CN112066385A - Flue gas circulation oxygen supply system of multi-roller type domestic garbage pyrolysis gas device - Google Patents

Flue gas circulation oxygen supply system of multi-roller type domestic garbage pyrolysis gas device Download PDF

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Publication number
CN112066385A
CN112066385A CN202011101055.3A CN202011101055A CN112066385A CN 112066385 A CN112066385 A CN 112066385A CN 202011101055 A CN202011101055 A CN 202011101055A CN 112066385 A CN112066385 A CN 112066385A
Authority
CN
China
Prior art keywords
oxygen supply
hot
combustion chamber
flue gas
air
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
CN202011101055.3A
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Chinese (zh)
Inventor
张宝家
徐志伟
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.)
Jiangsu Zhongtai Environmental Engineering Co ltd
Original Assignee
Jiangsu Zhongtai Environmental Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Zhongtai Environmental Engineering Co ltd filed Critical Jiangsu Zhongtai Environmental Engineering Co ltd
Priority to CN202011101055.3A priority Critical patent/CN112066385A/en
Publication of CN112066385A publication Critical patent/CN112066385A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F23G5/0276—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using direct heating
    • 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
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
    • 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
    • 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
    • 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
    • F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
    • F23L7/007—Supplying oxygen or oxygen-enriched air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
    • F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Incineration Of Waste (AREA)

Abstract

The invention relates to the technical field of garbage treatment equipment, and discloses a flue gas circulation oxygen supply system of a multi-roller type domestic garbage pyrolysis gas device, which comprises an oxygen supply fan, a hot blast stove, a combustion chamber and a drying mechanism, wherein an air inlet pipeline of the oxygen supply fan is connected into a garbage room to suck out air in the garbage room, an air outlet pipeline of the oxygen supply fan is connected to an air inlet of the hot blast stove, an air outlet of the hot blast stove is respectively connected to the drying mechanism and the combustion chamber in a gasification assembly chamber through exhaust pipes, the drying mechanism is positioned above the combustion chamber, the drying mechanism is communicated to the combustion chamber, the exhaust pipes of the hot blast stove are connected to the drying mechanism in multiple ways, the oxygen supply fan outputs high-pressure air to the hot blast stove, the high-pressure air is heated into hot air by the hot blast stove, the hot air is sent to the. The invention provides oxygen supply for each garbage treatment device and keeps reasonable heat management during work.

