and the flue gas cleaner 12, the flue gas after secondary combustion is conveyed to the dust removal filter bag 15 through the combustion flue gas pipe 3, the dust removal filter bag 15 can filter and remove dust from the flue gas after secondary combustion, the filtered dust can exist on the dust removal filter bag 15, then the flue gas is conveyed to the flue gas cleaner 12 through the combustion flue gas pipe 3, the flue gas firstly enters the sulfur removal chamber 39 in the flue gas cleaner 12 through the connecting port 43, the vulcanized gas in the flue gas is neutralized through the strong base solution 42 in the sulfur removal chamber 39, the flue gas enters the decontamination chamber 40 in the flue gas cleaner 12 through the connecting port 43, the pollution particles in the flue gas are adsorbed through the active adsorption carbon 41 in the decontamination chamber 40, and finally the flue gas is discharged through the smoke exhaust chimney 13, so that the final waste gas generated during combustion can be cleaned and discharged, and the air environment pollution is prevented; by arranging the steam chamber 16 and the steam turbine 8, water liquid in the water storage tank 17 is heated by using waste heat of flue gas to generate steam, the generated steam can be gathered in the steam chamber 16 and is conveyed into the steam turbine 8 through the steam pipe 9 to drive the steam turbine blades 44 in the steam turbine 8 to rotate, the steam turbine blades 44 drive the connecting shaft lever 51 to rotate, the connecting shaft lever 51 drives the electrodeless brush 48 arranged in the right-end generator 7 to rotate, the electrodeless brush 48 rotates to rub the brush magnet 49 arranged on the inner side wall of the generator 7 to generate current, and the current is conveyed to the outside through the electrified wire 46 fixedly connected with the binding post 47, so that the waste heat of the flue gas can be used for steam power generation, and the recyclable energy is utilized in a very large span field; through being equipped with the flue gas and mixing machine 28, turn on switch, the oxygen is defeated for machine 24 and the circular telegram work of flue gas mixing machine 28, the oxygen is defeated for machine 24 during operation, rotating electrical machines 58 circular telegram is rotatory, it is rotatory to drive rolling bearing 59, rolling bearing 59 drives the rotation of rotary vane 57, with external oxygen input, open oxygen valve 22, get into flue gas mixing chamber 27 through oxygen spray tube 25, the flue gas mixes machine 28 during operation, spindle 61 is rotatory, it is rotatory to drive the rotation of vane 60, produce the mixed gas stream, carry out abundant mixture to the cupola flue gas and the oxygen of input, so, can aim at the flue gas that is ready to carry out the postcombustion and carry out intensive mixing oxygen, in order to provide good combustion environment.
The rotating electrical machine 58 is a common type Y-180L-8 on the market; the circulating fan 11 is a common GDF with the model of 3.0-8 on the market; the oxygen feeder 24 is a common GDF model of 1.4-4 on the market; the flue gas mixer 28 is a commercially available model 100WL 80-8-4.
The invention is a cupola flue gas waste heat recycling device, which comprises an igniter 1, a combustion chamber 2, a combustion flue gas pipe 3, a heat collecting water pipe 4, a water inlet valve 5, a water inlet pipe 6, a generator 7, a steam turbine 8, a steam pipe 9, a circulating warm pipe 10, a circulating fan 11, a flue gas cleaner 12, a smoke exhaust chimney 13, a flue gas inlet 14, a smoke filter bag 15, a steam chamber 16, a water storage tank 17, a water outlet valve 18, a water outlet pipe 19, a water pipe 20, a smoke inlet pipe 21, an oxygen valve 22, an oxygen inlet pipe 23, an oxygen delivery machine 24, an oxygen spray pipe 25, a furnace flue inlet 26, a flue gas mixing chamber 27, a flue gas mixing machine 28, a heat absorption water pipe 29, a high-pressure lead 30, an ignition knob 31, a discharge needle 32, a piezoelectric crystal 33, a negative block 34, a positive block 35, a knob rod 36, a spring rod 37, a return spring 38, a sulfur removal chamber 39, a pollution removal chamber 40, activated carbon, The electric appliance comprises a strong alkaline solution 42, a connecting port 43, a turbine blade 44, a shaft lever sleeve 45, an electrified wire 46, a binding post 47, an electrodeless brush 48, a brush magnet 49, a steam outlet 50, a connecting shaft lever 51, an installation lever 52, an installation buckle 53, a fan shaft 54, fan blades 55, a fan cover 56, a rotary blade 57, a rotating motor 58, a rotating bearing 59, a fan blade 60, a shaft 61, a heat collection plate 62, a valve handle 63 and an embedded valve 64, wherein the electric appliance elements are all products in the prior art, the electric appliance elements are selected, installed and debugged by a person skilled in the art according to use requirements to ensure that all electric appliances can normally work, the parts are all universal standard parts or parts known by the person skilled in the art, the structure and principle of the electric appliance are known by the technical manual or by a conventional experimental method, and the applicant is not particularly limited herein.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.

