CN112370919A - Boiler flue gas waste heat recovery utilizes system - Google Patents

Boiler flue gas waste heat recovery utilizes system Download PDF

Info

Publication number
CN112370919A
CN112370919A CN202011236082.1A CN202011236082A CN112370919A CN 112370919 A CN112370919 A CN 112370919A CN 202011236082 A CN202011236082 A CN 202011236082A CN 112370919 A CN112370919 A CN 112370919A
Authority
CN
China
Prior art keywords
flue gas
gas
pipeline
reaction tank
waste heat
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
CN202011236082.1A
Other languages
Chinese (zh)
Inventor
李延平
李燕春
李燕宾
翟现刚
黄振波
束海涛
许庆涛
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.)
Shandong Dai Rong Energy Saving Environmental Protection Technology Co ltd
Original Assignee
Shandong Dai Rong Energy Saving Environmental Protection Technology 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 Shandong Dai Rong Energy Saving Environmental Protection Technology Co ltd filed Critical Shandong Dai Rong Energy Saving Environmental Protection Technology Co ltd
Priority to CN202011236082.1A priority Critical patent/CN112370919A/en
Publication of CN112370919A publication Critical patent/CN112370919A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0407—Constructional details of adsorbing systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/38—Removing components of undefined structure
    • B01D53/40—Acidic components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/79—Injecting reactants
    • 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
    • F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
    • 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
    • F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D15/00—Other domestic- or space-heating systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/30—Technologies for a more efficient combustion or heat usage

Abstract

The invention discloses a boiler flue gas waste heat recycling system in the field of flue gas purification devices, which comprises a flue gas inlet pipeline, wherein an activated carbon primary filter layer is arranged in the flue gas inlet pipeline, the output end of the flue gas inlet pipeline is arranged in a reaction tank, a suspension bracket is fixed above the reaction tank, a motor is fixed on the upper part of the inner part of the reaction tank through a bolt, a stirrer is fixed below the motor, a fan is fixed on the upper part of the left side of the reaction tank through a bolt, a liquid inlet pipeline is arranged below the fan, a water level sensor is fixed below the fan, the left side of the liquid inlet pipeline is fixedly connected with a water pump, the water pump pipeline is connected with a water level observation chamber, the water level observation chamber is connected with a lower pressurizing valve through a left pipeline, the right side of the pressurizing valve is connected with a liquid condenser pipe, the right side of the liquid condenser pipe is connected with a heater. This device can purify the flue gas waste heat through filtration and condensation mode, lets liquid and gaseous recycle, has improved purification efficiency.

