CN203190412U - Side wall naked flame burner with automatic ignition and flame detecting device - Google Patents

Side wall naked flame burner with automatic ignition and flame detecting device Download PDF

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Publication number
CN203190412U
CN203190412U CN 201320151570 CN201320151570U CN203190412U CN 203190412 U CN203190412 U CN 203190412U CN 201320151570 CN201320151570 CN 201320151570 CN 201320151570 U CN201320151570 U CN 201320151570U CN 203190412 U CN203190412 U CN 203190412U
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CN
China
Prior art keywords
burner
air
gas
distributing disc
flame
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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
CN 201320151570
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Chinese (zh)
Inventor
周圣亮
徐少春
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Wisdri Wuhan Wis Industrial Furnace Co Ltd
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Wisdri Wuhan Wis Industrial Furnace 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.)
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Priority to CN 201320151570 priority Critical patent/CN203190412U/en
Application granted granted Critical
Publication of CN203190412U publication Critical patent/CN203190412U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a side wall naked flame burner with an automatic ignition and flame detecting device. The side wall naked flame burner is applied to a thermal treatment furnace and comprises a burner brick, a gas spray head, an air distributing disc, a gas core tube, a gas pore plate, a gas inlet tube, a burner casing, a cover plate, a burner installing square flange, an air inlet tube and a burner core body installing flange, wherein the burner brick is fixed at the tail end of the inside of the burner casing and provided with a straight-barrel-shaped spray nozzle, and the inner diameter of the outlet position is larger than the narrowest position of the inner diameter of a combustion chamber. The air distributing disc is sleeved on the gas spray head. A gas core tube channel, an electrode hole and a peephole are arranged on the burner core body installing flange, and an electrode penetrates a burner brick cavity through the electrode hole and is positioned on the air distributing disc. Hand valves and magnetic valves are arranged on a gas pipeline and an air pipeline. A pipeline system in front of the burner can be simplified, automatic ignition and flame detection of a main burner are achieved, and switch control for ensuring the accuracy of furnace temperature adjustment is achieved.