Claims (11)

1. The utility model provides a cupola flue gas waste heat recovery utilizes device which characterized in that: including flue gas mixing chamber (27), stove cigarette import (26) have been seted up to flue gas mixing chamber (27) lower extreme, the inside fixed mounting of flue gas mixing chamber (27) has flue gas mixing machine (28), flue gas mixing chamber (27) both sides are installed combustion chamber (2) through advancing cigarette defeated pipe (21) intercommunication, combustion chamber (2) upper end intercommunication is installed combustion flue gas pipe (3), all wrap up on combustion flue gas pipe (3) and advance cigarette defeated pipe (21) lateral wall and install thermal-arrest water pipe (4), thermal-arrest water pipe (4) communicate on storage water tank (17) through raceway (20), combustion chamber (2) lower extreme fixed inlay installs some firearm (1), the inside fixed mounting of flue gas mixing chamber (27) has heat absorption water pipe (29), heat absorption water pipe (29) upper end communicates in storage water tank (17), inlet tube (6) are installed to storage water tank (17) left end intercommunication, the water inlet valve (5) is fixedly embedded in the water inlet pipe (6), the water outlet pipe (19) is installed in the communication of the right end of the water storage tank (17), the water outlet valve (18) is installed in the water outlet pipe (19) in a fixed embedding mode, the steam chamber (16) is arranged at the upper end of the water storage tank (17), the steam pipe (9) is installed in the communication of the left end and the right end of the steam chamber (16), the steam pipe (9) is installed in the communication mode, the steam turbine (8) is installed in the connection mode on the power generator (7), the flue gas cleaner (12) is installed in the communication mode at the upper end of the combustion flue gas pipe (3), the flue gas inlet (14) is formed in the two ends of the flue gas cleaner (12), the flue gas filter bag (15) is installed in the fixed embedding mode inside the combustion flue gas pipe (3), the circulating heating, circulating fan (11) are installed in the intercommunication on circulation heating coil (10), inlay in flue gas mixing chamber (27) and install oxygen spray tube (25), oxygen spray tube (25) communicate in oxygen defeated machine (24) of giving, oxygen is defeated to have oxygen to advance pipe (23) for machine (24) intercommunication, fixed the inlaying on oxygen spray tube (25) and installs oxygen valve (22).
2. The cupola furnace flue gas waste heat recovery and utilization device according to claim 1, characterized in that: install piezoelectric crystal (33) on some firearm (1), fixed mounting has high-voltage wire (30) on piezoelectric crystal (33), high-voltage wire (30) upper end fixed mounting has discharge needle (32), piezoelectric crystal (33) lower extreme is connected and is installed negative pole piece (34), negative pole piece (34) are connected with positive pole piece (35) contact, positive pole piece (35) lower extreme is connected and is installed return spring (38), fixed mounting has spring beam (37) on positive pole piece (35), spring beam (37) are connected with knob pole (36) contact, knob pole (36) fixed mounting is on the ignition knob (31) of some firearm (1).
3. The cupola furnace flue gas waste heat recovery and utilization device according to claim 1, characterized in that: the inside both ends of flue gas cleaner (12) are all fixed and have been seted up sulphur removal room (39) and scrubbing room (40), be linked together through connector (43) between sulphur removal room (39) and scrubbing room (40), inside strong alkaline solution (42) of having annotated of sulphur removal room (39), scrubbing room (40) inside is equipped with active adsorption carbon (41).
