CN206514279U - A kind of fully-automatic biomass gas boiler combustion control system - Google Patents
A kind of fully-automatic biomass gas boiler combustion control system Download PDFInfo
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- CN206514279U CN206514279U CN201720179609.9U CN201720179609U CN206514279U CN 206514279 U CN206514279 U CN 206514279U CN 201720179609 U CN201720179609 U CN 201720179609U CN 206514279 U CN206514279 U CN 206514279U
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Abstract
A kind of fully-automatic biomass gas boiler combustion control system, steam boiler including being provided with exhanst gas outlet and high-temp combustion machine, air blower is provided with the high-temp combustion machine, pressure sensor is provided with the venthole of the steam boiler, the output end of the pressure sensor is connected with pressure regulation instrument, the output end of the pressure regulation instrument is connected with frequency converter one, and the high-temp combustion machine is communicated with high temperature draught fan, and the output end of the frequency converter one connects the asynchronous machine one of high temperature draught fan；Oxygen detection instrument is provided with the exhanst gas outlet, the output end of the oxygen detection instrument is connected with frequency converter two, and the output end of the frequency converter two connects the asynchronous machine two of the air blower.The utility model realizes automatically controlling for boiler combustion machine biomass gas air inflow and ventilation, reduces hand labor intensity, improves production efficiency and control accuracy, and biomass gas boiler combustion high efficiency and stability.
Description
Technical field
The utility model is related to biomass gas combustor technical field, and in particular to a kind of fully-automatic biomass gas pot
Stove combustion control system.
Background technology
The fuel gas air demand and air quantity of traditional biomass gas combustor will be changed by manually controlling and be entered biomass
The gaseous fuel quantity and intake of gas burning machine, can only be by manually controlling the motor speed of air-introduced machine and the air door of air blower
Size, labor intensity is big, and performance accuracy is low, it is necessary to operate the requirement that can be only achieved steam production and oxygen content of smoke gas repeatedly.
The content of the invention
The purpose of this utility model is that boiler combustion machine fuel gas air inflow and ventilation can be automatically adjusted by providing one kind
Amount, reduces hand labor intensity, improves the fully-automatic biomass gas boiler Combustion System of production efficiency and control accuracy
System, to solve technical problem present in above-mentioned background technology.
To achieve the above object, the utility model provides following technical scheme：
A kind of fully-automatic biomass gas boiler combustion control system, including it is provided with exhanst gas outlet and high-temp combustion machine
It is provided with steam boiler, the high-temp combustion machine at air blower, the venthole of the steam boiler and is provided with pressure sensor,
The output end of the pressure sensor is connected with pressure regulation instrument, and the output end of the pressure regulation instrument is connected with frequency converter one,
The high-temp combustion machine is communicated with high temperature draught fan, and the output end of the frequency converter one connects the asynchronous machine of high temperature draught fan
One；Oxygen detection instrument is provided with the exhanst gas outlet, the output end of the oxygen detection instrument is connected with frequency converter two, described to become
The output end of frequency device two connects the asynchronous machine two of the air blower.
Further, pressure signal is sent to pressure regulation instrument by the pressure sensor, and pressure regulation instrument believes pressure
Number being converted into 0-20ma linear currents exports to frequency converter one, and frequency converter one is used as frequency according to 0-20ma pressure to current signals
It is given, automatically generate corresponding supply frequency supply asynchronous machine one.
Further, oxygen content signal is converted into 0-20ma linear currents and exported to frequency conversion by the oxygen detection instrument
Device two, frequency converter two is given as frequency according to 0-20ma current signals, automatically generates corresponding supply frequency supply asynchronous
Motor two.
Further, the pressure regulation instrument is XMY-22 reverse linear pressure on the number display control instrument.
Further, the oxygen detection instrument is IDG100-2 type oxygen detection instrument.
The beneficial effects of the utility model are：The control mode of traditional biomass gas burning machine is overcome, can be automatic
Biomass gas fuel-feed amount and intake are controlled, hand labor intensity is reduced, improves production efficiency and control accuracy,
Improve the high efficiency and stability of biomass gas pot furnace gas burning.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In required for the accompanying drawing that uses be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of principle of fully-automatic biomass gas boiler combustion control system described in the utility model embodiment
Block diagram.
Fig. 2 is a kind of structure of fully-automatic biomass gas boiler combustion control system described in the utility model embodiment
Schematic diagram.
Wherein：1- steam boilers；101- exhanst gas outlets；102- high-temp combustion machines；2- pressure sensors；3- pressure is adjusted
Instrument；4- frequency converters one；5- high temperature draught fans；501- asynchronous machines one；6- oxygen detection instrument；7- frequency converters two；8- air blowers；
801- asynchronous machines two.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art are obtained all belongs to
The scope protected in the utility model.
