CN201297650Y - Autoignition device of electrothermal coke oven irradiation - Google Patents
Autoignition device of electrothermal coke oven irradiation Download PDFInfo
- Publication number
- CN201297650Y CN201297650Y CNU2008201925480U CN200820192548U CN201297650Y CN 201297650 Y CN201297650 Y CN 201297650Y CN U2008201925480 U CNU2008201925480 U CN U2008201925480U CN 200820192548 U CN200820192548 U CN 200820192548U CN 201297650 Y CN201297650 Y CN 201297650Y
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- coke oven
- electrothermal
- transformer
- controller
- heating wire
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Abstract
The utility model relates to an autoignition device of electrothermal coke oven irradiation raw gas, overcoming the defects that the insulation of a discharge electrode is reduced, and the electrode can not arc discharge so as to cause ignition failure due to severe environment of the top of a coke oven irradiation pipe, accumulated ash and rainwater on a porcelain insulator of a high-voltage electrode, and the like. The autoignition device of electrothermal coke oven irradiation comprises a bracket 2 connected to an irradiation tube 1, a porcelain tube 3 on the bracket 2, heater strips 4 in the porcelain tube 3, a rainproof cover 5 on the bracket 2 and a transformer 6 connected with the heater strips 4, and is characterized in that the heater strips 4 are connected with a controller 8 through a lead 7; the transformer 6 is in a control type and is connected in the controller 8; and a clearance between every two layers of heat strips is less than 1 mm. The utility model has the advantages of stable work performance, strong environment adaptive capacity, simple structure, convenient manufacture and installation, low cost of the whole device and convenient maintenance.
Description
Technical field
The utility model relates to the ignition device of gas, specifically more belongs to the automatic ignition device of electrothermal coke oven emission raw coke oven gas.
Background technology
In the coking by coke oven process, can produce a large amount of raw coke oven gas, after reclaiming by blower system, produce various chemical products by chemical production equipment.Because a variety of causes causes the raw coke oven gas generating capacity to increase or because of air blast breaks down, all can cause diffusing in a large number of raw coke oven gas.Not only cause the certain economic loss to enterprise, more seriously contaminated environment influences the healthy of people.Therefore, domestic coking enterprise has all been installed raw coke oven gas at coke oven emission pipe top and has been diffused igniter.This device generally adopts by high pressure generator and carries out electrion, at first lights scrubbed gas, and the flare by scrubbed gas goes igniting crude gases again.Because the environment very severe at coke oven emission pipe top, a large amount of floating dust accumulate on the porcelain vase of high-field electrode, add reasons such as rainwater, cause the high-voltage discharging electrode insulation to descend, electrode can not arcing discharge, thereby cause the generation of the great environmental protection accident that loss of ignition, raw coke oven gas diffuse in a large number.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of novel automatic ignition device that diffuses that can adapt to coke oven furnace roof adverse circumstances is provided.
Realize the technical measures of above-mentioned purpose:
Electrothermal coke oven emission automatic ignition device comprises heating wire in the support that is connected on the exhaust stack, the porcelain tube on the support, the porcelain tube, the rain cover on the support, the transformer that is connected with heating wire, and it is: be connected with controller with heating wire by lead; Transformer is the control formula, and is connected in the controller; Gap between electric wire layer and the layer is less than 1 millimeter.
It is: controller by the shell of sealing, cased air switch, current transformer, two contactors, auxiliary reclay, pressure switch, the time relays, be contained in case surface: start button, stop button, ammeter and signal lamp are formed.
It is: the secondary voltage of control formula transformer is 36V and two electric pressures of 24V.
The utility model is to adopt a section of heating wire to be processed into spirality to be encased in the magnetic tube, by regulating the heating wire both end voltage, make the temperature that heating wire is assembled in the magnetic tube reach 800 degree Celsius (the raw coke oven gas ignition temperature is 650 degree Celsius), realize the coke oven emission automatic firing function with this technological means.Because the heating wire both end voltage is lower than 40 volts, so can adapt to the adverse circumstances at coke oven emission pipe top fully.Its characteristics stable work in work, adaptive capacity to environment is strong; Simple in structure, be convenient to fabrication and installation: complete machine is with low cost, and is easy to maintenance.
Description of drawings
Fig. 1 is the structural representation of electrothermal coke oven emission automatic ignition device
Fig. 2 is Fig. 1 controller internal structure schematic diagram
Fig. 3 is the circuit theory diagrams of lighting a fire automatically
The specific embodiment
Electrothermal coke oven emission automatic ignition device comprises heating wire 4 in the support 2 that is connected on the exhaust stack 1, the porcelain tube 3 on the support 2, the porcelain tube 3, the rain cover 5 on the support 2, the transformer 6 that is connected with heating wire 4.It is: will be by the shell 9 of sealing, be contained in air switch 10, current transformer 11, contactor 12 and 13, auxiliary reclay 14, pressure switch 15, the time relay 16 in the shell 9, be contained in controller 7 that start button 17, stop button 18, ammeter 19 and signal lamp 20 on 9 on the shell form and pass through lead 8 and be connected with heating wire 4, and will control formula transformer 6 simultaneously and be connected in the controller 8; Gap between 4 layers of heating wire and the layer is 0.5 millimeter/0.65 millimeter/0.85 millimeter.
