CN203703981U - Fuel gas machinery premixing burning system - Google Patents
Fuel gas machinery premixing burning system Download PDFInfo
- Publication number
- CN203703981U CN203703981U CN201320845310.4U CN201320845310U CN203703981U CN 203703981 U CN203703981 U CN 203703981U CN 201320845310 U CN201320845310 U CN 201320845310U CN 203703981 U CN203703981 U CN 203703981U
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- China
- Prior art keywords
- pipeline
- gaseous mixture
- fuel gas
- gas
- valve
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Regulation And Control Of Combustion (AREA)
Abstract
The utility model discloses a fuel gas machinery premixing burning system, comprising a hearth. The fuel gas machinery premixing burning system also comprises an air pipeline, a fuel gas pipeline and a mixed gas pipeline; the fuel gas pipeline and the air pipeline are communicated with the hearth by the mixed gas pipeline after passing by a fan; a flameless burner is arranged at the end part, communicated with the hearth, of the mixed gas pipeline; a zero pressure valve is arranged on the fuel gas pipeline; a thermal value analyzer is arranged on the mixed gas pipeline; a fuel gas solenoid valve is arranged in front of the zero pressure valve. The zero pressure valve performs comparison by a preset proportion and the mixed gas proportion obtained by the thermal value analyzer on the mixed gas pipeline, and can timely automatically adjust the air-fuel ratio data according to a comparison result, so the aim of controlling the burning atmosphere by precisely adjusting the air-fuel ratio is achieved.
Description
Technical field
The utility model relates to a kind of combustor.
Background technology
The fuel gas buring control section complex structure of prior art, primary structure is burning control section combustion air, combustion gas governor motion complexity, combustion gas mixed in when burning and combustion air, premix mechanism bulky complex in relatively large combustion system, is mainly manifested in that combustion atmosphere control is inaccurate, coefficient of excess air regulates inaccuracy, the incomplete fuel consumption of fuel combustion is large, combustion atmosphere fluctuation is large and finished product rate is low, production cost is high, manual adjustment labour intensity is large.Therefore be necessary above-mentioned defect to improve.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of gas machinery premix combustion systems.
The utility model is achieved by the following technical solution: a kind of gas machinery premix combustion systems, comprise burner hearth, also comprise air pipe line, fuel gas pipeline and gaseous mixture pipeline, described fuel gas pipeline and described air pipe line are communicated with burner hearth by described blender pipeline after blower fan, on the end being communicated with burner hearth at gaseous mixture pipeline, flameless burner is set, zero-pressure valve is set on described fuel gas pipeline, on described gaseous mixture pipeline, calorific value analyzer is set, before described zero-pressure valve, also has gas electromagnetic valve.The gaseous mixture ratio that described zero-pressure valve obtains by predefined ratio and the calorific value analyzer sample on gaseous mixture pipeline contrasts in real time, and according to comparing result, air/fuel ratio data is adjusted in time automatically, to reach the object of fine adjustment air-fuel ratio control combustion atmosphere.
In technique scheme, the flow control valve by the control of PLC controller is set on described gaseous mixture pipeline, set temperature sensor on described burner hearth, described temperature sensor is connected with described PLC controller.Described temperature sensor detects fire box temperature information, temperature information is delivered to PLC controller and process output control signal to Flow-rate adjustment valve regulation mixed gas flow, thereby reach the object of regulating stove bore temperature.
In technique scheme, on described air pipe line, air cleaner is set, described air cleaner filters the impurity in combustion air, sucks in proportion blower fan simultaneously with combustion gas.
In technique scheme, on described gaseous mixture pipeline, pressure sensor is set, described pressure sensor detects mixed pressure force signal, and pressure signal is delivered to PLC controller and process and control the described blower fan of driving.
In technique scheme, described fuel gas pipeline and gaseous mixture pipeline also have respectively automatic drain valve, and while normally operation, automatic drain valve is closed, and open rapidly the combustion gas in emptying fuel gas pipeline and gaseous mixture pipeline when abnormal.
In technique scheme, the ignition controller of gaseous mixture magnetic valve and the described gaseous mixture magnetic valve of control is set on described gaseous mixture pipeline, on described flameless burner, be provided with for detection of the catch fire UV ultraviolet ray probe of state of flameless burner igniting, described ignition controller is connected with described UV ultraviolet ray probe.The igniting that detects flameless burner by the UV ultraviolet ray probe state that catches fire, and give the igniting of ignition controller control gaseous mixture magnetic valve air feed by status information, in the time of abnormal misfire, close rapidly gaseous mixture magnetic valve, close gaseous mixture.
The utlity model has following beneficial effect: the utility model can adapt to the industrial combustion system requirements that relatively large higher standard requires, owing to being flameless combustion gaseous mixture, combustion velocity is fast, and the calorific intensity of combustion space (referring to the heat that lm3 combustion space gives out due to the burning of fuel in burner hearth) height, during than flaming combustion large 100 ~ 1000 times more than, so just can reach completing combustion with less air coefficient, and theoretical temperature combustion is higher.Can accurately control coefficient of excess air, fuel combustion is fully, temperature control accurately can reach ± and 1 ℃, atmosphere control is stable, energy consumption is low.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present utility model.