A kind of fully-automatic biomass gas boiler combustion control system, including it is provided with exhanst gas outlet 101 and high-temp combustion
It is provided with air blower 8, the venthole of the steam boiler 1 and sets on the steam boiler 1 of machine 102, the high-temp combustion machine 102
There is pressure sensor 2, the output end of the pressure sensor 2 is connected with pressure regulation instrument 3, the output of the pressure regulation instrument 3
End is connected with frequency converter 1, and the high-temp combustion machine 102 is communicated with high temperature draught fan 5, and the output end of the frequency converter 1 connects
Connect the asynchronous machine 1 of high temperature draught fan 5；Oxygen detection instrument 6, the oxygen detection are provided with the exhanst gas outlet 101
The output end of instrument 6 is connected with frequency converter 27, and the output end of the frequency converter 27 connects the asynchronous machine two of the air blower 8
801。
Wherein, pressure signal is sent to pressure regulation instrument 3 by the pressure sensor 2, and pressure regulation instrument 3 is pressure signal
It is converted into 0-20ma linear currents to export to frequency converter 1, frequency converter 1 is used as frequency according to 0-20ma pressure to current signals
It is given, automatically generate corresponding supply frequency supply asynchronous machine 1.
Oxygen content signal is converted into 0-20ma linear currents and exported to frequency converter 27 by the oxygen detection instrument 6, is become
Frequency device 27 is given as frequency according to 0-20ma current signals, automatically generates corresponding supply frequency supply asynchronous machine two
801。
The pressure regulation instrument 3 is XMY-22 reverse linear pressure on the number display control instrument.
The oxygen detection instrument 6 is IDG100-2 type oxygen detection instrument.
Above-mentioned technical proposal of the present utility model is understood for convenience, below by way of new to this practicality in specifically used mode
The above-mentioned technical proposal of type is described in detail.
As shown in Figure 1 to Figure 2, a kind of fully-automatic biomass gas boiler Combustion System described in the utility model embodiment
The operation principle of system is：Pressure signal is sent to pressure regulation instrument 3 by the venthole pressure sensor 2 of steam boiler 1, and pressure is adjusted
Pressure signal is converted into 0-20ma linear currents and exported to frequency converter 1 by section instrument 3, and frequency converter 1 is according to 0-20ma pressure
Current signal is given as frequency, automatically generates the asynchronous machine 1 that corresponding supply frequency supplies high temperature draught fan 5,
Further the rotating speed of regulation asynchronous machine 1 is so as to adjust biological fuel gas inlet amount；Oxygen detection instrument 6 believes oxygen content
0-20ma linear currents output frequency converter 27 number is converted into, frequency converter 27 is used as frequency according to 0-20ma pressure to current signals
It is given, the asynchronous machine 2 801 that corresponding supply frequency supplies air blower 8 is automatically generated, further giving for air blower 8 is adjusted
Air quantity.
When the venthole pressure of steam boiler 1 is high, pressure signal is transferred to pressure regulation instrument 3, pressure by pressure sensor 2
The regulation output current of adjusting apparatus 3 is reduced, and the output frequency of frequency converter 1 is low, the rotating speed of asynchronous machine 1 drop of high temperature draught fan 5
Low, the biomass gas fuel quantity of the supply burner hearth of high temperature draught fan 5 is reduced, and hearth combustion amount is reduced, the reduction of venthole pressure, production
Vapour amount is also synchronously reduced；When venthole pressure is low, pressure signal is transferred to pressure regulation instrument 3, pressure regulation by pressure sensor 2
The regulation output current rise of instrument 3, the rise of the output frequency of frequency converter 1, the rotating speed of asynchronous machine 1 rise of high temperature draught fan 5,
The biomass gas fuel quantity increase of the supply burner hearth of high temperature draught fan 5, the increase of hearth combustion amount, pressure and steam production also increase.
When venthole pressure is higher than setting value, the no current of pressure regulation instrument 3 output, high temperature draught fan 5 is automatically stopped air inlet work.
When oxygen content is high in exhanst gas outlet 101, the output current of oxygen detection instrument 6 is reduced, the output frequency of frequency converter 27
Low, the rotating speed of asynchronous machine 2 801 of air blower 8 is low, and the air quantity into burner hearth is reduced, and hearth combustion amount is reduced automatically；Flue gas goes out
When 101 oxygen contents of mouth are low, the output current of oxygen detection instrument 6 increase, the output frequency of frequency converter 27 is high, the asynchronous machine of air blower 8
2 801 rotating speeds are high, and into the air quantity increase of burner hearth, hearth combustion amount increases automatically.
