CN207365054U - Sintering furnace combustion system - Google Patents
Sintering furnace combustion system Download PDFInfo
- Publication number
- CN207365054U CN207365054U CN201820186019.3U CN201820186019U CN207365054U CN 207365054 U CN207365054 U CN 207365054U CN 201820186019 U CN201820186019 U CN 201820186019U CN 207365054 U CN207365054 U CN 207365054U
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- combustion gas
- combustion
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- main line
- valve
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 46
- 238000005245 sintering Methods 0.000 title claims abstract description 31
- 239000000567 combustion gas Substances 0.000 claims abstract description 116
- 239000007789 gas Substances 0.000 claims abstract description 45
- 239000000446 fuel Substances 0.000 claims abstract description 27
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 238000004064 recycling Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 11
- 239000003034 coal gas Substances 0.000 claims description 9
- 230000008054 signal transmission Effects 0.000 claims description 7
- 238000009792 diffusion process Methods 0.000 claims description 6
- 230000004907 flux Effects 0.000 abstract description 6
- 239000002737 fuel gas Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- -1 is in charge of Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
Sintering furnace combustion system, including gas supply portion and combustion-supporting air feed portion；Gas supply portion includes combustion gas main line and combustion gas auxiliary piping in parallel；At least one combustion gas branch pipe, the end connection fuel burner nozzle of combustion gas branch pipe are set on combustion gas main line, fuel burner nozzle is distributed in each burner interval of sintering furnace；Solenoid valve and gas proportion regulating valve are set on combustion gas branch pipe；Burning, which is in charge of, sets outlet valve；There is combustion gas auxiliary branch line on combustion gas auxiliary piping；The end connection igniter of combustion gas auxiliary branch line；Combustion-supporting air feed portion includes main air blower and what is be connected with the air outlet of main air blower help wind main line, helps on wind main line and sets air manometer, help on wind main line set be connected with fuel burner nozzle help wind branch pipe, help on wind branch pipe and set combustion air ratio adjusting valve.Sintering furnace combustion system described in the utility model can lift the working environment of workers, reduce labor intensity, ensure the stability and uniformity of flux quality produced.
Description
Technical field
The utility model belongs to sintering furnace field of combustion technology, more particularly to a kind of sintering furnace combustion system.
Background technology
Solder flux needs to use sintering furnace when production, the safety in its ignition temperature and combustion process to sintering furnace
Property require it is higher, the change of ignition temperature can cause the unstable of flux quality.Most of solder flux production and application sintering at present
Stove combustion system is mostly that combustion gas directly is passed into burning burner, and the burning of sintering furnace is realized by the burner that burns, and is burnt in burning
Control valve is often only set between mouth and fuel gas pipeline, passes through the control for being turned on and off realizing gas supply of control valve
System, existing combustion system pipeline structure is fairly simple, but control is cumbersome, while combustion stability is relatively low, safety system
Number is low, inconvenient for operation, higher to the dependence of worker.
The content of the invention
The utility model aims to provide a kind of simple in structure, good sintering furnace combustion system of using effect.
In order to solve the above technical problems, the utility model provides following technical solution：Sintering furnace combustion system, bag
Include gas supply portion and combustion-supporting air feed portion；
Gas supply portion includes combustion gas main line and combustion gas auxiliary piping in parallel, and the first test branch is set on combustion gas main line
Pipe and second tests branch pipe, and gas pressure gage and gaseous-pressure low switch are set on the first test branch pipe, is set on the second test branch pipe
Gas pressure gage and the high switch of gaseous-pressure；
At least one combustion gas branch pipe is set on combustion gas main line, the end of combustion gas branch pipe is connected in parallel two burnings and is in charge of, two
The end that burning is in charge of is all connected with fuel burner nozzle, and fuel burner nozzle is distributed in each burner interval of sintering furnace；Set on combustion gas branch pipe
Solenoid valve and gas proportion regulating valve；Burning, which is in charge of, sets outlet valve；
Multiple combustion gas auxiliary branch lines are connected in parallel on combustion gas auxiliary piping, the both sides being in charge of of each burning are all provided with 1 combustion
Gas auxiliary branch line；The end connection igniter of combustion gas auxiliary branch line, each igniter are connected with the lighting-up tuyere of 1 fuel burner nozzle；
Combustion gas auxiliary branch line is equipped with combustion gas branch pipeline igniter solenoid valve and gas ignition branch pipeline ball valve；
Combustion-supporting air feed portion includes main air blower and what is be connected with the air outlet of main air blower help wind main line, helps on wind main line and sets
Air manometer, help on wind main line set be connected with fuel burner nozzle help wind branch pipe, help on wind branch pipe and set combustion air proportion adjustment
Valve.