The operation principle of automatic igniting: when raw coke oven gas pressure in the coke oven surpasses 300Pa, coke oven emission pipe 1 begins to diffuse raw coke oven gas, this moment pressure switch 15 junction closures, auxiliary reclay 14 and the time relay 16 are simultaneously, auxiliary reclay 14 normal opened contact closures, contactor 12 gets electric, and control formula transformer 6 secondary side 36V voltages give heating wire 4 power supplies by the main contacts of contactor 12, make porcelain tube 3 interior temperature in 2 times in second, be elevated to 800 degree Celsius rapidly, raw coke oven gas is lighted; Simultaneously, the auxiliary contact of often opening of contactor 12 is lighted signal lamp 20, shows that heating wire 4 is in the course of work that heats up.After 2 seconds, the time-delay break of the time relay 16 cuts off the power supply of contactor 12, and contactor 12 discharges, and its main contacts and Chang Kai auxiliary contact disconnect, and signal lamp 20 extinguishes; Meanwhile, the normally closed auxiliary contact closure of contactor 12, contactor 13, control formula transformer 6 secondary side 24V voltages continue to heating wire 4 power supplies by the main contacts of contactor 13, temperature maintenance in the porcelain tube 3 is spent Celsius 800, the auxiliary contact of often opening of contactor 13 is lighted signal lamp 20, shows that heating wire 4 is operated in the duty of holding temperature.The effect of current transformer 11 and ammeter 19 is to show the whole electric current in the ignition process that diffuses.Diffuse after ignition operation finishes, press stop button 18 and get final product.When adopting manual ignition, only need press starting button 17, the course of work is just finished according to the program of automatic igniting.
Claims (3)
1, electrothermal coke oven emission automatic ignition device, comprise heating wire (4) in the support (2) that is connected on the exhaust stack (1), the porcelain tube (3) on the support (2), the porcelain tube (3), the rain cover (5) on the support (2), the transformer (6) that is connected with heating wire (4), it is characterized in that: be connected with controller (8) by lead (7) with heating wire (4); Transformer (6) is the control formula, and is connected in the controller (8); Gap between heating wire (4) layer and the layer is less than 1 millimeter.
2, electrothermal coke oven emission automatic ignition device as claimed in claim 1 is characterized in that: controller (8) by the shell (9) of sealing, be contained in air switch (10), current transformer (11), contactor (12,13), auxiliary reclay (14), pressure switch (15), the time relay (16) in the shell (9), be contained in shell (9) surface: start button (17), stop button (18), ammeter (19) and signal lamp (20) are formed.
3, electrothermal coke oven emission automatic ignition device as claimed in claim 1 is characterized in that: the secondary voltage of control formula transformer (6) is 36V and two electric pressures of 24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201925480U CN201297650Y (en) | 2008-11-18 | 2008-11-18 | Autoignition device of electrothermal coke oven irradiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201925480U CN201297650Y (en) | 2008-11-18 | 2008-11-18 | Autoignition device of electrothermal coke oven irradiation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201297650Y true CN201297650Y (en) | 2009-08-26 |
Family
ID=41043632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201925480U Expired - Lifetime CN201297650Y (en) | 2008-11-18 | 2008-11-18 | Autoignition device of electrothermal coke oven irradiation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201297650Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103254938A (en) * | 2013-05-07 | 2013-08-21 | 嵊州市科灵机械有限公司 | Ignition device of fire-spraying opening of gasifier and treatment process thereof |
| CN104566450A (en) * | 2014-11-28 | 2015-04-29 | 武汉钢铁(集团)公司 | Ignition device |
-
2008
- 2008-11-18 CN CNU2008201925480U patent/CN201297650Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103254938A (en) * | 2013-05-07 | 2013-08-21 | 嵊州市科灵机械有限公司 | Ignition device of fire-spraying opening of gasifier and treatment process thereof |
| CN104566450A (en) * | 2014-11-28 | 2015-04-29 | 武汉钢铁(集团)公司 | Ignition device |
| CN104566450B (en) * | 2014-11-28 | 2017-07-04 | 武汉钢铁(集团)公司 | A kind of igniter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170720 Address after: 430083 Qingshan District, Hubei, Wuhan factory before the door No. 2 Patentee after: Wuhan iron and Steel Company Limited Address before: 430083 Qingshan District, Hubei, Wuhan Patentee before: Wuhan Iron & Steel (Group) Corp. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090826 |
|
| CX01 | Expiry of patent term |