Description

Boiler flue gas waste heat recovery utilizes system
Technical Field
The invention relates to the field of flue gas purification devices, in particular to a boiler flue gas waste heat recycling system.
Background
The boiler flue gas waste heat recycling device is a boiler flue gas waste heat recycling system designed for industrial waste gas high-temperature flue gas, has a complete purification system consisting of a flue gas inlet pipeline, a high-efficiency filter, an activated carbon filter, a condenser and the like, and is widely applied to waste heat recycling of flue gas (or other high-temperature pollution gases) with the temperature of more than 280 ℃ in industries such as glass, metallurgy, smelting, petrifaction, building materials, ceramics, light textile and the like. Namely, the method can be applied to industrial boilers, fluidized bed boilers, heat-conducting oil furnaces, smelting furnaces, metallurgical furnaces, blast furnace hot blast furnaces, heating furnaces, fertilizer plants and paper mills with the exhaust gas temperature higher than 280 ℃.
Among the prior art, recovery boiler flue gas waste heat recovery utilizes device structure is complicated, at the fixed granule of purification flue gas, waste water direct discharge, can not reach the effect of retrieving, and the waste water of high temperature discharge can the polluted environment, can not obtain the reutilization, gas direct discharge after through ordinary purification, can not obtain utilizing and can not reach real pollution-free yet, the pollution of atmospheric environment has been caused on the contrary, filterable gas and the harmful substance of liquid do not get rid of, also can not obtain effectual utilization, cause the multiple pollution, the high temperature waste heat that liquid and flue gas formed, also can not obtain complete cooling, the efficiency ratio is lower, purify thoroughly, the operation is also more loaded down with trivial details, consuming time power.
Disclosure of Invention
The invention aims to provide a boiler flue gas waste heat recycling system to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a boiler flue gas waste heat recycling system comprises a flue gas inlet pipeline, wherein an activated carbon prefilter layer is arranged in the flue gas inlet pipeline, an output end of the flue gas inlet pipeline is arranged in a reaction tank, a suspension bracket is fixed above the reaction tank, a motor is fixed by bolts above the interior of the reaction tank, a stirrer is fixed below the motor, a fan is fixed by bolts above the left side of the reaction tank, a liquid inlet pipeline is arranged below the fan, a water level sensor is fixed below the fan, a water pump is fixedly connected with the left side of the liquid inlet pipeline, a water pump pipeline is connected with a water level observation room, the water level observation room is connected with a pressurization valve below through a left pipeline, the right side of the pressurization valve is connected with a liquid condensation pipe, the right side of the liquid condensation pipe is connected with a heating tank through a pipeline, the right side of the heating tank is connected with a water outlet, and a, the fixed sprinkler head in gaseous reaction room top, the below of gaseous reaction room is equipped with sewage discharge port, the upper right side of gaseous reaction room is connected to the HEPA filter screen through the pipe connection, HEPA filter screen right side pipe connection air pump, air pump right side pipe connection power generation box, there is the electricity generation fan power generation box inside, be connected with the generator in the pivot of electricity generation fan, the generator is fixed on the inner wall of below in the power generation box, the outside below of power generation box is fixed with the electrode box, the gas condenser pipe is connected on the power generation box right side, the outside packing of gas condenser pipe has the condensate, the gas condenser pipe right side is passed through pipe connection exhaust chimney.
As a further scheme of the invention: the hydrophobic filter membrane is arranged above the condensed water in the reaction tank, so that the overflow of water vapor and solid particle impurities is better prevented during use.
As a still further scheme of the invention: and a hydrophobic filter membrane is arranged above the liquid level of the reaction tank.
As a still further scheme of the invention: the liquid condensation pipe is placed in the liquid condensation device in an S shape.
As a still further scheme of the invention: the HEPA filter screen is vertically arranged in the gas filtering device on the right side of the reaction tank, and a plurality of layers are vertically arranged.
As a still further scheme of the invention: the number of the spraying heads is multiple, and the spraying heads are arranged above the gas reaction chamber in a matrix manner.
As a still further scheme of the invention: and a fan is also arranged in the middle of the right side wall of the gas reaction chamber.
As a still further scheme of the invention: and heat-insulating trays are arranged below the reaction tank, the gas reaction chamber, the gas condensation pipe and the liquid condensation pipe.
