CN209431883U - A kind of dedicated cutting of preheating furnace igniting and blow device - Google Patents
A kind of dedicated cutting of preheating furnace igniting and blow device Download PDFInfo
- Publication number
- CN209431883U CN209431883U CN201822174230.6U CN201822174230U CN209431883U CN 209431883 U CN209431883 U CN 209431883U CN 201822174230 U CN201822174230 U CN 201822174230U CN 209431883 U CN209431883 U CN 209431883U
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- China
- Prior art keywords
- preheating furnace
- combustion chamber
- conduit
- fuel gas
- plc controller
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
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Abstract
A kind of dedicated cutting of preheating furnace igniting and blow device, including preheating furnace, combustion chamber, the combustion chamber is connected by flue collector with the preheating furnace, the combustion chamber is respectively arranged with flame detector, ventilation pipe, fuel gas conduit, scavenging conduit, solenoid electric valve is provided in the fuel gas conduit, the flame detector is connected by electrical control system with the solenoid electric valve, intake valve is provided on the scavenging conduit, the electrical control system and intake valve control connect, circulation pipe is also connected between the preheating furnace and the combustion chamber, circulating fan is additionally provided on the circulation pipe.After preheating furnace loss of ignition, the utility model can quickly cut off natural gas, and automatic blowing certain time, to reach safe operation, prevent remaining natural gas from firing.
Description
Technical field
The utility model relates to a kind of impregnation technology preheating furnace, in particular to a kind of preheating furnace igniting is dedicated to cut off and blows
Sweeping device.
Background technique
Dipping is an important link in carbon product production process, is had to the quality for improving graphite product critically important
Effect, and the preheating of product is to influence a key factor of impregnating effect, pre-heating system is by preheating furnace, combustion chamber, natural gas
System, air system composition, in preheating furnace ignition process, since event occur in natural gas and AIR Proportional unevenness, air system
The reasons such as barrier, may result in loss of ignition in combustion chamber, if natural gas is more than to fire the limit in combustion chamber, it will occur quick-fried
It is fried, serious accident is generated, there are security risks, meanwhile, compressed gas is commonly present a large amount of steam, impurity, directly to burning
Chamber interior, which carries out purging, will affect combustion chamber environment, reduce combustion chamber service life.
Utility model content
The utility model is intended to provide a kind of dedicated cutting of preheating furnace igniting and blow device, thus the energy in ignition failure
The supply of enough natural gases of cutting in time simultaneously purges combustion chamber.
Technical solution provided by the utility model is
A kind of dedicated cutting of preheating furnace igniting and blow device, including preheating furnace, combustion chamber, blending tank, the combustion chamber
It is connected by flue collector with the preheating furnace, it is characterised in that: flame detector, the burning are provided on the combustion chamber
Room is connected with the blending tank, ventilation pipe, fuel gas conduit, scavenging conduit is connected on the blending tank, on the ventilation pipe successively
It is provided with two-way blower fan, changes gas solenoid, fuel gas conduit solenoid valve is provided in the fuel gas conduit, is provided on the scavenging conduit
Scavenging conduit solenoid valve is additionally provided with PLC controller on the preheating furnace, and the flame detector is connected with the PLC controller
It connects, the PLC controller and the two-way blower fan change gas solenoid, fuel gas conduit solenoid valve, scavenging conduit solenoid valve control company
It connects；It is also connected with circulation pipe between the preheating furnace and the combustion chamber, is additionally provided with circulating fan on the circulation pipe.
Further, filter house is additionally provided on the scavenging conduit, the filter house passes through sealing flange and the purging
Pipe is connected.
Further, the left and right ends of the filter house are provided with cyclic annular spacing collar, are provided with strainer on the spacing collar,
The interior is filled with filter filling chock material.
Further, the PLC controller is connected with buzzer siren.
Utility model device is simple, and cost is relatively low；Generated safety is hidden when can effectively prevent loss of ignition simultaneously
Suffer from, prevents the case where exploding；Compressed gas for purging is pure, will not pollute to combustion chamber and preheating furnace.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of filter house.