Description

A kind of sidewall naked light burner with automatic igniting and flame detecting device
Technical field
The utility model relates to metallurgical technology field, relates in particular to a kind of novel sidewall naked light burner on the heat-treatment furnace of being applied to automatic igniting and flame detecting device.
Background technology
Sidewall naked light burner is a kind of novel burner that grows up in the world after the seventies, and domestic is to begin the beginning of the eighties at the end of the seventies to test and be applied in the production.General burner be after air and the fuel mix in stove or combustion chambers burn, this type burner is that the limit is mixed to become and burnt.The flue gas flow rate of this type burner combustion chamber outlet is higher, causes strong mixing effect can strengthen temperature uniformity.
Sidewall naked light burner is applied to generally that furnace temperature is lower, temperature uniformity is higher, do not consider to be heated the special stove section in the continuous annealing furnace of workpiece oxidation, the sintering furnace section (DF-BS) of typical application scenario such as large-size horizontal continuous annealing furnace, its main application are to improve furnace temperature coating is bonded in belt steel surface securely.The general power of this burner is between 50 ~ 100kw.General sidewall naked light burner adopts the igniter burner igniting, and burner space gas pipeline is comparatively complicated; Main burner space gas pipeline is not established magnetic valve, and furnace temperature is regulated to adopt continuously and regulated, and can not realize pulse control, and dynamic response performance is relatively poor, and the furnace temperature degree of regulation is not enough.
Summary of the invention
Technical problem to be solved in the utility model is the deficiency at above-mentioned existence, provide a kind of simple in structure, simplify burner preceding pipeline system, realize main burner automatically igniting detect with flame, and realize the sidewall naked light burner of the accuracy that switch is controlled to guarantee that furnace temperature is regulated.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of sidewall naked light burner with automatic igniting and flame detecting device includes burner block, gas-jet, air-distributing disc, coal gas core pipe, coal gas orifice plate, gas entry pipe, burner shell, cover plate, burner installation method orchid, air intake pipe, burner core body mounting flange;
It is characterized in that: described burner block is built moulding by watering material feeding, is fixed on the anchor studs of burner shell inside end, and burner block is provided with the straight-tube shape spout, and its exit internal diameter is bigger than the narrowest place of combustion chamber internal diameter;
Described burner shell is equipped with the blue and air intake pipe of burner installation method outward, and the air intake pipe adopts seal weld to be connected in burner shell, and it is fixedly connected that air intake flange employing dual face seals is welded in the air intake pipe;
The end of described coal gas core pipe stretches in the burner block cavity, and gas-jet is installed, and the head end of coal gas core pipe is fixed on the cover plate by burner installation method orchid, and is communicated with the gas entry pipe by coal gas threeway and coal gas orifice plate;
Suit air-distributing disc on the described gas-jet, air-distributing disc is provided with the keeper electrode hole, and air-distributing disc outer ring sidewall is provided with a circle inclined hole, and inclined hole compiles towards the flame injection direction, and the circumferential edge of air-distributing disc is along being provided with a circle tilted slotted hole that makes gas form adherent eddy flow;
Described air intake pipe is provided with the first pressure valve, links to each other with burner shell square tube cavity, and the first pressure valve is connected with air gauge; The coal gas orifice plate is arranged at the gas entry place, and front and back are respectively equipped with the second and the 3rd pressure mouth, all are connected to air gauge;
Described burner core body mounting flange is provided with coal gas core tube passage, an electrode hole and a peep-hole, and electrode penetrates the burner block cavity by electrode hole, and end is positioned the keeper electrode hole on the air-distributing disc; Electrode is connected with high voltage package, and high voltage package is electrically connected with controller; The burner ground terminal is electrically connected with the controller ground line terminals; Gas piping is provided with electromagnetic valve, and the control end of electromagnetic valve is electrically connected with controller.
Described gas-jet is the cap-like structure of an end opening one end sealing, and openend is communicated with described coal gas core pipe, and blind end is provided with the matrix shade, is provided with opening through hole perpendicular to axial direction between shade and the described air-distributing disc.
Straight tube adopts threeway to be welded to connect behind described coal gas core pipe and the coal gas orifice plate, and adopts plug to block vacant end.
Be welded with electrode catheter on the described coal gas core pipe, with the strict concentric setting in the keeper electrode hole on the air-distributing disc, electrode played the guide securement effect.
Be equipped with the hand valve on described gaspipe line and the air pipe line.
Beneficial effect after the employing technique scheme is:
The utility model is simple in structure, and equipment is reliable and stable, has improved the flame export speed of original burner on sidewall, has improved the flow-disturbing intensity of flue gas, and the fire box temperature field uniformity improves; Electrode has automatic igniting and functions of flame detection, has realized switch control, provides basic condition for the combustion system of using sidewall naked light burner realizes pulse control; Unique air-distributing disc and gas-jet design can form stable rigidity fusiformis flame, and structure wants simple compact than common burner on sidewall, is convenient to process and assemble; The whole employing of burner modularized design is used and system maintenance is transformed very easy.The type burner power regulating range is big, and the burner of different size can be realized the heating efficiency that 20~600kw does not wait, and can be widely used in workpiece heating and the heat treatment field of burner hearth sidewall heat supply.
Description of drawings
Fig. 1 is the schematic diagram of the utility model example structure;
Fig. 2 is the left view of the utility model embodiment;
Fig. 3 is air air-distributing disc and the gas-jet parts assembling schematic diagram of the utility model embodiment;
Combustion system schematic diagram when Fig. 4 uses for the utility model embodiment;
Fig. 5 is the utility model embodiment control principle schematic diagram;