The specific embodiment
Below the utility model is described in further detail, attached number in the figure a represents fuel gas inlet, and label b represents combustion air entrance, and label W represents PLC controller, and solid line in the accompanying drawings represents that pipeline connects, dotted line representative electrical connection.Referring to Fig. 1, a kind of gas machinery premix combustion systems, comprise burner hearth 1, also comprise air pipe line 2, fuel gas pipeline 3 and gaseous mixture pipeline 4, described fuel gas pipeline 3 and described air pipe line 2 are communicated with burner hearth 1 by described blender pipeline 4 after blower fan 5, on the end being communicated with burner hearth 1 at gaseous mixture pipeline 4, flameless burner 6 is set, on described gaseous mixture pipeline 4, flow control valve 7 is set, set temperature sensor 10 on described burner hearth 1, described temperature sensor 10 is connected with described PLC controller.Described temperature sensor 10 detects fire box temperature information, temperature information is delivered to PLC controller processing output control signal and regulate mixed gas flow to flow control valve 7, thereby reach the object of regulating stove bore temperature.
On described fuel gas pipeline 3, zero-pressure valve 30 is set, described zero-pressure valve 30 is preset ratio and is passed through the control of PLC controller by debugging, on described gaseous mixture pipeline 4, calorific value analyzer 40 is set, described calorific value analyzer 40 is connected with PLC controller, described zero-pressure valve 30 samples by predefined ratio and the calorific value analyzer on gaseous mixture pipeline 4 40 the gaseous mixture ratio obtaining and contrasts in real time, and according to comparing result, air/fuel ratio data is adjusted in time automatically, to reach the object of fine adjustment air-fuel ratio control combustion atmosphere.
Before described zero-pressure valve 30, also has gas electromagnetic valve 31, gas electromagnetic valve 31 is by the control of PLC controller, described gas electromagnetic valve 31 (arranges pressure sensor everywhere at pipeline extremely at pipeline equipment, pressure sensor and PLC electrical connection, changing and carry out judgment device abnormal conditions by pressure) time closes, and cuts off combustion gas.Described pipeline equipment abnormal information is by PLC collection and treatment.
On described air pipe line 2, air cleaner 20 is set, described air cleaner 20 filters the impurity in combustion air, sucks in proportion blower fan simultaneously with combustion gas.
On above-mentioned gaseous mixture pipeline 4, pressure sensor 41 is set, described pressure sensor 41 detects mixed pressure force signal, and pressure signal is delivered to PLC controller and process output control signal to transducer drive blower fan 5, to reach the object of stablizing mixture pressure.
Described fuel gas pipeline 3 and gaseous mixture pipeline 4 also have respectively automatic drain valve 32,42, and while normally operation, automatic drain valve is closed, and open rapidly the combustion gas in emptying fuel gas pipeline and gaseous mixture pipeline when abnormal.In described flameless burner 6 front positions, spark arrester 8 is set, the tempering causing in order to intercept flameless burner abnormal misfire, protection tube pipeline equipment.
The ignition controller 9 of gaseous mixture magnetic valve 43 and the described gaseous mixture magnetic valve 43 of control is also set on described gaseous mixture pipeline 4, on described flameless burner 6, be provided with for detection of flameless burner light a fire/the catch fire UV ultraviolet ray probe (accompanying drawing does not mark) of state, also comprise ignition controller 9, described ignition controller 9 is connected with described UV ultraviolet ray probe, the igniting that detects flameless burner by the UV ultraviolet ray probe state that catches fire, and give ignition controller 9 by status information and control the 43 air feed igniting of gaseous mixture magnetic valve, in the time of abnormal misfire, close rapidly gaseous mixture magnetic valve 43, close gaseous mixture.Described flameless combustion is combustion mixture fully, does not substantially produce flame or flame very short when burning, burner hearth goods is not impacted, and burning outburst calorific intensity is high.
The utility model combustion gas is through gas filter, gas electromagnetic valve, gas stabilized-pressure valve (accompanying drawing does not mark), gas meter (accompanying drawing does not mark), enter the fuel gas inlet of combustion gas zero-pressure valve, combustion air is through air intake, air cleaner, sucked by blower fan, carry out Forced Mixing with combustion gas in proportion, gaseous mixture is through calorific value analyzer, automatic drain valve, divide and deliver to each combustion zone, every region is through flow control valve, spark arrester, divide again and deliver to each flameless burner and carry out flameless combustion, the temperature control precision at control point, each combustion zone can be in ± 1 ℃, combustion field can be met relatively large, the burning process requirement of higher standard.Force combustion air and combustion gas fully to mix by blower fan, and heating-value determination instrument is installed on gaseous mixture pipeline, the calorific value of METHOD FOR CONTINUOUS DETERMINATION gaseous mixture, in the time that calorific value fluctuates, provide signal, by zero-pressure valve self-correction air/fuel gas proportioning, make coefficient of excess air relatively stable, efficiency of combustion is higher.