As shown in Fig. 2 high temperature draught fan 5 to biomass gas high-temp combustion machine supply biogas fluid fuel, air blower 8 to
Burner hearth is blown, and when venthole pressure is 1.0Mpa, XMY-22 type pressure on the number display control instrument reverse linear control electric currents are defeated
Go out, it is 4mA now to export to the electric current of frequency converter 1, and 10% mark is corresponded to during one 4 simulation volume input current 4mA of frequency converter
Rate-adaptive pacemaker, i.e. 20Hz are spent, the rotating speed of asynchronous machine 1 of high temperature draught fan 5 is 850r/min, the air inflow of high temperature draught fan 5
For 180m3/h, oxygen content is 3.5% in flue gas, and the rotating speed of asynchronous machine 2 801 of air blower 8 is 650r/min, the wind of air blower 8
Measure as 2500m3/h, boiler duty is 2T/H；When venthole pressure is 0.1Mpa, the electricity to frequency converter 1 is now exported
Flow for 20mA, the scale frequency that 100% is corresponded to during one 4 simulation volume input current 20mA of frequency converter is exported, i.e. 20Hz is asynchronous
The rotating speed of motor 1 is 1450r/min, and the air inflow of high temperature draught fan 5 is 1200m3/h, and oxygen content is 0.5%, air blast in flue gas
The air quantity of machine 8 is 25800m3/h, and boiler duty is 10T/H.
Embodiment described above is only preferred embodiment of the present utility model, not to limit the utility model,
It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc. should be included in this reality
Within new protection domain.
Claims (5)
1. a kind of fully-automatic biomass gas boiler combustion control system, including it is provided with exhanst gas outlet（101）And high-temp combustion
Machine（102）Steam boiler（1）, the high-temp combustion machine（102）On be provided with air blower（8）, it is characterised in that：The steam
Boiler（1）Venthole at be provided with pressure sensor（2）, the pressure sensor（2）Output end be connected with pressure regulation
Instrument（3）, the pressure regulation instrument（3）Output end be connected with frequency converter one（4）, the high-temp combustion machine（102）It is communicated with height
Warm air-introduced machine（5）, the frequency converter one（4）Output end connection high temperature draught fan（5）Asynchronous machine one（501）；The cigarette
Gas is exported（101）On be provided with oxygen detection instrument（6）, the oxygen detection instrument（6）Output end be connected with frequency converter two（7）,
The frequency converter two（7）Output end connect the air blower（8）Asynchronous machine two（801）.
2. a kind of fully-automatic biomass gas boiler combustion control system according to claim 1, it is characterised in that：It is described
Pressure sensor（2）Pressure signal is sent to pressure regulation instrument（3）, pressure regulation instrument（3）Pressure signal is converted into 0-
20ma linear currents are exported to frequency converter one（4）, frequency converter one（4）It is given as frequency according to 0-20ma pressure to currents signal,
Automatically generate corresponding supply frequency supply asynchronous machine one（501）.
3. a kind of fully-automatic biomass gas boiler combustion control system according to claim 1, it is characterised in that：It is described
Oxygen detection instrument（6）Oxygen content signal is converted into 0-20ma linear currents to export to frequency converter two（7）, frequency converter two（7）
It is given as frequency according to 0-20ma current signals, automatically generate corresponding supply frequency supply asynchronous machine two（801）.
4. a kind of fully-automatic biomass gas boiler combustion control system according to claim 1 or 2, it is characterised in that：
The pressure regulation instrument（3）For XMY-22 reverse linear pressure on the number display control instrument.
5. a kind of fully-automatic biomass gas boiler combustion control system according to claim 1 or 3, it is characterised in that：
The oxygen detection instrument（6）For IDG100-2 type oxygen detection instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720179609.9U CN206514279U (en) | 2017-02-27 | 2017-02-27 | A kind of fully-automatic biomass gas boiler combustion control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720179609.9U CN206514279U (en) | 2017-02-27 | 2017-02-27 | A kind of fully-automatic biomass gas boiler combustion control system |
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| CN206514279U true CN206514279U (en) | 2017-09-22 |
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| CN201720179609.9U Active CN206514279U (en) | 2017-02-27 | 2017-02-27 | A kind of fully-automatic biomass gas boiler combustion control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398281A (en) * | 2018-03-12 | 2018-08-14 | 中国农业大学 | A kind of on-line performance for domestic stove tests system |
| CN110131740A (en) * | 2019-05-30 | 2019-08-16 | 广州市帝东环保科技有限公司 | A kind of environment-friendly boiler of firing biomass fuel |
-
2017
- 2017-02-27 CN CN201720179609.9U patent/CN206514279U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398281A (en) * | 2018-03-12 | 2018-08-14 | 中国农业大学 | A kind of on-line performance for domestic stove tests system |
| CN108398281B (en) * | 2018-03-12 | 2019-08-30 | 中国农业大学 | A kind of on-line performance test macro for domestic stove |
| CN110131740A (en) * | 2019-05-30 | 2019-08-16 | 广州市帝东环保科技有限公司 | A kind of environment-friendly boiler of firing biomass fuel |
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