Description of symbols among the figure: 1-burner block, 2-burner shell square tube, 3-air-distributing disc, the 4-gas-jet, 5-burner installation method orchid, 6-coal gas core pipe, the 7-cover plate, 8-burner core body mounting flange, 9-air intake, the 10-gas entry, 11-coal gas orifice plate, 12-peep-hole, 13-electrode, the 14-transformer, the sidewall naked light burner of the automatic igniting of 15-band and flame detecting device, 16-body of heater surface, 17-gaspipe line, the 18-electromagnetic valve, 19-hand valve, 20-air pipe line, 401-keeper electrode hole, the 402-inclined hole, the 403-tilted slotted hole.
The specific embodiment
Below in conjunction with the specific embodiment, the utility model is further described:
As the sidewall naked light burner of Fig. 1 to the automatic igniting of band shown in Figure 5 and flame detecting device, it mainly comprises burner block 1, air intake 9, burner shell square tube 2, coal gas orifice plate 11, coal gas core pipe 6, air-distributing disc 3, gas-jet 4.
Burner block 1 is for having the square body of column type spout, and horizontal positioned is provided with the straight-tube shape spout, and the exit internal diameter is more bigger than the narrowest place of combustion chamber internal diameter.Its afterbody is fixing by anchor studs and burner shell square tube 2, and 1 dozen of burner block waters the material feeding moulding, 1350 ℃ of long-term serviceability temperatures, and high-temperature resistant grade can reach 1600 ℃; Burner block 1 outlet diameter and length are determined according to burner power and the length computation that forms flame: can determine the combustor exit size of burner block according to design power, determine burner block inner combustion chamber length according to the length of flame of technological requirement.
Burner installation method blue 5 welds on fixing and the burner shell square tube 2, by bolting and body of heater surface 16.Air intake 9 adopts on seal weld connection and the burner shell square tube 2, and the air intake pipe is provided with the first pressure mouth, links to each other with burner shell square tube cavity, and the first pressure valve is connected with air gauge.Burner shell square tube 2 head ends and cover plate 7 adopt continuous seal welding to fix, and burner core body mounting flange 8 adopts bolting with cover plate 7.
Coal gas core pipe 6 head ends by burner core body mounting flange 8 fixing with cover plate 7 on, and is communicated with gas entry 10 by coal gas threeway and coal gas orifice plate 11, end stretches in burner block 1 cavity back and welds with gas-jet 4 and fix.Suit air-distributing disc 3 on the gas-jet 4 can be regulated the position of air-distributing disc 4 in burner block 1 cavity by installation dimension.Air-distributing disc 4 adopts numerical control machine-shaping, sidewall is processed with a circle inclined hole 402, and inclined hole 402 is assembled towards side coal gas core pipe end direction, and air-distributing disc 4 circumferential edge are along processing one circle tilted slotted hole 403, tilted slotted hole 403 oblique identical, thus make the gas that passes through form adherent eddy flow.Air by air-distributing disc 4 divides three grades, and primary air forms high-speed jet by inclined hole 402 ejections on the air-distributing disc 4, and the coal gas of gas-jet 3 ejections is broken up, and accelerates space gas and mixes; Auxiliary air forms the adherent eddy flow of high speed by tilted slotted hole 403 ejections on air-distributing disc 4 circumference, and the condition of necessity is provided for the formation of fusiformis flame; A small amount of tertiary air mainly works to repair flame profile by the gap annular ejection of 2 in air-distributing disc 4 and burner conduit.
Gas-jet 4 adopts numerical control machine-shaping, its side has a circle annular distance, the coal gas of ejection is broken up mixing by the high-speed jet that air-distributing disc 3 sprays, and fully burning under the air swirl effect in 402 holes and 403 holes is by the tubular spout formation fusiformis flame of burner block 1.
Electrode 13 penetrates by the electrode mounting hole on the burner core body mounting flange 8, successively by pressing the position of strict fitted position control electrode 13 ends after gas piping housing 8, burner shell square tube 2, burner block 1 and the air-distributing disc 4, with the sparking effect of assurance with gas-jet 4.After the smooth combustion, controller loads 220V voltage at same electrode 10, between mode detecting electrode head by ion detection and the gas-jet 4 whether the retention flame is arranged, if any the retention flame, then can form a closed circuit, return the detection current value of about 4 ~ 40 μ A sizes simultaneously to controller, realize the automatic measuring ability of flame.Electrode 13 is electrically connected with high voltage package, and high voltage package is electrically connected with controller, and the control end of the electromagnetic valve 18 of air duct and gas piping is electrically connected with controller.
Implementation process of the present utility model is: sidewall naked light burner 15 is built by laying bricks or stones or is added in addition on the body of heater surface 16 that mounting flange is fixed in firing equipment by burner block 1 and furnace wall integral body, be equipped with hand valve 19 on gaspipe line 17 and the air pipe line 20, can adjust space gas flow and the proportioning of single burner by hand valve 19, to reach more satisfactory combustion efficiency.Earlier air hand valve 19 is transferred to correct position before the burner igniting, when controller is received ignition order, the discharge of control high voltage package makes electrode 13 sparkings, electromagnetic valve 18 on the gaspipe line 17 is opened simultaneously, coal gas feeds burner, with the combustion air mixed combustion that feeds burner always, return the detection electric current by electrode 13 behind the flame stabilization.When burner is received flame-out signal, close the electromagnetic valve 18 on the gaspipe line 17, fray-out of flame, combustion air continues to feed the effect of playing the cooling protection burner.Sidewall naked light burner 15 flame holdings of the automatic igniting of this band and flame detecting device are good, and Flame Temperature Distribution is even, NO 1, NO 2The generation discharge capacity is few, and the workpiece heating is fast, can significantly reduce the oxidation that is heated workpiece, and can realize switch control, the heat treatment field that can be widely used in carrying out pulse-combustion control.
Protection domain of the present utility model is not limited to the above embodiments, and obviously, those skilled in the art can carry out various changes and distortion and not break away from scope and spirit of the present utility model the utility model.If these changes and distortion belong in the scope of the utility model claim and equivalent technologies thereof, then intention of the present utility model also comprises these changes and is out of shape interior.