Ignition transformer is connected with igniter, ignition electrode solenoid valve is connected between igniter and combustion gas auxiliary branch line,
Flame detector is set at ignition electrode solenoid valve.
Combustion gas main line end sets diffusion valve.
The output terminal connection PLC controller of flame detector, the work of PLC controller output signal control solenoid valve；
The aperture of PLC, controller output signal control gas proportion regulating valve and combustion air ratio adjusting valve.
Set temperature sensing head below fuel burner nozzle, temperature sensing head is by the signal output detected to PLC controller.
Further include host computer, PLC controller is by the signal transmission received to host computer.
Combustion-supporting air feed portion further includes accessory fan, and the air outlet of accessory fan by pilot solenoid valve and helps wind main line to connect
Connect；Help on wind main line and set gas flow sensor, gas flow sensor believes the wind pressure helped in wind main line detected
PLC controller number is transferred to, PLC controller output signal control pilot solenoid valve is turned on and off.
Combustion gas main line end connects combustion gas recycling can, and coal gas detection sensor, combustion gas recycling can are set in combustion gas recycling can
On set out tracheae, set out pneumoelectric magnet valve in air outlet pipe, coal gas detection sensor controls the combustion gas signal transmission detected to PLC
Device, PLC controller output signal control outlet solenoid valve are turned on and off.
Air inlet pipe is set on combustion gas recycling can, bellows, air inlet pipe and combustion gas master are set between air inlet pipe and combustion gas recycling can
Pass through clamp connection between pipeline.
By above technical scheme, the beneficial effects of the utility model are：Sintering furnace burning system described in the utility model
System can lift the working environment of workers, reduce labor strength, improve each silicon carbide control accuracy of sintering furnace, adjustment speed
Degree is fast, ensures stability, the uniformity of flux quality produced；Safety interlocking control can be realized during burning at the same time
System, ensure that the security in combustion process.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model principle figure.
Embodiment
Sintering furnace combustion system, as depicted in figs. 1 and 2, including gas supply portion and combustion-supporting air feed portion, gas supply portion
It you can well imagine with combustion-supporting air feed part and supply satisfactory combustion gas and combustion air, finally realize the flame stabilization that fuel burner nozzle 15 comes out,
Temperature meets the requirements, and finally realizes the temperature in each section of sintering furnace.
Gas supply portion includes main pipe rail 21 and the combustion gas main line 22 and combustion gas auxiliary tube that are parallel to 21 end of main pipe rail
Road 25, sets import total valve 1 on main pipe rail 21.
The first test branch pipe 23 and the second test branch pipe 24 are set on combustion gas main line 22.Combustion gas is set on first test branch pipe 23
Pressure gauge 2 and gaseous-pressure low switch 3, set the high switch 4 of gas pressure gage 2 and gaseous-pressure on the second test branch pipe 24；Combustion gas
Pressure gauge 2 can detect the pressure on combustion gas main line 22, and show on a display screen；And gaseous-pressure low switch 3 and combustion gas
The high switch 4 of pressure is the prior art, can be closed when gaseous-pressure is less than setting value or higher than setting value, ensure whole system
Stability.
At least one combustion gas branch pipe 26 is set on combustion gas main line 22, the end of combustion gas branch pipe 26 is connected in parallel two burnings point
Pipe 27, the end that two burnings are in charge of 27 connect 1 fuel burner nozzle 15 respectively；Fuel burner nozzle 15 is the prior art, fuel burner nozzle
Fuel gas inlet, combustion-supporting wind inlet and lighting-up tuyere are set on 15.The end that burning is in charge of 27 is connected with the fuel gas inlet of fuel burner nozzle 15,
So as to be in charge of 27 supplies for realizing 15 combustion gas of fuel burner nozzle by burning；Substantial combustion is in charge of 27 end and fuel burner nozzle 15
Outlet valve 9 is connected between fuel gas inlet, directly combustion process can be controlled by outlet valve 9, ensure that burned
Security in journey.
Solenoid valve 6 and gas proportion regulating valve 7 are set on combustion gas branch pipe 26, solenoid valve 6 can be realized on combustion gas branch pipe 26
Whether combustion gas, which enters combustion gas, is in charge of, and gas proportion regulating valve 7 then adjusts the throughput of combustion gas by adjusting aperture, and then is controlled
Combustion process processed.