Description

Flue gas circulation oxygen supply system of multi-roller type domestic garbage pyrolysis gas device
Technical Field
The invention relates to the technical field of garbage treatment equipment, in particular to a flue gas circulation oxygen supply system of a multi-roller type domestic garbage pyrolysis gas device.
Background
The household garbage pyrolysis gasification device is a device for treating household garbage by utilizing high-temperature oxidation and burning the household garbage at high temperature to convert combustible waste in the household garbage into carbon dioxide, water and the like. The ash and slag after incineration are only less than 10% of the original volume of the domestic garbage, thereby greatly reducing the amount of solid waste. When pyrolysis gasification is carried out, sufficient combustion and further flue gas treatment must be considered to reduce the harmful substances generated by incineration from entering the atmosphere, and meanwhile, effective resource utilization of the heat generated by incineration is also considered to improve the energy-saving and environment-friendly performance of the system.
Disclosure of Invention
The invention aims to solve the problems and provides a flue gas circulation oxygen supply system of a multi-roller type domestic garbage pyrolysis gas device, which is used for supplying oxygen to various garbage treatment equipment and keeping reasonable heat management during work.
The technical scheme adopted by the invention is as follows:
the utility model provides a multiroll domestic waste pyrolysis gas device flue gas circulation oxygen system, characterized by, including oxygen suppliment fan, hot-blast furnace, combustion chamber and baker mechanism, the air-supply line of oxygen suppliment fan is connected to in the garbage chamber, with the air suction in the garbage chamber, the air-out pipeline of oxygen suppliment fan is connected to the air inlet of hot-blast furnace, and the gas vent of hot-blast furnace is connected to baker mechanism and combustion chamber in the gasification total room respectively through the blast pipe, baker mechanism is located the combustion chamber top, and baker mechanism communicates to the combustion chamber, and the blast pipe of hot-blast furnace falls into the multichannel and is connected to baker mechanism, oxygen suppliment fan output high-pressure air to hot-blast furnace becomes hot-blast, and hot-blast is sent to baker mechanism and combustion chamber through the blast.
Furthermore, the flue gas outlet of the combustion chamber is connected to the heat exchange cabin of the hot blast stove through a heat exchanger, the heat exchange cabin of the hot blast stove is connected with the air outlet of an oxygen supply fan, and the air outlet of the oxygen supply fan is connected with a plurality of heat exchange pipelines.
Furthermore, an air outlet cabin of the hot blast stove is connected with a venturi and a cloth bag dust removal mechanism through a pipeline.
Furthermore, an air outlet cabin of the hot blast stove is connected to a spray tower through a Venturi and a cloth bag dust removal mechanism, and an air inlet on the spray tower is positioned at the lower part of the spray tower.
Furthermore, the oxygen supply fan is positioned on one side of the multi-roller type domestic garbage pyrolysis gas device.
Further, the hot-blast furnace includes from last air intake cabin, the heat transfer cabin of intercommunication extremely down and the cabin of giving vent to anger, set up the oxygen supply flange pipe on the heat transfer cabin, the outside of oxygen supply flange pipe sets up oxygen and imports and exports, the oxygen supply fan is connected to the air intake cabin, baker mechanism and combustion chamber are connected to the cabin of giving vent to anger.
Furthermore, the heat exchange cabins are multiple and are arranged and communicated up and down.
Further, a plurality of oxygen supply holes are formed in the top of the shell of the baking furnace mechanism, the oxygen supply holes are connected to an exhaust pipe of the hot blast stove, the exhaust pipe of the hot blast stove is divided into 4-8 branch pipes, and each branch pipe is connected to one oxygen supply hole.
Further, the upper end of the oven mechanism is a garbage inlet, the lower part of the oven mechanism is a combustion chamber, and the shell of the combustion chamber is provided with an oxygen supply hole communicated to the oven mechanism.
Furthermore, the flue gas outlet on the combustion chamber is positioned at the side edge of the combustion chamber shell, and a porous plate is arranged on the flue gas outlet.
The invention has the beneficial effects that:
(1) reasonable oxygen supply is provided for the garbage treatment equipment, and the garbage is more thoroughly burnt;
(2) reasonable heat management improves the garbage treatment efficiency;
(3) the heat of the flue gas is fully utilized.
Drawings
FIG. 1 is a schematic diagram of the structure of one perspective of the present invention;
FIG. 2 is a schematic structural view from another perspective of the present invention;