4. The cupola furnace flue gas waste heat recovery and utilization device according to claim 1, characterized in that: the steam turbine is characterized in that a connecting shaft rod (51) is mounted at the inner center of the steam turbine (8) in an embedded mode through a shaft rod sleeve (45), a plurality of steam wheel blades (44) are fixedly mounted at the left end of the connecting shaft rod (51), the right end of the connecting shaft rod (51) is mounted inside the generator (7) in an embedded mode, an electric brush magnet (49) is mounted on the inner side wall of the generator (7) in an embedded mode, a electrodeless electric brush (48) is fixedly mounted at the right end of the connecting shaft rod (51), a power line (46) is fixedly connected to the outer side wall of the generator (7) through a binding post (47), and a steam outlet.
5. The cupola furnace flue gas waste heat recovery and utilization device according to claim 1, characterized in that: the dust removing filter bag is characterized in that an installation buckle (53) is installed at the upper end of the dust removing filter bag (15), and the dust removing filter bag (15) is installed on the installation rod (52) through the installation buckle (53).
6. The cupola furnace flue gas waste heat recovery and utilization device according to claim 1, characterized in that: a fan shaft (54) is installed in the center of the circulating fan (11), fan blades (55) are fixedly installed on the fan shaft (54), and a fan cover (56) is installed on the circulating fan (11).
7. The cupola furnace flue gas waste heat recovery and utilization device according to claim 1, characterized in that: the oxygen feeder (24) is provided with a rotating motor (58), the upper end of the rotating motor (58) is provided with a rotating bearing (59), and the upper end of the rotating bearing (59) is fixedly provided with a rotary vane (57).
8. The cupola furnace flue gas waste heat recovery and utilization device according to claim 1, characterized in that: a crankshaft (61) is installed in the center of the flue gas mixing machine (28), and an organic blade (60) is fixedly installed on the crankshaft (61).
9. The cupola furnace flue gas waste heat recovery and utilization device according to claim 1, characterized in that: and a heat collecting plate (62) is fixedly arranged between the combustion flue gas pipe (3) and the heat collecting water pipe (4).
10. The cupola furnace flue gas waste heat recovery and utilization device according to claim 1, characterized in that: the water outlet valve (18) is provided with a valve handle (63), the lower end of the valve handle (63) is fixedly provided with an embedded valve (64), and the embedded valve (64) is embedded in the water outlet pipe (19).
11. The cupola furnace flue gas waste heat recovery and utilization device according to claim 1, characterized in that: the structure and the composition of the water inlet valve (5) and the oxygen valve (22) are the same as those of the water outlet valve (18).
CN202010415593.3A 2020-05-16 2020-05-16 Cupola flue gas waste heat recovery and utilization device Pending CN111551040A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010415593.3A CN111551040A (en) 2020-05-16 2020-05-16 Cupola flue gas waste heat recovery and utilization device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010415593.3A CN111551040A (en) 2020-05-16 2020-05-16 Cupola flue gas waste heat recovery and utilization device

Publications (1)

Publication Number Publication Date
CN111551040A true CN111551040A (en) 2020-08-18

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Country Link
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101482273A (en) * 2009-02-12 2009-07-15 林大勇 Environment-friendly solid fuel gasifying combustion and energy conversion system
CN209130842U (en) * 2018-11-07 2019-07-19 技新（浙江）节能技术有限公司 A kind of power generator using fume afterheat
CN210356645U (en) * 2019-07-16 2020-04-21 苏州汉风科技发展有限公司 Flue gas desulfurization device
CN212108975U (en) * 2020-04-15 2020-12-08 陕西聚鑫弘业环保科技有限公司 Gas boiler

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101482273A (en) * 2009-02-12 2009-07-15 林大勇 Environment-friendly solid fuel gasifying combustion and energy conversion system
CN209130842U (en) * 2018-11-07 2019-07-19 技新（浙江）节能技术有限公司 A kind of power generator using fume afterheat
CN210356645U (en) * 2019-07-16 2020-04-21 苏州汉风科技发展有限公司 Flue gas desulfurization device
CN212108975U (en) * 2020-04-15 2020-12-08 陕西聚鑫弘业环保科技有限公司 Gas boiler

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