CN201935557U - Regenerative combustion furnace - Google Patents

Regenerative combustion furnace Download PDF

Info

Publication number
CN201935557U
CN201935557U CN201120068654XU CN201120068654U CN201935557U CN 201935557 U CN201935557 U CN 201935557U CN 201120068654X U CN201120068654X U CN 201120068654XU CN 201120068654 U CN201120068654 U CN 201120068654U CN 201935557 U CN201935557 U CN 201935557U
Authority
CN
China
Prior art keywords
heat
combustion furnace
air
regenerative
valve
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.)
Expired - Fee Related
Application number
CN201120068654XU
Other languages
Chinese (zh)
Inventor
马宗瑜
郭利亚
马文彬
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.)
JINSHA COMBUSTION TECHNIQUE Ltd
Original Assignee
JINSHA COMBUSTION TECHNIQUE 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 JINSHA COMBUSTION TECHNIQUE Ltd filed Critical JINSHA COMBUSTION TECHNIQUE Ltd
Priority to CN201120068654XU priority Critical patent/CN201935557U/en
Application granted granted Critical
Publication of CN201935557U publication Critical patent/CN201935557U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model relates to a combustion furnace for smelting and processing non-ferrous metals, in particular to a regenerative combustion furnace. The regenerative combustion furnace comprises a smelting boiler; a furnace body is sleeved outside the smelting boiler; a circulating air passage is arranged between the smelting boiler and the furnace body; regenerative burners are arranged at the outlet of the circulating air passage; the regenerative burners are connected with control valves; the regenerative burners are connected with a reversing valve; the reversing valve is connected with a blast fan and a draft fan; and the control valves are arranged on a fuel-conveying pipe. The regenerative combustion furnace is simple in structure; by arranging the regenerative burners at the outlet of the circulating air passage, fuel gas and air are mixed in the regenerative burners before entering the hearth, so that a combustion condition is met before the fuel gas and the air enter the hearth and the fuel gas and the air are mixed more sufficiently; the heat efficiency is high and the energy consumption is low; the afterheat inside the combustion furnace is fully recycled, along with high recycling efficiency; the energy is saved and the heat efficiency of hot-processing equipment is improved; the emission of harmful gases is reduced; and the combustion furnace is uniformly heated, so the service life of the combustion furnace is prolonged.

Description

The heat storage type combustion stove
Technical field
The utility model relates to a kind of combustion furnace that is used for non-ferrous metal metallurgy, processing, particularly a kind of heat storage type combustion stove.
Background technology
At present, in the smelting or machining process of non-ferrous metals such as tin, lead, aluminium, copper, all be to act as a fuel with fuel gas or flammable liquid, required heat energy is many, and burning time is long, not only inefficiency, also need a large amount of fuel, capital consumption is big, has the waste heat of a big extremely part all to emit in vain, and waste is serious.At present, though occurred " heat-storage type burner " on the market, but traditional heat-storage type burner all is that combustion gas is mixed after entering burner hearth with air, because extreme temperatures in the burner hearth, the mixed effect of the two is low, and it is insufficient to burn, and the thermal efficiency is low, the burnup height, the recovery utilization rate of waste heat is not obvious.
Summary of the invention
The utility model is at the deficiencies in the prior art, and a kind of thermal efficiency height, burnup is low, the waste heat recovery rate is high heat storage type combustion stove are provided.
Realize that the technical scheme that above-mentioned purpose adopts is: a kind of heat storage type combustion stove comprises and smelts pot that the outer cover of smelting pot is equipped with body of heater, is provided with circulation air path between described smelting pot and the body of heater; The exit of circulation air path is respectively arranged with heat-accumulating burner, and each heat-accumulating burner is connected with separately by-pass valve control respectively; Heat-accumulating burner all is connected with reversal valve, and reversal valve is connected with air-introduced machine with air blast; On the fuel tube that described by-pass valve control all is arranged on heat-accumulating burner is connected.
By-pass valve control comprises igniting motor-driven valve and fuel cutoff valve.
The pipeline that reversal valve is connected with air-introduced machine is provided with the exhaust gas temperature transmitter; The pipeline that reversal valve is connected with air blast is provided with volume damper.
Compared with prior art, the utility model is simple in structure, heat-accumulating burner is placed on the exit of circulation air path, combustion gas and air were just mixed in heat-accumulating burner before entering burner hearth, make it before entering burner hearth, just to have possessed burning condition, it is more abundant to make that like this fuel and air mix, thermal efficiency height, and burnup is low; The utility model is recycled the waste heat in the combustion furnace fully according to the principle of heat-accumulating burner, rate of recovery height, energy savings, the thermal efficiency of raising Thermal Equipment reduces discharge of harmful gases, make that combustion furnace body of heater heating temperature is even, prolong the service life of combustion furnace.
Description of drawings
Fig. 1 is the utility model overall structure schematic diagram.
Among the figure: smelt pot 1, body of heater 2, circulation air path 3,5, No. two igniting motor-driven valves 6 of 4, No. two burning torches of No. two heat-accumulating burners, 7, No. two fuel cutoff valves 8 of reversal valve, volume damper 9, fuel control valve 10, fuel tube 11, air blast 12, a fuel cutoff valve 13,14, numbers igniting motor-driven valves 15 of exhaust gas temperature transmitter, 16, numbers heat-accumulating burners 17 of a burning torch, air-introduced machine 18.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described further.
Referring to accompanying drawing 1, heat storage type combustion stove disclosed in the utility model is to be fuel with fuel gas or flammable liquid, is applied to the smelting of non-ferrous metals such as tin, lead, aluminium, copper, the firing equipment in the processing technology.In the present embodiment, heat-accumulating burner and by-pass valve control are two respectively, are oppositely arranged on two exits of circulation air path, and for stability and the accuracy of controlling, by-pass valve control can also be connected with the PLC controller by circuit respectively, realize Digital Control.
This heat storage type combustion stove comprises and smelts pot 1 that the outer cover of smelting pot 1 is equipped with body of heater 2, smelts between pot 1 and the body of heater 2 to be provided with circulation air path 3.The exit of circulation air path 3 is respectively arranged with heat-accumulating burner, comprise a heat-accumulating burner 17 and No. two heat-accumulating burners 4, also be respectively arranged with connected burning torch on the heat-accumulating burner, i.e. a burning torch 16 and No. two burning torches 5, each heat-accumulating burner are connected with separately by-pass valve control respectively.No. one heat-accumulating burner 17 all is connected with reversal valve 7 with No. two heat-accumulating burners 4, and reversal valve 7 is connected with air-introduced machine 18 with air blast 12.By-pass valve control all is provided with on the fuel tube 11 that is the heat-accumulating burner connection, and fuel tube 11 is divided into two branch roads: one is passed through the igniting motor-driven valve and directly is connected with heat-accumulating burner; A fuel control valve 10 is set on another branch road, is connected with heat-accumulating burner by after the fuel cutoff valve respectively by the pipeline after this fuel control valve 10.
By-pass valve control comprises igniting motor-driven valve and fuel cutoff valve, is divided into igniting motor-driven valve 15, fuel cutoff valve 13, No. two igniting motor-driven valves 6, No. two fuel cutoff valves 8 according to the difference of the heat-accumulating burner that is connected.
The pipeline that reversal valve 7 is connected with air-introduced machine 18 is provided with exhaust gas temperature transmitter 14; The pipeline that reversal valve 7 is connected with air blast 12 is provided with volume damper 9.
Operation principle of the present utility model is:
Metal that will melting places to be smelted in the pot 1, smelt pot 1 and be installed in body of heater 2 inside, a circulation air path 3 is set between the two, two heat-accumulating burners 4,17 are installed in the exit of body of heater 2 fronts, circulation air path 3, are formed fuel combustion control system and are realized the accumulation of heat commutation function by fuel cutoff valve 8,13, reversal valve 7, volume damper 9, fuel control valve 10, exhaust gas temperature transmitter 14, igniting motor-driven valve 6 and 15, burning torch 5 and 16.An igniting motor-driven valve 15 and a burning torch 16 are used for lighting heat-accumulating burner 17 No. one, ignite after this burner master flame, No. one fuel cutoff valve 13 is in opening, equally, No. two igniting motor-driven valves 6 and No. two burning torches 5 are used for lighting heat-accumulating burner 4 No. two, ignite after this burner master flame, No. two fuel cutoff valve 8 is in opening, fuel control valve 10 is regulated size according to the height of hot blast temperature, volume damper 9 and the fuel control valve 10 proportional aperture sizes of regulating, make fuel and air before entering body of heater inside, mix in heat-accumulating burner earlier, and then enter in the body of heater, this just makes fuel and air fully mix, improve combustion rate, energy savings.
This heat storage type combustion stove is in operation when heat-accumulating burner 17 burnings, and No. two heat-accumulating burner 4 is in smoke evacuation accumulation of heat state, and this moment, reversal valve 7 made a heat-accumulating burner 17 be in the air blast state, and No. two heat-accumulating burner 4 is in the air inducing state.Because the obvious heat of smoke when No. two heat-accumulating burner 4 has been saved heat-accumulating burner 17 operations, thereby can make exhaust gas temperature be reduced to the tolerance limit stage, simultaneously, when this burner transfers fired state to, air is converted to the air sensible heat by heat-accumulating burner with the heat of saving, be used to the air distribution that burns, improve the temperature of air distribution, reduced smoke evacuation thereby saved fuel.Otherwise, when exhaust gas temperature transmitter 14 reaches setting commutation temperature, reversal valve 7 automatic reverses, at this moment No. two heat-accumulating burners 4 are in fired state, No. one heat-accumulating burner 17 is in smoke evacuation accumulation of heat state, this moment, reversal valve 7 made No. two heat-accumulating burners 4 be in the air blast state, and No. one heat-accumulating burner 17 is in the air inducing state.Obvious heat of smoke during 4 operations of No. two heat-accumulating burners of a same heat-accumulating burner 17 savings is applied to heat-accumulating burner 17 again during fired state by medium air, carries out reversing combustion so back and forth.Owing to adopted heat storage technology to make this combustion furnace reach the dual purpose that the energy-conservation and limit of the limit reduces the NOx discharge capacity.Storage heater alternate combustion and smoke evacuation in the heat-accumulating burner of combustion furnace body of heater both sides, high velocity air make furnace gas produce the very strong effect of mixing.The major flow of gas stream in the stove to be from an effluent to opposite side, and change direction constantly, thus expanded the flame combustion zone, the border of flame almost expands to the border of burner hearth, makes in the stove temperature even.Prolonged the service life of heating furnace.