FIG. 3 is a schematic view showing the internal structure of the toaster mechanism 4;
FIG. 4 is a schematic view showing the internal structure of the combustion chamber;
FIG. 5 is a schematic structural view of the hot blast stove.
The reference numbers in the drawings are respectively:
1. an oxygen supply fan; 2, a hot blast stove;
3. a combustion chamber; 4, a furnace drying mechanism;
5. an oxygen supply hole; 6, a garbage channel;
7. a combustion chamber oxygen supply hole; 8, a flue gas outlet;
9. a pipeline; 10, a spray tower;
11. an air outlet cabin; 12, a heat exchange cabin;
13. an air intake compartment; a multi-well plate.
Detailed Description
The following describes in detail a specific embodiment of the flue gas circulation oxygen supply system of the multi-roller domestic garbage pyrolysis gas device in accordance with the present invention with reference to the accompanying drawings.
The multi-roller domestic garbage pyrolysis gas device is used for drying and incinerating garbage, and the whole flow management from oxygen supply to harmless exhaust is realized by utilizing the reasonable arrangement of oxygen supply circulation and flue gas circulation.
Referring to fig. 1 and 2, the flue gas circulation oxygen system includes oxygen supply fan 1, hot-blast furnace 2, combustion chamber 3 and baker mechanism 4, the air inlet pipeline of oxygen supply fan 1 is connected to in the rubbish room, with the air suction in the rubbish room, the air-out pipeline of oxygen supply fan 1 is connected to the air inlet of hot-blast furnace 2, the gas vent of hot-blast furnace 2 is connected to baker mechanism 4 through the blast pipe, baker mechanism 4 is located combustion chamber 3 top, baker mechanism 4 communicates to combustion chamber 3, the blast pipe of hot-blast furnace 2 falls into the multichannel and is connected to baker mechanism 4.
The oxygen supply fan 1 outputs high-pressure air to the hot blast stove 2, the high-pressure air is heated by the hot blast stove 2 to form hot air, the hot air is sent to the baking furnace mechanism 4 and the combustion chamber 3 through the exhaust pipe, and the hot air provides heating for the baking furnace mechanism 4 and provides oxygen for the combustion chamber 3.
Referring to fig. 3, a plurality of oxygen supply holes 5 are arranged on the top of the shell of the baking mechanism 4, the oxygen supply holes 5 are connected to the exhaust pipe of the hot blast stove 2, the exhaust pipe of the hot blast stove 2 is divided into 4-8 branch pipes, and each branch pipe is connected to one oxygen supply hole 5. When the smoke quantity in the baking furnace mechanism 4 is too large, the oxygen supply hole 5 at the top of the baking furnace mechanism becomes an air suction hole, and the smoke in the baking furnace mechanism 4 is pumped out and is directly sent to the combustion chamber 3 to be combusted after being mixed with oxygen.
Referring to fig. 4, the flue gas outlet 8 of the combustion chamber 3 is connected to the heat exchange chamber 12 of the hot blast stove 2, and the heat exchange chamber 12 of the hot blast stove 2 exchanges heat with the outlet air of the oxygen supply fan 1. The flue gas outlet 8 on the combustion chamber 3 is positioned at the side of the shell of the combustion chamber 3, and a porous plate 14 is arranged on the flue gas outlet 8. The casing of combustion chamber 3 is hollow structure, sets up refuse channel 6 on the casing, and the passageway below is the combustion chamber, and refuse channel 6's lower extreme communicates to the combustion chamber, and the combustion chamber is arranged to the upper end direction from refuse channel 6's lower extreme, sets up a plurality of combustion chamber on the casing on the wall of casing and supplies oxygen hole 7, and combustion chamber supplies oxygen hole 7 to communicate to baker mechanism 4. A slag discharging mechanism is arranged below the combustion cavity, and a flue gas outlet 8 is arranged on the combustion cavity.
The oxygen supply fan 1 is positioned at one side of the multi-roller type domestic garbage pyrolysis gas device. When the house structure is installed outside the pyrolysis gas device, an air inlet is reserved for the oxygen supply fan 1. The pipeline 9 of the oxygen supply fan 1 connected to the hot blast stove 2 is a cloth bag dust removal pipe.
In addition, the oxygen supply fan 1 is also connected to the spray tower 10, and an air inlet on the spray tower 10 is located at the lower part of the spray tower 10.