Appended drawing reference: 1- preheating furnace, the combustion chamber 2-, 3- flame detector, 4- ventilation pipe, 41- change gas solenoid, 42-
Two-way blower fan, 5- fuel gas conduit, 51- fuel gas conduit solenoid valve, 6- scavenging conduit, 61- scavenging conduit solenoid valve, 62-filter houses, 621- are close
Envelope flange, 622- annular stop circle, 623- strainer, 624- filter filling chock material, 7- blending tank, 8- flue collector, 9- buzzer siren,
10- circulation pipe, 101- circulating fan, 11-PLC controller.
Specific embodiment
The technical solution of the utility model, but the protection scope of the utility model are described in further detail with reference to the accompanying drawing
It is not limited to following.
Referring to Fig. 1, Fig. 2, a kind of dedicated cutting of preheating furnace igniting and blow device, including preheating furnace 1, combustion chamber 2, mixing
Tank 7, the combustion chamber 2 are connected by flue collector 8 with the preheating furnace 1, are provided with flame detector 3 on the combustion chamber 2,
The combustion chamber 2 is connected with shown blending tank 7, and ventilation pipe 4, fuel gas conduit 5, scavenging conduit 6, institute are connected on the blending tank 7
It states and is disposed with two-way blower fan 42 on ventilation pipe 4, change gas solenoid 41, be provided with fuel gas conduit electromagnetism in the fuel gas conduit 5
Valve 51 is provided with scavenging conduit solenoid valve 61 on the scavenging conduit 6, PLC controller 11, the fire is additionally provided on the preheating furnace
Flame detector 3 is connected with the PLC controller 11, and the PLC controller 11 and the two-way blower fan 42 change gas solenoid
41, fuel gas conduit solenoid valve 51, the control connection of scavenging conduit solenoid valve 61；It is also connected between the preheating furnace 1 and the combustion chamber 2
Circulation pipe 10 is additionally provided with circulating fan 101 on the circulation pipe.
When combustion chamber normal ignition works, flue gas enters preheating furnace by flue collector 8, so that product thermally equivalent, flue gas
Combustion chamber can be recycled back to through circulation pipe 101 by circulating fan 101 to reuse, flame detector 3 detects that flame is believed at this time
Number, flame detector 3 will test signal and be transferred to PLC controller 11, and fuel gas conduit solenoid valve 51 keeps it turning on, takes a breath on pipe 4
Two-way blower fan 42 is internally blown, so that combustion gas is mixed in blending tank 7 with air, mixed gas passes through combustion chamber
2 reactions；Scavenging conduit solenoid valve 61 is in close state.
When combustion chamber ignition fails, flare up fire is not detected in flame detector 3, and detection signal is transferred to PLC controller
11, signal processing is carried out in PLC controller, PLC controller will control signal and be transferred to fuel gas conduit solenoid valve 51, scavenging conduit electricity
Magnet valve 61 changes gas solenoid 41, two-way blower fan 42 and buzzer siren 9, and fuel gas conduit solenoid valve 51 is closed at this time, scavenging conduit
Solenoid valve 61 is opened, and the unlatching of gas solenoid 41, the outside air draft of two-way blower fan 42 are changed；Compressed gas is by scavenging conduit 6 through filter house
621 are blown into blending tank, reduce the gas concentration in burn pot 7 by dilution, and gas is discharged by ventilation pipe 41.It prevents
It because gas content is excessively high in loss of ignition blending tank, fires in the combustion chamber, to effectively prevent indoor combustion of burning
Gas is because being more than that flammability limit causes danger due to detonation occurs.
Preferably, be additionally provided with filter house 62 on the scavenging conduit 6, the filter house 62 by sealing flange 621 with
The scavenging conduit 6 is connected, and 621 convenient disassembly of sealing flange can replace the filter house 62 in time.
Preferably, the left and right ends of the filter house 62 are provided with cyclic annular spacing collar 622, set on the spacing collar 622
It is equipped with strainer 623, filter filling chock material 624 is filled with inside the strainer 623, the spacing collar is fixed on filter house 62, thus
So that strainer 623 is fixed, the filter filling chock material 624 between the strainer 623 can by the steam contained in compressed air, impurity into
Row filtering.