Claims (3)

1. a heat storage type combustion stove comprises and smelts pot, and the outer cover of smelting pot is equipped with body of heater, it is characterized in that, is provided with circulation air path between described smelting pot and the body of heater; The exit of circulation air path is respectively arranged with heat-accumulating burner, and each heat-accumulating burner is connected with separately by-pass valve control respectively; Heat-accumulating burner all is connected with reversal valve, and reversal valve is connected with air-introduced machine with air blast; On the fuel tube that described by-pass valve control all is arranged on heat-accumulating burner is connected.
2. heat storage type combustion stove according to claim 1 is characterized in that, described by-pass valve control comprises igniting motor-driven valve and fuel cutoff valve.
3. heat storage type combustion stove according to claim 1 is characterized in that the pipeline that described reversal valve is connected with air-introduced machine is provided with the exhaust gas temperature transmitter; The pipeline that reversal valve is connected with air blast is provided with volume damper.
CN201120068654XU 2011-03-16 2011-03-16 Regenerative combustion furnace Expired - Fee Related CN201935557U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120068654XU CN201935557U (en) 2011-03-16 2011-03-16 Regenerative combustion furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120068654XU CN201935557U (en) 2011-03-16 2011-03-16 Regenerative combustion furnace

Publications (1)

Publication Number Publication Date
CN201935557U true CN201935557U (en) 2011-08-17

Family

ID=44447075

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201120068654XU Expired - Fee Related CN201935557U (en) 2011-03-16 2011-03-16 Regenerative combustion furnace

Country Status (1)

Country Link
CN (1) CN201935557U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102620565A (en) * 2012-03-21 2012-08-01 深圳市汇能节能投资管理有限公司 High temperature air combustion apparatus of solid fuel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102620565A (en) * 2012-03-21 2012-08-01 深圳市汇能节能投资管理有限公司 High temperature air combustion apparatus of solid fuel

Similar Documents

Publication Publication Date Title
WO2015043296A1 (en) Progressive-switching regenerative combustion apparatus and control method therefor
CN201497346U (en) Energy-saving gas crucible aluminum-melting heat preserving furnace
CN105423750A (en) Aluminum melting furnace
CN202182624U (en) Energy-saving aluminium melting conjuncted furnace
CN101832708A (en) Heat storage immersed isothermal smelting furnace
CN101915502A (en) Method for regulating oxygen atmosphere in fuel oil (gas) reverberatory furnace by using recovered fume
CN204923856U (en) Natural gas crucible furnace to residual heat from flue gas utilization
CN103438478B (en) Aluminium melting furnace rotary heat accumulating type burner
CN103673592A (en) Method and system for parallel preheating of fuel gas and combustion air for sintering ignition furnace
CN202066349U (en) Reciprocating porous medium gas combustion metal smelting furnace
CN105222585A (en) The combustion-supporting energy-saving aluminium-melting furnace of small-sized flue gas
CN203432315U (en) Aluminum smelting furnace staged oxygen-deficient combustion device
CN102243016B (en) Reciprocating type porous medium gas burning metal smelting furnace
CN201935557U (en) Regenerative combustion furnace
CN101093140A (en) Heat storage type vertical metal magnesium reducing furnace
CN204943454U (en) The flue gas waste heat recovery of natural gas oxygen-enriched combustion furnace and recirculation thermoregulating system
CN101928796A (en) High wind temperature energy saving and emission reduction combined preheating method for blast furnace
CN201652345U (en) Heat accumulating type burner nozzle for metal melting furnace
CN209263628U (en) A kind of disperse formula renewable aluminum raw material accumulation of heat smelting furnace
CN205262179U (en) Aluminum smelting stove
CN103922561A (en) Energy-saving gas glass melting furnace
CN205208570U (en) Multi -functional nozzle
CN204213928U (en) A kind of helical structure self-preheating type burner
CN101020967A (en) Heat accumulating horizontal magnesium reducing furnace
CN202747782U (en) Filling ball heat accumulating type energy-saving aluminum melting furnace

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110817

Termination date: 20140316