Multiple combustion gas auxiliary branch lines 28 are connected in parallel on combustion gas auxiliary piping 25, the both sides that each burning is in charge of 27 are all provided with
1 combustion gas auxiliary branch line 28；The end connection igniter of combustion gas auxiliary branch line 28, each igniter and 1 fuel burner nozzle 15
Lighting-up tuyere connects；Combustion gas auxiliary branch line 28 is equipped with combustion gas branch pipeline igniter solenoid valve 10 and gas ignition branch pipeline ball valve 11；
By combustion gas branch pipeline igniter solenoid valve 10 and gas ignition branch pipeline ball valve 11 realize whether to igniter supply combustion gas control
System, combustion gas branch pipeline igniter solenoid valve 10 and gas ignition branch pipeline ball valve 11, which jointly control, ensure that in the igniter course of work
Stability.
Combustion-supporting air feed portion includes main air blower 16 and what is be connected with the air outlet of main air blower 16 help wind main line 32, helps wind to be responsible for
Air manometer 17 is set on road 32, air manometer 17 can detect and show the air pressure helped on wind main line 32, help wind
Set on main line 32 and help wind branch pipe 34 with what the combustion-supporting air port of fuel burner nozzle 15 was connected, helped on wind branch pipe 34 and set combustion air ratio tune
Valve 8 is saved, the combustion air volume in fuel burner nozzle 15 is adjusted into by combustion air ratio adjusting valve 8, with gas proportion regulating valve 7
Combustion process is controlled together.
In order to ensure that combustion-supporting air feed portion can be with the wind of supply pressure temperature, combustion-supporting air feed portion further includes accessory fan 29, auxiliary
Help the air outlet of wind turbine 29 by pilot solenoid valve 30 with helping wind main line 32 to be connected；Help on wind main line 32 and set gas flow biography
The wind pressure signal helped in wind main line 32 detected is transferred to PLC controller 18, PLC controls by sensor, gas flow sensor
The output of device 18 signal control accessory fan 29 and pilot solenoid valve 30 processed are turned on and off.Gas flow sensor will detect
The gas flow helped on wind main line 32 be transferred to PLC controller 18, PLC controller 18 sets the gas flow with combustion air
Fixed flow threshold is compared, and when less than flow threshold, PLC controller 18 exports signal and causes accessory fan 29 and auxiliary
Solenoid valve 30 is opened, so as to increase air output.
In order to realize the ignition control of igniter, ignition transformer 12 is connected with igniter, igniter is auxiliary with combustion gas
Help between branch pipe 28 and be connected with ignition electrode solenoid valve 6, set flame detector 13 at ignition electrode solenoid valve 6, flame monitor can be with
Realize.
To ensure automatically controlling for combustion process, the output terminal connection PLC controller 18 of flame detector 13, PLC controls
Device 18 exports the work of signal control solenoid valve 6；Meanwhile PLC controller 18 exports signal control gas proportion regulating valve 7 and helps
Fire the aperture of wind ratio adjusting valve 8.When work, when flame detector 13 detects the flame letter at ignition electrode solenoid valve 6
Number when, PLC controller 18 export signal solenoid valve 6 is opened so that combustion gas can enter the combustion of fuel burner nozzle 15
Gas import, realizes the sustained combustion of fuel burner nozzle 15.PLC controller 18 exports signal control combustion gas according to the flame temperature of setting
The aperture of ratio adjusting valve 7 and combustion air ratio adjusting valve 8, and then realize the control of combustion process.
Temperature sensing first 20 is set below fuel burner nozzle 15, temperature sensing first 20 controls the signal output detected to PLC
Device 18 processed, so that worker can learn the temperature at sintering flame.
For ease of remote monitoring, the system further includes host computer 19, and PLC controller 18 is by the signal transmission received to upper
Position machine 19.Wherein, the signal that PLC controller 18 receives includes the flare up fire that flame detector 13 detects, temperature sensing
First 20 temperature signals detected, while gaseous-pressure low switch 3 can also be connected with the output terminal of the high switch 4 of gaseous-pressure
Onto PLC controller 18, host computer 19 is transferred signals to by PLC controller 18, so that when gaseous-pressure is too low excessive
Worker is reminded by host computer 19.
In order to ensure do not have foreign gas in combustion gas main line 22 before work, diffusion valve 5 is set in 22 end of combustion gas main line.