As a still further scheme of the invention: the heating pipeline in the heating box is S-shaped, the heating pipeline is fixed in the heating box through a heat insulation plate, one side of the heating box is provided with a blower, the other side of the heating box is communicated with a hot air outlet pipe, and a heat insulation reflection layer is arranged on the inner wall of the heating box. The purpose of the heating box is to further improve the waste heat utilization rate of the heating pipeline.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, the smoke inlet pipeline is directly inserted into the reaction liquid in the reaction tank, the temperature and the solid particles in the smoke can be effectively reduced, the stirrer is fixed above the inside of the reaction tank, the solid particles can be further fully dissolved and crushed, the filtered waste water can provide heating for a factory building through heat exchange in the heating pipe below, the waste heat can be utilized, part of the waste heat can be cooled, water flows to the liquid condensation pipe through the heating box and is further cooled, when the waste water passes through the water level observation chamber, an operator can conveniently observe and distinguish the residual amount of the reaction liquid in the reaction tank, the waste water flows back to the condensation water in the reaction tank, the aim of recycling is achieved, after part of the filtered high-temperature and high-pressure gas overflows, the filtered high-temperature and high-pressure gas passes through the hydrophobic filter membrane and is accelerated and guided by the fan to enter the gas reaction chamber, and is fully neutralized by alkaline, can effectual filtering gas acidic harmful gas, and high temperature high-pressure gas further drives the air pump and takes out through HEPA filtering material with higher speed, filter remaining harmful substance, send the power generation box to by the air pump pressurization again, it rotates to drive the generating fan through direct current gas, through rotating the electricity generation, the conversion electric energy is stored in the electrode box, reach the purpose that gaseous secondary was recycled, cool off through the condenser pipe again, discharge at last in the air, the pollution-free emission really can be accomplished, all gas and liquid can be utilized, and whole process has the pump body to carry out control switch, high durability and convenient use, and the operation is simple.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an external view of the present invention;
fig. 3 is a schematic structural diagram of the heater box in the figure of the present invention.
In the figure: 1. a smoke inlet pipeline; 2. a suspension bracket; 3. a sprinkler head; 4. a fan; 5. a HEPA filter screen; 6. an air pump; 7. a condensate; 8. a gas condenser tube; 9. an exhaust stack; 10. a thermally insulated tray; 11. a sewage discharge port; 12. a gas reaction chamber; 13. a stirrer; 14. a reaction tank; 15. a liquid condenser tube; 16. a pressure increasing valve; 17. a water level sensor; 18. a water level observation chamber; 19. a water pump; 20. a hydrophobic filter membrane; 21. a power generating fan; 22. a generator; 23. an electrode cartridge; 24. a motor; 25. a water outlet; 26. a power generation box; 27. a radiator box; 28. a heating pipe; 29. a heat insulation plate; 30. a blower; 31. a hot air outlet pipe; 32. a heat insulating reflective layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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.
Referring to fig. 1 to 3, in the embodiment of the present invention, a boiler flue gas waste heat recycling system includes a flue gas inlet pipe 1, an activated carbon prefilter layer is disposed in the flue gas inlet pipe 1, an output end of the flue gas inlet pipe 1 is disposed in a reaction tank 14, a suspension frame 2 is fixed above the reaction tank 14, the suspension frame 2 plays a role of supporting so that a heat source is not too close to the ground and is dangerous, a motor 24 is fixed on an upper portion inside the reaction tank 14 by a bolt, a stirrer 13 is fixed below the motor 24, a fan 4 is fixed on an upper portion on a left side of the reaction tank 14 by a bolt, a liquid inlet pipe is disposed below the fan 4, a water level sensor 17 is fixed below the fan 4, a water pump 19 is fixedly connected on a left side of the liquid inlet pipe, the water pump 19 is connected to a water level observation chamber 18 by a pipeline, the water level observation chamber 18 is connected to a pressurizing valve 16 on a lower portion by a left side pipeline, a, the right side of the heating box 27 is connected to the water outlet 25, the right side inside the reaction tank 14 is provided with a gas reaction chamber 12, a spraying head 3 is fixed on the top of the gas reaction chamber 12, a sewage outlet 11 is arranged below the gas reaction chamber 12, the upper right side of the gas reaction chamber 12 is connected to an HEPA filter screen 5 through a pipeline, an air pump 6 is connected to the right side of the HEPA filter screen 5 through a pipeline, a power generation box 26 is connected to the right side of the air pump 6 through a pipeline, a power generation fan 21 is arranged inside the power generation box 26, a power generator 22 is connected to the rotating shaft of the power generation fan 21, the power generator 22 is fixed on the inner wall of the lower side in the power generation box 26, an electrode box 23 is fixed below the outer side of the power generation box 26, a gas condensation pipe 8.