Preferably, the PLC controller 11 is connected with buzzer siren 9, PLC controller is transmitted to buzzer siren 9
Signal is controlled, buzzer siren 9 makes a sound signal to remind staff.
Above are merely preferred embodiments of the utility model, it should be understood that the utility model is not limited to be draped over one's shoulders herein
The form of dew, should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and can
In contemplated scope described herein, modifications can be made through the above teachings or related fields of technology or knowledge.And those skilled in the art
The modifications and changes carried out do not depart from the spirit and scope of the utility model, then all should be in the appended claims for the utility model
Protection scope in.
Claims (4)
1. a kind of dedicated cutting of preheating furnace igniting and blow device, including preheating furnace (1), combustion chamber (2), blending tank (7), described
Combustion chamber (2) is connected by flue collector (8) with the preheating furnace (1), it is characterised in that: is provided on the combustion chamber (2)
Flame detector (3), the combustion chamber (2) are connected with shown blending tank (7), and ventilation pipe is connected on the blending tank (7)
(4), fuel gas conduit (5), scavenging conduit (6), the ventilation manage and are disposed with two-way blower fan (42) on (4), change gas solenoid
(41), it is provided with fuel gas conduit solenoid valve (51) on the fuel gas conduit (5), is provided with scavenging conduit solenoid valve on the scavenging conduit (6)
(61), it is additionally provided on the preheating furnace PLC controller (11), the flame detector (3) and the PLC controller (11) phase
Connection, the PLC controller (11) and the two-way blower fan (42) change gas solenoid (41), fuel gas conduit solenoid valve (51), blow
Sweep pipe solenoid valve (61) control connection；Circulation pipe (10), institute are also connected between the preheating furnace (1) and the combustion chamber (2)
It states and is additionally provided with circulating fan (101) on circulation pipe.
2. a kind of dedicated cutting of preheating furnace igniting according to claim 1 and blow device, it is characterised in that: the purging
It is additionally provided with filter house (62) on pipe (6), the filter house (62) is connected by sealing flange (621) with the scavenging conduit (6)
It connects.
3. a kind of dedicated cutting of preheating furnace igniting according to claim 2 and blow device, it is characterised in that: the filtering
The left and right ends in portion (62) are provided with cyclic annular spacing collar (622), are provided with strainer (623), the filter on the spacing collar (622)
Filled with filter filling chock material (624) inside net (623).
4. a kind of dedicated cutting of preheating furnace igniting according to claim 1 and blow device, it is characterised in that: the PLC
Controller (11) is connected with buzzer siren (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822174230.6U CN209431883U (en) | 2018-12-24 | 2018-12-24 | A kind of dedicated cutting of preheating furnace igniting and blow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822174230.6U CN209431883U (en) | 2018-12-24 | 2018-12-24 | A kind of dedicated cutting of preheating furnace igniting and blow device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209431883U true CN209431883U (en) | 2019-09-24 |
Family
ID=67973160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822174230.6U Active CN209431883U (en) | 2018-12-24 | 2018-12-24 | A kind of dedicated cutting of preheating furnace igniting and blow device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209431883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115468186A (en) * | 2022-08-31 | 2022-12-13 | 常德市三一机械有限公司 | Burner ignition equipment, ignition method and asphalt station |
-
2018
- 2018-12-24 CN CN201822174230.6U patent/CN209431883U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115468186A (en) * | 2022-08-31 | 2022-12-13 | 常德市三一机械有限公司 | Burner ignition equipment, ignition method and asphalt station |
| CN115468186B (en) * | 2022-08-31 | 2024-03-22 | 常德市三一机械有限公司 | Burner ignition device, ignition method and asphalt station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610000 No. 88, NanEr Road, Chengdu Economic and Technological Development Zone, Sichuan Province Patentee after: Chengdu Fangda Carbon Carbon Composite Co.,Ltd. Address before: 610000 No. 88, NanEr Road, Chengdu Economic and Technological Development Zone, Sichuan Province Patentee before: CHENGDU CARBON Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |