CN106287811B - The method that two generating set plasma ignition systems share a set of electrical source of power - Google Patents
The method that two generating set plasma ignition systems share a set of electrical source of power Download PDFInfo
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- CN106287811B CN106287811B CN201610788898.2A CN201610788898A CN106287811B CN 106287811 B CN106287811 B CN 106287811B CN 201610788898 A CN201610788898 A CN 201610788898A CN 106287811 B CN106287811 B CN 106287811B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q5/00—Make-and-break ignition, i.e. with spark generated between electrodes by breaking contact therebetween
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses the methods that two generating set plasma ignition systems of one kind share a set of electrical source of power, and specific as follows: ignition layer of the plasma ignition system of #1 unit is known as A layers of this furnace, and ignition layer of the plasma ignition system of #2 unit is known as facing D layers of furnace；Each ignition layer shares 5 igniters, and by a S7200, PLC controller is controlled each igniter on the spot；Electrical source of power and plasma rectifier cabinet are public, each S7200 on the spot PLC controller in addition to the control for completing this furnace A layers of corresponding burner, it is necessary to can switch to neighbour and face D layers of corresponding burner of furnace and control；When PLC controller is then communicated with #1 unit plasma control system S7200 under A layers of control model of this furnace on the spot；When PLC controller is then communicated by another network interface card and #2 unit plasma control system S7200 in the case where facing D layers of control model of furnace on the spot；The present invention is at low cost, and using effect is good.
Description
Technical field
The present invention relates to generating set plasma ignition system field more particularly to two generating set plasma ignitions
The method that system shares a set of electrical source of power.
Background technique
Hong Shan steam power plant first stage of the project, which has been built up 2 × 600MW Domestic Supercritical and taken out, coagulates thermal power plant unit, and 2 months 2011 two
Platform furnace passes through 168 test runs.The engineering is in order to achieve the purpose that the saving fuel oil between unit regulation and later production period, at 1, No. 2
The plasma igniting equipment produced by Yantai Long Yuan company has been installed on boiler.Specific mode is by controller of coal mill of boiler institute band
5 coal burner center fire oil guns remove, install 5 Yantai Long Yuan production plasma igniting coal burner and
Attached corollary equipment, improved plasma ignition burner has the function of lighting a fire at boiler startup initial stage, and has original
The repertoire of coal burner does not influence the safety and power output of boiler.For cost saving, which is handed over using two furnaces
Fork shares the scheme of adjacent furnace electrical source of power and rectifier cabinet, how to share adjacent furnace electrical source of power using two furnaces intersections and rectifier cabinet is
One technical problem.
Patent No. 201210210842.0, it is entitled it is a kind of periodically exchange driving low-temperature plasma ignition method and
Device, method includes the following steps: igniter be mounted on the appropriate location of combustion chamber, high-field electrode and low-field electrode with it is low
The high-voltage end of isothermal plasma power supply is connected with low-pressure end, and frequency controller is connect with low-temperature plasma electrical source；Trigger low temperature
Plasma electrical source and frequency controller switch, adjust power supply output parameter；Adjust frequency controller control discharge frequency and
The discharge time in each period；Frequency controller gives low-temperature plasma electrical source trigger signal, and corona discharge, igniter is by certain
Frequency discharge igniting.The method is simple one-to-one control method, not can solve two sets of igniters and meanwhile control
Problem.
Summary of the invention
Two generating set plasmas are provided it is an object of the invention to overcome the deficiencies in the prior art described above place
The method that ignition system shares a set of electrical source of power.
The present invention realizes in the following way:
A kind of method that two generating set plasma ignition systems share a set of electrical source of power, it is characterised in that: specific
Method is as follows:
A, by A layers of this furnace and face furnace D layers of electrical source of power and be all linked into power supply switching cabinet, cabinet is switched by power supply and determines to supply
Electric object, when in power supply switching cabinet A layer of this furnace close the switch when, power to this furnace A layers of plasma generator；When power supply switches
When facing D layers of furnace in cabinet and closing the switch, to facing D layers of plasma generators power supply of furnace；There is electric blocking in power supply switching cabinet, when one
A when closing the switch, another switch can not close a floodgate；
B, earth signal is linked into the plasma rectifier cabinet for facing D layers of furnace in D layers of plasma system of furnace will be faced, and passed through
Power supply switching cabinet closing relay is selected；
C, using power supply switching cabinet switch closure signals as alternative condition, when power supply switching cabinet in A layers of this furnace close the switch when,
The feedback signal that A layers of in-site collecting of this furnace can be arrived in plasma rectifier cabinet is sent to S7200 in cabinet PLC controller on the spot,
And PLC controller is transferred in the S7-400 main website of #1 unit on the spot by S7200；It is closed when facing D layers of switch of furnace in power supply switching cabinet
, can be the feedback signal facing D layer in-site collecting of furnace and arriving in plasma rectifier cabinet when conjunction, the S7200 PLC control on the spot being sent in cabinet
Device processed, and PLC controller is transferred in the S7-400 main website of #2 unit on the spot by S7200；
D, after the S7-400 main website of #1 unit receives " A layers of switch of this furnace have closed a floodgate " signal, the S7-400 of #1 unit
Will to the S7200 in #1 unit plasma rectifier cabinet on the spot PLC controller carry out data receiver, acquire A layers of plasma of this furnace
D layers of plasma feedback signal of furnace are faced in system feedback signal, shielding；
E, after the S7-400 main website of #2 unit receives " facing D layers of switch of furnace to have closed a floodgate " signal, the S7-400 of #2 unit
Will to the S7200 in #2 unit plasma rectifier cabinet on the spot PLC controller carry out data receiver, acquisition face D layers of plasma of furnace
System feedback signal shields A layers of plasma feedback signal of this furnace；
F, after the S7-400 main website of #1 unit receives " A layers of switch of this furnace have closed a floodgate " signal, only to A layers of this furnace etc.
The control instruction that ion system is sent can issue, and will be prevented to the control instruction for facing D layers of plasma system of furnace；
G, after the S7-400 main website of #2 unit receives " facing D layers of switch of furnace to have closed a floodgate " signal, only to facing D layers of furnace etc.
The control instruction that ion system is sent can issue, and will be prevented to the control instruction of A layers of plasma system of this furnace.
The invention has the advantages that: intersect the scheme for sharing adjacent furnace electrical source of power and rectifier cabinet, i.e. this furnace A using two units
Layer and face D layer common power power supply of furnace and rectifier cabinet, increase two sets power supplys newly and switch cabinets, for A layers of this furnace with face D layers of furnace and move
It is switched between power power supply, this furnace and adjacent furnace respectively have a set of electrical source of power, can be used as the normal of A layers of plasma load of this furnace
Working power, and can be by switching backup power source of the cabinet as D layers of plasma load, the power supply switching controls mostly sets that cover are born more
It carries, can effectively improve the reliability and safety of equipment, save the cost is practical.
Detailed description of the invention
Fig. 1 schematic structural view of the invention.
Specific embodiment
Now in conjunction with attached drawing, the specific embodiment of the invention is described in detail:
As shown in Figure 1, the condition that early period should have is as follows: ignition layer of the plasma ignition system of #1 unit is known as this furnace
A layers, ignition layer of the plasma ignition system of #2 unit is known as facing D layers of furnace；According to project, " two furnace power supplys are public, control phase
Principle mutually independently ", each ignition layer share 5 igniters, and by a S7200, PLC controller carries out each igniter on the spot
Control；Electrical source of power and plasma rectifier cabinet are public in this method, so PLC controller removes completion this furnace A to each S7200 on the spot
Outside the control of the corresponding burner of layer, it is necessary to can switch to neighbour and face D layers of corresponding burner of furnace and control；When S7200 just
Ground PLC controller is then communicated with #1 unit plasma control system under A layers of control model of this furnace；When S7200 on the spot
PLC controller is then communicated by another network interface card and #2 unit plasma control system in the case where facing D layers of control model of furnace；
To ensure that two unit allocations are independent mutually, it is necessary to carry out sufficient technology insulation measure；In order to avoid when a unit plasma is thrown
When fortune, because of the operation of adjacent furnace, exiting or tripping for this furnace plasma is caused；
Specific control method is as follows:
A, by A layers of this furnace and face furnace D layers of electrical source of power and be all linked into power supply switching cabinet, cabinet is switched by power supply and determines to supply
Electric object, when in power supply switching cabinet A layer of this furnace close the switch when, power to this furnace A layers of plasma generator；When power supply switches
When facing D layers of furnace in cabinet and closing the switch, to facing D layers of plasma generators power supply of furnace；There is electric blocking in power supply switching cabinet, when one
A when closing the switch, another switch can not close a floodgate；
B, earth signal is linked into the plasma rectifier cabinet for facing D layers of furnace in D layers of plasma system of furnace will be faced, and passed through
Power supply switching cabinet closing relay is selected；
C, using power supply switching cabinet switch closure signals as alternative condition, when power supply switching cabinet in A layers of this furnace close the switch when,
The feedback signal that A layers of in-site collecting of this furnace can be arrived in plasma rectifier cabinet is sent to S7200 in cabinet PLC controller on the spot,
And PLC controller is transferred in the S7-400 main website of #1 unit on the spot by S7200；It is closed when facing D layers of switch of furnace in power supply switching cabinet
, can be the feedback signal facing D layer in-site collecting of furnace and arriving in plasma rectifier cabinet when conjunction, the S7200 PLC control on the spot being sent in cabinet
Device processed, and PLC controller is transferred in the S7-400 main website of #2 unit on the spot by S7200；
D, after the S7-400 main website of #1 unit receives " A layers of switch of this furnace have closed a floodgate " signal, the S7-400 of #1 unit
Will to the S7200 in #1 unit plasma rectifier cabinet on the spot PLC controller carry out data receiver, acquire A layers of plasma of this furnace
D layers of plasma feedback signal of furnace are faced in system feedback signal, shielding；
E, after the S7-400 main website of #2 unit receives " facing D layers of switch of furnace to have closed a floodgate " signal, the S7-400 of #2 unit
Will to the S7200 in #2 unit plasma rectifier cabinet on the spot PLC controller carry out data receiver, acquisition face D layers of plasma of furnace
System feedback signal shields A layers of plasma feedback signal of this furnace；
F, after the S7-400 main website of #1 unit receives " A layers of switch of this furnace have closed a floodgate " signal, only to A layers of this furnace etc.
The control instruction that ion system is sent can issue, and will be prevented to the control instruction for facing D layers of plasma system of furnace；
G, after the S7-400 main website of #2 unit receives " facing D layers of switch of furnace to have closed a floodgate " signal, only to facing D layers of furnace etc.
The control instruction that ion system is sent can issue, and will be prevented to the control instruction of A layers of plasma system of this furnace；
H, increase in the touch screen and DCS monitored picture of A layers of plasma of this furnace and face D layers of plasma control picture of furnace
To realize the monitoring to D layers of plasma of furnace is faced；
I, increase power supply in two unit touch screens and DCS monitored picture and switch cabinet monitored picture, to realize this furnace A
Layer and the long-range handoff functionality for facing D layers of plasma of furnace.
Claims (1)
1. the method that two generating set plasma ignition systems share a set of electrical source of power, it is characterised in that: specific method is such as
Under:
A, by A layers of this furnace and face D layers of electrical source of power of furnace be all linked into power supply switching cabinet in, by power supply switch cabinet come determine power supply pair
As, when in power supply switching cabinet A layer of this furnace close the switch when, power to this furnace A layers of plasma generator；When in power supply switching cabinet
When facing D layers of furnace and closing the switch, to facing D layers of plasma generators power supply of furnace；There is electric blocking in power supply switching cabinet, is opened when one
When closing conjunction, another switch can not close a floodgate；
B, earth signal is linked into the plasma rectifier cabinet for facing D layers of furnace in D layers of plasma system of furnace will be faced, and passes through power supply
Switching cabinet closing relay is selected；
C, using power supply switching cabinet switch closure signals as alternative condition, when power supply switching cabinet in A layers of this furnace close the switch when, wait from
The feedback signal that A layers of in-site collecting of this furnace can be arrived in sub- rectifier cabinet, is sent to S7200 in cabinet PLC controller on the spot, and by
PLC controller is transferred in the S7-400 main website of #1 unit S7200 on the spot；When facing D layers of furnace in power supply switching cabinet and closing the switch,
The feedback signal facing D layers of in-site collecting of furnace and arriving can be sent to S7200 in cabinet PLC controller on the spot in plasma rectifier cabinet,
And PLC controller is transferred in the S7-400 main website of #2 unit on the spot by S7200；
D, after the S7-400 main website of #1 unit receives " A layers of switch of this furnace have closed a floodgate " signal, the S7-400 of #1 unit will
To the S7200 in #1 unit plasma rectifier cabinet, PLC controller carries out data receiver on the spot, acquires A layers of plasma system of this furnace
D layers of plasma feedback signal of furnace are faced in feedback signal, shielding；
E, after the S7-400 main website of #2 unit receives " facing D layers of switch of furnace to have closed a floodgate " signal, the S7-400 of #2 unit will
To the S7200 in #2 unit plasma rectifier cabinet, PLC controller carries out data receiver on the spot, and D layers of plasma system of furnace are faced in acquisition
Feedback signal shields A layers of plasma feedback signal of this furnace；
F, after the S7-400 main website of #1 unit receives " A layers of switch of this furnace have closed a floodgate " signal, only to A layers of plasma of this furnace
The control instruction that system is sent can issue, and will be prevented to the control instruction for facing D layers of plasma system of furnace；
G, after the S7-400 main website of #2 unit receives " facing D layers of switch of furnace to have closed a floodgate " signal, only to facing D layers of plasma of furnace
The control instruction that system is sent can issue, and will be prevented to the control instruction of A layers of plasma system of this furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788898.2A CN106287811B (en) | 2016-08-31 | 2016-08-31 | The method that two generating set plasma ignition systems share a set of electrical source of power |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610788898.2A CN106287811B (en) | 2016-08-31 | 2016-08-31 | The method that two generating set plasma ignition systems share a set of electrical source of power |
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| CN106287811B true CN106287811B (en) | 2019-08-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1107635A (en) * | 1994-02-23 | 1995-08-30 | 武汉离子化学热处理研究所 | Special power supply for plasma producer |
| RU2210700C2 (en) * | 2001-07-13 | 2003-08-20 | Институт теплофизики СО РАН | Method of plasma ignition of pulverized coal fuel |
| CN201521986U (en) * | 2009-10-10 | 2010-07-07 | 重庆汇滨科技发展有限公司 | Plasma suspension pulverized coal ignition circulating stable combustion device |
| GB2477391A (en) * | 2010-01-29 | 2011-08-03 | Gen Electric | System and method for controlling combustion |
| CN205425013U (en) * | 2016-03-14 | 2016-08-03 | 烟台龙源电力技术股份有限公司 | Plasma generator's ignition control system |
-
2016
- 2016-08-31 CN CN201610788898.2A patent/CN106287811B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1107635A (en) * | 1994-02-23 | 1995-08-30 | 武汉离子化学热处理研究所 | Special power supply for plasma producer |
| RU2210700C2 (en) * | 2001-07-13 | 2003-08-20 | Институт теплофизики СО РАН | Method of plasma ignition of pulverized coal fuel |
| CN201521986U (en) * | 2009-10-10 | 2010-07-07 | 重庆汇滨科技发展有限公司 | Plasma suspension pulverized coal ignition circulating stable combustion device |
| GB2477391A (en) * | 2010-01-29 | 2011-08-03 | Gen Electric | System and method for controlling combustion |
| CN205425013U (en) * | 2016-03-14 | 2016-08-03 | 烟台龙源电力技术股份有限公司 | Plasma generator's ignition control system |
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| CN106287811A (en) | 2017-01-04 |
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