The heating duct 28 in the heating box 27 is S-shaped, the heating duct 28 is fixed in the heating box 27 through a heat insulation board 29, one side of the heating box 27 is provided with a blower 30, the other side of the heating box 27 is communicated with a hot air outlet pipe 31, and the inner wall of the heating box 27 is provided with a heat insulation reflection layer 32. The heat insulation reflecting layer 32 can keep the heat in the heater box 27 as much as possible, after the heater is guided by the blower 30 slightly, convection is enhanced, hot air can enter the hot air outlet pipe 31 as soon as possible, the heat on the heating pipeline 28 is further recycled, and the heat utilization rate of the heat can be improved through the structure in the heater box 27.
The liquid condensation duct 15 is placed inside the liquid condensation device in an S-shape. The S-shaped liquid condensation duct 15 can increase the time for which the cooling liquid circulates to improve the heat exchange rate.
The HEPA filter screen 5 is vertically arranged in the gas filtering device on the right side of the reaction tank 14, and a plurality of layers are vertically arranged. The purpose is to further improve the purification rate of high-temperature and high-pressure gas.
The shower heads 3 are plural in number and arranged in a matrix above the gas reaction chamber 12, mainly for the purpose of making the escaping gas sufficiently reactive.
The middle of the right side wall of the gas reaction chamber 12 is also provided with a fan 4. The fan 4 further guides the overflowed gas, so that the overflowed gas can swirl in the gas reaction chamber 12 and reach the HEPA filter screen 5 after being fully reacted.
And heat-insulating trays 10 are arranged below the reaction tank 14, the gas reaction chamber 12, the gas condensation pipe 8 and the liquid condensation pipe 15. The heat insulation tray 10 can facilitate the placement of the upper components on the cement piers and can play a role in heat insulation stacking.
The hydrophobic filter membrane 20 is arranged above the condensed water in the reaction tank 14, so that when the device is used, water vapor and solid particle impurities are prevented from overflowing;
the working principle of the invention is as follows: the discharged high-temperature flue gas enters the primary filter through the flue gas inlet pipe 1, then is discharged through the funnel-shaped discharge port in the cooling solvent in the active upper pipe re-reaction tank 14, the discharged gas is neutralized with the cooling solvent in the reaction tank 14, so that a part of temperature can be reduced, harmful solid particles in the flue gas are diffused in the cooling solvent in the reaction tank 14, then is driven by the stirrer 13 above the cooling solvent in the reaction tank 14 through the motor 24 to be rotationally stirred, so that the solid particles of the flue gas are further fused, larger particles are accelerated to be crushed, the filtered mixed waste water flows out through the water outlet 25 at the lower part and enters the heating box 27, the generated temperature can be directly emitted to the outside through the heating pipe 28 arranged in the S shape in the heating box 27, so that proper temperature can be provided for the outside, the heating pipe 28 is fixed on the heat insulation plate 29, and water flows through the heating pipe 28, under the action of a pressure increasing valve 16, the liquid passes through a liquid condensing pipe 15 in an accelerating way, is cooled by condensate 7 in a liquid condensing device, the cooled liquid is conveyed to a filtering device by the pressure increasing valve 16 through a vertical pipeline, a thick water level observation chamber 18 is arranged in the filtering device, harmful particles in the liquid are filtered, toxic substances are adsorbed, final filtering is carried out, the filtered water is pumped into a cooling solvent in a reaction tank 14 through a water pump 19, a water level sensor 17 is arranged above the left side of the cooling solvent in the reaction tank 14 and below a water inlet to prevent the water level from being overhigh, early warning is carried out in time, thus the filtered waste water can be utilized and recycled, resource waste is prevented, gas filtered by the cooling solvent in the reaction tank 14 is discharged from a hydrophobic filter membrane 20 above the cooling solvent in the reaction tank 14 and is conveyed to a gas reaction chamber 12 in an accelerating way through a fan 4, the basic liquid is sprayed out of the sprinkler heads 3 fixed in the gas reaction chamber 12 and above the gas reaction chamber to neutralize the acid harmful gas in the gas, the generated waste liquid passes through the sewage outlet 11 at the lower part, the left gas is pumped by the air pump 6 at high speed and is filtered by the multiple layers of HEPA filter screens 5, the harmful substances in the gas can be adsorbed, the pollution-free gas is left, the left gas enters