Meanwhile the safety for the combustion gas diffused out after being opened for guarantee diffusion valve 5, explosion accident is avoided, is connected in 22 end of combustion gas main line
Combustion gas recycling can 33 is connect, coal gas detection sensor is set in combustion gas recycling can 33, sets out tracheae on combustion gas recycling can 33, in air outlet pipe
Set out pneumoelectric magnet valve 31, coal gas detection sensor is by the combustion gas signal transmission detected to PLC controller 18, PLC controller 18
Output signal control outlet solenoid valve 31 is turned on and off.Coal gas detection sensor can detect combustion gas signal, be existing
Technology, such as when combustion gas is natural gas, coal gas detection sensor selects natural gas detection sensor.
When work, when diffusion valve 5 is opened, the gas of combustion gas main line 22 enters combustion gas recycling can 33, avoids
The security incident of initiation is arbitrarily drifted in combustion gas.Coal gas detection sensor in combustion gas recycling can 33 is in combustion gas recycling can 33
Combustion gas is detected, and when not detecting combustion gas, PLC controller 18 exports signal and outlet solenoid valve 31 is opened, combustion gas
Gas in recycling can 33 comes out from air outlet pipe, and then the problem of avoid hypertonia in combustion gas recycling can 33；When detecting
During combustion gas, PLC controller 18 exports signal and outlet solenoid valve 31 is closed, and the gas in combustion gas recycling can 33 can not be from outlet
Pipe comes out, while PLC controller 18 puies forward worker the signal transmission received to host computer 19 by host computer 19
Wake up, prompt its process of diffusing to terminate, reduce the labor intensity of worker.
In order to easy to use, air inlet pipe is set on combustion gas recycling can 33, is set between air inlet pipe and combustion gas recycling can 33 flexible
Hose, passes through clamp connection between air inlet pipe and combustion gas main line 22., will when needing to diffuse combustion gas main line 22 before combustion
Combustion gas main line 22, by clamp connection, when not needed, both dismountings is realized by clip, use spirit with air inlet pipe
It is living.
Workflow：
Before system is normally put into, all valves on combustion gas main line 22, including diffusion valve 5 are opened, pipeline is carried out
Emptying must be until the end point detection of combustion gas main line 22 is to combustion gas signal.
Open gas ignition branch pipeline ball valve 11 and outlet valve 9；Ignition switch is rotated, opens igniting needle-valve 14 and combustion gas
Branch pipeline igniter solenoid valve 10 is opened, 12 starting ignition of ignition transformer；It is small that flame detector 13 monitors that igniting needle-valve 14 has
Fire, triggers solenoid valve 6, the aperture of gas proportion regulating valve 7 is adjusted according to design temperature according to PLC controller 18, according to combustion
The aperture of gas ratio adjusting valve 7 adjusts combustion air ratio adjusting valve 8, the flame size of fuel burner nozzle 15 is progressively adjusted most
It is good.
Sintering furnace combustion system described in the utility model can lift the working environment of workers, reduce labor intensity, improve
The precision of each silicon carbide control of sintering furnace, while temperature is regulated the speed soon, realizes safety interlocking control, ensures to produce
Flux quality stability and uniformity.
Claims (9)
1. sintering furnace combustion system, it is characterised in that：Including gas supply portion and combustion-supporting air feed portion；
Gas supply portion includes in parallel combustion gas main line and combustion gas auxiliary piping, set on combustion gas main line the first test branch pipe and
Second tests branch pipe, and gas pressure gage and gaseous-pressure low switch are set on the first test branch pipe, combustion gas is set on the second test branch pipe
Pressure gauge and the high switch of gaseous-pressure；
At least one combustion gas branch pipe is set on combustion gas main line, the end of combustion gas branch pipe is connected in parallel two burnings and is in charge of, two burnings
The end being in charge of is all connected with fuel burner nozzle, and fuel burner nozzle is distributed in each burner interval of sintering furnace；Electromagnetism is set on combustion gas branch pipe
Valve and gas proportion regulating valve；Burning, which is in charge of, sets outlet valve；
Multiple combustion gas auxiliary branch lines are connected in parallel on combustion gas auxiliary piping, it is auxiliary that the both sides being in charge of of each burning are all provided with 1 combustion gas
Help branch pipe；The end connection igniter of combustion gas auxiliary branch line, each igniter are connected with the lighting-up tuyere of 1 fuel burner nozzle；Combustion gas
Auxiliary branch line is equipped with combustion gas branch pipeline igniter solenoid valve and gas ignition branch pipeline ball valve；
Combustion-supporting air feed portion includes main air blower and what is be connected with the air outlet of main air blower help wind main line, helps on wind main line and sets air
Pressure gauge, help on wind main line set be connected with fuel burner nozzle help wind branch pipe, help on wind branch pipe and set combustion air ratio adjusting valve.