Referring to the attached drawing 5, the hot blast stove 2 comprises an air inlet cabin 13, a heat exchange cabin 12 and an air outlet cabin 11 which are communicated from bottom to top, an oxygen supply flange pipe is arranged on the heat exchange cabin 12, an oxygen inlet and an oxygen outlet are arranged on the outer side of the oxygen supply flange pipe, an oxygen supply fan 1 is connected to the air inlet cabin 13, and a furnace baking mechanism 4 is connected to the air outlet cabin 11. The heat exchange chambers 12 are arranged and communicated with each other.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a multi-roll formula domestic waste pyrolysis gas device flue gas circulation oxygen system which characterized in that: including oxygen suppliment fan, hot-blast furnace, combustion chamber and baker mechanism, the air-supply line connection of oxygen suppliment fan is to the garbage chamber in, with the air suction in the garbage chamber, the air-out pipe connection of oxygen suppliment fan is to the air inlet of hot-blast furnace, and the gas vent of hot-blast furnace is connected to baker mechanism and the combustion chamber in the gasification master batch respectively through the blast pipe, baker mechanism is located the combustion chamber top, and baker mechanism communicates to the combustion chamber, and the blast pipe of hot-blast furnace falls into the multichannel and is connected to baker mechanism, oxygen suppliment fan output high-pressure air to hot-blast furnace becomes hot-blastly through the heating of hot-blast furnace, and hot-blastly send to baker mechanism and combustion.
2. The multi-roll domestic waste pyrolysis gas apparatus flue gas circulation oxygen system of claim 1, characterized in that: the flue gas outlet of the combustion chamber is connected to the heat exchange cabin of the hot blast stove through a heat exchanger, the heat exchange cabin of the hot blast stove is connected with the air outlet of an oxygen supply fan, and the air outlet of the oxygen supply fan is connected with a heat exchange multi-pipeline.
3. The multi-roll domestic waste pyrolysis gas apparatus flue gas circulation oxygen system of claim 1, characterized in that: and the air outlet cabin of the hot blast stove is connected with the Venturi and the cloth bag dust removal mechanism through a pipeline.
4. The multi-roll domestic waste pyrolysis gas apparatus flue gas circulation oxygen system of claim 3, characterized in that: the air outlet cabin of the hot blast stove is connected to the spray tower through a Venturi and a cloth bag dust removal mechanism, and the air inlet on the spray tower is positioned at the lower part of the spray tower.
5. The multi-roll domestic waste pyrolysis gas apparatus flue gas circulation oxygen system of any one of claims 1 to 4, characterized in that: the oxygen supply fan is positioned on one side of the multi-roller type domestic garbage pyrolysis gas device.
6. The multi-roll domestic waste pyrolysis gas apparatus flue gas circulation oxygen system of any one of claims 1 to 4, characterized in that: the hot-blast furnace includes from last air intake chamber, the heat transfer cabin of intercommunication extremely down and the cabin of giving vent to anger, set up the oxygen supply flange pipe on the heat transfer cabin, the outside of oxygen supply flange pipe sets up oxygen and imports and exports, the oxygen supply fan is connected to the air intake chamber, baker mechanism and combustion chamber are connected to the cabin of giving vent to anger.
7. The multi-roll domestic waste pyrolysis gas apparatus flue gas circulation oxygen system of claim 6, characterized in that: the heat exchange cabins are arranged and communicated up and down.
8. The multi-roll domestic waste pyrolysis gas apparatus flue gas circulation oxygen system of any one of claims 1 to 4, characterized in that: the top of the shell of the baking furnace mechanism is provided with a plurality of oxygen supply holes, the oxygen supply holes are connected to an exhaust pipe of the hot blast stove, the exhaust pipe of the hot blast stove is divided into 4-8 branch pipes, and each branch pipe is connected to one oxygen supply hole.
9. The multi-roll domestic waste pyrolysis gas apparatus flue gas circulation oxygen system of any one of claims 1 to 4, characterized in that: the upper end of the oven mechanism is a garbage inlet, the lower part of the oven mechanism is a combustion chamber, and the shell of the combustion chamber is provided with an oxygen supply hole communicated to the oven mechanism.
10. The multi-roll domestic waste pyrolysis gas apparatus flue gas circulation oxygen system of claim 2, characterized in that: the flue gas outlet on the combustion chamber is positioned on the side edge of the combustion chamber shell, and a porous plate is arranged on the flue gas outlet.
CN202011101055.3A 2020-10-15 2020-10-15 Flue gas circulation oxygen supply system of multi-roller type domestic garbage pyrolysis gas device Pending CN112066385A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011101055.3A CN112066385A (en) 2020-10-15 2020-10-15 Flue gas circulation oxygen supply system of multi-roller type domestic garbage pyrolysis gas device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011101055.3A CN112066385A (en) 2020-10-15 2020-10-15 Flue gas circulation oxygen supply system of multi-roller type domestic garbage pyrolysis gas device

Publications (1)

Publication Number Publication Date
CN112066385A true CN112066385A (en) 2020-12-11

Family

ID=73655588

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011101055.3A Pending CN112066385A (en) 2020-10-15 2020-10-15 Flue gas circulation oxygen supply system of multi-roller type domestic garbage pyrolysis gas device

Country Status (1)

Country Link
CN (1) CN112066385A (en)

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