the power generation box 26 under the action of the air pump 6, the direct-current gas drives the power generation fan 21, the rotation of the power generation fan 21 is converted into current in the power generator 22, the converted current is stored in the electrode box 23 for use, the gas passes through the power generation box 26 and further passes through a pipeline to enter the gas condensation pipe 8 for final cooling, and the cooled gas is discharged through the exhaust chimney 9, so that the pollution-free discharge effect of gas utilization and recovery is achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The boiler flue gas waste heat recycling system is characterized by comprising a flue gas inlet pipeline (1), wherein an activated carbon prefilter layer is arranged in the flue gas inlet pipeline (1), an output end of the flue gas inlet pipeline (1) is arranged in a reaction tank (14), a suspension bracket (2) is fixed above the reaction tank (14), a motor (24) is fixed on the upper side of the inside of the reaction tank (14) through a bolt, a stirrer (13) is fixed below the motor (24), a fan (4) is fixed on the upper side of the left side of the reaction tank (14) through a bolt, a liquid inlet pipeline is arranged below the fan (4), a water level sensor (17) is fixed below the fan (4), a water pump (19) is fixedly connected on the left side of the liquid inlet pipeline, the water pump (19) is connected with a water level observation chamber (18) through a pipeline, the water level observation chamber (18) is connected with a boosting valve (16) below through a, the liquid condenser pipe (15) is connected on the right side of the booster valve (16), the right side of the liquid condenser pipe (15) is connected with a heating chamber (27) through a pipeline, the right side of the heating chamber (27) is connected with a water outlet (25), the right side inside the reaction tank (14) is provided with a gas reaction chamber (12), a fixed sprinkler head (3) at the top of the gas reaction chamber (12), a sewage discharge port (11) is arranged below the gas reaction chamber (12), the upper right side of the gas reaction chamber (12) is connected with a HEPA filter screen (5) through a pipeline, the right side of the HEPA filter screen (5) is connected with a gas pump (6) through a pipeline, the right side of the gas pump (6) is connected with a power generation box (26) through a pipeline, a power generation fan (21) is arranged inside the power generation box (26), a power generator (22) is connected on the rotating shaft of the power generation, an electrode box (23) is fixed below the outer portion of the power generation box (26), a gas condensation pipe (8) is connected to the right side of the power generation box (26), condensate (7) is filled on the outer side of the gas condensation pipe (8), and the right side of the gas condensation pipe (8) is connected with an exhaust chimney (9) through a pipeline.
2. The boiler flue gas waste heat recovery and utilization system according to claim 1, characterized in that: a hydrophobic filter membrane (20) is arranged above the liquid level of the reaction tank (14).
3. The boiler flue gas waste heat recovery and utilization system according to claim 1, characterized in that: the liquid condensation pipe (15) is placed in the liquid condensation device in an S shape.
4. The boiler flue gas waste heat recovery and utilization system according to claim 1, characterized in that: HEPA filter screen (5) are vertically arranged in the gas filtering device on the right side of reaction tank (14), and are vertically arranged with multiple layers.
5. The boiler flue gas waste heat recovery and utilization system according to claim 1, characterized in that: the number of the spray heads (3) is multiple, and the spray heads are arranged above the gas reaction chamber (12) in a matrix manner.
6. The boiler flue gas waste heat recovery and utilization system according to claim 1, characterized in that: the middle part of the right side wall of the gas reaction chamber (12) is also provided with a fan (4).
7. The boiler flue gas waste heat recovery and utilization system according to claim 1, characterized in that: and heat insulation trays (10) are arranged below the reaction tank (14), the gas reaction chamber (12), the gas condensation pipe (8) and the liquid condensation pipe (15).
8. The boiler flue gas waste heat recovery and utilization system according to claim 1, characterized in that: heating installation pipeline (28) in radiator (27) are the S type, heating installation pipeline (28) are fixed in radiator (27) through heat insulating board (29), one side of radiator (27) is provided with hair-dryer (30), the opposite side intercommunication of radiator (27) has hot-blast tuber pipe (31), be provided with on the inner wall of radiator (27) heat-insulating reflection stratum (32).
CN202011236082.1A 2020-11-09 2020-11-09 Boiler flue gas waste heat recovery utilizes system Pending CN112370919A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011236082.1A CN112370919A (en) 2020-11-09 2020-11-09 Boiler flue gas waste heat recovery utilizes system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011236082.1A CN112370919A (en) 2020-11-09 2020-11-09 Boiler flue gas waste heat recovery utilizes system

Publications (1)

Publication Number Publication Date
CN112370919A true CN112370919A (en) 2021-02-19

Family

ID=74578464

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011236082.1A Pending CN112370919A (en) 2020-11-09 2020-11-09 Boiler flue gas waste heat recovery utilizes system

Country Status (1)

Country Link
CN (1) CN112370919A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116498987A (en) * 2023-06-28 2023-07-28 国电建三江前进生物质发电有限公司 Waste heat recovery device and method for biomass power generation

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207769439U (en) * 2017-12-29 2018-08-28 眉山市博眉启明星铝业有限公司 A kind of UTILIZATION OF VESIDUAL HEAT IN and flue gas purification system for aluminium smelting furnace
CN111336540A (en) * 2020-03-19 2020-06-26 江苏徐矿综合利用发电有限公司 Spraying direct contact type high-temperature flue gas waste heat recovery system and method
CN211174247U (en) * 2019-12-17 2020-08-04 甘肃众行新能源科技有限公司 Boiler flue gas utilization device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207769439U (en) * 2017-12-29 2018-08-28 眉山市博眉启明星铝业有限公司 A kind of UTILIZATION OF VESIDUAL HEAT IN and flue gas purification system for aluminium smelting furnace
CN211174247U (en) * 2019-12-17 2020-08-04 甘肃众行新能源科技有限公司 Boiler flue gas utilization device
CN111336540A (en) * 2020-03-19 2020-06-26 江苏徐矿综合利用发电有限公司 Spraying direct contact type high-temperature flue gas waste heat recovery system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116498987A (en) * 2023-06-28 2023-07-28 国电建三江前进生物质发电有限公司 Waste heat recovery device and method for biomass power generation
CN116498987B (en) * 2023-06-28 2023-12-22 国电建三江前进生物质发电有限公司 Waste heat recovery device and method for biomass power generation

Similar Documents

Publication Publication Date Title
US20100206248A1 (en) System for generating brown gas and uses thereof
CN1313944A (en) Evaporative and regenerative waste water incineration system
CN113351005A (en) Low-temperature flue gas dry desulfurization process for preheating desulfurizing agent
CN111423092A (en) Integrated sludge drying and incineration or carbonization treatment system
CN112370919A (en) Boiler flue gas waste heat recovery utilizes system
CN110594755A (en) Fly ash melting system for waste incineration plant based on pure oxygen combustion
CN106734103A (en) The magnetization decomposer and method of a kind of domestic rubbish disposal
CN107655010B (en) Industrial waste dry distillation gasification pyrolysis treatment system
CN201083392Y (en) Discharge gas or waste liquor combusting oven and combustion system comprising same
CN208253609U (en) A kind of printing machine VOCs concentration paddy electricity balance RTO processing system
CN112044105A (en) Device for evaporating by utilizing humidity difference of gas
CN210544082U (en) Heat exchange type waste heat recovery and waste gas purification device
CN216662490U (en) Closed combined type sludge phosphorus recovery system
CN217763471U (en) Volatile organic waste gas purifying and incinerating device
CN114110604B (en) Pyrolysis method based on full-automatic garbage pyrolysis system
JP2019015485A (en) Exhaust gas desulfurization method for pressurized fluidized furnace system and device for the same
CN114471136A (en) Coke oven coal charging and coke discharging dust removal flue gas desulfurization system
CN110822448A (en) Sludge blending combustion system for dry-type slag extractor
CN215114090U (en) Waste heat recovery water circulating system
CN212504544U (en) Integrated sludge drying and incineration or carbonization treatment system
CN100365351C (en) A heating apparatus using useless heat for reducing oil
CN203764065U (en) Small intelligent garbage disposal device applied to small towns
KR102322020B1 (en) Dust collection and waste heat recovery system of the incineration boiler
CN220250048U (en) Radioactive waste incineration flue gas treatment system
CN217287874U (en) Aluminum plate production is with environmental protection smelting furnace flue gas treatment mechanism

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210219