2. sintering furnace combustion system as claimed in claim 1, it is characterised in that：Ignition transformer is connected with igniter,
Ignition electrode solenoid valve is connected between igniter and combustion gas auxiliary branch line, flame detector is set at ignition electrode solenoid valve.
3. sintering furnace combustion system as claimed in claim 2, it is characterised in that：Combustion gas main line end sets diffusion valve.
4. sintering furnace combustion system as claimed in claim 3, it is characterised in that：The output terminal connection PLC of flame detector
Controller, the work of PLC controller output signal control solenoid valve；PLC, controller output signal control gas proportion regulating valve
With the aperture of combustion air ratio adjusting valve.
5. sintering furnace combustion system as claimed in claim 4, it is characterised in that：Temperature sensing head is set below fuel burner nozzle,
Temperature sensing head is by the signal output detected to PLC controller.
6. sintering furnace combustion system as claimed in claim 5, it is characterised in that：Host computer is further included, PLC controller will connect
Received signal transmission is to host computer.
7. sintering furnace combustion system as claimed in claim 6, it is characterised in that：Combustion-supporting air feed portion further includes accessory fan,
The air outlet of accessory fan is by pilot solenoid valve with helping wind main line to be connected；Help on wind main line and set gas flow sensor,
The wind pressure signal helped in wind main line detected is transferred to PLC controller, PLC controller output letter by gas flow sensor
Number control pilot solenoid valve is turned on and off.
8. the sintering furnace combustion system as described in claim 1 to 7 any one, it is characterised in that：Combustion gas main line end
Combustion gas recycling can is connected, coal gas detection sensor is set in combustion gas recycling can, tracheae is set out on combustion gas recycling can, is set out in air outlet pipe
The combustion gas signal transmission detected to PLC controller, PLC controller are exported signal control by pneumoelectric magnet valve, coal gas detection sensor
Make being turned on and off for pneumoelectric magnet valve.
9. sintering furnace combustion system as claimed in claim 8, it is characterised in that：Air inlet pipe, air inlet are set on combustion gas recycling can
Bellows is set between pipe and combustion gas recycling can, passes through clamp connection between air inlet pipe and combustion gas main line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820186019.3U CN207365054U (en) | 2018-02-02 | 2018-02-02 | Sintering furnace combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820186019.3U CN207365054U (en) | 2018-02-02 | 2018-02-02 | Sintering furnace combustion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207365054U true CN207365054U (en) | 2018-05-15 |
Family
ID=62344329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820186019.3U Active CN207365054U (en) | 2018-02-02 | 2018-02-02 | Sintering furnace combustion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207365054U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579045A (en) * | 2018-12-29 | 2019-04-05 | 佛山市旭灿科技有限公司 | A kind of burner valve block structure and its control method for aluminium melting furnace |
| CN109737090A (en) * | 2019-01-23 | 2019-05-10 | 北京智拓博科技有限公司 | Multi-machine parallel connection blower system and its control method |
| CN110594737A (en) * | 2019-09-30 | 2019-12-20 | 上海图博可特石油管道涂层有限公司 | Combustion system of thermal cleaning furnace |
| CN112377807A (en) * | 2020-11-04 | 2021-02-19 | 米怡霖 | Petrochemical gas supply device |
-
2018
- 2018-02-02 CN CN201820186019.3U patent/CN207365054U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579045A (en) * | 2018-12-29 | 2019-04-05 | 佛山市旭灿科技有限公司 | A kind of burner valve block structure and its control method for aluminium melting furnace |
| CN109737090A (en) * | 2019-01-23 | 2019-05-10 | 北京智拓博科技有限公司 | Multi-machine parallel connection blower system and its control method |
| CN110594737A (en) * | 2019-09-30 | 2019-12-20 | 上海图博可特石油管道涂层有限公司 | Combustion system of thermal cleaning furnace |
| CN112377807A (en) * | 2020-11-04 | 2021-02-19 | 米怡霖 | Petrochemical gas supply device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Combustion system for sintering furnace Granted publication date: 20180515 Pledgee: Zhengzhou Branch of Zhongyuan Bank Co.,Ltd. Pledgor: ZHENGZHOU FENGHUANG NEW MATERIAL TECHNOLOGY CO.,LTD. Registration number: Y2024980024282 |