The utility model can adapt to the industrial combustion system requirements that relatively large higher standard requires, owing to being flameless combustion gaseous mixture, combustion velocity is fast, and the calorific intensity of combustion space (referring to the heat that lm3 combustion space gives out due to the burning of fuel in burner hearth) height, during than flaming combustion large 100 ~ 1000 times more than, so just can reach completing combustion with less air coefficient, and theoretical temperature combustion is higher.Can accurately control coefficient of excess air, fuel combustion is fully, temperature control accurately can reach ± and 1 ℃, atmosphere control is stable, energy consumption is low.
Claims (6)
1. a gas machinery premix combustion systems, comprise burner hearth (1), also comprise air pipe line (2), fuel gas pipeline (3) and gaseous mixture pipeline (4), described fuel gas pipeline (3) and described air pipe line (2) are communicated with described burner hearth (1) by described blender pipeline (4) after blower fan (5) mixes, on the end being communicated with described burner hearth (1) at gaseous mixture pipeline (4), flameless burner (6) is set, it is characterized in that: zero-pressure valve (30) is set on described fuel gas pipeline (3), calorific value analyzer (40) is set on described gaseous mixture pipeline (4), at the front gas electromagnetic valve (31) in addition of described zero-pressure valve (30).
2. a kind of gas machinery premix combustion systems as claimed in claim 1, it is characterized in that: at the upper flow control valve (7) arranging by the control of PLC controller of described gaseous mixture pipeline (4), at the upper set temperature sensor (10) of described burner hearth (1), described temperature sensor (10) is connected with described PLC controller.
3. a kind of gas machinery premix combustion systems as claimed in claim 1, is characterized in that: air cleaner (20) is set on described air pipe line (2).
4. a kind of gas machinery premix combustion systems as claimed in claim 1, it is characterized in that: pressure sensor (41) is set on described gaseous mixture pipeline (4), described pressure sensor (41) detects mixed pressure force signal, and pressure signal is delivered to PLC controller and process and control the described blower fan of driving (5).
5. a kind of gas machinery premix combustion systems as claimed in claim 1, is characterized in that: described fuel gas pipeline (3) and described gaseous mixture pipeline (4) are also respectively arranged with automatic drain valve (32,42).
6. a kind of gas machinery premix combustion systems as claimed in claim 1, it is characterized in that: the ignition controller (9) that gaseous mixture magnetic valve (43) and the described gaseous mixture magnetic valve of control (43) are set on described gaseous mixture pipeline (4), on described flameless burner (6), be provided with for detection of the catch fire UV ultraviolet ray probe of state of flameless burner igniting, described ignition controller (9) and described UV ultraviolet ray are popped one's head in and are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320845310.4U CN203703981U (en) | 2013-12-20 | 2013-12-20 | Fuel gas machinery premixing burning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320845310.4U CN203703981U (en) | 2013-12-20 | 2013-12-20 | Fuel gas machinery premixing burning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703981U true CN203703981U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320845310.4U Expired - Fee Related CN203703981U (en) | 2013-12-20 | 2013-12-20 | Fuel gas machinery premixing burning system |
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| CN (1) | CN203703981U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114953A (en) * | 2015-09-22 | 2015-12-02 | 安徽华菱西厨装备股份有限公司 | Full-mixed fuel gas combusting heater and control method thereof |
| CN105157019A (en) * | 2015-09-11 | 2015-12-16 | 中南大学 | Raw coke oven gas flame furnace kiln system |
| CN106152167A (en) * | 2015-04-02 | 2016-11-23 | 王毅君 | A kind of oxygen-enriched combustion-supporting application system |
| CN108386837A (en) * | 2018-04-28 | 2018-08-10 | 佛山市科皓燃烧设备制造有限公司 | A kind of flameless gas burner control system, nonflame low NOx burner and its control method |
| CN109708137A (en) * | 2019-01-29 | 2019-05-03 | 北京云水浩瑞环境科技有限公司 | Utilize the system and method for pyrolysis gas |
-
2013
- 2013-12-20 CN CN201320845310.4U patent/CN203703981U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152167A (en) * | 2015-04-02 | 2016-11-23 | 王毅君 | A kind of oxygen-enriched combustion-supporting application system |
| CN105157019A (en) * | 2015-09-11 | 2015-12-16 | 中南大学 | Raw coke oven gas flame furnace kiln system |
| CN105114953A (en) * | 2015-09-22 | 2015-12-02 | 安徽华菱西厨装备股份有限公司 | Full-mixed fuel gas combusting heater and control method thereof |
| CN108386837A (en) * | 2018-04-28 | 2018-08-10 | 佛山市科皓燃烧设备制造有限公司 | A kind of flameless gas burner control system, nonflame low NOx burner and its control method |
| CN108386837B (en) * | 2018-04-28 | 2024-03-26 | 佛山市科皓燃烧设备制造有限公司 | Flameless burner control system, flameless low NOx burner and control method thereof |
| CN109708137A (en) * | 2019-01-29 | 2019-05-03 | 北京云水浩瑞环境科技有限公司 | Utilize the system and method for pyrolysis gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140709 Termination date: 20141220 |
|
| EXPY | Termination of patent right or utility model |