Claims (7)

1. the automatic sidewall naked light burner of igniting and flame detecting device of a band, include burner block, gas-jet, air-distributing disc, coal gas core pipe, coal gas orifice plate, gas entry pipe, burner shell, cover plate, burner installation method orchid, air intake pipe, burner core body mounting flange, it is characterized in that: described burner block is fixed in the burner shell inside end, burner block is provided with the straight-tube shape spout, and its exit internal diameter is greater than the narrowest place of combustion chamber internal diameter; Suit air-distributing disc on the described gas-jet, air-distributing disc is provided with the keeper electrode hole, and air-distributing disc outer ring sidewall is provided with a circle inclined hole, and inclined hole converges towards the flame injection direction, and the circumferential edge of air-distributing disc is along being provided with a circle tilted slotted hole that makes gas form adherent eddy flow; Described burner core body mounting flange is provided with coal gas core tube passage, electrode hole and peep-hole, and electrode penetrates the burner block cavity by electrode hole, and is positioned the keeper electrode hole on the air-distributing disc; Be equipped with hand valve and electromagnetic valve at gaspipe line and air pipe line.
2. the automatic sidewall naked light burner of igniting and flame detecting device of band as claimed in claim 1, it is characterized in that: described burner shell is equipped with the blue and air intake pipe of burner installation method outward, and air intake pipe employing seal weld is connected in burner shell.
3. the automatic sidewall naked light burner of igniting and flame detecting device of band as claimed in claim 1, it is characterized in that: the end of described coal gas core pipe stretches in the burner block cavity, and gas-jet is installed, the head end of coal gas core pipe is fixed on the cover plate by burner installation method orchid, and is communicated with the gas entry pipe by coal gas threeway and coal gas orifice plate.
4. the automatic sidewall naked light burner of igniting and flame detecting device of band as claimed in claim 1, it is characterized in that: described air intake pipe is provided with the first pressure valve, links to each other with burner shell square tube cavity, and the first pressure valve is connected with air gauge; The coal gas orifice plate is arranged at the gas entry place, and front and back are respectively equipped with the second and the 3rd pressure mouth, all are connected to air gauge.
5. the automatic sidewall naked light burner of igniting and flame detecting device of band as claimed in claim 1, it is characterized in that: described electrode is connected with high voltage package, and high voltage package is electrically connected with controller; The control end of described electromagnetic valve is electrically connected with controller.
6. the automatic sidewall naked light burner of igniting and flame detecting device of band as claimed in claim 1, it is characterized in that: described gas-jet is the cap-like structure of an end opening one end sealing, openend is communicated with described coal gas core pipe, blind end is provided with the matrix shade, is provided with opening through hole perpendicular to axial direction between shade and the described air-distributing disc.
7. the automatic sidewall naked light burner of igniting and flame detecting device of band as claimed in claim 1, it is characterized in that: described coal gas core pipe is provided with the electrode catheter that electrode is played the guide securement effect, the concentric setting in keeper electrode hole on electrode catheter and the air-distributing disc.
CN 201320151570 2013-03-29 2013-03-29 Side wall naked flame burner with automatic ignition and flame detecting device Expired - Fee Related CN203190412U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320151570 CN203190412U (en) 2013-03-29 2013-03-29 Side wall naked flame burner with automatic ignition and flame detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320151570 CN203190412U (en) 2013-03-29 2013-03-29 Side wall naked flame burner with automatic ignition and flame detecting device

Publications (1)

Publication Number Publication Date
CN203190412U true CN203190412U (en) 2013-09-11

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Application Number Title Priority Date Filing Date
CN 201320151570 Expired - Fee Related CN203190412U (en) 2013-03-29 2013-03-29 Side wall naked flame burner with automatic ignition and flame detecting device

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103175204A (en) * 2013-03-29 2013-06-26 中冶南方(武汉)威仕工业炉有限公司 Side wall open fire nozzle with auto-ignition and flame detection device
CN106439907A (en) * 2016-08-19 2017-02-22 史雪玲 Adjustment-free downward pressing type lighter gas outlet valve
CN106545855A (en) * 2015-09-17 2017-03-29 宝山钢铁股份有限公司 Igniter burner and its ignition system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103175204A (en) * 2013-03-29 2013-06-26 中冶南方(武汉)威仕工业炉有限公司 Side wall open fire nozzle with auto-ignition and flame detection device
CN106545855A (en) * 2015-09-17 2017-03-29 宝山钢铁股份有限公司 Igniter burner and its ignition system
CN106439907A (en) * 2016-08-19 2017-02-22 史雪玲 Adjustment-free downward pressing type lighter gas outlet valve

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130911

Termination date: 20150329

EXPY Termination of patent right or utility model